From 87798e5554eb0330cd2de255e5034f0472d410a4 Mon Sep 17 00:00:00 2001
From: polo
Date: Tue, 20 Apr 2021 21:46:33 +0200
Subject: mot de passe
---
lib/HtmlFormatter.php | 126 ++
lib/ckeditor5/LICENSE.md | 49 +
lib/ckeditor5/README.md | 68 +
lib/ckeditor5/build/ckeditor.js | 6 +
lib/ckeditor5/build/ckeditor.js.map | 1 +
lib/ckeditor5/build/translations/af.js | 1 +
lib/ckeditor5/build/translations/ar.js | 1 +
lib/ckeditor5/build/translations/ast.js | 1 +
lib/ckeditor5/build/translations/az.js | 1 +
lib/ckeditor5/build/translations/bg.js | 1 +
lib/ckeditor5/build/translations/ca.js | 1 +
lib/ckeditor5/build/translations/cs.js | 1 +
lib/ckeditor5/build/translations/da.js | 1 +
lib/ckeditor5/build/translations/de-ch.js | 1 +
lib/ckeditor5/build/translations/de.js | 1 +
lib/ckeditor5/build/translations/el.js | 1 +
lib/ckeditor5/build/translations/en-au.js | 1 +
lib/ckeditor5/build/translations/en-gb.js | 1 +
lib/ckeditor5/build/translations/en.js | 1 +
lib/ckeditor5/build/translations/eo.js | 1 +
lib/ckeditor5/build/translations/es.js | 1 +
lib/ckeditor5/build/translations/et.js | 1 +
lib/ckeditor5/build/translations/eu.js | 1 +
lib/ckeditor5/build/translations/fa.js | 1 +
lib/ckeditor5/build/translations/fi.js | 1 +
lib/ckeditor5/build/translations/gl.js | 1 +
lib/ckeditor5/build/translations/gu.js | 1 +
lib/ckeditor5/build/translations/he.js | 1 +
lib/ckeditor5/build/translations/hi.js | 1 +
lib/ckeditor5/build/translations/hr.js | 1 +
lib/ckeditor5/build/translations/hu.js | 1 +
lib/ckeditor5/build/translations/id.js | 1 +
lib/ckeditor5/build/translations/it.js | 1 +
lib/ckeditor5/build/translations/ja.js | 1 +
lib/ckeditor5/build/translations/kk.js | 1 +
lib/ckeditor5/build/translations/km.js | 1 +
lib/ckeditor5/build/translations/kn.js | 1 +
lib/ckeditor5/build/translations/ko.js | 1 +
lib/ckeditor5/build/translations/ku.js | 1 +
lib/ckeditor5/build/translations/lt.js | 1 +
lib/ckeditor5/build/translations/lv.js | 1 +
lib/ckeditor5/build/translations/nb.js | 1 +
lib/ckeditor5/build/translations/ne.js | 1 +
lib/ckeditor5/build/translations/nl.js | 1 +
lib/ckeditor5/build/translations/no.js | 1 +
lib/ckeditor5/build/translations/oc.js | 1 +
lib/ckeditor5/build/translations/pl.js | 1 +
lib/ckeditor5/build/translations/pt-br.js | 1 +
lib/ckeditor5/build/translations/pt.js | 1 +
lib/ckeditor5/build/translations/ro.js | 1 +
lib/ckeditor5/build/translations/ru.js | 1 +
lib/ckeditor5/build/translations/si.js | 1 +
lib/ckeditor5/build/translations/sk.js | 1 +
lib/ckeditor5/build/translations/sl.js | 1 +
lib/ckeditor5/build/translations/sq.js | 1 +
lib/ckeditor5/build/translations/sr-latn.js | 1 +
lib/ckeditor5/build/translations/sr.js | 1 +
lib/ckeditor5/build/translations/sv.js | 1 +
lib/ckeditor5/build/translations/th.js | 1 +
lib/ckeditor5/build/translations/tk.js | 1 +
lib/ckeditor5/build/translations/tr.js | 1 +
lib/ckeditor5/build/translations/tt.js | 1 +
lib/ckeditor5/build/translations/ug.js | 1 +
lib/ckeditor5/build/translations/uk.js | 1 +
lib/ckeditor5/build/translations/vi.js | 1 +
lib/ckeditor5/build/translations/zh-cn.js | 1 +
lib/ckeditor5/build/translations/zh.js | 1 +
lib/ckeditor5/package.json | 44 +
lib/ckeditor5/sample/index.html | 164 ++
lib/ckeditor5/sample/styles.css | 465 ++++++
lib/ckeditor5/src/ckeditor.js | 79 +
lib/ckeditor5/webpack.config.js | 96 ++
lib/htmlawed/htmLawed.php | 729 +++++++++
lib/htmlawed/htmLawedTest.php | 677 ++++++++
lib/htmlawed/htmLawed_README.htm | 2289 +++++++++++++++++++++++++++
lib/htmlawed/htmLawed_README.txt | 1817 +++++++++++++++++++++
lib/htmlawed/htmLawed_TESTCASE.txt | 455 ++++++
77 files changed, 7127 insertions(+)
create mode 100644 lib/HtmlFormatter.php
create mode 100644 lib/ckeditor5/LICENSE.md
create mode 100644 lib/ckeditor5/README.md
create mode 100644 lib/ckeditor5/build/ckeditor.js
create mode 100644 lib/ckeditor5/build/ckeditor.js.map
create mode 100644 lib/ckeditor5/build/translations/af.js
create mode 100644 lib/ckeditor5/build/translations/ar.js
create mode 100644 lib/ckeditor5/build/translations/ast.js
create mode 100644 lib/ckeditor5/build/translations/az.js
create mode 100644 lib/ckeditor5/build/translations/bg.js
create mode 100644 lib/ckeditor5/build/translations/ca.js
create mode 100644 lib/ckeditor5/build/translations/cs.js
create mode 100644 lib/ckeditor5/build/translations/da.js
create mode 100644 lib/ckeditor5/build/translations/de-ch.js
create mode 100644 lib/ckeditor5/build/translations/de.js
create mode 100644 lib/ckeditor5/build/translations/el.js
create mode 100644 lib/ckeditor5/build/translations/en-au.js
create mode 100644 lib/ckeditor5/build/translations/en-gb.js
create mode 100644 lib/ckeditor5/build/translations/en.js
create mode 100644 lib/ckeditor5/build/translations/eo.js
create mode 100644 lib/ckeditor5/build/translations/es.js
create mode 100644 lib/ckeditor5/build/translations/et.js
create mode 100644 lib/ckeditor5/build/translations/eu.js
create mode 100644 lib/ckeditor5/build/translations/fa.js
create mode 100644 lib/ckeditor5/build/translations/fi.js
create mode 100644 lib/ckeditor5/build/translations/gl.js
create mode 100644 lib/ckeditor5/build/translations/gu.js
create mode 100644 lib/ckeditor5/build/translations/he.js
create mode 100644 lib/ckeditor5/build/translations/hi.js
create mode 100644 lib/ckeditor5/build/translations/hr.js
create mode 100644 lib/ckeditor5/build/translations/hu.js
create mode 100644 lib/ckeditor5/build/translations/id.js
create mode 100644 lib/ckeditor5/build/translations/it.js
create mode 100644 lib/ckeditor5/build/translations/ja.js
create mode 100644 lib/ckeditor5/build/translations/kk.js
create mode 100644 lib/ckeditor5/build/translations/km.js
create mode 100644 lib/ckeditor5/build/translations/kn.js
create mode 100644 lib/ckeditor5/build/translations/ko.js
create mode 100644 lib/ckeditor5/build/translations/ku.js
create mode 100644 lib/ckeditor5/build/translations/lt.js
create mode 100644 lib/ckeditor5/build/translations/lv.js
create mode 100644 lib/ckeditor5/build/translations/nb.js
create mode 100644 lib/ckeditor5/build/translations/ne.js
create mode 100644 lib/ckeditor5/build/translations/nl.js
create mode 100644 lib/ckeditor5/build/translations/no.js
create mode 100644 lib/ckeditor5/build/translations/oc.js
create mode 100644 lib/ckeditor5/build/translations/pl.js
create mode 100644 lib/ckeditor5/build/translations/pt-br.js
create mode 100644 lib/ckeditor5/build/translations/pt.js
create mode 100644 lib/ckeditor5/build/translations/ro.js
create mode 100644 lib/ckeditor5/build/translations/ru.js
create mode 100644 lib/ckeditor5/build/translations/si.js
create mode 100644 lib/ckeditor5/build/translations/sk.js
create mode 100644 lib/ckeditor5/build/translations/sl.js
create mode 100644 lib/ckeditor5/build/translations/sq.js
create mode 100644 lib/ckeditor5/build/translations/sr-latn.js
create mode 100644 lib/ckeditor5/build/translations/sr.js
create mode 100644 lib/ckeditor5/build/translations/sv.js
create mode 100644 lib/ckeditor5/build/translations/th.js
create mode 100644 lib/ckeditor5/build/translations/tk.js
create mode 100644 lib/ckeditor5/build/translations/tr.js
create mode 100644 lib/ckeditor5/build/translations/tt.js
create mode 100644 lib/ckeditor5/build/translations/ug.js
create mode 100644 lib/ckeditor5/build/translations/uk.js
create mode 100644 lib/ckeditor5/build/translations/vi.js
create mode 100644 lib/ckeditor5/build/translations/zh-cn.js
create mode 100644 lib/ckeditor5/build/translations/zh.js
create mode 100644 lib/ckeditor5/package.json
create mode 100644 lib/ckeditor5/sample/index.html
create mode 100644 lib/ckeditor5/sample/styles.css
create mode 100644 lib/ckeditor5/src/ckeditor.js
create mode 100644 lib/ckeditor5/webpack.config.js
create mode 100755 lib/htmlawed/htmLawed.php
create mode 100755 lib/htmlawed/htmLawedTest.php
create mode 100644 lib/htmlawed/htmLawed_README.htm
create mode 100755 lib/htmlawed/htmLawed_README.txt
create mode 100755 lib/htmlawed/htmLawed_TESTCASE.txt
(limited to 'lib')
diff --git a/lib/HtmlFormatter.php b/lib/HtmlFormatter.php
new file mode 100644
index 0000000..89605ac
--- /dev/null
+++ b/lib/HtmlFormatter.php
@@ -0,0 +1,126 @@
+)/U', $html, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
+ $dom = self::parseDom($elements);
+
+ $indent = 0;
+ $output = array();
+ foreach ($dom as $index => $element)
+ {
+ if ($element['opening'])
+ {
+ $output[] = "\n".str_repeat($indentWith, $indent).trim($element['content']);
+
+ // make sure that only the elements who have not been blacklisted are being indented
+ if ( ! in_array($element['type'], explode(',', $tagsWithoutIndentation)))
+ {
+ ++$indent;
+ }
+ }
+ else if ($element['standalone'])
+ {
+ $output[] = "\n".str_repeat($indentWith, $indent).trim($element['content']);
+ }
+ else if ($element['closing'])
+ {
+ --$indent;
+ $lf = "\n".str_repeat($indentWith, abs($indent));
+ if (isset($dom[$index - 1]) && $dom[$index - 1]['opening'])
+ {
+ $lf = '';
+ }
+ $output[] = $lf.trim($element['content']);
+ }
+ else if ($element['text'])
+ {
+ // $output[] = "\n".str_repeat($indentWith, $indent).trim($element['content']);
+ $output[] = "\n".str_repeat($indentWith, $indent).preg_replace('/ [ \t]*/', ' ', $element['content']);
+ }
+ else if ($element['comment'])
+ {
+ $output[] = "\n".str_repeat($indentWith, $indent).trim($element['content']);
+ }
+ }
+
+ return trim(implode('', $output));
+ }
+
+ /**
+ * Parses an array of HTML tokens and adds basic information about about the type of
+ * tag the token represents.
+ *
+ * @param Array $elements Array of HTML tokens (tags and text tokens).
+ * @return Array HTML elements with extra information.
+ */
+ public static function parseDom(Array $elements)
+ {
+ $dom = array();
+ foreach ($elements as $element)
+ {
+ $isText = false;
+ $isComment = false;
+ $isClosing = false;
+ $isOpening = false;
+ $isStandalone = false;
+
+ $currentElement = trim($element);
+
+ // comment
+ if (strpos($currentElement, '$/', $currentElement))
+ {
+ $isStandalone = true;
+ }
+ // normal opening tag
+ else if (strpos($currentElement, '<') === 0)
+ {
+ $isOpening = true;
+ }
+ // text
+ else
+ {
+ $isText = true;
+ }
+
+ $dom[] = array(
+ 'text' => $isText,
+ 'comment' => $isComment,
+ 'closing' => $isClosing,
+ 'opening' => $isOpening,
+ 'standalone' => $isStandalone,
+ 'content' => $element,
+ 'type' => preg_replace('/^<\/?(\w+)[ >].*$/U', '$1', $element)
+ );
+ }
+ return $dom;
+ }
+}
diff --git a/lib/ckeditor5/LICENSE.md b/lib/ckeditor5/LICENSE.md
new file mode 100644
index 0000000..95eabee
--- /dev/null
+++ b/lib/ckeditor5/LICENSE.md
@@ -0,0 +1,49 @@
+Software License Agreement
+==========================
+
+Copyright (c) 2014-2021, CKSource - Frederico Knabben. All rights reserved.
+
+Online builder code samples are licensed under the terms of the MIT License (see Appendix A):
+
+ http://en.wikipedia.org/wiki/MIT_License
+
+CKEditor 5 collaboration features are only available under a commercial license. [Contact us](https://ckeditor.com/contact/) for more details.
+
+Free 30-days trials of CKEditor 5 collaboration features are available:
+ * https://ckeditor.com/collaboration/ - Real-time collaboration (with all features).
+ * https://ckeditor.com/collaboration/comments/ - Inline comments feature (without real-time collaborative editing).
+ * https://ckeditor.com/collaboration/track-changes/ - Track changes feature (without real-time collaborative editing).
+
+Trademarks
+----------
+
+CKEditor is a trademark of CKSource - Frederico Knabben. All other brand
+and product names are trademarks, registered trademarks or service
+marks of their respective holders.
+
+---
+
+Appendix A: The MIT License
+---------------------------
+
+The MIT License (MIT)
+
+Copyright (c) 2014-2021, CKSource - Frederico Knabben
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/lib/ckeditor5/README.md b/lib/ckeditor5/README.md
new file mode 100644
index 0000000..fc116c4
--- /dev/null
+++ b/lib/ckeditor5/README.md
@@ -0,0 +1,68 @@
+# CKEditor 5 editor generated with the online builder
+
+This repository presents a CKEditor 5 editor build generated by the [Online builder tool](https://ckeditor.com/ckeditor-5/online-builder)
+
+## Quick start
+
+1. Open the `sample/index.html` page in the browser.
+
+If you picked the real-time collaboration plugins:
+
+2. Fill the dialog with correct token, websocket and upload URL endpoints. If you do not have these yet or do not know their meaning, [contact us](https://ckeditor.com/contact/).
+
+3. Copy the URL and share it or paste in another tab to enjoy real-time collaborative editing.
+
+If you picked the non-real-time collaboration plugins:
+
+2. Fill the prompt with the license key. If you do not have the license key yet [contact us](https://ckeditor.com/contact/).
+
+## Configuring build
+
+Changes like changing toolbar items, changing order of icons or customizing plugin configurations should be relatively easy to make. Open the `sample/index.html` file and edit the script that initialized the CKEditor 5. Save the file and refresh the browser. That's all.
+
+*Note:* If you have any problems with browser caching use the `Ctrl + R` or `Cmd + R` shortcut depending on your system.
+
+However if you want to remove or add a plugin to the build you need to follow the next step of this guide.
+
+Note that it is also possible to go back to the [Online builder tool](https://ckeditor.com/ckeditor-5/online-builder) and pick other set of plugins. But we encourage you to try the harder way and to learn the principles of Node.js and CKEditor 5 ecosystems that will allow you to do more cool things in the future!
+
+### Installation
+
+In order to rebuild the application you need to install all dependencies first. To do it, open the terminal in the project directory and type:
+
+```
+npm install
+```
+
+Make sure that you have the `node` and `npm` installed first. If not, then follow the instructions on the [Node.js documentation page](https://nodejs.org/en/).
+
+### Adding or removing plugins
+
+Now you can install additional plugin in the build. Just follow the [Adding a plugin to an editor tutorial](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/installing-plugins.html#adding-a-plugin-to-an-editor)
+
+### Rebuilding editor
+
+If you have already done the [Installation](#installation) and [Adding or removing plugins](#adding-or-removing-plugins) steps, you're ready to rebuild the editor by running the following command:
+
+```
+npm run build
+```
+
+This will build the CKEditor 5 to the `build` directory. You can open your browser and you should be able to see the changes you've made in the code. If not, then try to refresh also the browser cache by typing `Ctrl + R` or `Cmd + R` depending on your system.
+
+## What's next?
+
+Follow the guides available on https://ckeditor.com/docs/ckeditor5/latest/framework/index.html and enjoy the document editing.
+
+## FAQ
+| Where is the place to report bugs and feature requests?
+
+You can create an issue on https://github.com/ckeditor/ckeditor5/issues including the build id - `aovpauzd25hi-dqoovaepm42n`. Make sure that the question / problem is unique, please look for a possibly asked questions in the search box. Duplicates will be closed.
+
+| Where can I learn more about the CKEditor 5 framework?
+
+Here: https://ckeditor.com/docs/ckeditor5/latest/framework/
+
+| Is it possible to use online builder with common frameworks like React, Vue or Angular?
+
+Not yet, but it these integrations will be available at some point in the future.
diff --git a/lib/ckeditor5/build/ckeditor.js b/lib/ckeditor5/build/ckeditor.js
new file mode 100644
index 0000000..6de3d4e
--- /dev/null
+++ b/lib/ckeditor5/build/ckeditor.js
@@ -0,0 +1,6 @@
+/*!
+ * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md.
+ */
+(function(t){const e=t["fr"]=t["fr"]||{};e.dictionary=Object.assign(e.dictionary||{},{"%0 of %1":"%0 sur %1","Align center":"Centrer","Align left":"Aligner à gauche","Align right":"Aligner à droite","Align table to the left":"Aligner le tableau à gauche","Align table to the right":"Aligner le tableau à droite",Alignment:"Alignement",Aquamarine:"Bleu vert",Background:"Fond",Big:"Grand",Black:"Noir","Block quote":"Citation",Blue:"Bleu","Blue marker":"Marqueur bleu",Bold:"Gras",Border:"Bordure","Bulleted List":"Liste à puces",Cancel:"Annuler","Center table":"Centrer le tableau ","Centered image":"Image centrée","Change image text alternative":"Changer le texte alternatif à l’image","Choose heading":"Choisir l'en-tête",Color:"Couleur","Color picker":"Pipette à couleurs",Column:"Colonne",Dashed:"Tirets",Default:"Par défaut","Delete column":"Supprimer la colonne","Delete row":"Supprimer la ligne","Dim grey":"Gris pâle",Dimensions:"Dimensions","Document colors":"Couleurs du document",Dotted:"Pointillés",Double:"Double",Downloadable:"Fichier téléchargeable","Dropdown toolbar":"Barre d'outils dans un menu déroulant","Edit block":"Modifier le bloc","Edit link":"Modifier le lien","Edit source":"Modifier la source","Editor toolbar":"Barre d'outils de l'éditeur","Empty snippet content":"Aucun contenu pour ce fragment de code","Enter image caption":"Saisir la légende de l’image","Font Color":"Couleur de police","Font Family":"Police","Font Size":"Taille de police","Full size image":"Image taille réelle",Green:"Vert","Green marker":"Marqueur vert","Green pen":"Crayon vert",Grey:"Gris",Groove:"Rainuré","Header column":"Colonne d'entête","Header row":"Ligne d'entête",Heading:"En-tête","Heading 1":"Titre 1","Heading 2":"Titre 2","Heading 3":"Titre 3","Heading 4":"Titre 4","Heading 5":"Titre 5","Heading 6":"Titre 6",Height:"Hauteur",Highlight:"Surlignage","Horizontal line":"Ligne horizontale","HTML snippet":"Code HTML",Huge:"Enorme","Image toolbar":"Barre d'outils des images","image widget":"Objet image",Insert:"Insérer","Insert column left":"Insérer une colonne à gauche","Insert column right":"Insérer une colonne à droite","Insert HTML":"Insérer du code HTML","Insert image":"Insérer une image","Insert image via URL":"Insérer une image à partir d'une URL","Insert paragraph after block":"Insérer du texte après ce bloc","Insert paragraph before block":"Insérer du texte avant ce bloc","Insert row above":"Insérer une ligne au-dessus","Insert row below":"Insérer une ligne en-dessous","Insert table":"Insérer un tableau",Inset:"Relief intérieur",Italic:"Italique",Justify:"Justifier","Left aligned image":"Image alignée à gauche","Light blue":"Bleu clair","Light green":"Vert clair","Light grey":"Gris clair",Link:"Lien","Link image":"Lien d'image","Link URL":"URL du lien","Merge cell down":"Fusionner la cellule en-dessous","Merge cell left":"Fusionner la cellule à gauche","Merge cell right":"Fusionner la cellule à droite","Merge cell up":"Fusionner la cellule au-dessus","Merge cells":"Fusionner les cellules",Next:"Suivant","No preview available":"Aucun aperçu disponible",None:"Aucun","Numbered List":"Liste numérotée","Open in a new tab":"Ouvrir dans un nouvel onglet","Open link in new tab":"Ouvrir le lien dans un nouvel onglet",Orange:"Orange",Outset:"Relief extérieur",Paragraph:"Paragraphe","Paste raw HTML here...":"Collez le code HTML brut ici...","Pink marker":"Marqueur rose",Previous:"Précedent",Purple:"Violet",Red:"Rouge","Red pen":"Crayon rouge",Redo:"Restaurer","Remove color":"Enlever la couleur","Remove highlight":"Enlever le surlignage","Rich Text Editor":"Éditeur de texte enrichi","Rich Text Editor, %0":"Éditeur de texte enrichi, %0",Ridge:"Relief","Right aligned image":"Image alignée à droite",Row:"Ligne",Save:"Enregistrer","Save changes":"Enregistrer les changements","Saving changes":"Enregistrement des modifications","Select all":"Sélectionner tout","Select column":"Sélectionner la colonne","Select row":"Sélectionner la ligne","Show more items":"Montrer plus d'éléments","Side image":"Image latérale",Small:"Petit",Solid:"Continu","Split cell horizontally":"Scinder la cellule horizontalement","Split cell vertically":"Scinder la cellule verticalement",Style:"Style","Table alignment toolbar":"Barre d'outils pour modifier l'alignement du tableau","Table properties":"Propriétés du tableau","Table toolbar":"Barre d'outils des tableaux","Text alignment":"Alignement du texte","Text alignment toolbar":"Barre d'outils d'alignement du texte","Text alternative":"Texte alternatif","Text highlight toolbar":"Barre d'outils du surlignage",'The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".':'La couleur est invalide. Essayez "#FF0000" ou "rgb(255,0,0)" ou "red".','The value is invalid. Try "10px" or "2em" or simply "2".':'La valeur est invalide. 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* Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../mixins/_unselectable.css";\n@import "../tooltip/mixins/_tooltip.css";\n\n.ck.ck-button,\na.ck.ck-button {\n\t@mixin ck-unselectable;\n\t@mixin ck-tooltip_enabled;\n\n\tposition: relative;\n\tdisplay: inline-flex;\n\talign-items: center;\n\tjustify-content: left;\n\n\t& .ck-button__label {\n\t\tdisplay: none;\n\t}\n\n\t&.ck-button_with-text {\n\t\t& .ck-button__label {\n\t\t\tdisplay: inline-block;\n\t\t}\n\t}\n\n\t/* Center the icon horizontally in a button without text. */\n\t&:not(.ck-button_with-text) {\n\t\tjustify-content: center;\n\t}\n\n\t&:hover {\n\t\t@mixin ck-tooltip_visible;\n\t}\n\n\t/* Get rid of the native focus outline around the tooltip when focused (but not :hover). */\n\t&:focus:not(:hover) {\n\t\t@mixin ck-tooltip_disabled;\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Enables the tooltip, which is the tooltip is in DOM but\n * not yet displayed.\n */\n@define-mixin ck-tooltip_enabled {\n\t& .ck-tooltip {\n\t\tdisplay: block;\n\n\t\t/*\n\t\t * Don't display tooltips in devices which don't support :hover.\n\t\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\n\t\t * the primary action, when tooltips are enabled.\n\t\t *\n\t\t * Q: OK, but why not the following query?\n\t\t *\n\t\t * @media (hover) {\n\t\t * display: block;\n\t\t * }\n\t\t *\n\t\t * A: Because FF does not support it and it would completely disable tooltips\n\t\t * in that browser.\n\t\t *\n\t\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\n\t\t */\n\t\t@media (hover:none) {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n\n/**\n * Disables the tooltip making it disappear from DOM.\n */\n@define-mixin ck-tooltip_disabled {\n\t& .ck-tooltip {\n\t\tdisplay: none;\n\t}\n}\n\n/**\n * Shows the tooltip, which is already in DOM.\n * Requires `ck-tooltip_enabled` first.\n */\n@define-mixin ck-tooltip_visible {\n\t& .ck-tooltip {\n\t\tvisibility: visible;\n\t\topacity: 1;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_focus.css";\n@import "../../../mixins/_shadow.css";\n@import "../../../mixins/_disabled.css";\n@import "../../../mixins/_rounded.css";\n@import "../../mixins/_button.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n.ck.ck-button,\na.ck.ck-button {\n\t@mixin ck-button-colors --ck-color-button-default;\n\t@mixin ck-rounded-corners;\n\n\twhite-space: nowrap;\n\tcursor: default;\n\tvertical-align: middle;\n\tpadding: var(--ck-spacing-tiny);\n\ttext-align: center;\n\n\t/* A very important piece of styling. Go to variable declaration to learn more. */\n\tmin-width: var(--ck-ui-component-min-height);\n\tmin-height: var(--ck-ui-component-min-height);\n\n\t/* Normalize the height of the line. Removing this will break consistent height\n\tamong text and text-less buttons (with icons). */\n\tline-height: 1;\n\n\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\tfont-size: inherit;\n\n\t/* Avoid flickering when the foucs border shows up. */\n\tborder: 1px solid transparent;\n\n\t/* Apply some smooth transition to the box-shadow and border. */\n\ttransition: box-shadow .2s ease-in-out, border .2s ease-in-out;\n\n\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/189 */\n\t-webkit-appearance: none;\n\n\t&:active,\n\t&:focus {\n\t\t@mixin ck-focus-ring;\n\t\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\n\t}\n\n\t/* Allow icon coloring using the text "color" property. */\n\t& .ck-button__icon {\n\t\t& use,\n\t\t& use * {\n\t\t\tcolor: inherit;\n\t\t}\n\t}\n\n\t& .ck-button__label {\n\t\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\t\tfont-size: inherit;\n\t\tfont-weight: inherit;\n\t\tcolor: inherit;\n\t\tcursor: inherit;\n\n\t\t/* Must be consistent with .ck-icon\'s vertical align. Otherwise, buttons with and\n\t\twithout labels (but with icons) have different sizes in Chrome */\n\t\tvertical-align: middle;\n\n\t\t@mixin ck-dir ltr {\n\t\t\ttext-align: left;\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\ttext-align: right;\n\t\t}\n\t}\n\n\t& .ck-button__keystroke {\n\t\tcolor: inherit;\n\n\t\t@mixin ck-dir ltr {\n\t\t\tmargin-left: var(--ck-spacing-large);\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\tmargin-right: var(--ck-spacing-large);\n\t\t}\n\n\t\tfont-weight: bold;\n\t\topacity: .7;\n\t}\n\n\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */\n\t&.ck-disabled {\n\t\t&:active,\n\t\t&:focus {\n\t\t\t/* The disabled button should have a slightly less visible shadow when focused. */\n\t\t\t@mixin ck-box-shadow var(--ck-focus-disabled-outer-shadow);\n\t\t}\n\n\t\t& .ck-button__icon {\n\t\t\t@mixin ck-disabled;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/98 */\n\t\t& .ck-button__label {\n\t\t\t@mixin ck-disabled;\n\t\t}\n\n\t\t& .ck-button__keystroke {\n\t\t\topacity: .3;\n\t\t}\n\t}\n\n\t&.ck-button_with-text {\n\t\tpadding: var(--ck-spacing-tiny) var(--ck-spacing-standard);\n\n\t\t/* stylelint-disable-next-line no-descending-specificity */\n\t\t& .ck-button__icon {\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tmargin-left: calc(-1 * var(--ck-spacing-small));\n\t\t\t\tmargin-right: var(--ck-spacing-small);\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tmargin-right: calc(-1 * var(--ck-spacing-small));\n\t\t\t\tmargin-left: var(--ck-spacing-small);\n\t\t\t}\n\t\t}\n\t}\n\n\t&.ck-button_with-keystroke {\n\t\t/* stylelint-disable-next-line no-descending-specificity */\n\t\t& .ck-button__label {\n\t\t\tflex-grow: 1;\n\t\t}\n\t}\n\n\t/* A style of the button which is currently on, e.g. its feature is active. */\n\t&.ck-on {\n\t\t@mixin ck-button-colors --ck-color-button-on;\n\t}\n\n\t&.ck-button-save {\n\t\tcolor: var(--ck-color-button-save);\n\t}\n\n\t&.ck-button-cancel {\n\t\tcolor: var(--ck-color-button-cancel);\n\t}\n}\n\n/* A style of the button which handles the primary action. */\n.ck.ck-button-action,\na.ck.ck-button-action {\n\t@mixin ck-button-colors --ck-color-button-action;\n\n\tcolor: var(--ck-color-button-action-text);\n}\n\n.ck.ck-button-bold,\na.ck.ck-button-bold {\n\tfont-weight: bold;\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements a button of given background color.\n *\n * @param {String} $background - Background color of the button.\n * @param {String} $border - Border color of the button.\n */\n@define-mixin ck-button-colors $prefix {\n\tbackground: var($(prefix)-background);\n\n\t&:not(.ck-disabled) {\n\t\t&:hover {\n\t\t\tbackground: var($(prefix)-hover-background);\n\t\t}\n\n\t\t&:active {\n\t\t\tbackground: var($(prefix)-active-background);\n\t\t\tbox-shadow: inset 0 2px 2px var($(prefix)-active-shadow);\n\t\t}\n\t}\n\n\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/98 */\n\t&.ck-disabled {\n\t\tbackground: var($(prefix)-disabled-background);\n\t}\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A visual style of focused element's border.\n */\n@define-mixin ck-focus-ring {\n\t/* Disable native outline. */\n\toutline: none;\n\tborder: var(--ck-focus-ring)\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A class which indicates that an element holding it is disabled.\n */\n@define-mixin ck-disabled {\n\topacity: var(--ck-disabled-opacity);\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{display:block}:root{--ck-switch-button-toggle-width:2.6153846154em;--ck-switch-button-toggle-inner-size:1.0769230769em;--ck-switch-button-toggle-spacing:1px;--ck-switch-button-translation:calc(var(--ck-switch-button-toggle-width) - var(--ck-switch-button-toggle-inner-size) - var(--ck-switch-button-toggle-spacing)*2)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__label{margin-right:calc(var(--ck-spacing-large)*2)}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__label{margin-left:calc(var(--ck-spacing-large)*2)}.ck.ck-button.ck-switchbutton .ck-button__toggle{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle,.ck.ck-button.ck-switchbutton .ck-button__toggle.ck-rounded-corners{border-radius:var(--ck-border-radius)}[dir=ltr] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-left:auto}[dir=rtl] .ck.ck-button.ck-switchbutton .ck-button__toggle{margin-right:auto}.ck.ck-button.ck-switchbutton .ck-button__toggle{transition:background .4s ease;width:var(--ck-switch-button-toggle-width);background:var(--ck-color-switch-button-off-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner.ck-rounded-corners{border-radius:var(--ck-border-radius);border-radius:calc(var(--ck-border-radius)*0.5)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{margin:var(--ck-switch-button-toggle-spacing);width:var(--ck-switch-button-toggle-inner-size);height:var(--ck-switch-button-toggle-inner-size);background:var(--ck-color-switch-button-inner-background);transition:all .3s ease}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover{background:var(--ck-color-switch-button-off-hover-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover .ck-button__toggle__inner{box-shadow:0 0 0 5px var(--ck-color-switch-button-inner-shadow)}.ck.ck-button.ck-switchbutton.ck-disabled .ck-button__toggle{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle{background:var(--ck-color-switch-button-on-background)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle:hover{background:var(--ck-color-switch-button-on-hover-background)}[dir=ltr] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(var(--ck-switch-button-translation))}[dir=rtl] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(calc(var(--ck-switch-button-translation)*-1))}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/button/switchbutton.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/button/switchbutton.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_disabled.css"],names:[],mappings:"AASE,4HACC,aACD,CCCF,MAEC,8CAA+C,CAE/C,mDAAoD,CACpD,qCAAsC,CACtC,gKAKD,CAGC,0DAGE,4CAOF,CAVA,0DAQE,2CAEF,CAEA,iDC3BA,eDoEA,CAzCA,yICvBC,qCDgED,CAzCA,2DAKE,gBAoCF,CAzCA,2DAUE,iBA+BF,CAzCA,iDAcC,8BAAiC,CAEjC,0CAA2C,CAC3C,uDAwBD,CAtBC,2EC9CD,eD2DC,CAbA,6LC1CA,qCAAsC,CD4CpC,+CAWF,CAbA,2EAMC,6CAA8C,CAC9C,+CAAgD,CAChD,gDAAiD,CACjD,yDAA0D,CAG1D,uBACD,CAEA,uDACC,6DAKD,CAHC,iFACC,+DACD,CAIF,6DExEA,kCF0EA,CAEA,uDACC,sDAkBD,CAhBC,6DACC,4DACD,CAEA,2FAKE,yDAMF,CAXA,2FASE,kEAEF",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-button.ck-switchbutton {\n\t& .ck-button__toggle {\n\t\tdisplay: block;\n\n\t\t& .ck-button__toggle__inner {\n\t\t\tdisplay: block;\n\t\t}\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_disabled.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n/* Note: To avoid rendering issues (aliasing) but to preserve the responsive nature\nof the component, floating–point numbers have been used which, for the default font size\n(see: --ck-font-size-base), will generate simple integers. */\n:root {\n\t/* 34px at 13px font-size */\n\t--ck-switch-button-toggle-width: 2.6153846154em;\n\t/* 14px at 13px font-size */\n\t--ck-switch-button-toggle-inner-size: 1.0769230769em;\n\t--ck-switch-button-toggle-spacing: 1px;\n\t--ck-switch-button-translation: calc(\n\t\tvar(--ck-switch-button-toggle-width) -\n\t\tvar(--ck-switch-button-toggle-inner-size) -\n\t\t2 * var(--ck-switch-button-toggle-spacing)\n\t);\n}\n\n.ck.ck-button.ck-switchbutton {\n\t& .ck-button__label {\n\t\t@mixin ck-dir ltr {\n\t\t\t/* Separate the label from the switch */\n\t\t\tmargin-right: calc(2 * var(--ck-spacing-large));\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\t/* Separate the label from the switch */\n\t\t\tmargin-left: calc(2 * var(--ck-spacing-large));\n\t\t}\n\t}\n\n\t& .ck-button__toggle {\n\t\t@mixin ck-rounded-corners;\n\n\t\t@mixin ck-dir ltr {\n\t\t\t/* Make sure the toggle is always to the right as far as possible. */\n\t\t\tmargin-left: auto;\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\t/* Make sure the toggle is always to the left as far as possible. */\n\t\t\tmargin-right: auto;\n\t\t}\n\n\t\t/* Gently animate the background color of the toggle switch */\n\t\ttransition: background 400ms ease;\n\n\t\twidth: var(--ck-switch-button-toggle-width);\n\t\tbackground: var(--ck-color-switch-button-off-background);\n\n\t\t& .ck-button__toggle__inner {\n\t\t\t@mixin ck-rounded-corners {\n\t\t\t\tborder-radius: calc(.5 * var(--ck-border-radius));\n\t\t\t}\n\n\t\t\t/* Leave some tiny bit of space around the inner part of the switch */\n\t\t\tmargin: var(--ck-switch-button-toggle-spacing);\n\t\t\twidth: var(--ck-switch-button-toggle-inner-size);\n\t\t\theight: var(--ck-switch-button-toggle-inner-size);\n\t\t\tbackground: var(--ck-color-switch-button-inner-background);\n\n\t\t\t/* Gently animate the inner part of the toggle switch */\n\t\t\ttransition: all 300ms ease;\n\t\t}\n\n\t\t&:hover {\n\t\t\tbackground: var(--ck-color-switch-button-off-hover-background);\n\n\t\t\t& .ck-button__toggle__inner {\n\t\t\t\tbox-shadow: 0 0 0 5px var(--ck-color-switch-button-inner-shadow);\n\t\t\t}\n\t\t}\n\t}\n\n\t&.ck-disabled .ck-button__toggle {\n\t\t@mixin ck-disabled;\n\t}\n\n\t&.ck-on .ck-button__toggle {\n\t\tbackground: var(--ck-color-switch-button-on-background);\n\n\t\t&:hover {\n\t\t\tbackground: var(--ck-color-switch-button-on-hover-background);\n\t\t}\n\n\t\t& .ck-button__toggle__inner {\n\t\t\t/*\n\t\t\t * Move the toggle switch to the right. It will be animated.\n\t\t\t */\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\ttransform: translateX( var( --ck-switch-button-translation ) );\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\ttransform: translateX( calc( -1 * var( --ck-switch-button-translation ) ) );\n\t\t\t}\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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For instance, this ensures no matter what the UI text color is,\n\t * the check icon will look good on the black color tile. */\n\t--ck-color-color-grid-check-icon: hsl(0, 0%, 0%);\n}\n\n.ck.ck-color-grid {\n\tgrid-gap: 5px;\n\tpadding: 8px;\n}\n\n.ck.ck-color-grid__tile {\n\twidth: var(--ck-color-grid-tile-size);\n\theight: var(--ck-color-grid-tile-size);\n\tmin-width: var(--ck-color-grid-tile-size);\n\tmin-height: var(--ck-color-grid-tile-size);\n\tpadding: 0;\n\ttransition: .2s ease box-shadow;\n\tborder: 0;\n\n\t&.ck-disabled {\n\t\tcursor: unset;\n\t\ttransition: unset;\n\t}\n\n\t&.ck-color-table__color-tile_bordered {\n\t\tbox-shadow: 0 0 0 1px var(--ck-color-base-border);\n\t}\n\n\t& .ck.ck-icon {\n\t\tdisplay: none;\n\t\tcolor: var(--ck-color-color-grid-check-icon);\n\t}\n\n\t&.ck-on {\n\t\tbox-shadow: inset 0 0 0 1px var(--ck-color-base-background), 0 0 0 2px var(--ck-color-base-text);\n\n\t\t& .ck.ck-icon {\n\t\t\tdisplay: block;\n\t\t}\n\t}\n\n\t&.ck-on,\n\t&:focus:not( .ck-disabled ),\n\t&:hover:not( .ck-disabled ) {\n\t\t/* Disable the default .ck-button\'s border ring. */\n\t\tborder: 0;\n\t}\n\n\t&:focus:not( .ck-disabled ),\n\t&:hover:not( .ck-disabled ) {\n\t\tbox-shadow: inset 0 0 0 1px var(--ck-color-base-background), 0 0 0 2px var(--ck-color-focus-border);\n\t}\n}\n\n.ck.ck-color-grid__label {\n\tpadding: 0 var(--ck-spacing-standard);\n}\n'],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-splitbutton{font-size:inherit}.ck.ck-splitbutton .ck-splitbutton__action:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button .ck-tooltip{display:none}:root{--ck-color-split-button-hover-background:#ebebeb;--ck-color-split-button-hover-border:#b3b3b3}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-right-radius:unset;border-bottom-right-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-left-radius:unset;border-bottom-left-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow{min-width:unset}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-radius:0}.ck-rounded-corners [dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow,[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:unset;border-bottom-left-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-right-radius:unset;border-bottom-right-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow svg{width:var(--ck-dropdown-arrow-size)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover),.ck.ck-splitbutton:hover>.ck-button:not(.ck-on):not(.ck-disabled):not(:hover){background:var(--ck-color-split-button-hover-background)}[dir=ltr] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled),[dir=ltr] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled){border-left-color:var(--ck-color-split-button-hover-border)}[dir=rtl] .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow:not(.ck-disabled),[dir=rtl] .ck.ck-splitbutton:hover>.ck-splitbutton__arrow:not(.ck-disabled){border-right-color:var(--ck-color-split-button-hover-border)}.ck.ck-splitbutton.ck-splitbutton_open{border-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__action,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__action{border-bottom-left-radius:0}.ck-rounded-corners .ck.ck-splitbutton.ck-splitbutton_open>.ck-splitbutton__arrow,.ck.ck-splitbutton.ck-splitbutton_open.ck-rounded-corners>.ck-splitbutton__arrow{border-bottom-right-radius:0}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/dropdown/splitbutton.css","webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/tooltip/mixins/_tooltip.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/splitbutton.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAOA,mBAEC,iBAUD,CARC,iDACC,qCACD,CC0BA,8DACC,YACD,CClCD,MACC,gDAAyD,CACzD,4CACD,CAMC,qDAGE,6BAA8B,CAC9B,gCAQF,CAZA,qDASE,4BAA6B,CAC7B,+BAEF,CAEA,0CAGC,eAmBD,CAtBA,oDCnBA,eDyCA,CAtBA,+ICfC,qCAAsC,CDuBpC,4BAA6B,CAC7B,+BAaH,CAtBA,oDAeE,6BAA8B,CAC9B,gCAMF,CAHC,8CACC,mCACD,CASA,0KACC,wDACD,CAGC,sKACC,2DACD,CAIA,sKACC,4DACD,CAMF,uCCpEA,eD8EA,CAVA,qHChEC,qCD0ED,CARE,qKACC,2BACD,CAEA,mKACC,4BACD",sourcesContent:['/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../tooltip/mixins/_tooltip.css";\n\n.ck.ck-splitbutton {\n\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\tfont-size: inherit;\n\n\t& .ck-splitbutton__action:focus {\n\t\tz-index: calc(var(--ck-z-default) + 1);\n\t}\n\n\t/* Disable tooltips for the buttons when the button is "open" */\n\t&.ck-splitbutton_open > .ck-button {\n\t\t@mixin ck-tooltip_disabled;\n\t}\n}\n\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Enables the tooltip, which is the tooltip is in DOM but\n * not yet displayed.\n */\n@define-mixin ck-tooltip_enabled {\n\t& .ck-tooltip {\n\t\tdisplay: block;\n\n\t\t/*\n\t\t * Don't display tooltips in devices which don't support :hover.\n\t\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\n\t\t * the primary action, when tooltips are enabled.\n\t\t *\n\t\t * Q: OK, but why not the following query?\n\t\t *\n\t\t * @media (hover) {\n\t\t * display: block;\n\t\t * }\n\t\t *\n\t\t * A: Because FF does not support it and it would completely disable tooltips\n\t\t * in that browser.\n\t\t *\n\t\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\n\t\t */\n\t\t@media (hover:none) {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n\n/**\n * Disables the tooltip making it disappear from DOM.\n */\n@define-mixin ck-tooltip_disabled {\n\t& .ck-tooltip {\n\t\tdisplay: none;\n\t}\n}\n\n/**\n * Shows the tooltip, which is already in DOM.\n * Requires `ck-tooltip_enabled` first.\n */\n@define-mixin ck-tooltip_visible {\n\t& .ck-tooltip {\n\t\tvisibility: visible;\n\t\topacity: 1;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n\n:root {\n\t--ck-color-split-button-hover-background: hsl(0, 0%, 92%);\n\t--ck-color-split-button-hover-border: hsl(0, 0%, 70%);\n}\n\n.ck.ck-splitbutton {\n\t/*\n\t * Note: ck-rounded and ck-dir mixins don\'t go together (because they both use @nest).\n\t */\n\t& > .ck-splitbutton__action {\n\t\t@nest [dir="ltr"] & {\n\t\t\t/* Don\'t round the action button on the right side */\n\t\t\tborder-top-right-radius: unset;\n\t\t\tborder-bottom-right-radius: unset;\n\t\t}\n\n\t\t@nest [dir="rtl"] & {\n\t\t\t/* Don\'t round the action button on the left side */\n\t\t\tborder-top-left-radius: unset;\n\t\t\tborder-bottom-left-radius: unset;\n\t\t}\n\t}\n\n\t& > .ck-splitbutton__arrow {\n\t\t/* It\'s a text-less button and since the icon is positioned absolutely in such situation,\n\t\tit must get some arbitrary min-width. */\n\t\tmin-width: unset;\n\n\t\t@nest [dir="ltr"] & {\n\t\t\t/* Don\'t round the arrow button on the left side */\n\t\t\t@mixin ck-rounded-corners {\n\t\t\t\tborder-top-left-radius: unset;\n\t\t\t\tborder-bottom-left-radius: unset;\n\t\t\t}\n\t\t}\n\n\t\t@nest [dir="rtl"] & {\n\t\t\t/* Don\'t round the arrow button on the right side */\n\t\t\tborder-top-right-radius: unset;\n\t\t\tborder-bottom-right-radius: unset;\n\t\t}\n\n\t\t& svg {\n\t\t\twidth: var(--ck-dropdown-arrow-size);\n\t\t}\n\t}\n\n\t/* When the split button is "open" (the arrow is on) or being hovered, it should get some styling\n\tas a whole. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import \"../tooltip/mixins/_tooltip.css\";\n\n:root {\n\t--ck-dropdown-max-width: 75vw;\n}\n\n.ck.ck-dropdown {\n\tdisplay: inline-block;\n\tposition: relative;\n\n\t& .ck-dropdown__arrow {\n\t\tpointer-events: none;\n\t\tz-index: var(--ck-z-default);\n\t}\n\n\t/* Dropdown button should span horizontally, e.g. in vertical toolbars */\n\t& .ck-button.ck-dropdown__button {\n\t\twidth: 100%;\n\n\t\t/* Disable main button's tooltip when the dropdown is open. Otherwise the panel may\n\t\tpartially cover the tooltip */\n\t\t&.ck-on {\n\t\t\t@mixin ck-tooltip_disabled;\n\t\t}\n\t}\n\n\t& .ck-dropdown__panel {\n\t\t/* This is to get rid of flickering when the tooltip is shown under the panel,\n\t\twhich looks like the panel moves vertically a pixel down and up. */\n\t\t-webkit-backface-visibility: hidden;\n\n\t\tdisplay: none;\n\t\tz-index: var(--ck-z-modal);\n\t\tmax-width: var(--ck-dropdown-max-width);\n\n\t\tposition: absolute;\n\n\t\t&.ck-dropdown__panel-visible {\n\t\t\tdisplay: inline-block;\n\t\t}\n\n\t\t&.ck-dropdown__panel_ne,\n\t\t&.ck-dropdown__panel_nw,\n\t\t&.ck-dropdown__panel_n,\n\t\t&.ck-dropdown__panel_nmw,\n\t\t&.ck-dropdown__panel_nme {\n\t\t\tbottom: 100%;\n\t\t}\n\n\t\t&.ck-dropdown__panel_se,\n\t\t&.ck-dropdown__panel_sw,\n\t\t&.ck-dropdown__panel_smw,\n\t\t&.ck-dropdown__panel_sme,\n\t\t&.ck-dropdown__panel_s {\n\t\t\t/*\n\t\t\t * Using transform: translate3d( 0, 100%, 0 ) causes blurry dropdown on Chrome 67-78+ on non-retina displays.\n\t\t\t * See https://github.com/ckeditor/ckeditor5/issues/1053.\n\t\t\t */\n\t\t\ttop: 100%;\n\t\t\tbottom: auto;\n\t\t}\n\n\t\t&.ck-dropdown__panel_ne,\n\t\t&.ck-dropdown__panel_se {\n\t\t\tleft: 0px;\n\t\t}\n\n\t\t&.ck-dropdown__panel_nw,\n\t\t&.ck-dropdown__panel_sw {\n\t\t\tright: 0px;\n\t\t}\n\n\t\t&.ck-dropdown__panel_s,\n\t\t&.ck-dropdown__panel_n {\n\t\t\t/* Positioning panels relative to the center of the button */\n\t\t\tleft: 50%;\n\t\t\ttransform: translateX(-50%);\n\t\t}\n\n\t\t&.ck-dropdown__panel_nmw,\n\t\t&.ck-dropdown__panel_smw {\n\t\t\t/* Positioning panels relative to the middle-west of the button */\n\t\t\tleft: 75%;\n\t\t\ttransform: translateX(-75%);\n\t\t}\n\n\t\t&.ck-dropdown__panel_nme,\n\t\t&.ck-dropdown__panel_sme {\n\t\t\t/* Positioning panels relative to the middle-east of the button */\n\t\t\tleft: 25%;\n\t\t\ttransform: translateX(-25%);\n\t\t}\n\t}\n}\n\n/*\n * Toolbar dropdown panels should be always above the UI (eg. other dropdown panels) from the editor's content.\n * See https://github.com/ckeditor/ckeditor5/issues/7874\n */\n.ck.ck-toolbar .ck-dropdown__panel {\n\tz-index: calc( var(--ck-z-modal) + 1 );\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Enables the tooltip, which is the tooltip is in DOM but\n * not yet displayed.\n */\n@define-mixin ck-tooltip_enabled {\n\t& .ck-tooltip {\n\t\tdisplay: block;\n\n\t\t/*\n\t\t * Don't display tooltips in devices which don't support :hover.\n\t\t * In fact, it's all about iOS, which forces user to click UI elements twice to execute\n\t\t * the primary action, when tooltips are enabled.\n\t\t *\n\t\t * Q: OK, but why not the following query?\n\t\t *\n\t\t * @media (hover) {\n\t\t * display: block;\n\t\t * }\n\t\t *\n\t\t * A: Because FF does not support it and it would completely disable tooltips\n\t\t * in that browser.\n\t\t *\n\t\t * More in https://github.com/ckeditor/ckeditor5/issues/920.\n\t\t */\n\t\t@media (hover:none) {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n\n/**\n * Disables the tooltip making it disappear from DOM.\n */\n@define-mixin ck-tooltip_disabled {\n\t& .ck-tooltip {\n\t\tdisplay: none;\n\t}\n}\n\n/**\n * Shows the tooltip, which is already in DOM.\n * Requires `ck-tooltip_enabled` first.\n */\n@define-mixin ck-tooltip_visible {\n\t& .ck-tooltip {\n\t\tvisibility: visible;\n\t\topacity: 1;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_disabled.css";\n@import "../../../mixins/_shadow.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n:root {\n\t--ck-dropdown-arrow-size: calc(0.5 * var(--ck-icon-size));\n}\n\n.ck.ck-dropdown {\n\t/* Enable font size inheritance, which allows fluid UI scaling. */\n\tfont-size: inherit;\n\n\t& .ck-dropdown__arrow {\n\t\twidth: var(--ck-dropdown-arrow-size);\n\t}\n\n\t@mixin ck-dir ltr {\n\t\t& .ck-dropdown__arrow {\n\t\t\tright: var(--ck-spacing-standard);\n\n\t\t\t/* A space to accommodate the triangle. */\n\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t}\n\t}\n\n\t@mixin ck-dir rtl {\n\t\t& .ck-dropdown__arrow {\n\t\t\tleft: var(--ck-spacing-standard);\n\n\t\t\t/* A space to accommodate the triangle. */\n\t\t\tmargin-right: var(--ck-spacing-small);\n\t\t}\n\t}\n\n\t&.ck-disabled .ck-dropdown__arrow {\n\t\t@mixin ck-disabled;\n\t}\n\n\t& .ck-button.ck-dropdown__button {\n\t\t@mixin ck-dir ltr {\n\t\t\t&:not(.ck-button_with-text) {\n\t\t\t\t/* Make sure dropdowns with just an icon have the right inner spacing */\n\t\t\t\tpadding-left: var(--ck-spacing-small);\n\t\t\t}\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\t&:not(.ck-button_with-text) {\n\t\t\t\t/* Make sure dropdowns with just an icon have the right inner spacing */\n\t\t\t\tpadding-right: var(--ck-spacing-small);\n\t\t\t}\n\t\t}\n\n\t\t/* #23 */\n\t\t& .ck-button__label {\n\t\t\twidth: 7em;\n\t\t\toverflow: hidden;\n\t\t\ttext-overflow: ellipsis;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */\n\t\t&.ck-disabled .ck-button__label {\n\t\t\t@mixin ck-disabled;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5/issues/816 */\n\t\t&.ck-on {\n\t\t\tborder-bottom-left-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\n\t\t&.ck-dropdown__button_label-width_auto .ck-button__label {\n\t\t\twidth: auto;\n\t\t}\n\n\t\t/* https://github.com/ckeditor/ckeditor5/issues/8699 */\n\t\t&.ck-off:active,\n\t\t&.ck-on:active {\n\t\t\tbox-shadow: none;\n\t\t\t\n\t\t\t&:focus {\n\t\t\t\t@mixin ck-box-shadow var(--ck-focus-outer-shadow);\n\t\t\t}\n\t\t}\n\t}\n}\n\n.ck.ck-dropdown__panel {\n\t@mixin ck-rounded-corners;\n\t@mixin ck-drop-shadow;\n\n\tbackground: var(--ck-color-dropdown-panel-background);\n\tborder: 1px solid var(--ck-color-dropdown-panel-border);\n\tbottom: 0;\n\n\t/* Make sure the panel is at least as wide as the drop-down\'s button. */\n\tmin-width: 100%;\n\n\t/* Disabled corner border radius to be consistent with the .dropdown__button\n\thttps://github.com/ckeditor/ckeditor5/issues/816 */\n\t&.ck-dropdown__panel_se {\n\t\tborder-top-left-radius: 0;\n\t}\n\n\t&.ck-dropdown__panel_sw {\n\t\tborder-top-right-radius: 0;\n\t}\n\n\t&.ck-dropdown__panel_ne {\n\t\tborder-bottom-left-radius: 0;\n\t}\n\n\t&.ck-dropdown__panel_nw {\n\t\tborder-bottom-right-radius: 0;\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A class which indicates that an element holding it is disabled.\n */\n@define-mixin ck-disabled {\n\topacity: var(--ck-disabled-opacity);\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-toolbar{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-flow:row nowrap;align-items:center}.ck.ck-toolbar>.ck-toolbar__items{display:flex;flex-flow:row wrap;align-items:center;flex-grow:1}.ck.ck-toolbar .ck.ck-toolbar__separator{display:inline-block}.ck.ck-toolbar .ck.ck-toolbar__separator:first-child,.ck.ck-toolbar .ck.ck-toolbar__separator:last-child{display:none}.ck.ck-toolbar 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* Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../mixins/_unselectable.css";\n\n.ck.ck-toolbar {\n\t@mixin ck-unselectable;\n\n\tdisplay: flex;\n\tflex-flow: row nowrap;\n\talign-items: center;\n\n\t& > .ck-toolbar__items {\n\t\tdisplay: flex;\n\t\tflex-flow: row wrap;\n\t\talign-items: center;\n\t\tflex-grow: 1;\n\n\t}\n\n\t& .ck.ck-toolbar__separator {\n\t\tdisplay: inline-block;\n\n\t\t/*\n\t\t * A leading or trailing separator makes no sense (separates from nothing on one side).\n\t\t * For instance, it can happen when toolbar items (also separators) are getting grouped one by one and\n\t\t * moved to another toolbar in the dropdown.\n\t\t */\n\t\t&:first-child,\n\t\t&:last-child {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n\n\t& .ck-toolbar__line-break {\n\t\tflex-basis: 100%;\n\t}\n\n\t&.ck-toolbar_grouping > .ck-toolbar__items {\n\t\tflex-wrap: nowrap;\n\t}\n\n\t&.ck-toolbar_vertical > .ck-toolbar__items {\n\t\tflex-direction: column;\n\t}\n\n\t&.ck-toolbar_floating > .ck-toolbar__items {\n\t\tflex-wrap: nowrap;\n\t}\n\n\t& > .ck.ck-toolbar__grouped-dropdown {\n\t\t& > .ck-dropdown__button .ck-dropdown__arrow {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Makes element unselectable.\n */\n@define-mixin ck-unselectable {\n\t-moz-user-select: none;\n\t-webkit-user-select: none;\n\t-ms-user-select: none;\n\tuser-select: none\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n.ck.ck-toolbar {\n\t@mixin ck-rounded-corners;\n\n\tbackground: var(--ck-color-toolbar-background);\n\tpadding: 0 var(--ck-spacing-small);\n\tborder: 1px solid var(--ck-color-toolbar-border);\n\n\t& .ck.ck-toolbar__separator {\n\t\talign-self: stretch;\n\t\twidth: 1px;\n\t\tmin-width: 1px;\n\t\tbackground: var(--ck-color-toolbar-border);\n\n\t\t/*\n\t\t * These margins make the separators look better in balloon toolbars (when aligned with the "tip").\n\t\t * See https://github.com/ckeditor/ckeditor5/issues/7493.\n\t\t */\n\t\tmargin-top: var(--ck-spacing-small);\n\t\tmargin-bottom: var(--ck-spacing-small);\n\t}\n\n\t& .ck-toolbar__line-break {\n\t\theight: 0;\n\t}\n\n\t& > .ck-toolbar__items {\n\t\t& > *:not(.ck-toolbar__line-break) {\n\t\t\t/* (#11) Separate toolbar items. */\n\t\t\tmargin-right: var(--ck-spacing-small);\n\t\t}\n\n\t\t/* Don\'t display a separator after an empty items container, for instance,\n\t\twhen all items were grouped */\n\t\t&:empty + .ck.ck-toolbar__separator {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n\n\t& > .ck-toolbar__items > *:not(.ck-toolbar__line-break),\n\t& > .ck.ck-toolbar__grouped-dropdown {\n\t\t/* Make sure items wrapped to the next line have v-spacing */\n\t\tmargin-top: var(--ck-spacing-small);\n\t\tmargin-bottom: var(--ck-spacing-small);\n\t}\n\n\t&.ck-toolbar_vertical {\n\t\t/* Items in a vertical toolbar span the entire width. */\n\t\tpadding: 0;\n\n\t\t/* Specificity matters here. See https://github.com/ckeditor/ckeditor5-theme-lark/issues/168. */\n\t\t& > .ck-toolbar__items > .ck {\n\t\t\t/* Items in a vertical toolbar should span the horizontal space. */\n\t\t\twidth: 100%;\n\n\t\t\t/* Items in a vertical toolbar should have no margin. */\n\t\t\tmargin: 0;\n\n\t\t\t/* Items in a vertical toolbar span the entire width so rounded corners are pointless. */\n\t\t\tborder-radius: 0;\n\n\t\t\t/* Items in a vertical toolbar span the entire width so any border is pointless. */\n\t\t\tborder: 0;\n\t\t}\n\t}\n\n\t&.ck-toolbar_compact {\n\t\t/* No spacing around items. */\n\t\tpadding: 0;\n\n\t\t& > .ck-toolbar__items > * {\n\t\t\t/* Compact toolbar items have no spacing between them. */\n\t\t\tmargin: 0;\n\n\t\t\t/* "Middle" children should have no rounded corners. */\n\t\t\t&:not(:first-child):not(:last-child) {\n\t\t\t\tborder-radius: 0;\n\t\t\t}\n\t\t}\n\t}\n\n\t& > .ck.ck-toolbar__grouped-dropdown {\n\t\t/*\n\t\t * Dropdown button has asymmetric padding to fit the arrow.\n\t\t * This button has no arrow so let\'s revert that padding back to normal.\n\t\t */\n\t\t& > .ck.ck-button.ck-dropdown__button {\n\t\t\tpadding-left: var(--ck-spacing-tiny);\n\t\t}\n\t}\n\n\t@nest .ck-toolbar-container & {\n\t\tborder: 0;\n\t}\n}\n\n/* stylelint-disable */\n\n/*\n * Styles for RTL toolbars.\n *\n * Note: In some cases (e.g. a decoupled editor), the toolbar has its own "dir"\n * because its parent is not controlled by the editor framework.\n */\n[dir="rtl"] .ck.ck-toolbar,\n.ck.ck-toolbar[dir="rtl"] {\n\t& > .ck-toolbar__items > .ck {\n\t\tmargin-right: 0;\n\t}\n\n\t&:not(.ck-toolbar_compact) > .ck-toolbar__items > .ck {\n\t\t/* (#11) Separate toolbar items. */\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n\n\t& > .ck-toolbar__items > .ck:last-child {\n\t\tmargin-left: 0;\n\t}\n\n\t&.ck-toolbar_compact > .ck-toolbar__items > .ck {\n\t\t/* No rounded corners on the right side of the first child. */\n\t\t&:first-child {\n\t\t\tborder-top-left-radius: 0;\n\t\t\tborder-bottom-left-radius: 0;\n\t\t}\n\n\t\t/* No rounded corners on the left side of the last child. */\n\t\t&:last-child {\n\t\t\tborder-top-right-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\t}\n\n\t/* Separate the the separator form the grouping dropdown when some items are grouped. */\n\t& > .ck.ck-toolbar__separator {\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n\n\t/* Some spacing between the items and the separator before the grouped items dropdown. */\n\t&.ck-toolbar_grouping > .ck-toolbar__items:not(:empty):not(:only-child) {\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n}\n\n/*\n * Styles for LTR toolbars.\n *\n * Note: In some cases (e.g. a decoupled editor), the toolbar has its own "dir"\n * because its parent is not controlled by the editor framework.\n */\n[dir="ltr"] .ck.ck-toolbar,\n.ck.ck-toolbar[dir="ltr"] {\n\t& > .ck-toolbar__items > .ck:last-child {\n\t\tmargin-right: 0;\n\t}\n\n\t&.ck-toolbar_compact > .ck-toolbar__items > .ck {\n\t\t/* No rounded corners on the right side of the first child. */\n\t\t&:first-child {\n\t\t\tborder-top-right-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\n\t\t/* No rounded corners on the left side of the last child. */\n\t\t&:last-child {\n\t\t\tborder-top-left-radius: 0;\n\t\t\tborder-bottom-left-radius: 0;\n\t\t}\n\t}\n\n\t/* Separate the the separator form the grouping dropdown when some items are grouped. */\n\t& > .ck.ck-toolbar__separator {\n\t\tmargin-right: var(--ck-spacing-small);\n\t}\n\n\t/* Some spacing between the items and the separator before the grouped items dropdown. */\n\t&.ck-toolbar_grouping > .ck-toolbar__items:not(:empty):not(:only-child) {\n\t\tmargin-right: var(--ck-spacing-small);\n\t}\n}\n\n/* stylelint-enable */\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners .ck.ck-list,.ck.ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-list{list-style-type:none;background:var(--ck-color-list-background)}.ck.ck-list__item{cursor:default;min-width:12em}.ck.ck-list__item .ck-button{min-height:unset;width:100%;text-align:left;border-radius:0;padding:calc(var(--ck-line-height-base)*0.2*var(--ck-font-size-base)) calc(var(--ck-line-height-base)*0.4*var(--ck-font-size-base))}.ck.ck-list__item .ck-button .ck-button__label{line-height:calc(var(--ck-line-height-base)*1.2*var(--ck-font-size-base))}.ck.ck-list__item .ck-button:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on{background:var(--ck-color-list-button-on-background);color:var(--ck-color-list-button-on-text)}.ck.ck-list__item .ck-button.ck-on:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-on-background-focus)}.ck.ck-list__item .ck-button.ck-on:focus:not(.ck-disabled){border-color:var(--ck-color-base-background)}.ck.ck-list__item .ck-button:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background)}.ck.ck-list__item .ck-switchbutton.ck-on{background:var(--ck-color-list-background);color:inherit}.ck.ck-list__item .ck-switchbutton.ck-on:hover:not(.ck-disabled){background:var(--ck-color-list-button-hover-background);color:inherit}.ck.ck-list__separator{height:1px;width:100%;background:var(--ck-color-base-border)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/list/list.css","webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/mixins/_unselectable.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/list/list.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css"],names:[],mappings:"AAOA,YCEC,qBAAsB,CACtB,wBAAyB,CACzB,oBAAqB,CACrB,gBAAgB,CDFhB,YAAa,CACb,qBAcD,CAZC,2DAEC,aACD,CAKA,kCACC,iBAAkB,CAClB,2BACD,CEfD,YCEC,eDGD,CALA,+DCME,qCDDF,CALA,YAGC,oBAAqB,CACrB,0CACD,CAEA,kBACC,cAAe,CACf,cA2DD,CAzDC,6BACC,gBAAiB,CACjB,UAAW,CACX,eAAgB,CAChB,eAAgB,CAKhB,mIAiCD,CA7BC,+CAEC,yEACD,CAEA,oCACC,eACD,CAEA,mCACC,oDAAqD,CACrD,yCAaD,CAXC,0CACC,eACD,CAEA,2DACC,0DACD,CAEA,2DACC,4CACD,CAGD,qDACC,uDACD,CAMA,yCACC,0CAA2C,CAC3C,aAMD,CAJC,iEACC,uDAAwD,CACxD,aACD,CAKH,uBACC,UAAW,CACX,UAAW,CACX,sCACD",sourcesContent:['/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../mixins/_unselectable.css";\n\n.ck.ck-list {\n\t@mixin ck-unselectable;\n\n\tdisplay: flex;\n\tflex-direction: column;\n\n\t& .ck-list__item,\n\t& .ck-list__separator {\n\t\tdisplay: block;\n\t}\n\n\t/* Make sure that whatever child of the list item gets focus, it remains on the\n\ttop. Thanks to that, styles like box-shadow, outline, etc. are not masked by\n\tadjacent list items. */\n\t& .ck-list__item > *:focus {\n\t\tposition: relative;\n\t\tz-index: var(--ck-z-default);\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Makes element unselectable.\n */\n@define-mixin ck-unselectable {\n\t-moz-user-select: none;\n\t-webkit-user-select: none;\n\t-ms-user-select: none;\n\tuser-select: none\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_disabled.css";\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_shadow.css";\n\n.ck.ck-list {\n\t@mixin ck-rounded-corners;\n\n\tlist-style-type: none;\n\tbackground: var(--ck-color-list-background);\n}\n\n.ck.ck-list__item {\n\tcursor: default;\n\tmin-width: 12em;\n\n\t& .ck-button {\n\t\tmin-height: unset;\n\t\twidth: 100%;\n\t\ttext-align: left;\n\t\tborder-radius: 0;\n\n\t\t/* List items should have the same height. Use absolute units to make sure it is so\n\t\t because e.g. different heading styles may have different height\n\t\t https://github.com/ckeditor/ckeditor5-heading/issues/63 */\n\t\tpadding:\n\t\t\tcalc(.2 * var(--ck-line-height-base) * var(--ck-font-size-base))\n\t\t\tcalc(.4 * var(--ck-line-height-base) * var(--ck-font-size-base));\n\n\t\t& .ck-button__label {\n\t\t\t/* https://github.com/ckeditor/ckeditor5-heading/issues/63 */\n\t\t\tline-height: calc(1.2 * var(--ck-line-height-base) * var(--ck-font-size-base));\n\t\t}\n\n\t\t&:active {\n\t\t\tbox-shadow: none;\n\t\t}\n\n\t\t&.ck-on {\n\t\t\tbackground: var(--ck-color-list-button-on-background);\n\t\t\tcolor: var(--ck-color-list-button-on-text);\n\n\t\t\t&:active {\n\t\t\t\tbox-shadow: none;\n\t\t\t}\n\n\t\t\t&:hover:not(.ck-disabled) {\n\t\t\t\tbackground: var(--ck-color-list-button-on-background-focus);\n\t\t\t}\n\n\t\t\t&:focus:not(.ck-disabled) {\n\t\t\t\tborder-color: var(--ck-color-base-background);\n\t\t\t}\n\t\t}\n\n\t\t&:hover:not(.ck-disabled) {\n\t\t\tbackground: var(--ck-color-list-button-hover-background);\n\t\t}\n\t}\n\n\t/* It\'s unnecessary to change the background/text of a switch toggle; it has different ways\n\tof conveying its state (like the switcher) */\n\t& .ck-switchbutton {\n\t\t&.ck-on {\n\t\t\tbackground: var(--ck-color-list-background);\n\t\t\tcolor: inherit;\n\n\t\t\t&:hover:not(.ck-disabled) {\n\t\t\t\tbackground: var(--ck-color-list-button-hover-background);\n\t\t\t\tcolor: inherit;\n\t\t\t}\n\t\t}\n\t}\n}\n\n.ck.ck-list__separator {\n\theight: 1px;\n\twidth: 100%;\n\tbackground: var(--ck-color-base-border);\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,":root{--ck-toolbar-dropdown-max-width:60vw}.ck.ck-toolbar-dropdown>.ck-dropdown__panel{width:max-content;max-width:var(--ck-toolbar-dropdown-max-width)}.ck.ck-toolbar-dropdown>.ck-dropdown__panel .ck-button:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-toolbar-dropdown .ck-toolbar{border:0}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/dropdown/toolbardropdown.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/dropdown/toolbardropdown.css"],names:[],mappings:"AAKA,MACC,oCACD,CAEA,4CAEC,iBAAkB,CAClB,8CAOD,CAJE,6DACC,qCACD,CCZF,oCACC,QACD",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-toolbar-dropdown-max-width: 60vw;\n}\n\n.ck.ck-toolbar-dropdown > .ck-dropdown__panel {\n\t/* https://github.com/ckeditor/ckeditor5/issues/5586 */\n\twidth: max-content;\n\tmax-width: var(--ck-toolbar-dropdown-max-width);\n\n\t& .ck-button {\n\t\t&:focus {\n\t\t\tz-index: calc(var(--ck-z-default) + 1);\n\t\t}\n\t}\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n\n.ck.ck-dropdown .ck-dropdown__panel .ck-list {\n\t/* Disabled radius of top-left border to be consistent with .dropdown__button\n\thttps://github.com/ckeditor/ckeditor5/issues/816 */\n\t@mixin ck-rounded-corners {\n\t\tborder-top-left-radius: 0;\n\t}\n\n\t/* Make sure the button belonging to the first/last child of the list goes well with the\n\tborder radius of the entire panel. */\n\t& .ck-list__item {\n\t\t&:first-child .ck-button {\n\t\t\t@mixin ck-rounded-corners {\n\t\t\t\tborder-top-left-radius: 0;\n\t\t\t\tborder-bottom-left-radius: 0;\n\t\t\t\tborder-bottom-right-radius: 0;\n\t\t\t}\n\t\t}\n\n\t\t&:last-child .ck-button {\n\t\t\t@mixin ck-rounded-corners {\n\t\t\t\tborder-top-left-radius: 0;\n\t\t\t\tborder-top-right-radius: 0;\n\t\t\t}\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,":root{--ck-color-editable-blur-selection:#d9d9d9}.ck.ck-editor__editable:not(.ck-editor__nested-editable){border-radius:0}.ck-rounded-corners .ck.ck-editor__editable:not(.ck-editor__nested-editable),.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-editor__editable:not(.ck-editor__nested-editable).ck-focused{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0}.ck.ck-editor__editable_inline{overflow:auto;padding:0 var(--ck-spacing-standard);border:1px solid transparent}.ck.ck-editor__editable_inline[dir=ltr]{text-align:left}.ck.ck-editor__editable_inline[dir=rtl]{text-align:right}.ck.ck-editor__editable_inline>:first-child{margin-top:var(--ck-spacing-large)}.ck.ck-editor__editable_inline>:last-child{margin-bottom:var(--ck-spacing-large)}.ck.ck-editor__editable_inline.ck-blurred ::selection{background:var(--ck-color-editable-blur-selection)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_n]:after{border-bottom-color:var(--ck-color-base-foreground)}.ck.ck-balloon-panel.ck-toolbar-container[class*=arrow_s]:after{border-top-color:var(--ck-color-base-foreground)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/editorui/editorui.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_rounded.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_focus.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css"],names:[],mappings:"AAWA,MACC,0CACD,CAEA,yDCJC,eDWD,CAPA,yJCAE,qCDOF,CAJC,oEERA,YAAa,CACb,2BAA2B,CCF3B,qCHYA,CAGD,+BACC,aAAc,CACd,oCAAqC,CACrC,4BAwBD,CAtBC,wCACC,eACD,CAEA,wCACC,gBACD,CAGA,4CACC,kCACD,CAGA,2CACC,qCACD,CAGA,sDACC,kDACD,CAKA,gEACC,mDACD,CAIA,gEACC,gDACD",sourcesContent:['/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-labeled-field-view {\n\t& > .ck.ck-labeled-field-view__input-wrapper {\n\t\tdisplay: flex;\n\t\tposition: relative;\n\t}\n\n\t& .ck.ck-label {\n\t\tdisplay: block;\n\t\tposition: absolute;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n@import "../../../mixins/_rounded.css";\n\n:root {\n\t--ck-labeled-field-view-transition: .1s cubic-bezier(0, 0, 0.24, 0.95);\n\t--ck-labeled-field-empty-unfocused-max-width: 100% - 2 * var(--ck-spacing-medium);\n\t--ck-color-labeled-field-label-background: var(--ck-color-base-background);\n}\n\n.ck.ck-labeled-field-view {\n\t@mixin ck-rounded-corners;\n\n\t& > .ck.ck-labeled-field-view__input-wrapper {\n\t\twidth: 100%;\n\n\t\t& > .ck.ck-label {\n\t\t\ttop: 0px;\n\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tleft: 0px;\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tright: 0px;\n\t\t\t}\n\n\t\t\tpointer-events: none;\n\t\t\ttransform-origin: 0 0;\n\n\t\t\t/* By default, display the label scaled down above the field. */\n\t\t\ttransform: translate(var(--ck-spacing-medium), -6px) scale(.75);\n\n\t\t\tbackground: var(--ck-color-labeled-field-label-background);\n\t\t\tpadding: 0 calc(.5 * var(--ck-font-size-tiny));\n\t\t\tline-height: initial;\n\t\t\tfont-weight: normal;\n\n\t\t\t/* Prevent overflow when the label is longer than the input */\n\t\t\ttext-overflow: ellipsis;\n\t\t\toverflow: hidden;\n\n\t\t\tmax-width: 100%;\n\n\t\t\ttransition:\n\t\t\t\ttransform var(--ck-labeled-field-view-transition),\n\t\t\t\tpadding var(--ck-labeled-field-view-transition),\n\t\t\t\tbackground var(--ck-labeled-field-view-transition);\n\t\t}\n\t}\n\n\t&.ck-error {\n\t\t& > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\n\t\t\tcolor: var(--ck-color-base-error);\n\t\t}\n\n\t\t& .ck-input:not([readonly]) + .ck.ck-label {\n\t\t\tcolor: var(--ck-color-base-error);\n\t\t}\n\t}\n\n\t& .ck-labeled-field-view__status {\n\t\tfont-size: var(--ck-font-size-small);\n\t\tmargin-top: var(--ck-spacing-small);\n\n\t\t/* Let the info wrap to the next line to avoid stretching the layout horizontally.\n\t\tThe status could be very long. */\n\t\twhite-space: normal;\n\n\t\t&.ck-labeled-field-view__status_error {\n\t\t\tcolor: var(--ck-color-base-error);\n\t\t}\n\t}\n\n\t/* Disabled fields and fields that have no focus should fade out. */\n\t&.ck-disabled > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label,\n\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused) > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\n\t\tcolor: var(--ck-color-input-disabled-text);\n\t}\n\n\t/* Fields that are disabled or not focused and without a placeholder should have full-sized labels. */\n\t/* stylelint-disable-next-line no-descending-specificity */\n\t&.ck-disabled > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label,\n\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder) > .ck.ck-labeled-field-view__input-wrapper > .ck.ck-label {\n\t\t@mixin ck-dir ltr {\n\t\t\ttransform: translate(var(--ck-spacing-medium), calc(0.6 * var(--ck-font-size-base))) scale(1);\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\ttransform: translate(calc(-1 * var(--ck-spacing-medium)), calc(0.6 * var(--ck-font-size-base))) scale(1);\n\t\t}\n\n\t\t/* Compensate for the default translate position. */\n\t\tmax-width: calc(var(--ck-labeled-field-empty-unfocused-max-width));\n\n\t\tbackground: transparent;\n\t\tpadding: 0;\n\t}\n\n\t/*------ DropdownView integration ----------------------------------------------------------------------------------- */\n\n\t/* Make sure dropdown\' background color in any of dropdown\'s state does not collide with labeled field. */\n\t& > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown > .ck.ck-button {\n\t\tbackground: transparent;\n\t}\n\n\t/* When the dropdown is "empty", the labeled field label replaces its label. */\n\t&.ck-labeled-field-view_empty > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown > .ck-button > .ck-button__label {\n\t\topacity: 0;\n\t}\n\n\t/* Make sure the label of the empty, unfocused input does not cover the dropdown arrow. */\n\t&.ck-labeled-field-view_empty:not(.ck-labeled-field-view_focused):not(.ck-labeled-field-view_placeholder) > .ck.ck-labeled-field-view__input-wrapper > .ck-dropdown + .ck-label {\n\t\tmax-width: calc(var(--ck-labeled-field-empty-unfocused-max-width) - var(--ck-dropdown-arrow-size) - var(--ck-spacing-standard));\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,':root{--ck-balloon-panel-arrow-z-index:calc(var(--ck-z-default) - 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* Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t/* Make sure the balloon arrow does not float over its children. */\n\t--ck-balloon-panel-arrow-z-index: calc(var(--ck-z-default) - 3);\n}\n\n.ck.ck-balloon-panel {\n\tdisplay: none;\n\tposition: absolute;\n\n\tz-index: var(--ck-z-modal);\n\n\t&.ck-balloon-panel_with-arrow {\n\t\t&::before,\n\t\t&::after {\n\t\t\tcontent: "";\n\t\t\tposition: absolute;\n\t\t}\n\n\t\t&::before {\n\t\t\tz-index: var(--ck-balloon-panel-arrow-z-index);\n\t\t}\n\n\t\t&::after {\n\t\t\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\n\t\t}\n\t}\n\n\t&[class*="arrow_n"] {\n\t\t&::before {\n\t\t\tz-index: var(--ck-balloon-panel-arrow-z-index);\n\t\t}\n\n\t\t&::after {\n\t\t\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\n\t\t}\n\t}\n\n\t&[class*="arrow_s"] {\n\t\t&::before {\n\t\t\tz-index: var(--ck-balloon-panel-arrow-z-index);\n\t\t}\n\n\t\t&::after {\n\t\t\tz-index: calc(var(--ck-balloon-panel-arrow-z-index) + 1);\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_visible {\n\t\tdisplay: block;\n\t}\n}\n','/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_rounded.css";\n@import "../../../mixins/_shadow.css";\n\n:root {\n\t--ck-balloon-arrow-offset: 2px;\n\t--ck-balloon-arrow-height: 10px;\n\t--ck-balloon-arrow-half-width: 8px;\n\t--ck-balloon-arrow-drop-shadow: 0 2px 2px var(--ck-color-shadow-drop);\n}\n\n.ck.ck-balloon-panel {\n\t@mixin ck-rounded-corners;\n\t@mixin ck-drop-shadow;\n\n\tmin-height: 15px;\n\n\tbackground: var(--ck-color-panel-background);\n\tborder: 1px solid var(--ck-color-panel-border);\n\n\t&.ck-balloon-panel_with-arrow {\n\t\t&::before,\n\t\t&::after {\n\t\t\twidth: 0;\n\t\t\theight: 0;\n\t\t\tborder-style: solid;\n\t\t}\n\t}\n\n\t&[class*="arrow_n"] {\n\t\t&::before,\n\t\t&::after {\n\t\t\tborder-width: 0 var(--ck-balloon-arrow-half-width) var(--ck-balloon-arrow-height) var(--ck-balloon-arrow-half-width);\n\t\t}\n\n\t\t&::before {\n\t\t\tborder-color: transparent transparent var(--ck-color-panel-border) transparent;\n\t\t}\n\n\t\t&::after {\n\t\t\tborder-color: transparent transparent var(--ck-color-panel-background) transparent;\n\t\t\tmargin-top: var(--ck-balloon-arrow-offset);\n\t\t}\n\t}\n\n\t&[class*="arrow_s"] {\n\t\t&::before,\n\t\t&::after {\n\t\t\tborder-width: var(--ck-balloon-arrow-height) var(--ck-balloon-arrow-half-width) 0 var(--ck-balloon-arrow-half-width);\n\t\t}\n\n\t\t&::before {\n\t\t\tborder-color: var(--ck-color-panel-border) transparent transparent;\n\t\t\tfilter: drop-shadow(var(--ck-balloon-arrow-drop-shadow));\n\t\t}\n\n\t\t&::after {\n\t\t\tborder-color: var(--ck-color-panel-background) transparent transparent transparent;\n\t\t\tmargin-bottom: var(--ck-balloon-arrow-offset);\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_n {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 50%;\n\t\t\tmargin-left: calc(-1 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_nw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_ne {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_s {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 50%;\n\t\t\tmargin-left: calc(-1 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_sw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_se {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_sme {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: 25%;\n\t\t\tmargin-right: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_smw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 25%;\n\t\t\tmargin-left: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\tbottom: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_nme {\n\t\t&::before,\n\t\t&::after {\n\t\t\tright: 25%;\n\t\t\tmargin-right: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n\n\t&.ck-balloon-panel_arrow_nmw {\n\t\t&::before,\n\t\t&::after {\n\t\t\tleft: 25%;\n\t\t\tmargin-left: calc(2 * var(--ck-balloon-arrow-half-width));\n\t\t\ttop: calc(-1 * var(--ck-balloon-arrow-height));\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck .ck-balloon-rotator__navigation{display:flex;align-items:center;justify-content:center}.ck .ck-balloon-rotator__content .ck-toolbar{justify-content:center}.ck .ck-balloon-rotator__navigation{background:var(--ck-color-toolbar-background);border-bottom:1px solid var(--ck-color-toolbar-border);padding:0 var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation>*{margin-right:var(--ck-spacing-small);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation .ck-balloon-rotator__counter{margin-right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-small)}.ck .ck-balloon-rotator__content .ck.ck-annotation-wrapper{box-shadow:none}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/balloonrotator.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/balloonrotator.css"],names:[],mappings:"AAKA,oCACC,YAAa,CACb,kBAAmB,CACnB,sBACD,CAKA,6CACC,sBACD,CCXA,oCACC,6CAA8C,CAC9C,sDAAuD,CACvD,iCAgBD,CAbC,sCACC,oCAAqC,CACrC,kCAAmC,CACnC,qCACD,CAGA,iEACC,uCAAwC,CAGxC,mCACD,CAMA,2DACC,eACD",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-balloon-rotator__navigation {\n\tdisplay: flex;\n\talign-items: center;\n\tjustify-content: center;\n}\n\n/* Buttons inside a toolbar should be centered when rotator bar is wider.\n * See: https://github.com/ckeditor/ckeditor5-ui/issues/495\n */\n.ck .ck-balloon-rotator__content .ck-toolbar {\n\tjustify-content: center;\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-balloon-rotator__navigation {\n\tbackground: var(--ck-color-toolbar-background);\n\tborder-bottom: 1px solid var(--ck-color-toolbar-border);\n\tpadding: 0 var(--ck-spacing-small);\n\n\t/* Let's keep similar appearance to `ck-toolbar`. */\n\t& > * {\n\t\tmargin-right: var(--ck-spacing-small);\n\t\tmargin-top: var(--ck-spacing-small);\n\t\tmargin-bottom: var(--ck-spacing-small);\n\t}\n\n\t/* Gives counter more breath than buttons. */\n\t& .ck-balloon-rotator__counter {\n\t\tmargin-right: var(--ck-spacing-standard);\n\n\t\t/* We need to use smaller margin because of previous button's right margin. */\n\t\tmargin-left: var(--ck-spacing-small);\n\t}\n}\n\n.ck .ck-balloon-rotator__content {\n\n\t/* Disable default annotation shadow inside rotator with fake panels. */\n\t& .ck.ck-annotation-wrapper {\n\t\tbox-shadow: none;\n\t}\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck .ck-fake-panel{position:absolute;z-index:calc(var(--ck-z-modal) - 1)}.ck .ck-fake-panel div{position:absolute}.ck .ck-fake-panel div:first-child{z-index:2}.ck .ck-fake-panel div:nth-child(2){z-index:1}:root{--ck-balloon-fake-panel-offset-horizontal:6px;--ck-balloon-fake-panel-offset-vertical:6px}.ck .ck-fake-panel div{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/fakepanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/fakepanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css"],names:[],mappings:"AAKA,mBACC,iBAAkB,CAGlB,mCACD,CAEA,uBACC,iBACD,CAEA,mCACC,SACD,CAEA,oCACC,SACD,CCfA,MACC,6CAA8C,CAC9C,2CACD,CAGA,uBCJC,oCAA8B,CDO9B,eAAgB,CAEhB,2CAA4C,CAC5C,6CAA8C,CAC9C,qCAAsC,CAEtC,UAAW,CACX,WACD,CAEA,mCACC,0DAA2D,CAC3D,uDACD,CAEA,oCACC,kEAAqE,CACrE,+DACD,CACA,oCACC,kEAAqE,CACrE,+DACD,CAGA,yIAGC,4CACD",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-fake-panel {\n\tposition: absolute;\n\n\t/* Fake panels should be placed under main balloon content. */\n\tz-index: calc(var(--ck-z-modal) - 1);\n}\n\n.ck .ck-fake-panel div {\n\tposition: absolute;\n}\n\n.ck .ck-fake-panel div:nth-child( 1 ) {\n\tz-index: 2;\n}\n\n.ck .ck-fake-panel div:nth-child( 2 ) {\n\tz-index: 1;\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_shadow.css";\n\n:root {\n\t--ck-balloon-fake-panel-offset-horizontal: 6px;\n\t--ck-balloon-fake-panel-offset-vertical: 6px;\n}\n\n/* Let\'s use `.ck-balloon-panel` appearance. See: balloonpanel.css. */\n.ck .ck-fake-panel div {\n\t@mixin ck-drop-shadow;\n\n\tmin-height: 15px;\n\n\tbackground: var(--ck-color-panel-background);\n\tborder: 1px solid var(--ck-color-panel-border);\n\tborder-radius: var(--ck-border-radius);\n\n\twidth: 100%;\n\theight: 100%;\n}\n\n.ck .ck-fake-panel div:nth-child( 1 ) {\n\tmargin-left: var(--ck-balloon-fake-panel-offset-horizontal);\n\tmargin-top: var(--ck-balloon-fake-panel-offset-vertical);\n}\n\n.ck .ck-fake-panel div:nth-child( 2 ) {\n\tmargin-left: calc(var(--ck-balloon-fake-panel-offset-horizontal) * 2);\n\tmargin-top: calc(var(--ck-balloon-fake-panel-offset-vertical) * 2);\n}\n.ck .ck-fake-panel div:nth-child( 3 ) {\n\tmargin-left: calc(var(--ck-balloon-fake-panel-offset-horizontal) * 3);\n\tmargin-top: calc(var(--ck-balloon-fake-panel-offset-vertical) * 3);\n}\n\n/* If balloon is positioned above element, we need to move fake panel to the top. */\n.ck .ck-balloon-panel_arrow_s + .ck-fake-panel,\n.ck .ck-balloon-panel_arrow_se + .ck-fake-panel,\n.ck .ck-balloon-panel_arrow_sw + .ck-fake-panel {\n\t--ck-balloon-fake-panel-offset-vertical: -6px;\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-sticky-panel .ck-sticky-panel__content_sticky{z-index:var(--ck-z-modal);position:fixed;top:0}.ck.ck-sticky-panel .ck-sticky-panel__content_sticky_bottom-limit{top:auto;position:absolute}.ck.ck-sticky-panel .ck-sticky-panel__content_sticky{box-shadow:var(--ck-drop-shadow),0 0;border-width:0 1px 1px;border-top-left-radius:0;border-top-right-radius:0}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/panel/stickypanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/panel/stickypanel.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/mixins/_shadow.css"],names:[],mappings:"AAMC,qDACC,yBAA0B,CAC1B,cAAe,CACf,KACD,CAEA,kEACC,QAAS,CACT,iBACD,CCPA,qDCCA,oCAA8B,CDE7B,sBAAuB,CACvB,wBAAyB,CACzB,yBACD",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-sticky-panel {\n\t& .ck-sticky-panel__content_sticky {\n\t\tz-index: var(--ck-z-modal); /* #315 */\n\t\tposition: fixed;\n\t\ttop: 0;\n\t}\n\n\t& .ck-sticky-panel__content_sticky_bottom-limit {\n\t\ttop: auto;\n\t\tposition: absolute;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../../../mixins/_shadow.css";\n\n.ck.ck-sticky-panel {\n\t& .ck-sticky-panel__content_sticky {\n\t\t@mixin ck-drop-shadow;\n\n\t\tborder-width: 0 1px 1px;\n\t\tborder-top-left-radius: 0;\n\t\tborder-top-right-radius: 0;\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-block-toolbar-button{position:absolute;z-index:var(--ck-z-default)}:root{--ck-color-block-toolbar-button:var(--ck-color-text);--ck-block-toolbar-button-size:var(--ck-font-size-normal)}.ck.ck-block-toolbar-button{color:var(--ck-color-block-toolbar-button);font-size:var(--ck-block-toolbar-size)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-ui/theme/components/toolbar/blocktoolbar.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-ui/components/toolbar/blocktoolbar.css"],names:[],mappings:"AAKA,4BACC,iBAAkB,CAClB,2BACD,CCHA,MACC,oDAAqD,CACrD,yDACD,CAEA,4BACC,0CAA2C,CAC3C,sCACD",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-block-toolbar-button {\n\tposition: absolute;\n\tz-index: var(--ck-z-default);\n}\n","/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck .ck-widget {\n\t/*\n\t * Styles of the type around buttons\n\t */\n\t& .ck-widget__type-around__button {\n\t\tdisplay: block;\n\t\tposition: absolute;\n\t\toverflow: hidden;\n\t\tz-index: var(--ck-z-default);\n\n\t\t& svg {\n\t\t\tposition: absolute;\n\t\t\ttop: 50%;\n\t\t\tleft: 50%;\n\t\t\tz-index: calc(var(--ck-z-default) + 2);\n\t\t}\n\n\t\t&.ck-widget__type-around__button_before {\n\t\t\t/* Place it in the middle of the outline */\n\t\t\ttop: calc(-0.5 * var(--ck-widget-outline-thickness));\n\t\t\tleft: min(10%, 30px);\n\n\t\t\ttransform: translateY(-50%);\n\t\t}\n\n\t\t&.ck-widget__type-around__button_after {\n\t\t\t/* Place it in the middle of the outline */\n\t\t\tbottom: calc(-0.5 * var(--ck-widget-outline-thickness));\n\t\t\tright: min(10%, 30px);\n\n\t\t\ttransform: translateY(50%);\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the buttons when:\n\t * - the widget is selected,\n\t * - or the button is being hovered (regardless of the widget state).\n\t */\n\t&.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button,\n\t& > .ck-widget__type-around > .ck-widget__type-around__button:hover {\n\t\t&::after {\n\t\t\tcontent: "";\n\t\t\tdisplay: block;\n\t\t\tposition: absolute;\n\t\t\ttop: 1px;\n\t\t\tleft: 1px;\n\t\t\tz-index: calc(var(--ck-z-default) + 1);\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the horizontal "fake caret" which is displayed when the user navigates using the keyboard.\n\t */\n\t& > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\tdisplay: none;\n\t\tposition: absolute;\n\t\tleft: 0;\n\t\tright: 0;\n\t}\n\n\t/*\n\t * When the widget is hovered the "fake caret" would normally be narrower than the\n\t * extra outline displayed around the widget. Let\'s extend the "fake caret" to match\n\t * the full width of the widget.\n\t */\n\t&:hover > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\tleft: calc( -1 * var(--ck-widget-outline-thickness) );\n\t\tright: calc( -1 * var(--ck-widget-outline-thickness) );\n\t}\n\n\t/*\n\t * Styles for the horizontal "fake caret" when it should be displayed before the widget (backward keyboard navigation).\n\t */\n\t&.ck-widget_type-around_show-fake-caret_before > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\ttop: calc( -1 * var(--ck-widget-outline-thickness) - 1px );\n\t\tdisplay: block;\n\t}\n\n\t/*\n\t * Styles for the horizontal "fake caret" when it should be displayed after the widget (forward keyboard navigation).\n\t */\n\t&.ck-widget_type-around_show-fake-caret_after > .ck-widget__type-around > .ck-widget__type-around__fake-caret {\n\t\tbottom: calc( -1 * var(--ck-widget-outline-thickness) - 1px );\n\t\tdisplay: block;\n\t}\n}\n\n/*\n * Integration with the read-only mode of the editor.\n */\n.ck.ck-editor__editable.ck-read-only .ck-widget__type-around {\n\tdisplay: none;\n}\n\n/*\n * Integration with the restricted editing mode (feature) of the editor.\n */\n.ck.ck-editor__editable.ck-restricted-editing_mode_restricted .ck-widget__type-around {\n\tdisplay: none;\n}\n\n/*\n * Integration with the #isEnabled property of the WidgetTypeAround plugin.\n */\n.ck.ck-editor__editable.ck-widget__type-around_disabled .ck-widget__type-around {\n\tdisplay: none;\n}\n','/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-widget-type-around-button-size: 20px;\n\t--ck-color-widget-type-around-button-active: var(--ck-color-focus-border);\n\t--ck-color-widget-type-around-button-hover: var(--ck-color-widget-hover-border);\n\t--ck-color-widget-type-around-button-blurred-editable: var(--ck-color-widget-blurred-border);\n\t--ck-color-widget-type-around-button-radar-start-alpha: 0;\n\t--ck-color-widget-type-around-button-radar-end-alpha: .3;\n\t--ck-color-widget-type-around-button-icon: var(--ck-color-base-background);\n}\n\n@define-mixin ck-widget-type-around-button-visible {\n\topacity: 1;\n\tpointer-events: auto;\n}\n\n@define-mixin ck-widget-type-around-button-hidden {\n\topacity: 0;\n\tpointer-events: none;\n}\n\n.ck .ck-widget {\n\t/*\n\t * Styles of the type around buttons\n\t */\n\t& .ck-widget__type-around__button {\n\t\twidth: var(--ck-widget-type-around-button-size);\n\t\theight: var(--ck-widget-type-around-button-size);\n\t\tbackground: var(--ck-color-widget-type-around-button);\n\t\tborder-radius: 100px;\n\t\ttransition: opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve), background var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);\n\n\t\t@mixin ck-widget-type-around-button-hidden;\n\n\t\t& svg {\n\t\t\twidth: 10px;\n\t\t\theight: 8px;\n\t\t\ttransform: translate(-50%,-50%);\n\t\t\ttransition: transform .5s ease;\n\t\t\tmargin-top: 1px;\n\n\t\t\t& * {\n\t\t\t\tstroke-dasharray: 10;\n\t\t\t\tstroke-dashoffset: 0;\n\n\t\t\t\tfill: none;\n\t\t\t\tstroke: var(--ck-color-widget-type-around-button-icon);\n\t\t\t\tstroke-width: 1.5px;\n\t\t\t\tstroke-linecap: round;\n\t\t\t\tstroke-linejoin: round;\n\t\t\t}\n\n\t\t\t& line {\n\t\t\t\tstroke-dasharray: 7;\n\t\t\t}\n\t\t}\n\n\t\t&:hover {\n\t\t\t/*\n\t\t\t * Display the "sonar" around the button when hovered.\n\t\t\t */\n\t\t\tanimation: ck-widget-type-around-button-sonar 1s ease infinite;\n\n\t\t\t/*\n\t\t\t * Animate active button\'s icon.\n\t\t\t */\n\t\t\t& svg {\n\t\t\t\t& polyline {\n\t\t\t\t\tanimation: ck-widget-type-around-arrow-dash 2s linear;\n\t\t\t\t}\n\n\t\t\t\t& line {\n\t\t\t\t\tanimation: ck-widget-type-around-arrow-tip-dash 2s linear;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/*\n\t * Show type around buttons when the widget gets selected or being hovered.\n\t */\n\t&.ck-widget_selected,\n\t&:hover {\n\t\t& > .ck-widget__type-around > .ck-widget__type-around__button {\n\t\t\t@mixin ck-widget-type-around-button-visible;\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the buttons when the widget is NOT selected (but the buttons are visible\n\t * and still can be hovered).\n\t */\n\t&:not(.ck-widget_selected) > .ck-widget__type-around > .ck-widget__type-around__button {\n\t\tbackground: var(--ck-color-widget-type-around-button-hover);\n\t}\n\n\t/*\n\t * Styles for the buttons when:\n\t * - the widget is selected,\n\t * - or the button is being hovered (regardless of the widget state).\n\t */\n\t&.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button,\n\t& > .ck-widget__type-around > .ck-widget__type-around__button:hover {\n\t\tbackground: var(--ck-color-widget-type-around-button-active);\n\n\t\t&::after {\n\t\t\twidth: calc(var(--ck-widget-type-around-button-size) - 2px);\n\t\t\theight: calc(var(--ck-widget-type-around-button-size) - 2px);\n\t\t\tborder-radius: 100px;\n\t\t\tbackground: linear-gradient(135deg, hsla(0,0%,100%,0) 0%, hsla(0,0%,100%,.3) 100%);\n\t\t}\n\t}\n\n\t/*\n\t * Styles for the "before" button when the widget has a selection handle. Because some space\n\t * is consumed by the handle, the button must be moved slightly to the right to let it breathe.\n\t */\n\t&.ck-widget_with-selection-handle > .ck-widget__type-around > .ck-widget__type-around__button_before {\n\t\tmargin-left: 20px;\n\t}\n\n\t/*\n\t * Styles for the horizontal "fake caret" which is displayed when the user navigates using the keyboard.\n\t */\n\t& .ck-widget__type-around__fake-caret {\n\t\tpointer-events: none;\n\t\theight: 1px;\n\t\tanimation: ck-widget-type-around-fake-caret-pulse linear 1s infinite normal forwards;\n\n\t\t/*\n\t\t * The semi-transparent-outline+background combo improves the contrast\n\t\t * when the background underneath the fake caret is dark.\n\t\t */\n\t\toutline: solid 1px hsla(0, 0%, 100%, .5);\n\t\tbackground: var(--ck-color-base-text);\n\t}\n\n\t/*\n\t * Styles of the widget when the "fake caret" is blinking (e.g. upon keyboard navigation).\n\t * Despite the widget being physically selected in the model, its outline should disappear.\n\t */\n\t&.ck-widget_selected {\n\t\t&.ck-widget_type-around_show-fake-caret_before,\n\t\t&.ck-widget_type-around_show-fake-caret_after {\n\t\t\toutline-color: transparent;\n\t\t}\n\t}\n\n\t&.ck-widget_type-around_show-fake-caret_before,\n\t&.ck-widget_type-around_show-fake-caret_after {\n\t\t/*\n\t\t * When the "fake caret" is visible we simulate that the widget is not selected\n\t\t * (despite being physically selected), so the outline color should be for the\n\t\t * unselected widget.\n\t\t */\n\t\t&.ck-widget_selected:hover {\n\t\t\toutline-color: var(--ck-color-widget-hover-border);\n\t\t}\n\n\t\t/*\n\t\t * Styles of the type around buttons when the "fake caret" is blinking (e.g. upon keyboard navigation).\n\t\t * In this state, the type around buttons would collide with the fake carets so they should disappear.\n\t\t */\n\t\t& > .ck-widget__type-around > .ck-widget__type-around__button {\n\t\t\t@mixin ck-widget-type-around-button-hidden;\n\t\t}\n\n\t\t/*\n\t\t * Fake horizontal caret integration with the selection handle. When the caret is visible, simply\n\t\t * hide the handle because it intersects with the caret (and does not make much sense anyway).\n\t\t */\n\t\t&.ck-widget_with-selection-handle {\n\t\t\t&.ck-widget_selected,\n\t\t\t&.ck-widget_selected:hover {\n\t\t\t\t& > .ck-widget__selection-handle {\n\t\t\t\t\topacity: 0\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t/*\n\t\t * Fake horizontal caret integration with the resize UI. When the caret is visible, simply\n\t\t * hide the resize UI because it creates too much noise. It can be visible when the user\n\t\t * hovers the widget, though.\n\t\t */\n\t\t&.ck-widget_selected.ck-widget_with-resizer > .ck-widget__resizer {\n\t\t\topacity: 0\n\t\t}\n\t}\n}\n\n/*\n * Styles for the "before" button when the widget has a selection handle in an RTL environment.\n * The selection handler is aligned to the right side of the widget so there is no need to create\n * additional space for it next to the "before" button.\n */\n.ck[dir="rtl"] .ck-widget.ck-widget_with-selection-handle .ck-widget__type-around > .ck-widget__type-around__button_before {\n\tmargin-left: 0;\n\tmargin-right: 20px;\n}\n\n/*\n * Hide type around buttons when the widget is selected as a child of a selected\n * nested editable (e.g. mulit-cell table selection).\n *\n * See https://github.com/ckeditor/ckeditor5/issues/7263.\n */\n.ck-editor__nested-editable.ck-editor__editable_selected {\n\t& .ck-widget {\n\t\t&.ck-widget_selected,\n\t\t&:hover {\n\t\t\t& > .ck-widget__type-around > .ck-widget__type-around__button {\n\t\t\t\t@mixin ck-widget-type-around-button-hidden;\n\t\t\t}\n\t\t}\n\t}\n}\n\n/*\n * Styles for the buttons when the widget is selected but the user clicked outside of the editor (blurred the editor).\n */\n.ck-editor__editable.ck-blurred .ck-widget.ck-widget_selected > .ck-widget__type-around > .ck-widget__type-around__button:not(:hover) {\n\tbackground: var(--ck-color-widget-type-around-button-blurred-editable);\n\n\t& svg * {\n\t\tstroke: hsl(0,0%,60%);\n\t}\n}\n\n@keyframes ck-widget-type-around-arrow-dash {\n\t0% {\n\t\tstroke-dashoffset: 10;\n\t}\n\t20%, 100% {\n\t\tstroke-dashoffset: 0;\n\t}\n}\n\n@keyframes ck-widget-type-around-arrow-tip-dash {\n\t0%, 20% {\n\t\tstroke-dashoffset: 7;\n\t}\n\t40%, 100% {\n\t\tstroke-dashoffset: 0;\n\t}\n}\n\n@keyframes ck-widget-type-around-button-sonar {\n\t0% {\n\t\tbox-shadow: 0 0 0 0 hsla(var(--ck-color-focus-border-coordinates), var(--ck-color-widget-type-around-button-radar-start-alpha));\n\t}\n\t50% 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n:root {\n\t--ck-color-resizer: var(--ck-color-focus-border);\n\t--ck-color-resizer-tooltip-background: hsl(0, 0%, 15%);\n\t--ck-color-resizer-tooltip-text: hsl(0, 0%, 95%);\n\n\t--ck-resizer-border-radius: var(--ck-border-radius);\n\t--ck-resizer-tooltip-offset: 10px;\n}\n\n.ck .ck-widget {\n\t/* This is neccessary for type around UI to be positioned properly. */\n\tposition: relative;\n}\n\n.ck .ck-widget.ck-widget_with-selection-handle {\n\t/* Make the widget wrapper a relative positioning container for the drag handle. */\n\tposition: relative;\n\n\t& .ck-widget__selection-handle {\n\t\tposition: absolute;\n\n\t\t& .ck-icon {\n\t\t\t/* Make sure the icon in not a subject to font-size or line-height to avoid\n\t\t\tunnecessary spacing around it. */\n\t\t\tdisplay: block;\n\t\t}\n\t}\n\n\t/* Show the selection handle on mouse hover over the widget. */\n\t&:hover {\n\t\t& .ck-widget__selection-handle {\n\t\t\tvisibility: visible;\n\t\t}\n\t}\n\n\t/* Show the selection handle when the widget is selected. */\n\t&.ck-widget_selected .ck-widget__selection-handle {\n\t\tvisibility: visible;\n\t}\n}\n\n.ck .ck-size-view {\n\tbackground: var(--ck-color-resizer-tooltip-background);\n\tcolor: var(--ck-color-resizer-tooltip-text);\n\tborder: 1px solid var(--ck-color-resizer-tooltip-text);\n\tborder-radius: var(--ck-resizer-border-radius);\n\tfont-size: var(--ck-font-size-tiny);\n\tdisplay: block;\n\tpadding: var(--ck-spacing-small);\n\n\t&.ck-orientation-top-left,\n\t&.ck-orientation-top-right,\n\t&.ck-orientation-bottom-right,\n\t&.ck-orientation-bottom-left {\n\t\tposition: absolute;\n\t}\n\n\t&.ck-orientation-top-left {\n\t\ttop: var(--ck-resizer-tooltip-offset);\n\t\tleft: var(--ck-resizer-tooltip-offset);\n\t}\n\n\t&.ck-orientation-top-right {\n\t\ttop: var(--ck-resizer-tooltip-offset);\n\t\tright: var(--ck-resizer-tooltip-offset);\n\t}\n\n\t&.ck-orientation-bottom-right {\n\t\tbottom: var(--ck-resizer-tooltip-offset);\n\t\tright: var(--ck-resizer-tooltip-offset);\n\t}\n\n\t&.ck-orientation-bottom-left {\n\t\tbottom: var(--ck-resizer-tooltip-offset);\n\t\tleft: var(--ck-resizer-tooltip-offset);\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "../mixins/_focus.css";\n@import "../mixins/_shadow.css";\n\n:root {\n\t--ck-widget-outline-thickness: 3px;\n\t--ck-widget-handler-icon-size: 16px;\n\t--ck-widget-handler-animation-duration: 200ms;\n\t--ck-widget-handler-animation-curve: ease;\n\n\t--ck-color-widget-blurred-border: hsl(0, 0%, 87%);\n\t--ck-color-widget-hover-border: hsl(43, 100%, 62%);\n\t--ck-color-widget-editable-focus-background: var(--ck-color-base-background);\n\t--ck-color-widget-drag-handler-icon-color: var(--ck-color-base-background);\n}\n\n.ck .ck-widget {\n\toutline-width: var(--ck-widget-outline-thickness);\n\toutline-style: solid;\n\toutline-color: transparent;\n\ttransition: outline-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);\n\n\t&.ck-widget_selected,\n\t&.ck-widget_selected:hover {\n\t\toutline: var(--ck-widget-outline-thickness) solid var(--ck-color-focus-border);\n\t}\n\n\t&:hover {\n\t\toutline-color: var(--ck-color-widget-hover-border);\n\t}\n}\n\n.ck .ck-editor__nested-editable {\n\tborder: 1px solid transparent;\n\n\t/* The :focus style is applied before .ck-editor__nested-editable_focused class is rendered in the view.\n\tThese styles show a different border for a blink of an eye, so `:focus` need to have same styles applied. */\n\t&.ck-editor__nested-editable_focused,\n\t&:focus {\n\t\t@mixin ck-focus-ring;\n\t\t@mixin ck-box-shadow var(--ck-inner-shadow);\n\n\t\tbackground-color: var(--ck-color-widget-editable-focus-background);\n\t}\n}\n\n.ck .ck-widget.ck-widget_with-selection-handle {\n\t& .ck-widget__selection-handle {\n\t\tpadding: 4px;\n\t\tbox-sizing: border-box;\n\n\t\t/* Background and opacity will be animated as the handler shows up or the widget gets selected. */\n\t\tbackground-color: transparent;\n\t\topacity: 0;\n\n\t\t/* Transition:\n\t\t * background-color for the .ck-widget_selected state change,\n\t\t * visibility for hiding the handler,\n\t\t * opacity for the proper look of the icon when the handler disappears. */\n\t\ttransition:\n\t\t\tbackground-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),\n\t\t\tvisibility var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),\n\t\t\topacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);\n\n\t\t/* Make only top corners round. */\n\t\tborder-radius: var(--ck-border-radius) var(--ck-border-radius) 0 0;\n\n\t\t/* Place the drag handler outside the widget wrapper. */\n\t\ttransform: translateY(-100%);\n\t\tleft: calc(0px - var(--ck-widget-outline-thickness));\n\n\t\t& .ck-icon {\n\t\t\t/* Make sure the dimensions of the icon are independent of the fon-size of the content. */\n\t\t\twidth: var(--ck-widget-handler-icon-size);\n\t\t\theight: var(--ck-widget-handler-icon-size);\n\t\t\tcolor: var(--ck-color-widget-drag-handler-icon-color);\n\n\t\t\t/* The "selected" part of the icon is invisible by default */\n\t\t\t& .ck-icon__selected-indicator {\n\t\t\t\topacity: 0;\n\n\t\t\t\t/* Note: The animation is longer on purpose. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * A helper to combine multiple shadows.\n */\n@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {\n\tbox-shadow: $shadowA, $shadowB;\n}\n\n/**\n * Gives an element a drop shadow so it looks like a floating panel.\n */\n@define-mixin ck-drop-shadow {\n\t@mixin ck-box-shadow var(--ck-drop-shadow);\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,'.ck.ck-editor__editable .ck.ck-clipboard-drop-target-position{display:inline;position:relative;pointer-events:none}.ck.ck-editor__editable .ck.ck-clipboard-drop-target-position span{position:absolute;width:0}.ck.ck-editor__editable .ck-widget:-webkit-drag>.ck-widget__selection-handle,.ck.ck-editor__editable .ck-widget:-webkit-drag>.ck-widget__type-around{display:none}:root{--ck-clipboard-drop-target-dot-width:12px;--ck-clipboard-drop-target-dot-height:8px;--ck-clipboard-drop-target-color:var(--ck-color-focus-border)}.ck.ck-editor__editable .ck.ck-clipboard-drop-target-position span{bottom:calc(var(--ck-clipboard-drop-target-dot-height)*-0.5);top:calc(var(--ck-clipboard-drop-target-dot-height)*-0.5);border:1px solid var(--ck-clipboard-drop-target-color);background:var(--ck-clipboard-drop-target-color);margin-left:-1px}.ck.ck-editor__editable .ck.ck-clipboard-drop-target-position span:after{content:"";width:0;height:0;display:block;position:absolute;left:50%;top:calc(var(--ck-clipboard-drop-target-dot-height)*-0.5);transform:translateX(-50%);border-left:calc(var(--ck-clipboard-drop-target-dot-width)*0.5) solid transparent;border-bottom:0 solid transparent;border-right:calc(var(--ck-clipboard-drop-target-dot-width)*0.5) solid transparent;border-top:calc(var(--ck-clipboard-drop-target-dot-height)) solid var(--ck-clipboard-drop-target-color)}.ck.ck-editor__editable .ck-widget.ck-clipboard-drop-target-range{outline:var(--ck-widget-outline-thickness) solid var(--ck-clipboard-drop-target-color)!important}.ck.ck-editor__editable .ck-widget:-webkit-drag{zoom:.6;outline:none!important}',"",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-clipboard/theme/clipboard.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-clipboard/clipboard.css"],names:[],mappings:"AASC,8DACC,cAAe,CACf,iBAAkB,CAClB,mBAMD,CAJC,mEACC,iBAAkB,CAClB,OACD,CAWA,qJACC,YACD,CCzBF,MACC,yCAA0C,CAC1C,yCAA0C,CAC1C,6DACD,CAOE,mEACC,4DAA8D,CAC9D,yDAA2D,CAC3D,sDAAuD,CACvD,gDAAiD,CACjD,gBAkBD,CAfC,yEACC,UAAW,CACX,OAAQ,CACR,QAAS,CAET,aAAc,CACd,iBAAkB,CAClB,QAAS,CACT,yDAA2D,CAE3D,0BAA2B,CAG3B,iFAAmB,CAAnB,iCAAmB,CAAnB,kFAAmB,CAAnB,uGACD,CA2DF,kEACC,gGACD,CAKA,gDACC,OAAS,CACT,sBACD",sourcesContent:["/*\n * Copyright (c) 2003-2020, CKSource - Frederico Knabben. 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Frederico Knabben. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n.ck .ck-button.ck-color-table__remove-color {\n\tpadding: calc(var(--ck-spacing-standard) / 2 ) var(--ck-spacing-standard);\n\tborder-bottom-left-radius: 0;\n\tborder-bottom-right-radius: 0;\n\n\t&:not(:focus) {\n\t\tborder-bottom: 1px solid var(--ck-color-base-border);\n\t}\n\n\t& .ck.ck-icon {\n\t\t@mixin ck-dir ltr {\n\t\t\tmargin-right: var(--ck-spacing-standard);\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t}\n\t}\n}\n\n'],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck-content .text-tiny{font-size:.7em}.ck-content .text-small{font-size:.85em}.ck-content .text-big{font-size:1.4em}.ck-content .text-huge{font-size:1.8em}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-font/theme/fontsize.css"],names:[],mappings:"AAUC,uBACC,cACD,CAEA,wBACC,eACD,CAEA,sBACC,eACD,CAEA,uBACC,eACD",sourcesContent:['/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css";\n\n.ck-vertical-form .ck-button::after {\n\tcontent: "";\n\twidth: 0;\n\tposition: absolute;\n\tright: -1px;\n\ttop: var(--ck-spacing-small);\n\tbottom: var(--ck-spacing-small);\n\tz-index: 1;\n}\n\n.ck.ck-responsive-form {\n\t@mixin ck-media-phone {\n\t\t& .ck-button::after {\n\t\t\tcontent: "";\n\t\t\twidth: 0;\n\t\t\tposition: absolute;\n\t\t\tright: -1px;\n\t\t\ttop: var(--ck-spacing-small);\n\t\t\tbottom: var(--ck-spacing-small);\n\t\t\tz-index: 1;\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@define-mixin ck-media-phone {\n\t@media screen and (max-width: 600px) {\n\t\t@mixin-content;\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_rwd.css";\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n\n.ck-vertical-form > .ck-button:nth-last-child(2)::after {\n\tborder-right: 1px solid var(--ck-color-base-border);\n}\n\n.ck.ck-responsive-form {\n\tpadding: var(--ck-spacing-large);\n\n\t&:focus {\n\t\t/* See: https://github.com/ckeditor/ckeditor5/issues/4773 */\n\t\toutline: none;\n\t}\n\n\t@mixin ck-dir ltr {\n\t\t& > :not(:first-child) {\n\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t}\n\t}\n\n\t@mixin ck-dir rtl {\n\t\t& > :not(:last-child) {\n\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t}\n\t}\n\n\t@mixin ck-media-phone {\n\t\tpadding: 0;\n\t\twidth: calc(.8 * var(--ck-input-text-width));\n\n\t\t& .ck-labeled-field-view {\n\t\t\tmargin: var(--ck-spacing-large) var(--ck-spacing-large) 0;\n\n\t\t\t& .ck-input-text {\n\t\t\t\tmin-width: 0;\n\t\t\t\twidth: 100%;\n\t\t\t}\n\n\t\t\t/* Let the long error messages wrap in the narrow form. */\n\t\t\t& .ck-labeled-field-view__error {\n\t\t\t\twhite-space: normal;\n\t\t\t}\n\t\t}\n\n\t\t/* Styles for two last buttons in the form (save&cancel, edit&unlink, etc.). */\n\t\t& > .ck-button:nth-last-child(1),\n\t\t& > .ck-button:nth-last-child(2) {\n\t\t\tpadding: var(--ck-spacing-standard);\n\t\t\tmargin-top: var(--ck-spacing-large);\n\n\t\t\tborder-radius: 0;\n\t\t\tborder: 0;\n\t\t\tborder-top: 1px solid var(--ck-color-base-border);\n\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tmargin-left: 0;\n\n\t\t\t\t&:last-of-type {\n\t\t\t\t\tborder-right: 1px solid var(--ck-color-base-border);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t& > .ck-button:nth-last-child(2) {\n\t\t\t&::after {\n\t\t\t\tborder-right: 1px solid var(--ck-color-base-border);\n\t\t\t}\n\t\t}\n\t}\n}\n'],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck-content .image{display:table;clear:both;text-align:center;margin:1em auto}.ck-content .image img{display:block;margin:0 auto;max-width:100%;min-width:50px}.ck.ck-editor__editable .image>figcaption.ck-placeholder:before{position:static}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-image/theme/image.css"],names:[],mappings:"AAKA,mBACC,aAAc,CACd,UAAW,CACX,iBAAkB,CAGlB,eAeD,CAbC,uBAEC,aAAc,CAGd,aAAc,CAGd,cAAe,CAGf,cACD,CAQD,gEACC,eACD",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck-content .image {\n\tdisplay: table;\n\tclear: both;\n\ttext-align: center;\n\n\t/* Make sure there is some space between the content and the image. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck-content .image > figcaption {\n\tdisplay: table-caption;\n\tcaption-side: bottom;\n\tword-break: break-word;\n\tcolor: hsl(0, 0%, 20%);\n\tbackground-color: hsl(0, 0%, 97%);\n\tpadding: .6em;\n\tfont-size: .75em;\n\toutline-offset: -1px;\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-editor__editable .image{position:relative}.ck.ck-editor__editable .image .ck-progress-bar{position:absolute;top:0;left:0}.ck.ck-editor__editable .image.ck-appear{animation:fadeIn .7s}.ck.ck-editor__editable .image .ck-progress-bar{height:2px;width:0;background:var(--ck-color-upload-bar-background);transition:width .1s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imageuploadprogress.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-image/imageuploadprogress.css"],names:[],mappings:"AAKA,+BACC,iBACD,CAGA,gDACC,iBAAkB,CAClB,KAAM,CACN,MACD,CCPC,yCACC,oBACD,CAID,gDACC,UAAW,CACX,OAAQ,CACR,gDAAiD,CACjD,oBACD,CAEA,kBACC,GAAO,SAAY,CACnB,GAAO,SAAY,CACpB",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-editor__editable .image {\n\t/* Showing animation. */\n\t&.ck-appear {\n\t\tanimation: fadeIn 700ms;\n\t}\n}\n\n/* Upload progress bar. */\n.ck.ck-editor__editable .image .ck-progress-bar {\n\theight: 2px;\n\twidth: 0;\n\tbackground: var(--ck-color-upload-bar-background);\n\ttransition: width 100ms;\n}\n\n@keyframes fadeIn {\n\tfrom { opacity: 0; }\n\tto { opacity: 1; }\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,'.ck-image-upload-complete-icon{display:block;position:absolute;top:10px;right:10px;border-radius:50%}.ck-image-upload-complete-icon:after{content:"";position:absolute}:root{--ck-color-image-upload-icon:#fff;--ck-color-image-upload-icon-background:#008a00;--ck-image-upload-icon-size:20px;--ck-image-upload-icon-width:2px}.ck-image-upload-complete-icon{width:var(--ck-image-upload-icon-size);height:var(--ck-image-upload-icon-size);opacity:0;background:var(--ck-color-image-upload-icon-background);animation-name:ck-upload-complete-icon-show,ck-upload-complete-icon-hide;animation-fill-mode:forwards,forwards;animation-duration:.5s,.5s;font-size:var(--ck-image-upload-icon-size);animation-delay:0ms,3s}.ck-image-upload-complete-icon:after{left:25%;top:50%;opacity:0;height:0;width:0;transform:scaleX(-1) rotate(135deg);transform-origin:left top;border-top:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);border-right:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);animation-name:ck-upload-complete-icon-check;animation-duration:.5s;animation-delay:.5s;animation-fill-mode:forwards;box-sizing:border-box}@keyframes ck-upload-complete-icon-show{0%{opacity:0}to{opacity:1}}@keyframes ck-upload-complete-icon-hide{0%{opacity:1}to{opacity:0}}@keyframes ck-upload-complete-icon-check{0%{opacity:1;width:0;height:0}33%{width:.3em;height:0}to{opacity:1;width:.3em;height:.45em}}',"",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-image/theme/imageuploadicon.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-image/imageuploadicon.css"],names:[],mappings:"AAKA,+BACC,aAAc,CACd,iBAAkB,CAClB,QAAS,CACT,UAAW,CACX,iBAMD,CAJC,qCACC,UAAW,CACX,iBACD,CCVD,MACC,iCAA8C,CAC9C,+CAA4D,CAE5D,gCAAiC,CACjC,gCACD,CAEA,+BACC,sCAAuC,CACvC,uCAAwC,CACxC,SAAU,CACV,uDAAwD,CACxD,wEAA0E,CAC1E,qCAAuC,CACvC,0BAAgC,CAGhC,0CAA2C,CAG3C,sBAyBD,CAtBC,qCAEC,QAAS,CAET,OAAQ,CACR,SAAU,CACV,QAAS,CACT,OAAQ,CAER,mCAAoC,CACpC,yBAA0B,CAC1B,oFAAqF,CACrF,sFAAuF,CAEvF,4CAA6C,CAC7C,sBAAyB,CACzB,mBAAsB,CACtB,4BAA6B,CAG7B,qBACD,CAGD,wCACC,GACC,SACD,CAEA,GACC,SACD,CACD,CAEA,wCACC,GACC,SACD,CAEA,GACC,SACD,CACD,CAEA,yCACC,GACC,SAAU,CACV,OAAQ,CACR,QACD,CACA,IACC,UAAY,CACZ,QACD,CACA,GACC,SAAU,CACV,UAAY,CACZ,YACD,CACD",sourcesContent:['/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck-image-upload-complete-icon {\n\tdisplay: block;\n\tposition: absolute;\n\ttop: 10px;\n\tright: 10px;\n\tborder-radius: 50%;\n\n\t&::after {\n\t\tcontent: "";\n\t\tposition: absolute;\n\t}\n}\n','/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n.ck.ck-input-color {\n\twidth: 100%;\n\tdisplay: flex;\n\tflex-direction: row-reverse;\n\n\t& > input.ck.ck-input-text {\n\t\tmin-width: auto;\n\t\tflex-grow: 1;\n\t}\n\n\t& > div.ck.ck-dropdown {\n\t\tmin-width: auto;\n\n\t\t/* This dropdown has no arrow but a color preview instead. */\n\t\t& > .ck-input-color__button .ck-dropdown__arrow {\n\t\t\tdisplay: none;\n\t\t}\n\t}\n\n\t& .ck.ck-input-color__button {\n\t\t& .ck.ck-input-color__button__preview {\n\t\t\tposition: relative;\n\t\t\toverflow: hidden;\n\n\t\t\t& > .ck.ck-input-color__button__preview__no-color-indicator {\n\t\t\t\tposition: absolute;\n\t\t\t\tdisplay: block;\n\t\t\t}\n\t\t}\n\t}\n}\n",'/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n@import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";\n@import "../mixins/_rounded.css";\n\n.ck.ck-input-color {\n\t& > .ck.ck-input-text {\n\t\t@mixin ck-dir ltr {\n\t\t\tborder-top-right-radius: 0;\n\t\t\tborder-bottom-right-radius: 0;\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\tborder-top-left-radius: 0;\n\t\t\tborder-bottom-left-radius: 0;\n\t\t}\n\t}\n\n\t& > .ck.ck-dropdown {\n\t\t& > .ck.ck-button.ck-input-color__button {\n\t\t\tpadding: 0;\n\n\t\t\t@mixin ck-dir ltr {\n\t\t\t\tborder-left-width: 0;\n\t\t\t\tborder-top-left-radius: 0;\n\t\t\t\tborder-bottom-left-radius: 0;\n\t\t\t}\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tborder-right-width: 0;\n\t\t\t\tborder-top-right-radius: 0;\n\t\t\t\tborder-bottom-right-radius: 0;\n\t\t\t}\n\n\t\t\t&.ck-disabled {\n\t\t\t\tbackground: var(--ck-color-input-disabled-background);\n\t\t\t}\n\n\t\t\t& > .ck.ck-input-color__button__preview {\n\t\t\t\t@mixin ck-rounded-corners;\n\n\t\t\t\twidth: 20px;\n\t\t\t\theight: 20px;\n\t\t\t\tborder: 1px solid var(--ck-color-input-border);\n\n\t\t\t\t& > .ck.ck-input-color__button__preview__no-color-indicator {\n\t\t\t\t\ttop: -30%;\n\t\t\t\t\tleft: 50%;\n\t\t\t\t\theight: 150%;\n\t\t\t\t\twidth: 8%;\n\t\t\t\t\tbackground: hsl(0, 100%, 50%);\n\t\t\t\t\tborder-radius: 2px;\n\t\t\t\t\ttransform: rotate(45deg);\n\t\t\t\t\ttransform-origin: 50%;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t& .ck.ck-input-color__remove-color {\n\t\twidth: 100%;\n\t\tborder-bottom: 1px solid var(--ck-color-input-border);\n\t\tpadding: calc(var(--ck-spacing-standard) / 2) var(--ck-spacing-standard);\n\n\t\tborder-bottom-left-radius: 0;\n\t\tborder-bottom-right-radius: 0;\n\n\t\t@mixin ck-dir ltr {\n\t\t\tborder-top-right-radius: 0;\n\t\t}\n\n\t\t@mixin ck-dir rtl {\n\t\t\tborder-top-left-radius: 0;\n\t\t}\n\n\t\t& .ck.ck-icon {\n\t\t\tmargin-right: var(--ck-spacing-standard);\n\n\t\t\t@mixin ck-dir rtl {\n\t\t\t\tmargin-right: 0;\n\t\t\t\tmargin-left: var(--ck-spacing-standard);\n\t\t\t}\n\t\t}\n\t}\n}\n',"/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * Implements rounded corner interface for .ck-rounded-corners class.\n *\n * @see $ck-border-radius\n */\n@define-mixin ck-rounded-corners {\n\tborder-radius: 0;\n\n\t@nest .ck-rounded-corners &,\n\t&.ck-rounded-corners {\n\t\tborder-radius: var(--ck-border-radius);\n\t\t@mixin-content;\n\t}\n}\n"],sourceRoot:""}]);e["a"]=a},function(t,e,n){"use strict";var o=n(2);var i=n.n(o);var r=n(3);var s=n.n(r);var a=s()(i.a);a.push([t.i,".ck.ck-form__row{display:flex;flex-direction:row;flex-wrap:nowrap;justify-content:space-between}.ck.ck-form__row>:not(.ck-label){flex-grow:1}.ck.ck-form__row.ck-table-form__action-row .ck-button-cancel,.ck.ck-form__row.ck-table-form__action-row .ck-button-save{justify-content:center}.ck.ck-form__row{padding:var(--ck-spacing-standard) var(--ck-spacing-large) 0}[dir=ltr] .ck.ck-form__row>:not(.ck-label)+*{margin-left:var(--ck-spacing-large)}[dir=rtl] .ck.ck-form__row>:not(.ck-label)+*{margin-right:var(--ck-spacing-large)}.ck.ck-form__row>.ck-label{width:100%;min-width:100%}.ck.ck-form__row.ck-table-form__action-row{margin-top:var(--ck-spacing-large)}.ck.ck-form__row.ck-table-form__action-row .ck-button .ck-button__label{color:var(--ck-color-text)}","",{version:3,sources:["webpack://./node_modules/@ckeditor/ckeditor5-table/theme/formrow.css","webpack://./node_modules/@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-table/formrow.css"],names:[],mappings:"AAKA,iBACC,YAAa,CACb,kBAAmB,CACnB,gBAAiB,CACjB,6BAaD,CAVC,iCACC,WACD,CAGC,wHAEC,sBACD,CCbF,iBACC,4DA2BD,CAvBE,6CAEE,mCAMF,CARA,6CAME,oCAEF,CAGD,2BACC,UAAW,CACX,cACD,CAEA,2CACC,kCAKD,CAHC,wEACC,0BACD",sourcesContent:["/*\n * Copyright (c) 2003-2021, CKSource - Frederico Knabben. 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editableElement(){let t=this.parent;while(!(t instanceof bl)){if(t.parent){t=t.parent}else{return null}}return t}getShiftedBy(t){const e=Al._createAt(this);const n=e.offset+t;e.offset=n<0?0:n;return e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Cl(e);n.skip(t);return n.position}getAncestors(){if(this.parent.is("documentFragment")){return[this.parent]}else{return this.parent.getAncestors({includeSelf:true})}}getCommonAncestor(t){const e=this.getAncestors();const n=t.getAncestors();let o=0;while(e[o]==n[o]&&e[o]){o++}return o===0?null:e[o-1]}is(t){return t==="position"||t==="view:position"}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return this.compareWith(t)=="before"}isAfter(t){return this.compareWith(t)=="after"}compareWith(t){if(this.root!==t.root){return"different"}if(this.isEqual(t)){return"same"}const e=this.parent.is("node")?this.parent.getPath():[];const n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset);n.push(t.offset);const o=Ia(e,n);switch(o){case"prefix":return"before";case"extension":return"after";default:return e[o]0?new this(n,o):new this(o,n)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("$textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(Al._createBefore(t),e)}}function vl(t){if(t.item.is("attributeElement")||t.item.is("uiElement")){return true}return false}function yl(t){let e=0;for(const n of t){e++}return e}class xl{constructor(t=null,e,n){this._ranges=[];this._lastRangeBackward=false;this._isFake=false;this._fakeSelectionLabel="";this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length){return null}const t=this._ranges[this._ranges.length-1];const e=this._lastRangeBackward?t.end:t.start;return e.clone()}get focus(){if(!this._ranges.length){return null}const t=this._ranges[this._ranges.length-1];const e=this._lastRangeBackward?t.start:t.end;return e.clone()}get isCollapsed(){return this.rangeCount===1&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){if(this.anchor){return this.anchor.editableElement}return null}*getRanges(){for(const t of this._ranges){yield t.clone()}}getFirstRange(){let t=null;for(const e of this._ranges){if(!t||e.start.isBefore(t.start)){t=e}}return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges){if(!t||e.end.isAfter(t.end)){t=e}}return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake){return false}if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel){return false}if(this.rangeCount!=t.rangeCount){return false}else if(this.rangeCount===0){return true}if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus)){return false}for(const e of this._ranges){let n=false;for(const o of t._ranges){if(e.isEqual(o)){n=true;break}}if(!n){return false}}return true}isSimilar(t){if(this.isBackward!=t.isBackward){return false}const e=yl(this.getRanges());const n=yl(t.getRanges());if(e!=n){return false}if(e==0){return true}for(let e of this.getRanges()){e=e.getTrimmed();let n=false;for(let o of t.getRanges()){o=o.getTrimmed();if(e.start.isEqual(o.start)&&e.end.isEqual(o.end)){n=true;break}}if(!n){return false}}return true}getSelectedElement(){if(this.rangeCount!==1){return null}return this.getFirstRange().getContainedElement()}setTo(t,e,n){if(t===null){this._setRanges([]);this._setFakeOptions(e)}else if(t instanceof xl||t instanceof El){this._setRanges(t.getRanges(),t.isBackward);this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel})}else if(t instanceof _l){this._setRanges([t],e&&e.backward);this._setFakeOptions(e)}else if(t instanceof Al){this._setRanges([new _l(t)]);this._setFakeOptions(e)}else if(t instanceof Oa){const o=!!n&&!!n.backward;let i;if(e===undefined){throw new u["a"]("view-selection-setto-required-second-parameter",this)}else if(e=="in"){i=_l._createIn(t)}else if(e=="on"){i=_l._createOn(t)}else{i=new _l(Al._createAt(t,e))}this._setRanges([i],o);this._setFakeOptions(n)}else if(ba(t)){this._setRanges(t,e&&e.backward);this._setFakeOptions(e)}else{throw new u["a"]("view-selection-setto-not-selectable",this)}this.fire("change")}setFocus(t,e){if(this.anchor===null){throw new u["a"]("view-selection-setfocus-no-ranges",this)}const n=Al._createAt(t,e);if(n.compareWith(this.focus)=="same"){return}const o=this.anchor;this._ranges.pop();if(n.compareWith(o)=="before"){this._addRange(new _l(n,o),true)}else{this._addRange(new _l(o,n))}this.fire("change")}is(t){return t==="selection"||t==="view:selection"}_setRanges(t,e=false){t=Array.from(t);this._ranges=[];for(const e of t){this._addRange(e)}this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake;this._fakeSelectionLabel=t.fake?t.label||"":""}_addRange(t,e=false){if(!(t instanceof _l)){throw new u["a"]("view-selection-add-range-not-range",this)}this._pushRange(t);this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges){if(t.isIntersecting(e)){throw new u["a"]("view-selection-range-intersects",this,{addedRange:t,intersectingRange:e})}}this._ranges.push(new _l(t.start,t.end))}}Hn(xl,g);class El{constructor(t=null,e,n){this._selection=new xl;this._selection.delegate("change").to(this);this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return t==="selection"||t=="documentSelection"||t=="view:selection"||t=="view:documentSelection"}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}Hn(El,g);class Dl extends r{constructor(t,e,n){super(t,e);this.startRange=n;this._eventPhase="none";this._currentTarget=null}get eventPhase(){return this._eventPhase}get currentTarget(){return this._currentTarget}}const Sl=Symbol("bubbling contexts");const Bl={fire(t,...e){try{const n=t instanceof r?t:new r(this,t);const o=Fl(this);if(!o.size){return}Pl(n,"capturing",this);if(Il(o,"$capture",n,...e)){return n.return}const i=n.startRange||this.selection.getFirstRange();const s=i?i.getContainedElement():null;const a=s?Boolean(Rl(o,s)):false;let c=s||zl(i);Pl(n,"atTarget",c);if(!a){if(Il(o,"$text",n,...e)){return n.return}Pl(n,"bubbling",c)}while(c){if(c.is("rootElement")){if(Il(o,"$root",n,...e)){return n.return}}else if(c.is("element")){if(Il(o,c.name,n,...e)){return n.return}}if(Il(o,c,n,...e)){return n.return}c=c.parent;Pl(n,"bubbling",c)}Pl(n,"bubbling",this);Il(o,"$document",n,...e);return n.return}catch(t){u["a"].rethrowUnexpectedError(t,this)}},_addEventListener(t,e,n){const o=Ca(n.context||"$document");const i=Fl(this);for(const r of o){let o=i.get(r);if(!o){o=Object.create(g);i.set(r,o)}this.listenTo(o,t,e,n)}},_removeEventListener(t,e){const n=Fl(this);for(const o of n.values()){this.stopListening(o,t,e)}}};var Tl=Bl;function Pl(t,e,n){if(t instanceof Dl){t._eventPhase=e;t._currentTarget=n}}function Il(t,e,n,...o){const i=typeof e=="string"?t.get(e):Rl(t,e);if(!i){return false}i.fire(n,...o);return n.stop.called}function Rl(t,e){for(const[n,o]of t){if(typeof n=="function"&&n(e)){return o}}return null}function Fl(t){if(!t[Sl]){t[Sl]=new Map}return t[Sl]}function zl(t){if(!t){return null}const e=t.start.parent;const n=t.end.parent;const o=e.getPath();const i=n.getPath();return o.length>i.length?e:n}class Ol{constructor(t){this.selection=new El;this.roots=new ka({idProperty:"rootName"});this.stylesProcessor=t;this.set("isReadOnly",false);this.set("isFocused",false);this.set("isComposing",false);this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map((t=>t.destroy()));this.stopListening()}_callPostFixers(t){let e=false;do{for(const n of this._postFixers){e=n(t);if(e){break}}}while(e)}}Hn(Ol,Tl);Hn(Ol,Tn);const Nl=10;class Ml extends ul{constructor(t,e,n,o){super(t,e,n,o);this.getFillerOffset=Vl;this._priority=Nl;this._id=null;this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(this.id===null){throw new u["a"]("attribute-element-get-elements-with-same-id-no-id",this)}return new Set(this._clonesGroup)}is(t,e=null){if(!e){return t==="attributeElement"||t==="view:attributeElement"||t==="element"||t==="view:element"||t==="node"||t==="view:node"}else{return e===this.name&&(t==="attributeElement"||t==="view:attributeElement"||t==="element"||t==="view:element")}}isSimilar(t){if(this.id!==null||t.id!==null){return this.id===t.id}return super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);e._priority=this._priority;e._id=this._id;return e}}Ml.DEFAULT_PRIORITY=Nl;function Vl(){if(Ll(this)){return null}let t=this.parent;while(t&&t.is("attributeElement")){if(Ll(t)>1){return null}t=t.parent}if(!t||Ll(t)>1){return null}return this.childCount}function Ll(t){return Array.from(t.getChildren()).filter((t=>!t.is("uiElement"))).length}class Hl extends ul{constructor(t,e,n,o){super(t,e,n,o);this._isAllowedInsideAttributeElement=true;this.getFillerOffset=Kl}is(t,e=null){if(!e){return t==="emptyElement"||t==="view:emptyElement"||t==="element"||t==="view:element"||t==="node"||t==="view:node"}else{return e===this.name&&(t==="emptyElement"||t==="view:emptyElement"||t==="element"||t==="view:element")}}_insertChild(t,e){if(e&&(e instanceof Oa||Array.from(e).length>0)){throw new u["a"]("view-emptyelement-cannot-add",[this,e])}}}function Kl(){return null}const ql=navigator.userAgent.toLowerCase();const jl={isMac:Gl(ql),isGecko:Ul(ql),isSafari:$l(ql),isAndroid:Jl(ql),isBlink:Yl(ql),features:{isRegExpUnicodePropertySupported:Ql()}};var Wl=jl;function Gl(t){return t.indexOf("macintosh")>-1}function Ul(t){return!!t.match(/gecko\/\d+/)}function $l(t){return t.indexOf(" applewebkit/")>-1&&t.indexOf("chrome")===-1}function Jl(t){return t.indexOf("android")>-1}function Yl(t){return t.indexOf("chrome/")>-1&&t.indexOf("edge/")<0}function Ql(){let t=false;try{t="ć".search(new RegExp("[\\p{L}]","u"))===0}catch(t){}return t}const Xl={ctrl:"⌃",cmd:"⌘",alt:"⌥",shift:"⇧"};const Zl={ctrl:"Ctrl+",alt:"Alt+",shift:"Shift+"};const td=ld();const ed=Object.fromEntries(Object.entries(td).map((([t,e])=>[e,t.charAt(0).toUpperCase()+t.slice(1)])));function nd(t){let e;if(typeof t=="string"){e=td[t.toLowerCase()];if(!e){throw new u["a"]("keyboard-unknown-key",null,{key:t})}}else{e=t.keyCode+(t.altKey?td.alt:0)+(t.ctrlKey?td.ctrl:0)+(t.shiftKey?td.shift:0)+(t.metaKey?td.cmd:0)}return e}function od(t){if(typeof t=="string"){t=dd(t)}return t.map((t=>typeof t=="string"?ad(t):t)).reduce(((t,e)=>e+t),0)}function id(t){let e=od(t);const n=Object.entries(Wl.isMac?Xl:Zl);const o=n.reduce(((t,[n,o])=>{if((e&td[n])!=0){e&=~td[n];t+=o}return t}),"");return o+(e?ed[e]:"")}function rd(t){return t==td.arrowright||t==td.arrowleft||t==td.arrowup||t==td.arrowdown}function sd(t,e){const n=e==="ltr";switch(t){case td.arrowleft:return n?"left":"right";case td.arrowright:return n?"right":"left";case td.arrowup:return"up";case td.arrowdown:return"down"}}function ad(t){if(t.endsWith("!")){return nd(t.slice(0,-1))}const e=nd(t);return Wl.isMac&&e==td.ctrl?td.cmd:e}function cd(t,e){const n=sd(t,e);return n==="down"||n==="right"}function ld(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,shift:2228224,alt:4456448,cmd:8912896};for(let e=65;e<=90;e++){const n=String.fromCharCode(e);t[n.toLowerCase()]=e}for(let e=48;e<=57;e++){t[e-48]=e}for(let e=112;e<=123;e++){t["f"+(e-111)]=e}return t}function dd(t){return t.split("+").map((t=>t.trim()))}class ud extends ul{constructor(t,e,n,o){super(t,e,n,o);this._isAllowedInsideAttributeElement=true;this.getFillerOffset=fd}is(t,e=null){if(!e){return t==="uiElement"||t==="view:uiElement"||t==="element"||t==="view:element"||t==="node"||t==="view:node"}else{return e===this.name&&(t==="uiElement"||t==="view:uiElement"||t==="element"||t==="view:element")}}_insertChild(t,e){if(e&&(e instanceof Oa||Array.from(e).length>0)){throw new u["a"]("view-uielement-cannot-add",this)}}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys()){e.setAttribute(t,this.getAttribute(t))}return e}}function hd(t){t.document.on("arrowKey",((e,n)=>md(e,n,t.domConverter)),{priority:"low"})}function fd(){return null}function md(t,e,n){if(e.keyCode==td.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection();const o=t.rangeCount==1&&t.getRangeAt(0).collapsed;if(o||e.shiftKey){const e=t.focusNode;const i=t.focusOffset;const r=n.domPositionToView(e,i);if(r===null){return}let s=false;const a=r.getLastMatchingPosition((t=>{if(t.item.is("uiElement")){s=true}if(t.item.is("uiElement")||t.item.is("attributeElement")){return true}return false}));if(s){const e=n.viewPositionToDom(a);if(o){t.collapse(e.parent,e.offset)}else{t.extend(e.parent,e.offset)}}}}}class gd extends ul{constructor(t,e,n,o){super(t,e,n,o);this._isAllowedInsideAttributeElement=true;this.getFillerOffset=pd}is(t,e=null){if(!e){return t==="rawElement"||t==="view:rawElement"||t===this.name||t==="view:"+this.name||t==="element"||t==="view:element"||t==="node"||t==="view:node"}else{return e===this.name&&(t==="rawElement"||t==="view:rawElement"||t==="element"||t==="view:element")}}_insertChild(t,e){if(e&&(e instanceof Oa||Array.from(e).length>0)){throw new u["a"]("view-rawelement-cannot-add",[this,e])}}}function pd(){return null}class bd{constructor(t,e){this.document=t;this._children=[];if(e){this._insertChild(0,e)}}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return this.childCount===0}get root(){return this}get parent(){return null}is(t){return t==="documentFragment"||t==="view:documentFragment"}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let n=0;const o=kd(this.document,e);for(const e of o){if(e.parent!==null){e._remove()}e.parent=this;this._children.splice(t,0,e);t++;n++}return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n{if(typeof e=="string"){return new Na(t,e)}if(e instanceof Ma){return new Na(t,e.data)}return e}))}class wd{constructor(t){this.document=t;this._cloneGroups=new Map}setSelection(t,e,n){this.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this.document.selection._setFocus(t,e)}createDocumentFragment(t){return new bd(this.document,t)}createText(t){return new Na(this.document,t)}createAttributeElement(t,e,n={}){const o=new Ml(this.document,t,e);if(n.priority){o._priority=n.priority}if(n.id){o._id=n.id}return o}createContainerElement(t,e,n={}){const o=new gl(this.document,t,e);if(n.isAllowedInsideAttributeElement!==undefined){o._isAllowedInsideAttributeElement=n.isAllowedInsideAttributeElement}return o}createEditableElement(t,e){const n=new bl(this.document,t,e);n._document=this.document;return n}createEmptyElement(t,e,n={}){const o=new Hl(this.document,t,e);if(n.isAllowedInsideAttributeElement!==undefined){o._isAllowedInsideAttributeElement=n.isAllowedInsideAttributeElement}return o}createUIElement(t,e,n,o={}){const i=new ud(this.document,t,e);if(n){i.render=n}if(o.isAllowedInsideAttributeElement!==undefined){i._isAllowedInsideAttributeElement=o.isAllowedInsideAttributeElement}return i}createRawElement(t,e,n,o={}){const i=new gd(this.document,t,e);i.render=n||(()=>{});if(o.isAllowedInsideAttributeElement!==undefined){i._isAllowedInsideAttributeElement=o.isAllowedInsideAttributeElement}return i}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){if(io(t)&&n===undefined){n=e}n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){if(t instanceof Al){return this._breakAttributes(t)}else{return this._breakAttributesRange(t)}}breakContainer(t){const e=t.parent;if(!e.is("containerElement")){throw new u["a"]("view-writer-break-non-container-element",this.document)}if(!e.parent){throw new u["a"]("view-writer-break-root",this.document)}if(t.isAtStart){return Al._createBefore(e)}else if(!t.isAtEnd){const n=e._clone(false);this.insert(Al._createAfter(e),n);const o=new _l(t,Al._createAt(e,"end"));const i=new Al(n,0);this.move(o,i)}return Al._createAfter(e)}mergeAttributes(t){const e=t.offset;const n=t.parent;if(n.is("$text")){return t}if(n.is("attributeElement")&&n.childCount===0){const t=n.parent;const e=n.index;n._remove();this._removeFromClonedElementsGroup(n);return this.mergeAttributes(new Al(t,e))}const o=n.getChild(e-1);const i=n.getChild(e);if(!o||!i){return t}if(o.is("$text")&&i.is("$text")){return xd(o,i)}else if(o.is("attributeElement")&&i.is("attributeElement")&&o.isSimilar(i)){const t=o.childCount;o._appendChild(i.getChildren());i._remove();this._removeFromClonedElementsGroup(i);return this.mergeAttributes(new Al(o,t))}return t}mergeContainers(t){const e=t.nodeBefore;const n=t.nodeAfter;if(!e||!n||!e.is("containerElement")||!n.is("containerElement")){throw new u["a"]("view-writer-merge-containers-invalid-position",this.document)}const o=e.getChild(e.childCount-1);const i=o instanceof Na?Al._createAt(o,"end"):Al._createAt(e,"end");this.move(_l._createIn(n),Al._createAt(e,"end"));this.remove(_l._createOn(n));return i}insert(t,e){e=ba(e)?[...e]:[e];Ed(e,this.document);const n=e.reduce(((t,e)=>{const n=t[t.length-1];const o=!(e.is("uiElement")&&e.isAllowedInsideAttributeElement);if(!n||n.breakAttributes!=o){t.push({breakAttributes:o,nodes:[e]})}else{n.nodes.push(e)}return t}),[]);let o=null;let i=t;for(const{nodes:t,breakAttributes:e}of n){const n=this._insertNodes(i,t,e);if(!o){o=n.start}i=n.end}if(!o){return new _l(t)}return new _l(o,i)}remove(t){const e=t instanceof _l?t:_l._createOn(t);Bd(e,this.document);if(e.isCollapsed){return new bd(this.document)}const{start:n,end:o}=this._breakAttributesRange(e,true);const i=n.parent;const r=o.offset-n.offset;const s=i._removeChildren(n.offset,r);for(const t of s){this._removeFromClonedElementsGroup(t)}const a=this.mergeAttributes(n);e.start=a;e.end=a.clone();return new bd(this.document,s)}clear(t,e){Bd(t,this.document);const n=t.getWalker({direction:"backward",ignoreElementEnd:true});for(const o of n){const n=o.item;let i;if(n.is("element")&&e.isSimilar(n)){i=_l._createOn(n)}else if(!o.nextPosition.isAfter(t.start)&&n.is("$textProxy")){const t=n.getAncestors().find((t=>t.is("element")&&e.isSimilar(t)));if(t){i=_l._createIn(t)}}if(i){if(i.end.isAfter(t.end)){i.end=t.end}if(i.start.isBefore(t.start)){i.start=t.start}this.remove(i)}}}move(t,e){let n;if(e.isAfter(t.end)){e=this._breakAttributes(e,true);const o=e.parent;const i=o.childCount;t=this._breakAttributesRange(t,true);n=this.remove(t);e.offset+=o.childCount-i}else{n=this.remove(t)}return this.insert(e,n)}wrap(t,e){if(!(e instanceof Ml)){throw new u["a"]("view-writer-wrap-invalid-attribute",this.document)}Bd(t,this.document);if(!t.isCollapsed){return this._wrapRange(t,e)}else{let n=t.start;if(n.parent.is("element")&&!Cd(n.parent)){n=n.getLastMatchingPosition((t=>t.item.is("uiElement")))}n=this._wrapPosition(n,e);const o=this.document.selection;if(o.isCollapsed&&o.getFirstPosition().isEqual(t.start)){this.setSelection(n)}return new _l(n)}}unwrap(t,e){if(!(e instanceof Ml)){throw new u["a"]("view-writer-unwrap-invalid-attribute",this.document)}Bd(t,this.document);if(t.isCollapsed){return t}const{start:n,end:o}=this._breakAttributesRange(t,true);const i=n.parent;const r=this._unwrapChildren(i,n.offset,o.offset,e);const s=this.mergeAttributes(r.start);if(!s.isEqual(r.start)){r.end.offset--}const a=this.mergeAttributes(r.end);return new _l(s,a)}rename(t,e){const n=new gl(this.document,t,e.getAttributes());this.insert(Al._createAfter(e),n);this.move(_l._createIn(e),Al._createAt(n,0));this.remove(_l._createOn(e));return n}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return Al._createAt(t,e)}createPositionAfter(t){return Al._createAfter(t)}createPositionBefore(t){return Al._createBefore(t)}createRange(t,e){return new _l(t,e)}createRangeOn(t){return _l._createOn(t)}createRangeIn(t){return _l._createIn(t)}createSelection(t,e,n){return new xl(t,e,n)}_insertNodes(t,e,n){let o;if(n){o=Ad(t)}else{o=t.parent.is("$text")?t.parent.parent:t.parent}if(!o){throw new u["a"]("view-writer-invalid-position-container",this.document)}let i;if(n){i=this._breakAttributes(t,true)}else{i=t.parent.is("$text")?yd(t):t}const r=o._insertChild(i.offset,e);for(const t of e){this._addToClonedElementsGroup(t)}const s=i.getShiftedBy(r);const a=this.mergeAttributes(i);if(!a.isEqual(i)){s.offset--}const c=this.mergeAttributes(s);return new _l(a,c)}_wrapChildren(t,e,n,o){let i=e;const r=[];while(ifalse;t.parent._insertChild(t.offset,n);const o=new _l(t,t.getShiftedBy(1));this.wrap(o,e);const i=new Al(n.parent,n.index);n._remove();const r=i.nodeBefore;const s=i.nodeAfter;if(r instanceof Na&&s instanceof Na){return xd(r,s)}return vd(i)}_wrapAttributeElement(t,e){if(!Td(t,e)){return false}if(t.name!==e.name||t.priority!==e.priority){return false}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}if(e.hasAttribute(n)&&e.getAttribute(n)!==t.getAttribute(n)){return false}}for(const n of t.getStyleNames()){if(e.hasStyle(n)&&e.getStyle(n)!==t.getStyle(n)){return false}}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}if(!e.hasAttribute(n)){this.setAttribute(n,t.getAttribute(n),e)}}for(const n of t.getStyleNames()){if(!e.hasStyle(n)){this.setStyle(n,t.getStyle(n),e)}}for(const n of t.getClassNames()){if(!e.hasClass(n)){this.addClass(n,e)}}return true}_unwrapAttributeElement(t,e){if(!Td(t,e)){return false}if(t.name!==e.name||t.priority!==e.priority){return false}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}if(!e.hasAttribute(n)||e.getAttribute(n)!==t.getAttribute(n)){return false}}if(!e.hasClass(...t.getClassNames())){return false}for(const n of t.getStyleNames()){if(!e.hasStyle(n)||e.getStyle(n)!==t.getStyle(n)){return false}}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}this.removeAttribute(n,e)}this.removeClass(Array.from(t.getClassNames()),e);this.removeStyle(Array.from(t.getStyleNames()),e);return true}_breakAttributesRange(t,e=false){const n=t.start;const o=t.end;Bd(t,this.document);if(t.isCollapsed){const n=this._breakAttributes(t.start,e);return new _l(n,n)}const i=this._breakAttributes(o,e);const r=i.parent.childCount;const s=this._breakAttributes(n,e);i.offset+=i.parent.childCount-r;return new _l(s,i)}_breakAttributes(t,e=false){const n=t.offset;const o=t.parent;if(t.parent.is("emptyElement")){throw new u["a"]("view-writer-cannot-break-empty-element",this.document)}if(t.parent.is("uiElement")){throw new u["a"]("view-writer-cannot-break-ui-element",this.document)}if(t.parent.is("rawElement")){throw new u["a"]("view-writer-cannot-break-raw-element",this.document)}if(!e&&o.is("$text")&&Sd(o.parent)){return t.clone()}if(Sd(o)){return t.clone()}if(o.is("$text")){return this._breakAttributes(yd(t),e)}const i=o.childCount;if(n==i){const t=new Al(o.parent,o.index+1);return this._breakAttributes(t,e)}else{if(n===0){const t=new Al(o.parent,o.index);return this._breakAttributes(t,e)}else{const t=o.index+1;const i=o._clone();o.parent._insertChild(t,i);this._addToClonedElementsGroup(i);const r=o.childCount-n;const s=o._removeChildren(n,r);i._appendChild(s);const a=new Al(o.parent,t);return this._breakAttributes(a,e)}}}_addToClonedElementsGroup(t){if(!t.root.is("rootElement")){return}if(t.is("element")){for(const e of t.getChildren()){this._addToClonedElementsGroup(e)}}const e=t.id;if(!e){return}let n=this._cloneGroups.get(e);if(!n){n=new Set;this._cloneGroups.set(e,n)}n.add(t);t._clonesGroup=n}_removeFromClonedElementsGroup(t){if(t.is("element")){for(const e of t.getChildren()){this._removeFromClonedElementsGroup(e)}}const e=t.id;if(!e){return}const n=this._cloneGroups.get(e);if(!n){return}n.delete(t)}}function Cd(t){return Array.from(t.getChildren()).some((t=>!t.is("uiElement")))}function Ad(t){let e=t.parent;while(!Sd(e)){if(!e){return undefined}e=e.parent}return e}function _d(t,e){if(t.prioritye.priority){return false}return t.getIdentity()n instanceof t))){throw new u["a"]("view-writer-insert-invalid-node-type",e)}if(!n.is("$text")){Ed(n.getChildren(),e)}}}const Dd=[Na,Ml,gl,Hl,gd,ud];function Sd(t){return t&&(t.is("containerElement")||t.is("documentFragment"))}function Bd(t,e){const n=Ad(t.start);const o=Ad(t.end);if(!n||!o||n!==o){throw new u["a"]("view-writer-invalid-range-container",e)}}function Td(t,e){return t.id===null&&e.id===null}function Pd(t){return Object.prototype.toString.call(t)=="[object Text]"}const Id=t=>t.createTextNode(" ");const Rd=t=>{const e=t.createElement("br");e.dataset.ckeFiller=true;return e};const Fd=7;const zd="".repeat(Fd);function Od(t){return Pd(t)&&t.data.substr(0,Fd)===zd}function Nd(t){return t.data.length==Fd&&Od(t)}function Md(t){if(Od(t)){return t.data.slice(Fd)}else{return t.data}}function Vd(t){t.document.on("arrowKey",Ld,{priority:"low"})}function Ld(t,e){if(e.keyCode==td.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(t.rangeCount==1&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer;const n=t.getRangeAt(0).startOffset;if(Od(e)&&n<=Fd){t.collapse(e,0)}}}}function Hd(t,e,n,o=false){n=n||function(t,e){return t===e};if(!Array.isArray(t)){t=Array.prototype.slice.call(t)}if(!Array.isArray(e)){e=Array.prototype.slice.call(e)}const i=Kd(t,e,n);return o?Gd(i,e.length):Wd(e,i)}function Kd(t,e,n){const o=qd(t,e,n);if(o===-1){return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1}}const i=jd(t,o);const r=jd(e,o);const s=qd(i,r,n);const a=t.length-s;const c=e.length-s;return{firstIndex:o,lastIndexOld:a,lastIndexNew:c}}function qd(t,e,n){for(let o=0;o0){n.push({index:o,type:"insert",values:t.slice(o,r)})}if(i-o>0){n.push({index:o+(r-o),type:"delete",howMany:i-o})}return n}function Gd(t,e){const{firstIndex:n,lastIndexOld:o,lastIndexNew:i}=t;if(n===-1){return Array(e).fill("equal")}let r=[];if(n>0){r=r.concat(Array(n).fill("equal"))}if(i-n>0){r=r.concat(Array(i-n).fill("insert"))}if(o-n>0){r=r.concat(Array(o-n).fill("delete"))}if(i200||i>200||o+i>300){return Ud.fastDiff(t,e,n,true)}let r,s;if(il?-1:1;if(d[o+h]){d[o]=d[o+h].slice(0)}if(!d[o]){d[o]=[]}d[o].push(i>l?r:s);let f=Math.max(i,l);let m=f-o;while(ml;m--){u[m]=h(m)}u[l]=h(l);f++}while(u[l]!==c);return d[l].slice(1)}Ud.fastDiff=Hd;function $d(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}function Jd(t){const e=t.parentNode;if(e){e.removeChild(t)}}function Yd(t){if(t){if(t.defaultView){return t instanceof t.defaultView.Document}else if(t.ownerDocument&&t.ownerDocument.defaultView){return t instanceof t.ownerDocument.defaultView.Node}}return false}class Qd{constructor(t,e){this.domDocuments=new Set;this.domConverter=t;this.markedAttributes=new Set;this.markedChildren=new Set;this.markedTexts=new Set;this.selection=e;this.isFocused=false;this._inlineFiller=null;this._fakeSelectionContainer=null}markToSync(t,e){if(t==="text"){if(this.domConverter.mapViewToDom(e.parent)){this.markedTexts.add(e)}}else{if(!this.domConverter.mapViewToDom(e)){return}if(t==="attributes"){this.markedAttributes.add(e)}else if(t==="children"){this.markedChildren.add(e)}else{throw new u["a"]("view-renderer-unknown-type",this)}}}render(){let t;for(const t of this.markedChildren){this._updateChildrenMappings(t)}if(this._inlineFiller&&!this._isSelectionInInlineFiller()){this._removeInlineFiller()}if(this._inlineFiller){t=this._getInlineFillerPosition()}else if(this._needsInlineFillerAtSelection()){t=this.selection.getFirstPosition();this.markedChildren.add(t.parent)}for(const t of this.markedAttributes){this._updateAttrs(t)}for(const e of this.markedChildren){this._updateChildren(e,{inlineFillerPosition:t})}for(const e of this.markedTexts){if(!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)){this._updateText(e,{inlineFillerPosition:t})}}if(t){const e=this.domConverter.viewPositionToDom(t);const n=e.parent.ownerDocument;if(!Od(e.parent)){this._inlineFiller=Zd(n,e.parent,e.offset)}else{this._inlineFiller=e.parent}}else{this._inlineFiller=null}this._updateFocus();this._updateSelection();this.markedTexts.clear();this.markedAttributes.clear();this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e){return}const n=this.domConverter.mapViewToDom(t).childNodes;const o=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:false}));const i=this._diffNodeLists(n,o);const r=this._findReplaceActions(i,n,o);if(r.indexOf("replace")!==-1){const e={equal:0,insert:0,delete:0};for(const i of r){if(i==="replace"){const i=e.equal+e.insert;const r=e.equal+e.delete;const s=t.getChild(i);if(s&&!(s.is("uiElement")||s.is("rawElement"))){this._updateElementMappings(s,n[r])}Jd(o[i]);e.equal++}else{e[i]++}}}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e);this.domConverter.bindElements(e,t);this.markedChildren.add(t);this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();if(t.parent.is("$text")){return Al._createBefore(this.selection.getFirstPosition().parent)}else{return t}}_isSelectionInInlineFiller(){if(this.selection.rangeCount!=1||!this.selection.isCollapsed){return false}const t=this.selection.getFirstPosition();const e=this.domConverter.viewPositionToDom(t);if(e&&Pd(e.parent)&&Od(e.parent)){return true}return false}_removeInlineFiller(){const t=this._inlineFiller;if(!Od(t)){throw new u["a"]("view-renderer-filler-was-lost",this)}if(Nd(t)){t.parentNode.removeChild(t)}else{t.data=t.data.substr(Fd)}this._inlineFiller=null}_needsInlineFillerAtSelection(){if(this.selection.rangeCount!=1||!this.selection.isCollapsed){return false}const t=this.selection.getFirstPosition();const e=t.parent;const n=t.offset;if(!this.domConverter.mapViewToDom(e.root)){return false}if(!e.is("element")){return false}if(!Xd(e)){return false}if(n===e.getFillerOffset()){return false}const o=t.nodeBefore;const i=t.nodeAfter;if(o instanceof Na||i instanceof Na){return false}return true}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t);const o=this.domConverter.viewToDom(t,n.ownerDocument);const i=n.data;let r=o.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index){r=zd+r}if(i!=r){const t=Hd(i,r);for(const e of t){if(e.type==="insert"){n.insertData(e.index,e.values.join(""))}else{n.deleteData(e.index,e.howMany)}}}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e){return}const n=Array.from(e.attributes).map((t=>t.name));const o=t.getAttributeKeys();for(const n of o){e.setAttribute(n,t.getAttribute(n))}for(const o of n){if(!t.hasAttribute(o)){e.removeAttribute(o)}}}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n){return}const o=e.inlineFillerPosition;const i=this.domConverter.mapViewToDom(t).childNodes;const r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:true,inlineFillerPosition:o}));if(o&&o.parent===t){Zd(n.ownerDocument,r,o.offset)}const s=this._diffNodeLists(i,r);let a=0;const c=new Set;for(const t of s){if(t==="delete"){c.add(i[a]);Jd(i[a])}else if(t==="equal"){a++}}a=0;for(const t of s){if(t==="insert"){$d(n,a,r[a]);a++}else if(t==="equal"){this._markDescendantTextToSync(this.domConverter.domToView(r[a]));a++}}for(const t of c){if(!t.parentNode){this.domConverter.unbindDomElement(t)}}}_diffNodeLists(t,e){t=ou(t,this._fakeSelectionContainer);return Ud(t,e,eu.bind(null,this.domConverter))}_findReplaceActions(t,e,n){if(t.indexOf("insert")===-1||t.indexOf("delete")===-1){return t}let o=[];let i=[];let r=[];const s={equal:0,insert:0,delete:0};for(const a of t){if(a==="insert"){r.push(n[s.equal+s.insert])}else if(a==="delete"){i.push(e[s.equal+s.delete])}else{o=o.concat(Ud(i,r,tu).map((t=>t==="equal"?"replace":t)));o.push("equal");i=[];r=[]}s[a]++}return o.concat(Ud(i,r,tu).map((t=>t==="equal"?"replace":t)))}_markDescendantTextToSync(t){if(!t){return}if(t.is("$text")){this.markedTexts.add(t)}else if(t.is("element")){for(const e of t.getChildren()){this._markDescendantTextToSync(e)}}}_updateSelection(){if(this.selection.rangeCount===0){this._removeDomSelection();this._removeFakeSelection();return}const t=this.domConverter.mapViewToDom(this.selection.editableElement);if(!this.isFocused||!t){return}if(this.selection.isFake){this._updateFakeSelection(t)}else{this._removeFakeSelection();this._updateDomSelection(t)}}_updateFakeSelection(t){const e=t.ownerDocument;if(!this._fakeSelectionContainer){this._fakeSelectionContainer=iu(e)}const n=this._fakeSelectionContainer;this.domConverter.bindFakeSelection(n,this.selection);if(!this._fakeSelectionNeedsUpdate(t)){return}if(!n.parentElement||n.parentElement!=t){t.appendChild(n)}n.textContent=this.selection.fakeSelectionLabel||" ";const o=e.getSelection();const i=e.createRange();o.removeAllRanges();i.selectNodeContents(n);o.addRange(i)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e)){return}const n=this.domConverter.viewPositionToDom(this.selection.anchor);const o=this.domConverter.viewPositionToDom(this.selection.focus);e.collapse(n.parent,n.offset);e.extend(o.parent,o.offset);if(Wl.isGecko){nu(o,e)}}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t)){return true}const e=t&&this.domConverter.domSelectionToView(t);if(e&&this.selection.isEqual(e)){return false}if(!this.selection.isCollapsed&&this.selection.isSimilar(e)){return false}return true}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer;const n=t.ownerDocument.getSelection();if(!e||e.parentElement!==t){return true}if(n.anchorNode!==e&&!e.contains(n.anchorNode)){return true}return e.textContent!==this.selection.fakeSelectionLabel}_removeDomSelection(){for(const t of this.domDocuments){const e=t.getSelection();if(e.rangeCount){const e=t.activeElement;const n=this.domConverter.mapDomToView(e);if(e&&n){t.getSelection().removeAllRanges()}}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;if(t){t.remove()}}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;if(t){this.domConverter.focus(t)}}}}Hn(Qd,Tn);function Xd(t){if(t.getAttribute("contenteditable")=="false"){return false}const e=t.findAncestor((t=>t.hasAttribute("contenteditable")));return!e||e.getAttribute("contenteditable")=="true"}function Zd(t,e,n){const o=e instanceof Array?e:e.childNodes;const i=o[n];if(Pd(i)){i.data=zd+i.data;return i}else{const i=t.createTextNode(zd);if(Array.isArray(e)){o.splice(n,0,i)}else{$d(e,n,i)}return i}}function tu(t,e){return Yd(t)&&Yd(e)&&!Pd(t)&&!Pd(e)&&t.nodeType!==Node.COMMENT_NODE&&e.nodeType!==Node.COMMENT_NODE&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function eu(t,e,n){if(e===n){return true}else if(Pd(e)&&Pd(n)){return e.data===n.data}else if(t.isBlockFiller(e)&&t.isBlockFiller(n)){return true}return false}function nu(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1){return}const o=n.childNodes[t.offset];if(o&&o.tagName=="BR"){e.addRange(e.getRangeAt(0))}}function ou(t,e){const n=Array.from(t);if(n.length==0||!e){return n}const o=n[n.length-1];if(o==e){n.pop()}return n}function iu(t){const e=t.createElement("div");e.className="ck-fake-selection-container";Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"});e.textContent=" ";return e}var ru={window:window,document:document};function su(t){let e=0;while(t.previousSibling){t=t.previousSibling;e++}return e}function au(t){const e=[];while(t&&t.nodeType!=Node.DOCUMENT_NODE){e.unshift(t);t=t.parentNode}return e}function cu(t,e){const n=au(t);const o=au(e);let i=0;while(n[i]==o[i]&&n[i]){i++}return i===0?null:n[i-1]}const lu=Rd(document);class du{constructor(t,e={}){this.document=t;this.blockFillerMode=e.blockFillerMode||"br";this.preElements=["pre"];this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption","td","th"];this._blockFiller=this.blockFillerMode=="br"?Rd:Id;this._domToViewMapping=new WeakMap;this._viewToDomMapping=new WeakMap;this._fakeSelectionMapping=new WeakMap;this._rawContentElementMatcher=new Ha;this._encounteredRawContentDomNodes=new WeakSet}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new xl(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e);this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t);this._viewToDomMapping.delete(e);for(const e of t.childNodes){this.unbindDomElement(e)}}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e);this._viewToDomMapping.set(e,t)}viewToDom(t,e,n={}){if(t.is("$text")){const n=this._processDataFromViewText(t);return e.createTextNode(n)}else{if(this.mapViewToDom(t)){return this.mapViewToDom(t)}let o;if(t.is("documentFragment")){o=e.createDocumentFragment();if(n.bind){this.bindDocumentFragments(o,t)}}else if(t.is("uiElement")){o=t.render(e);if(n.bind){this.bindElements(o,t)}return o}else{if(t.hasAttribute("xmlns")){o=e.createElementNS(t.getAttribute("xmlns"),t.name)}else{o=e.createElement(t.name)}if(t.is("rawElement")){t.render(o)}if(n.bind){this.bindElements(o,t)}for(const e of t.getAttributeKeys()){o.setAttribute(e,t.getAttribute(e))}}if(n.withChildren!==false){for(const i of this.viewChildrenToDom(t,e,n)){o.appendChild(i)}}return o}}*viewChildrenToDom(t,e,n={}){const o=t.getFillerOffset&&t.getFillerOffset();let i=0;for(const r of t.getChildren()){if(o===i){yield this._blockFiller(e)}yield this.viewToDom(r,e,n);i++}if(o===i){yield this._blockFiller(e)}}viewRangeToDom(t){const e=this.viewPositionToDom(t.start);const n=this.viewPositionToDom(t.end);const o=document.createRange();o.setStart(e.parent,e.offset);o.setEnd(n.parent,n.offset);return o}viewPositionToDom(t){const e=t.parent;if(e.is("$text")){const n=this.findCorrespondingDomText(e);if(!n){return null}let o=t.offset;if(Od(n)){o+=Fd}return{parent:n,offset:o}}else{let n,o,i;if(t.offset===0){n=this.mapViewToDom(e);if(!n){return null}i=n.childNodes[0]}else{const e=t.nodeBefore;o=e.is("$text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore);if(!o){return null}n=o.parentNode;i=o.nextSibling}if(Pd(i)&&Od(i)){return{parent:i,offset:Fd}}const r=o?su(o)+1:0;return{parent:n,offset:r}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode)){return null}const n=this.getHostViewElement(t);if(n){return n}if(Pd(t)){if(Nd(t)){return null}else{const e=this._processDataFromDomText(t);return e===""?null:new Na(this.document,e)}}else if(this.isComment(t)){return null}else{if(this.mapDomToView(t)){return this.mapDomToView(t)}let n;if(this.isDocumentFragment(t)){n=new 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o=t.selection;if(o.isFake&&this.isEnabled){this._handleSelectionMove(n.keyCode)}}),{priority:"lowest"})}destroy(){super.destroy();this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection;const n=new xl(e.getRanges(),{backward:e.isBackward,fake:false});if(t==td.arrowleft||t==td.arrowup){n.setTo(n.getFirstPosition())}if(t==td.arrowright||t==td.arrowdown){n.setTo(n.getLastPosition())}const o={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",o);this._fireSelectionChangeDoneDebounced(o)}}class Wh extends Cu{constructor(t){super(t);this.mutationObserver=t.getObserver(Ch);this.selection=this.document.selection;this.domConverter=t.domConverter;this._documents=new WeakSet;this._fireSelectionChangeDoneDebounced=qh((t=>this.document.fire("selectionChangeDone",t)),200);this._clearInfiniteLoopInterval=setInterval((()=>this._clearInfiniteLoop()),1e3);this._loopbackCounter=0}observe(t){const e=t.ownerDocument;if(this._documents.has(e)){return}this.listenTo(e,"selectionchange",((t,n)=>{this._handleSelectionChange(n,e)}));this._documents.add(e)}destroy(){super.destroy();clearInterval(this._clearInfiniteLoopInterval);this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t,e){if(!this.isEnabled){return}const n=e.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(n.anchorNode)){return}this.mutationObserver.flush();const o=this.domConverter.domSelectionToView(n);if(o.rangeCount==0){this.view.hasDomSelection=false;return}this.view.hasDomSelection=true;if(this.selection.isEqual(o)&&this.domConverter.isDomSelectionCorrect(n)){return}if(++this._loopbackCounter>60){return}if(this.selection.isSimilar(o)){this.view.forceRender()}else{const t={oldSelection:this.selection,newSelection:o,domSelection:n};this.document.fire("selectionChange",t);this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class Gh extends _h{constructor(t){super(t);this.domEventType=["focus","blur"];this.useCapture=true;const e=this.document;e.on("focus",(()=>{e.isFocused=true;this._renderTimeoutId=setTimeout((()=>t.forceRender()),50)}));e.on("blur",((n,o)=>{const i=e.selection.editableElement;if(i===null||i===o.target){e.isFocused=false;t.forceRender()}}))}onDomEvent(t){this.fire(t.type,t)}destroy(){if(this._renderTimeoutId){clearTimeout(this._renderTimeoutId)}super.destroy()}}class Uh extends _h{constructor(t){super(t);this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",(()=>{e.isComposing=true}));e.on("compositionend",(()=>{e.isComposing=false}))}onDomEvent(t){this.fire(t.type,t)}}class $h extends _h{constructor(t){super(t);this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}class Jh{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e});t.style.display="none";if(e){t.parentNode.insertBefore(e,t.nextSibling)}}restore(){this._replacedElements.forEach((({element:t,newElement:e})=>{t.style.display="";if(e){e.remove()}}));this._replacedElements=[]}}var Yh="[object String]";function Qh(t){return typeof t=="string"||!xe(t)&&ge(t)&&G(t)==Yh}var Xh=Qh;function Zh(t,e,n={},o=[]){const i=n&&n.xmlns;const r=i?t.createElementNS(i,e):t.createElement(e);for(const t in n){r.setAttribute(t,n[t])}if(Xh(o)||!ba(o)){o=[o]}for(let e of o){if(Xh(e)){e=t.createTextNode(e)}r.appendChild(e)}return r}function tf(t){if(t instanceof HTMLTextAreaElement){return t.value}return t.innerHTML}function ef(t){return Object.prototype.toString.apply(t)=="[object Range]"}function nf(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const of=["top","right","bottom","left","width","height"];class rf{constructor(t){const e=ef(t);Object.defineProperty(this,"_source",{value:t._source||t,writable:true,enumerable:false});if(fa(t)||e){if(e){const e=rf.getDomRangeRects(t);sf(this,rf.getBoundingRect(e))}else{sf(this,t.getBoundingClientRect())}}else if(gu(t)){const{innerWidth:e,innerHeight:n}=t;sf(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else{sf(this,t)}}clone(){return new rf(this)}moveTo(t,e){this.top=e;this.right=t+this.width;this.bottom=e+this.height;this.left=t;return this}moveBy(t,e){this.top+=e;this.right+=t;this.left+=t;this.bottom+=e;return this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};e.width=e.right-e.left;e.height=e.bottom-e.top;if(e.width<0||e.height<0){return null}else{return new rf(e)}}getIntersectionArea(t){const e=this.getIntersection(t);if(e){return e.getArea()}else{return 0}}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!af(t)){let n=t.parentNode||t.commonAncestorContainer;while(n&&!af(n)){const t=new rf(n);const o=e.getIntersection(t);if(o){if(o.getArea(){for(const e of t){const t=lf._getElementCallbacks(e.target);if(t){for(const n of t){n(e)}}}}))}}lf._observerInstance=null;lf._elementCallbacks=null;class df{constructor(t){this._callback=t;this._elements=new Set;this._previousRects=new Map;this._periodicCheckTimeout=null}observe(t){this._elements.add(t);this._checkElementRectsAndExecuteCallback();if(this._elements.size===1){this._startPeriodicCheck()}}unobserve(t){this._elements.delete(t);this._previousRects.delete(t);if(!this._elements.size){this._stopPeriodicCheck()}}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback();this._periodicCheckTimeout=setTimeout(t,cf)};this.listenTo(ru.window,"resize",(()=>{this._checkElementRectsAndExecuteCallback()}));this._periodicCheckTimeout=setTimeout(t,cf)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout);this.stopListening();this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements){if(this._hasRectChanged(e)){t.push({target:e,contentRect:this._previousRects.get(e)})}}if(t.length){this._callback(t)}}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t)){return false}const e=new rf(t);const n=this._previousRects.get(t);const o=!n||!n.isEqual(e);this._previousRects.set(t,e);return o}}Hn(df,bu);function uf(t,e){if(t instanceof HTMLTextAreaElement){t.value=e}t.innerHTML=e}function hf(t){return e=>e+t}function ff(t){const e=t.next();if(e.done){return null}return e.value}class mf{constructor(){this.set("isFocused",false);this.set("focusedElement",null);this._elements=new Set;this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t)){throw new u["a"]("focustracker-add-element-already-exist",this)}this.listenTo(t,"focus",(()=>this._focus(t)),{useCapture:true});this.listenTo(t,"blur",(()=>this._blur()),{useCapture:true});this._elements.add(t)}remove(t){if(t===this.focusedElement){this._blur(t)}if(this._elements.has(t)){this.stopListening(t);this._elements.delete(t)}}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout);this.focusedElement=t;this.isFocused=true}_blur(){clearTimeout(this._nextEventLoopTimeout);this._nextEventLoopTimeout=setTimeout((()=>{this.focusedElement=null;this.isFocused=false}),0)}}Hn(mf,bu);Hn(mf,Tn);class gf{constructor(){this._listener=Object.create(bu)}listenTo(t){this._listener.listenTo(t,"keydown",((t,e)=>{this._listener.fire("_keydown:"+nd(e),e)}))}set(t,e,n={}){const o=od(t);const i=n.priority;this._listener.listenTo(this._listener,"_keydown:"+o,((t,n)=>{e(n,(()=>{n.preventDefault();n.stopPropagation();t.stop()}));t.return=true}),{priority:i})}press(t){return!!this._listener.fire("_keydown:"+nd(t),t)}destroy(){this._listener.stopListening()}}class pf extends Cu{constructor(t){super(t);this.document.on("keydown",((t,e)=>{if(this.isEnabled&&rd(e.keyCode)){const n=new Dl(this.document,"arrowKey",this.document.selection.getFirstRange());this.document.fire(n,e);if(n.stop.called){t.stop()}}}))}observe(){}}const bf={};function kf({target:t,viewportOffset:e=0}){const n=Ef(t);let o=n;let i=null;while(o){let r;if(o==n){r=Df(t)}else{r=Df(i)}Af(r,(()=>Sf(t,o)));const s=Sf(t,o);Cf(o,s,e);if(o.parent!=o){i=o.frameElement;o=o.parent;if(!i){return}}else{o=null}}}function wf(t){const e=Df(t);Af(e,(()=>new rf(t)))}Object.assign(bf,{scrollViewportToShowTarget:kf,scrollAncestorsToShowTarget:wf});function Cf(t,e,n){const o=e.clone().moveBy(0,n);const i=e.clone().moveBy(0,-n);const r=new rf(t).excludeScrollbarsAndBorders();const s=[i,o];if(!s.every((t=>r.contains(t)))){let{scrollX:s,scrollY:a}=t;if(vf(i,r)){a-=r.top-e.top+n}else if(_f(o,r)){a+=e.bottom-r.bottom+n}if(yf(e,r)){s-=r.left-e.left+n}else if(xf(e,r)){s+=e.right-r.right+n}t.scrollTo(s,a)}}function Af(t,e){const n=Ef(t);let o,i;while(t!=n.document.body){i=e();o=new rf(t).excludeScrollbarsAndBorders();if(!o.contains(i)){if(vf(i,o)){t.scrollTop-=o.top-i.top}else if(_f(i,o)){t.scrollTop+=i.bottom-o.bottom}if(yf(i,o)){t.scrollLeft-=o.left-i.left}else if(xf(i,o)){t.scrollLeft+=i.right-o.right}}t=t.parentNode}}function _f(t,e){return t.bottom>e.bottom}function vf(t,e){return t.tope.right}function Ef(t){if(ef(t)){return t.startContainer.ownerDocument.defaultView}else{return t.ownerDocument.defaultView}}function Df(t){if(ef(t)){let e=t.commonAncestorContainer;if(Pd(e)){e=e.parentNode}return e}else{return t.parentNode}}function Sf(t,e){const n=Ef(t);const o=new rf(t);if(n===e){return o}else{let t=n;while(t!=e){const e=t.frameElement;const n=new rf(e).excludeScrollbarsAndBorders();o.moveBy(n.left,n.top);t=t.parent}}return o}class Bf{constructor(t){this.document=new Ol(t);this.domConverter=new du(this.document);this.domRoots=new Map;this.set("isRenderingInProgress",false);this.set("hasDomSelection",false);this._renderer=new Qd(this.domConverter,this.document.selection);this._renderer.bind("isFocused").to(this.document);this._initialDomRootAttributes=new WeakMap;this._observers=new Map;this._ongoingChange=false;this._postFixersInProgress=false;this._renderingDisabled=false;this._hasChangedSinceTheLastRendering=false;this._writer=new wd(this.document);this.addObserver(Ch);this.addObserver(Wh);this.addObserver(Gh);this.addObserver(vh);this.addObserver(jh);this.addObserver(Uh);this.addObserver(pf);if(Wl.isAndroid){this.addObserver($h)}Vd(this);hd(this);this.on("render",(()=>{this._render();this.document.fire("layoutChanged");this._hasChangedSinceTheLastRendering=false}));this.listenTo(this.document.selection,"change",(()=>{this._hasChangedSinceTheLastRendering=true}))}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const o={};for(const{name:e,value:i}of Array.from(t.attributes)){o[e]=i;if(e==="class"){this._writer.addClass(i.split(" "),n)}else{this._writer.setAttribute(e,i,n)}}this._initialDomRootAttributes.set(t,o);const i=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n);if(n.isReadOnly){this._writer.addClass("ck-read-only",n)}else{this._writer.removeClass("ck-read-only",n)}};i();this.domRoots.set(e,t);this.domConverter.bindElements(t,n);this._renderer.markToSync("children",n);this._renderer.markToSync("attributes",n);this._renderer.domDocuments.add(t.ownerDocument);n.on("change:children",((t,e)=>this._renderer.markToSync("children",e)));n.on("change:attributes",((t,e)=>this._renderer.markToSync("attributes",e)));n.on("change:text",((t,e)=>this._renderer.markToSync("text",e)));n.on("change:isReadOnly",(()=>this.change(i)));n.on("change",(()=>{this._hasChangedSinceTheLastRendering=true}));for(const n of this._observers.values()){n.observe(t,e)}}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach((({name:t})=>e.removeAttribute(t)));const n=this._initialDomRootAttributes.get(e);for(const t in n){e.setAttribute(t,n[t])}this.domRoots.delete(t);this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e){return e}e=new t(this);this._observers.set(t,e);for(const[t,n]of this.domRoots){e.observe(n,t)}e.enable();return e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values()){t.disable()}}enableObservers(){for(const t of this._observers.values()){t.enable()}}scrollToTheSelection(){const t=this.document.selection.getFirstRange();if(t){kf({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;if(t){this.domConverter.focus(t);this.forceRender()}else{}}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress){throw new u["a"]("cannot-change-view-tree",this)}try{if(this._ongoingChange){return t(this._writer)}this._ongoingChange=true;const e=t(this._writer);this._ongoingChange=false;if(!this._renderingDisabled&&this._hasChangedSinceTheLastRendering){this._postFixersInProgress=true;this.document._callPostFixers(this._writer);this._postFixersInProgress=false;this.fire("render")}return e}catch(t){u["a"].rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=true;this.change((()=>{}))}destroy(){for(const t of this._observers.values()){t.destroy()}this.document.destroy();this.stopListening()}createPositionAt(t,e){return Al._createAt(t,e)}createPositionAfter(t){return Al._createAfter(t)}createPositionBefore(t){return Al._createBefore(t)}createRange(t,e){return new _l(t,e)}createRangeOn(t){return _l._createOn(t)}createRangeIn(t){return _l._createIn(t)}createSelection(t,e,n){return new xl(t,e,n)}_disableRendering(t){this._renderingDisabled=t;if(t==false){this.change((()=>{}))}}_render(){this.isRenderingInProgress=true;this.disableObservers();this._renderer.render();this.enableObservers();this.isRenderingInProgress=false}}Hn(Bf,Tn);class Tf{constructor(t){this.parent=null;this._attrs=La(t)}get index(){let t;if(!this.parent){return null}if((t=this.parent.getChildIndex(this))===null){throw new u["a"]("model-node-not-found-in-parent",this)}return t}get startOffset(){let t;if(!this.parent){return null}if((t=this.parent.getChildStartOffset(this))===null){throw new u["a"]("model-node-not-found-in-parent",this)}return t}get offsetSize(){return 1}get endOffset(){if(!this.parent){return null}return this.startOffset+this.offsetSize}get nextSibling(){const t=this.index;return t!==null&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return t!==null&&this.parent.getChild(t-1)||null}get root(){let t=this;while(t.parent){t=t.parent}return t}isAttached(){return this.root.is("rootElement")}getPath(){const t=[];let e=this;while(e.parent){t.unshift(e.startOffset);e=e.parent}return t}getAncestors(t={includeSelf:false,parentFirst:false}){const e=[];let n=t.includeSelf?this:this.parent;while(n){e[t.parentFirst?"push":"unshift"](n);n=n.parent}return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e);const o=t.getAncestors(e);let i=0;while(n[i]==o[i]&&n[i]){i++}return i===0?null:n[i-1]}isBefore(t){if(this==t){return false}if(this.root!==t.root){return false}const e=this.getPath();const n=t.getPath();const o=Ia(e,n);switch(o){case"prefix":return true;case"extension":return false;default:return e[o]{t[e[0]]=e[1];return t}),{})}return t}is(t){return t==="node"||t==="model:node"}_clone(){return new Tf(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=La(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class Pf extends Tf{constructor(t,e){super(e);this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return t==="$text"||t==="model:$text"||t==="text"||t==="model:text"||t==="node"||t==="model:node"}toJSON(){const t=super.toJSON();t.data=this.data;return t}_clone(){return new Pf(this.data,this.getAttributes())}static fromJSON(t){return new Pf(t.data,t.attributes)}}class If{constructor(t,e,n){this.textNode=t;if(e<0||e>t.offsetSize){throw new u["a"]("model-textproxy-wrong-offsetintext",this)}if(n<0||e+n>t.offsetSize){throw new u["a"]("model-textproxy-wrong-length",this)}this.data=t.data.substring(e,e+n);this.offsetInText=e}get startOffset(){return this.textNode.startOffset!==null?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return this.startOffset!==null?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(t){return t==="$textProxy"||t==="model:$textProxy"||t==="textProxy"||t==="model:textProxy"}getPath(){const t=this.textNode.getPath();if(t.length>0){t[t.length-1]+=this.offsetInText}return t}getAncestors(t={includeSelf:false,parentFirst:false}){const e=[];let n=t.includeSelf?this:this.parent;while(n){e[t.parentFirst?"push":"unshift"](n);n=n.parent}return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class Rf{constructor(t){this._nodes=[];if(t){this._insertNodes(0,t)}}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce(((t,e)=>t+e.offsetSize),0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return e==-1?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return e===null?null:this._nodes.slice(0,e).reduce(((t,e)=>t+e.offsetSize),0)}indexToOffset(t){if(t==this._nodes.length){return this.maxOffset}const e=this._nodes[t];if(!e){throw new u["a"]("model-nodelist-index-out-of-bounds",this)}return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&tt.toJSON()))}}class Ff extends Tf{constructor(t,e,n){super(e);this.name=t;this._children=new Rf;if(n){this._insertChild(0,n)}}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return this.childCount===0}is(t,e=null){if(!e){return t==="element"||t==="model:element"||t==="node"||t==="model:node"}return e===this.name&&(t==="element"||t==="model:element")}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t){e=e.getChild(e.offsetToIndex(n))}return e}findAncestor(t,e={includeSelf:false}){let n=e.includeSelf?this:this.parent;while(n){if(n.name===t){return n}n=n.parent}return null}toJSON(){const t=super.toJSON();t.name=this.name;if(this._children.length>0){t.children=[];for(const e of this._children){t.children.push(e.toJSON())}}return t}_clone(t=false){const e=t?Array.from(this._children).map((t=>t._clone(true))):null;return new Ff(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=zf(e);for(const t of n){if(t.parent!==null){t._remove()}t.parent=this}this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n){t.parent=null}return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children){if(n.name){e.push(Ff.fromJSON(n))}else{e.push(Pf.fromJSON(n))}}}return new Ff(t.name,t.attributes,e)}}function zf(t){if(typeof t=="string"){return[new Pf(t)]}if(!ba(t)){t=[t]}return Array.from(t).map((t=>{if(typeof t=="string"){return new Pf(t)}if(t instanceof If){return new Pf(t.data,t.getAttributes())}return t}))}class Of{constructor(t={}){if(!t.boundaries&&!t.startPosition){throw new u["a"]("model-tree-walker-no-start-position",null)}const e=t.direction||"forward";if(e!="forward"&&e!="backward"){throw new u["a"]("model-tree-walker-unknown-direction",t,{direction:e})}this.direction=e;this.boundaries=t.boundaries||null;if(t.startPosition){this.position=t.startPosition.clone()}else{this.position=Mf._createAt(this.boundaries[this.direction=="backward"?"end":"start"])}this.position.stickiness="toNone";this.singleCharacters=!!t.singleCharacters;this.shallow=!!t.shallow;this.ignoreElementEnd=!!t.ignoreElementEnd;this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null;this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null;this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,o,i;do{o=this.position;i=this._visitedParent;({done:e,value:n}=this.next())}while(!e&&t(n));if(!e){this.position=o;this._visitedParent=i}}next(){if(this.direction=="forward"){return this._next()}else{return this._previous()}}_next(){const t=this.position;const e=this.position.clone();const n=this._visitedParent;if(n.parent===null&&e.offset===n.maxOffset){return{done:true}}if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset){return{done:true}}const o=e.parent;const i=Vf(e,o);const r=i?i:Lf(e,o,i);if(r instanceof Ff){if(!this.shallow){e.path.push(0);this._visitedParent=r}else{e.offset++}this.position=e;return Nf("elementStart",r,t,e,1)}else if(r instanceof Pf){let o;if(this.singleCharacters){o=1}else{let t=r.endOffset;if(this._boundaryEndParent==n&&this.boundaries.end.offsett){t=this.boundaries.start.offset}o=e.offset-t}const i=e.offset-r.startOffset;const s=new If(r,i-o,o);e.offset-=o;this.position=e;return Nf("text",s,t,e,o)}else{e.path.pop();this.position=e;this._visitedParent=n.parent;return Nf("elementStart",n,t,e,1)}}}function Nf(t,e,n,o,i){return{done:false,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}class Mf{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment")){throw new u["a"]("model-position-root-invalid",t)}if(!(e instanceof Array)||e.length===0){throw new u["a"]("model-position-path-incorrect-format",t,{path:e})}if(t.is("rootElement")){e=e.slice()}else{e=[...t.getPath(),...e];t=t.root}this.root=t;this.path=e;this.stickiness=n}get offset(){return this.path[this.path.length-1]}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;en.path.length){if(e.offset!==i.maxOffset){return false}e.path=e.path.slice(0,-1);i=i.parent;e.offset++}else{if(n.offset!==0){return false}n.path=n.path.slice(0,-1)}}}is(t){return t==="position"||t==="model:position"}hasSameParentAs(t){if(this.root!==t.root){return false}const e=this.getParentPath();const n=t.getParentPath();return Ia(e,n)=="same"}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=Mf._createAt(this);break}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;const n=e.containsPosition(this)||e.start.isEqual(this)&&this.stickiness=="toNext";if(n){return this._getCombined(t.splitPosition,t.moveTargetPosition)}else{if(t.graveyardPosition){return this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1)}else{return this._getTransformedByInsertion(t.insertionPosition,1)}}}_getTransformedByMergeOperation(t){const e=t.movedRange;const n=e.containsPosition(this)||e.start.isEqual(this);let o;if(n){o=this._getCombined(t.sourcePosition,t.targetPosition);if(t.sourcePosition.isBefore(t.targetPosition)){o=o._getTransformedByDeletion(t.deletionPosition,1)}}else if(this.isEqual(t.deletionPosition)){o=Mf._createAt(t.deletionPosition)}else{o=this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1)}return o}_getTransformedByDeletion(t,e){const n=Mf._createAt(this);if(this.root!=t.root){return n}if(Ia(t.getParentPath(),this.getParentPath())=="same"){if(t.offsetthis.offset){return null}else{n.offset-=e}}}else if(Ia(t.getParentPath(),this.getParentPath())=="prefix"){const o=t.path.length-1;if(t.offset<=this.path[o]){if(t.offset+e>this.path[o]){return null}else{n.path[o]-=e}}}return n}_getTransformedByInsertion(t,e){const n=Mf._createAt(this);if(this.root!=t.root){return n}if(Ia(t.getParentPath(),this.getParentPath())=="same"){if(t.offsete+1){const e=o.maxOffset-n.offset;if(e!==0){t.push(new Kf(n,n.getShiftedBy(e)))}n.path=n.path.slice(0,-1);n.offset++;o=o.parent}while(n.path.length<=this.end.path.length){const e=this.end.path[n.path.length-1];const o=e-n.offset;if(o!==0){t.push(new Kf(n,n.getShiftedBy(o)))}n.offset=e;n.path.push(0)}return t}getWalker(t={}){t.boundaries=this;return new Of(t)}*getItems(t={}){t.boundaries=this;t.ignoreElementEnd=true;const e=new Of(t);for(const t of e){yield t.item}}*getPositions(t={}){t.boundaries=this;const e=new Of(t);yield e.position;for(const t of e){yield t.nextPosition}}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new Kf(this.start,this.end)]}getTransformedByOperations(t){const e=[new Kf(this.start,this.end)];for(const n of t){for(let t=0;t0?new this(n,o):new this(o,n)}static _createIn(t){return new this(Mf._createAt(t,0),Mf._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(Mf._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(t.length===0){throw new u["a"]("range-create-from-ranges-empty-array",null)}else if(t.length==1){return t[0].clone()}const e=t[0];t.sort(((t,e)=>t.start.isAfter(e.start)?1:-1));const n=t.indexOf(e);const o=new this(e.start,e.end);if(n>0){for(let e=n-1;true;e++){if(t[e].end.isEqual(o.start)){o.start=Mf._createAt(t[e].start)}else{break}}}for(let e=n+1;e{if(e.viewPosition){return}const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this.findPositionIn(n,e.modelPosition.offset)}),{priority:"low"});this.on("viewToModelPosition",((t,e)=>{if(e.modelPosition){return}const n=this.findMappedViewAncestor(e.viewPosition);const o=this._viewToModelMapping.get(n);const i=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=Mf._createAt(o,i)}),{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e);this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);this._viewToModelMapping.delete(t);if(this._elementToMarkerNames.has(t)){for(const e of this._elementToMarkerNames.get(t)){this._unboundMarkerNames.add(e)}}if(this._modelToViewMapping.get(e)==t){this._modelToViewMapping.delete(e)}}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t);if(this._viewToModelMapping.get(e)==t){this._viewToModelMapping.delete(e)}}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const o=this._elementToMarkerNames.get(t)||new Set;o.add(e);this._markerNameToElements.set(e,n);this._elementToMarkerNames.set(t,o)}unbindElementFromMarkerName(t,e){const n=this._markerNameToElements.get(e);if(n){n.delete(t);if(n.size==0){this._markerNameToElements.delete(e)}}const o=this._elementToMarkerNames.get(t);if(o){o.delete(e);if(o.size==0){this._elementToMarkerNames.delete(t)}}}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);this._unboundMarkerNames.clear();return t}clearBindings(){this._modelToViewMapping=new WeakMap;this._viewToModelMapping=new WeakMap;this._markerNameToElements=new Map;this._elementToMarkerNames=new Map;this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new Kf(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new _l(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};this.fire("viewToModelPosition",e);return e.modelPosition}toViewPosition(t,e={isPhantom:false}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};this.fire("modelToViewPosition",n);return n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e){return null}const n=new Set;for(const t of e){if(t.is("attributeElement")){for(const e of t.getElementsWithSameId()){n.add(e)}}else{n.add(t)}}return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;while(!this._viewToModelMapping.has(e)){e=e.parent}return e}_toModelOffset(t,e,n){if(n!=t){const o=this._toModelOffset(t.parent,t.index,n);const i=this._toModelOffset(t,e,t);return o+i}if(t.is("$text")){return e}let o=0;for(let n=0;n1?e[0]+":"+e[1]:e[0]}class Gf{constructor(t){this.conversionApi=Object.assign({dispatcher:this},t);this._reconversionEventsMapping=new Map}convertChanges(t,e,n){for(const e of t.getMarkersToRemove()){this.convertMarkerRemove(e.name,e.range,n)}const o=this._mapChangesWithAutomaticReconversion(t);for(const t of o){if(t.type==="insert"){this.convertInsert(Kf._createFromPositionAndShift(t.position,t.length),n)}else if(t.type==="remove"){this.convertRemove(t.position,t.length,t.name,n)}else if(t.type==="reconvert"){this.reconvertElement(t.element,n)}else{this.convertAttribute(t.range,t.attributeKey,t.attributeOldValue,t.attributeNewValue,n)}}for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const o=e.get(t).getRange();this.convertMarkerRemove(t,o,n);this.convertMarkerAdd(t,o,n)}for(const e of t.getMarkersToAdd()){this.convertMarkerAdd(e.name,e.range,n)}}convertInsert(t,e){this.conversionApi.writer=e;this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of Array.from(t).map(Jf)){this._convertInsertWithAttributes(e)}this._clearConversionApi()}convertRemove(t,e,n,o){this.conversionApi.writer=o;this.fire("remove:"+n,{position:t,length:e},this.conversionApi);this._clearConversionApi()}convertAttribute(t,e,n,o,i){this.conversionApi.writer=i;this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const i of t){const t=i.item;const r=Kf._createFromPositionAndShift(i.previousPosition,i.length);const s={item:t,range:r,attributeKey:e,attributeOldValue:n,attributeNewValue:o};this._testAndFire(`attribute:${e}`,s)}this._clearConversionApi()}reconvertElement(t,e){const n=Kf._createOn(t);this.conversionApi.writer=e;this.conversionApi.consumable=this._createInsertConsumable(n);const o=this.conversionApi.mapper;const i=o.toViewElement(t);e.remove(i);this._convertInsertWithAttributes({item:t,range:n});const r=o.toViewElement(t);for(const n of Kf._createIn(t)){const{item:t}=n;const i=Yf(t,o);if(i){if(i.root!==r.root){e.move(e.createRangeOn(i),o.toViewPosition(Mf._createBefore(t)))}}else{this._convertInsertWithAttributes(Jf(n))}}o.unbindViewElement(i);this._clearConversionApi()}convertSelection(t,e,n){const o=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));this.conversionApi.writer=n;this.conversionApi.consumable=this._createSelectionConsumable(t,o);this.fire("selection",{selection:t},this.conversionApi);if(!t.isCollapsed){return}for(const e of o){const n=e.getRange();if(!Uf(t.getFirstPosition(),e,this.conversionApi.mapper)){continue}const o={item:t,markerName:e.name,markerRange:n};if(this.conversionApi.consumable.test(t,"addMarker:"+e.name)){this.fire("addMarker:"+e.name,o,this.conversionApi)}}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};if(this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)){this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}}this._clearConversionApi()}convertMarkerAdd(t,e,n){if(!e.root.document||e.root.rootName=="$graveyard"){return}this.conversionApi.writer=n;const o="addMarker:"+t;const i=new jf;i.add(e,o);this.conversionApi.consumable=i;this.fire(o,{markerName:t,markerRange:e},this.conversionApi);if(!i.test(e,o)){return}this.conversionApi.consumable=this._createConsumableForRange(e,o);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,o)){continue}const i={item:n,range:Kf._createOn(n),markerName:t,markerRange:e};this.fire(o,i,this.conversionApi)}this._clearConversionApi()}convertMarkerRemove(t,e,n){if(!e.root.document||e.root.rootName=="$graveyard"){return}this.conversionApi.writer=n;this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi);this._clearConversionApi()}_mapReconversionTriggerEvent(t,e){this._reconversionEventsMapping.set(e,t)}_createInsertConsumable(t){const e=new jf;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys()){e.add(t,"attribute:"+n)}}return e}_createConsumableForRange(t,e){const n=new jf;for(const o of t.getItems()){n.add(o,e)}return n}_createSelectionConsumable(t,e){const n=new jf;n.add(t,"selection");for(const o of e){n.add(t,"addMarker:"+o.name)}for(const e of t.getAttributeKeys()){n.add(t,"attribute:"+e)}return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t)){return}this.fire($f(t,e),e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer;delete this.conversionApi.consumable}_convertInsertWithAttributes(t){this._testAndFire("insert",t);for(const e of t.item.getAttributeKeys()){t.attributeKey=e;t.attributeOldValue=null;t.attributeNewValue=t.item.getAttribute(e);this._testAndFire(`attribute:${e}`,t)}}_mapChangesWithAutomaticReconversion(t){const e=new Set;const n=[];for(const o of t.getChanges()){const t=o.position||o.range.start;const i=t.parent;const r=Vf(t,i);if(r){n.push(o);continue}const s=o.type==="attribute"?Lf(t,i,null):i;if(s.is("$text")){n.push(o);continue}let a;if(o.type==="attribute"){a=`attribute:${o.attributeKey}:${s.name}`}else{a=`${o.type}:${o.name}`}if(this._isReconvertTriggerEvent(a,s.name)){if(e.has(s)){continue}e.add(s);n.push({type:"reconvert",element:s})}else{n.push(o)}}return n}_isReconvertTriggerEvent(t,e){return this._reconversionEventsMapping.get(t)===e}}Hn(Gf,g);function Uf(t,e,n){const o=e.getRange();const i=Array.from(t.getAncestors());i.shift();i.reverse();const r=i.some((t=>{if(o.containsItem(t)){const e=n.toViewElement(t);return!!e.getCustomProperty("addHighlight")}}));return!r}function $f(t,e){const n=e.item.name||"$text";return`${t}:${n}`}function Jf(t){const e=t.item;const n=Kf._createFromPositionAndShift(t.previousPosition,t.length);return{item:e,range:n}}function Yf(t,e){if(t.is("textProxy")){const n=e.toViewPosition(Mf._createBefore(t));const o=n.parent;return o.is("$text")?o:null}return e.toViewElement(t)}class Qf{constructor(t,e,n){this._lastRangeBackward=false;this._ranges=[];this._attrs=new Map;if(t){this.setTo(t,e,n)}}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){const t=this._ranges.length;if(t===1){return this._ranges[0].isCollapsed}else{return false}}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount){return false}else if(this.rangeCount===0){return true}if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus)){return false}for(const e of this._ranges){let n=false;for(const o of t._ranges){if(e.isEqual(o)){n=true;break}}if(!n){return false}}return true}*getRanges(){for(const t of this._ranges){yield new Kf(t.start,t.end)}}getFirstRange(){let t=null;for(const e of this._ranges){if(!t||e.start.isBefore(t.start)){t=e}}return t?new Kf(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges){if(!t||e.end.isAfter(t.end)){t=e}}return t?new Kf(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(t===null){this._setRanges([])}else if(t instanceof Qf){this._setRanges(t.getRanges(),t.isBackward)}else if(t&&typeof t.getRanges=="function"){this._setRanges(t.getRanges(),t.isBackward)}else if(t instanceof Kf){this._setRanges([t],!!e&&!!e.backward)}else if(t instanceof Mf){this._setRanges([new Kf(t)])}else if(t instanceof Tf){const o=!!n&&!!n.backward;let i;if(e=="in"){i=Kf._createIn(t)}else if(e=="on"){i=Kf._createOn(t)}else if(e!==undefined){i=new Kf(Mf._createAt(t,e))}else{throw new u["a"]("model-selection-setto-required-second-parameter",[this,t])}this._setRanges([i],o)}else if(ba(t)){this._setRanges(t,e&&!!e.backward)}else{throw new u["a"]("model-selection-setto-not-selectable",[this,t])}}_setRanges(t,e=false){t=Array.from(t);const n=t.some((e=>{if(!(e instanceof Kf)){throw new u["a"]("model-selection-set-ranges-not-range",[this,t])}return this._ranges.every((t=>!t.isEqual(e)))}));if(t.length===this._ranges.length&&!n){return}this._removeAllRanges();for(const e of t){this._pushRange(e)}this._lastRangeBackward=!!e;this.fire("change:range",{directChange:true})}setFocus(t,e){if(this.anchor===null){throw new u["a"]("model-selection-setfocus-no-ranges",[this,t])}const n=Mf._createAt(t,e);if(n.compareWith(this.focus)=="same"){return}const o=this.anchor;if(this._ranges.length){this._popRange()}if(n.compareWith(o)=="before"){this._pushRange(new Kf(n,o));this._lastRangeBackward=true}else{this._pushRange(new Kf(o,n));this._lastRangeBackward=false}this.fire("change:range",{directChange:true})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){if(this.hasAttribute(t)){this._attrs.delete(t);this.fire("change:attribute",{attributeKeys:[t],directChange:true})}}setAttribute(t,e){if(this.getAttribute(t)!==e){this._attrs.set(t,e);this.fire("change:attribute",{attributeKeys:[t],directChange:true})}}getSelectedElement(){if(this.rangeCount!==1){return null}return this.getFirstRange().getContainedElement()}is(t){return t==="selection"||t==="model:selection"}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=tm(e.start,t);if(n&&em(n,e)){yield n}for(const n of e.getWalker()){const o=n.item;if(n.type=="elementEnd"&&Zf(o,t,e)){yield o}}const o=tm(e.end,t);if(o&&!e.end.isTouching(Mf._createAt(o,0))&&em(o,e)){yield o}}}containsEntireContent(t=this.anchor.root){const e=Mf._createAt(t,0);const n=Mf._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t);this._ranges.push(new Kf(t.start,t.end))}_checkRange(t){for(let e=0;e0){this._popRange()}}_popRange(){this._ranges.pop()}}Hn(Qf,g);function Xf(t,e){if(e.has(t)){return false}e.add(t);return t.root.document.model.schema.isBlock(t)&&t.parent}function Zf(t,e,n){return Xf(t,e)&&em(t,n)}function tm(t,e){const n=t.parent;const o=n.root.document.model.schema;const i=t.parent.getAncestors({parentFirst:true,includeSelf:true});let r=false;const s=i.find((t=>{if(r){return false}r=o.isLimit(t);return!r&&Xf(t,e)}));i.forEach((t=>e.add(t)));return s}function em(t,e){const n=nm(t);if(!n){return true}const o=e.containsRange(Kf._createOn(n),true);return!o}function nm(t){const e=t.root.document.model.schema;let n=t.parent;while(n){if(e.isBlock(n)){return n}n=n.parent}}class om extends Kf{constructor(t,e){super(t,e);im.call(this)}detach(){this.stopListening()}is(t){return t==="liveRange"||t==="model:liveRange"||t=="range"||t==="model:range"}toRange(){return new Kf(this.start,this.end)}static fromRange(t){return new om(t.start,t.end)}}function im(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}rm.call(this,n)}),{priority:"low"})}function rm(t){const e=this.getTransformedByOperation(t);const n=Kf._createFromRanges(e);const o=!n.isEqual(this);const i=sm(this,t);let r=null;if(o){if(n.root.rootName=="$graveyard"){if(t.type=="remove"){r=t.sourcePosition}else{r=t.deletionPosition}}const e=this.toRange();this.start=n.start;this.end=n.end;this.fire("change:range",e,{deletionPosition:r})}else if(i){this.fire("change:content",this.toRange(),{deletionPosition:r})}}function sm(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return false}Hn(om,g);const am="selection:";class cm{constructor(t){this._selection=new lm(t);this._selection.delegate("change:range").to(this);this._selection.delegate("change:attribute").to(this);this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers();this._selection._updateAttributes(false)}observeMarkers(t){this._selection.observeMarkers(t)}is(t){return t==="selection"||t=="model:selection"||t=="documentSelection"||t=="model:documentSelection"}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return am+t}static _isStoreAttributeKey(t){return t.startsWith(am)}}Hn(cm,g);class lm extends Qf{constructor(t){super();this.markers=new ka({idProperty:"name"});this._model=t.model;this._document=t;this._attributePriority=new Map;this._selectionRestorePosition=null;this._hasChangedRange=false;this._overriddenGravityRegister=new Set;this._observedMarkers=new Set;this.listenTo(this._model,"applyOperation",((t,e)=>{const n=e[0];if(!n.isDocumentOperation||n.type=="marker"||n.type=="rename"||n.type=="noop"){return}if(this._ranges.length==0&&this._selectionRestorePosition){this._fixGraveyardSelection(this._selectionRestorePosition)}this._selectionRestorePosition=null;if(this._hasChangedRange){this._hasChangedRange=false;this.fire("change:range",{directChange:false})}}),{priority:"lowest"});this.on("change:range",(()=>{for(const t of this.getRanges()){if(!this._document._validateSelectionRange(t)){throw new u["a"]("document-selection-wrong-position",this,{range:t})}}}));this.listenTo(this._model.markers,"update",((t,e,n,o)=>{this._updateMarker(e,o)}));this.listenTo(this._document,"change",((t,e)=>{um(this._model,e)}))}get isCollapsed(){const t=this._ranges.length;return t===0?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t{this._hasChangedRange=true;if(e.root==this._document.graveyard){this._selectionRestorePosition=o.deletionPosition;const t=this._ranges.indexOf(e);this._ranges.splice(t,1);e.detach()}}));return e}_updateMarkers(){if(!this._observedMarkers.size){return}const t=[];let e=false;for(const e of this._model.markers){const n=e.name.split(":",1)[0];if(!this._observedMarkers.has(n)){continue}const o=e.getRange();for(const n of this.getRanges()){if(o.containsRange(n,!n.isCollapsed)){t.push(e)}}}const n=Array.from(this.markers);for(const n of t){if(!this.markers.has(n)){this.markers.add(n);e=true}}for(const n of Array.from(this.markers)){if(!t.includes(n)){this.markers.remove(n);e=true}}if(e){this.fire("change:marker",{oldMarkers:n,directChange:false})}}_updateMarker(t,e){const n=t.name.split(":",1)[0];if(!this._observedMarkers.has(n)){return}let o=false;const i=Array.from(this.markers);const r=this.markers.has(t);if(!e){if(r){this.markers.remove(t);o=true}}else{let n=false;for(const t of this.getRanges()){if(e.containsRange(t,!t.isCollapsed)){n=true;break}}if(n&&!r){this.markers.add(t);o=true}else if(!n&&r){this.markers.remove(t);o=true}}if(o){this.fire("change:marker",{oldMarkers:i,directChange:false})}}_updateAttributes(t){const e=La(this._getSurroundingAttributes());const n=La(this.getAttributes());if(t){this._attributePriority=new Map;this._attrs=new Map}else{for(const[t,e]of this._attributePriority){if(e=="low"){this._attrs.delete(t);this._attributePriority.delete(t)}}}this._setAttributesTo(e);const o=[];for(const[t,e]of this.getAttributes()){if(!n.has(t)||n.get(t)!==e){o.push(t)}}for(const[t]of n){if(!this.hasAttribute(t)){o.push(t)}}if(o.length>0){this.fire("change:attribute",{attributeKeys:o,directChange:false})}}_setAttribute(t,e,n=true){const o=n?"normal":"low";if(o=="low"&&this._attributePriority.get(t)=="normal"){return false}const i=super.getAttribute(t);if(i===e){return false}this._attrs.set(t,e);this._attributePriority.set(t,o);return true}_removeAttribute(t,e=true){const n=e?"normal":"low";if(n=="low"&&this._attributePriority.get(t)=="normal"){return false}this._attributePriority.set(t,n);if(!super.hasAttribute(t)){return false}this._attrs.delete(t);return true}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes()){if(t.get(e)===n){continue}this._removeAttribute(e,false)}for(const[n,o]of t){const t=this._setAttribute(n,o,false);if(t){e.add(n)}}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty){for(const e of t.getAttributeKeys()){if(e.startsWith(am)){const n=e.substr(am.length);yield[n,t.getAttribute(e)]}}}}_getSurroundingAttributes(){const t=this.getFirstPosition();const e=this._model.schema;let n=null;if(!this.isCollapsed){const t=this.getFirstRange();for(const o of t){if(o.item.is("element")&&e.isObject(o.item)){break}if(o.type=="text"){n=o.item.getAttributes();break}}}else{const o=t.textNode?t.textNode:t.nodeBefore;const i=t.textNode?t.textNode:t.nodeAfter;if(!this.isGravityOverridden){n=dm(o)}if(!n){n=dm(i)}if(!this.isGravityOverridden&&!n){let t=o;while(t&&!e.isInline(t)&&!n){t=t.previousSibling;n=dm(t)}}if(!n){let t=i;while(t&&!e.isInline(t)&&!n){t=t.nextSibling;n=dm(t)}}if(!n){n=this._getStoredAttributes()}}return n}_fixGraveyardSelection(t){const e=this._model.schema.getNearestSelectionRange(t);if(e){this._pushRange(e)}}}function dm(t){if(t instanceof If||t instanceof Pf){return t.getAttributes()}return null}function um(t,e){const n=t.document.differ;for(const o of n.getChanges()){if(o.type!="insert"){continue}const n=o.position.parent;const i=o.length===n.maxOffset;if(i){t.enqueueChange(e,(t=>{const e=Array.from(n.getAttributeKeys()).filter((t=>t.startsWith(am)));for(const o of e){t.removeAttribute(o,n)}}))}}}class hm{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers){t(e)}return this}}var fm=1,mm=4;function gm(t){return aa(t,fm|mm)}var pm=gm;class bm extends hm{elementToElement(t){return this.add(Nm(t))}attributeToElement(t){return this.add(Mm(t))}attributeToAttribute(t){return this.add(Vm(t))}markerToElement(t){return this.add(Lm(t))}markerToHighlight(t){return this.add(Km(t))}markerToData(t){return this.add(Hm(t))}}function km(){return(t,e,n)=>{if(!n.consumable.consume(e.item,"insert")){return}const o=n.writer;const i=n.mapper.toViewPosition(e.range.start);const r=o.createText(e.item.data);o.insert(i,r)}}function wm(){return(t,e,n)=>{const o=n.mapper.toViewPosition(e.position);const i=e.position.getShiftedBy(e.length);const r=n.mapper.toViewPosition(i,{isPhantom:true});const s=n.writer.createRange(o,r);const a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems()){n.mapper.unbindViewElement(t)}}}function Cm(t,e){const n=t.createAttributeElement("span",e.attributes);if(e.classes){n._addClass(e.classes)}if(e.priority){n._priority=e.priority}n._id=e.id;return n}function Am(){return(t,e,n)=>{const o=e.selection;if(o.isCollapsed){return}if(!n.consumable.consume(o,"selection")){return}const i=[];for(const t of o.getRanges()){const e=n.mapper.toViewRange(t);i.push(e)}n.writer.setSelection(i,{backward:o.isBackward})}}function _m(){return(t,e,n)=>{const o=e.selection;if(!o.isCollapsed){return}if(!n.consumable.consume(o,"selection")){return}const i=n.writer;const r=o.getFirstPosition();const s=n.mapper.toViewPosition(r);const a=i.breakAttributes(s);i.setSelection(a)}}function vm(){return(t,e,n)=>{const o=n.writer;const i=o.document.selection;for(const t of i.getRanges()){if(t.isCollapsed){if(t.end.parent.isAttached()){n.writer.mergeAttributes(t.start)}}}o.setSelection(null)}}function ym(t){return(e,n,o)=>{const i=t(n.attributeOldValue,o);const r=t(n.attributeNewValue,o);if(!i&&!r){return}if(!o.consumable.consume(n.item,e.name)){return}const s=o.writer;const a=s.document.selection;if(n.item instanceof Qf||n.item instanceof cm){s.wrap(a.getFirstRange(),r)}else{let t=o.mapper.toViewRange(n.range);if(n.attributeOldValue!==null&&i){t=s.unwrap(t,i)}if(n.attributeNewValue!==null&&r){s.wrap(t,r)}}}}function xm(t){return(e,n,o)=>{const i=t(n.item,o);if(!i){return}if(!o.consumable.consume(n.item,"insert")){return}const r=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(n.item,i);o.writer.insert(r,i)}}function Em(t){return(e,n,o)=>{n.isOpening=true;const i=t(n,o);n.isOpening=false;const r=t(n,o);if(!i||!r){return}const s=n.markerRange;if(s.isCollapsed&&!o.consumable.consume(s,e.name)){return}for(const t of s){if(!o.consumable.consume(t.item,e.name)){return}}const a=o.mapper;const c=o.writer;c.insert(a.toViewPosition(s.start),i);o.mapper.bindElementToMarker(i,n.markerName);if(!s.isCollapsed){c.insert(a.toViewPosition(s.end),r);o.mapper.bindElementToMarker(r,n.markerName)}e.stop()}}function Dm(){return(t,e,n)=>{const o=n.mapper.markerNameToElements(e.markerName);if(!o){return}for(const t of o){n.mapper.unbindElementFromMarkerName(t,e.markerName);n.writer.clear(n.writer.createRangeOn(t),t)}n.writer.clearClonedElementsGroup(e.markerName);t.stop()}}function Sm(t){return(e,n,o)=>{const i=t(n.markerName,o);if(!i){return}const r=n.markerRange;if(!o.consumable.consume(r,e.name)){return}Bm(r,false,o,n,i);Bm(r,true,o,n,i);e.stop()}}function Bm(t,e,n,o,i){const r=e?t.start:t.end;const s=n.schema.checkChild(r,"$text");if(s){const t=n.mapper.toViewPosition(r);Pm(t,e,n,o,i)}else{let t;let s;if(e&&r.nodeAfter||!e&&!r.nodeBefore){t=r.nodeAfter;s=true}else{t=r.nodeBefore;s=false}const a=n.mapper.toViewElement(t);Tm(a,e,s,n,o,i)}}function Tm(t,e,n,o,i,r){const s=`data-${r.group}-${e?"start":"end"}-${n?"before":"after"}`;const a=t.hasAttribute(s)?t.getAttribute(s).split(","):[];a.unshift(r.name);o.writer.setAttribute(s,a.join(","),t);o.mapper.bindElementToMarker(t,i.markerName)}function Pm(t,e,n,o,i){const r=`${i.group}-${e?"start":"end"}`;const s=i.name?{name:i.name}:null;const a=n.writer.createUIElement(r,s);n.writer.insert(t,a);n.mapper.bindElementToMarker(a,o.markerName)}function Im(t){return(e,n,o)=>{const i=t(n.markerName,o);if(!i){return}const r=o.mapper.markerNameToElements(n.markerName);if(!r){return}for(const t of r){o.mapper.unbindElementFromMarkerName(t,n.markerName);if(t.is("containerElement")){s(`data-${i.group}-start-before`,t);s(`data-${i.group}-start-after`,t);s(`data-${i.group}-end-before`,t);s(`data-${i.group}-end-after`,t)}else{o.writer.clear(o.writer.createRangeOn(t),t)}}o.writer.clearClonedElementsGroup(n.markerName);e.stop();function s(t,e){if(e.hasAttribute(t)){const n=new Set(e.getAttribute(t).split(","));n.delete(i.name);if(n.size==0){o.writer.removeAttribute(t,e)}else{o.writer.setAttribute(t,Array.from(n).join(","),e)}}}}}function Rm(t){return(e,n,o)=>{const i=t(n.attributeOldValue,o);const r=t(n.attributeNewValue,o);if(!i&&!r){return}if(!o.consumable.consume(n.item,e.name)){return}const s=o.mapper.toViewElement(n.item);const a=o.writer;if(!s){throw new u["a"]("conversion-attribute-to-attribute-on-text",[n,o])}if(n.attributeOldValue!==null&&i){if(i.key=="class"){const t=Ca(i.value);for(const e of t){a.removeClass(e,s)}}else if(i.key=="style"){const t=Object.keys(i.value);for(const e of t){a.removeStyle(e,s)}}else{a.removeAttribute(i.key,s)}}if(n.attributeNewValue!==null&&r){if(r.key=="class"){const t=Ca(r.value);for(const e of t){a.addClass(e,s)}}else if(r.key=="style"){const t=Object.keys(r.value);for(const e of t){a.setStyle(e,r.value[e],s)}}else{a.setAttribute(r.key,r.value,s)}}}}function Fm(t){return(e,n,o)=>{if(!n.item){return}if(!(n.item instanceof Qf||n.item instanceof cm)&&!n.item.is("$textProxy")){return}const i=Um(t,n,o);if(!i){return}if(!o.consumable.consume(n.item,e.name)){return}const r=o.writer;const s=Cm(r,i);const a=r.document.selection;if(n.item instanceof Qf||n.item instanceof cm){r.wrap(a.getFirstRange(),s,a)}else{const t=o.mapper.toViewRange(n.range);const e=r.wrap(t,s);for(const t of e.getItems()){if(t.is("attributeElement")&&t.isSimilar(s)){o.mapper.bindElementToMarker(t,n.markerName);break}}}}}function zm(t){return(e,n,o)=>{if(!n.item){return}if(!(n.item instanceof Ff)){return}const i=Um(t,n,o);if(!i){return}if(!o.consumable.test(n.item,e.name)){return}const r=o.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){o.consumable.consume(n.item,e.name);for(const t of Kf._createIn(n.item)){o.consumable.consume(t.item,e.name)}r.getCustomProperty("addHighlight")(r,i,o.writer);o.mapper.bindElementToMarker(r,n.markerName)}}}function Om(t){return(e,n,o)=>{if(n.markerRange.isCollapsed){return}const i=Um(t,n,o);if(!i){return}const r=Cm(o.writer,i);const s=o.mapper.markerNameToElements(n.markerName);if(!s){return}for(const t of s){o.mapper.unbindElementFromMarkerName(t,n.markerName);if(t.is("attributeElement")){o.writer.unwrap(o.writer.createRangeOn(t),r)}else{t.getCustomProperty("removeHighlight")(t,i.id,o.writer)}}o.writer.clearClonedElementsGroup(n.markerName);e.stop()}}function Nm(t){t=pm(t);t.view=qm(t.view,"container");return e=>{e.on("insert:"+t.model,xm(t.view),{priority:t.converterPriority||"normal"});if(t.triggerBy){if(t.triggerBy.attributes){for(const n of t.triggerBy.attributes){e._mapReconversionTriggerEvent(t.model,`attribute:${n}:${t.model}`)}}if(t.triggerBy.children){for(const n of t.triggerBy.children){e._mapReconversionTriggerEvent(t.model,`insert:${n}`);e._mapReconversionTriggerEvent(t.model,`remove:${n}`)}}}}}function Mm(t){t=pm(t);const e=t.model.key?t.model.key:t.model;let n="attribute:"+e;if(t.model.name){n+=":"+t.model.name}if(t.model.values){for(const e of t.model.values){t.view[e]=qm(t.view[e],"attribute")}}else{t.view=qm(t.view,"attribute")}const o=Wm(t);return e=>{e.on(n,ym(o),{priority:t.converterPriority||"normal"})}}function Vm(t){t=pm(t);const e=t.model.key?t.model.key:t.model;let n="attribute:"+e;if(t.model.name){n+=":"+t.model.name}if(t.model.values){for(const e of t.model.values){t.view[e]=Gm(t.view[e])}}else{t.view=Gm(t.view)}const o=Wm(t);return e=>{e.on(n,Rm(o),{priority:t.converterPriority||"normal"})}}function Lm(t){t=pm(t);t.view=qm(t.view,"ui");return e=>{e.on("addMarker:"+t.model,Em(t.view),{priority:t.converterPriority||"normal"});e.on("removeMarker:"+t.model,Dm(t.view),{priority:t.converterPriority||"normal"})}}function Hm(t){t=pm(t);const e=t.model;if(!t.view){t.view=n=>({group:e,name:n.substr(t.model.length+1)})}return n=>{n.on("addMarker:"+e,Sm(t.view),{priority:t.converterPriority||"normal"});n.on("removeMarker:"+e,Im(t.view),{priority:t.converterPriority||"normal"})}}function Km(t){return e=>{e.on("addMarker:"+t.model,Fm(t.view),{priority:t.converterPriority||"normal"});e.on("addMarker:"+t.model,zm(t.view),{priority:t.converterPriority||"normal"});e.on("removeMarker:"+t.model,Om(t.view),{priority:t.converterPriority||"normal"})}}function qm(t,e){if(typeof t=="function"){return t}return(n,o)=>jm(t,o,e)}function jm(t,e,n){if(typeof t=="string"){t={name:t}}let o;const i=e.writer;const r=Object.assign({},t.attributes);if(n=="container"){o=i.createContainerElement(t.name,r)}else if(n=="attribute"){const e={priority:t.priority||Ml.DEFAULT_PRIORITY};o=i.createAttributeElement(t.name,r,e)}else{o=i.createUIElement(t.name,r)}if(t.styles){const e=Object.keys(t.styles);for(const n of e){i.setStyle(n,t.styles[n],o)}}if(t.classes){const e=t.classes;if(typeof e=="string"){i.addClass(e,o)}else{for(const t of e){i.addClass(t,o)}}}return o}function Wm(t){if(t.model.values){return(e,n)=>{const o=t.view[e];if(o){return o(e,n)}return null}}else{return t.view}}function Gm(t){if(typeof t=="string"){return e=>({key:t,value:e})}else if(typeof t=="object"){if(t.value){return()=>t}else{return e=>({key:t.key,value:e})}}else{return t}}function Um(t,e,n){const o=typeof t=="function"?t(e,n):t;if(!o){return null}if(!o.priority){o.priority=10}if(!o.id){o.id=e.markerName}return o}function $m(t){const{schema:e,document:n}=t.model;for(const o of n.getRootNames()){const i=n.getRoot(o);if(i.isEmpty&&!e.checkChild(i,"$text")){if(e.checkChild(i,"paragraph")){t.insertElement("paragraph",i);return true}}}return false}function Jm(t,e,n){const o=n.createContext(t);if(!n.checkChild(o,"paragraph")){return false}if(!n.checkChild(o.push("paragraph"),e)){return false}return true}function Ym(t,e){const n=e.createElement("paragraph");e.insert(n,t);return e.createPositionAt(n,0)}class Qm extends hm{elementToElement(t){return this.add(eg(t))}elementToAttribute(t){return this.add(ng(t))}attributeToAttribute(t){return this.add(og(t))}elementToMarker(t){Object(u["b"])("upcast-helpers-element-to-marker-deprecated");return this.add(ig(t))}dataToMarker(t){return this.add(rg(t))}}function Xm(){return(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:true})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t;e.modelCursor=o}}}function Zm(){return(t,e,{schema:n,consumable:o,writer:i})=>{let r=e.modelCursor;if(!o.test(e.viewItem)){return}if(!n.checkChild(r,"$text")){if(!Jm(r,"$text",n)){return}r=Ym(r,i)}o.consume(e.viewItem);const s=i.createText(e.viewItem.data);i.insert(s,r);e.modelRange=i.createRange(r,r.getShiftedBy(s.offsetSize));e.modelCursor=e.modelRange.end}}function tg(t,e){return(n,o)=>{const i=o.newSelection;const r=[];for(const t of i.getRanges()){r.push(e.toModelRange(t))}const s=t.createSelection(r,{backward:i.isBackward});if(!s.isEqual(t.document.selection)){t.change((t=>{t.setSelection(s)}))}}}function eg(t){t=pm(t);const e=cg(t);const n=ag(t.view);const o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"normal"})}}function ng(t){t=pm(t);ug(t);const e=hg(t,false);const n=ag(t.view);const o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"low"})}}function og(t){t=pm(t);let e=null;if(typeof t.view=="string"||t.view.key){e=dg(t)}ug(t,e);const n=hg(t,true);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}function ig(t){t=pm(t);gg(t);return eg(t)}function rg(t){t=pm(t);if(!t.model){t.model=e=>e?t.view+":"+e:t.view}const e=cg(pg(t,"start"));const n=cg(pg(t,"end"));return o=>{o.on("element:"+t.view+"-start",e,{priority:t.converterPriority||"normal"});o.on("element:"+t.view+"-end",n,{priority:t.converterPriority||"normal"});const i=l.get("low");const r=l.get("highest");const s=l.get(t.converterPriority)/r;o.on("element",sg(t),{priority:i+s})}}function sg(t){return(e,n,o)=>{const i=`data-${t.view}`;if(!n.modelRange){n=Object.assign(n,o.convertChildren(n.viewItem,n.modelCursor))}if(o.consumable.consume(n.viewItem,{attributes:i+"-end-after"})){r(n.modelRange.end,n.viewItem.getAttribute(i+"-end-after").split(","))}if(o.consumable.consume(n.viewItem,{attributes:i+"-start-after"})){r(n.modelRange.end,n.viewItem.getAttribute(i+"-start-after").split(","))}if(o.consumable.consume(n.viewItem,{attributes:i+"-end-before"})){r(n.modelRange.start,n.viewItem.getAttribute(i+"-end-before").split(","))}if(o.consumable.consume(n.viewItem,{attributes:i+"-start-before"})){r(n.modelRange.start,n.viewItem.getAttribute(i+"-start-before").split(","))}function r(e,i){for(const r of i){const i=t.model(r,o);const s=o.writer.createElement("$marker",{"data-name":i});o.writer.insert(s,e);if(n.modelCursor.isEqual(e)){n.modelCursor=n.modelCursor.getShiftedBy(1)}else{n.modelCursor=n.modelCursor._getTransformedByInsertion(e,1)}n.modelRange=n.modelRange._getTransformedByInsertion(e,1)[0]}}}}function ag(t){if(typeof t=="string"){return t}if(typeof t=="object"&&typeof t.name=="string"){return t.name}return null}function cg(t){const e=new Ha(t.view);return(n,o,i)=>{const r=e.match(o.viewItem);if(!r){return}const s=r.match;s.name=true;if(!i.consumable.test(o.viewItem,s)){return}const a=lg(t.model,o.viewItem,i);if(!a){return}if(!i.safeInsert(a,o.modelCursor)){return}i.consumable.consume(o.viewItem,s);i.convertChildren(o.viewItem,a);i.updateConversionResult(a,o)}}function lg(t,e,n){if(t instanceof Function){return t(e,n)}else{return n.writer.createElement(t)}}function dg(t){if(typeof t.view=="string"){t.view={key:t.view}}const e=t.view.key;let n;if(e=="class"||e=="style"){const o=e=="class"?"classes":"styles";n={[o]:t.view.value}}else{const o=typeof t.view.value=="undefined"?/[\s\S]*/:t.view.value;n={attributes:{[e]:o}}}if(t.view.name){n.name=t.view.name}t.view=n;return e}function ug(t,e=null){const n=e===null?true:t=>t.getAttribute(e);const o=typeof t.model!="object"?t.model:t.model.key;const i=typeof t.model!="object"||typeof t.model.value=="undefined"?n:t.model.value;t.model={key:o,value:i}}function hg(t,e){const n=new Ha(t.view);return(o,i,r)=>{const s=n.match(i.viewItem);if(!s){return}const a=t.model.key;const c=typeof t.model.value=="function"?t.model.value(i.viewItem,r):t.model.value;if(c===null){return}if(fg(t.view,i.viewItem)){s.match.name=true}else{delete s.match.name}if(!r.consumable.test(i.viewItem,s.match)){return}if(!i.modelRange){i=Object.assign(i,r.convertChildren(i.viewItem,i.modelCursor))}const l=mg(i.modelRange,{key:a,value:c},e,r);if(l){r.consumable.consume(i.viewItem,s.match)}}}function fg(t,e){const n=typeof t=="function"?t(e):t;if(typeof n=="object"&&!ag(n)){return false}return!n.classes&&!n.attributes&&!n.styles}function mg(t,e,n,o){let i=false;for(const r of Array.from(t.getItems({shallow:n}))){if(o.schema.checkAttribute(r,e.key)){o.writer.setAttribute(e.key,e.value,r);i=true}}return i}function gg(t){const e=t.model;t.model=(t,n)=>{const o=typeof e=="string"?e:e(t,n);return n.writer.createElement("$marker",{"data-name":o})}}function pg(t,e){const n={};n.view=t.view+"-"+e;n.model=(e,n)=>{const o=e.getAttribute("name");const i=t.model(o,n);return n.writer.createElement("$marker",{"data-name":i})};return n}class bg{constructor(t,e){this.model=t;this.view=new Bf(e);this.mapper=new qf;this.downcastDispatcher=new Gf({mapper:this.mapper,schema:t.schema});const n=this.model.document;const o=n.selection;const i=this.model.markers;this.listenTo(this.model,"_beforeChanges",(()=>{this.view._disableRendering(true)}),{priority:"highest"});this.listenTo(this.model,"_afterChanges",(()=>{this.view._disableRendering(false)}),{priority:"lowest"});this.listenTo(n,"change",(()=>{this.view.change((t=>{this.downcastDispatcher.convertChanges(n.differ,i,t);this.downcastDispatcher.convertSelection(o,i,t)}))}),{priority:"low"});this.listenTo(this.view.document,"selectionChange",tg(this.model,this.mapper));this.downcastDispatcher.on("insert:$text",km(),{priority:"lowest"});this.downcastDispatcher.on("remove",wm(),{priority:"low"});this.downcastDispatcher.on("selection",vm(),{priority:"low"});this.downcastDispatcher.on("selection",Am(),{priority:"low"});this.downcastDispatcher.on("selection",_m(),{priority:"low"});this.view.document.roots.bindTo(this.model.document.roots).using((t=>{if(t.rootName=="$graveyard"){return null}const e=new wl(this.view.document,t.name);e.rootName=t.rootName;this.mapper.bindElements(t,e);return e}))}destroy(){this.view.destroy();this.stopListening()}}Hn(bg,Tn);class kg{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const n=this.get(t);if(!n){throw new u["a"]("commandcollection-command-not-found",this,{commandName:t})}return n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands()){t.destroy()}}}class wg{constructor(){this._consumables=new Map}add(t,e){let n;if(t.is("$text")||t.is("documentFragment")){this._consumables.set(t,true);return}if(!this._consumables.has(t)){n=new Cg(t);this._consumables.set(t,n)}else{n=this._consumables.get(t)}n.add(e)}test(t,e){const n=this._consumables.get(t);if(n===undefined){return null}if(t.is("$text")||t.is("documentFragment")){return n}return n.test(e)}consume(t,e){if(this.test(t,e)){if(t.is("$text")||t.is("documentFragment")){this._consumables.set(t,false)}else{this._consumables.get(t).consume(e)}return true}return false}revert(t,e){const n=this._consumables.get(t);if(n!==undefined){if(t.is("$text")||t.is("documentFragment")){this._consumables.set(t,true)}else{n.revert(e)}}}static consumablesFromElement(t){const e={element:t,name:true,attributes:[],classes:[],styles:[]};const n=t.getAttributeKeys();for(const t of n){if(t=="style"||t=="class"){continue}e.attributes.push(t)}const o=t.getClassNames();for(const t of o){e.classes.push(t)}const i=t.getStyleNames();for(const t of i){e.styles.push(t)}return e}static createFrom(t,e){if(!e){e=new wg(t)}if(t.is("$text")){e.add(t);return e}if(t.is("element")){e.add(t,wg.consumablesFromElement(t))}if(t.is("documentFragment")){e.add(t)}for(const n of t.getChildren()){e=wg.createFrom(n,e)}return e}}class Cg{constructor(t){this.element=t;this._canConsumeName=null;this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){if(t.name){this._canConsumeName=true}for(const e in this._consumables){if(e in t){this._add(e,t[e])}}}test(t){if(t.name&&!this._canConsumeName){return this._canConsumeName}for(const e in this._consumables){if(e in t){const n=this._test(e,t[e]);if(n!==true){return n}}}return true}consume(t){if(t.name){this._canConsumeName=false}for(const e in this._consumables){if(e in t){this._consume(e,t[e])}}}revert(t){if(t.name){this._canConsumeName=true}for(const e in this._consumables){if(e in t){this._revert(e,t[e])}}}_add(t,e){const n=xe(e)?e:[e];const o=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){throw new u["a"]("viewconsumable-invalid-attribute",this)}o.set(e,true);if(t==="styles"){for(const t of this.element.document.stylesProcessor.getRelatedStyles(e)){o.set(t,true)}}}}_test(t,e){const n=xe(e)?e:[e];const o=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){const t=e=="class"?"classes":"styles";const n=this._test(t,[...this._consumables[t].keys()]);if(n!==true){return n}}else{const t=o.get(e);if(t===undefined){return null}if(!t){return false}}}return true}_consume(t,e){const n=xe(e)?e:[e];const o=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){const t=e=="class"?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}else{o.set(e,false);if(t=="styles"){for(const t of this.element.document.stylesProcessor.getRelatedStyles(e)){o.set(t,false)}}}}}_revert(t,e){const n=xe(e)?e:[e];const o=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){const t=e=="class"?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}else{const t=o.get(e);if(t===false){o.set(e,true)}}}}}class Ag{constructor(){this._sourceDefinitions={};this._attributeProperties={};this.decorate("checkChild");this.decorate("checkAttribute");this.on("checkAttribute",((t,e)=>{e[0]=new _g(e[0])}),{priority:"highest"});this.on("checkChild",((t,e)=>{e[0]=new _g(e[0]);e[1]=this.getDefinition(e[1])}),{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t]){throw new u["a"]("schema-cannot-register-item-twice",this,{itemName:t})}this._sourceDefinitions[t]=[Object.assign({},e)];this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t]){throw new u["a"]("schema-cannot-extend-missing-item",this,{itemName:t})}this._sourceDefinitions[t].push(Object.assign({},e));this._clearCache()}getDefinitions(){if(!this._compiledDefinitions){this._compile()}return this._compiledDefinitions}getDefinition(t){let e;if(typeof t=="string"){e=t}else if(t.is&&(t.is("$text")||t.is("$textProxy"))){e="$text"}else{e=t.name}return this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!!(e&&e.isBlock)}isLimit(t){const e=this.getDefinition(t);if(!e){return false}return!!(e.isLimit||e.isObject)}isObject(t){const e=this.getDefinition(t);if(!e){return false}return!!(e.isObject||e.isLimit&&e.isSelectable&&e.isContent)}isInline(t){const e=this.getDefinition(t);return!!(e&&e.isInline)}isSelectable(t){const e=this.getDefinition(t);if(!e){return false}return!!(e.isSelectable||e.isObject)}isContent(t){const e=this.getDefinition(t);if(!e){return false}return!!(e.isContent||e.isObject)}checkChild(t,e){if(!e){return false}return this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);if(!n){return false}return n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof Mf){const e=t.nodeBefore;const n=t.nodeAfter;if(!(e instanceof Ff)){throw new u["a"]("schema-check-merge-no-element-before",this)}if(!(n instanceof Ff)){throw new u["a"]("schema-check-merge-no-element-after",this)}return this.checkMerge(e,n)}for(const n of e.getChildren()){if(!this.checkChild(t,n)){return false}}return true}addChildCheck(t){this.on("checkChild",((e,[n,o])=>{if(!o){return}const i=t(n,o);if(typeof i=="boolean"){e.stop();e.return=i}}),{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",((e,[n,o])=>{const i=t(n,o);if(typeof i=="boolean"){e.stop();e.return=i}}),{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof Mf){e=t.parent}else{const n=t instanceof Kf?[t]:Array.from(t.getRanges());e=n.reduce(((t,e)=>{const n=e.getCommonAncestor();if(!t){return n}return t.getCommonAncestor(n,{includeSelf:true})}),null)}while(!this.isLimit(e)){if(e.parent){e=e.parent}else{break}}return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=t.getFirstPosition();const o=[...n.getAncestors(),new Pf("",t.getAttributes())];return this.checkAttribute(o,e)}else{const n=t.getRanges();for(const t of n){for(const n of t){if(this.checkAttribute(n.item,e)){return true}}}}return false}*getValidRanges(t,e){t=Ng(t);for(const n of t){yield*this._getValidRangesForRange(n,e)}}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text")){return new Kf(t)}let n,o;const i=t.getAncestors().reverse().find((t=>this.isLimit(t)))||t.root;if(e=="both"||e=="backward"){n=new Of({boundaries:Kf._createIn(i),startPosition:t,direction:"backward"})}if(e=="both"||e=="forward"){o=new Of({boundaries:Kf._createIn(i),startPosition:t})}for(const t of Og(n,o)){const e=t.walker==n?"elementEnd":"elementStart";const o=t.value;if(o.type==e&&this.isObject(o.item)){return Kf._createOn(o.item)}if(this.checkChild(o.nextPosition,"$text")){return new Kf(o.nextPosition)}}return null}findAllowedParent(t,e){let n=t.parent;while(n){if(this.checkChild(n,e)){return n}if(this.isLimit(n)){return null}n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t){if(n.is("$text")){Mg(this,n,e)}else{const t=Kf._createIn(n);const o=t.getPositions();for(const t of o){const n=t.nodeBefore||t.parent;Mg(this,n,e)}}}}createContext(t){return new _g(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={};const e=this._sourceDefinitions;const n=Object.keys(e);for(const o of n){t[o]=vg(e[o],o)}for(const e of n){yg(t,e)}for(const e of n){xg(t,e)}for(const e of n){Eg(t,e);Dg(t,e)}for(const e of n){Sg(t,e);Bg(t,e)}this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const o=e.getItem(n);if(t.allowIn.includes(o.name)){if(n==0){return true}else{const t=this.getDefinition(o);return this._checkContextMatch(t,e,n-1)}}else{return false}}*_getValidRangesForRange(t,e){let n=t.start;let o=t.start;for(const i of t.getItems({shallow:true})){if(i.is("element")){yield*this._getValidRangesForRange(Kf._createIn(i),e)}if(!this.checkAttribute(i,e)){if(!n.isEqual(o)){yield new Kf(n,o)}n=Mf._createAfter(i)}o=Mf._createAfter(i)}if(!n.isEqual(o)){yield new Kf(n,o)}}}Hn(Ag,Tn);class _g{constructor(t){if(t instanceof _g){return t}if(typeof t=="string"){t=[t]}else if(!Array.isArray(t)){t=t.getAncestors({includeSelf:true})}if(t[0]&&typeof t[0]!="string"&&t[0].is("documentFragment")){t.shift()}this._items=t.map(zg)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new _g([t]);e._items=[...this._items,...e._items];return e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map((t=>t.name))}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}startsWith(t){return Array.from(this.getNames()).join(" ").startsWith(t)}}function vg(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};Tg(t,n);Pg(t,n,"allowIn");Pg(t,n,"allowContentOf");Pg(t,n,"allowWhere");Pg(t,n,"allowAttributes");Pg(t,n,"allowAttributesOf");Pg(t,n,"inheritTypesFrom");Ig(t,n);return n}function yg(t,e){for(const n of t[e].allowContentOf){if(t[n]){const o=Rg(t,n);o.forEach((t=>{t.allowIn.push(e)}))}}delete t[e].allowContentOf}function xg(t,e){for(const n of t[e].allowWhere){const o=t[n];if(o){const n=o.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function Eg(t,e){for(const n of t[e].allowAttributesOf){const o=t[n];if(o){const n=o.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function Dg(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const o=t[e];if(o){const t=Object.keys(o).filter((t=>t.startsWith("is")));for(const e of t){if(!(e in n)){n[e]=o[e]}}}}delete n.inheritTypesFrom}function Sg(t,e){const n=t[e];const o=n.allowIn.filter((e=>t[e]));n.allowIn=Array.from(new Set(o))}function Bg(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Tg(t,e){for(const n of t){const t=Object.keys(n).filter((t=>t.startsWith("is")));for(const o of t){e[o]=n[o]}}}function Pg(t,e,n){for(const o of t){if(typeof o[n]=="string"){e[n].push(o[n])}else if(Array.isArray(o[n])){e[n].push(...o[n])}}}function Ig(t,e){for(const n of t){const t=n.inheritAllFrom;if(t){e.allowContentOf.push(t);e.allowWhere.push(t);e.allowAttributesOf.push(t);e.inheritTypesFrom.push(t)}}}function Rg(t,e){const n=t[e];return Fg(t).filter((t=>t.allowIn.includes(n.name)))}function Fg(t){return Object.keys(t).map((e=>t[e]))}function zg(t){if(typeof t=="string"){return{name:t,*getAttributeKeys(){},getAttribute(){}}}else{return{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute(e){return t.getAttribute(e)}}}}function*Og(t,e){let n=false;while(!n){n=true;if(t){const e=t.next();if(!e.done){n=false;yield{walker:t,value:e.value}}}if(e){const t=e.next();if(!t.done){n=false;yield{walker:e,value:t.value}}}}}function*Ng(t){for(const e of t){yield*e.getMinimalFlatRanges()}}function Mg(t,e,n){for(const o of e.getAttributeKeys()){if(!t.checkAttribute(e,o)){n.removeAttribute(o,e)}}}class Vg{constructor(t={}){this._splitParts=new Map;this._cursorParents=new Map;this._modelCursor=null;this.conversionApi=Object.assign({},t);this.conversionApi.convertItem=this._convertItem.bind(this);this.conversionApi.convertChildren=this._convertChildren.bind(this);this.conversionApi.safeInsert=this._safeInsert.bind(this);this.conversionApi.updateConversionResult=this._updateConversionResult.bind(this);this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this);this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t);this._modelCursor=Hg(n,e);this.conversionApi.writer=e;this.conversionApi.consumable=wg.createFrom(t);this.conversionApi.store={};const{modelRange:o}=this._convertItem(t,this._modelCursor);const i=e.createDocumentFragment();if(o){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren())){e.append(t,i)}i.markers=Lg(i,e)}this._modelCursor=null;this._splitParts.clear();this._cursorParents.clear();this.conversionApi.writer=null;this.conversionApi.store=null;return i}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")){this.fire("element:"+t.name,n,this.conversionApi)}else if(t.is("$text")){this.fire("text",n,this.conversionApi)}else{this.fire("documentFragment",n,this.conversionApi)}if(n.modelRange&&!(n.modelRange instanceof Kf)){throw new u["a"]("view-conversion-dispatcher-incorrect-result",this)}return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){let n=e.is("position")?e:Mf._createAt(e,0);const o=new Kf(n);for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,n);if(t.modelRange instanceof Kf){o.end=t.modelRange.end;n=t.modelCursor}}return{modelRange:o,modelCursor:n}}_safeInsert(t,e){const n=this._splitToAllowedParent(t,e);if(!n){return false}this.conversionApi.writer.insert(t,n.position);return true}_updateConversionResult(t,e){const n=this._getSplitParts(t);const o=this.conversionApi.writer;if(!e.modelRange){e.modelRange=o.createRange(o.createPositionBefore(t),o.createPositionAfter(n[n.length-1]))}const i=this._cursorParents.get(t);if(i){e.modelCursor=o.createPositionAt(i,0)}else{e.modelCursor=e.modelRange.end}}_splitToAllowedParent(t,e){const{schema:n,writer:o}=this.conversionApi;let i=n.findAllowedParent(e,t);if(i){if(i===e.parent){return{position:e}}if(this._modelCursor.parent.getAncestors().includes(i)){i=null}}if(!i){if(!Jm(e,t,n)){return null}return{position:Ym(e,o)}}const r=this.conversionApi.writer.split(e,i);const s=[];for(const t of r.range.getWalker()){if(t.type=="elementEnd"){s.push(t.item)}else{const e=s.pop();const n=t.item;this._registerSplitPair(e,n)}}const a=r.range.end.parent;this._cursorParents.set(t,a);return{position:r.position,cursorParent:a}}_registerSplitPair(t,e){if(!this._splitParts.has(t)){this._splitParts.set(t,[t])}const n=this._splitParts.get(t);this._splitParts.set(e,n);n.push(e)}_getSplitParts(t){let e;if(!this._splitParts.has(t)){e=[t]}else{e=this._splitParts.get(t)}return e}_removeEmptyElements(){let t=false;for(const e of this._splitParts.keys()){if(e.isEmpty){this.conversionApi.writer.remove(e);this._splitParts.delete(e);t=true}}if(t){this._removeEmptyElements()}}}Hn(Vg,g);function Lg(t,e){const n=new Set;const o=new Map;const i=Kf._createIn(t).getItems();for(const t of i){if(t.name=="$marker"){n.add(t)}}for(const t of n){const n=t.getAttribute("data-name");const i=e.createPositionBefore(t);if(!o.has(n)){o.set(n,new Kf(i.clone()))}else{o.get(n).end=i.clone()}e.remove(t)}return o}function Hg(t,e){let n;for(const o of new _g(t)){const t={};for(const e of o.getAttributeKeys()){t[e]=o.getAttribute(e)}const i=e.createElement(o.name,t);if(n){e.append(i,n)}n=Mf._createAt(i,0)}return n}class Kg{getHtml(t){const e=document.implementation.createHTMLDocument("");const n=e.createElement("div");n.appendChild(t);return n.innerHTML}}class qg{constructor(t){this._domParser=new DOMParser;this._domConverter=new du(t,{blockFillerMode:"nbsp"});this._htmlWriter=new Kg}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}registerRawContentMatcher(t){this._domConverter.registerRawContentMatcher(t)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html");const n=e.createDocumentFragment();const o=e.body.childNodes;while(o.length>0){n.appendChild(o[0])}return n}}class jg{constructor(t,e){this.model=t;this.mapper=new qf;this.downcastDispatcher=new Gf({mapper:this.mapper,schema:t.schema});this.downcastDispatcher.on("insert:$text",km(),{priority:"lowest"});this.upcastDispatcher=new Vg({schema:t.schema});this.viewDocument=new Ol(e);this.stylesProcessor=e;this.htmlProcessor=new qg(this.viewDocument);this.processor=this.htmlProcessor;this._viewWriter=new wd(this.viewDocument);this.upcastDispatcher.on("text",Zm(),{priority:"lowest"});this.upcastDispatcher.on("element",Xm(),{priority:"lowest"});this.upcastDispatcher.on("documentFragment",Xm(),{priority:"lowest"});this.decorate("init");this.decorate("set");this.on("init",(()=>{this.fire("ready")}),{priority:"lowest"});this.on("ready",(()=>{this.model.enqueueChange("transparent",$m)}),{priority:"lowest"})}get(t={}){const{rootName:e="main",trim:n="empty"}=t;if(!this._checkIfRootsExists([e])){throw new u["a"]("datacontroller-get-non-existent-root",this)}const o=this.model.document.getRoot(e);if(n==="empty"&&!this.model.hasContent(o,{ignoreWhitespaces:true})){return""}return this.stringify(o,t)}stringify(t,e={}){const n=this.toView(t,e);return this.processor.toData(n)}toView(t,e={}){const n=this.viewDocument;const o=this._viewWriter;this.mapper.clearBindings();const i=Kf._createIn(t);const r=new bd(n);this.mapper.bindElements(t,r);this.downcastDispatcher.conversionApi.options=e;this.downcastDispatcher.convertInsert(i,o);if(!t.is("documentFragment")){const e=Wg(t);for(const[t,n]of e){this.downcastDispatcher.convertMarkerAdd(t,n,o)}}delete this.downcastDispatcher.conversionApi.options;return r}init(t){if(this.model.document.version){throw new u["a"]("datacontroller-init-document-not-empty",this)}let e={};if(typeof t==="string"){e.main=t}else{e=t}if(!this._checkIfRootsExists(Object.keys(e))){throw new u["a"]("datacontroller-init-non-existent-root",this)}this.model.enqueueChange("transparent",(t=>{for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.insert(this.parse(e[n],o),o,0)}}));return Promise.resolve()}set(t){let e={};if(typeof t==="string"){e.main=t}else{e=t}if(!this._checkIfRootsExists(Object.keys(e))){throw new u["a"]("datacontroller-set-non-existent-root",this)}this.model.enqueueChange("transparent",(t=>{t.setSelection(null);t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.remove(t.createRangeIn(o));t.insert(this.parse(e[n],o),o,0)}}))}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change((n=>this.upcastDispatcher.convert(t,n,e)))}addStyleProcessorRules(t){t(this.stylesProcessor)}registerRawContentMatcher(t){if(this.processor&&this.processor!==this.htmlProcessor){this.processor.registerRawContentMatcher(t)}this.htmlProcessor.registerRawContentMatcher(t)}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t){if(!this.model.document.getRootNames().includes(e)){return false}}return true}}Hn(jg,Tn);function Wg(t){const e=[];const n=t.root.document;if(!n){return[]}const o=Kf._createIn(t);for(const t of n.model.markers){const n=o.getIntersection(t.getRange());if(n){e.push([t.name,n])}}return e}class Gg{constructor(t,e){this._helpers=new Map;this._downcast=Ca(t);this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:true});this._upcast=Ca(e);this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:false})}addAlias(t,e){const n=this._downcast.includes(e);const o=this._upcast.includes(e);if(!o&&!n){throw new u["a"]("conversion-add-alias-dispatcher-not-registered",this)}this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t)){throw new u["a"]("conversion-for-unknown-group",this)}return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of Ug(t)){this.for("upcast").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:n}of Ug(t)){this.for("upcast").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:n}of Ug(t)){this.for("upcast").attributeToAttribute({view:n,model:e})}}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t)){throw new u["a"]("conversion-group-exists",this)}const o=n?new bm(e):new Qm(e);this._helpers.set(t,o)}}function*Ug(t){if(t.model.values){for(const e of t.model.values){const n={key:t.model.key,value:e};const o=t.view[e];const i=t.upcastAlso?t.upcastAlso[e]:undefined;yield*$g(n,o,i)}}else{yield*$g(t.model,t.view,t.upcastAlso)}}function*$g(t,e,n){yield{model:t,view:e};if(n){for(const e of Ca(n)){yield{model:t,view:e}}}}class Jg{constructor(t="default"){this.operations=[];this.type=t}get baseVersion(){for(const t of this.operations){if(t.baseVersion!==null){return t.baseVersion}}return null}addOperation(t){t.batch=this;this.operations.push(t);return t}}class Yg{constructor(t){this.baseVersion=t;this.isDocumentOperation=this.baseVersion!==null;this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);t.__className=this.constructor.className;delete t.batch;delete t.isDocumentOperation;return t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class Qg{constructor(t){this.markers=new Map;this._children=new Rf;if(t){this._insertChild(0,t)}}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return this.childCount===0}get root(){return this}get parent(){return null}is(t){return t==="documentFragment"||t==="model:documentFragment"}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t){e=e.getChild(e.offsetToIndex(n))}return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children){t.push(e.toJSON())}return t}static fromJSON(t){const e=[];for(const n of t){if(n.name){e.push(Ff.fromJSON(n))}else{e.push(Pf.fromJSON(n))}}return new Qg(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=Xg(e);for(const t of n){if(t.parent!==null){t._remove()}t.parent=this}this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n){t.parent=null}return n}}function Xg(t){if(typeof t=="string"){return[new Pf(t)]}if(!ba(t)){t=[t]}return Array.from(t).map((t=>{if(typeof t=="string"){return new Pf(t)}if(t instanceof If){return new Pf(t.data,t.getAttributes())}return t}))}function Zg(t,e){e=op(e);const n=e.reduce(((t,e)=>t+e.offsetSize),0);const o=t.parent;rp(t);const i=t.index;o._insertChild(i,e);ip(o,i+e.length);ip(o,i);return new Kf(t,t.getShiftedBy(n))}function tp(t){if(!t.isFlat){throw new u["a"]("operation-utils-remove-range-not-flat",this)}const e=t.start.parent;rp(t.start);rp(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);ip(e,t.start.index);return n}function ep(t,e){if(!t.isFlat){throw new u["a"]("operation-utils-move-range-not-flat",this)}const n=tp(t);e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset);return Zg(e,n)}function np(t,e,n){rp(t.start);rp(t.end);for(const o of t.getItems({shallow:true})){const t=o.is("$textProxy")?o.textNode:o;if(n!==null){t._setAttribute(e,n)}else{t._removeAttribute(e)}ip(t.parent,t.index)}ip(t.end.parent,t.end.index)}function op(t){const e=[];if(!(t instanceof Array)){t=[t]}for(let n=0;nt.maxOffset){throw new u["a"]("move-operation-nodes-do-not-exist",this)}else if(t===e&&n=n&&this.targetPosition.path[t]t._clone(true))));const e=new hp(this.position,t,this.baseVersion);e.shouldReceiveAttributes=this.shouldReceiveAttributes;return e}getReversed(){const t=this.position.root.document.graveyard;const e=new Mf(t,[0]);return new up(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffsett._clone(true))));Zg(this.position,t)}toJSON(){const t=super.toJSON();t.position=this.position.toJSON();t.nodes=this.nodes.toJSON();return t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes){if(e.name){n.push(Ff.fromJSON(e))}else{n.push(Pf.fromJSON(e))}}const o=new hp(Mf.fromJSON(t.position,e),n,t.baseVersion);o.shouldReceiveAttributes=t.shouldReceiveAttributes;return o}}class fp extends Yg{constructor(t,e,n,o,i,r){super(r);this.name=t;this.oldRange=e?e.clone():null;this.newRange=n?n.clone():null;this.affectsData=i;this._markers=o}get type(){return"marker"}clone(){return new fp(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new fp(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,true,this.affectsData)}toJSON(){const t=super.toJSON();if(this.oldRange){t.oldRange=this.oldRange.toJSON()}if(this.newRange){t.newRange=this.newRange.toJSON()}delete t._markers;return t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new fp(t.name,t.oldRange?Kf.fromJSON(t.oldRange,e):null,t.newRange?Kf.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class mp extends Yg{constructor(t,e,n,o){super(o);this.position=t;this.position.stickiness="toNext";this.oldName=e;this.newName=n}get type(){return"rename"}clone(){return new mp(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new mp(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Ff)){throw new u["a"]("rename-operation-wrong-position",this)}else if(t.name!==this.oldName){throw new u["a"]("rename-operation-wrong-name",this)}}_execute(){const t=this.position.nodeAfter;t.name=this.newName}toJSON(){const t=super.toJSON();t.position=this.position.toJSON();return t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new mp(Mf.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class gp extends Yg{constructor(t,e,n,o,i){super(i);this.root=t;this.key=e;this.oldValue=n;this.newValue=o}get type(){if(this.oldValue===null){return"addRootAttribute"}else if(this.newValue===null){return"removeRootAttribute"}else{return"changeRootAttribute"}}clone(){return new gp(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new gp(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment")){throw new u["a"]("rootattribute-operation-not-a-root",this,{root:this.root,key:this.key})}if(this.oldValue!==null&&this.root.getAttribute(this.key)!==this.oldValue){throw new u["a"]("rootattribute-operation-wrong-old-value",this,{root:this.root,key:this.key})}if(this.oldValue===null&&this.newValue!==null&&this.root.hasAttribute(this.key)){throw new u["a"]("rootattribute-operation-attribute-exists",this,{root:this.root,key:this.key})}}_execute(){if(this.newValue!==null){this.root._setAttribute(this.key,this.newValue)}else{this.root._removeAttribute(this.key)}}toJSON(){const t=super.toJSON();t.root=this.root.toJSON();return t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root)){throw new u["a"]("rootattribute-operation-fromjson-no-root",this,{rootName:t.root})}return new gp(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class pp extends Yg{constructor(t,e,n,o,i){super(i);this.sourcePosition=t.clone();this.sourcePosition.stickiness="toPrevious";this.howMany=e;this.targetPosition=n.clone();this.targetPosition.stickiness="toNext";this.graveyardPosition=o.clone()}get type(){return"merge"}get deletionPosition(){return new Mf(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Kf(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this);const e=this.sourcePosition.path.slice(0,-1);const n=new Mf(this.sourcePosition.root,e)._getTransformedByMergeOperation(this);return new bp(t,this.howMany,n,this.graveyardPosition,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent;const e=this.targetPosition.parent;if(!t.parent){throw new u["a"]("merge-operation-source-position-invalid",this)}else if(!e.parent){throw new u["a"]("merge-operation-target-position-invalid",this)}else if(this.howMany!=t.maxOffset){throw new u["a"]("merge-operation-how-many-invalid",this)}}_execute(){const t=this.sourcePosition.parent;const e=Kf._createIn(t);ep(e,this.targetPosition);ep(Kf._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();t.sourcePosition=t.sourcePosition.toJSON();t.targetPosition=t.targetPosition.toJSON();t.graveyardPosition=t.graveyardPosition.toJSON();return t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=Mf.fromJSON(t.sourcePosition,e);const o=Mf.fromJSON(t.targetPosition,e);const i=Mf.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,o,i,t.baseVersion)}}class bp extends Yg{constructor(t,e,n,o,i){super(i);this.splitPosition=t.clone();this.splitPosition.stickiness="toNext";this.howMany=e;this.insertionPosition=n;this.graveyardPosition=o?o.clone():null;if(this.graveyardPosition){this.graveyardPosition.stickiness="toNext"}}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();t.push(0);return new Mf(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Kf(this.splitPosition,t)}clone(){return new this.constructor(this.splitPosition,this.howMany,this.insertionPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.splitPosition.root.document.graveyard;const e=new Mf(t,[0]);return new pp(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent;const e=this.splitPosition.offset;if(!t||t.maxOffset{for(const e of t.getAttributeKeys()){this.removeAttribute(e,t)}};if(!(t instanceof Kf)){e(t)}else{for(const n of t.getItems()){e(n)}}}move(t,e,n){this._assertWriterUsedCorrectly();if(!(t instanceof Kf)){throw new u["a"]("writer-move-invalid-range",this)}if(!t.isFlat){throw new u["a"]("writer-move-range-not-flat",this)}const o=Mf._createAt(e,n);if(o.isEqual(t.start)){return}this._addOperationForAffectedMarkers("move",t);if(!yp(t.root,o.root)){throw new u["a"]("writer-move-different-document",this)}const i=t.root.document?t.root.document.version:null;const r=new up(t.start,t.end.offset-t.start.offset,o,i);this.batch.addOperation(r);this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=t instanceof Kf?t:Kf._createOn(t);const n=e.getMinimalFlatRanges().reverse();for(const t of n){this._addOperationForAffectedMarkers("move",t);vp(t.start,t.end.offset-t.start.offset,this.batch,this.model)}}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore;const n=t.nodeAfter;this._addOperationForAffectedMarkers("merge",t);if(!(e instanceof Ff)){throw new u["a"]("writer-merge-no-element-before",this)}if(!(n instanceof Ff)){throw new u["a"]("writer-merge-no-element-after",this)}if(!t.root.document){this._mergeDetached(t)}else{this._merge(t)}}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore;const n=t.nodeAfter;this.move(Kf._createIn(n),Mf._createAt(e,"end"));this.remove(n)}_merge(t){const e=Mf._createAt(t.nodeBefore,"end");const n=Mf._createAt(t.nodeAfter,0);const o=t.root.document.graveyard;const i=new Mf(o,[0]);const r=t.root.document.version;const s=new pp(n,t.nodeAfter.maxOffset,e,i,r);this.batch.addOperation(s);this.model.applyOperation(s)}rename(t,e){this._assertWriterUsedCorrectly();if(!(t instanceof Ff)){throw new u["a"]("writer-rename-not-element-instance",this)}const n=t.root.document?t.root.document.version:null;const o=new mp(Mf._createBefore(t),t.name,e,n);this.batch.addOperation(o);this.model.applyOperation(o)}split(t,e){this._assertWriterUsedCorrectly();let n=t.parent;if(!n.parent){throw new u["a"]("writer-split-element-no-parent",this)}if(!e){e=n.parent}if(!t.parent.getAncestors({includeSelf:true}).includes(e)){throw new u["a"]("writer-split-invalid-limit-element",this)}let o,i;do{const e=n.root.document?n.root.document.version:null;const r=n.maxOffset-t.offset;const s=bp.getInsertionPosition(t);const a=new bp(t,r,s,null,e);this.batch.addOperation(a);this.model.applyOperation(a);if(!o&&!i){o=n;i=t.parent.nextSibling}t=this.createPositionAfter(t.parent);n=t.parent}while(n!==e);return{position:t,range:new Kf(Mf._createAt(o,"end"),Mf._createAt(i,0))}}wrap(t,e){this._assertWriterUsedCorrectly();if(!t.isFlat){throw new u["a"]("writer-wrap-range-not-flat",this)}const n=e instanceof Ff?e:new Ff(e);if(n.childCount>0){throw new u["a"]("writer-wrap-element-not-empty",this)}if(n.parent!==null){throw new u["a"]("writer-wrap-element-attached",this)}this.insert(n,t.start);const o=new Kf(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(o,Mf._createAt(n,0))}unwrap(t){this._assertWriterUsedCorrectly();if(t.parent===null){throw new u["a"]("writer-unwrap-element-no-parent",this)}this.move(Kf._createIn(t),this.createPositionAfter(t));this.remove(t)}addMarker(t,e){this._assertWriterUsedCorrectly();if(!e||typeof e.usingOperation!="boolean"){throw new u["a"]("writer-addmarker-no-usingoperation",this)}const n=e.usingOperation;const o=e.range;const i=e.affectsData===undefined?false:e.affectsData;if(this.model.markers.has(t)){throw new u["a"]("writer-addmarker-marker-exists",this)}if(!o){throw new u["a"]("writer-addmarker-no-range",this)}if(!n){return this.model.markers._set(t,o,n,i)}_p(this,t,null,o,i);return this.model.markers.get(t)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n=typeof t=="string"?t:t.name;const o=this.model.markers.get(n);if(!o){throw new u["a"]("writer-updatemarker-marker-not-exists",this)}if(!e){this.model.markers._refresh(o);return}const i=typeof e.usingOperation=="boolean";const r=typeof e.affectsData=="boolean";const s=r?e.affectsData:o.affectsData;if(!i&&!e.range&&!r){throw new u["a"]("writer-updatemarker-wrong-options",this)}const a=o.getRange();const c=e.range?e.range:a;if(i&&e.usingOperation!==o.managedUsingOperations){if(e.usingOperation){_p(this,n,null,c,s)}else{_p(this,n,a,null,s);this.model.markers._set(n,c,undefined,s)}return}if(o.managedUsingOperations){_p(this,n,a,c,s)}else{this.model.markers._set(n,c,undefined,s)}}removeMarker(t){this._assertWriterUsedCorrectly();const e=typeof t=="string"?t:t.name;if(!this.model.markers.has(e)){throw new u["a"]("writer-removemarker-no-marker",this)}const n=this.model.markers.get(e);if(!n.managedUsingOperations){this.model.markers._remove(e);return}const o=n.getRange();_p(this,e,o,null,n.affectsData)}setSelection(t,e,n){this._assertWriterUsedCorrectly();this.model.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly();this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){this._assertWriterUsedCorrectly();if(typeof t==="string"){this._setSelectionAttribute(t,e)}else{for(const[e,n]of La(t)){this._setSelectionAttribute(e,n)}}}removeSelectionAttribute(t){this._assertWriterUsedCorrectly();if(typeof t==="string"){this._removeSelectionAttribute(t)}else{for(const e of t){this._removeSelectionAttribute(e)}}}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const o=cm._getStoreAttributeKey(t);this.setAttribute(o,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=cm._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this){throw new u["a"]("writer-incorrect-use",this)}}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations){continue}const o=n.getRange();let i=false;if(t==="move"){i=e.containsPosition(o.start)||e.start.isEqual(o.start)||e.containsPosition(o.end)||e.end.isEqual(o.end)}else{const t=e.nodeBefore;const n=e.nodeAfter;const r=o.start.parent==t&&o.start.isAtEnd;const s=o.end.parent==n&&o.end.offset==0;const a=o.end.nodeAfter==n;const c=o.start.nodeAfter==n;i=r||s||a||c}if(i){this.updateMarker(n.name,{range:o})}}}}function Cp(t,e,n,o){const i=t.model;const r=i.document;let s=o.start;let a;let c;let l;for(const t of o.getWalker({shallow:true})){l=t.item.getAttribute(e);if(a&&c!=l){if(c!=n){d()}s=a}a=t.nextPosition;c=l}if(a instanceof Mf&&a!=s&&c!=n){d()}function d(){const o=new Kf(s,a);const l=o.root.document?r.version:null;const d=new lp(o,e,c,n,l);t.batch.addOperation(d);i.applyOperation(d)}}function Ap(t,e,n,o){const i=t.model;const r=i.document;const s=o.getAttribute(e);let a,c;if(s!=n){const l=o.root===o;if(l){const t=o.document?r.version:null;c=new gp(o,e,s,n,t)}else{a=new Kf(Mf._createBefore(o),t.createPositionAfter(o));const i=a.root.document?r.version:null;c=new lp(a,e,s,n,i)}t.batch.addOperation(c);i.applyOperation(c)}}function _p(t,e,n,o,i){const r=t.model;const s=r.document;const a=new fp(e,n,o,r.markers,i,s.version);t.batch.addOperation(a);r.applyOperation(a)}function vp(t,e,n,o){let i;if(t.root.document){const n=o.document;const r=new Mf(n.graveyard,[0]);i=new up(t,e,r,n.version)}else{i=new dp(t,e)}n.addOperation(i);o.applyOperation(i)}function yp(t,e){if(t===e){return true}if(t instanceof kp&&e instanceof kp){return true}return false}class xp{constructor(t){this._markerCollection=t;this._changesInElement=new Map;this._elementSnapshots=new Map;this._changedMarkers=new Map;this._changeCount=0;this._cachedChanges=null;this._cachedChangesWithGraveyard=null}get isEmpty(){return this._changesInElement.size==0&&this._changedMarkers.size==0}refreshItem(t){if(this._isInInsertedElement(t.parent)){return}this._markRemove(t.parent,t.startOffset,t.offsetSize);this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=Kf._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":{if(this._isInInsertedElement(t.position.parent)){return}this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break}case"addAttribute":case"removeAttribute":case"changeAttribute":{for(const e of t.range.getItems({shallow:true})){if(this._isInInsertedElement(e.parent)){continue}this._markAttribute(e)}break}case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition)){return}const e=this._isInInsertedElement(t.sourcePosition.parent);const n=this._isInInsertedElement(t.targetPosition.parent);if(!e){this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany)}if(!n){this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany)}break}case"rename":{if(this._isInInsertedElement(t.position.parent)){return}this._markRemove(t.position.parent,t.position.offset,1);this._markInsert(t.position.parent,t.position.offset,1);const e=Kf._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;if(!this._isInInsertedElement(e)){this._markRemove(e,t.splitPosition.offset,t.howMany)}if(!this._isInInsertedElement(t.insertionPosition.parent)){this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1)}if(t.graveyardPosition){this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1)}break}case"merge":{const e=t.sourcePosition.parent;if(!this._isInInsertedElement(e.parent)){this._markRemove(e.parent,e.startOffset,1)}const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const o=t.targetPosition.parent;if(!this._isInInsertedElement(o)){this._markInsert(o,t.targetPosition.offset,e.maxOffset)}break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,o){const i=this._changedMarkers.get(t);if(!i){this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:o})}else{i.newRange=n;i.affectsData=o;if(i.oldRange==null&&i.newRange==null){this._changedMarkers.delete(t)}}}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers){if(n.oldRange!=null){t.push({name:e,range:n.oldRange})}}return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers){if(n.newRange!=null){t.push({name:e,range:n.newRange})}}return t}getChangedMarkers(){return Array.from(this._changedMarkers).map((t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}})))}hasDataChanges(){for(const[,t]of this._changedMarkers){if(t.affectsData){return true}}return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:false}){if(this._cachedChanges){if(t.includeChangesInGraveyard){return this._cachedChangesWithGraveyard.slice()}else{return this._cachedChanges.slice()}}let e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort(((t,e)=>{if(t.offset===e.offset){if(t.type!=e.type){return t.type=="remove"?-1:1}return 0}return t.offset{if(t.position.root!=e.position.root){return t.position.root.rootNamet));for(const t of e){delete t.changeCount;if(t.type=="attribute"){delete t.position;delete t.length}}this._changeCount=0;this._cachedChangesWithGraveyard=e.slice();this._cachedChanges=e.filter(Sp);if(t.includeChangesInGraveyard){return this._cachedChangesWithGraveyard}else{return this._cachedChanges}}reset(){this._changesInElement.clear();this._elementSnapshots.clear();this._changedMarkers.clear();this._cachedChanges=null}_markInsert(t,e,n){const o={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o)}_markRemove(t,e,n){const o={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o);this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n);n.push(e);for(let t=0;tn.offset){if(o>i){const t={type:"attribute",offset:i,howMany:o-i,count:this._changeCount++};this._handleChange(t,e);e.push(t)}t.nodesToHandle=n.offset-t.offset;t.howMany=t.nodesToHandle}else if(t.offset>=n.offset&&t.offseti){t.nodesToHandle=o-i;t.offset=i}else{t.nodesToHandle=0}}}if(n.type=="remove"){if(t.offsetn.offset){const i={type:"attribute",offset:n.offset,howMany:o-n.offset,count:this._changeCount++};this._handleChange(i,e);e.push(i);t.nodesToHandle=n.offset-t.offset;t.howMany=t.nodesToHandle}}if(n.type=="attribute"){if(t.offset>=n.offset&&o<=i){t.nodesToHandle=0;t.howMany=0;t.offset=0}else if(t.offset<=n.offset&&o>=i){n.howMany=0}}}}t.howMany=t.nodesToHandle;delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:Mf._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:Mf._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const o=[];n=new Map(n);for(const[i,r]of e){const e=n.has(i)?n.get(i):null;if(e!==r){o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:i,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++})}n.delete(i)}for(const[e,i]of n){o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:i,changeCount:this._changeCount++})}return o}_isInInsertedElement(t){const e=t.parent;if(!e){return false}const n=this._changesInElement.get(e);const o=t.startOffset;if(n){for(const t of n){if(t.type=="insert"&&o>=t.offset&&oo){for(let e=0;e=t&&o.baseVersion{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version){throw new u["a"]("model-document-applyoperation-wrong-version",this,{operation:n})}}),{priority:"highest"});this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];if(n.isDocumentOperation){this.differ.bufferOperation(n)}}),{priority:"high"});this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];if(n.isDocumentOperation){this.version++;this.history.addOperation(n)}}),{priority:"low"});this.listenTo(this.selection,"change",(()=>{this._hasSelectionChangedFromTheLastChangeBlock=true}));this.listenTo(t.markers,"update",((t,e,n,o)=>{this.differ.bufferMarkerChange(e.name,n,o,e.affectsData);if(n===null){e.on("change",((t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)}))}}))}get graveyard(){return this.getRoot(zp)}createRoot(t="$root",e="main"){if(this.roots.get(e)){throw new u["a"]("model-document-createroot-name-exists",this,{name:e})}const n=new kp(this,t,e);this.roots.add(n);return n}destroy(){this.selection.destroy();this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,(t=>t.rootName)).filter((t=>t!=zp))}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=za(this);t.selection="[engine.model.DocumentSelection]";t.model="[engine.model.Model]";return t}_handleChangeBlock(t){if(this._hasDocumentChangedFromTheLastChangeBlock()){this._callPostFixers(t);this.selection.refresh();if(this.differ.hasDataChanges()){this.fire("change:data",t.batch)}else{this.fire("change",t.batch)}this.selection.refresh();this.differ.reset()}this._hasSelectionChangedFromTheLastChangeBlock=false}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots){if(t!==this.graveyard){return t}}return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot();const e=this.model;const n=e.schema;const o=e.createPositionFromPath(t,[0]);const i=n.getNearestSelectionRange(o);return i||e.createRange(o)}_validateSelectionRange(t){return Np(t.start)&&Np(t.end)}_callPostFixers(t){let e=false;do{for(const n of this._postFixers){this.selection.refresh();e=n(t);if(e){break}}}while(e)}}Hn(Op,g);function Np(t){const e=t.textNode;if(e){const n=e.data;const o=t.offset-e.startOffset;return!Rp(n,o)&&!Fp(n,o)}return true}class Mp{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=false,o=false){const i=t instanceof Vp?t.name:t;if(i.includes(",")){throw new u["a"]("markercollection-incorrect-marker-name",this)}const r=this._markers.get(i);if(r){const t=r.getRange();let s=false;if(!t.isEqual(e)){r._attachLiveRange(om.fromRange(e));s=true}if(n!=r.managedUsingOperations){r._managedUsingOperations=n;s=true}if(typeof o==="boolean"&&o!=r.affectsData){r._affectsData=o;s=true}if(s){this.fire("update:"+i,r,t,e)}return r}const s=om.fromRange(e);const a=new Vp(i,s,n,o);this._markers.set(i,a);this.fire("update:"+i,a,null,e);return a}_remove(t){const e=t instanceof Vp?t.name:t;const n=this._markers.get(e);if(n){this._markers.delete(e);this.fire("update:"+e,n,n.getRange(),null);this._destroyMarker(n);return true}return false}_refresh(t){const e=t instanceof Vp?t.name:t;const n=this._markers.get(e);if(!n){throw new u["a"]("markercollection-refresh-marker-not-exists",this)}const o=n.getRange();this.fire("update:"+e,n,o,o,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(t){for(const e of this){if(e.getRange().containsPosition(t)){yield e}}}*getMarkersIntersectingRange(t){for(const e of this){if(e.getRange().getIntersection(t)!==null){yield e}}}destroy(){for(const t of this._markers.values()){this._destroyMarker(t)}this._markers=null;this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values()){if(e.name.startsWith(t+":")){yield e}}}_destroyMarker(t){t.stopListening();t._detachLiveRange()}}Hn(Mp,g);class Vp{constructor(t,e,n,o){this.name=t;this._liveRange=this._attachLiveRange(e);this._managedUsingOperations=n;this._affectsData=o}get managedUsingOperations(){if(!this._liveRange){throw new u["a"]("marker-destroyed",this)}return this._managedUsingOperations}get affectsData(){if(!this._liveRange){throw new u["a"]("marker-destroyed",this)}return this._affectsData}getStart(){if(!this._liveRange){throw new u["a"]("marker-destroyed",this)}return this._liveRange.start.clone()}getEnd(){if(!this._liveRange){throw new u["a"]("marker-destroyed",this)}return this._liveRange.end.clone()}getRange(){if(!this._liveRange){throw new u["a"]("marker-destroyed",this)}return this._liveRange.toRange()}is(t){return t==="marker"||t==="model:marker"}_attachLiveRange(t){if(this._liveRange){this._detachLiveRange()}t.delegate("change:range").to(this);t.delegate("change:content").to(this);this._liveRange=t;return t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this);this._liveRange.stopDelegating("change:content",this);this._liveRange.detach();this._liveRange=null}}Hn(Vp,g);class Lp extends Yg{get type(){return"noop"}clone(){return new Lp(this.baseVersion)}getReversed(){return new Lp(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const Hp={};Hp[lp.className]=lp;Hp[hp.className]=hp;Hp[fp.className]=fp;Hp[up.className]=up;Hp[Lp.className]=Lp;Hp[Yg.className]=Yg;Hp[mp.className]=mp;Hp[gp.className]=gp;Hp[bp.className]=bp;Hp[pp.className]=pp;class Kp{static fromJSON(t,e){return Hp[t.__className].fromJSON(t,e)}}class qp extends Mf{constructor(t,e,n="toNone"){super(t,e,n);if(!this.root.is("rootElement")){throw new u["a"]("model-liveposition-root-not-rootelement",t)}jp.call(this)}detach(){this.stopListening()}is(t){return t==="livePosition"||t==="model:livePosition"||t=="position"||t==="model:position"}toPosition(){return new Mf(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e?e:t.stickiness)}}function jp(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}Wp.call(this,n)}),{priority:"low"})}function Wp(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path;this.root=e.root;this.fire("change",t)}}Hn(qp,g);function Gp(t,e,n,o){return t.change((i=>{let r;if(!n){r=t.document.selection}else if(n instanceof Qf||n instanceof cm){r=n}else{r=i.createSelection(n,o)}if(!r.isCollapsed){t.deleteContent(r,{doNotAutoparagraph:true})}const s=new Up(t,i,r.anchor);let a;if(e.is("documentFragment")){a=e.getChildren()}else{a=[e]}s.handleNodes(a);const c=s.getSelectionRange();if(c){if(r instanceof cm){i.setSelection(c)}else{r.setTo(c)}}else{}const l=s.getAffectedRange()||t.createRange(r.anchor);s.destroy();return l}))}class Up{constructor(t,e,n){this.model=t;this.writer=e;this.position=n;this.canMergeWith=new Set([this.position.parent]);this.schema=t.schema;this._documentFragment=e.createDocumentFragment();this._documentFragmentPosition=e.createPositionAt(this._documentFragment,0);this._firstNode=null;this._lastNode=null;this._lastAutoParagraph=null;this._filterAttributesOf=[];this._affectedStart=null;this._affectedEnd=null}handleNodes(t){for(const e of Array.from(t)){this._handleNode(e)}this._insertPartialFragment();if(this._lastAutoParagraph){this._updateLastNodeFromAutoParagraph(this._lastAutoParagraph)}this._mergeOnRight();this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer);this._filterAttributesOf=[]}_updateLastNodeFromAutoParagraph(t){const e=this.writer.createPositionAfter(this._lastNode);const n=this.writer.createPositionAfter(t);if(n.isAfter(e)){this._lastNode=t;if(this.position.parent!=t||!this.position.isAtEnd){throw new u["a"]("insertcontent-invalid-insertion-position",this)}this.position=n;this._setAffectedBoundaries(this.position)}}getSelectionRange(){if(this.nodeToSelect){return Kf._createOn(this.nodeToSelect)}return this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){if(!this._affectedStart){return null}return new Kf(this._affectedStart,this._affectedEnd)}destroy(){if(this._affectedStart){this._affectedStart.detach()}if(this._affectedEnd){this._affectedEnd.detach()}}_handleNode(t){if(this.schema.isObject(t)){this._handleObject(t);return}let e=this._checkAndAutoParagraphToAllowedPosition(t);if(!e){e=this._checkAndSplitToAllowedPosition(t);if(!e){this._handleDisallowedNode(t);return}}this._appendToFragment(t);if(!this._firstNode){this._firstNode=t}this._lastNode=t}_insertPartialFragment(){if(this._documentFragment.isEmpty){return}const t=qp.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position);if(this._documentFragment.getChild(0)==this._firstNode){this.writer.insert(this._firstNode,this.position);this._mergeOnLeft();this.position=t.toPosition()}if(!this._documentFragment.isEmpty){this.writer.insert(this._documentFragment,this.position)}this._documentFragmentPosition=this.writer.createPositionAt(this._documentFragment,0);this.position=t.toPosition();t.detach()}_handleObject(t){if(this._checkAndSplitToAllowedPosition(t)){this._appendToFragment(t)}else{this._tryAutoparagraphing(t)}}_handleDisallowedNode(t){if(t.is("element")){this.handleNodes(t.getChildren())}else{this._tryAutoparagraphing(t)}}_appendToFragment(t){if(!this.schema.checkChild(this.position,t)){throw new u["a"]("insertcontent-wrong-position",this,{node:t,position:this.position})}this.writer.insert(t,this._documentFragmentPosition);this._documentFragmentPosition=this._documentFragmentPosition.getShiftedBy(t.offsetSize);if(this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")){this.nodeToSelect=t}else{this.nodeToSelect=null}this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){if(!this._affectedStart){this._affectedStart=qp.fromPosition(t,"toPrevious")}if(!this._affectedEnd||this._affectedEnd.isBefore(t)){if(this._affectedEnd){this._affectedEnd.detach()}this._affectedEnd=qp.fromPosition(t,"toNext")}}_mergeOnLeft(){const t=this._firstNode;if(!(t instanceof Ff)){return}if(!this._canMergeLeft(t)){return}const e=qp._createBefore(t);e.stickiness="toNext";const n=qp.fromPosition(this.position,"toNext");if(this._affectedStart.isEqual(e)){this._affectedStart.detach();this._affectedStart=qp._createAt(e.nodeBefore,"end","toPrevious")}if(this._firstNode===this._lastNode){this._firstNode=e.nodeBefore;this._lastNode=e.nodeBefore}this.writer.merge(e);if(e.isEqual(this._affectedEnd)&&this._firstNode===this._lastNode){this._affectedEnd.detach();this._affectedEnd=qp._createAt(e.nodeBefore,"end","toNext")}this.position=n.toPosition();n.detach();this._filterAttributesOf.push(this.position.parent);e.detach()}_mergeOnRight(){const t=this._lastNode;if(!(t instanceof Ff)){return}if(!this._canMergeRight(t)){return}const e=qp._createAfter(t);e.stickiness="toNext";if(!this.position.isEqual(e)){throw new u["a"]("insertcontent-invalid-insertion-position",this)}this.position=Mf._createAt(e.nodeBefore,"end");const n=qp.fromPosition(this.position,"toPrevious");if(this._affectedEnd.isEqual(e)){this._affectedEnd.detach();this._affectedEnd=qp._createAt(e.nodeBefore,"end","toNext")}if(this._firstNode===this._lastNode){this._firstNode=e.nodeBefore;this._lastNode=e.nodeBefore}this.writer.merge(e);if(e.getShiftedBy(-1).isEqual(this._affectedStart)&&this._firstNode===this._lastNode){this._affectedStart.detach();this._affectedStart=qp._createAt(e.nodeBefore,0,"toPrevious")}this.position=n.toPosition();n.detach();this._filterAttributesOf.push(this.position.parent);e.detach()}_canMergeLeft(t){const e=t.previousSibling;return e instanceof Ff&&this.canMergeWith.has(e)&&this.model.schema.checkMerge(e,t)}_canMergeRight(t){const e=t.nextSibling;return e instanceof Ff&&this.canMergeWith.has(e)&&this.model.schema.checkMerge(t,e)}_tryAutoparagraphing(t){const e=this.writer.createElement("paragraph");if(this._getAllowedIn(e,this.position.parent)&&this.schema.checkChild(e,t)){e._appendChild(t);this._handleNode(e)}}_checkAndAutoParagraphToAllowedPosition(t){if(this.schema.checkChild(this.position.parent,t)){return true}if(!this.schema.checkChild(this.position.parent,"paragraph")||!this.schema.checkChild("paragraph",t)){return false}this._insertPartialFragment();const e=this.writer.createElement("paragraph");this.writer.insert(e,this.position);this._setAffectedBoundaries(this.position);this._lastAutoParagraph=e;this.position=this.writer.createPositionAt(e,0);return true}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e){return false}if(e!=this.position.parent){this._insertPartialFragment()}while(e!=this.position.parent){if(this.schema.isLimit(this.position.parent)){return false}if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t);if(t.isEmpty&&t.parent===e){this.writer.remove(t)}}else if(this.position.isAtEnd){this.position=this.writer.createPositionAfter(this.position.parent)}else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position);this.writer.split(this.position);this.position=t;this.canMergeWith.add(this.position.nodeAfter)}}return true}_getAllowedIn(t,e){if(this.schema.checkChild(e,t)){return e}if(e.parent){return this._getAllowedIn(t,e.parent)}return null}}function $p(t,e,n={}){if(e.isCollapsed){return}const o=e.getFirstRange();if(o.root.rootName=="$graveyard"){return}const i=t.schema;t.change((t=>{if(!n.doNotResetEntireContent&&ab(i,e)){sb(t,e,i);return}const[r,s]=Jp(o);if(!r.isTouching(s)){t.remove(t.createRange(r,s))}if(!n.leaveUnmerged){Qp(t,r,s);i.removeDisallowedAttributes(r.parent.getChildren(),t)}cb(t,e,r);if(!n.doNotAutoparagraph&&ob(i,r)){rb(t,r,e)}r.detach();s.detach()}))}function Jp(t){const e=t.root.document.model;const n=t.start;let o=t.end;if(e.hasContent(t,{ignoreMarkers:true})){const n=Yp(o);if(n&&o.isTouching(e.createPositionAt(n,0))){const n=e.createSelection(t);e.modifySelection(n,{direction:"backward"});o=n.getLastPosition()}}return[qp.fromPosition(n,"toPrevious"),qp.fromPosition(o,"toNext")]}function Yp(t){const e=t.parent;const n=e.root.document.model.schema;const o=e.getAncestors({parentFirst:true,includeSelf:true});for(const t of o){if(n.isLimit(t)){return null}if(n.isBlock(t)){return t}}}function Qp(t,e,n){const o=t.model;if(!eb(t.model.schema,e,n)){return}const[i,r]=nb(e,n);if(!i||!r){return}if(!o.hasContent(i,{ignoreMarkers:true})&&o.hasContent(r,{ignoreMarkers:true})){Zp(t,e,n,i.parent)}else{Xp(t,e,n,i.parent)}}function Xp(t,e,n,o){const i=e.parent;const r=n.parent;if(i==o||r==o){return}e=t.createPositionAfter(i);n=t.createPositionBefore(r);if(!n.isEqual(e)){t.insert(r,e)}t.merge(e);while(n.parent.isEmpty){const e=n.parent;n=t.createPositionBefore(e);t.remove(e)}if(!eb(t.model.schema,e,n)){return}Xp(t,e,n,o)}function Zp(t,e,n,o){const i=e.parent;const r=n.parent;if(i==o||r==o){return}e=t.createPositionAfter(i);n=t.createPositionBefore(r);if(!n.isEqual(e)){t.insert(i,n)}while(e.parent.isEmpty){const n=e.parent;e=t.createPositionBefore(n);t.remove(n)}n=t.createPositionBefore(r);tb(t,n);if(!eb(t.model.schema,e,n)){return}Zp(t,e,n,o)}function tb(t,e){const n=e.nodeBefore;const o=e.nodeAfter;if(n.name!=o.name){t.rename(n,o.name)}t.clearAttributes(n);t.setAttributes(Object.fromEntries(o.getAttributes()),n);t.merge(e)}function eb(t,e,n){const o=e.parent;const i=n.parent;if(o==i){return false}if(t.isLimit(o)||t.isLimit(i)){return false}return ib(e,n,t)}function nb(t,e){const n=t.getAncestors();const o=e.getAncestors();let i=0;while(n[i]&&n[i]==o[i]){i++}return[n[i],o[i]]}function ob(t,e){const n=t.checkChild(e,"$text");const o=t.checkChild(e,"paragraph");return!n&&o}function ib(t,e,n){const o=new Kf(t,e);for(const t of o.getWalker()){if(n.isLimit(t.item)){return false}}return true}function rb(t,e,n){const o=t.createElement("paragraph");t.insert(o,e);cb(t,n,t.createPositionAt(o,0))}function sb(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n));rb(t,t.createPositionAt(n,0),e)}function ab(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n)){return false}const o=e.getFirstRange();if(o.start.parent==o.end.parent){return false}return t.checkChild(n,"paragraph")}function cb(t,e,n){if(e instanceof cm){t.setSelection(n)}else{e.setTo(n)}}const lb=' ,.?!:;"-()';function db(t,e,n={}){const o=t.schema;const i=n.direction!="backward";const r=n.unit?n.unit:"character";const s=e.focus;const a=new Of({boundaries:mb(s,i),singleCharacters:true,direction:i?"forward":"backward"});const c={walker:a,schema:o,isForward:i,unit:r};let l;while(l=a.next()){if(l.done){return}const n=ub(c,l.value);if(n){if(e instanceof cm){t.change((t=>{t.setSelectionFocus(n)}))}else{e.setFocus(n)}return}}}function ub(t,e){const{isForward:n,walker:o,unit:i,schema:r}=t;const{type:s,item:a,nextPosition:c}=e;if(s=="text"){if(t.unit==="word"){return fb(o,n)}return hb(o,i,n)}if(s==(n?"elementStart":"elementEnd")){if(r.isSelectable(a)){return Mf._createAt(a,n?"after":"before")}if(r.checkChild(c,"$text")){return c}}else{if(r.isLimit(a)){o.skip((()=>true));return}if(r.checkChild(c,"$text")){return c}}}function hb(t,e){const n=t.position.textNode;if(n){const o=n.data;let i=t.position.offset-n.startOffset;while(Rp(o,i)||e=="character"&&Fp(o,i)){t.next();i=t.position.offset-n.startOffset}}return t.position}function fb(t,e){let n=t.position.textNode;if(n){let o=t.position.offset-n.startOffset;while(!gb(n.data,o,e)&&!pb(n,o,e)){t.next();const i=e?t.position.nodeAfter:t.position.nodeBefore;if(i&&i.is("$text")){const o=i.data.charAt(e?0:i.data.length-1);if(!lb.includes(o)){t.next();n=t.position.textNode}}o=t.position.offset-n.startOffset}}return t.position}function mb(t,e){const n=t.root;const o=Mf._createAt(n,e?"end":0);if(e){return new Kf(t,o)}else{return new Kf(o,t)}}function gb(t,e,n){const o=e+(n?0:-1);return lb.includes(t.charAt(o))}function pb(t,e,n){return e===(n?t.endOffset:0)}function bb(t,e){return t.change((t=>{const n=t.createDocumentFragment();const o=e.getFirstRange();if(!o||o.isCollapsed){return n}const i=o.start.root;const r=o.start.getCommonPath(o.end);const s=i.getNodeByPath(r);let a;if(o.start.parent==o.end.parent){a=o}else{a=t.createRange(t.createPositionAt(s,o.start.path[r.length]),t.createPositionAt(s,o.end.path[r.length]+1))}const c=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:true})){if(e.is("$textProxy")){t.appendText(e.data,e.getAttributes(),n)}else{t.append(t.cloneElement(e,true),n)}}if(a!=o){const e=o._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0];const i=t.createRange(t.createPositionAt(n,0),e.start);const r=t.createRange(e.end,t.createPositionAt(n,"end"));kb(r,t);kb(i,t)}return n}))}function kb(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map((t=>e.createRangeOn(t))).filter((e=>{const n=(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end));return n})).forEach((t=>{n.push(t.start.parent);e.remove(t)}));n.forEach((t=>{let n=t;while(n.parent&&n.isEmpty){const t=e.createRangeOn(n);n=n.parent;e.remove(t)}}))}function wb(t){t.document.registerPostFixer((e=>Cb(e,t)))}function Cb(t,e){const n=e.document.selection;const o=e.schema;const i=[];let r=false;for(const t of n.getRanges()){const e=Ab(t,o);if(e&&!e.isEqual(t)){i.push(e);r=true}else{i.push(t)}}if(r){t.setSelection(Eb(i),{backward:n.isBackward})}}function Ab(t,e){if(t.isCollapsed){return _b(t,e)}return vb(t,e)}function _b(t,e){const n=t.start;const o=e.getNearestSelectionRange(n);if(!o){return null}if(!o.isCollapsed){return o}const i=o.start;if(n.isEqual(i)){return null}return new Kf(i)}function vb(t,e){const{start:n,end:o}=t;const i=e.checkChild(n,"$text");const r=e.checkChild(o,"$text");const s=e.getLimitElement(n);const a=e.getLimitElement(o);if(s===a){if(i&&r){return null}if(xb(n,o,e)){const t=n.nodeAfter&&e.isSelectable(n.nodeAfter);const i=t?null:e.getNearestSelectionRange(n,"forward");const r=o.nodeBefore&&e.isSelectable(o.nodeBefore);const s=r?null:e.getNearestSelectionRange(o,"backward");const a=i?i.start:n;const c=s?s.end:o;return new Kf(a,c)}}const c=s&&!s.is("rootElement");const l=a&&!a.is("rootElement");if(c||l){const t=n.nodeAfter&&o.nodeBefore&&n.nodeAfter.parent===o.nodeBefore.parent;const i=c&&(!t||!Db(n.nodeAfter,e));const r=l&&(!t||!Db(o.nodeBefore,e));let d=n;let u=o;if(i){d=Mf._createBefore(yb(s,e))}if(r){u=Mf._createAfter(yb(a,e))}return new Kf(d,u)}return null}function yb(t,e){let n=t;let o=n;while(e.isLimit(o)&&o.parent){n=o;o=o.parent}return n}function xb(t,e,n){const o=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text");const i=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return o||i}function Eb(t){const e=[];e.push(t.shift());for(const n of t){const t=e.pop();if(n.isEqual(t)){e.push(t)}else if(n.isIntersecting(t)){const o=t.start.isAfter(n.start)?n.start:t.start;const i=t.end.isAfter(n.end)?t.end:n.end;const r=new Kf(o,i);e.push(r)}else{e.push(t);e.push(n)}}return e}function Db(t,e){return t&&e.isSelectable(t)}class Sb{constructor(){this.markers=new Mp;this.document=new Op(this);this.schema=new Ag;this._pendingChanges=[];this._currentWriter=null;["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach((t=>this.decorate(t)));this.on("applyOperation",((t,e)=>{const n=e[0];n._validate()}),{priority:"highest"});this.schema.register("$root",{isLimit:true});this.schema.register("$block",{allowIn:"$root",isBlock:true});this.schema.register("$text",{allowIn:"$block",isInline:true,isContent:true});this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:true});this.schema.extend("$text",{allowIn:"$clipboardHolder"});this.schema.register("$marker");this.schema.addChildCheck(((t,e)=>{if(e.name==="$marker"){return true}}));wb(this);this.document.registerPostFixer($m)}change(t){try{if(this._pendingChanges.length===0){this._pendingChanges.push({batch:new Jg,callback:t});return this._runPendingChanges()[0]}else{return t(this._currentWriter)}}catch(t){u["a"].rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{if(typeof t==="string"){t=new Jg(t)}else if(typeof t=="function"){e=t;t=new Jg}this._pendingChanges.push({batch:t,callback:e});if(this._pendingChanges.length==1){this._runPendingChanges()}}catch(t){u["a"].rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,n){return Gp(this,t,e,n)}deleteContent(t,e){$p(this,t,e)}modifySelection(t,e){db(this,t,e)}getSelectedContent(t){return bb(this,t)}hasContent(t,e={}){const n=t instanceof Ff?Kf._createIn(t):t;if(n.isCollapsed){return false}const{ignoreWhitespaces:o=false,ignoreMarkers:i=false}=e;if(!i){for(const t of this.markers.getMarkersIntersectingRange(n)){if(t.affectsData){return true}}}for(const t of n.getItems()){if(this.schema.isContent(t)){if(t.is("$textProxy")){if(!o){return true}else if(t.data.search(/\S/)!==-1){return true}}else{return true}}}return false}createPositionFromPath(t,e,n){return new Mf(t,e,n)}createPositionAt(t,e){return Mf._createAt(t,e)}createPositionAfter(t){return Mf._createAfter(t)}createPositionBefore(t){return Mf._createBefore(t)}createRange(t,e){return new Kf(t,e)}createRangeIn(t){return Kf._createIn(t)}createRangeOn(t){return Kf._createOn(t)}createSelection(t,e,n){return new Qf(t,e,n)}createBatch(t){return new Jg(t)}createOperationFromJSON(t){return Kp.fromJSON(t,this.document)}destroy(){this.document.destroy();this.stopListening()}_runPendingChanges(){const t=[];this.fire("_beforeChanges");while(this._pendingChanges.length){const e=this._pendingChanges[0].batch;this._currentWriter=new wp(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n);this.document._handleChangeBlock(this._currentWriter);this._pendingChanges.shift();this._currentWriter=null}this.fire("_afterChanges");return t}}Hn(Sb,Tn);class Bb extends gf{constructor(t){super();this.editor=t}set(t,e,n={}){if(typeof e=="string"){const t=e;e=(e,n)=>{this.editor.execute(t);n()}}super.set(t,e,n)}}class Tb{constructor(t={}){this._context=t.context||new Ta({language:t.language});this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new ma(t,this.constructor.defaultConfig);this.config.define("plugins",e);this.config.define(this._context._getEditorConfig());this.plugins=new wa(this,e,this._context.plugins);this.locale=this._context.locale;this.t=this.locale.t;this.commands=new kg;this.set("state","initializing");this.once("ready",(()=>this.state="ready"),{priority:"high"});this.once("destroy",(()=>this.state="destroyed"),{priority:"high"});this.set("isReadOnly",false);this.model=new Sb;const n=new al;this.data=new jg(this.model,n);this.editing=new bg(this.model,n);this.editing.view.document.bind("isReadOnly").to(this);this.conversion=new Gg([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher);this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher);this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher);this.keystrokes=new Bb(this);this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config;const e=t.get("plugins");const n=t.get("removePlugins")||[];const o=t.get("extraPlugins")||[];const i=t.get("substitutePlugins")||[];return this.plugins.init(e.concat(o),n,i)}destroy(){let t=Promise.resolve();if(this.state=="initializing"){t=new Promise((t=>this.once("ready",t)))}return t.then((()=>{this.fire("destroy");this.stopListening();this.commands.destroy()})).then((()=>this.plugins.destroy())).then((()=>{this.model.destroy();this.data.destroy();this.editing.destroy();this.keystrokes.destroy()})).then((()=>this._context._removeEditor(this)))}execute(...t){try{return this.commands.execute(...t)}catch(t){u["a"].rethrowUnexpectedError(t,this)}}focus(){this.editing.view.focus()}}Hn(Tb,Tn);class Pb{constructor(t){this.editor=t;this._components=new Map}*names(){for(const t of this._components.values()){yield t.originalName}}add(t,e){this._components.set(Ib(t),{callback:e,originalName:t})}create(t){if(!this.has(t)){throw new u["a"]("componentfactory-item-missing",this,{name:t})}return this._components.get(Ib(t)).callback(this.editor.locale)}has(t){return this._components.has(Ib(t))}}function Ib(t){return String(t).toLowerCase()}class Rb{constructor(t){this.editor=t;this.componentFactory=new Pb(t);this.focusTracker=new mf;this._editableElementsMap=new Map;this.listenTo(t.editing.view.document,"layoutChanged",(()=>this.update()))}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening();this.focusTracker.destroy();for(const t of this._editableElementsMap.values()){t.ckeditorInstance=null}this._editableElementsMap=new Map}setEditableElement(t,e){this._editableElementsMap.set(t,e);if(!e.ckeditorInstance){e.ckeditorInstance=this.editor}}getEditableElement(t="main"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){console.warn("editor-ui-deprecated-editable-elements: "+"The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this});return this._editableElementsMap}}Hn(Rb,g);function Fb(t){if(!X(t.updateSourceElement)){throw new u["a"]("attachtoform-missing-elementapi-interface",t)}const e=t.sourceElement;if(e&&e.tagName.toLowerCase()==="textarea"&&e.form){let n;const o=e.form;const i=()=>t.updateSourceElement();if(X(o.submit)){n=o.submit;o.submit=()=>{i();n.apply(o)}}o.addEventListener("submit",i);t.on("destroy",(()=>{o.removeEventListener("submit",i);if(n){o.submit=n}}))}}const zb={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var Ob=zb;const Nb={updateSourceElement(){if(!this.sourceElement){throw new u["a"]("editor-missing-sourceelement",this)}uf(this.sourceElement,this.data.get())}};var Mb=Nb;function Vb(t){const e=t.sourceElement;if(!e){return}if(e.ckeditorInstance){throw new u["a"]("editor-source-element-already-used",t)}e.ckeditorInstance=t;t.once("destroy",(()=>{delete e.ckeditorInstance}))}class Lb extends Pa{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",false);this._actions=new ka({idProperty:"_id"});this._actions.delegate("add","remove").to(this)}add(t){if(typeof t!=="string"){throw new u["a"]("pendingactions-add-invalid-message",this)}const e=Object.create(Tn);e.set("message",t);this._actions.add(e);this.hasAny=true;return e}remove(t){this._actions.remove(t);this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}var Hb=' ';var Kb=' ';var qb=' ';var jb=' ';var Wb=' ';var Gb=' ';var Ub=' ';var $b=' ';var Jb=' ';var Yb=' ';var Qb=' ';var Xb=' ';var Zb=' ';var tk=' ';var ek=' ';var nk=' ';var ok=' ';var ik=' ';var rk=' ';var sk=' ';var ak=' ';var ck=' ';var lk=' ';var dk=' ';var uk=' ';const hk={cancel:Hb,caption:Kb,check:qb,eraser:jb,lowVision:Wb,image:Gb,alignBottom:Ub,alignMiddle:$b,alignTop:Jb,alignLeft:Yb,alignCenter:Qb,alignRight:Xb,alignJustify:Zb,objectLeft:tk,objectCenter:ek,objectRight:nk,objectFullWidth:ok,objectSizeFull:ik,objectSizeLarge:rk,objectSizeSmall:sk,objectSizeMedium:ak,pencil:ck,pilcrow:lk,quote:dk,threeVerticalDots:uk};function fk({emitter:t,activator:e,callback:n,contextElements:o}){t.listenTo(document,"mousedown",((t,i)=>{if(!e()){return}const r=typeof i.composedPath=="function"?i.composedPath():[];for(const t of o){if(t.contains(i.target)||r.includes(t)){return}}n()}))}function mk(t){t.set("_isCssTransitionsDisabled",false);t.disableCssTransitions=()=>{t._isCssTransitionsDisabled=true};t.enableCssTransitions=()=>{t._isCssTransitionsDisabled=false};t.extendTemplate({attributes:{class:[t.bindTemplate.if("_isCssTransitionsDisabled","ck-transitions-disabled")]}})}function gk({view:t}){t.listenTo(t.element,"submit",((e,n)=>{n.preventDefault();t.fire("submit")}),{useCapture:true})}class pk extends ka{constructor(t=[]){super(t,{idProperty:"viewUid"});this.on("add",((t,e,n)=>{this._renderViewIntoCollectionParent(e,n)}));this.on("remove",((t,e)=>{if(e.element&&this._parentElement){e.element.remove()}}));this._parentElement=null}destroy(){this.map((t=>t.destroy()))}setParent(t){this._parentElement=t;for(const t of this){this._renderViewIntoCollectionParent(t)}}delegate(...t){if(!t.length||!bk(t)){throw new u["a"]("ui-viewcollection-delegate-wrong-events",this)}return{to:e=>{for(const n of this){for(const o of t){n.delegate(o).to(e)}}this.on("add",((n,o)=>{for(const n of t){o.delegate(n).to(e)}}));this.on("remove",((n,o)=>{for(const n of t){o.stopDelegating(n,e)}}))}}}_renderViewIntoCollectionParent(t,e){if(!t.isRendered){t.render()}if(t.element&&this._parentElement){this._parentElement.insertBefore(t.element,this._parentElement.children[e])}}}function bk(t){return t.every((t=>typeof t=="string"))}var kk=n(1);var wk=n.n(kk);var Ck=n(12);var Ak={injectType:"singletonStyleTag",attributes:{"data-cke":true}};Ak.insert="head";Ak.singleton=true;var _k=wk()(Ck["a"],Ak);var vk=Ck["a"].locals||{};class yk{constructor(t){this.element=null;this.isRendered=false;this.locale=t;this.t=t&&t.t;this._viewCollections=new ka;this._unboundChildren=this.createCollection();this._viewCollections.on("add",((e,n)=>{n.locale=t}));this.decorate("render")}get bindTemplate(){if(this._bindTemplate){return this._bindTemplate}return this._bindTemplate=Ek.bind(this,this)}createCollection(t){const e=new pk(t);this._viewCollections.add(e);return e}registerChild(t){if(!ba(t)){t=[t]}for(const e of t){this._unboundChildren.add(e)}}deregisterChild(t){if(!ba(t)){t=[t]}for(const e of t){this._unboundChildren.remove(e)}}setTemplate(t){this.template=new Ek(t)}extendTemplate(t){Ek.extend(this.template,t)}render(){if(this.isRendered){throw new u["a"]("ui-view-render-already-rendered",this)}if(this.template){this.element=this.template.render();this.registerChild(this.template.getViews())}this.isRendered=true}destroy(){this.stopListening();this._viewCollections.map((t=>t.destroy()));if(this.template&&this.template._revertData){this.template.revert(this.element)}}}Hn(yk,bu);Hn(yk,Tn);const xk="http://www.w3.org/1999/xhtml";class Ek{constructor(t){Object.assign(this,Nk(Ok(t)));this._isRendered=false;this._revertData=null}render(){const t=this._renderNode({intoFragment:true});this._isRendered=true;return t}apply(t){this._revertData=Yk();this._renderNode({node:t,isApplying:true,revertData:this._revertData});return t}revert(t){if(!this._revertData){throw new u["a"]("ui-template-revert-not-applied",[this,t])}this._revertTemplateFromNode(t,this._revertData)}*getViews(){function*t(e){if(e.children){for(const n of e.children){if(Uk(n)){yield n}else if($k(n)){yield*t(n)}}}}yield*t(this)}static bind(t,e){return{to(n,o){return new Sk({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:o})},if(n,o,i){return new Bk({observable:t,emitter:e,attribute:n,valueIfTrue:o,callback:i})}}}static extend(t,e){if(t._isRendered){throw new u["a"]("template-extend-render",[this,t])}Wk(t,Nk(Ok(e)))}_renderNode(t){let e;if(t.node){e=this.tag&&this.text}else{e=this.tag?this.text:!this.text}if(e){throw new u["a"]("ui-template-wrong-syntax",this)}if(this.text){return this._renderText(t)}else{return this._renderElement(t)}}_renderElement(t){let e=t.node;if(!e){e=t.node=document.createElementNS(this.ns||xk,this.tag)}this._renderAttributes(t);this._renderElementChildren(t);this._setUpListeners(t);return 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e=t.node;const n=t.intoFragment?document.createDocumentFragment():e;const o=t.isApplying;let i=0;for(const r of this.children){if(Jk(r)){if(!o){r.setParent(e);for(const t of r){n.appendChild(t.element)}}}else if(Uk(r)){if(!o){if(!r.isRendered){r.render()}n.appendChild(r.element)}}else if(Yd(r)){n.appendChild(r)}else{if(o){const e=t.revertData;const o=Yk();e.children.push(o);r._renderNode({node:n.childNodes[i++],isApplying:true,revertData:o})}else{n.appendChild(r.render())}}}if(t.intoFragment){e.appendChild(n)}}_setUpListeners(t){if(!this.eventListeners){return}for(const e in this.eventListeners){const n=this.eventListeners[e].map((n=>{const[o,i]=e.split("@");return n.activateDomEventListener(o,i,t)}));if(t.revertData){t.revertData.bindings.push(n)}}}_bindToObservable({schema:t,updater:e,data:n}){const o=n.revertData;Ik(t,e,n);const 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o=this.bindTemplate;this.buttonView=e;this.panelView=n;this.set("isOpen",false);this.set("isEnabled",true);this.set("class");this.set("id");this.set("panelPosition","auto");this.keystrokes=new gf;this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",o.to("class"),o.if("isEnabled","ck-disabled",(t=>!t))],id:o.to("id"),"aria-describedby":o.to("ariaDescribedById")},children:[e,n]});e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render();this.listenTo(this.buttonView,"open",(()=>{this.isOpen=!this.isOpen}));this.panelView.bind("isVisible").to(this,"isOpen");this.on("change:isOpen",(()=>{if(!this.isOpen){return}if(this.panelPosition==="auto"){this.panelView.position=Qw._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:true,positions:this._panelPositions}).name}else{this.panelView.position=this.panelPosition}}));this.keystrokes.listenTo(this.element);const t=(t,e)=>{if(this.isOpen){this.buttonView.focus();this.isOpen=false;e()}};this.keystrokes.set("arrowdown",((t,e)=>{if(this.buttonView.isEnabled&&!this.isOpen){this.isOpen=true;e()}}));this.keystrokes.set("arrowright",((t,e)=>{if(this.isOpen){e()}}));this.keystrokes.set("arrowleft",t);this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{south:t,north:e,southEast:n,southWest:o,northEast:i,northWest:r,southMiddleEast:s,southMiddleWest:a,northMiddleEast:c,northMiddleWest:l}=Qw.defaultPanelPositions;if(this.locale.uiLanguageDirection!=="rtl"){return[n,o,s,a,t,i,r,c,l,e]}else{return[o,n,a,s,t,r,i,l,c,e]}}}Qw.defaultPanelPositions={south:(t,e)=>({top:t.bottom,left:t.left-(e.width-t.width)/2,name:"s"}),southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),southMiddleEast:(t,e)=>({top:t.bottom,left:t.left-(e.width-t.width)/4,name:"sme"}),southMiddleWest:(t,e)=>({top:t.bottom,left:t.left-(e.width-t.width)*3/4,name:"smw"}),north:(t,e)=>({top:t.top-e.height,left:t.left-(e.width-t.width)/2,name:"n"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.top-e.height,left:t.left-e.width+t.width,name:"nw"}),northMiddleEast:(t,e)=>({top:t.top-e.height,left:t.left-(e.width-t.width)/4,name:"nme"}),northMiddleWest:(t,e)=>({top:t.top-e.height,left:t.left-(e.width-t.width)*3/4,name:"nmw"})};Qw._getOptimalPosition=jw;class Xw extends yk{constructor(t){super(t);this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class Zw extends yk{constructor(t){super(t);this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__line-break"]}})}}function tC(t){return t.bindTemplate.to((e=>{if(e.target===t.element){e.preventDefault()}}))}function eC(t){if(Array.isArray(t)){return{items:t,removeItems:[]}}if(!t){return{items:[],removeItems:[]}}return Object.assign({items:[],removeItems:[]},t)}var nC=n(20);var oC={injectType:"singletonStyleTag",attributes:{"data-cke":true}};oC.insert="head";oC.singleton=true;var iC=wk()(nC["a"],oC);var rC=nC["a"].locals||{};class sC extends yk{constructor(t,e){super(t);const n=this.bindTemplate;const o=this.t;this.options=e||{};this.set("ariaLabel",o("Editor toolbar"));this.set("maxWidth","auto");this.items=this.createCollection();this.focusTracker=new mf;this.keystrokes=new gf;this.set("class");this.set("isCompact",false);this.itemsView=new aC(t);this.children=this.createCollection();this.children.add(this.itemsView);this.focusables=this.createCollection();this._focusCycler=new yw({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}});const i=["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")];if(this.options.shouldGroupWhenFull&&this.options.isFloating){i.push("ck-toolbar_floating")}this.setTemplate({tag:"div",attributes:{class:i,role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")}},children:this.children,on:{mousedown:tC(this)}});this._behavior=this.options.shouldGroupWhenFull?new lC(this):new cC(this)}render(){super.render();for(const t of this.items){this.focusTracker.add(t.element)}this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)}));this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)}));this.keystrokes.listenTo(this.element);this._behavior.render(this)}destroy(){this._behavior.destroy();return super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){const n=eC(t);const o=n.items.filter(((t,o,i)=>{if(t==="|"){return true}if(n.removeItems.indexOf(t)!==-1){return false}if(t==="-"){if(this.options.shouldGroupWhenFull){Object(u["b"])("toolbarview-line-break-ignored-when-grouping-items",i);return false}return true}if(!e.has(t)){Object(u["b"])("toolbarview-item-unavailable",{name:t});return false}return true}));const i=this._cleanSeparators(o).map((t=>{if(t==="|"){return new Xw}else if(t==="-"){return new Zw}return e.create(t)}));this.items.addMany(i)}_cleanSeparators(t){const e=t=>t!=="-"&&t!=="|";const n=t.length;const o=t.findIndex(e);const i=n-t.slice().reverse().findIndex(e);return t.slice(o,i).filter(((t,n,o)=>{if(e(t)){return true}const i=n>0&&o[n-1]===t;return!i}))}}class aC extends yk{constructor(t){super(t);this.children=this.createCollection();this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class cC{constructor(t){const e=t.bindTemplate;t.set("isVertical",false);t.itemsView.children.bindTo(t.items).using((t=>t));t.focusables.bindTo(t.items).using((t=>t));t.extendTemplate({attributes:{class:[e.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class lC{constructor(t){this.view=t;this.viewChildren=t.children;this.viewFocusables=t.focusables;this.viewItemsView=t.itemsView;this.viewFocusTracker=t.focusTracker;this.viewLocale=t.locale;this.ungroupedItems=t.createCollection();this.groupedItems=t.createCollection();this.groupedItemsDropdown=this._createGroupedItemsDropdown();this.resizeObserver=null;this.cachedPadding=null;this.shouldUpdateGroupingOnNextResize=false;t.itemsView.children.bindTo(this.ungroupedItems).using((t=>t));this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this));this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this));t.children.on("add",this._updateFocusCycleableItems.bind(this));t.children.on("remove",this._updateFocusCycleableItems.bind(this));t.items.on("change",((t,e)=>{const n=e.index;for(const t of e.removed){if(n>=this.ungroupedItems.length){this.groupedItems.remove(t)}else{this.ungroupedItems.remove(t)}}for(let t=n;tthis.ungroupedItems.length){this.groupedItems.add(o,t-this.ungroupedItems.length)}else{this.ungroupedItems.add(o,t)}}this._updateGrouping()}));t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element;this._enableGroupingOnResize();this._enableGroupingOnMaxWidthChange(t)}destroy(){this.groupedItemsDropdown.destroy();this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement)){return}if(!this.viewElement.offsetParent){this.shouldUpdateGroupingOnNextResize=true;return}const t=this.groupedItems.length;let e;while(this._areItemsOverflowing){this._groupLastItem();e=true}if(!e&&this.groupedItems.length){while(this.groupedItems.length&&!this._areItemsOverflowing){this._ungroupFirstItem()}if(this._areItemsOverflowing){this._groupLastItem()}}if(this.groupedItems.length!==t){this.view.fire("groupedItemsUpdate")}}get _areItemsOverflowing(){if(!this.ungroupedItems.length){return false}const t=this.viewElement;const e=this.viewLocale.uiLanguageDirection;const n=new rf(t.lastChild);const o=new rf(t);if(!this.cachedPadding){const n=ru.window.getComputedStyle(t);const o=e==="ltr"?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[o])}if(e==="ltr"){return n.right>o.right-this.cachedPadding}else{return n.left{if(!t||t!==e.contentRect.width||this.shouldUpdateGroupingOnNextResize){this.shouldUpdateGroupingOnNextResize=false;this._updateGrouping();t=e.contentRect.width}}));this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on("change:maxWidth",(()=>{this._updateGrouping()}))}_groupLastItem(){if(!this.groupedItems.length){this.viewChildren.add(new Xw);this.viewChildren.add(this.groupedItemsDropdown);this.viewFocusTracker.add(this.groupedItemsDropdown.element)}this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first));if(!this.groupedItems.length){this.viewChildren.remove(this.groupedItemsDropdown);this.viewChildren.remove(this.viewChildren.last);this.viewFocusTracker.remove(this.groupedItemsDropdown.element)}}_createGroupedItemsDropdown(){const t=this.viewLocale;const e=t.t;const n=xC(t);n.class="ck-toolbar__grouped-dropdown";n.panelPosition=t.uiLanguageDirection==="ltr"?"sw":"se";EC(n,[]);n.buttonView.set({label:e("Show more items"),tooltip:true,tooltipPosition:t.uiLanguageDirection==="rtl"?"se":"sw",icon:hk.threeVerticalDots});n.toolbarView.items.bindTo(this.groupedItems).using((t=>t));return n}_updateFocusCycleableItems(){this.viewFocusables.clear();this.ungroupedItems.map((t=>{this.viewFocusables.add(t)}));if(this.groupedItems.length){this.viewFocusables.add(this.groupedItemsDropdown)}}}var dC=n(21);var uC={injectType:"singletonStyleTag",attributes:{"data-cke":true}};uC.insert="head";uC.singleton=true;var hC=wk()(dC["a"],uC);var fC=dC["a"].locals||{};class mC extends yk{constructor(){super();this.items=this.createCollection();this.focusTracker=new mf;this.keystrokes=new gf;this._focusCycler=new yw({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}});this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const t of this.items){this.focusTracker.add(t.element)}this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)}));this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)}));this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class gC extends yk{constructor(t){super(t);this.children=this.createCollection();this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class pC extends yk{constructor(t){super(t);this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}var bC=n(22);var kC={injectType:"singletonStyleTag",attributes:{"data-cke":true}};kC.insert="head";kC.singleton=true;var wC=wk()(bC["a"],kC);var CC=bC["a"].locals||{};var AC=n(23);var _C={injectType:"singletonStyleTag",attributes:{"data-cke":true}};_C.insert="head";_C.singleton=true;var vC=wk()(AC["a"],_C);var yC=AC["a"].locals||{};function xC(t,e=Iw){const n=new e(t);const o=new Mw(t);const i=new Qw(t,n,o);n.bind("isEnabled").to(i);if(n instanceof Iw){n.bind("isOn").to(i,"isOpen")}else{n.arrowView.bind("isOn").to(i,"isOpen")}SC(i);return i}function EC(t,e){const n=t.locale;const o=n.t;const i=t.toolbarView=new sC(n);i.set("ariaLabel",o("Dropdown toolbar"));t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}});e.map((t=>i.items.add(t)));t.panelView.children.add(i);i.items.delegate("execute").to(t)}function DC(t,e){const n=t.locale;const o=t.listView=new mC(n);o.items.bindTo(e).using((({type:t,model:e})=>{if(t==="separator"){return new pC(n)}else if(t==="button"||t==="switchbutton"){const o=new gC(n);let i;if(t==="button"){i=new fw(n)}else{i=new kw(n)}i.bind(...Object.keys(e)).to(e);i.delegate("execute").to(o);o.children.add(i);return o}}));t.panelView.children.add(o);o.items.delegate("execute").to(t)}function SC(t){BC(t);TC(t);PC(t)}function BC(t){t.on("render",(()=>{fk({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=false},contextElements:[t.element]})}))}function TC(t){t.on("execute",(e=>{if(e.source instanceof kw){return}t.isOpen=false}))}function PC(t){t.keystrokes.set("arrowdown",((e,n)=>{if(t.isOpen){t.panelView.focus();n()}}));t.keystrokes.set("arrowup",((e,n)=>{if(t.isOpen){t.panelView.focusLast();n()}}))}var IC=n(24);var RC={injectType:"singletonStyleTag",attributes:{"data-cke":true}};RC.insert="head";RC.singleton=true;var FC=wk()(IC["a"],RC);var zC=IC["a"].locals||{};class OC extends yk{constructor(t){super(t);this.body=new Xk(t)}render(){super.render();this.body.attachToDom()}destroy(){this.body.detachFromDom();return super.destroy()}}var NC=n(25);var MC={injectType:"singletonStyleTag",attributes:{"data-cke":true}};MC.insert="head";MC.singleton=true;var VC=wk()(NC["a"],MC);var LC=NC["a"].locals||{};class HC extends yk{constructor(t){super(t);this.set("text");this.set("for");this.id=`ck-editor__label_${a()}`;const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:e.to("for")},children:[{text:e.to("text")}]})}}class KC extends OC{constructor(t){super(t);this.top=this.createCollection();this.main=this.createCollection();this._voiceLabelView=this._createVoiceLabel();this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-editor","ck-rounded-corners"],role:"application",dir:t.uiLanguageDirection,lang:t.uiLanguage,"aria-labelledby":this._voiceLabelView.id},children:[this._voiceLabelView,{tag:"div",attributes:{class:["ck","ck-editor__top","ck-reset_all"],role:"presentation"},children:this.top},{tag:"div",attributes:{class:["ck","ck-editor__main"],role:"presentation"},children:this.main}]})}_createVoiceLabel(){const t=this.t;const e=new HC;e.text=t("Rich Text Editor");e.extendTemplate({attributes:{class:"ck-voice-label"}});return e}}class qC extends yk{constructor(t,e,n){super(t);this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}});this.name=null;this.set("isFocused",false);this._editableElement=n;this._hasExternalElement=!!this._editableElement;this._editingView=e}render(){super.render();if(this._hasExternalElement){this.template.apply(this.element=this._editableElement)}else{this._editableElement=this.element}this.on("change:isFocused",(()=>this._updateIsFocusedClasses()));this._updateIsFocusedClasses()}destroy(){if(this._hasExternalElement){this.template.revert(this._editableElement)}super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;if(t.isRenderingInProgress){n(this)}else{e(this)}function e(e){t.change((n=>{const o=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",o);n.removeClass(e.isFocused?"ck-blurred":"ck-focused",o)}))}function n(o){t.once("change:isRenderingInProgress",((t,i,r)=>{if(!r){e(o)}else{n(o)}}))}}}class jC extends qC{constructor(t,e,n){super(t,e,n);this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView;const e=this.t;t.change((n=>{const o=t.document.getRoot(this.name);n.setAttribute("aria-label",e("Rich Text Editor, %0",this.name),o)}))}}var WC=n(26);var GC={injectType:"singletonStyleTag",attributes:{"data-cke":true}};GC.insert="head";GC.singleton=true;var UC=wk()(WC["a"],GC);var $C=WC["a"].locals||{};class JC extends yk{constructor(t,e={}){super(t);const n=this.bindTemplate;this.set("label",e.label||"");this.set("class",e.class||null);this.children=this.createCollection();this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__header",n.to("class")]},children:this.children});const o=new yk(t);o.setTemplate({tag:"span",attributes:{class:["ck","ck-form__header__label"]},children:[{text:n.to("label")}]});this.children.add(o)}}var YC=n(27);var QC={injectType:"singletonStyleTag",attributes:{"data-cke":true}};QC.insert="head";QC.singleton=true;var XC=wk()(YC["a"],QC);var ZC=YC["a"].locals||{};class tA extends yk{constructor(t){super(t);this.set("value");this.set("id");this.set("placeholder");this.set("isReadOnly",false);this.set("hasError",false);this.set("ariaDescribedById");this.focusTracker=new mf;this.bind("isFocused").to(this.focusTracker);this.set("isEmpty",true);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("isFocused","ck-input_focused"),e.if("isEmpty","ck-input-text_empty"),e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",true),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input"),change:e.to(this._updateIsEmpty.bind(this))}})}render(){super.render();this.focusTracker.add(this.element);this._setDomElementValue(this.value);this._updateIsEmpty();this.on("change:value",((t,e,n)=>{this._setDomElementValue(n);this._updateIsEmpty()}))}select(){this.element.select()}focus(){this.element.focus()}_updateIsEmpty(){this.isEmpty=eA(this.element)}_setDomElementValue(t){this.element.value=!t&&t!==0?"":t}}function eA(t){return!t.value}var nA=n(28);var oA={injectType:"singletonStyleTag",attributes:{"data-cke":true}};oA.insert="head";oA.singleton=true;var iA=wk()(nA["a"],oA);var rA=nA["a"].locals||{};class sA extends yk{constructor(t,e){super(t);const n=`ck-labeled-field-view-${a()}`;const o=`ck-labeled-field-view-status-${a()}`;this.fieldView=e(this,n,o);this.set("label");this.set("isEnabled",true);this.set("isEmpty",true);this.set("isFocused",false);this.set("errorText",null);this.set("infoText",null);this.set("class");this.set("placeholder");this.labelView=this._createLabelView(n);this.statusView=this._createStatusView(o);this.bind("_statusText").to(this,"errorText",this,"infoText",((t,e)=>t||e));const i=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",i.to("class"),i.if("isEnabled","ck-disabled",(t=>!t)),i.if("isEmpty","ck-labeled-field-view_empty"),i.if("isFocused","ck-labeled-field-view_focused"),i.if("placeholder","ck-labeled-field-view_placeholder"),i.if("errorText","ck-error")]},children:[{tag:"div",attributes:{class:["ck","ck-labeled-field-view__input-wrapper"]},children:[this.fieldView,this.labelView]},this.statusView]})}_createLabelView(t){const e=new HC(this.locale);e.for=t;e.bind("text").to(this,"label");return e}_createStatusView(t){const e=new yk(this.locale);const n=this.bindTemplate;e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",n.if("errorText","ck-labeled-field-view__status_error"),n.if("_statusText","ck-hidden",(t=>!t))],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]});return e}focus(){this.fieldView.focus()}}function aA(t,e,n){const o=new tA(t.locale);o.set({id:e,ariaDescribedById:n});o.bind("isReadOnly").to(t,"isEnabled",(t=>!t));o.bind("hasError").to(t,"errorText",(t=>!!t));o.on("input",(()=>{t.errorText=null}));t.bind("isEmpty","isFocused","placeholder").to(o);return o}function cA(t,e,n){const o=xC(t.locale);o.set({id:e,ariaDescribedById:n});o.bind("isEnabled").to(t);return o}class lA extends Pa{static get pluginName(){return"Notification"}init(){this.on("show:warning",((t,e)=>{window.alert(e.message)}),{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class dA{constructor(t,e){if(e){vn(this,e)}if(t){this.set(t)}}}Hn(dA,Tn);var uA=n(29);var hA={injectType:"singletonStyleTag",attributes:{"data-cke":true}};hA.insert="head";hA.singleton=true;var fA=wk()(uA["a"],hA);var mA=uA["a"].locals||{};const gA=hf("px");const pA=ru.document.body;class bA extends yk{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0);this.set("left",0);this.set("position","arrow_nw");this.set("isVisible",false);this.set("withArrow",true);this.set("class");this.content=this.createCollection();this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",(t=>`ck-balloon-panel_${t}`)),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",gA),left:e.to("left",gA)}},children:this.content})}show(){this.isVisible=true}hide(){this.isVisible=false}attachTo(t){this.show();const e=bA.defaultPositions;const n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthMiddleWest,e.southArrowNorthMiddleEast,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthMiddleWest,e.northArrowSouthMiddleEast,e.northArrowSouthWest,e.northArrowSouthEast],limiter:pA,fitInViewport:true},t);const o=bA._getOptimalPosition(n);const i=parseInt(o.left);const r=parseInt(o.top);const s=o.name;Object.assign(this,{top:r,left:i,position:s})}pin(t){this.unpin();this._pinWhenIsVisibleCallback=()=>{if(this.isVisible){this._startPinning(t)}else{this._stopPinning()}};this._startPinning(t);this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){if(this._pinWhenIsVisibleCallback){this._stopPinning();this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback);this._pinWhenIsVisibleCallback=null;this.hide()}}_startPinning(t){this.attachTo(t);const e=kA(t.target);const n=t.limiter?kA(t.limiter):pA;this.listenTo(ru.document,"scroll",((o,i)=>{const r=i.target;const s=e&&r.contains(e);const a=n&&r.contains(n);if(s||a||!e||!n){this.attachTo(t)}}),{useCapture:true});this.listenTo(ru.window,"resize",(()=>{this.attachTo(t)}))}_stopPinning(){this.stopListening(ru.document,"scroll");this.stopListening(ru.window,"resize")}}function kA(t){if(fa(t)){return t}if(ef(t)){return t.commonAncestorContainer}if(typeof t=="function"){return kA(t())}return null}bA.arrowHorizontalOffset=25;bA.arrowVerticalOffset=10;bA._getOptimalPosition=jw;bA.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:wA(t,e),left:t.left-bA.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:wA(t,e),left:t.left-e.width*.25-bA.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:wA(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:wA(t,e),left:t.left-e.width*.75+bA.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:wA(t,e),left:t.left-e.width+bA.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:wA(t,e),left:t.left+t.width/2-bA.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:wA(t,e),left:t.left+t.width/2-e.width*.25-bA.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:wA(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:wA(t,e),left:t.left+t.width/2-e.width*.75+bA.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:wA(t,e),left:t.left+t.width/2-e.width+bA.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:wA(t,e),left:t.right-bA.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:wA(t,e),left:t.right-e.width*.25-bA.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:wA(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:wA(t,e),left:t.right-e.width*.75+bA.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:wA(t,e),left:t.right-e.width+bA.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:CA(t,e),left:t.left-bA.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:CA(t,e),left:t.left-e.width*.25-bA.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:CA(t,e),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:CA(t,e),left:t.left-e.width*.75+bA.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:CA(t,e),left:t.left-e.width+bA.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:CA(t,e),left:t.left+t.width/2-bA.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:CA(t,e),left:t.left+t.width/2-e.width*.25-bA.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:CA(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:CA(t,e),left:t.left+t.width/2-e.width*.75+bA.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:CA(t,e),left:t.left+t.width/2-e.width+bA.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:CA(t,e),left:t.right-bA.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:CA(t,e),left:t.right-e.width*.25-bA.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:CA(t,e),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:CA(t,e),left:t.right-e.width*.75+bA.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:CA(t,e),left:t.right-e.width+bA.arrowHorizontalOffset,name:"arrow_ne"})};function wA(t,e){return t.top-e.height-bA.arrowVerticalOffset}function CA(t){return t.bottom+bA.arrowVerticalOffset}var AA=' ';var _A=' ';var vA=n(30);var yA={injectType:"singletonStyleTag",attributes:{"data-cke":true}};yA.insert="head";yA.singleton=true;var xA=wk()(vA["a"],yA);var EA=vA["a"].locals||{};var DA=n(31);var SA={injectType:"singletonStyleTag",attributes:{"data-cke":true}};SA.insert="head";SA.singleton=true;var BA=wk()(DA["a"],SA);var TA=DA["a"].locals||{};const PA=hf("px");class IA extends Kn{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t);this.positionLimiter=()=>{const t=this.editor.editing.view;const e=t.document;const n=e.selection.editableElement;if(n){return t.domConverter.mapViewToDom(n.root)}return null};this.set("visibleView",null);this.view=new bA(t.locale);t.ui.view.body.add(this.view);t.ui.focusTracker.add(this.view.element);this._viewToStack=new Map;this._idToStack=new Map;this.set("_numberOfStacks",0);this.set("_singleViewMode",false);this._rotatorView=this._createRotatorView();this._fakePanelsView=this._createFakePanelsView()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view)){throw new u["a"]("contextualballoon-add-view-exist",[this,t])}const e=t.stackId||"main";if(!this._idToStack.has(e)){this._idToStack.set(e,new Map([[t.view,t]]));this._viewToStack.set(t.view,this._idToStack.get(e));this._numberOfStacks=this._idToStack.size;if(!this._visibleStack||t.singleViewMode){this.showStack(e)}return}const n=this._idToStack.get(e);if(t.singleViewMode){this.showStack(e)}n.set(t.view,t);this._viewToStack.set(t.view,n);if(n===this._visibleStack){this._showView(t)}}remove(t){if(!this.hasView(t)){throw new u["a"]("contextualballoon-remove-view-not-exist",[this,t])}const e=this._viewToStack.get(t);if(this._singleViewMode&&this.visibleView===t){this._singleViewMode=false}if(this.visibleView===t){if(e.size===1){if(this._idToStack.size>1){this._showNextStack()}else{this.view.hide();this.visibleView=null;this._rotatorView.hideView()}}else{this._showView(Array.from(e.values())[e.size-2])}}if(e.size===1){this._idToStack.delete(this._getStackId(e));this._numberOfStacks=this._idToStack.size}else{e.delete(t)}this._viewToStack.delete(t)}updatePosition(t){if(t){this._visibleStack.get(this.visibleView).position=t}this.view.pin(this._getBalloonPosition());this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e){throw new u["a"]("contextualballoon-showstack-stack-not-exist",this)}if(this._visibleStack===e){return}this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){const e=Array.from(this._idToStack.entries()).find((e=>e[1]===t));return e[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;if(!t[e]){e=0}this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;if(!t[e]){e=t.length-1}this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new RA(this.editor.locale);const e=this.editor.locale.t;this.view.content.add(t);t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",((t,e)=>!e&&t>1));t.on("change:isNavigationVisible",(()=>this.updatePosition()),{priority:"low"});t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",((t,n)=>{if(n<2){return""}const o=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("%0 of %1",[o,n])}));t.buttonNextView.on("execute",(()=>{if(t.focusTracker.isFocused){this.editor.editing.view.focus()}this._showNextStack()}));t.buttonPrevView.on("execute",(()=>{if(t.focusTracker.isFocused){this.editor.editing.view.focus()}this._showPrevStack()}));return t}_createFakePanelsView(){const t=new FA(this.editor.locale,this.view);t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",((t,e)=>{const n=!e&&t>=2;return n?Math.min(t-1,2):0}));t.listenTo(this.view,"change:top",(()=>t.updatePosition()));t.listenTo(this.view,"change:left",(()=>t.updatePosition()));this.editor.ui.view.body.add(t);return t}_showView({view:t,balloonClassName:e="",withArrow:n=true,singleViewMode:o=false}){this.view.class=e;this.view.withArrow=n;this._rotatorView.showView(t);this.visibleView=t;this.view.pin(this._getBalloonPosition());this._fakePanelsView.updatePosition();if(o){this._singleViewMode=true}}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;if(t&&!t.limiter){t=Object.assign({},t,{limiter:this.positionLimiter})}return t}}class RA extends yk{constructor(t){super(t);const e=t.t;const n=this.bindTemplate;this.set("isNavigationVisible",true);this.focusTracker=new mf;this.buttonPrevView=this._createButtonView(e("Previous"),AA);this.buttonNextView=this._createButtonView(e("Next"),_A);this.content=this.createCollection();this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",(t=>t?"":"ck-hidden"))]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render();this.focusTracker.add(this.element)}showView(t){this.hideView();this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new fw(this.locale);n.set({label:t,icon:e,tooltip:true});return n}}class FA extends yk{constructor(t,e){super(t);const n=this.bindTemplate;this.set("top",0);this.set("left",0);this.set("height",0);this.set("width",0);this.set("numberOfPanels",0);this.content=this.createCollection();this._balloonPanelView=e;this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",(t=>t?"":"ck-hidden"))],style:{top:n.to("top",PA),left:n.to("left",PA),width:n.to("width",PA),height:n.to("height",PA)}},children:this.content});this.on("change:numberOfPanels",((t,e,n,o)=>{if(n>o){this._addPanels(n-o)}else{this._removePanels(o-n)}this.updatePosition()}))}_addPanels(t){while(t--){const t=new yk;t.setTemplate({tag:"div"});this.content.add(t);this.registerChild(t)}}_removePanels(t){while(t--){const t=this.content.last;this.content.remove(t);this.deregisterChild(t);t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView;const{width:n,height:o}=new rf(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:o})}}}var zA=n(32);var OA={injectType:"singletonStyleTag",attributes:{"data-cke":true}};OA.insert="head";OA.singleton=true;var NA=wk()(zA["a"],OA);var MA=zA["a"].locals||{};const VA=hf("px");class LA extends yk{constructor(t){super(t);const e=this.bindTemplate;this.set("isActive",false);this.set("isSticky",false);this.set("limiterElement",null);this.set("limiterBottomOffset",50);this.set("viewportTopOffset",0);this.set("_marginLeft",null);this.set("_isStickyToTheLimiter",false);this.set("_hasViewportTopOffset",false);this.content=this.createCollection();this._contentPanelPlaceholder=new Ek({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:e.to("isSticky",(t=>t?"block":"none")),height:e.to("isSticky",(t=>t?VA(this._panelRect.height):null))}}}).render();this._contentPanel=new Ek({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",e.if("isSticky","ck-sticky-panel__content_sticky"),e.if("_isStickyToTheLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:e.to("isSticky",(t=>t?VA(this._contentPanelPlaceholder.getBoundingClientRect().width):null)),top:e.to("_hasViewportTopOffset",(t=>t?VA(this.viewportTopOffset):null)),bottom:e.to("_isStickyToTheLimiter",(t=>t?VA(this.limiterBottomOffset):null)),marginLeft:e.to("_marginLeft")}},children:this.content}).render();this.setTemplate({tag:"div",attributes:{class:["ck","ck-sticky-panel"]},children:[this._contentPanelPlaceholder,this._contentPanel]})}render(){super.render();this._checkIfShouldBeSticky();this.listenTo(ru.window,"scroll",(()=>{this._checkIfShouldBeSticky()}));this.listenTo(this,"change:isActive",(()=>{this._checkIfShouldBeSticky()}))}_checkIfShouldBeSticky(){const t=this._panelRect=this._contentPanel.getBoundingClientRect();let e;if(!this.limiterElement){this.isSticky=false}else{e=this._limiterRect=this.limiterElement.getBoundingClientRect();this.isSticky=this.isActive&&e.top{if(n.isFocused&&!o.focusTracker.isFocused){if(i){i()}o.focus();e()}}));o.keystrokes.set("Esc",((e,n)=>{if(o.focusTracker.isFocused){t.focus();if(r){r()}n()}}))}const KA=hf("px");class qA extends Kn{static get pluginName(){return"BalloonToolbar"}static get requires(){return[IA]}constructor(t){super(t);this._balloonConfig=eC(t.config.get("balloonToolbar"));this.toolbarView=this._createToolbarView();this.focusTracker=new mf;t.ui.once("ready",(()=>{this.focusTracker.add(t.ui.getEditableElement());this.focusTracker.add(this.toolbarView.element)}));this._resizeObserver=null;this._balloon=t.plugins.get(IA);this._fireSelectionChangeDebounced=qh((()=>this.fire("_selectionChangeDebounced")),200);this.decorate("show")}init(){const t=this.editor;const e=t.model.document.selection;this.listenTo(this.focusTracker,"change:isFocused",((t,e,n)=>{const o=this._balloon.visibleView===this.toolbarView;if(!n&&o){this.hide()}else if(n){this.show()}}));this.listenTo(e,"change:range",((t,n)=>{if(n.directChange||e.isCollapsed){this.hide()}this._fireSelectionChangeDebounced()}));this.listenTo(this,"_selectionChangeDebounced",(()=>{if(this.editor.editing.view.document.isFocused){this.show()}}));if(!this._balloonConfig.shouldNotGroupWhenFull){this.listenTo(t,"ready",(()=>{const e=t.ui.view.editable.element;this._resizeObserver=new lf(e,(()=>{this.toolbarView.maxWidth=KA(new rf(e).width*.9)}))}))}this.listenTo(this.toolbarView,"groupedItemsUpdate",(()=>{this._updatePosition()}))}afterInit(){const t=this.editor.ui.componentFactory;this.toolbarView.fillFromConfig(this._balloonConfig,t)}_createToolbarView(){const t=!this._balloonConfig.shouldNotGroupWhenFull;const e=new sC(this.editor.locale,{shouldGroupWhenFull:t,isFloating:true});e.render();return e}show(){const t=this.editor;const e=t.model.document.selection;const n=t.model.schema;if(this._balloon.hasView(this.toolbarView)){return}if(e.isCollapsed){return}if(WA(e,n)){return}if(Array.from(this.toolbarView.items).every((t=>t.isEnabled!==undefined&&!t.isEnabled))){return}this.listenTo(this.editor.ui,"update",(()=>{this._updatePosition()}));this._balloon.add({view:this.toolbarView,position:this._getBalloonPositionData(),balloonClassName:"ck-toolbar-container"})}hide(){if(this._balloon.hasView(this.toolbarView)){this.stopListening(this.editor.ui,"update");this._balloon.remove(this.toolbarView)}}_getBalloonPositionData(){const t=this.editor;const e=t.editing.view;const n=e.document;const o=n.selection;const i=n.selection.isBackward;return{target:()=>{const t=i?o.getFirstRange():o.getLastRange();const n=rf.getDomRangeRects(e.domConverter.viewRangeToDom(t));if(i){return n[0]}else{if(n.length>1&&n[n.length-1].width===0){n.pop()}return n[n.length-1]}},positions:jA(i)}}_updatePosition(){this._balloon.updatePosition(this._getBalloonPositionData())}destroy(){super.destroy();this.stopListening();this._fireSelectionChangeDebounced.cancel();this.toolbarView.destroy();this.focusTracker.destroy();if(this._resizeObserver){this._resizeObserver.destroy()}}}function jA(t){const e=bA.defaultPositions;return t?[e.northWestArrowSouth,e.northWestArrowSouthWest,e.northWestArrowSouthEast,e.northWestArrowSouthMiddleEast,e.northWestArrowSouthMiddleWest,e.southWestArrowNorth,e.southWestArrowNorthWest,e.southWestArrowNorthEast,e.southWestArrowNorthMiddleWest,e.southWestArrowNorthMiddleEast]:[e.southEastArrowNorth,e.southEastArrowNorthEast,e.southEastArrowNorthWest,e.southEastArrowNorthMiddleEast,e.southEastArrowNorthMiddleWest,e.northEastArrowSouth,e.northEastArrowSouthEast,e.northEastArrowSouthWest,e.northEastArrowSouthMiddleEast,e.northEastArrowSouthMiddleWest]}function WA(t,e){if(t.rangeCount===1){return false}return[...t.getRanges()].every((t=>{const n=t.getContainedElement();return n&&e.isSelectable(n)}))}var GA=n(33);var UA={injectType:"singletonStyleTag",attributes:{"data-cke":true}};UA.insert="head";UA.singleton=true;var $A=wk()(GA["a"],UA);var JA=GA["a"].locals||{};const YA=hf("px");class QA extends fw{constructor(t){super(t);const e=this.bindTemplate;this.isVisible=false;this.isToggleable=true;this.set("top",0);this.set("left",0);this.extendTemplate({attributes:{class:"ck-block-toolbar-button",style:{top:e.to("top",(t=>YA(t))),left:e.to("left",(t=>YA(t)))}}})}}const XA=hf("px");class ZA extends Kn{static get pluginName(){return"BlockToolbar"}constructor(t){super(t);this._blockToolbarConfig=eC(this.editor.config.get("blockToolbar"));this.toolbarView=this._createToolbarView();this.panelView=this._createPanelView();this.buttonView=this._createButtonView();this._resizeObserver=null;fk({emitter:this.panelView,contextElements:[this.panelView.element,this.buttonView.element],activator:()=>this.panelView.isVisible,callback:()=>this._hidePanel()})}init(){const t=this.editor;this.listenTo(t.model.document.selection,"change:range",((t,e)=>{if(e.directChange){this._hidePanel()}}));this.listenTo(t.ui,"update",(()=>this._updateButton()));this.listenTo(t,"change:isReadOnly",(()=>this._updateButton()),{priority:"low"});this.listenTo(t.ui.focusTracker,"change:isFocused",(()=>this._updateButton()));this.listenTo(this.buttonView,"change:isVisible",((t,e,n)=>{if(n){this.buttonView.listenTo(window,"resize",(()=>this._updateButton()))}else{this.buttonView.stopListening(window,"resize");this._hidePanel()}}))}afterInit(){const t=this.editor.ui.componentFactory;const e=this._blockToolbarConfig;this.toolbarView.fillFromConfig(e,t);for(const t of this.toolbarView.items){t.on("execute",(()=>this._hidePanel(true)),{priority:"high"})}if(!e.shouldNotGroupWhenFull){this.listenTo(this.editor,"ready",(()=>{const t=this.editor.ui.view.editable.element;this._resizeObserver=new lf(t,(()=>{this.toolbarView.maxWidth=this._getToolbarMaxWidth()}))}))}}destroy(){super.destroy();this.panelView.destroy();this.buttonView.destroy();this.toolbarView.destroy();if(this._resizeObserver){this._resizeObserver.destroy()}}_createToolbarView(){const t=!this._blockToolbarConfig.shouldNotGroupWhenFull;const e=new sC(this.editor.locale,{shouldGroupWhenFull:t,isFloating:true});e.focusTracker.on("change:isFocused",((t,e,n)=>{if(!n){this._hidePanel()}}));return e}_createPanelView(){const t=this.editor;const e=new bA(t.locale);e.content.add(this.toolbarView);e.class="ck-toolbar-container";t.ui.view.body.add(e);t.ui.focusTracker.add(e.element);this.toolbarView.keystrokes.set("Esc",((t,e)=>{this._hidePanel(true);e()}));return e}_createButtonView(){const t=this.editor;const e=t.t;const n=new QA(t.locale);n.set({label:e("Edit block"),icon:hk.pilcrow,withText:false});n.bind("isOn").to(this.panelView,"isVisible");n.bind("tooltip").to(this.panelView,"isVisible",(t=>!t));this.listenTo(n,"execute",(()=>{if(!this.panelView.isVisible){this._showPanel()}else{this._hidePanel(true)}}));t.ui.view.body.add(n);t.ui.focusTracker.add(n.element);return n}_updateButton(){const t=this.editor;const e=t.model;const n=t.editing.view;if(!t.ui.focusTracker.isFocused){this._hideButton();return}if(t.isReadOnly){this._hideButton();return}const o=Array.from(e.document.selection.getSelectedBlocks())[0];if(!o||Array.from(this.toolbarView.items).every((t=>!t.isEnabled))){this._hideButton();return}const i=n.domConverter.mapViewToDom(t.editing.mapper.toViewElement(o));this.buttonView.isVisible=true;this._attachButtonToElement(i);if(this.panelView.isVisible){this._showPanel()}}_hideButton(){this.buttonView.isVisible=false}_showPanel(){const t=this.panelView.isVisible;this.panelView.show();this.toolbarView.maxWidth=this._getToolbarMaxWidth();this.panelView.pin({target:this.buttonView.element,limiter:this.editor.ui.getEditableElement()});if(!t){this.toolbarView.items.get(0).focus()}}_hidePanel(t){this.panelView.isVisible=false;if(t){this.editor.editing.view.focus()}}_attachButtonToElement(t){const e=window.getComputedStyle(t);const n=new rf(this.editor.ui.getEditableElement());const o=parseInt(e.paddingTop,10);const i=parseInt(e.lineHeight,10)||parseInt(e.fontSize,10)*1.2;const r=jw({element:this.buttonView.element,target:t,positions:[(t,e)=>{let r;if(this.editor.locale.uiLanguageDirection==="ltr"){r=n.left-e.width}else{r=n.right}return{top:t.top+o+(i-e.height)/2,left:r}}]});this.buttonView.top=r.top;this.buttonView.left=r.left}_getToolbarMaxWidth(){const t=this.editor.ui.view.editable.element;const e=new rf(t);const n=new rf(this.buttonView.element);const o=this.editor.locale.uiLanguageDirection==="rtl";const 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n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);t.howMany-=n;if(t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition){return[new Lp(0)]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){return[new Lp(0)]}if(n.abRelation=="splitBefore"){t.howMany=0;t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e);return[t]}}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const o=t.splitPosition.root.rootName=="$graveyard";const i=e.splitPosition.root.rootName=="$graveyard";const r=o&&!i;const s=i&&!o;const a=s||!r&&n.aIsStrong;if(a){const n=[];if(e.howMany){n.push(new up(e.moveTargetPosition,e.howMany,e.splitPosition,0))}if(t.howMany){n.push(new up(t.splitPosition,t.howMany,t.moveTargetPosition,0))}return n}else{return[new Lp(0)]}}if(t.graveyardPosition){t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)}if(t.splitPosition.isEqual(e.insertionPosition)&&n.abRelation=="splitBefore"){t.howMany++;return[t]}if(e.splitPosition.isEqual(t.insertionPosition)&&n.baRelation=="splitBefore"){const n=e.insertionPosition.path.slice();n.push(0);const o=new Mf(e.insertionPosition.root,n);const i=new up(t.insertionPosition,1,o,0);return[t,i]}if(t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset{const{top:n,right:o,bottom:i,left:r}=e;const s=[];if(![n,o,r,i].every((t=>!!t))){if(n){s.push([t+"-top",n])}if(o){s.push([t+"-right",o])}if(i){s.push([t+"-bottom",i])}if(r){s.push([t+"-left",r])}}else{s.push([t,X_(e)])}return s}}function X_({top:t,right:e,bottom:n,left:o}){const i=[];if(o!==e){i.push(t,e,n,o)}else if(n!==t){i.push(t,e,n)}else if(e!==t){i.push(t,e)}else{i.push(t)}return i.join(" ")}function Z_(t){return e=>({path:t,value:Y_(e)})}function tv(t){return t.replace(/, /g,",").split(" ").map((t=>t.replace(/,/g,", ")))}function ev(t){t.setNormalizer("background",nv);t.setNormalizer("background-color",(t=>({path:"background.color",value:t})));t.setReducer("background",(t=>{const e=[];e.push(["background-color",t.color]);return e}))}function nv(t){const e={};const n=tv(t);for(const t of n){if(q_(t)){e.repeat=e.repeat||[];e.repeat.push(t)}else if(W_(t)){e.position=e.position||[];e.position.push(t)}else if(U_(t)){e.attachment=t}else if(z_(t)){e.color=t}else if(J_(t)){e.image=t}}return{path:"background",value:e}}function ov(t){t.setNormalizer("border",iv);t.setNormalizer("border-top",rv("top"));t.setNormalizer("border-right",rv("right"));t.setNormalizer("border-bottom",rv("bottom"));t.setNormalizer("border-left",rv("left"));t.setNormalizer("border-color",sv("color"));t.setNormalizer("border-width",sv("width"));t.setNormalizer("border-style",sv("style"));t.setNormalizer("border-top-color",cv("color","top"));t.setNormalizer("border-top-style",cv("style","top"));t.setNormalizer("border-top-width",cv("width","top"));t.setNormalizer("border-right-color",cv("color","right"));t.setNormalizer("border-right-style",cv("style","right"));t.setNormalizer("border-right-width",cv("width","right"));t.setNormalizer("border-bottom-color",cv("color","bottom"));t.setNormalizer("border-bottom-style",cv("style","bottom"));t.setNormalizer("border-bottom-width",cv("width","bottom"));t.setNormalizer("border-left-color",cv("color","left"));t.setNormalizer("border-left-style",cv("style","left"));t.setNormalizer("border-left-width",cv("width","left"));t.setExtractor("border-top",lv("top"));t.setExtractor("border-right",lv("right"));t.setExtractor("border-bottom",lv("bottom"));t.setExtractor("border-left",lv("left"));t.setExtractor("border-top-color","border.color.top");t.setExtractor("border-right-color","border.color.right");t.setExtractor("border-bottom-color","border.color.bottom");t.setExtractor("border-left-color","border.color.left");t.setExtractor("border-top-width","border.width.top");t.setExtractor("border-right-width","border.width.right");t.setExtractor("border-bottom-width","border.width.bottom");t.setExtractor("border-left-width","border.width.left");t.setExtractor("border-top-style","border.style.top");t.setExtractor("border-right-style","border.style.right");t.setExtractor("border-bottom-style","border.style.bottom");t.setExtractor("border-left-style","border.style.left");t.setReducer("border-color",Q_("border-color"));t.setReducer("border-style",Q_("border-style"));t.setReducer("border-width",Q_("border-width"));t.setReducer("border-top",fv("top"));t.setReducer("border-right",fv("right"));t.setReducer("border-bottom",fv("bottom"));t.setReducer("border-left",fv("left"));t.setReducer("border",hv);t.setStyleRelation("border",["border-color","border-style","border-width","border-top","border-right","border-bottom","border-left","border-top-color","border-right-color","border-bottom-color","border-left-color","border-top-style","border-right-style","border-bottom-style","border-left-style","border-top-width","border-right-width","border-bottom-width","border-left-width"]);t.setStyleRelation("border-color",["border-top-color","border-right-color","border-bottom-color","border-left-color"]);t.setStyleRelation("border-style",["border-top-style","border-right-style","border-bottom-style","border-left-style"]);t.setStyleRelation("border-width",["border-top-width","border-right-width","border-bottom-width","border-left-width"]);t.setStyleRelation("border-top",["border-top-color","border-top-style","border-top-width"]);t.setStyleRelation("border-right",["border-right-color","border-right-style","border-right-width"]);t.setStyleRelation("border-bottom",["border-bottom-color","border-bottom-style","border-bottom-width"]);t.setStyleRelation("border-left",["border-left-color","border-left-style","border-left-width"])}function iv(t){const{color:e,style:n,width:o}=uv(t);return{path:"border",value:{color:Y_(e),style:Y_(n),width:Y_(o)}}}function rv(t){return e=>{const{color:n,style:o,width:i}=uv(e);const r={};if(n!==undefined){r.color={[t]:n}}if(o!==undefined){r.style={[t]:o}}if(i!==undefined){r.width={[t]:i}}return{path:"border",value:r}}}function sv(t){return e=>({path:"border",value:av(e,t)})}function av(t,e){return{[e]:Y_(t)}}function cv(t,e){return n=>({path:"border",value:{[t]:{[e]:n}}})}function lv(t){return(e,n)=>{if(n.border){return dv(n.border,t)}}}function dv(t,e){const n={};if(t.width&&t.width[e]){n.width=t.width[e]}if(t.style&&t.style[e]){n.style=t.style[e]}if(t.color&&t.color[e]){n.color=t.color[e]}return n}function uv(t){const e={};const n=tv(t);for(const t of n){if(V_(t)||/thin|medium|thick/.test(t)){e.width=t}else if(N_(t)){e.style=t}else{e.color=t}}return e}function hv(t){const e=[];e.push(...mv(dv(t,"top"),"top"));e.push(...mv(dv(t,"right"),"right"));e.push(...mv(dv(t,"bottom"),"bottom"));e.push(...mv(dv(t,"left"),"left"));return e}function fv(t){return e=>mv(e,t)}function mv(t,e){const n=[];if(t&&t.width!==undefined){n.push(t.width)}if(t&&t.style!==undefined){n.push(t.style)}if(t&&t.color!==undefined){n.push(t.color)}if(n.length){return[[`border-${e}`,n.join(" ")]]}return[]}function gv(t){t.setNormalizer("margin",Z_("margin"));t.setNormalizer("margin-top",(t=>({path:"margin.top",value:t})));t.setNormalizer("margin-right",(t=>({path:"margin.right",value:t})));t.setNormalizer("margin-bottom",(t=>({path:"margin.bottom",value:t})));t.setNormalizer("margin-left",(t=>({path:"margin.left",value:t})));t.setReducer("margin",Q_("margin"));t.setStyleRelation("margin",["margin-top","margin-right","margin-bottom","margin-left"])}function pv(t){t.setNormalizer("padding",Z_("padding"));t.setNormalizer("padding-top",(t=>({path:"padding.top",value:t})));t.setNormalizer("padding-right",(t=>({path:"padding.right",value:t})));t.setNormalizer("padding-bottom",(t=>({path:"padding.bottom",value:t})));t.setNormalizer("padding-left",(t=>({path:"padding.left",value:t})));t.setReducer("padding",Q_("padding"));t.setStyleRelation("padding",["padding-top","padding-right","padding-bottom","padding-left"])}class bv extends Rb{constructor(t,e){super(t);this.view=e;this._toolbarConfig=eC(t.config.get("toolbar"));this._elementReplacer=new Jh}get element(){return this.view.element}init(t){const e=this.editor;const n=this.view;const o=e.editing.view;const i=n.editable;const r=o.document.getRoot();i.name=r.rootName;n.render();const s=i.element;this.setEditableElement(i.name,s);this.focusTracker.add(s);n.editable.bind("isFocused").to(this.focusTracker);o.attachDomRoot(s);if(t){this._elementReplacer.replace(t,this.element)}this._initPlaceholder();this._initToolbar();this.fire("ready")}destroy(){const t=this.view;const e=this.editor.editing.view;this._elementReplacer.restore();e.detachDomRoot(t.editable.name);t.destroy();super.destroy()}_initToolbar(){const t=this.editor;const e=this.view;const n=t.editing.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused");e.stickyPanel.limiterElement=e.element;if(this._toolbarConfig.viewportTopOffset){e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset}e.toolbar.fillFromConfig(this._toolbarConfig,this.componentFactory);HA({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor;const e=t.editing.view;const n=e.document.getRoot();const o=t.sourceElement;const i=t.config.get("placeholder")||o&&o.tagName.toLowerCase()==="textarea"&&o.getAttribute("placeholder");if(i){r_({view:e,element:n,text:i,isDirectHost:false,keepOnFocus:true})}}}var kv=n(35);var wv={injectType:"singletonStyleTag",attributes:{"data-cke":true}};wv.insert="head";wv.singleton=true;var Cv=wk()(kv["a"],wv);var Av=kv["a"].locals||{};class _v extends KC{constructor(t,e,n={}){super(t);this.stickyPanel=new LA(t);this.toolbar=new sC(t,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull});this.editable=new jC(t,e)}render(){super.render();this.stickyPanel.content.add(this.toolbar);this.top.add(this.stickyPanel);this.main.add(this.editable)}}class vv extends Tb{constructor(t,e){super(e);if(fa(t)){this.sourceElement=t}this.model.document.createRoot();const n=!this.config.get("toolbar.shouldNotGroupWhenFull");const o=new _v(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:n});this.ui=new bv(this,o);Fb(this)}destroy(){if(this.sourceElement){this.updateSourceElement()}this.ui.destroy();return super.destroy()}static create(t,e={}){return new Promise((n=>{const o=new this(t,e);n(o.initPlugins().then((()=>o.ui.init(fa(t)?t:null))).then((()=>{if(!fa(t)&&e.initialData){throw new u["a"]("editor-create-initial-data",null)}const n=e.initialData||yv(t);return o.data.init(n)})).then((()=>o.fire("ready"))).then((()=>o)))}))}}Hn(vv,Ob);Hn(vv,Mb);function yv(t){return fa(t)?tf(t):t}const xv=["left","right","center","justify"];function Ev(t){return xv.includes(t)}function Dv(t,e){if(e.contentLanguageDirection=="rtl"){return t==="right"}else{return t==="left"}}function Sv(t){const e=t.map((t=>{let e;if(typeof t=="string"){e={name:t}}else{e=t}return e})).filter((t=>{const e=!!xv.includes(t.name);if(!e){Object(u["b"])("alignment-config-name-not-recognized",{option:t})}return e}));const n=e.filter((t=>!!t.className)).length;if(n&&n{const i=o.slice(n+1);const r=i.some((t=>t.name==e.name));if(r){throw new u["a"]("alignment-config-name-already-defined",{option:e,configuredOptions:t})}if(e.className){const n=i.some((t=>t.className==e.className));if(n){throw new u["a"]("alignment-config-classname-already-defined",{option:e,configuredOptions:t})}}}));return e}const Bv="alignment";class Tv extends jn{refresh(){const t=this.editor;const e=t.locale;const n=ff(this.editor.model.document.selection.getSelectedBlocks());this.isEnabled=!!n&&this._canBeAligned(n);if(this.isEnabled&&n.hasAttribute("alignment")){this.value=n.getAttribute("alignment")}else{this.value=e.contentLanguageDirection==="rtl"?"right":"left"}}execute(t={}){const e=this.editor;const n=e.locale;const o=e.model;const i=o.document;const r=t.value;o.change((t=>{const e=Array.from(i.selection.getSelectedBlocks()).filter((t=>this._canBeAligned(t)));const o=e[0].getAttribute("alignment");const s=Dv(r,n)||o===r||!r;if(s){Pv(e,t)}else{Iv(e,t,r)}}))}_canBeAligned(t){return this.editor.model.schema.checkAttribute(t,Bv)}}function Pv(t,e){for(const n of t){e.removeAttribute(Bv,n)}}function Iv(t,e,n){for(const o of t){e.setAttribute(Bv,n,o)}}class Rv extends Kn{static get pluginName(){return"AlignmentEditing"}constructor(t){super(t);t.config.define("alignment",{options:[...xv.map((t=>({name:t})))]})}init(){const t=this.editor;const e=t.locale;const n=t.model.schema;const o=Sv(t.config.get("alignment.options"));const i=o.filter((t=>Ev(t.name)&&!Dv(t.name,e)));const r=i.some((t=>!!t.className));n.extend("$block",{allowAttributes:"alignment"});t.model.schema.setAttributeProperties("alignment",{isFormatting:true});if(r){t.conversion.attributeToAttribute(Ov(i))}else{t.conversion.for("downcast").attributeToAttribute(Fv(i))}const s=zv(i);for(const e of s){t.conversion.for("upcast").attributeToAttribute(e)}t.commands.add("alignment",new Tv(t))}}function Fv(t){const e={model:{key:"alignment",values:t.map((t=>t.name))},view:{}};for(const{name:n}of t){e.view[n]={key:"style",value:{"text-align":n}}}return e}function zv(t){const e=[];for(const{name:n}of t){e.push({view:{key:"style",value:{"text-align":n}},model:{key:"alignment",value:n}})}return e}function Ov(t){const e={model:{key:"alignment",values:t.map((t=>t.name))},view:{}};for(const n of t){e.view[n.name]={key:"class",value:n.className}}return e}const Nv=new Map([["left",hk.alignLeft],["right",hk.alignRight],["center",hk.alignCenter],["justify",hk.alignJustify]]);class Mv extends Kn{get localizedOptionTitles(){const t=this.editor.t;return{left:t("Align left"),right:t("Align right"),center:t("Align center"),justify:t("Justify")}}static get pluginName(){return"AlignmentUI"}init(){const t=this.editor;const e=t.ui.componentFactory;const n=t.t;const o=Sv(t.config.get("alignment.options"));o.map((t=>t.name)).filter(Ev).forEach((t=>this._addButton(t)));e.add("alignment",(t=>{const i=xC(t);const r=o.map((t=>e.create(`alignment:${t.name}`)));EC(i,r);i.buttonView.set({label:n("Text alignment"),tooltip:true});i.toolbarView.isVertical=true;i.toolbarView.ariaLabel=n("Text alignment toolbar");i.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const s=t.contentLanguageDirection==="rtl"?Nv.get("right"):Nv.get("left");i.buttonView.bind("icon").toMany(r,"isOn",((...t)=>{const e=t.findIndex((t=>t));if(e<0){return s}return r[e].icon}));i.bind("isEnabled").toMany(r,"isEnabled",((...t)=>t.some((t=>t))));return i}))}_addButton(t){const e=this.editor;e.ui.componentFactory.add(`alignment:${t}`,(n=>{const o=e.commands.get("alignment");const i=new fw(n);i.set({label:this.localizedOptionTitles[t],icon:Nv.get(t),tooltip:true,isToggleable:true});i.bind("isEnabled").to(o);i.bind("isOn").to(o,"value",(e=>e===t));this.listenTo(i,"execute",(()=>{e.execute("alignment",{value:t});e.editing.view.focus()}));return i}))}}class Vv extends Kn{static get requires(){return[Rv,Mv]}static get pluginName(){return"Alignment"}}class Lv{constructor(t){this.files=Hv(t);this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}set effectAllowed(t){this._native.effectAllowed=t}get effectAllowed(){return this._native.effectAllowed}set dropEffect(t){this._native.dropEffect=t}get dropEffect(){return this._native.dropEffect}get isCanceled(){return this._native.dropEffect=="none"||!!this._native.mozUserCancelled}}function Hv(t){const e=t.files?Array.from(t.files):[];const n=t.items?Array.from(t.items):[];if(e.length){return e}return n.filter((t=>t.kind==="file")).map((t=>t.getAsFile()))}class Kv extends _h{constructor(t){super(t);const e=this.document;this.domEventType=["paste","copy","cut","drop","dragover","dragstart","dragend","dragenter","dragleave"];this.listenTo(e,"paste",n("clipboardInput"),{priority:"low"});this.listenTo(e,"drop",n("clipboardInput"),{priority:"low"});this.listenTo(e,"dragover",n("dragging"),{priority:"low"});function n(t){return(n,o)=>{o.preventDefault();const i=o.dropRange?[o.dropRange]:null;const s=new r(e,t);e.fire(s,{dataTransfer:o.dataTransfer,method:n.name,targetRanges:i,target:o.target});if(s.stop.called){o.stopPropagation()}}}}onDomEvent(t){const e={dataTransfer:new Lv(t.clipboardData?t.clipboardData:t.dataTransfer)};if(t.type=="drop"||t.type=="dragover"){e.dropRange=qv(this.view,t)}this.fire(t.type,t,e)}}function qv(t,e){const n=e.target.ownerDocument;const o=e.clientX;const i=e.clientY;let r;if(n.caretRangeFromPoint&&n.caretRangeFromPoint(o,i)){r=n.caretRangeFromPoint(o,i)}else if(e.rangeParent){r=n.createRange();r.setStart(e.rangeParent,e.rangeOffset);r.collapse(true)}if(r){return t.domConverter.domRangeToView(r)}return null}function jv(t){t=t.replace(//g,">").replace(/\r?\n\r?\n/g,"
").replace(/\r?\n/g," ").replace(/^\s/," ").replace(/\s$/," ").replace(/\s\s/g," ");if(t.includes("
")||t.includes(" ")){t=`
${t}
`}return t}function Wv(t){return t.replace(/(\s+)<\/span>/g,((t,e)=>{if(e.length==1){return" "}return e}))}const Gv=["figcaption","li"];function Uv(t){let e="";if(t.is("$text")||t.is("$textProxy")){e=t.data}else if(t.is("element","img")&&t.hasAttribute("alt")){e=t.getAttribute("alt")}else if(t.is("element","br")){e="\n"}else{let n=null;for(const o of t.getChildren()){const t=Uv(o);if(n&&(n.is("containerElement")||o.is("containerElement"))){if(Gv.includes(n.name)||Gv.includes(o.name)){e+="\n"}else{e+="\n\n"}}e+=t;n=o}}return e}class $v extends Kn{static get pluginName(){return"ClipboardPipeline"}init(){const t=this.editor;const e=t.editing.view;e.addObserver(Kv);this._setupPasteDrop();this._setupCopyCut()}_setupPasteDrop(){const t=this.editor;const e=t.model;const n=t.editing.view;const o=n.document;this.listenTo(o,"clipboardInput",(e=>{if(t.isReadOnly){e.stop()}}),{priority:"highest"});this.listenTo(o,"clipboardInput",((t,e)=>{const o=e.dataTransfer;let i=e.content||"";if(!i){if(o.getData("text/html")){i=Wv(o.getData("text/html"))}else if(o.getData("text/plain")){i=jv(o.getData("text/plain"))}i=this.editor.data.htmlProcessor.toView(i)}const s=new r(this,"inputTransformation");this.fire(s,{content:i,dataTransfer:o,targetRanges:e.targetRanges,method:e.method});if(s.stop.called){t.stop()}n.scrollToTheSelection()}),{priority:"low"});this.listenTo(this,"inputTransformation",((t,n)=>{if(n.content.isEmpty){return}const o=this.editor.data;const i=o.toModel(n.content,"$clipboardHolder");if(i.childCount==0){return}t.stop();e.change((()=>{this.fire("contentInsertion",{content:i,method:n.method,dataTransfer:n.dataTransfer,targetRanges:n.targetRanges})}))}),{priority:"low"});this.listenTo(this,"contentInsertion",((t,n)=>{n.resultRange=e.insertContent(n.content)}),{priority:"low"})}_setupCopyCut(){const t=this.editor;const e=t.model.document;const n=t.editing.view;const o=n.document;function i(n,i){const r=i.dataTransfer;i.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));o.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this.listenTo(o,"copy",i,{priority:"low"});this.listenTo(o,"cut",((e,n)=>{if(t.isReadOnly){n.preventDefault()}else{i(e,n)}}),{priority:"low"});this.listenTo(o,"clipboardOutput",((n,o)=>{if(!o.content.isEmpty){o.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(o.content));o.dataTransfer.setData("text/plain",Uv(o.content))}if(o.method=="cut"){t.model.deleteContent(e.selection)}}),{priority:"low"})}}function*Jv(t,e){for(const n of e){if(n&&t.getAttributeProperties(n[0]).copyOnEnter){yield n}}}class Yv extends jn{execute(){const t=this.editor.model;const e=t.document;t.change((n=>{Qv(this.editor.model,n,e.selection,t.schema);this.fire("afterExecute",{writer:n})}))}}function Qv(t,e,n,o){const i=n.isCollapsed;const r=n.getFirstRange();const s=r.start.parent;const a=r.end.parent;if(o.isLimit(s)||o.isLimit(a)){if(!i&&s==a){t.deleteContent(n)}return}if(i){const t=Jv(e.model.schema,n.getAttributes());Xv(e,r.start);e.setSelectionAttribute(t)}else{const o=!(r.start.isAtStart&&r.end.isAtEnd);const i=s==a;t.deleteContent(n,{leaveUnmerged:o});if(o){if(i){Xv(e,n.focus)}else{e.setSelection(a,0)}}}}function Xv(t,e){t.split(e);t.setSelection(e.parent.nextSibling,0)}class Zv extends Cu{constructor(t){super(t);const e=this.document;e.on("keydown",((t,n)=>{if(this.isEnabled&&n.keyCode==td.enter){const o=new Dl(e,"enter",e.selection.getFirstRange());e.fire(o,new Ah(e,n.domEvent,{isSoft:n.shiftKey}));if(o.stop.called){t.stop()}}}))}observe(){}}class ty extends Kn{static get pluginName(){return"Enter"}init(){const t=this.editor;const e=t.editing.view;const n=e.document;e.addObserver(Zv);t.commands.add("enter",new Yv(t));this.listenTo(n,"enter",((n,o)=>{o.preventDefault();if(o.isSoft){return}t.execute("enter");e.scrollToTheSelection()}),{priority:"low"})}}class ey{constructor(t,e=20){this.model=t;this.size=0;this.limit=e;this.isLocked=false;this._changeCallback=(t,e)=>{if(e.type!="transparent"&&e!==this._batch){this._reset(true)}};this._selectionChangeCallback=()=>{this._reset()};this.model.document.on("change",this._changeCallback);this.model.document.selection.on("change:range",this._selectionChangeCallback);this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){if(!this._batch){this._batch=this.model.createBatch()}return this._batch}input(t){this.size+=t;if(this.size>=this.limit){this._reset(true)}}lock(){this.isLocked=true}unlock(){this.isLocked=false}destroy(){this.model.document.off("change",this._changeCallback);this.model.document.selection.off("change:range",this._selectionChangeCallback);this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){if(!this.isLocked||t){this._batch=null;this.size=0}}}class ny extends jn{constructor(t,e){super(t);this.direction=e;this._buffer=new ey(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model;const n=e.document;e.enqueueChange(this._buffer.batch,(o=>{this._buffer.lock();const i=o.createSelection(t.selection||n.selection);const r=t.sequence||1;const s=i.isCollapsed;if(i.isCollapsed){e.modifySelection(i,{direction:this.direction,unit:t.unit})}if(this._shouldEntireContentBeReplacedWithParagraph(r)){this._replaceEntireContentWithParagraph(o);return}if(this._shouldReplaceFirstBlockWithParagraph(i,r)){this.editor.execute("paragraph",{selection:i});return}if(i.isCollapsed){return}let a=0;i.getFirstRange().getMinimalFlatRanges().forEach((t=>{a+=yl(t.getWalker({singleCharacters:true,ignoreElementEnd:true,shallow:true}))}));e.deleteContent(i,{doNotResetEntireContent:s,direction:this.direction});this._buffer.input(a);o.setSelection(i);this._buffer.unlock()}))}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1){return false}const e=this.editor.model;const n=e.document;const o=n.selection;const i=e.schema.getLimitElement(o);const r=o.isCollapsed&&o.containsEntireContent(i);if(!r){return false}if(!e.schema.checkChild(i,"paragraph")){return false}const s=i.getChild(0);if(s&&s.name==="paragraph"){return false}return true}_replaceEntireContentWithParagraph(t){const e=this.editor.model;const n=e.document;const o=n.selection;const i=e.schema.getLimitElement(o);const r=t.createElement("paragraph");t.remove(t.createRangeIn(i));t.insert(r,i);t.setSelection(r,0)}_shouldReplaceFirstBlockWithParagraph(t,e){const n=this.editor.model;if(e>1||this.direction!="backward"){return false}if(!t.isCollapsed){return false}const o=t.getFirstPosition();const i=n.schema.getLimitElement(o);const r=i.getChild(0);if(o.parent!=r){return false}if(!t.containsEntireContent(r)){return false}if(!n.schema.checkChild(i,"paragraph")){return false}if(r.name=="paragraph"){return false}return true}}class oy extends Cu{constructor(t){super(t);const e=t.document;let n=0;e.on("keyup",((t,e)=>{if(e.keyCode==td.delete||e.keyCode==td.backspace){n=0}}));e.on("keydown",((t,e)=>{const i={};if(e.keyCode==td.delete){i.direction="forward";i.unit="character"}else if(e.keyCode==td.backspace){i.direction="backward";i.unit="codePoint"}else{return}const r=Wl.isMac?e.altKey:e.ctrlKey;i.unit=r?"word":i.unit;i.sequence=++n;o(t,e.domEvent,i)}));if(Wl.isAndroid){e.on("beforeinput",((e,n)=>{if(n.domEvent.inputType!="deleteContentBackward"){return}const i={unit:"codepoint",direction:"backward",sequence:1};const r=n.domTarget.ownerDocument.defaultView.getSelection();if(r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset){i.selectionToRemove=t.domConverter.domSelectionToView(r)}o(e,n.domEvent,i)}))}function o(t,n,o){const i=new Dl(e,"delete",e.selection.getFirstRange());e.fire(i,new Ah(e,n,o));if(i.stop.called){t.stop()}}}observe(){}}class iy extends Kn{static get pluginName(){return"Delete"}init(){const t=this.editor;const e=t.editing.view;const n=e.document;e.addObserver(oy);const o=new ny(t,"forward");t.commands.add("deleteForward",o);t.commands.add("forwardDelete",o);t.commands.add("delete",new ny(t,"backward"));this.listenTo(n,"delete",((n,o)=>{const i={unit:o.unit,sequence:o.sequence};if(o.selectionToRemove){const e=t.model.createSelection();const n=[];for(const e of o.selectionToRemove.getRanges()){n.push(t.editing.mapper.toModelRange(e))}e.setTo(n);i.selection=e}t.execute(o.direction=="forward"?"deleteForward":"delete",i);o.preventDefault();e.scrollToTheSelection()}),{priority:"low"});if(Wl.isAndroid){let t=null;this.listenTo(n,"delete",((e,n)=>{const o=n.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:o.anchorNode,anchorOffset:o.anchorOffset,focusNode:o.focusNode,focusOffset:o.focusOffset}}),{priority:"lowest"});this.listenTo(n,"keyup",((e,n)=>{if(t){const e=n.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset);e.extend(t.focusNode,t.focusOffset);t=null}}))}}}class ry{constructor(){this._stack=[]}add(t,e){const n=this._stack;const o=n[0];this._insertDescriptor(t);const i=n[0];if(o!==i&&!sy(o,i)){this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}}remove(t,e){const n=this._stack;const o=n[0];this._removeDescriptor(t);const i=n[0];if(o!==i&&!sy(o,i)){this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}}_insertDescriptor(t){const e=this._stack;const n=e.findIndex((e=>e.id===t.id));if(sy(t,e[n])){return}if(n>-1){e.splice(n,1)}let o=0;while(e[o]&&ay(e[o],t)){o++}e.splice(o,0,t)}_removeDescriptor(t){const e=this._stack;const n=e.findIndex((e=>e.id===t));if(n>-1){e.splice(n,1)}}}Hn(ry,g);function sy(t,e){return t&&e&&t.priority==e.priority&&cy(t.classes)==cy(e.classes)}function ay(t,e){if(t.priority>e.priority){return true}else if(t.prioritycy(e.classes)}function cy(t){return Array.isArray(t)?t.sort().join(","):t}var ly=' ';const dy="ck-widget";const uy="ck-widget_selected";function hy(t){if(!t.is("element")){return false}return!!t.getCustomProperty("widget")}function fy(t,e,n={}){if(!t.is("containerElement")){throw new u["a"]("widget-to-widget-wrong-element-type",null,{element:t})}e.setAttribute("contenteditable","false",t);e.addClass(dy,t);e.setCustomProperty("widget",true,t);t.getFillerOffset=yy;if(n.label){by(t,n.label,e)}if(n.hasSelectionHandle){xy(t,e)}py(t,e,my,gy);return t}function my(t,e,n){if(e.classes){n.addClass(Ca(e.classes),t)}if(e.attributes){for(const o in e.attributes){n.setAttribute(o,e.attributes[o],t)}}}function gy(t,e,n){if(e.classes){n.removeClass(Ca(e.classes),t)}if(e.attributes){for(const o in e.attributes){n.removeAttribute(o,t)}}}function py(t,e,n,o){const i=new ry;i.on("change:top",((e,i)=>{if(i.oldDescriptor){o(t,i.oldDescriptor,i.writer)}if(i.newDescriptor){n(t,i.newDescriptor,i.writer)}}));e.setCustomProperty("addHighlight",((t,e,n)=>i.add(e,n)),t);e.setCustomProperty("removeHighlight",((t,e,n)=>i.remove(e,n)),t)}function by(t,e,n){n.setCustomProperty("widgetLabel",e,t)}function ky(t){const e=t.getCustomProperty("widgetLabel");if(!e){return""}return typeof e=="function"?e():e}function wy(t,e){e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t);e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t);t.on("change:isReadOnly",((n,o,i)=>{e.setAttribute("contenteditable",i?"false":"true",t)}));t.on("change:isFocused",((n,o,i)=>{if(i){e.addClass("ck-editor__nested-editable_focused",t)}else{e.removeClass("ck-editor__nested-editable_focused",t)}}));return t}function Cy(t,e){const n=t.getSelectedElement();if(n){const o=Py(t);if(o){return e.createPositionAt(n,o)}if(e.schema.isBlock(n)){return e.createPositionAfter(n)}}const o=t.getSelectedBlocks().next().value;if(o){if(o.isEmpty){return e.createPositionAt(o,0)}const n=e.createPositionAfter(o);if(t.focus.isTouching(n)){return n}return e.createPositionBefore(o)}return t.focus}function Ay(t,e){const n=t.getSelectedElement();return!!n&&e.isObject(n)}function _y(t,e){return(n,o)=>{const{mapper:i,viewPosition:r}=o;const s=i.findMappedViewAncestor(r);if(!e(s)){return}const a=i.toModelElement(s);o.modelPosition=t.createPositionAt(a,r.isAtStart?"before":"after")}}function vy(t,e){const n=new rf(ru.window);const o=n.getIntersection(t);const i=e.height+bA.arrowVerticalOffset;if(t.top-i>n.top||t.bottom+ir(e)),{priority:"lowest"})}else{o.document.on("keydown",((t,e)=>r(e)),{priority:"lowest"})}o.document.on("compositionstart",s,{priority:"lowest"});o.document.on("compositionend",(()=>{e=n.createSelection(n.document.selection)}),{priority:"lowest"});function r(t){const r=n.document;const s=o.document.isComposing;const c=e&&e.isEqual(r.selection);e=null;if(!i.isEnabled){return}if(Fy(t)||r.selection.isCollapsed){return}if(s&&t.keyCode===229){return}if(!s&&t.keyCode===229&&c){return}a()}function s(){const t=n.document;const e=t.selection.rangeCount===1?t.selection.getFirstRange().isFlat:true;if(t.selection.isCollapsed||e){return}a()}function a(){const t=i.buffer;t.lock();const e=t.batch;i._batches.add(e);n.enqueueChange(e,(()=>{n.deleteContent(n.document.selection)}));t.unlock()}}const Ry=[nd("arrowUp"),nd("arrowRight"),nd("arrowDown"),nd("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++){Ry.push(t)}function Fy(t){if(t.ctrlKey||t.metaKey){return true}return Ry.includes(t.keyCode)}var zy=' ';var Oy=n(36);var Ny={injectType:"singletonStyleTag",attributes:{"data-cke":true}};Ny.insert="head";Ny.singleton=true;var My=wk()(Oy["a"],Ny);var Vy=Oy["a"].locals||{};const Ly=["before","after"];const Hy=(new DOMParser).parseFromString(zy,"image/svg+xml").firstChild;const Ky="ck-widget__type-around_disabled";class qy extends Kn{static get pluginName(){return"WidgetTypeAround"}static get requires(){return[ty,iy]}constructor(t){super(t);this._currentFakeCaretModelElement=null}init(){const t=this.editor;const e=t.editing.view;this.on("change:isEnabled",((n,o,i)=>{e.change((t=>{for(const n of e.document.roots){if(i){t.removeClass(Ky,n)}else{t.addClass(Ky,n)}}}));if(!i){t.model.change((t=>{t.removeSelectionAttribute(Ey)}))}}));this._enableTypeAroundUIInjection();this._enableInsertingParagraphsOnButtonClick();this._enableInsertingParagraphsOnEnterKeypress();this._enableInsertingParagraphsOnTypingKeystroke();this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows();this._enableDeleteIntegration();this._enableInsertContentIntegration()}destroy(){this._currentFakeCaretModelElement=null}_insertParagraph(t,e){const n=this.editor;const o=n.editing.view;n.execute("insertParagraph",{position:n.model.createPositionAt(t,e)});o.focus();o.scrollToTheSelection()}_listenToIfEnabled(t,e,n,o){this.listenTo(t,e,((...t)=>{if(this.isEnabled){n(...t)}}),o)}_insertParagraphAccordingToFakeCaretPosition(){const t=this.editor;const e=t.model;const n=e.document.selection;const o=Py(n);if(!o){return false}const i=n.getSelectedElement();this._insertParagraph(i,o);return true}_enableTypeAroundUIInjection(){const t=this.editor;const e=t.model.schema;const n=t.locale.t;const o={before:n("Insert paragraph before block"),after:n("Insert paragraph after block")};t.editing.downcastDispatcher.on("insert",((t,n,i)=>{const r=i.mapper.toViewElement(n.item);if(Dy(r,n.item,e)){jy(i.writer,o,r)}}),{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const t=this.editor;const e=t.model;const n=e.document.selection;const o=e.schema;const i=t.editing.view;this._listenToIfEnabled(i.document,"arrowKey",((t,e)=>{this._handleArrowKeyPress(t,e)}),{context:[hy,"$text"],priority:"high"});this._listenToIfEnabled(n,"change:range",((e,n)=>{if(!n.directChange){return}t.model.change((t=>{t.removeSelectionAttribute(Ey)}))}));this._listenToIfEnabled(e.document,"change:data",(()=>{const e=n.getSelectedElement();if(e){const n=t.editing.mapper.toViewElement(e);if(Dy(n,e,o)){return}}t.model.change((t=>{t.removeSelectionAttribute(Ey)}))}));this._listenToIfEnabled(t.editing.downcastDispatcher,"selection",((t,e,n)=>{const i=n.writer;if(this._currentFakeCaretModelElement){const t=n.mapper.toViewElement(this._currentFakeCaretModelElement);if(t){i.removeClass(Ly.map(r),t);this._currentFakeCaretModelElement=null}}const s=e.selection.getSelectedElement();if(!s){return}const a=n.mapper.toViewElement(s);if(!Dy(a,s,o)){return}const c=Py(e.selection);if(!c){return}i.addClass(r(c),a);this._currentFakeCaretModelElement=s}));this._listenToIfEnabled(t.ui.focusTracker,"change:isFocused",((e,n,o)=>{if(!o){t.model.change((t=>{t.removeSelectionAttribute(Ey)}))}}));function r(t){return`ck-widget_type-around_show-fake-caret_${t}`}}_handleArrowKeyPress(t,e){const n=this.editor;const o=n.model;const i=o.document.selection;const r=o.schema;const s=n.editing.view;const a=e.keyCode;const c=cd(a,n.locale.contentLanguageDirection);const l=s.document.selection.getSelectedElement();const d=n.editing.mapper.toModelElement(l);let u;if(Dy(l,d,r)){u=this._handleArrowKeyPressOnSelectedWidget(c)}else if(i.isCollapsed){u=this._handleArrowKeyPressWhenSelectionNextToAWidget(c)}if(u){e.preventDefault();t.stop()}}_handleArrowKeyPressOnSelectedWidget(t){const e=this.editor;const n=e.model;const o=n.document.selection;const i=Py(o);return n.change((e=>{if(i){const n=i===(t?"after":"before");if(!n){e.removeSelectionAttribute(Ey);return true}}else{e.setSelectionAttribute(Ey,t?"after":"before");return true}return false}))}_handleArrowKeyPressWhenSelectionNextToAWidget(t){const e=this.editor;const n=e.model;const o=n.schema;const i=e.plugins.get("Widget");const r=i._getObjectElementNextToSelection(t);const s=e.editing.mapper.toViewElement(r);if(Dy(s,r,o)){n.change((e=>{i._setSelectionOverElement(r);e.setSelectionAttribute(Ey,t?"before":"after")}));return true}return false}_enableInsertingParagraphsOnButtonClick(){const t=this.editor;const e=t.editing.view;this._listenToIfEnabled(e.document,"mousedown",((n,o)=>{const i=Sy(o.domTarget);if(!i){return}const r=By(i);const s=Ty(i,e.domConverter);const a=t.editing.mapper.toModelElement(s);this._insertParagraph(a,r);o.preventDefault();n.stop()}))}_enableInsertingParagraphsOnEnterKeypress(){const t=this.editor;const e=t.model.document.selection;const n=t.editing.view;this._listenToIfEnabled(n.document,"enter",((n,o)=>{if(n.eventPhase!="atTarget"){return}const i=e.getSelectedElement();const r=t.editing.mapper.toViewElement(i);const s=t.model.schema;let a;if(this._insertParagraphAccordingToFakeCaretPosition()){a=true}else if(Dy(r,i,s)){this._insertParagraph(i,o.isSoft?"before":"after");a=true}if(a){o.preventDefault();n.stop()}}),{context:hy})}_enableInsertingParagraphsOnTypingKeystroke(){const t=this.editor;const e=t.editing.view;const n=[td.enter,td.delete,td.backspace];this._listenToIfEnabled(e.document,"keydown",((t,e)=>{if(!n.includes(e.keyCode)&&!Fy(e)){this._insertParagraphAccordingToFakeCaretPosition()}}),{priority:"high"})}_enableDeleteIntegration(){const t=this.editor;const e=t.editing.view;const n=t.model;const o=n.schema;this._listenToIfEnabled(e.document,"delete",((e,i)=>{if(e.eventPhase!="atTarget"){return}const r=Py(n.document.selection);if(!r){return}const s=i.direction;const a=n.document.selection.getSelectedElement();const c=r==="before";const l=s=="forward";const d=c===l;if(d){t.execute("delete",{selection:n.createSelection(a,"on")})}else{const e=o.getNearestSelectionRange(n.createPositionAt(a,r),s);if(e){if(!e.isCollapsed){n.change((n=>{n.setSelection(e);t.execute(l?"deleteForward":"delete")}))}else{const i=n.createSelection(e.start);n.modifySelection(i,{direction:s});if(!i.focus.isEqual(e.start)){n.change((n=>{n.setSelection(e);t.execute(l?"deleteForward":"delete")}))}else{const t=Uy(o,e.start.parent);n.deleteContent(n.createSelection(t,"on"),{doNotAutoparagraph:true})}}}}i.preventDefault();e.stop()}),{context:hy})}_enableInsertContentIntegration(){const t=this.editor;const e=this.editor.model;const n=e.document.selection;this._listenToIfEnabled(t.model,"insertContent",((t,[o,i])=>{if(i&&!i.is("documentSelection")){return}const r=Py(n);if(!r){return}t.stop();return e.change((t=>{const i=n.getSelectedElement();const s=e.createPositionAt(i,r);const a=t.createSelection(s);const c=e.insertContent(o,a);t.setSelection(a);return c}))}),{priority:"high"})}}function jy(t,e,n){const o=t.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(t){const n=this.toDomElement(t);Wy(n,e);Gy(n);return n}));t.insert(t.createPositionAt(n,"end"),o)}function Wy(t,e){for(const n of Ly){const o=new Ek({tag:"div",attributes:{class:["ck","ck-widget__type-around__button",`ck-widget__type-around__button_${n}`],title:e[n]},children:[t.ownerDocument.importNode(Hy,true)]});t.appendChild(o.render())}}function Gy(t){const e=new Ek({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});t.appendChild(e.render())}function Uy(t,e){let n=e;for(const o of e.getAncestors({parentFirst:true})){if(o.childCount>1||t.isLimit(o)){break}n=o}return n}var $y=n(37);var Jy={injectType:"singletonStyleTag",attributes:{"data-cke":true}};Jy.insert="head";Jy.singleton=true;var Yy=wk()($y["a"],Jy);var Qy=$y["a"].locals||{};function Xy(t){const e=t.model;return(n,o)=>{const i=o.keyCode==td.arrowup;const r=o.keyCode==td.arrowdown;const s=o.shiftKey;const a=e.document.selection;if(!i&&!r){return}const c=r;if(s&&ox(a,c)){return}const l=Zy(t,a,c);if(!l||l.isCollapsed){return}if(nx(t,l,c)){e.change((t=>{const n=c?l.end:l.start;if(s){const o=e.createSelection(a.anchor);o.setFocus(n);t.setSelection(o)}else{t.setSelection(n)}}));n.stop();o.preventDefault();o.stopPropagation()}}}function Zy(t,e,n){const o=t.model;if(n){const t=e.isCollapsed?e.focus:e.getLastPosition();const n=tx(o,t,"forward");if(!n){return null}const i=o.createRange(t,n);const r=ex(o.schema,i,"backward");if(r&&t.isBefore(r)){return o.createRange(t,r)}return null}else{const t=e.isCollapsed?e.focus:e.getFirstPosition();const n=tx(o,t,"backward");if(!n){return null}const i=o.createRange(n,t);const r=ex(o.schema,i,"forward");if(r&&t.isAfter(r)){return o.createRange(r,t)}return null}}function tx(t,e,n){const o=t.schema;const i=t.createRangeIn(e.root);const r=n=="forward"?"elementStart":"elementEnd";for(const{previousPosition:t,item:s,type:a}of i.getWalker({startPosition:e,direction:n})){if(o.isLimit(s)&&!o.isInline(s)){return t}if(a==r&&o.isBlock(s)){return null}}return null}function ex(t,e,n){const o=n=="backward"?e.end:e.start;if(t.checkChild(o,"$text")){return o}for(const{nextPosition:o}of e.getWalker({direction:n})){if(t.checkChild(o,"$text")){return o}}}function nx(t,e,n){const o=t.model;const i=t.view.domConverter;if(n){const t=o.createSelection(e.start);o.modifySelection(t);if(!t.focus.isAtEnd&&!e.start.isEqual(t.focus)){e=o.createRange(t.focus,e.end)}}const r=t.mapper.toViewRange(e);const s=i.viewRangeToDom(r);const a=rf.getDomRangeRects(s);let c;for(const t of a){if(c===undefined){c=Math.round(t.bottom);continue}if(Math.round(t.top)>=c){return false}c=Math.max(c,Math.round(t.bottom))}return true}function ox(t,e){return!t.isCollapsed&&t.isBackward==e}class ix extends Kn{static get pluginName(){return"Widget"}static get requires(){return[qy,iy]}init(){const t=this.editor.editing.view;const e=t.document;this._previouslySelected=new Set;this.editor.editing.downcastDispatcher.on("selection",((t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const o=n.writer;const i=o.document.selection;const r=i.getSelectedElement();let s=null;for(const t of i.getRanges()){for(const e of t){const t=e.item;if(hy(t)&&!sx(t,s)){o.addClass(uy,t);this._previouslySelected.add(t);s=t;if(t==r){o.setSelection(i.getRanges(),{fake:true,label:ky(r)})}}}}}),{priority:"low"});t.addObserver(D_);this.listenTo(e,"mousedown",((...t)=>this._onMousedown(...t)));this.listenTo(e,"arrowKey",((...t)=>{this._handleSelectionChangeOnArrowKeyPress(...t)}),{context:[hy,"$text"]});this.listenTo(e,"arrowKey",((...t)=>{this._preventDefaultOnArrowKeyPress(...t)}),{context:"$root"});this.listenTo(e,"arrowKey",Xy(this.editor.editing),{context:"$text"});this.listenTo(e,"delete",((t,e)=>{if(this._handleDelete(e.direction=="forward")){e.preventDefault();t.stop()}}),{context:"$root"})}_onMousedown(t,e){const n=this.editor;const o=n.editing.view;const i=o.document;let r=e.target;if(rx(r)){if((Wl.isSafari||Wl.isGecko)&&e.domEvent.detail>=3){const t=n.editing.mapper;const o=r.is("attributeElement")?r.findAncestor((t=>!t.is("attributeElement"))):r;const i=t.toModelElement(o);e.preventDefault();this.editor.model.change((t=>{t.setSelection(i,"in")}))}return}if(!hy(r)){r=r.findAncestor(hy);if(!r){return}}if(Wl.isAndroid){e.preventDefault()}if(!i.isFocused){o.focus()}const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_handleSelectionChangeOnArrowKeyPress(t,e){const n=e.keyCode;const o=this.editor.model;const i=o.schema;const r=o.document.selection;const s=r.getSelectedElement();const a=cd(n,this.editor.locale.contentLanguageDirection);if(s&&i.isObject(s)){const n=a?r.getLastPosition():r.getFirstPosition();const s=i.getNearestSelectionRange(n,a?"forward":"backward");if(s){o.change((t=>{t.setSelection(s)}));e.preventDefault();t.stop()}return}if(!r.isCollapsed){return}const c=this._getObjectElementNextToSelection(a);if(c&&i.isObject(c)){this._setSelectionOverElement(c);e.preventDefault();t.stop()}}_preventDefaultOnArrowKeyPress(t,e){const n=this.editor.model;const o=n.schema;const i=n.document.selection.getSelectedElement();if(i&&o.isObject(i)){e.preventDefault();t.stop()}}_handleDelete(t){if(this.editor.isReadOnly){return}const e=this.editor.model.document;const n=e.selection;if(!n.isCollapsed){return}const o=this._getObjectElementNextToSelection(t);if(o){this.editor.model.change((t=>{let e=n.anchor.parent;while(e.isEmpty){const n=e;e=n.parent;t.remove(n)}this._setSelectionOverElement(o)}));return true}}_setSelectionOverElement(t){this.editor.model.change((e=>{e.setSelection(e.createRangeOn(t))}))}_getObjectElementNextToSelection(t){const e=this.editor.model;const n=e.schema;const o=e.document.selection;const i=e.createSelection(o);e.modifySelection(i,{direction:t?"forward":"backward"});const r=t?i.focus.nodeBefore:i.focus.nodeAfter;if(!!r&&n.isObject(r)){return r}return null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected){t.removeClass(uy,e)}this._previouslySelected.clear()}}function rx(t){while(t){if(t.is("editableElement")&&!t.is("rootElement")){return true}if(hy(t)){return false}t=t.parent}return false}function sx(t,e){if(!e){return false}return Array.from(t.getAncestors()).includes(e)}var ax="Expected a function";function cx(t,e,n){var o=true,i=true;if(typeof t!="function"){throw new TypeError(ax)}if(S(n)){o="leading"in n?!!n.leading:o;i="trailing"in n?!!n.trailing:i}return qh(t,e,{leading:o,maxWait:e,trailing:i})}var lx=cx;var dx=n(38);var ux={injectType:"singletonStyleTag",attributes:{"data-cke":true}};ux.insert="head";ux.singleton=true;var hx=wk()(dx["a"],ux);var fx=dx["a"].locals||{};class mx extends Kn{static get pluginName(){return"DragDrop"}static get requires(){return[$v,ix]}init(){const t=this.editor;const e=t.editing.view;this._draggedRange=null;this._draggingUid="";this._draggableElement=null;this._updateDropMarkerThrottled=lx((t=>this._updateDropMarker(t)),40);this._removeDropMarkerDelayed=_x((()=>this._removeDropMarker()),40);this._clearDraggableAttributesDelayed=_x((()=>this._clearDraggableAttributes()),40);e.addObserver(Kv);e.addObserver(D_);this._setupDragging();this._setupContentInsertionIntegration();this._setupClipboardInputIntegration();this._setupDropMarker();this._setupDraggableAttributeHandling();this.listenTo(t,"change:isReadOnly",((t,e,n)=>{if(n){this.forceDisabled("readOnlyMode")}else{this.clearForceDisabled("readOnlyMode")}}));this.on("change:isEnabled",((t,e,n)=>{if(!n){this._finalizeDragging(false)}}));if(Wl.isAndroid){this.forceDisabled("noAndroidSupport")}}destroy(){if(this._draggedRange){this._draggedRange.detach();this._draggedRange=null}this._updateDropMarkerThrottled.cancel();this._removeDropMarkerDelayed.cancel();this._clearDraggableAttributesDelayed.cancel();return super.destroy()}_setupDragging(){const t=this.editor;const e=t.model;const n=e.document;const o=t.editing.view;const i=o.document;this.listenTo(i,"dragstart",((o,r)=>{const s=n.selection;if(r.target&&r.target.is("rootElement")){r.preventDefault();return}const c=r.target?vx(r.target):null;if(c){const n=t.editing.mapper.toModelElement(c);this._draggedRange=om.fromRange(e.createRangeOn(n))}else if(!i.selection.isCollapsed){const t=i.selection.getSelectedElement();if(!t||!hy(t)){this._draggedRange=om.fromRange(s.getFirstRange())}}if(!this._draggedRange){r.preventDefault();return}this._draggingUid=a();r.dataTransfer.effectAllowed=this.isEnabled?"copyMove":"copy";r.dataTransfer.setData("application/ckeditor5-dragging-uid",this._draggingUid);const l=e.createSelection(this._draggedRange.toRange());const d=t.data.toView(e.getSelectedContent(l));i.fire("clipboardOutput",{dataTransfer:r.dataTransfer,content:d,method:o.name});if(!this.isEnabled){this._draggedRange.detach();this._draggedRange=null;this._draggingUid=""}}),{priority:"low"});this.listenTo(i,"dragend",((t,e)=>{this._finalizeDragging(!e.dataTransfer.isCanceled&&e.dataTransfer.dropEffect=="move")}),{priority:"low"});this.listenTo(i,"dragenter",(()=>{if(!this.isEnabled){return}o.focus()}));this.listenTo(i,"dragleave",(()=>{this._removeDropMarkerDelayed()}));this.listenTo(i,"dragging",((e,n)=>{if(!this.isEnabled){n.dataTransfer.dropEffect="none";return}this._removeDropMarkerDelayed.cancel();const o=gx(t,n.targetRanges,n.target);if(!this._draggedRange){n.dataTransfer.dropEffect="copy"}if(!Wl.isGecko){if(n.dataTransfer.effectAllowed=="copy"){n.dataTransfer.dropEffect="copy"}else if(["all","copyMove"].includes(n.dataTransfer.effectAllowed)){n.dataTransfer.dropEffect="move"}}if(o){this._updateDropMarkerThrottled(o)}}),{priority:"low"})}_setupClipboardInputIntegration(){const t=this.editor;const e=t.editing.view;const n=e.document;this.listenTo(n,"clipboardInput",((e,n)=>{if(n.method!="drop"){return}const o=gx(t,n.targetRanges,n.target);this._removeDropMarker();if(!o){this._finalizeDragging(false);e.stop();return}if(this._draggedRange&&this._draggingUid!=n.dataTransfer.getData("application/ckeditor5-dragging-uid")){this._draggedRange.detach();this._draggedRange=null;this._draggingUid=""}const i=Ax(n.dataTransfer)=="move";if(i&&this._draggedRange&&this._draggedRange.containsRange(o,true)){this._finalizeDragging(false);e.stop();return}n.targetRanges=[t.editing.mapper.toViewRange(o)]}),{priority:"high"})}_setupContentInsertionIntegration(){const t=this.editor.plugins.get($v);t.on("contentInsertion",((t,e)=>{if(!this.isEnabled||e.method!=="drop"){return}const n=e.targetRanges.map((t=>this.editor.editing.mapper.toModelRange(t)));this.editor.model.change((t=>t.setSelection(n)))}),{priority:"high"});t.on("contentInsertion",((t,e)=>{if(!this.isEnabled||e.method!=="drop"){return}const n=Ax(e.dataTransfer)=="move";const o=!e.resultRange||!e.resultRange.isCollapsed;this._finalizeDragging(o&&n)}),{priority:"lowest"})}_setupDraggableAttributeHandling(){const t=this.editor;const e=t.editing.view;const n=e.document;this.listenTo(n,"mousedown",((o,i)=>{if(Wl.isAndroid||!i){return}this._clearDraggableAttributesDelayed.cancel();let r=vx(i.target);if(Wl.isBlink&&!r&&!n.selection.isCollapsed){const t=n.selection.getSelectedElement();if(!t||!hy(t)){r=n.selection.editableElement}}if(r){e.change((t=>{t.setAttribute("draggable","true",r)}));this._draggableElement=t.editing.mapper.toModelElement(r)}}));this.listenTo(n,"mouseup",(()=>{if(!Wl.isAndroid){this._clearDraggableAttributesDelayed()}}))}_clearDraggableAttributes(){const t=this.editor.editing;t.view.change((e=>{if(this._draggableElement&&this._draggableElement.root.rootName!="$graveyard"){e.removeAttribute("draggable",t.mapper.toViewElement(this._draggableElement))}this._draggableElement=null}))}_setupDropMarker(){const t=this.editor;t.conversion.for("editingDowncast").markerToHighlight({model:"drop-target",view:{classes:["ck-clipboard-drop-target-range"]}});t.conversion.for("editingDowncast").markerToElement({model:"drop-target",view:(e,{writer:n})=>{const o=t.model.schema.checkChild(e.markerRange.start,"$text");if(!o){return}return n.createUIElement("span",{class:"ck ck-clipboard-drop-target-position"},(function(t){const e=this.toDomElement(t);e.innerHTML="⁠ ⁠";return e}))}})}_updateDropMarker(t){const e=this.editor;const n=e.model.markers;e.model.change((e=>{if(n.has("drop-target")){if(!n.get("drop-target").getRange().isEqual(t)){e.updateMarker("drop-target",{range:t})}}else{e.addMarker("drop-target",{range:t,usingOperation:false,affectsData:false})}}))}_removeDropMarker(){const t=this.editor.model;this._removeDropMarkerDelayed.cancel();this._updateDropMarkerThrottled.cancel();if(t.markers.has("drop-target")){t.change((t=>{t.removeMarker("drop-target")}))}}_finalizeDragging(t){const e=this.editor;const n=e.model;this._removeDropMarker();this._clearDraggableAttributes();this._draggingUid="";if(!this._draggedRange){return}if(t&&this.isEnabled){n.deleteContent(n.createSelection(this._draggedRange),{doNotAutoparagraph:true})}this._draggedRange.detach();this._draggedRange=null}}function gx(t,e,n){const o=t.model;const i=t.editing.mapper;let r=null;const s=e?e[0].start:null;if(n.is("uiElement")){n=n.parent}r=px(t,n);if(r){return r}const a=Cx(t,n);const c=s?i.toModelPosition(s):null;if(!c){return bx(t,a)}r=kx(t,c,a);if(r){return r}r=o.schema.getNearestSelectionRange(c,Wl.isGecko?"forward":"backward");if(r){return r}return wx(t,c.parent)}function px(t,e){const n=t.model;const o=t.editing.mapper;if(hy(e)){return n.createRangeOn(o.toModelElement(e))}if(!e.is("editableElement")){const t=e.findAncestor((t=>hy(t)||t.is("editableElement")));if(hy(t)){return n.createRangeOn(o.toModelElement(t))}}return null}function bx(t,e){const n=t.model;const o=n.schema;const i=n.createPositionAt(e,0);return o.getNearestSelectionRange(i,"forward")}function kx(t,e,n){const o=t.model;if(!o.schema.checkChild(n,"$block")){return null}const i=o.createPositionAt(n,0);const r=e.path.slice(0,i.path.length);const s=o.createPositionFromPath(e.root,r);const a=s.nodeAfter;if(a&&o.schema.isObject(a)){return o.createRangeOn(a)}return null}function wx(t,e){const n=t.model;while(e){if(n.schema.isObject(e)){return n.createRangeOn(e)}e=e.parent}}function Cx(t,e){const n=t.editing.mapper;const o=t.editing.view;const i=n.toModelElement(e);if(i){return i}const r=o.createPositionBefore(e);const s=n.findMappedViewAncestor(r);return n.toModelElement(s)}function Ax(t){if(Wl.isGecko){return t.dropEffect}return["all","copyMove"].includes(t.effectAllowed)?"move":"copy"}function _x(t,e){let n;function o(...i){o.cancel();n=setTimeout((()=>t(...i)),e)}o.cancel=()=>{clearTimeout(n)};return o}function vx(t){if(t.is("editableElement")){return null}if(t.hasClass("ck-widget__selection-handle")){return t.findAncestor(hy)}if(hy(t)){return t}const e=t.findAncestor((t=>hy(t)||t.is("editableElement")));if(hy(e)){return e}return null}class yx extends Kn{static get pluginName(){return"PastePlainText"}static get requires(){return[$v]}init(){const t=this.editor;const e=t.model;const n=t.editing.view;const o=n.document;const i=e.document.selection;let r=false;n.addObserver(Kv);this.listenTo(o,"keydown",((t,e)=>{r=e.shiftKey}));t.plugins.get($v).on("contentInsertion",((t,n)=>{if(!r&&!xx(n.content,e.schema)){return}e.change((t=>{const o=Array.from(i.getAttributes()).filter((([t])=>e.schema.getAttributeProperties(t).isFormatting));if(!i.isCollapsed){e.deleteContent(i,{doNotAutoparagraph:true})}o.push(...i.getAttributes());const r=t.createRangeIn(n.content);for(const e of r.getItems()){if(e.is("$textProxy")){t.setAttributes(o,e)}}}))}))}}function xx(t,e){if(t.childCount>1){return false}const n=t.getChild(0);if(e.isObject(n)){return false}return[...n.getAttributeKeys()].length==0}class Ex extends Kn{static get pluginName(){return"Clipboard"}static get requires(){return[$v,mx,yx]}}class Dx extends jn{constructor(t){super(t);this._stack=[];this._createdBatches=new WeakSet;this.refresh();this.listenTo(t.data,"set",(()=>this.clearStack()))}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection;const n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n});this.refresh()}clearStack(){this._stack=[];this.refresh()}_restoreSelection(t,e,n){const o=this.editor.model;const i=o.document;const r=[];const s=t.map((t=>t.getTransformedByOperations(n)));const a=s.flat();for(const t of s){const e=t.filter((t=>t.root!=i.graveyard)).filter((t=>!Bx(t,a)));if(!e.length){continue}Sx(e);r.push(e[0])}if(r.length){o.change((t=>{t.setSelection(r,{backward:e})}))}}_undo(t,e){const n=this.editor.model;const o=n.document;this._createdBatches.add(e);const i=t.operations.slice().filter((t=>t.isDocumentOperation));i.reverse();for(const t of i){const i=t.baseVersion+1;const r=Array.from(o.history.getOperations(i));const s=k_([t.getReversed()],r,{useRelations:true,document:this.editor.model.document,padWithNoOps:false,forceWeakRemove:true});const a=s.operationsA;for(const i of a){e.addOperation(i);n.applyOperation(i);o.history.setOperationAsUndone(t,i)}}}}function Sx(t){t.sort(((t,e)=>t.start.isBefore(e.start)?-1:1));for(let e=1;ee!==t&&e.containsRange(t,true)))}class Tx extends Dx{execute(t=null){const e=t?this._stack.findIndex((e=>e.batch==t)):this._stack.length-1;const n=this._stack.splice(e,1)[0];const o=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(o,(()=>{this._undo(n.batch,o);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t);this.fire("revert",n.batch,o)}));this.refresh()}}class Px extends Dx{execute(){const t=this._stack.pop();const e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,(()=>{const n=t.batch.operations[t.batch.operations.length-1];const o=n.baseVersion+1;const i=this.editor.model.document.history.getOperations(o);this._restoreSelection(t.selection.ranges,t.selection.isBackward,i);this._undo(t.batch,e)}));this.refresh()}}class Ix extends Kn{static get pluginName(){return"UndoEditing"}constructor(t){super(t);this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Tx(t);this._redoCommand=new Px(t);t.commands.add("undo",this._undoCommand);t.commands.add("redo",this._redoCommand);this.listenTo(t.model,"applyOperation",((t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}const o=n.batch;const i=this._redoCommand._createdBatches.has(o);const r=this._undoCommand._createdBatches.has(o);const s=this._batchRegistry.has(o);if(s||o.type=="transparent"&&!i&&!r){return}else{if(i){this._undoCommand.addBatch(o)}else if(!r){this._undoCommand.addBatch(o);this._redoCommand.clearStack()}}this._batchRegistry.add(o)}),{priority:"highest"});this.listenTo(this._undoCommand,"revert",((t,e,n)=>{this._redoCommand.addBatch(n)}));t.keystrokes.set("CTRL+Z","undo");t.keystrokes.set("CTRL+Y","redo");t.keystrokes.set("CTRL+SHIFT+Z","redo")}}var Rx=' ';var Fx=' ';class zx extends Kn{static get pluginName(){return"UndoUI"}init(){const t=this.editor;const e=t.locale;const n=t.t;const o=e.uiLanguageDirection=="ltr"?Rx:Fx;const i=e.uiLanguageDirection=="ltr"?Fx:Rx;this._addButton("undo",n("Undo"),"CTRL+Z",o);this._addButton("redo",n("Redo"),"CTRL+Y",i)}_addButton(t,e,n,o){const i=this.editor;i.ui.componentFactory.add(t,(r=>{const s=i.commands.get(t);const a=new fw(r);a.set({label:e,icon:o,keystroke:n,tooltip:true});a.bind("isEnabled").to(s,"isEnabled");this.listenTo(a,"execute",(()=>{i.execute(t);i.editing.view.focus()}));return a}))}}class Ox extends Kn{static get requires(){return[Ix,zx]}static get pluginName(){return"Undo"}}class Nx extends Kn{static get requires(){return[IA]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",(e=>{if(Lx(t.editing.view.document.selection)){e.stop()}}),{priority:"high"})}this._toolbarDefinitions=new Map;this._balloon=this.editor.plugins.get("ContextualBalloon");this.on("change:isEnabled",(()=>{this._updateToolbarsVisibility()}));this.listenTo(t.ui,"update",(()=>{this._updateToolbarsVisibility()}));this.listenTo(t.ui.focusTracker,"change:isFocused",(()=>{this._updateToolbarsVisibility()}),{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values()){t.view.destroy()}}register(t,{ariaLabel:e,items:n,getRelatedElement:o,balloonClassName:i="ck-toolbar-container"}){if(!n.length){Object(u["b"])("widget-toolbar-no-items",{toolbarId:t});return}const r=this.editor;const s=r.t;const a=new sC(r.locale);a.ariaLabel=e||s("Widget toolbar");if(this._toolbarDefinitions.has(t)){throw new u["a"]("widget-toolbar-duplicated",this,{toolbarId:t})}a.fillFromConfig(n,r.ui.componentFactory);this._toolbarDefinitions.set(t,{view:a,getRelatedElement:o,balloonClassName:i})}_updateToolbarsVisibility(){let t=0;let e=null;let n=null;for(const o of this._toolbarDefinitions.values()){const i=o.getRelatedElement(this.editor.editing.view.document.selection);if(!this.isEnabled||!i){if(this._isToolbarInBalloon(o)){this._hideToolbar(o)}}else if(!this.editor.ui.focusTracker.isFocused){if(this._isToolbarVisible(o)){this._hideToolbar(o)}}else{const r=i.getAncestors().length;if(r>t){t=r;e=i;n=o}}}if(n){this._showToolbar(n,e)}}_hideToolbar(t){this._balloon.remove(t.view);this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){if(this._isToolbarVisible(t)){Mx(this.editor,e)}else if(!this._isToolbarInBalloon(t)){this._balloon.add({view:t.view,position:Vx(this.editor,e),balloonClassName:t.balloonClassName});this.listenTo(this._balloon,"change:visibleView",(()=>{for(const t of this._toolbarDefinitions.values()){if(this._isToolbarVisible(t)){const e=t.getRelatedElement(this.editor.editing.view.document.selection);Mx(this.editor,e)}}}))}}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Mx(t,e){const n=t.plugins.get("ContextualBalloon");const o=Vx(t,e);n.updatePosition(o)}function Vx(t,e){const n=t.editing.view;const o=bA.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast,vy]}}function Lx(t){const e=t.getSelectedElement();return!!(e&&hy(e))}class Hx{constructor(t){this.set("activeHandlePosition",null);this.set("proposedWidthPercents",null);this.set("proposedWidth",null);this.set("proposedHeight",null);this.set("proposedHandleHostWidth",null);this.set("proposedHandleHostHeight",null);this._options=t;this._referenceCoordinates=null}begin(t,e,n){const o=new rf(e);this.activeHandlePosition=Wx(t);this._referenceCoordinates=qx(e,Gx(this.activeHandlePosition));this.originalWidth=o.width;this.originalHeight=o.height;this.aspectRatio=o.width/o.height;const i=n.style.width;if(i&&i.match(/^\d+(\.\d*)?%$/)){this.originalWidthPercents=parseFloat(i)}else{this.originalWidthPercents=Kx(n,o)}}update(t){this.proposedWidth=t.width;this.proposedHeight=t.height;this.proposedWidthPercents=t.widthPercents;this.proposedHandleHostWidth=t.handleHostWidth;this.proposedHandleHostHeight=t.handleHostHeight}}Hn(Hx,Tn);function Kx(t,e){const n=t.parentElement;const o=parseFloat(n.ownerDocument.defaultView.getComputedStyle(n).width);return e.width/o*100}function qx(t,e){const n=new rf(t);const o=e.split("-");const i={x:o[1]=="right"?n.right:n.left,y:o[0]=="bottom"?n.bottom:n.top};i.x+=t.ownerDocument.defaultView.scrollX;i.y+=t.ownerDocument.defaultView.scrollY;return i}function jx(t){return`ck-widget__resizer__handle-${t}`}function Wx(t){const e=["top-left","top-right","bottom-right","bottom-left"];for(const n of e){if(t.classList.contains(jx(n))){return n}}}function Gx(t){const e=t.split("-");const n={top:"bottom",bottom:"top",left:"right",right:"left"};return`${n[e[0]]}-${n[e[1]]}`}class Ux{constructor(t){this._options=t;this._domResizerWrapper=null;this._viewResizerWrapper=null;this.set("isEnabled",true);this.decorate("begin");this.decorate("cancel");this.decorate("commit");this.decorate("updateSize");this.on("commit",(t=>{if(!this.state.proposedWidth&&!this.state.proposedWidthPercents){this._cleanup();t.stop()}}),{priority:"high"});this.on("change:isEnabled",(()=>{if(this.isEnabled){this.redraw()}}))}attach(){const t=this;const e=this._options.viewElement;const n=this._options.editor.editing.view;n.change((n=>{const o=n.createUIElement("div",{class:"ck ck-reset_all ck-widget__resizer"},(function(e){const n=this.toDomElement(e);t._appendHandles(n);t._appendSizeUI(n);t._domResizerWrapper=n;t.on("change:isEnabled",((t,e,o)=>{n.style.display=o?"":"none"}));n.style.display=t.isEnabled?"":"none";return n}));n.insert(n.createPositionAt(e,"end"),o);n.addClass("ck-widget_with-resizer",e);this._viewResizerWrapper=o}))}begin(t){this.state=new Hx(this._options);this._sizeUI.bindToState(this._options,this.state);this._initialViewWidth=this._options.viewElement.getStyle("width");this.state.begin(t,this._getHandleHost(),this._getResizeHost())}updateSize(t){const e=this._proposeNewSize(t);const n=this._options.editor.editing.view;n.change((t=>{const n=this._options.unit||"%";const o=(n==="%"?e.widthPercents:e.width)+n;t.setStyle("width",o,this._options.viewElement)}));const o=this._getHandleHost();const i=new rf(o);e.handleHostWidth=Math.round(i.width);e.handleHostHeight=Math.round(i.height);const r=new rf(o);e.width=Math.round(r.width);e.height=Math.round(r.height);this.redraw(i);this.state.update(e)}commit(){const t=this._options.unit||"%";const e=(t==="%"?this.state.proposedWidthPercents:this.state.proposedWidth)+t;this._options.editor.editing.view.change((()=>{this._cleanup();this._options.onCommit(e)}))}cancel(){this._cleanup()}destroy(){this.cancel()}redraw(t){const e=this._domResizerWrapper;if(!Qx(e)){return}const n=e.parentElement;const o=this._getHandleHost();const i=this._viewResizerWrapper;const r=[i.getStyle("width"),i.getStyle("height"),i.getStyle("left"),i.getStyle("top")];let s;if(n.isSameNode(o)){const e=t||new rf(o);s=[e.width+"px",e.height+"px",undefined,undefined]}else{s=[o.offsetWidth+"px",o.offsetHeight+"px",o.offsetLeft+"px",o.offsetTop+"px"]}if(Ia(r,s)!=="same"){this._options.editor.editing.view.change((t=>{t.setStyle({width:s[0],height:s[1],left:s[2],top:s[3]},i)}))}}containsHandle(t){return this._domResizerWrapper.contains(t)}static isResizeHandle(t){return t.classList.contains("ck-widget__resizer__handle")}_cleanup(){this._sizeUI.dismiss();this._sizeUI.isVisible=false;const t=this._options.editor.editing.view;t.change((t=>{t.setStyle("width",this._initialViewWidth,this._options.viewElement)}))}_proposeNewSize(t){const e=this.state;const n=Yx(t);const o=this._options.isCentered?this._options.isCentered(this):true;const i={x:e._referenceCoordinates.x-(n.x+e.originalWidth),y:n.y-e.originalHeight-e._referenceCoordinates.y};if(o&&e.activeHandlePosition.endsWith("-right")){i.x=n.x-(e._referenceCoordinates.x+e.originalWidth)}if(o){i.x*=2}const r={width:Math.abs(e.originalWidth+i.x),height:Math.abs(e.originalHeight+i.y)};r.dominant=r.width/e.aspectRatio>r.height?"width":"height";r.max=r[r.dominant];const s={width:r.width,height:r.height};if(r.dominant=="width"){s.height=s.width/e.aspectRatio}else{s.width=s.height*e.aspectRatio}return{width:Math.round(s.width),height:Math.round(s.height),widthPercents:Math.min(Math.round(e.originalWidthPercents/e.originalWidth*s.width*100)/100,100)}}_getResizeHost(){const t=this._domResizerWrapper.parentElement;return this._options.getResizeHost(t)}_getHandleHost(){const t=this._domResizerWrapper.parentElement;return this._options.getHandleHost(t)}_appendHandles(t){const e=["top-left","top-right","bottom-right","bottom-left"];for(const n of e){t.appendChild(new Ek({tag:"div",attributes:{class:`ck-widget__resizer__handle ${Jx(n)}`}}).render())}}_appendSizeUI(t){const e=new $x;e.render();this._sizeUI=e;t.appendChild(e.element)}}Hn(Ux,Tn);class $x extends yk{constructor(){super();const t=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-size-view",t.to("activeHandlePosition",(t=>t?`ck-orientation-${t}`:""))],style:{display:t.if("isVisible","none",(t=>!t))}},children:[{text:t.to("label")}]})}bindToState(t,e){this.bind("isVisible").to(e,"proposedWidth",e,"proposedHeight",((t,e)=>t!==null&&e!==null));this.bind("label").to(e,"proposedHandleHostWidth",e,"proposedHandleHostHeight",e,"proposedWidthPercents",((e,n,o)=>{if(t.unit==="px"){return`${e}×${n}`}else{return`${o}%`}}));this.bind("activeHandlePosition").to(e)}dismiss(){this.unbind();this.isVisible=false}}function Jx(t){return`ck-widget__resizer__handle-${t}`}function Yx(t){return{x:t.pageX,y:t.pageY}}function Qx(t){return t&&t.ownerDocument&&t.ownerDocument.contains(t)}var Xx=n(39);var Zx={injectType:"singletonStyleTag",attributes:{"data-cke":true}};Zx.insert="head";Zx.singleton=true;var tE=wk()(Xx["a"],Zx);var eE=Xx["a"].locals||{};class nE extends Kn{static get pluginName(){return"WidgetResize"}init(){this.set("visibleResizer",null);this.set("_activeResizer",null);this._resizers=new Map;const t=ru.window.document;this.editor.model.schema.setAttributeProperties("width",{isFormatting:true});this.editor.editing.view.addObserver(D_);this._observer=Object.create(bu);this.listenTo(this.editor.editing.view.document,"mousedown",this._mouseDownListener.bind(this),{priority:"high"});this._observer.listenTo(t,"mousemove",this._mouseMoveListener.bind(this));this._observer.listenTo(t,"mouseup",this._mouseUpListener.bind(this));const e=()=>{if(this.visibleResizer){this.visibleResizer.redraw()}};const n=lx(e,200);this.on("change:visibleResizer",e);this.editor.ui.on("update",n);this._observer.listenTo(ru.window,"resize",n);const o=this.editor.editing.view.document.selection;o.on("change",(()=>{const t=o.getSelectedElement();this.visibleResizer=this.getResizerByViewElement(t)||null}))}destroy(){this._observer.stopListening();for(const t of this._resizers.values()){t.destroy()}}attachTo(t){const e=new Ux(t);const n=this.editor.plugins;e.attach();if(n.has("WidgetToolbarRepository")){const t=n.get("WidgetToolbarRepository");e.on("begin",(()=>{t.forceDisabled("resize")}),{priority:"lowest"});e.on("cancel",(()=>{t.clearForceDisabled("resize")}),{priority:"highest"});e.on("commit",(()=>{t.clearForceDisabled("resize")}),{priority:"highest"})}this._resizers.set(t.viewElement,e);const o=this.editor.editing.view.document.selection;const i=o.getSelectedElement();if(this.getResizerByViewElement(i)==e){this.visibleResizer=e}return e}getResizerByViewElement(t){return this._resizers.get(t)}_getResizerByHandle(t){for(const e of this._resizers.values()){if(e.containsHandle(t)){return e}}}_mouseDownListener(t,e){const n=e.domTarget;if(!Ux.isResizeHandle(n)){return}this._activeResizer=this._getResizerByHandle(n);if(this._activeResizer){this._activeResizer.begin(n);t.stop();e.preventDefault()}}_mouseMoveListener(t,e){if(this._activeResizer){this._activeResizer.updateSize(e)}}_mouseUpListener(){if(this._activeResizer){this._activeResizer.commit();this._activeResizer=null}}}Hn(nE,Tn);function oE(t,e,n){e.setCustomProperty("image",true,t);return fy(t,e,{label:o});function o(){const e=lE(t);const o=e.getAttribute("alt");return o?`${o} ${n}`:n}}function iE(t){return!!t.getCustomProperty("image")&&hy(t)}function rE(t){const e=t.getSelectedElement();if(e&&iE(e)){return e}return null}function sE(t){return!!t&&t.is("element","image")}function aE(t,e={},n=null){t.change((o=>{const i=o.createElement("image",e);const r=n||Cy(t.document.selection,t);t.insertContent(i,r);if(i.parent){o.setSelection(i,"on")}}))}function cE(t){const e=t.schema;const n=t.document.selection;return dE(n,e,t)&&!Ay(n,e)&&uE(n)}function lE(t){const e=[];for(const n of t.getChildren()){e.push(n);if(n.is("element")){e.push(...n.getChildren())}}return e.find((t=>t.is("element","img")))}function dE(t,e,n){const o=hE(t,n);return e.checkChild(o,"image")}function uE(t){return[...t.focus.getAncestors()].every((t=>!t.is("element","image")))}function hE(t,e){const n=Cy(t,e);const o=n.parent;if(o.isEmpty&&!o.is("element","$root")){return o.parent}return o}const fE=new RegExp(String(/^(http(s)?:\/\/)?[\w-]+\.[\w.~:/[\]@!$&'()*+,;=%-]+/.source+/\.(jpg|jpeg|png|gif|ico|webp|JPG|JPEG|PNG|GIF|ICO|WEBP)/.source+/(\?[\w.~:/[\]@!$&'()*+,;=%-]*)?/.source+/(#[\w.~:/[\]@!$&'()*+,;=%-]*)?$/.source));class mE extends Kn{static get requires(){return[Ex,Ox]}static get pluginName(){return"AutoImage"}constructor(t){super(t);this._timeoutId=null;this._positionToInsert=null}init(){const t=this.editor;const e=t.model.document;this.listenTo(t.plugins.get("ClipboardPipeline"),"inputTransformation",(()=>{const t=e.selection.getFirstRange();const n=qp.fromPosition(t.start);n.stickiness="toPrevious";const o=qp.fromPosition(t.end);o.stickiness="toNext";e.once("change:data",(()=>{this._embedImageBetweenPositions(n,o);n.detach();o.detach()}),{priority:"high"})}));t.commands.get("undo").on("execute",(()=>{if(this._timeoutId){ru.window.clearTimeout(this._timeoutId);this._positionToInsert.detach();this._timeoutId=null;this._positionToInsert=null}}),{priority:"high"})}_embedImageBetweenPositions(t,e){const n=this.editor;const o=new om(t,e);const i=o.getWalker({ignoreElementEnd:true});let r="";for(const t of i){if(t.item.is("$textProxy")){r+=t.item.data}}r=r.trim();if(!r.match(fE)){o.detach();return}this._positionToInsert=qp.fromPosition(t);this._timeoutId=ru.window.setTimeout((()=>{const t=n.commands.get("insertImage");if(!t.isEnabled){o.detach();return}n.model.change((t=>{this._timeoutId=null;t.remove(o);o.detach();let e;if(this._positionToInsert.root.rootName!=="$graveyard"){e=this._positionToInsert.toPosition()}aE(n.model,{src:r},e);this._positionToInsert.detach();this._positionToInsert=null}))}),100)}}class gE extends jn{constructor(t,e){super(t);this._buffer=new ey(t.model,e);this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy();this._buffer.destroy()}execute(t={}){const e=this.editor.model;const n=e.document;const o=t.text||"";const i=o.length;const r=t.range?e.createSelection(t.range):n.selection;const s=t.resultRange;e.enqueueChange(this._buffer.batch,(t=>{this._buffer.lock();this._batches.add(this._buffer.batch);e.deleteContent(r);if(o){e.insertContent(t.createText(o,n.selection.getAttributes()),r)}if(s){t.setSelection(s)}else if(!r.is("documentSelection")){t.setSelection(r)}this._buffer.unlock();this._buffer.input(i)}))}}function pE(t,e){const n=[];let o=0;let i;t.forEach((t=>{if(t=="equal"){r();o++}else if(t=="insert"){if(s("insert")){i.values.push(e[o])}else{r();i={type:"insert",index:o,values:[e[o]]}}o++}else{if(s("delete")){i.howMany++}else{r();i={type:"delete",index:o,howMany:1}}}}));r();return n;function r(){if(i){n.push(i);i=null}}function s(t){return i&&i.type==t}}function bE(t){if(t.length==0){return false}for(const e of t){if(e.type==="children"&&!kE(e)){return true}}return false}function kE(t){if(t.newChildren.length-t.oldChildren.length!=1){return}const e=Ud(t.oldChildren,t.newChildren,wE);const n=pE(e,t.newChildren);if(n.length>1){return}const o=n[0];if(!(!!o.values[0]&&o.values[0].is("$text"))){return}return o}function wE(t,e){if(!!t&&t.is("$text")&&!!e&&e.is("$text")){return t.data===e.data}else{return t===e}}function CE(t){t.editing.view.document.on("mutations",((e,n,o)=>{new AE(t).handle(n,o)}))}class AE{constructor(t){this.editor=t;this.editing=this.editor.editing}handle(t,e){if(bE(t)){this._handleContainerChildrenMutations(t,e)}else{for(const n of t){this._handleTextMutation(n,e);this._handleTextNodeInsertion(n)}}}_handleContainerChildrenMutations(t,e){const n=_E(t);if(!n){return}const o=this.editor.editing.view.domConverter;const i=o.mapViewToDom(n);const r=new du(this.editor.editing.view.document);const s=this.editor.data.toModel(r.domToView(i)).getChild(0);const a=this.editor.editing.mapper.toModelElement(n);if(!a){return}const c=Array.from(s.getChildren());const l=Array.from(a.getChildren());const d=c[c.length-1];const u=l[l.length-1];const h=d&&d.is("element","softBreak");const f=u&&!u.is("element","softBreak");if(h&&f){c.pop()}const m=this.editor.model.schema;if(!vE(c,m)||!vE(l,m)){return}const g=c.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," ");const p=l.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," ");if(p===g){return}const b=Ud(p,g);const{firstChangeAt:k,insertions:w,deletions:C}=yE(b);let A=null;if(e){A=this.editing.mapper.toModelRange(e.getFirstRange())}const _=g.substr(k,w);const v=this.editor.model.createRange(this.editor.model.createPositionAt(a,k),this.editor.model.createPositionAt(a,k+C));this.editor.execute("input",{text:_,range:v,resultRange:A})}_handleTextMutation(t,e){if(t.type!="text"){return}const n=t.newText.replace(/\u00A0/g," ");const o=t.oldText.replace(/\u00A0/g," ");if(o===n){return}const i=Ud(o,n);const{firstChangeAt:r,insertions:s,deletions:a}=yE(i);let c=null;if(e){c=this.editing.mapper.toModelRange(e.getFirstRange())}const l=this.editing.view.createPositionAt(t.node,r);const d=this.editing.mapper.toModelPosition(l);const u=this.editor.model.createRange(d,d.getShiftedBy(a));const h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(t){if(t.type!="children"){return}const e=kE(t);const n=this.editing.view.createPositionAt(t.node,e.index);const o=this.editing.mapper.toModelPosition(n);const i=e.values[0].data;this.editor.execute("input",{text:i.replace(/\u00A0/g," "),range:this.editor.model.createRange(o)})}}function _E(t){const e=t.map((t=>t.node)).reduce(((t,e)=>t.getCommonAncestor(e,{includeSelf:true})));if(!e){return}return e.getAncestors({includeSelf:true,parentFirst:true}).find((t=>t.is("containerElement")||t.is("rootElement")))}function vE(t,e){return t.every((t=>e.isInline(t)))}function yE(t){let e=null;let n=null;for(let o=0;o{if(!(o.is("$text")||o.is("$textProxy"))){n=e.createPositionAfter(o);return""}return t+o.data}),"");return{text:o,range:e.createRange(n,t.end)}}class SE{constructor(t,e){this.model=t;this.testCallback=e;this.hasMatch=false;this.set("isEnabled",true);this.on("change:isEnabled",(()=>{if(this.isEnabled){this._startListening()}else{this.stopListening(t.document.selection);this.stopListening(t.document)}}));this._startListening()}_startListening(){const t=this.model;const e=t.document;this.listenTo(e.selection,"change:range",((t,{directChange:n})=>{if(!n){return}if(!e.selection.isCollapsed){if(this.hasMatch){this.fire("unmatched");this.hasMatch=false}return}this._evaluateTextBeforeSelection("selection")}));this.listenTo(e,"change:data",((t,e)=>{if(e.type=="transparent"){return}this._evaluateTextBeforeSelection("data",{batch:e})}))}_evaluateTextBeforeSelection(t,e={}){const n=this.model;const o=n.document;const i=o.selection;const r=n.createRange(n.createPositionAt(i.focus.parent,0),i.focus);const{text:s,range:a}=DE(r,n);const c=this.testCallback(s);if(!c&&this.hasMatch){this.fire("unmatched")}this.hasMatch=!!c;if(c){const n=Object.assign(e,{text:s,range:a});if(typeof c=="object"){Object.assign(n,c)}this.fire(`matched:${t}`,n)}}}Hn(SE,Tn);class BE extends Kn{static get pluginName(){return"TwoStepCaretMovement"}constructor(t){super(t);this.attributes=new Set;this._overrideUid=null}init(){const t=this.editor;const e=t.model;const n=t.editing.view;const o=t.locale;const i=e.document.selection;this.listenTo(n.document,"arrowKey",((t,e)=>{if(!i.isCollapsed){return}if(e.shiftKey||e.altKey||e.ctrlKey){return}const n=e.keyCode==td.arrowright;const r=e.keyCode==td.arrowleft;if(!n&&!r){return}const s=o.contentLanguageDirection;let a=false;if(s==="ltr"&&n||s==="rtl"&&r){a=this._handleForwardMovement(e)}else{a=this._handleBackwardMovement(e)}if(a===true){t.stop()}}),{context:"$text",priority:"highest"});this._isNextGravityRestorationSkipped=false;this.listenTo(i,"change:range",((t,e)=>{if(this._isNextGravityRestorationSkipped){this._isNextGravityRestorationSkipped=false;return}if(!this._isGravityOverridden){return}if(!e.directChange&&FE(i.getFirstPosition(),this.attributes)){return}this._restoreGravity()}))}registerAttribute(t){this.attributes.add(t)}_handleForwardMovement(t){const e=this.attributes;const n=this.editor.model;const o=n.document.selection;const i=o.getFirstPosition();if(this._isGravityOverridden){return false}if(i.isAtStart&&TE(o,e)){return false}if(FE(i,e)){IE(t);this._overrideGravity();return true}}_handleBackwardMovement(t){const e=this.attributes;const n=this.editor.model;const o=n.document.selection;const i=o.getFirstPosition();if(this._isGravityOverridden){IE(t);this._restoreGravity();PE(n,e,i);return true}else{if(i.isAtStart){if(TE(o,e)){IE(t);PE(n,e,i);return true}return false}if(RE(i,e)){if(i.isAtEnd&&!TE(o,e)&&FE(i,e)){IE(t);PE(n,e,i);return true}this._isNextGravityRestorationSkipped=true;this._overrideGravity();return false}}}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change((t=>t.overrideSelectionGravity()))}_restoreGravity(){this.editor.model.change((t=>{t.restoreSelectionGravity(this._overrideUid);this._overrideUid=null}))}}function TE(t,e){for(const n of e){if(t.hasAttribute(n)){return true}}return false}function PE(t,e,n){const o=n.nodeBefore;t.change((t=>{if(o){t.setSelectionAttribute(o.getAttributes())}else{t.removeSelectionAttribute(e)}}))}function IE(t){t.preventDefault()}function RE(t,e){const n=t.getShiftedBy(-1);return FE(n,e)}function FE(t,e){const{nodeBefore:n,nodeAfter:o}=t;for(const t of e){const e=n?n.getAttribute(t):undefined;const i=o?o.getAttribute(t):undefined;if(i!==e){return true}}return false}var zE=/[\\^$.*+?()[\]{}|]/g,OE=RegExp(zE.source);function NE(t){t=kc(t);return t&&OE.test(t)?t.replace(zE,"\\$&"):t}var ME=NE;const VE={copyright:{from:"(c)",to:"©"},registeredTrademark:{from:"(r)",to:"®"},trademark:{from:"(tm)",to:"™"},oneHalf:{from:"1/2",to:"½"},oneThird:{from:"1/3",to:"⅓"},twoThirds:{from:"2/3",to:"⅔"},oneForth:{from:"1/4",to:"¼"},threeQuarters:{from:"3/4",to:"¾"},lessThanOrEqual:{from:"<=",to:"≤"},greaterThanOrEqual:{from:">=",to:"≥"},notEqual:{from:"!=",to:"≠"},arrowLeft:{from:"<-",to:"←"},arrowRight:{from:"->",to:"→"},horizontalEllipsis:{from:"...",to:"…"},enDash:{from:/(^| )(--)( )$/,to:[null,"–",null]},emDash:{from:/(^| )(---)( )$/,to:[null,"—",null]},quotesPrimary:{from:GE('"'),to:[null,"“",null,"”"]},quotesSecondary:{from:GE("'"),to:[null,"‘",null,"’"]},quotesPrimaryEnGb:{from:GE("'"),to:[null,"‘",null,"’"]},quotesSecondaryEnGb:{from:GE('"'),to:[null,"“",null,"”"]},quotesPrimaryPl:{from:GE('"'),to:[null,"„",null,"”"]},quotesSecondaryPl:{from:GE("'"),to:[null,"‚",null,"’"]}};const LE={symbols:["copyright","registeredTrademark","trademark"],mathematical:["oneHalf","oneThird","twoThirds","oneForth","threeQuarters","lessThanOrEqual","greaterThanOrEqual","notEqual","arrowLeft","arrowRight"],typography:["horizontalEllipsis","enDash","emDash"],quotes:["quotesPrimary","quotesSecondary"]};const HE=["symbols","mathematical","typography","quotes"];class KE extends Kn{static get pluginName(){return"TextTransformation"}constructor(t){super(t);t.config.define("typing",{transformations:{include:HE}})}init(){const t=this.editor.model;const e=t.document.selection;e.on("change:range",(()=>{this.isEnabled=!e.anchor.parent.is("element","codeBlock")}));this._enableTransformationWatchers()}_enableTransformationWatchers(){const t=this.editor;const e=t.model;const n=t.plugins.get("Input");const o=UE(t.config.get("typing.transformations"));const i=t=>{for(const e of o){const n=e.from;const o=n.test(t);if(o){return{normalizedTransformation:e}}}};const r=(t,o)=>{if(!n.isInput(o.batch)){return}const{from:i,to:r}=o.normalizedTransformation;const s=i.exec(o.text);const a=r(s.slice(1));const c=o.range;let l=s.index;e.enqueueChange((t=>{for(let n=1;n[t]}else if(t instanceof Array){return()=>t}return t}function WE(t){const e=t.textNode?t.textNode:t.nodeAfter;return e.getAttributes()}function GE(t){return new RegExp(`(^|\\s)(${t})([^${t}]*)(${t})$`)}function UE(t){const e=t.extra||[];const n=t.remove||[];const o=t=>!n.includes(t);const i=t.include.concat(e).filter(o);return $E(i).filter(o).map((t=>VE[t]||t)).map((t=>({from:qE(t.from),to:jE(t.to)})))}function $E(t){const e=new Set;for(const n of t){if(LE[n]){for(const t of LE[n]){e.add(t)}}else{e.add(n)}}return Array.from(e)}function JE(t,e,n,o){return o.createRange(YE(t,e,n,true,o),YE(t,e,n,false,o))}function YE(t,e,n,o,i){let r=t.textNode||(o?t.nodeBefore:t.nodeAfter);let s=null;while(r&&r.getAttribute(e)==n){s=r;r=o?r.previousSibling:r.nextSibling}return s?i.createPositionAt(s,o?"before":"after"):t}function QE(t,e,n,o){const i=t.editing.view;const r=new Set;i.document.registerPostFixer((i=>{const s=t.model.document.selection;let a=false;if(s.hasAttribute(e)){const c=JE(s.getFirstPosition(),e,s.getAttribute(e),t.model);const l=t.editing.mapper.toViewRange(c);for(const t of l.getItems()){if(t.is("element",n)&&!t.hasClass(o)){i.addClass(o,t);r.add(t);a=true}}}return a}));t.conversion.for("editingDowncast").add((t=>{t.on("insert",e,{priority:"highest"});t.on("remove",e,{priority:"highest"});t.on("attribute",e,{priority:"highest"});t.on("selection",e,{priority:"highest"});function e(){i.change((t=>{for(const e of r.values()){t.removeClass(o,e);r.delete(e)}}))}}))}function XE(t,e,n){var o=t.length;n=n===undefined?o:n;return!e&&n>=o?t:Bc(t,e,n)}var ZE=XE;var tD="\\ud800-\\udfff",eD="\\u0300-\\u036f",nD="\\ufe20-\\ufe2f",oD="\\u20d0-\\u20ff",iD=eD+nD+oD,rD="\\ufe0e\\ufe0f";var sD="\\u200d";var aD=RegExp("["+sD+tD+iD+rD+"]");function cD(t){return aD.test(t)}var lD=cD;function dD(t){return t.split("")}var uD=dD;var hD="\\ud800-\\udfff",fD="\\u0300-\\u036f",mD="\\ufe20-\\ufe2f",gD="\\u20d0-\\u20ff",pD=fD+mD+gD,bD="\\ufe0e\\ufe0f";var kD="["+hD+"]",wD="["+pD+"]",CD="\\ud83c[\\udffb-\\udfff]",AD="(?:"+wD+"|"+CD+")",_D="[^"+hD+"]",vD="(?:\\ud83c[\\udde6-\\uddff]){2}",yD="[\\ud800-\\udbff][\\udc00-\\udfff]",xD="\\u200d";var ED=AD+"?",DD="["+bD+"]?",SD="(?:"+xD+"(?:"+[_D,vD,yD].join("|")+")"+DD+ED+")*",BD=DD+ED+SD,TD="(?:"+[_D+wD+"?",wD,vD,yD,kD].join("|")+")";var PD=RegExp(CD+"(?="+CD+")|"+TD+BD,"g");function ID(t){return t.match(PD)||[]}var RD=ID;function FD(t){return lD(t)?RD(t):uD(t)}var zD=FD;function OD(t){return function(e){e=kc(e);var n=lD(e)?zD(e):undefined;var o=n?n[0]:e.charAt(0);var i=n?ZE(n,1).join(""):e.slice(1);return o[t]()+i}}var ND=OD;var MD=ND("toUpperCase");var VD=MD;const LD=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g;const HD=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;const KD=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i;const qD=/^((\w+:(\/{2,})?)|(\W))/i;const jD="Ctrl+K";function WD(t){return t.is("attributeElement")&&!!t.getCustomProperty("link")}function GD(t,{writer:e}){const n=e.createAttributeElement("a",{href:t},{priority:5});e.setCustomProperty("link",true,n);return n}function UD(t){t=String(t);return $D(t)?t:"#"}function $D(t){const e=t.replace(LD,"");return e.match(HD)}function JD(t,e){const n={"Open in a new tab":t("Open in a new tab"),Downloadable:t("Downloadable")};e.forEach((t=>{if(t.label&&n[t.label]){t.label=n[t.label]}return t}));return e}function YD(t){const e=[];if(t){for(const[n,o]of Object.entries(t)){const t=Object.assign({},o,{id:`link${VD(n)}`});e.push(t)}}return e}function QD(t,e){if(!t){return false}return t.is("element","image")&&e.checkAttribute("image","linkHref")}function XD(t){return KD.test(t)}function ZD(t,e){const n=XD(t)?"mailto:":e;const o=!!n&&!qD.test(t);return t&&o?n+t:t}const tS=4;const eS=new RegExp("(^|\\s)"+"("+"("+"(?:(?:(?:https?|ftp):)?\\/\\/)"+"(?:\\S+(?::\\S*)?@)?"+"(?:"+"(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])"+"(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}"+"(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))"+"|"+"("+"((?!www\\.)|(www\\.))"+"(?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.)+"+"(?:[a-z\\u00a1-\\uffff]{2,63})"+")"+")"+"(?::\\d{2,5})?"+"(?:[/?#]\\S*)?"+")"+"|"+"("+"(www.|(\\S+@))"+"((?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.))+"+"(?:[a-z\\u00a1-\\uffff]{2,63})"+")"+")$","i");const nS=2;class oS extends Kn{static get pluginName(){return"AutoLink"}init(){const t=this.editor;const e=t.model.document.selection;e.on("change:range",(()=>{this.isEnabled=!e.anchor.parent.is("element","codeBlock")}));this._enableTypingHandling()}afterInit(){this._enableEnterHandling();this._enableShiftEnterHandling()}_enableTypingHandling(){const t=this.editor;const e=new SE(t.model,(t=>{if(!iS(t)){return}const e=rS(t.substr(0,t.length-1));if(e){return{url:e}}}));const n=t.plugins.get("Input");e.on("matched:data",((e,o)=>{const{batch:i,range:r,url:s}=o;if(!n.isInput(i)){return}const a=r.end.getShiftedBy(-1);const c=a.getShiftedBy(-s.length);const l=t.model.createRange(c,a);this._applyAutoLink(s,l)}));e.bind("isEnabled").to(this)}_enableEnterHandling(){const t=this.editor;const e=t.model;const n=t.commands.get("enter");if(!n){return}n.on("execute",(()=>{const t=e.document.selection.getFirstPosition();if(!t.parent.previousSibling){return}const n=e.createRangeIn(t.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(n)}))}_enableShiftEnterHandling(){const t=this.editor;const e=t.model;const n=t.commands.get("shiftEnter");if(!n){return}n.on("execute",(()=>{const t=e.document.selection.getFirstPosition();const n=e.createRange(e.createPositionAt(t.parent,0),t.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(n)}))}_checkAndApplyAutoLinkOnRange(t){const e=this.editor.model;const{text:n,range:o}=DE(t,e);const i=rS(n);if(i){const t=e.createRange(o.end.getShiftedBy(-i.length),o.end);this._applyAutoLink(i,t)}}_applyAutoLink(t,e){const n=this.editor.model;if(!this.isEnabled||!sS(e,n)){return}n.enqueueChange((n=>{const o=this.editor.config.get("link.defaultProtocol");const i=ZD(t,o);n.setAttribute("linkHref",i,e)}))}}function iS(t){return t.length>tS&&t[t.length-1]===" "&&t[t.length-2]!==" "}function rS(t){const e=eS.exec(t);return e?e[nS]:null}function sS(t,e){return e.schema.checkAttributeInSelection(e.createSelection(t),"linkHref")}class aS extends Kn{static get pluginName(){return"Autosave"}static get requires(){return[Lb]}constructor(t){super(t);const e=t.config.get("autosave")||{};const n=e.waitingTime||1e3;this.set("state","synchronized");this._debouncedSave=qh(this._save.bind(this),n);this._lastDocumentVersion=t.model.document.version;this._domEmitter=Object.create(bu);this._config=e}init(){const t=this.editor;const e=t.model.document;const n=t.t;this._pendingActions=t.plugins.get(Lb);this.listenTo(e,"change:data",(()=>{if(!this._saveCallbacks.length){return}if(this.state=="synchronized"){this._action=this._pendingActions.add(n("Saving changes"));this.state="waiting";this._debouncedSave()}else if(this.state=="waiting"){this._debouncedSave()}}));this.listenTo(t,"destroy",(()=>this._flush()),{priority:"highest"});this._domEmitter.listenTo(window,"beforeunload",((t,e)=>{if(this._pendingActions.hasAny){e.returnValue=this._pendingActions.first.message}}))}destroy(){this._domEmitter.stopListening();super.destroy()}_flush(){this._debouncedSave.flush()}_save(){const t=this.editor.model.document.version;if(tPromise.all(this._saveCallbacks.map((t=>t(this.editor)))))).catch((t=>{this.state="error";this.state="saving";this._debouncedSave();throw t})).then((()=>{if(this.editor.model.document.version>this._lastDocumentVersion){this.state="waiting";this._debouncedSave()}else{this.state="synchronized";this._pendingActions.remove(this._action);this._action=null}}))}get _saveCallbacks(){const t=[];if(this.adapter&&this.adapter.save){t.push(this.adapter.save)}if(this._config.save){t.push(this._config.save)}return t}}Hn(aS,Tn);class cS extends jn{execute(){const t=this.editor.model;const e=t.document;t.change((n=>{dS(t,n,e.selection);this.fire("afterExecute",{writer:n})}))}refresh(){const t=this.editor.model;const e=t.document;this.isEnabled=lS(t.schema,e.selection)}}function lS(t,e){if(e.rangeCount>1){return false}const n=e.anchor;if(!n||!t.checkChild(n,"softBreak")){return false}const o=e.getFirstRange();const i=o.start.parent;const r=o.end.parent;if((hS(i,t)||hS(r,t))&&i!==r){return false}return true}function dS(t,e,n){const o=n.isCollapsed;const i=n.getFirstRange();const r=i.start.parent;const s=i.end.parent;const a=r==s;if(o){const o=Jv(t.schema,n.getAttributes());uS(t,e,i.end);e.removeSelectionAttribute(n.getAttributeKeys());e.setSelectionAttribute(o)}else{const o=!(i.start.isAtStart&&i.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:o});if(a){uS(t,e,n.focus)}else{if(o){e.setSelection(s,0)}}}}function uS(t,e,n){const o=e.createElement("softBreak");t.insertContent(o,n);e.setSelection(o,"after")}function hS(t,e){if(t.is("rootElement")){return false}return e.isLimit(t)||hS(t.parent,e)}class fS extends Kn{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor;const e=t.model.schema;const n=t.conversion;const o=t.editing.view;const i=o.document;e.register("softBreak",{allowWhere:"$text",isInline:true});n.for("upcast").elementToElement({model:"softBreak",view:"br"});n.for("downcast").elementToElement({model:"softBreak",view:(t,{writer:e})=>e.createEmptyElement("br")});o.addObserver(Zv);t.commands.add("shiftEnter",new cS(t));this.listenTo(i,"enter",((e,n)=>{n.preventDefault();if(!n.isSoft){return}t.execute("shiftEnter");o.scrollToTheSelection()}),{priority:"low"})}}class mS extends jn{refresh(){this.value=this._getValue();this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model;const n=e.schema;const o=e.document.selection;const i=Array.from(o.getSelectedBlocks());const r=t.forceValue===undefined?!this.value:t.forceValue;e.change((t=>{if(!r){this._removeQuote(t,i.filter(gS))}else{const e=i.filter((t=>gS(t)||bS(n,t)));this._applyQuote(t,e)}}))}_getValue(){const t=this.editor.model.document.selection;const e=ff(t.getSelectedBlocks());return!!(e&&gS(e))}_checkEnabled(){if(this.value){return true}const t=this.editor.model.document.selection;const e=this.editor.model.schema;const n=ff(t.getSelectedBlocks());if(!n){return false}return bS(e,n)}_removeQuote(t,e){pS(t,e).reverse().forEach((e=>{if(e.start.isAtStart&&e.end.isAtEnd){t.unwrap(e.start.parent);return}if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);t.move(e,n);return}if(!e.end.isAtEnd){t.split(e.end)}const n=t.createPositionAfter(e.end.parent);t.move(e,n)}))}_applyQuote(t,e){const n=[];pS(t,e).reverse().forEach((e=>{let o=gS(e.start);if(!o){o=t.createElement("blockQuote");t.wrap(e,o)}n.push(o)}));n.reverse().reduce(((e,n)=>{if(e.nextSibling==n){t.merge(t.createPositionAfter(e));return e}return n}))}}function gS(t){return t.parent.name=="blockQuote"?t.parent:null}function pS(t,e){let n;let o=0;const i=[];while(o{if(t.endsWith("blockQuote")&&e.name=="blockQuote"){return false}}));t.conversion.elementToElement({model:"blockQuote",view:"blockquote"});t.model.document.registerPostFixer((n=>{const o=t.model.document.differ.getChanges();for(const t of o){if(t.type=="insert"){const o=t.position.nodeAfter;if(!o){continue}if(o.is("element","blockQuote")&&o.isEmpty){n.remove(o);return true}else if(o.is("element","blockQuote")&&!e.checkChild(t.position,o)){n.unwrap(o);return true}else if(o.is("element")){const t=n.createRangeIn(o);for(const o of t.getItems()){if(o.is("element","blockQuote")&&!e.checkChild(n.createPositionBefore(o),o)){n.unwrap(o);return true}}}}else if(t.type=="remove"){const e=t.position.parent;if(e.is("element","blockQuote")&&e.isEmpty){n.remove(e);return true}}}return false}));const n=this.editor.editing.view.document;const o=t.model.document.selection;const i=t.commands.get("blockQuote");this.listenTo(n,"enter",((e,n)=>{if(!o.isCollapsed||!i.value){return}const r=o.getLastPosition().parent;if(r.isEmpty){t.execute("blockQuote");t.editing.view.scrollToTheSelection();n.preventDefault();e.stop()}}),{context:"blockquote"});this.listenTo(n,"delete",((e,n)=>{if(n.direction!="backward"||!o.isCollapsed||!i.value){return}const r=o.getLastPosition().parent;if(r.isEmpty&&!r.previousSibling){t.execute("blockQuote");t.editing.view.scrollToTheSelection();n.preventDefault();e.stop()}}),{context:"blockquote"})}}var wS=n(40);var CS={injectType:"singletonStyleTag",attributes:{"data-cke":true}};CS.insert="head";CS.singleton=true;var AS=wk()(wS["a"],CS);var _S=wS["a"].locals||{};class vS extends Kn{static get pluginName(){return"BlockQuoteUI"}init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("blockQuote",(n=>{const o=t.commands.get("blockQuote");const i=new fw(n);i.set({label:e("Block quote"),icon:hk.quote,tooltip:true,isToggleable:true});i.bind("isOn","isEnabled").to(o,"value","isEnabled");this.listenTo(i,"execute",(()=>{t.execute("blockQuote");t.editing.view.focus()}));return i}))}}class yS extends Kn{static get requires(){return[kS,vS]}static get pluginName(){return"BlockQuote"}}class xS extends jn{constructor(t,e){super(t);this.attributeKey=e}refresh(){const t=this.editor.model;const e=t.document;this.value=this._getValueFromFirstAllowedNode();this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model;const n=e.document;const o=n.selection;const i=t.forceValue===undefined?!this.value:t.forceValue;e.change((t=>{if(o.isCollapsed){if(i){t.setSelectionAttribute(this.attributeKey,true)}else{t.removeSelectionAttribute(this.attributeKey)}}else{const n=e.schema.getValidRanges(o.getRanges(),this.attributeKey);for(const e of n){if(i){t.setAttribute(this.attributeKey,i,e)}else{t.removeAttribute(this.attributeKey,e)}}}}))}_getValueFromFirstAllowedNode(){const t=this.editor.model;const e=t.schema;const n=t.document.selection;if(n.isCollapsed){return n.hasAttribute(this.attributeKey)}for(const t of n.getRanges()){for(const n of t.getItems()){if(e.checkAttribute(n,this.attributeKey)){return n.hasAttribute(this.attributeKey)}}}return false}}const ES="bold";class DS extends Kn{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:ES});t.model.schema.setAttributeProperties(ES,{isFormatting:true,copyOnEnter:true});t.conversion.attributeToElement({model:ES,view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");if(!e){return null}if(e=="bold"||Number(e)>=600){return{name:true,styles:["font-weight"]}}}]});t.commands.add(ES,new xS(t,ES));t.keystrokes.set("CTRL+B",ES)}}var SS=' ';const BS="bold";class TS extends Kn{static get pluginName(){return"BoldUI"}init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(BS,(n=>{const o=t.commands.get(BS);const i=new fw(n);i.set({label:e("Bold"),icon:SS,keystroke:"CTRL+B",tooltip:true,isToggleable:true});i.bind("isOn","isEnabled").to(o,"value","isEnabled");this.listenTo(i,"execute",(()=>{t.execute(BS);t.editing.view.focus()}));return i}))}}class PS extends Kn{static get requires(){return[DS,TS]}static get pluginName(){return"Bold"}}class IS extends jn{execute(){const t=this.editor.model;const e=t.document.selection;let n=t.schema.getLimitElement(e);if(e.containsEntireContent(n)||!RS(t.schema,n)){do{n=n.parent;if(!n){return}}while(!RS(t.schema,n))}t.change((t=>{t.setSelection(n,"in")}))}}function RS(t,e){return t.isLimit(e)&&(t.checkChild(e,"$text")||t.checkChild(e,"paragraph"))}const FS=od("Ctrl+A");class zS extends Kn{static get pluginName(){return"SelectAllEditing"}init(){const t=this.editor;const e=t.editing.view;const n=e.document;t.commands.add("selectAll",new IS(t));this.listenTo(n,"keydown",((e,n)=>{if(nd(n)===FS){t.execute("selectAll");n.preventDefault()}}))}}var OS=' ';class NS extends Kn{static get pluginName(){return"SelectAllUI"}init(){const t=this.editor;t.ui.componentFactory.add("selectAll",(e=>{const n=t.commands.get("selectAll");const o=new fw(e);const i=e.t;o.set({label:i("Select all"),icon:OS,keystroke:"Ctrl+A",tooltip:true});o.bind("isOn","isEnabled").to(n,"value","isEnabled");this.listenTo(o,"execute",(()=>{t.execute("selectAll");t.editing.view.focus()}));return o}))}}class MS extends Kn{static get requires(){return[zS,NS]}static get pluginName(){return"SelectAll"}}class VS extends Kn{static get requires(){return[Ex,ty,MS,fS,EE,Ox]}static get pluginName(){return"Essentials"}}class LS extends jn{constructor(t,e){super(t);this.attributeKey=e}refresh(){const t=this.editor.model;const e=t.document;this.value=e.selection.getAttribute(this.attributeKey);this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model;const n=e.document;const o=n.selection;const i=t.value;e.change((t=>{if(o.isCollapsed){if(i){t.setSelectionAttribute(this.attributeKey,i)}else{t.removeSelectionAttribute(this.attributeKey)}}else{const n=e.schema.getValidRanges(o.getRanges(),this.attributeKey);for(const e of n){if(i){t.setAttribute(this.attributeKey,i,e)}else{t.removeAttribute(this.attributeKey,e)}}}}))}}class HS extends ka{constructor(t){super(t);this.set("isEmpty",true);this.on("change",(()=>{this.set("isEmpty",this.length===0)}))}add(t,e){if(this.find((e=>e.color===t.color))){return}super.add(t,e)}hasColor(t){return!!this.find((e=>e.color===t))}}Hn(HS,Tn);var KS=n(41);var qS={injectType:"singletonStyleTag",attributes:{"data-cke":true}};qS.insert="head";qS.singleton=true;var jS=wk()(KS["a"],qS);var WS=KS["a"].locals||{};class GS extends yk{constructor(t,{colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){super(t);this.items=this.createCollection();this.colorDefinitions=e;this.focusTracker=new mf;this.keystrokes=new gf;this.set("selectedColor");this.removeButtonLabel=o;this.columns=n;this.documentColors=new HS;this.documentColorsCount=r;this._focusCycler=new yw({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}});this._documentColorsLabel=i;this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-table"]},children:this.items});this.items.add(this._removeColorButton())}updateDocumentColors(t,e){const n=t.document;const o=this.documentColorsCount;this.documentColors.clear();for(const i of n.getRootNames()){const r=n.getRoot(i);const s=t.createRangeIn(r);for(const t of s.getItems()){if(t.is("$textProxy")&&t.hasAttribute(e)){this._addColorToDocumentColors(t.getAttribute(e));if(this.documentColors.length>=o){return}}}}}updateSelectedColors(){const t=this.documentColorsGrid;const e=this.staticColorsGrid;const n=this.selectedColor;e.selectedColor=n;if(t){t.selectedColor=n}}render(){super.render();for(const t of this.items){this.focusTracker.add(t.element)}this.keystrokes.listenTo(this.element)}appendGrids(){if(this.staticColorsGrid){return}this.staticColorsGrid=this._createStaticColorsGrid();this.items.add(this.staticColorsGrid);if(this.documentColorsCount){const t=Ek.bind(this.documentColors,this.documentColors);const e=new HC(this.locale);e.text=this._documentColorsLabel;e.extendTemplate({attributes:{class:["ck","ck-color-grid__label",t.if("isEmpty","ck-hidden")]}});this.items.add(e);this.documentColorsGrid=this._createDocumentColorsGrid();this.items.add(this.documentColorsGrid)}}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}_removeColorButton(){const t=new fw;t.set({withText:true,icon:hk.eraser,tooltip:true,label:this.removeButtonLabel});t.class="ck-color-table__remove-color";t.on("execute",(()=>{this.fire("execute",{value:null})}));return t}_createStaticColorsGrid(){const t=new Tw(this.locale,{colorDefinitions:this.colorDefinitions,columns:this.columns});t.delegate("execute").to(this);return t}_createDocumentColorsGrid(){const t=Ek.bind(this.documentColors,this.documentColors);const e=new Tw(this.locale,{columns:this.columns});e.delegate("execute").to(this);e.extendTemplate({attributes:{class:t.if("isEmpty","ck-hidden")}});e.items.bindTo(this.documentColors).using((t=>{const e=new vw;e.set({color:t.color,hasBorder:t.options&&t.options.hasBorder});if(t.label){e.set({label:t.label,tooltip:true})}e.on("execute",(()=>{this.fire("execute",{value:t.color})}));return e}));this.documentColors.on("change:isEmpty",((t,n,o)=>{if(o){e.selectedColor=null}}));return e}_addColorToDocumentColors(t){const e=this.colorDefinitions.find((e=>e.color===t));if(!e){this.documentColors.add({color:t,label:t,options:{hasBorder:false}})}else{this.documentColors.add(Object.assign({},e))}}}const US="fontSize";const $S="fontFamily";const JS="fontColor";const YS="fontBackgroundColor";function QS(t,e){const n={model:{key:t,values:[]},view:{},upcastAlso:{}};for(const t of e){n.model.values.push(t.model);n.view[t.model]=t.view;if(t.upcastAlso){n.upcastAlso[t.model]=t.upcastAlso}}return n}function XS(t){return e=>eB(e.getStyle(t))}function ZS(t){return(e,{writer:n})=>n.createAttributeElement("span",{style:`${t}:${e}`},{priority:7})}function tB({dropdownView:t,colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){const s=t.locale;const a=new GS(s,{colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r});t.colorTableView=a;t.panelView.children.add(a);a.delegate("execute").to(t,"execute");return a}function eB(t){return t.replace(/\s/g,"")}class nB extends LS{constructor(t){super(t,JS)}}class oB extends Kn{static get pluginName(){return"FontColorEditing"}constructor(t){super(t);t.config.define(JS,{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:true},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5});t.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{color:/[\s\S]+/}},model:{key:JS,value:XS("color")}});t.conversion.for("upcast").elementToAttribute({view:{name:"font",attributes:{color:/^#?\w+$/}},model:{key:JS,value:t=>t.getAttribute("color")}});t.conversion.for("downcast").attributeToElement({model:JS,view:ZS("color")});t.commands.add(JS,new nB(t));t.model.schema.extend("$text",{allowAttributes:JS});t.model.schema.setAttributeProperties(JS,{isFormatting:true,copyOnEnter:true})}}class iB extends Kn{constructor(t,{commandName:e,icon:n,componentName:o,dropdownLabel:i}){super(t);this.commandName=e;this.componentName=o;this.icon=n;this.dropdownLabel=i;this.columns=t.config.get(`${this.componentName}.columns`);this.colorTableView=undefined}init(){const t=this.editor;const e=t.locale;const n=e.t;const o=t.commands.get(this.commandName);const i=Cw(t.config.get(this.componentName).colors);const r=ww(e,i);const s=t.config.get(`${this.componentName}.documentColors`);t.ui.componentFactory.add(this.componentName,(e=>{const i=xC(e);this.colorTableView=tB({dropdownView:i,colors:r.map((t=>({label:t.label,color:t.model,options:{hasBorder:t.hasBorder}}))),columns:this.columns,removeButtonLabel:n("Remove color"),documentColorsLabel:s!==0?n("Document colors"):undefined,documentColorsCount:s===undefined?this.columns:s});this.colorTableView.bind("selectedColor").to(o,"value");i.buttonView.set({label:this.dropdownLabel,icon:this.icon,tooltip:true});i.extendTemplate({attributes:{class:"ck-color-ui-dropdown"}});i.bind("isEnabled").to(o);i.on("execute",((e,n)=>{t.execute(this.commandName,n);t.editing.view.focus()}));i.on("change:isOpen",((e,n,o)=>{i.colorTableView.appendGrids();if(o){if(s!==0){this.colorTableView.updateDocumentColors(t.model,this.componentName)}this.colorTableView.updateSelectedColors()}}));return i}))}}var rB=' ';class sB extends iB{constructor(t){const e=t.locale.t;super(t,{commandName:JS,componentName:JS,icon:rB,dropdownLabel:e("Font Color")})}static get pluginName(){return"FontColorUI"}}class aB extends Kn{static get requires(){return[oB,sB]}static get pluginName(){return"FontColor"}}class cB extends LS{constructor(t){super(t,$S)}}function lB(t){return t.map(dB).filter((t=>!!t))}function dB(t){if(typeof t==="object"){return t}if(t==="default"){return{title:"Default",model:undefined}}if(typeof t!=="string"){return}return uB(t)}function uB(t){const e=t.replace(/"|'/g,"").split(",");const n=e[0];const o=e.map(hB).join(", ");return{title:n,model:o,view:{name:"span",styles:{"font-family":o},priority:7}}}function hB(t){t=t.trim();if(t.indexOf(" ")>0){t=`'${t}'`}return t}class fB extends Kn{static get pluginName(){return"FontFamilyEditing"}constructor(t){super(t);t.config.define($S,{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"],supportAllValues:false})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:$S});t.model.schema.setAttributeProperties($S,{isFormatting:true,copyOnEnter:true});const e=lB(t.config.get("fontFamily.options")).filter((t=>t.model));const n=QS($S,e);if(t.config.get("fontFamily.supportAllValues")){this._prepareAnyValueConverters();this._prepareCompatibilityConverter()}else{t.conversion.attributeToElement(n)}t.commands.add($S,new cB(t))}_prepareAnyValueConverters(){const t=this.editor;t.conversion.for("downcast").attributeToElement({model:$S,view:(t,{writer:e})=>e.createAttributeElement("span",{style:"font-family:"+t},{priority:7})});t.conversion.for("upcast").elementToAttribute({model:{key:$S,value:t=>t.getStyle("font-family")},view:{name:"span",styles:{"font-family":/.*/}}})}_prepareCompatibilityConverter(){const t=this.editor;t.conversion.for("upcast").elementToAttribute({view:{name:"font",attributes:{face:/.*/}},model:{key:$S,value:t=>t.getAttribute("face")}})}}var mB=' ';class gB extends Kn{static get pluginName(){return"FontFamilyUI"}init(){const t=this.editor;const e=t.t;const n=this._getLocalizedOptions();const o=t.commands.get($S);t.ui.componentFactory.add($S,(i=>{const r=xC(i);DC(r,pB(n,o));r.buttonView.set({label:e("Font Family"),icon:mB,tooltip:true});r.extendTemplate({attributes:{class:"ck-font-family-dropdown"}});r.bind("isEnabled").to(o);this.listenTo(r,"execute",(e=>{t.execute(e.source.commandName,{value:e.source.commandParam});t.editing.view.focus()}));return r}))}_getLocalizedOptions(){const t=this.editor;const e=t.t;const n=lB(t.config.get($S).options);return n.map((t=>{if(t.title==="Default"){t.title=e("Default")}return t}))}}function pB(t,e){const n=new ka;for(const o of t){const t={type:"button",model:new dA({commandName:$S,commandParam:o.model,label:o.title,withText:true})};t.model.bind("isOn").to(e,"value",(t=>{if(t===o.model){return true}if(!t||!o.model){return false}return t.split(",")[0].replace(/'/g,"").toLowerCase()===o.model.toLowerCase()}));if(o.view&&o.view.styles){t.model.set("labelStyle",`font-family: ${o.view.styles["font-family"]}`)}n.add(t)}return n}class bB extends Kn{static get requires(){return[fB,gB]}static get pluginName(){return"FontFamily"}}class kB extends LS{constructor(t){super(t,US)}}function wB(t){return t.map((t=>AB(t))).filter((t=>!!t))}const CB={get tiny(){return{title:"Tiny",model:"tiny",view:{name:"span",classes:"text-tiny",priority:7}}},get small(){return{title:"Small",model:"small",view:{name:"span",classes:"text-small",priority:7}}},get big(){return{title:"Big",model:"big",view:{name:"span",classes:"text-big",priority:7}}},get huge(){return{title:"Huge",model:"huge",view:{name:"span",classes:"text-huge",priority:7}}}};function AB(t){if(xB(t)){return vB(t)}const e=yB(t);if(e){return vB(e)}if(t==="default"){return{model:undefined,title:"Default"}}if(EB(t)){return}return _B(t)}function _B(t){if(typeof t==="number"||typeof t==="string"){t={title:String(t),model:`${parseFloat(t)}px`}}t.view={name:"span",styles:{"font-size":t.model}};return vB(t)}function vB(t){if(!t.view.priority){t.view.priority=7}return t}function yB(t){return CB[t]||CB[t.model]}function xB(t){return typeof t==="object"&&t.title&&t.model&&t.view}function EB(t){let e;if(typeof t==="object"){if(!t.model){throw new u["a"]("font-size-invalid-definition",null,t)}else{e=parseFloat(t.model)}}else{e=parseFloat(t)}return isNaN(e)}const DB=["x-small","x-small","small","medium","large","x-large","xx-large","xxx-large"];class SB extends Kn{static get pluginName(){return"FontSizeEditing"}constructor(t){super(t);t.config.define(US,{options:["tiny","small","default","big","huge"],supportAllValues:false})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:US});t.model.schema.setAttributeProperties(US,{isFormatting:true,copyOnEnter:true});const e=t.config.get("fontSize.supportAllValues");const n=wB(this.editor.config.get("fontSize.options")).filter((t=>t.model));const o=QS(US,n);if(e){this._prepareAnyValueConverters(o);this._prepareCompatibilityConverter()}else{t.conversion.attributeToElement(o)}t.commands.add(US,new kB(t))}_prepareAnyValueConverters(t){const e=this.editor;const n=t.model.values.filter((t=>!V_(String(t))&&!H_(String(t))));if(n.length){throw new u["a"]("font-size-invalid-use-of-named-presets",null,{presets:n})}e.conversion.for("downcast").attributeToElement({model:US,view:(t,{writer:e})=>{if(!t){return}return e.createAttributeElement("span",{style:"font-size:"+t},{priority:7})}});e.conversion.for("upcast").elementToAttribute({model:{key:US,value:t=>t.getStyle("font-size")},view:{name:"span",styles:{"font-size":/.*/}}})}_prepareCompatibilityConverter(){const t=this.editor;t.conversion.for("upcast").elementToAttribute({view:{name:"font",attributes:{size:/^[+-]?\d{1,3}$/}},model:{key:US,value:t=>{const e=t.getAttribute("size");const n=e[0]==="-"||e[0]==="+";let o=parseInt(e,10);if(n){o=3+o}const i=DB.length-1;const r=Math.min(Math.max(o,0),i);return DB[r]}}})}}var BB=' ';var TB=n(42);var PB={injectType:"singletonStyleTag",attributes:{"data-cke":true}};PB.insert="head";PB.singleton=true;var IB=wk()(TB["a"],PB);var RB=TB["a"].locals||{};class FB extends Kn{static get pluginName(){return"FontSizeUI"}init(){const t=this.editor;const e=t.t;const n=this._getLocalizedOptions();const o=t.commands.get(US);t.ui.componentFactory.add(US,(i=>{const r=xC(i);DC(r,zB(n,o));r.buttonView.set({label:e("Font Size"),icon:BB,tooltip:true});r.extendTemplate({attributes:{class:["ck-font-size-dropdown"]}});r.bind("isEnabled").to(o);this.listenTo(r,"execute",(e=>{t.execute(e.source.commandName,{value:e.source.commandParam});t.editing.view.focus()}));return r}))}_getLocalizedOptions(){const t=this.editor;const e=t.t;const n={Default:e("Default"),Tiny:e("Tiny"),Small:e("Small"),Big:e("Big"),Huge:e("Huge")};const o=wB(t.config.get(US).options);return o.map((t=>{const e=n[t.title];if(e&&e!=t.title){t=Object.assign({},t,{title:e})}return t}))}}function zB(t,e){const n=new ka;for(const o of t){const t={type:"button",model:new dA({commandName:US,commandParam:o.model,label:o.title,class:"ck-fontsize-option",withText:true})};if(o.view&&o.view.styles){t.model.set("labelStyle",`font-size:${o.view.styles["font-size"]}`)}if(o.view&&o.view.classes){t.model.set("class",`${t.model.class} ${o.view.classes}`)}t.model.bind("isOn").to(e,"value",(t=>t===o.model));n.add(t)}return n}class OB extends Kn{static get requires(){return[SB,FB]}static get pluginName(){return"FontSize"}}class NB extends jn{refresh(){const t=this.editor.model;const e=t.document;const n=ff(e.selection.getSelectedBlocks());this.value=!!n&&n.is("element","paragraph");this.isEnabled=!!n&&MB(n,t.schema)}execute(t={}){const e=this.editor.model;const n=e.document;e.change((o=>{const i=(t.selection||n.selection).getSelectedBlocks();for(const t of i){if(!t.is("element","paragraph")&&MB(t,e.schema)){o.rename(t,"paragraph")}}}))}}function MB(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class VB extends jn{execute(t){const e=this.editor.model;let n=t.position;e.change((t=>{const o=t.createElement("paragraph");if(!e.schema.checkChild(n.parent,o)){const i=e.schema.findAllowedParent(n,o);if(!i){return}n=t.split(n,i).position}e.insertContent(o,n);t.setSelection(o,"in")}))}}class LB extends Kn{static get pluginName(){return"Paragraph"}init(){const t=this.editor;const e=t.model;t.commands.add("paragraph",new NB(t));t.commands.add("insertParagraph",new VB(t));e.schema.register("paragraph",{inheritAllFrom:"$block"});t.conversion.elementToElement({model:"paragraph",view:"p"});t.conversion.for("upcast").elementToElement({model:(t,{writer:e})=>{if(!LB.paragraphLikeElements.has(t.name)){return null}if(t.isEmpty){return null}return e.createElement("paragraph")},view:/.+/,converterPriority:"low"})}}LB.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);var HB=' ';class KB extends Kn{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("paragraph",(n=>{const o=new fw(n);const i=t.commands.get("paragraph");o.label=e("Paragraph");o.icon=HB;o.tooltip=true;o.isToggleable=true;o.bind("isEnabled").to(i);o.bind("isOn").to(i,"value");o.on("execute",(()=>{t.execute("paragraph")}));return o}))}}class qB extends jn{constructor(t,e){super(t);this.modelElements=e}refresh(){const t=ff(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name;this.isEnabled=!!t&&this.modelElements.some((e=>jB(t,e,this.editor.model.schema)))}execute(t){const e=this.editor.model;const n=e.document;const o=t.value;e.change((t=>{const i=Array.from(n.selection.getSelectedBlocks()).filter((t=>jB(t,o,e.schema)));for(const e of i){if(!e.is("element",o)){t.rename(e,o)}}}))}}function jB(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const WB="paragraph";class GB extends Kn{static get pluginName(){return"HeadingEditing"}constructor(t){super(t);t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[LB]}init(){const t=this.editor;const e=t.config.get("heading.options");const n=[];for(const o of e){if(o.model!==WB){t.model.schema.register(o.model,{inheritAllFrom:"$block"});t.conversion.elementToElement(o);n.push(o.model)}}this._addDefaultH1Conversion(t);t.commands.add("heading",new qB(t,n))}afterInit(){const t=this.editor;const e=t.commands.get("enter");const n=t.config.get("heading.options");if(e){this.listenTo(e,"afterExecute",((e,o)=>{const i=t.model.document.selection.getFirstPosition().parent;const r=n.some((t=>i.is("element",t.model)));if(r&&!i.is("element",WB)&&i.childCount===0){o.writer.rename(i,WB)}}))}}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:l.get("low")+1})}}function UB(t){const e=t.t;const n={Paragraph:e("Paragraph"),"Heading 1":e("Heading 1"),"Heading 2":e("Heading 2"),"Heading 3":e("Heading 3"),"Heading 4":e("Heading 4"),"Heading 5":e("Heading 5"),"Heading 6":e("Heading 6")};return t.config.get("heading.options").map((t=>{const e=n[t.title];if(e&&e!=t.title){t.title=e}return t}))}var $B=n(43);var JB={injectType:"singletonStyleTag",attributes:{"data-cke":true}};JB.insert="head";JB.singleton=true;var YB=wk()($B["a"],JB);var QB=$B["a"].locals||{};class XB extends Kn{static get pluginName(){return"HeadingUI"}init(){const t=this.editor;const e=t.t;const n=UB(t);const o=e("Choose heading");const i=e("Heading");t.ui.componentFactory.add("heading",(e=>{const r={};const s=new ka;const a=t.commands.get("heading");const c=t.commands.get("paragraph");const l=[a];for(const t of n){const e={type:"button",model:new dA({label:t.title,class:t.class,withText:true})};if(t.model==="paragraph"){e.model.bind("isOn").to(c,"value");e.model.set("commandName","paragraph");l.push(c)}else{e.model.bind("isOn").to(a,"value",(e=>e===t.model));e.model.set({commandName:"heading",commandValue:t.model})}s.add(e);r[t.model]=t.title}const d=xC(e);DC(d,s);d.buttonView.set({isOn:false,withText:true,tooltip:i});d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}});d.bind("isEnabled").toMany(l,"isEnabled",((...t)=>t.some((t=>t))));d.buttonView.bind("label").to(a,"value",c,"value",((t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:o}));this.listenTo(d,"execute",(e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:undefined);t.editing.view.focus()}));return d}))}}class ZB extends Kn{static get requires(){return[GB,XB]}static get pluginName(){return"Heading"}}class tT extends jn{refresh(){const t=this.editor.model;const e=t.document;this.value=e.selection.getAttribute("highlight");this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"highlight")}execute(t={}){const e=this.editor.model;const n=e.document;const o=n.selection;const i=t.value;e.change((t=>{const n=e.schema.getValidRanges(o.getRanges(),"highlight");if(o.isCollapsed){const e=o.getFirstPosition();if(o.hasAttribute("highlight")){const n=t=>t.item.hasAttribute("highlight")&&t.item.getAttribute("highlight")===this.value;const o=e.getLastMatchingPosition(n,{direction:"backward"});const r=e.getLastMatchingPosition(n);const s=t.createRange(o,r);if(!i||this.value===i){t.removeAttribute("highlight",s);t.removeSelectionAttribute("highlight")}else{t.setAttribute("highlight",i,s);t.setSelectionAttribute("highlight",i)}}else if(i){t.setSelectionAttribute("highlight",i)}}else{for(const e of n){if(i){t.setAttribute("highlight",i,e)}else{t.removeAttribute("highlight",e)}}}}))}}class eT extends Kn{static get pluginName(){return"HighlightEditing"}constructor(t){super(t);t.config.define("highlight",{options:[{model:"yellowMarker",class:"marker-yellow",title:"Yellow marker",color:"var(--ck-highlight-marker-yellow)",type:"marker"},{model:"greenMarker",class:"marker-green",title:"Green marker",color:"var(--ck-highlight-marker-green)",type:"marker"},{model:"pinkMarker",class:"marker-pink",title:"Pink marker",color:"var(--ck-highlight-marker-pink)",type:"marker"},{model:"blueMarker",class:"marker-blue",title:"Blue marker",color:"var(--ck-highlight-marker-blue)",type:"marker"},{model:"redPen",class:"pen-red",title:"Red pen",color:"var(--ck-highlight-pen-red)",type:"pen"},{model:"greenPen",class:"pen-green",title:"Green pen",color:"var(--ck-highlight-pen-green)",type:"pen"}]})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"highlight"});const e=t.config.get("highlight.options");t.conversion.attributeToElement(nT(e));t.commands.add("highlight",new tT(t))}}function nT(t){const e={model:{key:"highlight",values:[]},view:{}};for(const n of t){e.model.values.push(n.model);e.view[n.model]={name:"mark",classes:n.class}}return e}var oT=' ';var iT=' ';var rT=n(44);var sT={injectType:"singletonStyleTag",attributes:{"data-cke":true}};sT.insert="head";sT.singleton=true;var aT=wk()(rT["a"],sT);var cT=rT["a"].locals||{};class lT extends Kn{get localizedOptionTitles(){const t=this.editor.t;return{"Yellow marker":t("Yellow marker"),"Green marker":t("Green marker"),"Pink marker":t("Pink marker"),"Blue marker":t("Blue marker"),"Red pen":t("Red pen"),"Green pen":t("Green pen")}}static get pluginName(){return"HighlightUI"}init(){const t=this.editor.config.get("highlight.options");for(const e of t){this._addHighlighterButton(e)}this._addRemoveHighlightButton();this._addDropdown(t)}_addRemoveHighlightButton(){const t=this.editor.t;const e=this.editor.commands.get("highlight");this._addButton("removeHighlight",t("Remove highlight"),hk.eraser,null,(t=>{t.bind("isEnabled").to(e,"isEnabled")}))}_addHighlighterButton(t){const e=this.editor.commands.get("highlight");this._addButton("highlight:"+t.model,t.title,uT(t.type),t.model,n);function n(n){n.bind("isEnabled").to(e,"isEnabled");n.bind("isOn").to(e,"value",(e=>e===t.model));n.iconView.fillColor=t.color;n.isToggleable=true}}_addButton(t,e,n,o,i){const r=this.editor;r.ui.componentFactory.add(t,(t=>{const s=new fw(t);const a=this.localizedOptionTitles[e]?this.localizedOptionTitles[e]:e;s.set({label:a,icon:n,tooltip:true});s.on("execute",(()=>{r.execute("highlight",{value:o});r.editing.view.focus()}));i(s);return s}))}_addDropdown(t){const e=this.editor;const n=e.t;const o=e.ui.componentFactory;const i=t[0];const r=t.reduce(((t,e)=>{t[e.model]=e;return t}),{});o.add("highlight",(s=>{const a=e.commands.get("highlight");const c=xC(s,Nw);const l=c.buttonView;l.set({tooltip:n("Highlight"),lastExecuted:i.model,commandValue:i.model,isToggleable:true});l.bind("icon").to(a,"value",(t=>uT(u(t,"type"))));l.bind("color").to(a,"value",(t=>u(t,"color")));l.bind("commandValue").to(a,"value",(t=>u(t,"model")));l.bind("isOn").to(a,"value",(t=>!!t));l.delegate("execute").to(c);const d=t.map((t=>{const e=o.create("highlight:"+t.model);this.listenTo(e,"execute",(()=>c.buttonView.set({lastExecuted:t.model})));return e}));c.bind("isEnabled").toMany(d,"isEnabled",((...t)=>t.some((t=>t))));d.push(new Xw);d.push(o.create("removeHighlight"));EC(c,d);dT(c);c.toolbarView.ariaLabel=n("Text highlight toolbar");l.on("execute",(()=>{e.execute("highlight",{value:l.commandValue});e.editing.view.focus()}));function u(t,e){const n=!t||t===l.lastExecuted?l.lastExecuted:t;return r[n][e]}return c}))}}function dT(t){const e=t.buttonView.actionView;e.iconView.bind("fillColor").to(t.buttonView,"color")}function uT(t){return t==="marker"?oT:iT}class hT extends Kn{static get requires(){return[eT,lT]}static get pluginName(){return"Highlight"}}class fT extends jn{refresh(){this.isEnabled=mT(this.editor.model)}execute(){const t=this.editor.model;t.change((e=>{const n=e.createElement("horizontalLine");t.insertContent(n);let o=n.nextSibling;const i=o&&t.schema.checkChild(o,"$text");if(!i&&t.schema.checkChild(n.parent,"paragraph")){o=e.createElement("paragraph");t.insertContent(o,e.createPositionAfter(n))}if(o){e.setSelection(o,0)}}))}}function mT(t){const e=t.schema;const n=t.document.selection;return gT(n,e,t)&&!Ay(n,e)}function gT(t,e,n){const o=pT(t,n);return e.checkChild(o,"horizontalLine")}function pT(t,e){const n=Cy(t,e);const o=n.parent;if(o.isEmpty&&!o.is("element","$root")){return o.parent}return o}var bT=n(45);var kT={injectType:"singletonStyleTag",attributes:{"data-cke":true}};kT.insert="head";kT.singleton=true;var wT=wk()(bT["a"],kT);var CT=bT["a"].locals||{};class AT extends Kn{static get pluginName(){return"HorizontalLineEditing"}init(){const t=this.editor;const e=t.model.schema;const n=t.t;const o=t.conversion;e.register("horizontalLine",{isObject:true,allowWhere:"$block"});o.for("dataDowncast").elementToElement({model:"horizontalLine",view:(t,{writer:e})=>e.createEmptyElement("hr")});o.for("editingDowncast").elementToElement({model:"horizontalLine",view:(t,{writer:e})=>{const o=n("Horizontal line");const i=e.createContainerElement("div");const r=e.createEmptyElement("hr");e.addClass("ck-horizontal-line",i);e.setCustomProperty("hr",true,i);e.insert(e.createPositionAt(i,0),r);return _T(i,e,o)}});o.for("upcast").elementToElement({view:"hr",model:"horizontalLine"});t.commands.add("horizontalLine",new fT(t))}}function _T(t,e,n){e.setCustomProperty("horizontalLine",true,t);return fy(t,e,{label:n})}var vT=' ';class yT extends Kn{static get pluginName(){return"HorizontalLineUI"}init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("horizontalLine",(n=>{const o=t.commands.get("horizontalLine");const i=new fw(n);i.set({label:e("Horizontal line"),icon:vT,tooltip:true});i.bind("isEnabled").to(o,"isEnabled");this.listenTo(i,"execute",(()=>{t.execute("horizontalLine");t.editing.view.focus()}));return i}))}}class xT extends Kn{static get requires(){return[AT,yT,ix]}static get pluginName(){return"HorizontalLine"}}class ET extends jn{refresh(){this.isEnabled=DT(this.editor.model)}execute(){const t=this.editor.model;t.change((e=>{const n=e.createElement("rawHtml");t.insertContent(n);e.setSelection(n,"on")}))}}function DT(t){const e=t.schema;const n=t.document.selection;return ST(n,e,t)&&!Ay(n,e)}function ST(t,e,n){const o=BT(t,n);return e.checkChild(o,"rawHtml")}function BT(t,e){const n=Cy(t,e);const o=n.parent;if(o.isEmpty&&!o.is("element","$root")){return o.parent}return o}class TT extends jn{refresh(){const t=this.editor.model;const e=t.document.selection;const n=PT(e);this.isEnabled=!!n}execute(t){const e=this.editor.model;const n=e.document.selection;const o=PT(n);e.change((e=>{e.setAttribute("value",t,o)}))}}function PT(t){const e=t.getSelectedElement();if(e&&e.is("element","rawHtml")){return e}return null}var IT=n(46);var RT={injectType:"singletonStyleTag",attributes:{"data-cke":true}};RT.insert="head";RT.singleton=true;var FT=wk()(IT["a"],RT);var zT=IT["a"].locals||{};class OT extends Kn{static get pluginName(){return"HtmlEmbedEditing"}constructor(t){super(t);t.config.define("htmlEmbed",{showPreviews:false,sanitizeHtml:t=>{Object(u["b"])("html-embed-provide-sanitize-function");return{html:t,hasChanged:false}}})}init(){const t=this.editor;const e=t.model.schema;e.register("rawHtml",{isObject:true,allowWhere:"$block",allowAttributes:["value"]});t.commands.add("updateHtmlEmbed",new TT(t));t.commands.add("insertHtmlEmbed",new ET(t));this._setupConversion()}_setupConversion(){const t=this.editor;const e=t.t;const n=t.editing.view;const o=t.config.get("htmlEmbed");t.data.registerRawContentMatcher({name:"div",classes:"raw-html-embed"});t.conversion.for("upcast").elementToElement({view:{name:"div",classes:"raw-html-embed"},model:(t,{writer:e})=>e.createElement("rawHtml",{value:t.getCustomProperty("$rawContent")})});t.conversion.for("dataDowncast").elementToElement({model:"rawHtml",view:(t,{writer:e})=>e.createRawElement("div",{class:"raw-html-embed"},(function(e){e.innerHTML=t.getAttribute("value")||""}))});t.conversion.for("editingDowncast").elementToElement({triggerBy:{attributes:["value"]},model:"rawHtml",view:(r,{writer:s})=>{let a,c,l;const d=s.createContainerElement("div",{class:"raw-html-embed","data-html-embed-label":e("HTML snippet"),dir:t.locale.uiLanguageDirection});const u=s.createRawElement("div",{class:"raw-html-embed__content-wrapper"},(function(e){a=e;i({domElement:e,editor:t,state:c,props:l});a.addEventListener("mousedown",(()=>{if(c.isEditable){const e=t.model;const n=e.document.selection.getSelectedElement();if(n!==r){e.change((t=>t.setSelection(r,"on")))}}}),true)}));const h={makeEditable(){c=Object.assign({},c,{isEditable:true});i({domElement:a,editor:t,state:c,props:l});n.change((t=>{t.setAttribute("data-cke-ignore-events","true",u)}));a.querySelector("textarea").focus()},save(e){if(e!==c.getRawHtmlValue()){t.execute("updateHtmlEmbed",e);t.editing.view.focus()}else{this.cancel()}},cancel(){c=Object.assign({},c,{isEditable:false});i({domElement:a,editor:t,state:c,props:l});t.editing.view.focus();n.change((t=>{t.removeAttribute("data-cke-ignore-events",u)}))}};c={showPreviews:o.showPreviews,isEditable:false,getRawHtmlValue:()=>r.getAttribute("value")||""};l={sanitizeHtml:o.sanitizeHtml,textareaPlaceholder:e("Paste raw HTML here..."),onEditClick(){h.makeEditable()},onSaveClick(t){h.save(t)},onCancelClick(){h.cancel()}};s.insert(s.createPositionAt(d,0),u);s.setCustomProperty("rawHtmlApi",h,d);s.setCustomProperty("rawHtml",true,d);return fy(d,s,{widgetLabel:e("HTML snippet"),hasSelectionHandle:true})}});function i({domElement:t,editor:e,state:n,props:o}){t.textContent="";const i=t.ownerDocument;let c;if(n.isEditable){const e={isDisabled:false,placeholder:o.textareaPlaceholder};c=s({domDocument:i,state:n,props:e});t.append(c)}else if(n.showPreviews){const r={sanitizeHtml:o.sanitizeHtml};t.append(a({domDocument:i,state:n,props:r,editor:e}))}else{const e={isDisabled:true,placeholder:o.textareaPlaceholder};t.append(s({domDocument:i,state:n,props:e}))}const l={onEditClick:o.onEditClick,onSaveClick:()=>{o.onSaveClick(c.value)},onCancelClick:o.onCancelClick};t.prepend(r({editor:e,domDocument:i,state:n,props:l}))}function r({editor:t,domDocument:e,state:n,props:o}){const i=Zh(e,"div",{class:"raw-html-embed__buttons-wrapper"});const r=NT(t,"edit");const s=NT(t,"save");const a=NT(t,"cancel");if(n.isEditable){const t=s.cloneNode(true);const e=a.cloneNode(true);t.addEventListener("click",(t=>{t.preventDefault();o.onSaveClick()}));e.addEventListener("click",(t=>{t.preventDefault();o.onCancelClick()}));i.appendChild(t);i.appendChild(e)}else{const t=r.cloneNode(true);t.addEventListener("click",(t=>{t.preventDefault();o.onEditClick()}));i.appendChild(t)}return i}function s({domDocument:t,state:e,props:n}){const o=Zh(t,"textarea",{placeholder:n.placeholder,class:"ck ck-reset ck-input ck-input-text raw-html-embed__source"});o.disabled=n.isDisabled;o.value=e.getRawHtmlValue();return o}function a({domDocument:t,state:n,props:o,editor:i}){const r=o.sanitizeHtml(n.getRawHtmlValue());const s=n.getRawHtmlValue().length>0?e("No preview available"):e("Empty snippet content");const a=Zh(t,"div",{class:"ck ck-reset_all raw-html-embed__preview-placeholder"},s);const c=Zh(t,"div",{class:"raw-html-embed__preview-content",dir:i.locale.contentLanguageDirection});c.innerHTML=r.html;const l=Zh(t,"div",{class:"raw-html-embed__preview"},[a,c]);return l}}}function NT(t,e){const n=t.locale.t;const o=new fw(t.locale);const i=t.commands.get("updateHtmlEmbed");o.set({tooltipPosition:t.locale.uiLanguageDirection==="rtl"?"e":"w",icon:hk.pencil,tooltip:true});o.render();if(e==="edit"){o.set({icon:hk.pencil,label:n("Edit source"),class:"raw-html-embed__edit-button"})}else if(e==="save"){o.set({icon:hk.check,label:n("Save changes"),class:"raw-html-embed__save-button"});o.bind("isEnabled").to(i,"isEnabled")}else{o.set({icon:hk.cancel,label:n("Cancel"),class:"raw-html-embed__cancel-button"})}o.destroy();return o.element.cloneNode(true)}var MT=' ';class VT extends Kn{static get pluginName(){return"HtmlEmbedUI"}init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("htmlEmbed",(n=>{const o=t.commands.get("insertHtmlEmbed");const i=new fw(n);i.set({label:e("Insert HTML"),icon:MT,tooltip:true});i.bind("isEnabled").to(o,"isEnabled");this.listenTo(i,"execute",(()=>{t.execute("insertHtmlEmbed");t.editing.view.focus();const e=t.editing.view.document.selection.getSelectedElement();e.getCustomProperty("rawHtmlApi").makeEditable()}));return i}))}}class LT extends Kn{static get requires(){return[OT,VT,ix]}static get pluginName(){return"HtmlEmbed"}}class HT extends Cu{observe(t){this.listenTo(t,"load",((t,e)=>{const n=e.target;if(this.checkShouldIgnoreEventFromTarget(n)){return}if(n.tagName=="IMG"){this._fireEvents(e)}}),{useCapture:true})}_fireEvents(t){if(this.isEnabled){this.document.fire("layoutChanged");this.document.fire("imageLoaded",t)}}}function KT(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:true,classes:"image"})){return}const o=lE(e.viewItem);if(!o||!o.hasAttribute("src")||!n.consumable.test(o,{name:true})){return}const i=n.convertItem(o,e.modelCursor);const r=ff(i.modelRange.getItems());if(!r){return}n.convertChildren(e.viewItem,r);n.updateConversionResult(r,e)}}function qT(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name)){return}const o=n.writer;const i=n.mapper.toViewElement(e.item);const r=lE(i);if(e.attributeNewValue===null){const t=e.attributeOldValue;if(t.data){o.removeAttribute("srcset",r);o.removeAttribute("sizes",r);if(t.width){o.removeAttribute("width",r)}}}else{const t=e.attributeNewValue;if(t.data){o.setAttribute("srcset",t.data,r);o.setAttribute("sizes","100vw",r);if(t.width){o.setAttribute("width",t.width,r)}}}}}function jT(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name)){return}const o=n.writer;const i=n.mapper.toViewElement(e.item);const r=lE(i);o.setAttribute(e.attributeKey,e.attributeNewValue||"",r)}}class WT extends jn{refresh(){this.isEnabled=cE(this.editor.model)}execute(t){const e=this.editor.model;for(const n of Ca(t.source)){aE(e,{src:n})}}}class GT extends Kn{static get pluginName(){return"ImageEditing"}init(){const t=this.editor;const e=t.model.schema;const n=t.t;const o=t.conversion;t.editing.view.addObserver(HT);e.register("image",{isObject:true,isBlock:true,allowWhere:"$block",allowAttributes:["alt","src","srcset"]});o.for("dataDowncast").elementToElement({model:"image",view:(t,{writer:e})=>UT(e)});o.for("editingDowncast").elementToElement({model:"image",view:(t,{writer:e})=>oE(UT(e),e,n("image widget"))});o.for("downcast").add(jT("src")).add(jT("alt")).add(qT());o.for("upcast").elementToElement({view:{name:"img",attributes:{src:true}},model:(t,{writer:e})=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};if(t.hasAttribute("width")){e.width=t.getAttribute("width")}return e}}}).add(KT());const i=new WT(t);t.commands.add("insertImage",i);t.commands.add("imageInsert",i)}}function UT(t){const e=t.createEmptyElement("img");const n=t.createContainerElement("figure",{class:"image"});t.insert(t.createPositionAt(n,0),e);return n}class $T extends jn{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=sE(t);if(sE(t)&&t.hasAttribute("alt")){this.value=t.getAttribute("alt")}else{this.value=false}}execute(t){const e=this.editor.model;const n=e.document.selection.getSelectedElement();e.change((e=>{e.setAttribute("alt",t.newValue,n)}))}}class JT extends Kn{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new $T(this.editor))}}var YT=n(47);var QT={injectType:"singletonStyleTag",attributes:{"data-cke":true}};QT.insert="head";QT.singleton=true;var XT=wk()(YT["a"],QT);var ZT=YT["a"].locals||{};var tP=n(48);var eP={injectType:"singletonStyleTag",attributes:{"data-cke":true}};eP.insert="head";eP.singleton=true;var nP=wk()(tP["a"],eP);var oP=tP["a"].locals||{};class iP extends yk{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new mf;this.keystrokes=new gf;this.labeledInput=this._createLabeledInputView();this.saveButtonView=this._createButton(e("Save"),hk.check,"ck-button-save");this.saveButtonView.type="submit";this.cancelButtonView=this._createButton(e("Cancel"),hk.cancel,"ck-button-cancel","cancel");this._focusables=new pk;this._focusCycler=new yw({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form","ck-responsive-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]});mk(this)}render(){super.render();this.keystrokes.listenTo(this.element);gk({view:this});[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t);this.focusTracker.add(t.element)}))}_createButton(t,e,n,o){const i=new fw(this.locale);i.set({label:t,icon:e,tooltip:true});i.extendTemplate({attributes:{class:n}});if(o){i.delegate("execute").to(this,o)}return i}_createLabeledInputView(){const t=this.locale.t;const e=new sA(this.locale,aA);e.label=t("Text alternative");return e}}function rP(t){const e=t.plugins.get("ContextualBalloon");if(rE(t.editing.view.document.selection)){const n=sP(t);e.updatePosition(n)}}function sP(t){const e=t.editing.view;const n=bA.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class aP extends Kn{static get requires(){return[IA]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton();this._createForm()}destroy(){super.destroy();this._form.destroy()}_createButton(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("imageTextAlternative",(n=>{const o=t.commands.get("imageTextAlternative");const i=new fw(n);i.set({label:e("Change image text alternative"),icon:hk.lowVision,tooltip:true});i.bind("isEnabled").to(o,"isEnabled");this.listenTo(i,"execute",(()=>{this._showForm()}));return i}))}_createForm(){const t=this.editor;const e=t.editing.view;const n=e.document;this._balloon=this.editor.plugins.get("ContextualBalloon");this._form=new iP(t.locale);this._form.render();this.listenTo(this._form,"submit",(()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value});this._hideForm(true)}));this.listenTo(this._form,"cancel",(()=>{this._hideForm(true)}));this._form.keystrokes.set("Esc",((t,e)=>{this._hideForm(true);e()}));this.listenTo(t.ui,"update",(()=>{if(!rE(n.selection)){this._hideForm(true)}else if(this._isVisible){rP(t)}}));fk({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible){return}const t=this.editor;const e=t.commands.get("imageTextAlternative");const n=this._form.labeledInput;this._form.disableCssTransitions();if(!this._isInBalloon){this._balloon.add({view:this._form,position:sP(t)})}n.fieldView.value=n.fieldView.element.value=e.value||"";this._form.labeledInput.fieldView.select();this._form.enableCssTransitions()}_hideForm(t){if(!this._isInBalloon){return}if(this._form.focusTracker.isFocused){this._form.saveButtonView.focus()}this._balloon.remove(this._form);if(t){this.editor.editing.view.focus()}}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class cP extends Kn{static get requires(){return[JT,aP]}static get pluginName(){return"ImageTextAlternative"}}var lP=n(49);var dP={injectType:"singletonStyleTag",attributes:{"data-cke":true}};dP.insert="head";dP.singleton=true;var uP=wk()(lP["a"],dP);var hP=lP["a"].locals||{};class fP extends Kn{static get requires(){return[GT,ix,cP]}static get pluginName(){return"Image"}isImageWidget(t){return iE(t)}}function mP(t,e){return n=>{const o=n.createEditableElement("figcaption");n.setCustomProperty("imageCaption",true,o);r_({view:t,element:o,text:e});return wy(o,n)}}function gP(t){return!!t.getCustomProperty("imageCaption")}function pP(t){for(const e of t.getChildren()){if(!!e&&e.is("element","caption")){return e}}return null}function bP(t){const e=t.parent;if(t.name=="figcaption"&&e&&e.name=="figure"&&e.hasClass("image")){return{name:true}}return null}class kP extends Kn{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor;const e=t.editing.view;const n=t.model.schema;const o=t.data;const i=t.editing;const r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:true});t.model.document.registerPostFixer((t=>this._insertMissingModelCaptionElement(t)));t.conversion.for("upcast").elementToElement({view:bP,model:"caption"});const s=t=>t.createContainerElement("figcaption");o.downcastDispatcher.on("insert:caption",wP(s,false));const a=mP(e,r("Enter image caption"));i.downcastDispatcher.on("insert:caption",wP(a));i.downcastDispatcher.on("insert",this._fixCaptionVisibility((t=>t.item)),{priority:"high"});i.downcastDispatcher.on("remove",this._fixCaptionVisibility((t=>t.position.parent)),{priority:"high"});e.document.registerPostFixer((t=>this._updateCaptionVisibility(t)))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper;const n=this._lastSelectedCaption;let o;const i=this.editor.model.document.selection;const r=i.getSelectedElement();if(r&&r.is("element","image")){const t=pP(r);o=e.toViewElement(t)}const s=i.getFirstPosition();const a=AP(s.parent);if(a){o=e.toViewElement(a)}if(o&&!this.editor.isReadOnly){if(n){if(n===o){return vP(o,t)}else{_P(n,t);this._lastSelectedCaption=o;return vP(o,t)}}else{this._lastSelectedCaption=o;return vP(o,t)}}else{if(n){const e=_P(n,t);this._lastSelectedCaption=null;return e}else{return false}}}_fixCaptionVisibility(t){return(e,n,o)=>{const i=t(n);const r=AP(i);const s=this.editor.editing.mapper;const a=o.writer;if(r){const t=s.toViewElement(r);if(t){if(r.childCount){a.removeClass("ck-hidden",t)}else{a.addClass("ck-hidden",t)}}}}}_insertMissingModelCaptionElement(t){const e=this.editor.model;const n=e.document.differ.getChanges();const o=[];for(const t of n){if(t.type=="insert"&&t.name!="$text"){const n=t.position.nodeAfter;if(n.is("element","image")&&!pP(n)){o.push(n)}if(!n.is("element","image")&&n.childCount){for(const t of e.createRangeIn(n).getItems()){if(t.is("element","image")&&!pP(t)){o.push(t)}}}}}for(const e of o){t.appendElement("caption",e)}return!!o.length}}function wP(t,e=true){return(n,o,i)=>{const r=o.item;if(!r.childCount&&!e){return}if(sE(r.parent)){if(!i.consumable.consume(o.item,"insert")){return}const e=i.mapper.toViewElement(o.range.start.parent);const n=t(i.writer);const s=i.writer;if(!r.childCount){s.addClass("ck-hidden",n)}CP(n,o.item,e,i)}}}function CP(t,e,n,o){const i=o.writer.createPositionAt(n,"end");o.writer.insert(i,t);o.mapper.bindElements(e,t)}function AP(t){const e=t.getAncestors({includeSelf:true});const n=e.find((t=>t.name=="caption"));if(n&&n.parent&&n.parent.name=="image"){return n}return null}function _P(t,e){if(!t.childCount&&!t.hasClass("ck-hidden")){e.addClass("ck-hidden",t);return true}return false}function vP(t,e){if(t.hasClass("ck-hidden")){e.removeClass("ck-hidden",t);return true}return false}var yP=n(50);var xP={injectType:"singletonStyleTag",attributes:{"data-cke":true}};xP.insert="head";xP.singleton=true;var EP=wk()(yP["a"],xP);var DP=yP["a"].locals||{};class SP extends Kn{static get requires(){return[kP]}static get pluginName(){return"ImageCaption"}}class BP{constructor(){const t=new window.FileReader;this._reader=t;this._data=undefined;this.set("loaded",0);t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;this.total=t.size;return new Promise(((n,o)=>{e.onload=()=>{const t=e.result;this._data=t;n(t)};e.onerror=()=>{o("error")};e.onabort=()=>{o("aborted")};this._reader.readAsDataURL(t)}))}abort(){this._reader.abort()}}Hn(BP,Tn);class TP extends Kn{static get pluginName(){return"FileRepository"}static get requires(){return[Lb]}init(){this.loaders=new ka;this.loaders.on("add",(()=>this._updatePendingAction()));this.loaders.on("remove",(()=>this._updatePendingAction()));this._loadersMap=new Map;this._pendingAction=null;this.set("uploaded",0);this.set("uploadTotal",null);this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0))}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter){Object(u["b"])("filerepository-no-upload-adapter");return null}const e=new PP(Promise.resolve(t),this.createUploadAdapter);this.loaders.add(e);this._loadersMap.set(t,e);if(t instanceof Promise){e.file.then((t=>{this._loadersMap.set(t,e)})).catch((()=>{}))}e.on("change:uploaded",(()=>{let t=0;for(const e of this.loaders){t+=e.uploaded}this.uploaded=t}));e.on("change:uploadTotal",(()=>{let t=0;for(const e of this.loaders){if(e.uploadTotal){t+=e.uploadTotal}}this.uploadTotal=t}));return e}destroyLoader(t){const e=t instanceof PP?t:this.getLoader(t);e._destroy();this.loaders.remove(e);this._loadersMap.forEach(((t,n)=>{if(t===e){this._loadersMap.delete(n)}}))}_updatePendingAction(){const t=this.editor.plugins.get(Lb);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t;const n=t=>`${e("Upload in progress")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent));this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else{t.remove(this._pendingAction);this._pendingAction=null}}}Hn(TP,Tn);class PP{constructor(t,e){this.id=a();this._filePromiseWrapper=this._createFilePromiseWrapper(t);this._adapter=e(this);this._reader=new BP;this.set("status","idle");this.set("uploaded",0);this.set("uploadTotal",null);this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0));this.set("uploadResponse",null)}get file(){if(!this._filePromiseWrapper){return Promise.resolve(null)}else{return this._filePromiseWrapper.promise.then((t=>this._filePromiseWrapper?t:null))}}get data(){return this._reader.data}read(){if(this.status!="idle"){throw new u["a"]("filerepository-read-wrong-status",this)}this.status="reading";return this.file.then((t=>this._reader.read(t))).then((t=>{if(this.status!=="reading"){throw this.status}this.status="idle";return t})).catch((t=>{if(t==="aborted"){this.status="aborted";throw"aborted"}this.status="error";throw this._reader.error?this._reader.error:t}))}upload(){if(this.status!="idle"){throw new u["a"]("filerepository-upload-wrong-status",this)}this.status="uploading";return this.file.then((()=>this._adapter.upload())).then((t=>{this.uploadResponse=t;this.status="idle";return t})).catch((t=>{if(this.status==="aborted"){throw"aborted"}this.status="error";throw t}))}abort(){const t=this.status;this.status="aborted";if(!this._filePromiseWrapper.isFulfilled){this._filePromiseWrapper.promise.catch((()=>{}));this._filePromiseWrapper.rejecter("aborted")}else if(t=="reading"){this._reader.abort()}else if(t=="uploading"&&this._adapter.abort){this._adapter.abort()}this._destroy()}_destroy(){this._filePromiseWrapper=undefined;this._reader=undefined;this._adapter=undefined;this.uploadResponse=undefined}_createFilePromiseWrapper(t){const e={};e.promise=new Promise(((n,o)=>{e.rejecter=o;e.isFulfilled=false;t.then((t=>{e.isFulfilled=true;n(t)})).catch((t=>{e.isFulfilled=true;o(t)}))}));return e}}Hn(PP,Tn);class IP extends yk{constructor(t){super(t);this.buttonView=new fw(t);this._fileInputView=new RP(t);this._fileInputView.bind("acceptedType").to(this);this._fileInputView.bind("allowMultipleFiles").to(this);this._fileInputView.delegate("done").to(this);this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]});this.buttonView.on("execute",(()=>{this._fileInputView.open()}))}focus(){this.buttonView.focus()}}class RP extends yk{constructor(t){super(t);this.set("acceptedType");this.set("allowMultipleFiles",false);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to((()=>{if(this.element&&this.element.files&&this.element.files.length){this.fire("done",this.element.files)}this.element.value=""}))}})}open(){this.element.click()}}class FP extends Kn{static get requires(){return[TP]}static get pluginName(){return"Base64UploadAdapter"}init(){this.editor.plugins.get(TP).createUploadAdapter=t=>new zP(t)}}class zP{constructor(t){this.loader=t}upload(){return new Promise(((t,e)=>{const n=this.reader=new window.FileReader;n.addEventListener("load",(()=>{t({default:n.result})}));n.addEventListener("error",(t=>{e(t)}));n.addEventListener("abort",(()=>{e()}));this.loader.file.then((t=>{n.readAsDataURL(t)}))}))}abort(){this.reader.abort()}}class OP extends Kn{static get requires(){return[TP]}static get pluginName(){return"SimpleUploadAdapter"}init(){const t=this.editor.config.get("simpleUpload");if(!t){return}if(!t.uploadUrl){Object(u["b"])("simple-upload-adapter-missing-uploadurl");return}this.editor.plugins.get(TP).createUploadAdapter=e=>new NP(e,t)}}class NP{constructor(t,e){this.loader=t;this.options=e}upload(){return this.loader.file.then((t=>new Promise(((e,n)=>{this._initRequest();this._initListeners(e,n,t);this._sendRequest(t)}))))}abort(){if(this.xhr){this.xhr.abort()}}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.options.uploadUrl,true);t.responseType="json"}_initListeners(t,e,n){const o=this.xhr;const i=this.loader;const r=`Couldn't upload file: ${n.name}.`;o.addEventListener("error",(()=>e(r)));o.addEventListener("abort",(()=>e()));o.addEventListener("load",(()=>{const n=o.response;if(!n||n.error){return e(n&&n.error&&n.error.message?n.error.message:r)}t(n.url?{default:n.url}:n.urls)}));if(o.upload){o.upload.addEventListener("progress",(t=>{if(t.lengthComputable){i.uploadTotal=t.total;i.uploaded=t.loaded}}))}}_sendRequest(t){const e=this.options.headers||{};const n=this.options.withCredentials||false;for(const t of Object.keys(e)){this.xhr.setRequestHeader(t,e[t])}this.xhr.withCredentials=n;const o=new FormData;o.append("upload",t);this.xhr.send(o)}}function MP(t){const e=t.map((t=>t.replace("+","\\+")));return new RegExp(`^image\\/(${e.join("|")})$`)}function VP(t){return new Promise(((e,n)=>{const o=t.getAttribute("src");fetch(o).then((t=>t.blob())).then((t=>{const n=HP(t,o);const i=n.replace("image/","");const r=`image.${i}`;const s=new File([t],r,{type:n});e(s)})).catch((t=>t&&t.name==="TypeError"?KP(o).then(e).catch(n):n(t)))}))}function LP(t){if(!t.is("element","img")||!t.getAttribute("src")){return false}return t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g)}function HP(t,e){if(t.type){return t.type}else if(e.match(/data:(image\/\w+);base64/)){return e.match(/data:(image\/\w+);base64/)[1].toLowerCase()}else{return"image/jpeg"}}function KP(t){return qP(t).then((e=>{const n=HP(e,t);const o=n.replace("image/","");const i=`image.${o}`;return new File([e],i,{type:n})}))}function qP(t){return new Promise(((e,n)=>{const o=ru.document.createElement("img");o.addEventListener("load",(()=>{const t=ru.document.createElement("canvas");t.width=o.width;t.height=o.height;const i=t.getContext("2d");i.drawImage(o,0,0);t.toBlob((t=>t?e(t):n()))}));o.addEventListener("error",(()=>n()));o.src=t}))}class jP extends Kn{static get pluginName(){return"ImageUploadUI"}init(){const t=this.editor;const e=t.t;const n=n=>{const o=new IP(n);const i=t.commands.get("uploadImage");const r=t.config.get("image.upload.types");const s=MP(r);o.set({acceptedType:r.map((t=>`image/${t}`)).join(","),allowMultipleFiles:true});o.buttonView.set({label:e("Insert image"),icon:hk.image,tooltip:true});o.buttonView.bind("isEnabled").to(i);o.on("done",((e,n)=>{const o=Array.from(n).filter((t=>s.test(t.type)));if(o.length){t.execute("uploadImage",{file:o})}}));return o};t.ui.componentFactory.add("uploadImage",n);t.ui.componentFactory.add("imageUpload",n)}}var WP=' ';var GP=n(51);var UP={injectType:"singletonStyleTag",attributes:{"data-cke":true}};UP.insert="head";UP.singleton=true;var $P=wk()(GP["a"],UP);var JP=GP["a"].locals||{};var YP=n(52);var QP={injectType:"singletonStyleTag",attributes:{"data-cke":true}};QP.insert="head";QP.singleton=true;var XP=wk()(YP["a"],QP);var ZP=YP["a"].locals||{};var tI=n(53);var eI={injectType:"singletonStyleTag",attributes:{"data-cke":true}};eI.insert="head";eI.singleton=true;var nI=wk()(tI["a"],eI);var oI=tI["a"].locals||{};class iI extends Kn{static get pluginName(){return"ImageUploadProgress"}constructor(t){super(t);this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent(WP)}init(){const t=this.editor;t.editing.downcastDispatcher.on("attribute:uploadStatus:image",((...t)=>this.uploadStatusChange(...t)))}uploadStatusChange(t,e,n){const o=this.editor;const i=e.item;const r=i.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name)){return}const s=o.plugins.get(TP);const a=r?e.attributeNewValue:null;const c=this.placeholder;const l=o.editing.mapper.toViewElement(i);const d=n.writer;if(a=="reading"){rI(l,d);aI(c,l,d);return}if(a=="uploading"){const t=s.loaders.get(r);rI(l,d);if(!t){aI(c,l,d)}else{cI(l,d);lI(l,d,t,o.editing.view);pI(l,d,t)}return}if(a=="complete"&&s.loaders.get(r)){uI(l,d,o.editing.view)}dI(l,d);cI(l,d);sI(l,d)}}function rI(t,e){if(!t.hasClass("ck-appear")){e.addClass("ck-appear",t)}}function sI(t,e){e.removeClass("ck-appear",t)}function aI(t,e,n){if(!e.hasClass("ck-image-upload-placeholder")){n.addClass("ck-image-upload-placeholder",e)}const o=lE(e);if(o.getAttribute("src")!==t){n.setAttribute("src",t,o)}if(!mI(e,"placeholder")){n.insert(n.createPositionAfter(o),fI(n))}}function cI(t,e){if(t.hasClass("ck-image-upload-placeholder")){e.removeClass("ck-image-upload-placeholder",t)}gI(t,e,"placeholder")}function lI(t,e,n,o){const i=hI(e);e.insert(e.createPositionAt(t,"end"),i);n.on("change:uploadedPercent",((t,e,n)=>{o.change((t=>{t.setStyle("width",n+"%",i)}))}))}function dI(t,e){gI(t,e,"progressBar")}function uI(t,e,n){const o=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),o);setTimeout((()=>{n.change((t=>t.remove(t.createRangeOn(o))))}),3e3)}function hI(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});t.setCustomProperty("progressBar",true,e);return e}function fI(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});t.setCustomProperty("placeholder",true,e);return e}function mI(t,e){for(const n of t.getChildren()){if(n.getCustomProperty(e)){return n}}}function gI(t,e,n){const o=mI(t,n);if(o){e.remove(e.createRangeOn(o))}}function pI(t,e,n){if(n.data){const o=lE(t);e.setAttribute("src",n.data,o)}}class bI extends jn{refresh(){const t=this.editor.model.document.selection.getSelectedElement();const e=t&&t.name==="image"||false;this.isEnabled=cE(this.editor.model)||e}execute(t){const e=this.editor;const n=e.model;const o=e.plugins.get(TP);for(const e of Ca(t.file)){kI(n,o,e)}}}function kI(t,e,n){const o=e.createLoader(n);if(!o){return}aE(t,{uploadId:o.id})}class wI extends Kn{static get requires(){return[TP,lA,$v]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t);t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const t=this.editor;const e=t.model.document;const n=t.model.schema;const o=t.conversion;const i=t.plugins.get(TP);const r=MP(t.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]});const s=new bI(t);t.commands.add("uploadImage",s);t.commands.add("imageUpload",s);o.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"});this.listenTo(t.editing.view.document,"clipboardInput",((e,n)=>{if(CI(n.dataTransfer)){return}const o=Array.from(n.dataTransfer.files).filter((t=>{if(!t){return false}return r.test(t.type)}));if(!o.length){return}e.stop();t.model.change((e=>{if(n.targetRanges){e.setSelection(n.targetRanges.map((e=>t.editing.mapper.toModelRange(e))))}t.model.enqueueChange("default",(()=>{t.execute("uploadImage",{file:o})}))}))}));this.listenTo(t.plugins.get("ClipboardPipeline"),"inputTransformation",((e,n)=>{const o=Array.from(t.editing.view.createRangeIn(n.content)).filter((t=>LP(t.item)&&!t.item.getAttribute("uploadProcessed"))).map((t=>({promise:VP(t.item),imageElement:t.item})));if(!o.length){return}const r=new S_(t.editing.view.document);for(const t of o){r.setAttribute("uploadProcessed",true,t.imageElement);const e=i.createLoader(t.promise);if(e){r.setAttribute("src","",t.imageElement);r.setAttribute("uploadId",e.id,t.imageElement)}}}));t.editing.view.document.on("dragover",((t,e)=>{e.preventDefault()}));e.on("change",(()=>{const n=e.differ.getChanges({includeChangesInGraveyard:true});for(const e of n){if(e.type=="insert"&&e.name!="$text"){const n=e.position.nodeAfter;const o=e.position.root.rootName=="$graveyard";for(const e of AI(t,n)){const t=e.getAttribute("uploadId");if(!t){continue}const n=i.loaders.get(t);if(!n){continue}if(o){n.abort()}else if(n.status=="idle"){this._readAndUpload(n,e)}}}}}))}_readAndUpload(t,e){const n=this.editor;const o=n.model;const i=n.locale.t;const r=n.plugins.get(TP);const s=n.plugins.get(lA);o.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","reading",e)}));return t.read().then((()=>{const i=t.upload();if(Wl.isSafari){const t=n.editing.mapper.toViewElement(e);const o=lE(t);n.editing.view.once("render",(()=>{if(!o.parent){return}const t=n.editing.view.domConverter.mapViewToDom(o.parent);if(!t){return}const e=t.style.display;t.style.display="none";t._ckHack=t.offsetHeight;t.style.display=e}))}o.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","uploading",e)}));return i})).then((t=>{o.enqueueChange("transparent",(n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e);this._parseAndSetSrcsetAttributeOnImage(t,e,n)}));a()})).catch((n=>{if(t.status!=="error"&&t.status!=="aborted"){throw n}if(t.status=="error"&&n){s.showWarning(n,{title:i("Upload failed"),namespace:"upload"})}a();o.enqueueChange("transparent",(t=>{t.remove(e)}))}));function a(){o.enqueueChange("transparent",(t=>{t.removeAttribute("uploadId",e);t.removeAttribute("uploadStatus",e)}));r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let o=0;const i=Object.keys(t).filter((t=>{const e=parseInt(t,10);if(!isNaN(e)){o=Math.max(o,e);return true}})).map((e=>`${t[e]} ${e}w`)).join(", ");if(i!=""){n.setAttribute("srcset",{data:i,width:o},e)}}}function CI(t){return Array.from(t.types).includes("text/html")&&t.getData("text/html")!==""}function AI(t,e){return Array.from(t.model.createRangeOn(e)).filter((t=>t.item.is("element","image"))).map((t=>t.item))}class _I extends Kn{static get pluginName(){return"ImageUpload"}static get requires(){return[wI,jP,iI]}}var vI=n(54);var yI={injectType:"singletonStyleTag",attributes:{"data-cke":true}};yI.insert="head";yI.singleton=true;var xI=wk()(vI["a"],yI);var EI=vI["a"].locals||{};class DI extends yk{constructor(t,e={}){super(t);const n=this.bindTemplate;this.set("class",e.class||null);this.children=this.createCollection();if(e.children){e.children.forEach((t=>this.children.add(t)))}this.set("_role",null);this.set("_ariaLabelledBy",null);if(e.labelView){this.set({_role:"group",_ariaLabelledBy:e.labelView.id})}this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__row",n.to("class")],role:n.to("_role"),"aria-labelledby":n.to("_ariaLabelledBy")},children:this.children})}}var SI=n(55);var BI={injectType:"singletonStyleTag",attributes:{"data-cke":true}};BI.insert="head";BI.singleton=true;var TI=wk()(SI["a"],BI);var PI=SI["a"].locals||{};class II extends yk{constructor(t,e){super(t);const{insertButtonView:n,cancelButtonView:o}=this._createActionButtons(t);this.insertButtonView=n;this.cancelButtonView=o;this.dropdownView=this._createDropdownView(t);this.set("imageURLInputValue","");this.focusTracker=new mf;this.keystrokes=new gf;this._focusables=new pk;this._focusCycler=new yw({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});this.set("_integrations",new ka);if(e){for(const[t,n]of Object.entries(e)){if(t==="insertImageViaUrl"){n.fieldView.bind("value").to(this,"imageURLInputValue",(t=>t||""));n.fieldView.on("input",(()=>{this.imageURLInputValue=n.fieldView.element.value.trim()}))}n.name=t;this._integrations.add(n)}}this.setTemplate({tag:"form",attributes:{class:["ck","ck-image-insert-form"],tabindex:"-1"},children:[...this._integrations,new DI(t,{children:[this.insertButtonView,this.cancelButtonView],class:"ck-image-insert-form__action-row"})]})}render(){super.render();gk({view:this});const t=[...this._integrations,this.insertButtonView,this.cancelButtonView];t.forEach((t=>{this._focusables.add(t);this.focusTracker.add(t.element)}));this.keystrokes.listenTo(this.element);const e=t=>t.stopPropagation();this.keystrokes.set("arrowright",e);this.keystrokes.set("arrowleft",e);this.keystrokes.set("arrowup",e);this.keystrokes.set("arrowdown",e);this.listenTo(t[0].element,"selectstart",((t,e)=>{e.stopPropagation()}),{priority:"high"})}getIntegration(t){return this._integrations.find((e=>e.name===t))}_createDropdownView(t){const e=t.t;const n=xC(t,Nw);const o=n.buttonView;const i=n.panelView;o.set({label:e("Insert image"),icon:hk.image,tooltip:true});i.extendTemplate({attributes:{class:"ck-image-insert__panel"}});return n}_createActionButtons(t){const e=t.t;const n=new fw(t);const o=new fw(t);n.set({label:e("Insert"),icon:hk.check,class:"ck-button-save",type:"submit",withText:true,isEnabled:this.imageURLInputValue});o.set({label:e("Cancel"),icon:hk.cancel,class:"ck-button-cancel",withText:true});n.bind("isEnabled").to(this,"imageURLInputValue",(t=>!!t));n.delegate("execute").to(this,"submit");o.delegate("execute").to(this,"cancel");return{insertButtonView:n,cancelButtonView:o}}focus(){this._focusCycler.focusFirst()}}function RI(t){const e=t.config.get("image.insert.integrations");const n=t.plugins.get("ImageInsertUI");const o={insertImageViaUrl:FI(t.locale)};if(!e){return o}if(e.find((t=>t==="openCKFinder"))&&t.ui.componentFactory.has("ckfinder")){const e=t.ui.componentFactory.create("ckfinder");e.set({withText:true,class:"ck-image-insert__ck-finder-button"});e.delegate("execute").to(n,"cancel");o.openCKFinder=e}return e.reduce(((e,n)=>{if(o[n]){e[n]=o[n]}else if(t.ui.componentFactory.has(n)){e[n]=t.ui.componentFactory.create(n)}return e}),{})}function FI(t){const e=t.t;const n=new sA(t,aA);n.set({label:e("Insert image via URL")});n.fieldView.placeholder="https://example.com/image.png";return n}class zI extends Kn{static get pluginName(){return"ImageInsertUI"}init(){const t=this.editor;const e=t=>this._createDropdownView(t);t.ui.componentFactory.add("insertImage",e);t.ui.componentFactory.add("imageInsert",e)}_createDropdownView(t){const e=this.editor;const n=new II(t,RI(e));const o=e.commands.get("uploadImage");const i=n.dropdownView;const r=i.buttonView;r.actionView=e.ui.componentFactory.create("uploadImage");r.actionView.extendTemplate({attributes:{class:"ck ck-button ck-splitbutton__action"}});return this._setUpDropdown(i,n,o)}_setUpDropdown(t,e,n){const o=this.editor;const i=o.t;const r=e.insertButtonView;const s=e.getIntegration("insertImageViaUrl");const a=t.panelView;t.bind("isEnabled").to(n);t.buttonView.once("open",(()=>{a.children.add(e)}));t.on("change:isOpen",(()=>{const n=o.model.document.selection.getSelectedElement();if(t.isOpen){e.focus();if(sE(n)){e.imageURLInputValue=n.getAttribute("src");r.label=i("Update");s.label=i("Update image URL")}else{e.imageURLInputValue="";r.label=i("Insert");s.label=i("Insert image via URL")}}}),{priority:"low"});e.delegate("submit","cancel").to(t);this.delegate("cancel").to(t);t.on("submit",(()=>{l();c()}));t.on("cancel",(()=>{l()}));function c(){const t=o.model.document.selection.getSelectedElement();if(sE(t)){o.model.change((n=>{n.setAttribute("src",e.imageURLInputValue,t);n.removeAttribute("srcset",t);n.removeAttribute("sizes",t)}))}else{o.execute("insertImage",{source:e.imageURLInputValue})}}function l(){o.editing.view.focus();t.isOpen=false}return t}}class OI extends Kn{static get pluginName(){return"ImageInsert"}static get requires(){return[_I,zI]}}class NI extends jn{constructor(t,e){super(t);this.defaultStyle=false;this.styles=e.reduce(((t,e)=>{t[e.name]=e;if(e.isDefault){this.defaultStyle=e.name}return t}),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=sE(t);if(!t){this.value=false}else if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=this.styles[e]?e:false}else{this.value=this.defaultStyle}}execute(t){const e=t.value;const n=this.editor.model;const o=n.document.selection.getSelectedElement();n.change((t=>{if(this.styles[e].isDefault){t.removeAttribute("imageStyle",o)}else{t.setAttribute("imageStyle",e,o)}}))}}function MI(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,e.name)){return}const i=LI(n.attributeNewValue,t);const r=LI(n.attributeOldValue,t);const s=o.mapper.toViewElement(n.item);const a=o.writer;if(r){a.removeClass(r.className,s)}if(i){a.addClass(i.className,s)}}}function VI(t){const e=t.filter((t=>!t.isDefault));return(t,n,o)=>{if(!n.modelRange){return}const i=n.viewItem;const r=ff(n.modelRange.getItems());if(r&&!o.schema.checkAttribute(r,"imageStyle")){return}for(const t of e){if(o.consumable.consume(i,{classes:t.className})){o.writer.setAttribute("imageStyle",t.name,r)}}}}function LI(t,e){for(const n of e){if(n.name===t){return n}}}const HI={full:{name:"full",title:"Full size image",icon:hk.objectFullWidth,isDefault:true},side:{name:"side",title:"Side image",icon:hk.objectRight,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:hk.objectLeft,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:hk.objectCenter,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:hk.objectRight,className:"image-style-align-right"}};const KI={full:hk.objectFullWidth,left:hk.objectLeft,right:hk.objectRight,center:hk.objectCenter};function qI(t=[]){return t.map(jI)}function jI(t){if(typeof t=="string"){const e=t;if(HI[e]){t=Object.assign({},HI[e])}else{Object(u["b"])("image-style-not-found",{name:e});t={name:e}}}else if(HI[t.name]){const e=HI[t.name];const n=Object.assign({},t);for(const o in e){if(!Object.prototype.hasOwnProperty.call(t,o)){n[o]=e[o]}}t=n}if(typeof t.icon=="string"&&KI[t.icon]){t.icon=KI[t.icon]}return t}class WI extends Kn{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor;const e=t.model.schema;const n=t.data;const o=t.editing;t.config.define("image.styles",["full","side"]);const i=qI(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=MI(i);o.downcastDispatcher.on("attribute:imageStyle:image",r);n.downcastDispatcher.on("attribute:imageStyle:image",r);n.upcastDispatcher.on("element:figure",VI(i),{priority:"low"});t.commands.add("imageStyle",new NI(t,i))}}var GI=n(56);var UI={injectType:"singletonStyleTag",attributes:{"data-cke":true}};UI.insert="head";UI.singleton=true;var $I=wk()(GI["a"],UI);var JI=GI["a"].locals||{};class YI extends Kn{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("Full size image"),"Side image":t("Side image"),"Left aligned image":t("Left aligned image"),"Centered image":t("Centered image"),"Right aligned image":t("Right aligned image")}}init(){const t=this.editor;const e=t.config.get("image.styles");const n=QI(qI(e),this.localizedDefaultStylesTitles);for(const t of n){this._createButton(t)}}_createButton(t){const e=this.editor;const n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,(n=>{const o=e.commands.get("imageStyle");const i=new fw(n);i.set({label:t.title,icon:t.icon,tooltip:true,isToggleable:true});i.bind("isEnabled").to(o,"isEnabled");i.bind("isOn").to(o,"value",(e=>e===t.name));this.listenTo(i,"execute",(()=>{e.execute("imageStyle",{value:t.name});e.editing.view.focus()}));return i}))}}function QI(t,e){for(const n of t){if(e[n.title]){n.title=e[n.title]}}return t}class XI extends Kn{static get requires(){return[WI,YI]}static get pluginName(){return"ImageStyle"}}class ZI extends Kn{static get requires(){return[Nx]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor;const e=t.t;const n=t.plugins.get(Nx);n.register("image",{ariaLabel:e("Image toolbar"),items:t.config.get("image.toolbar")||[],getRelatedElement:rE})}}const tR="italic";class eR extends Kn{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:tR});t.model.schema.setAttributeProperties(tR,{isFormatting:true,copyOnEnter:true});t.conversion.attributeToElement({model:tR,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]});t.commands.add(tR,new xS(t,tR));t.keystrokes.set("CTRL+I",tR)}}var nR=' ';const oR="italic";class iR extends Kn{static get pluginName(){return"ItalicUI"}init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(oR,(n=>{const o=t.commands.get(oR);const i=new fw(n);i.set({label:e("Italic"),icon:nR,keystroke:"CTRL+I",tooltip:true,isToggleable:true});i.bind("isOn","isEnabled").to(o,"value","isEnabled");this.listenTo(i,"execute",(()=>{t.execute(oR);t.editing.view.focus()}));return i}))}}class rR extends Kn{static get requires(){return[eR,iR]}static get pluginName(){return"Italic"}}class sR{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){if(Array.isArray(t)){t.forEach((t=>this._definitions.add(t)))}else{this._definitions.add(t)}}getDispatcher(){return t=>{t.on("attribute:linkHref",((t,e,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref")){return}const o=n.writer;const i=o.document.selection;for(const t of this._definitions){const r=o.createAttributeElement("a",t.attributes,{priority:5});o.setCustomProperty("link",true,r);if(t.callback(e.attributeNewValue)){if(e.item.is("selection")){o.wrap(i.getFirstRange(),r)}else{o.wrap(n.mapper.toViewRange(e.range),r)}}else{o.unwrap(n.mapper.toViewRange(e.range),r)}}}),{priority:"high"})}}getDispatcherForLinkedImage(){return t=>{t.on("attribute:linkHref:image",((t,e,n)=>{const o=n.mapper.toViewElement(e.item);const i=Array.from(o.getChildren()).find((t=>t.name==="a"));for(const t of this._definitions){const o=La(t.attributes);if(t.callback(e.attributeNewValue)){for(const[t,e]of o){if(t==="class"){n.writer.addClass(e,i)}else{n.writer.setAttribute(t,e,i)}}}else{for(const[t,e]of o){if(t==="class"){n.writer.removeClass(e,i)}else{n.writer.removeAttribute(t,i)}}}}}))}}}class aR extends jn{constructor(t){super(t);this.manualDecorators=new ka;this.automaticDecorators=new sR}restoreManualDecoratorStates(){for(const t of this.manualDecorators){t.value=this._getDecoratorStateFromModel(t.id)}}refresh(){const t=this.editor.model;const e=t.document;const n=ff(e.selection.getSelectedBlocks());if(QD(n,t.schema)){this.value=n.getAttribute("linkHref");this.isEnabled=t.schema.checkAttribute(n,"linkHref")}else{this.value=e.selection.getAttribute("linkHref");this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}for(const t of this.manualDecorators){t.value=this._getDecoratorStateFromModel(t.id)}}execute(t,e={}){const n=this.editor.model;const o=n.document.selection;const i=[];const r=[];for(const t in e){if(e[t]){i.push(t)}else{r.push(t)}}n.change((e=>{if(o.isCollapsed){const s=o.getFirstPosition();if(o.hasAttribute("linkHref")){const a=JE(s,"linkHref",o.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a);i.forEach((t=>{e.setAttribute(t,true,a)}));r.forEach((t=>{e.removeAttribute(t,a)}));e.setSelection(e.createPositionAfter(a.end.nodeBefore))}else if(t!==""){const r=La(o.getAttributes());r.set("linkHref",t);i.forEach((t=>{r.set(t,true)}));const{end:a}=n.insertContent(e.createText(t,r),s);e.setSelection(a)}["linkHref",...i,...r].forEach((t=>{e.removeSelectionAttribute(t)}))}else{const s=n.schema.getValidRanges(o.getRanges(),"linkHref");const a=[];for(const t of o.getSelectedBlocks()){if(n.schema.checkAttribute(t,"linkHref")){a.push(e.createRangeOn(t))}}const c=a.slice();for(const t of s){if(this._isRangeToUpdate(t,a)){c.push(t)}}for(const n of c){e.setAttribute("linkHref",t,n);i.forEach((t=>{e.setAttribute(t,true,n)}));r.forEach((t=>{e.removeAttribute(t,n)}))}}}))}_getDecoratorStateFromModel(t){const e=this.editor.model;const n=e.document;const o=ff(n.selection.getSelectedBlocks());if(QD(o,e.schema)){return o.getAttribute(t)}return n.selection.getAttribute(t)}_isRangeToUpdate(t,e){for(const n of e){if(n.containsRange(t)){return false}}return true}}class cR extends jn{refresh(){const t=this.editor.model;const e=t.document;const n=ff(e.selection.getSelectedBlocks());if(QD(n,t.schema)){this.isEnabled=t.schema.checkAttribute(n,"linkHref")}else{this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}}execute(){const t=this.editor;const e=this.editor.model;const n=e.document.selection;const o=t.commands.get("link");e.change((t=>{const i=n.isCollapsed?[JE(n.getFirstPosition(),"linkHref",n.getAttribute("linkHref"),e)]:e.schema.getValidRanges(n.getRanges(),"linkHref");for(const e of i){t.removeAttribute("linkHref",e);if(o){for(const n of o.manualDecorators){t.removeAttribute(n.id,e)}}}}))}}class lR{constructor({id:t,label:e,attributes:n,defaultValue:o}){this.id=t;this.set("value");this.defaultValue=o;this.label=e;this.attributes=n}}Hn(lR,Tn);var dR=n(57);var uR={injectType:"singletonStyleTag",attributes:{"data-cke":true}};uR.insert="head";uR.singleton=true;var hR=wk()(dR["a"],uR);var fR=dR["a"].locals||{};const mR="ck-link_selected";const gR="automatic";const pR="manual";const bR=/^(https?:)?\/\//;class kR extends Kn{static get pluginName(){return"LinkEditing"}static get requires(){return[BE,xE,$v]}constructor(t){super(t);t.config.define("link",{addTargetToExternalLinks:false})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"linkHref"});t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:GD});t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>GD(UD(t),e)});t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:true}},model:{key:"linkHref",value:t=>t.getAttribute("href")}});t.commands.add("link",new aR(t));t.commands.add("unlink",new cR(t));const e=JD(t.t,YD(t.config.get("link.decorators")));this._enableAutomaticDecorators(e.filter((t=>t.mode===gR)));this._enableManualDecorators(e.filter((t=>t.mode===pR)));const n=t.plugins.get(BE);n.registerAttribute("linkHref");QE(t,"linkHref","a",mR);this._enableInsertContentSelectionAttributesFixer();this._enableClickingAfterLink();this._enableTypingOverLink();this._handleDeleteContentAfterLink()}_enableAutomaticDecorators(t){const e=this.editor;const n=e.commands.get("link");const o=n.automaticDecorators;if(e.config.get("link.addTargetToExternalLinks")){o.add({id:"linkIsExternal",mode:gR,callback:t=>bR.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}})}o.add(t);if(o.length){e.conversion.for("downcast").add(o.getDispatcher())}}_enableManualDecorators(t){if(!t.length){return}const e=this.editor;const n=e.commands.get("link");const o=n.manualDecorators;t.forEach((t=>{e.model.schema.extend("$text",{allowAttributes:t.id});o.add(new lR(t));e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,{writer:n})=>{if(e){const e=o.get(t.id).attributes;const i=n.createAttributeElement("a",e,{priority:5});n.setCustomProperty("link",true,i);return i}}});e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:o.get(t.id).attributes},model:{key:t.id}})}))}_enableInsertContentSelectionAttributesFixer(){const t=this.editor;const e=t.model;const n=e.document.selection;const o=t.commands.get("link");this.listenTo(e,"insertContent",(()=>{const t=n.anchor.nodeBefore;const i=n.anchor.nodeAfter;if(!n.hasAttribute("linkHref")){return}if(!t){return}if(!t.hasAttribute("linkHref")){return}if(i&&i.hasAttribute("linkHref")){return}e.change((t=>{wR(t,o.manualDecorators)}))}),{priority:"low"})}_enableClickingAfterLink(){const t=this.editor;const e=t.commands.get("link");t.editing.view.addObserver(D_);let n=false;this.listenTo(t.editing.view.document,"mousedown",(()=>{n=true}));this.listenTo(t.editing.view.document,"selectionChange",(()=>{if(!n){return}n=false;const o=t.model.document.selection;if(!o.isCollapsed){return}if(!o.hasAttribute("linkHref")){return}const i=o.getFirstPosition();const r=JE(i,"linkHref",o.getAttribute("linkHref"),t.model);if(i.isTouching(r.start)||i.isTouching(r.end)){t.model.change((t=>{wR(t,e.manualDecorators)}))}}))}_enableTypingOverLink(){const t=this.editor;const e=t.editing.view;let n;let o;this.listenTo(e.document,"delete",(()=>{o=true}),{priority:"high"});this.listenTo(t.model,"deleteContent",(()=>{const e=t.model.document.selection;if(e.isCollapsed){return}if(o){o=false;return}if(!AR(t)){return}if(CR(t.model)){n=e.getAttributes()}}),{priority:"high"});this.listenTo(t.model,"insertContent",((e,[i])=>{o=false;if(!AR(t)){return}if(!n){return}t.model.change((t=>{for(const[e,o]of n){t.setAttribute(e,o,i)}}));n=null}),{priority:"high"})}_handleDeleteContentAfterLink(){const t=this.editor;const e=t.model;const n=e.document.selection;const o=t.editing.view;const i=t.commands.get("link");let r=false;let s=false;this.listenTo(o.document,"delete",((t,e)=>{s=e.domEvent.keyCode===td.backspace}),{priority:"high"});this.listenTo(e,"deleteContent",(()=>{r=false;const t=n.getFirstPosition();const o=n.getAttribute("linkHref");if(!o){return}const i=JE(t,"linkHref",o,e);r=i.containsPosition(t)||i.end.isEqual(t)}),{priority:"high"});this.listenTo(e,"deleteContent",(()=>{if(!s){return}s=false;if(r){return}t.model.enqueueChange((t=>{wR(t,i.manualDecorators)}))}),{priority:"low"})}}function wR(t,e){t.removeSelectionAttribute("linkHref");for(const n of e){t.removeSelectionAttribute(n.id)}}function CR(t){const e=t.document.selection;const n=e.getFirstPosition();const o=e.getLastPosition();const i=n.nodeAfter;if(!i){return false}if(!i.is("$text")){return false}if(!i.hasAttribute("linkHref")){return false}const r=o.textNode||o.nodeBefore;if(i===r){return true}const s=JE(n,"linkHref",i.getAttribute("linkHref"),t);return s.containsRange(t.createRange(n,o),true)}function AR(t){const e=t.plugins.get("Input");return e.isInput(t.model.change((t=>t.batch)))}var _R=n(58);var vR={injectType:"singletonStyleTag",attributes:{"data-cke":true}};vR.insert="head";vR.singleton=true;var yR=wk()(_R["a"],vR);var xR=_R["a"].locals||{};class ER extends yk{constructor(t,e){super(t);const n=t.t;this.focusTracker=new mf;this.keystrokes=new gf;this.urlInputView=this._createUrlInput();this.saveButtonView=this._createButton(n("Save"),hk.check,"ck-button-save");this.saveButtonView.type="submit";this.cancelButtonView=this._createButton(n("Cancel"),hk.cancel,"ck-button-cancel","cancel");this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e);this.children=this._createFormChildren(e.manualDecorators);this._focusables=new pk;this._focusCycler=new yw({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form","ck-responsive-form"];if(e.manualDecorators.length){o.push("ck-link-form_layout-vertical","ck-vertical-form")}this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children});mk(this)}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce(((t,e)=>{t[e.name]=e.isOn;return t}),{})}render(){super.render();gk({view:this});const t=[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView];t.forEach((t=>{this._focusables.add(t);this.focusTracker.add(t.element)}));this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t;const e=new sA(this.locale,aA);e.label=t("Link URL");return e}_createButton(t,e,n,o){const i=new fw(this.locale);i.set({label:t,icon:e,tooltip:true});i.extendTemplate({attributes:{class:n}});if(o){i.delegate("execute").to(this,o)}return i}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t.manualDecorators){const o=new kw(this.locale);o.set({name:n.id,label:n.label,withText:true});o.bind("isOn").toMany([n,t],"value",((t,e)=>e===undefined&&t===undefined?n.defaultValue:t));o.on("execute",(()=>{n.set("value",!o.isOn)}));e.add(o)}return e}_createFormChildren(t){const e=this.createCollection();e.add(this.urlInputView);if(t.length){const t=new yk;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map((t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}}))),attributes:{class:["ck","ck-reset","ck-list"]}});e.add(t)}e.add(this.saveButtonView);e.add(this.cancelButtonView);return e}}var DR=n(59);var SR={injectType:"singletonStyleTag",attributes:{"data-cke":true}};SR.insert="head";SR.singleton=true;var BR=wk()(DR["a"],SR);var TR=DR["a"].locals||{};var PR=' ';class IR extends yk{constructor(t){super(t);const e=t.t;this.focusTracker=new mf;this.keystrokes=new gf;this.previewButtonView=this._createPreviewButton();this.unlinkButtonView=this._createButton(e("Unlink"),PR,"unlink");this.editButtonView=this._createButton(e("Edit link"),hk.pencil,"edit");this.set("href");this._focusables=new pk;this._focusCycler=new yw({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render();const t=[this.previewButtonView,this.editButtonView,this.unlinkButtonView];t.forEach((t=>{this._focusables.add(t);this.focusTracker.add(t.element)}));this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const o=new fw(this.locale);o.set({label:t,icon:e,tooltip:true});o.delegate("execute").to(this,n);return o}_createPreviewButton(){const t=new fw(this.locale);const e=this.bindTemplate;const n=this.t;t.set({withText:true,tooltip:n("Open link in new tab")});t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",(t=>t&&UD(t))),target:"_blank",rel:"noopener noreferrer"}});t.bind("label").to(this,"href",(t=>t||n("This link has no URL")));t.bind("isEnabled").to(this,"href",(t=>!!t));t.template.tag="a";t.template.eventListeners={};return t}}var RR=' ';const FR="link-ui";class zR extends Kn{static get requires(){return[IA]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(E_);this.actionsView=this._createActionsView();this.formView=this._createFormView();this._balloon=t.plugins.get(IA);this._createToolbarLinkButton();this._enableUserBalloonInteractions();t.conversion.for("editingDowncast").markerToHighlight({model:FR,view:{classes:["ck-fake-link-selection"]}});t.conversion.for("editingDowncast").markerToElement({model:FR,view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy();this.formView.destroy()}_createActionsView(){const t=this.editor;const e=new IR(t.locale);const n=t.commands.get("link");const o=t.commands.get("unlink");e.bind("href").to(n,"value");e.editButtonView.bind("isEnabled").to(n);e.unlinkButtonView.bind("isEnabled").to(o);this.listenTo(e,"edit",(()=>{this._addFormView()}));this.listenTo(e,"unlink",(()=>{t.execute("unlink");this._hideUI()}));e.keystrokes.set("Esc",((t,e)=>{this._hideUI();e()}));e.keystrokes.set(jD,((t,e)=>{this._addFormView();e()}));return e}_createFormView(){const t=this.editor;const e=t.commands.get("link");const n=t.config.get("link.defaultProtocol");const o=new ER(t.locale,e);o.urlInputView.fieldView.bind("value").to(e,"value");o.urlInputView.bind("isReadOnly").to(e,"isEnabled",(t=>!t));o.saveButtonView.bind("isEnabled").to(e);this.listenTo(o,"submit",(()=>{const{value:e}=o.urlInputView.fieldView.element;const i=ZD(e,n);t.execute("link",i,o.getDecoratorSwitchesState());this._closeFormView()}));this.listenTo(o,"cancel",(()=>{this._closeFormView()}));o.keystrokes.set("Esc",((t,e)=>{this._closeFormView();e()}));return o}_createToolbarLinkButton(){const t=this.editor;const e=t.commands.get("link");const n=t.t;t.keystrokes.set(jD,((t,n)=>{n();if(e.isEnabled){this._showUI(true)}}));t.ui.componentFactory.add("link",(t=>{const o=new fw(t);o.isEnabled=true;o.label=n("Link");o.icon=RR;o.keystroke=jD;o.tooltip=true;o.isToggleable=true;o.bind("isEnabled").to(e,"isEnabled");o.bind("isOn").to(e,"value",(t=>!!t));this.listenTo(o,"execute",(()=>this._showUI(true)));return o}))}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",(()=>{const t=this._getSelectedLinkElement();if(t){this._showUI()}}));this.editor.keystrokes.set("Tab",((t,e)=>{if(this._areActionsVisible&&!this.actionsView.focusTracker.isFocused){this.actionsView.focus();e()}}),{priority:"high"});this.editor.keystrokes.set("Esc",((t,e)=>{if(this._isUIVisible){this._hideUI();e()}}));fk({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){if(this._areActionsInPanel){return}this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel){return}const t=this.editor;const e=t.commands.get("link");this.formView.disableCssTransitions();this._balloon.add({view:this.formView,position:this._getBalloonPositionData()});if(this._balloon.visibleView===this.formView){this.formView.urlInputView.fieldView.select()}this.formView.enableCssTransitions();this.formView.urlInputView.fieldView.element.value=e.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates();if(t.value!==undefined){this._removeFormView()}else{this._hideUI()}}_removeFormView(){if(this._isFormInPanel){this.formView.saveButtonView.focus();this._balloon.remove(this.formView);this.editor.editing.view.focus();this._hideFakeVisualSelection()}}_showUI(t=false){if(!this._getSelectedLinkElement()){this._showFakeVisualSelection();this._addActionsView();if(t){this._balloon.showStack("main")}this._addFormView()}else{if(this._areActionsVisible){this._addFormView()}else{this._addActionsView()}if(t){this._balloon.showStack("main")}}this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel){return}const t=this.editor;this.stopListening(t.ui,"update");this.stopListening(this._balloon,"change:visibleView");t.editing.view.focus();this._removeFormView();this._balloon.remove(this.actionsView);this._hideFakeVisualSelection()}_startUpdatingUI(){const t=this.editor;const e=t.editing.view.document;let n=this._getSelectedLinkElement();let o=r();const i=()=>{const t=this._getSelectedLinkElement();const e=r();if(n&&!t||!n&&e!==o){this._hideUI()}else if(this._isUIVisible){this._balloon.updatePosition(this._getBalloonPositionData())}n=t;o=e};function r(){return e.selection.focus.getAncestors().reverse().find((t=>t.is("element")))}this.listenTo(t.ui,"update",i);this.listenTo(this._balloon,"change:visibleView",i)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){const t=this._balloon.visibleView;return t==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view;const e=this.editor.model;const n=t.document;let o=null;if(e.markers.has(FR)){const e=Array.from(this.editor.editing.mapper.markerNameToElements(FR));const n=t.createRange(t.createPositionBefore(e[0]),t.createPositionAfter(e[e.length-1]));o=t.domConverter.viewRangeToDom(n)}else{const e=this._getSelectedLinkElement();const i=n.selection.getFirstRange();o=e?t.domConverter.mapViewToDom(e):t.domConverter.viewRangeToDom(i)}return{target:o}}_getSelectedLinkElement(){const t=this.editor.editing.view;const e=t.document.selection;if(e.isCollapsed){return OR(e.getFirstPosition())}else{const n=e.getFirstRange().getTrimmed();const o=OR(n.start);const i=OR(n.end);if(!o||o!=i){return null}if(t.createRangeIn(o).getTrimmed().isEqual(n)){return o}else{return null}}}_showFakeVisualSelection(){const t=this.editor.model;t.change((e=>{const n=t.document.selection.getFirstRange();if(t.markers.has(FR)){e.updateMarker(FR,{range:n})}else{if(n.start.isAtEnd){const o=n.start.getLastMatchingPosition((({item:e})=>!t.schema.isContent(e)),{boundaries:n});e.addMarker(FR,{usingOperation:false,affectsData:false,range:e.createRange(o,n.end)})}else{e.addMarker(FR,{usingOperation:false,affectsData:false,range:n})}}}))}_hideFakeVisualSelection(){const t=this.editor.model;if(t.markers.has(FR)){t.change((t=>{t.removeMarker(FR)}))}}}function OR(t){return t.getAncestors().find((t=>WD(t)))}class NR extends Kn{static get requires(){return[kR,zR,oS]}static get pluginName(){return"Link"}}class MR extends Kn{static get requires(){return["ImageEditing",kR]}static get pluginName(){return"LinkImageEditing"}init(){const t=this.editor;t.model.schema.extend("image",{allowAttributes:["linkHref"]});t.conversion.for("upcast").add(VR());t.conversion.for("editingDowncast").add(LR({attachIconIndicator:true}));t.conversion.for("dataDowncast").add(LR({attachIconIndicator:false}));this._enableAutomaticDecorators();this._enableManualDecorators()}_enableAutomaticDecorators(){const t=this.editor;const e=t.commands.get("link");const n=e.automaticDecorators;if(n.length){t.conversion.for("downcast").add(n.getDispatcherForLinkedImage())}}_enableManualDecorators(){const t=this.editor;const e=t.commands.get("link");const n=e.manualDecorators;for(const o of e.manualDecorators){t.model.schema.extend("image",{allowAttributes:o.id});t.conversion.for("downcast").add(HR(n,o));t.conversion.for("upcast").add(KR(n,o))}}}function VR(){return t=>{t.on("element:a",((t,e,n)=>{const o=e.viewItem;const i=qR(o);if(!i){return}const r={attributes:["href"]};if(!n.consumable.consume(o,r)){return}const s=o.getAttribute("href");if(!s){return}let a=e.modelCursor.parent;if(!a.is("element","image")){const t=n.convertItem(i,e.modelCursor);e.modelRange=t.modelRange;e.modelCursor=t.modelCursor;a=e.modelCursor.nodeBefore}if(a&&a.is("element","image")){n.writer.setAttribute("linkHref",s,a)}}),{priority:"high"})}}function LR(t){return e=>{e.on("attribute:linkHref:image",((e,n,o)=>{const i=o.mapper.toViewElement(n.item);const r=o.writer;const s=Array.from(i.getChildren()).find((t=>t.name==="a"));let a;if(t.attachIconIndicator){a=r.createUIElement("span",{class:"ck ck-link-image_icon"},(function(t){const e=this.toDomElement(t);e.innerHTML=RR;return e}))}if(s){if(n.attributeNewValue){r.setAttribute("href",n.attributeNewValue,s)}else{const t=Array.from(s.getChildren()).find((t=>t.name==="img"));r.move(r.createRangeOn(t),r.createPositionAt(i,0));r.remove(s)}}else{const t=r.createContainerElement("a",{href:n.attributeNewValue});r.insert(r.createPositionAt(i,0),t);r.move(r.createRangeOn(i.getChild(1)),r.createPositionAt(t,0));if(a){r.insert(r.createPositionAt(t,"end"),a)}}}))}}function HR(t,e){return n=>{n.on(`attribute:${e.id}:image`,((n,o,i)=>{const r=t.get(e.id).attributes;const s=i.mapper.toViewElement(o.item);const a=Array.from(s.getChildren()).find((t=>t.name==="a"));if(!a){return}for(const[t,e]of La(r)){i.writer.setAttribute(t,e,a)}}))}}function KR(t,e){return n=>{n.on("element:a",((n,o,i)=>{const r=o.viewItem;const s=qR(r);if(!s){return}const a={attributes:t.get(e.id).attributes};const c=new Ha(a);const l=c.match(r);if(!l){return}if(!i.consumable.consume(r,l.match)){return}const d=o.modelCursor.nodeBefore||o.modelCursor.parent;i.writer.setAttribute(e.id,true,d)}),{priority:"high"})}}function qR(t){return Array.from(t.getChildren()).find((t=>t.name==="img"))}class jR extends Kn{static get requires(){return[kR,zR,"Image"]}static get pluginName(){return"LinkImageUI"}init(){const t=this.editor;const e=t.editing.view.document;this.listenTo(e,"click",((n,o)=>{const i=WR(e.selection.getSelectedElement(),t.plugins.get("Image"));if(i){o.preventDefault()}}));this._createToolbarLinkImageButton()}_createToolbarLinkImageButton(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("linkImage",(n=>{const o=new fw(n);const i=t.plugins.get("LinkUI");const r=t.commands.get("link");o.set({isEnabled:true,label:e("Link image"),icon:RR,keystroke:jD,tooltip:true,isToggleable:true});o.bind("isEnabled").to(r,"isEnabled");o.bind("isOn").to(r,"value",(t=>!!t));this.listenTo(o,"execute",(()=>{const e=WR(t.editing.view.document.selection.getSelectedElement(),t.plugins.get("Image"));if(e){i._addActionsView()}else{i._showUI(true)}}));return o}))}}function WR(t,e){const n=t&&e.isImageWidget(t);if(!n){return false}return t.getChild(0).is("element","a")}var GR=n(60);var UR={injectType:"singletonStyleTag",attributes:{"data-cke":true}};UR.insert="head";UR.singleton=true;var $R=wk()(GR["a"],UR);var JR=GR["a"].locals||{};class YR extends Kn{static get requires(){return[MR,jR]}static get pluginName(){return"LinkImage"}}class QR extends jn{constructor(t,e){super(t);this.type=e}refresh(){this.value=this._getValue();this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;const e=t.document;const n=Array.from(e.selection.getSelectedBlocks()).filter((e=>ZR(e,t.schema)));const o=this.value===true;t.change((t=>{if(o){let e=n[n.length-1].nextSibling;let o=Number.POSITIVE_INFINITY;let i=[];while(e&&e.name=="listItem"&&e.getAttribute("listIndent")!==0){const t=e.getAttribute("listIndent");if(t=n){if(r>i.getAttribute("listIndent")){r=i.getAttribute("listIndent")}if(i.getAttribute("listIndent")==r){t[e?"unshift":"push"](i)}i=i[e?"previousSibling":"nextSibling"]}}}function ZR(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class tF extends jn{constructor(t,e){super(t);this._indentBy=e=="forward"?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;const e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change((t=>{const e=n[n.length-1];let o=e.nextSibling;while(o&&o.name=="listItem"&&o.getAttribute("listIndent")>e.getAttribute("listIndent")){n.push(o);o=o.nextSibling}if(this._indentBy<0){n=n.reverse()}for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;if(n<0){t.rename(e,"paragraph")}else{t.setAttribute("listIndent",n,e)}}this.fire("_executeCleanup",n)}))}_checkEnabled(){const t=ff(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("element","listItem")){return false}if(this._indentBy>0){const e=t.getAttribute("listIndent");const n=t.getAttribute("listType");let o=t.previousSibling;while(o&&o.is("element","listItem")&&o.getAttribute("listIndent")>=e){if(o.getAttribute("listIndent")==e){return o.getAttribute("listType")==n}o=o.previousSibling}return false}return true}}function eF(t){const e=t.createContainerElement("li");e.getFillerOffset=dF;return e}function nF(t,e){const n=e.mapper;const o=e.writer;const i=t.getAttribute("listType")=="numbered"?"ol":"ul";const r=eF(o);const s=o.createContainerElement(i,null);o.insert(o.createPositionAt(s,0),r);n.bindElements(t,r);return r}function oF(t,e,n,o){const i=e.parent;const r=n.mapper;const s=n.writer;let a=r.toViewPosition(o.createPositionBefore(t));const c=sF(t.previousSibling,{sameIndent:true,smallerIndent:true,listIndent:t.getAttribute("listIndent")});const l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else{if(l&&l.name=="listItem"){a=r.toViewPosition(o.createPositionAt(l,"end"));const t=r.findMappedViewAncestor(a);const e=cF(t);if(e){a=s.createPositionBefore(e)}else{a=s.createPositionAt(t,"end")}}else{a=r.toViewPosition(o.createPositionBefore(t))}}a=rF(a);s.insert(a,i);if(l&&l.name=="listItem"){const t=r.toViewElement(l);const n=s.createRange(s.createPositionAt(t,0),a);const o=n.getWalker({ignoreElementEnd:true});for(const t of o){if(t.item.is("element","li")){const n=s.breakContainer(s.createPositionBefore(t.item));const i=t.item.parent;const r=s.createPositionAt(e,"end");iF(s,r.nodeBefore,r.nodeAfter);s.move(s.createRangeOn(i),r);o.position=n}}}else{const n=i.nextSibling;if(n&&(n.is("element","ul")||n.is("element","ol"))){let o=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")){o=e}else{break}}if(o){s.breakContainer(s.createPositionAfter(o));s.move(s.createRangeOn(o.parent),s.createPositionAt(e,"end"))}}}iF(s,i,i.nextSibling);iF(s,i.previousSibling,i)}function iF(t,e,n){if(!e||!n||e.name!="ul"&&e.name!="ol"){return null}if(e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")){return null}return t.mergeContainers(t.createPositionAfter(e))}function rF(t){return t.getLastMatchingPosition((t=>t.item.is("uiElement")))}function sF(t,e){const n=!!e.sameIndent;const o=!!e.smallerIndent;const i=e.listIndent;let r=t;while(r&&r.name=="listItem"){const t=r.getAttribute("listIndent");if(n&&i==t||o&&i>t){return r}if(e.direction==="forward"){r=r.nextSibling}else{r=r.previousSibling}}return null}function aF(t,e,n,o){t.ui.componentFactory.add(e,(i=>{const r=t.commands.get(e);const s=new fw(i);s.set({label:n,icon:o,tooltip:true,isToggleable:true});s.bind("isOn","isEnabled").to(r,"value","isEnabled");s.on("execute",(()=>{t.execute(e);t.editing.view.focus()}));return s}))}function cF(t){for(const e of t.getChildren()){if(e.name=="ul"||e.name=="ol"){return e}}return null}function lF(t,e){const n=[];const o=t.parent;const i={ignoreElementEnd:true,startPosition:t,shallow:true,direction:e};const r=o.getAttribute("listIndent");const s=[...new Of(i)].filter((t=>t.item.is("element"))).map((t=>t.item));for(const t of s){if(!t.is("element","listItem")){break}if(t.getAttribute("listIndent")r){continue}if(t.getAttribute("listType")!==o.getAttribute("listType")){break}if(t.getAttribute("listStyle")!==o.getAttribute("listStyle")){break}if(e==="backward"){n.unshift(t)}else{n.push(t)}}return n}function dF(){const t=!this.isEmpty&&(this.getChild(0).name=="ul"||this.getChild(0).name=="ol");if(this.isEmpty||t){return 0}return pl.call(this)}function uF(t){return(e,n,o)=>{const i=o.consumable;if(!i.test(n.item,"insert")||!i.test(n.item,"attribute:listType")||!i.test(n.item,"attribute:listIndent")){return}i.consume(n.item,"insert");i.consume(n.item,"attribute:listType");i.consume(n.item,"attribute:listIndent");const r=n.item;const s=nF(r,o);oF(r,s,o,t)}}function hF(t){return(e,n,o)=>{const i=o.mapper.toViewPosition(n.position);const r=i.getLastMatchingPosition((t=>!t.item.is("element","li")));const s=r.nodeAfter;const a=o.writer;a.breakContainer(a.createPositionBefore(s));a.breakContainer(a.createPositionAfter(s));const c=s.parent;const l=c.previousSibling;const d=a.createRangeOn(c);const u=a.remove(d);if(l&&l.nextSibling){iF(a,l,l.nextSibling)}const h=o.mapper.toModelElement(s);DF(h.getAttribute("listIndent")+1,n.position,d.start,s,o,t);for(const t of a.createRangeIn(u).getItems()){o.mapper.unbindViewElement(t)}e.stop()}}function fF(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType")){return}const o=n.mapper.toViewElement(e.item);const i=n.writer;i.breakContainer(i.createPositionBefore(o));i.breakContainer(i.createPositionAfter(o));const r=o.parent;const s=e.attributeNewValue=="numbered"?"ol":"ul";i.rename(s,r)}function mF(t,e,n){const o=n.mapper.toViewElement(e.item);const i=o.parent;const r=n.writer;iF(r,i,i.nextSibling);iF(r,i.previousSibling,i);for(const t of e.item.getChildren()){n.consumable.consume(t,"insert")}}function gF(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,"attribute:listIndent")){return}const i=o.mapper.toViewElement(n.item);const r=o.writer;r.breakContainer(r.createPositionBefore(i));r.breakContainer(r.createPositionAfter(i));const s=i.parent;const a=s.previousSibling;const c=r.createRangeOn(s);r.remove(c);if(a&&a.nextSibling){iF(r,a,a.nextSibling)}DF(n.attributeOldValue+1,n.range.start,c.start,i,o,t);oF(n.item,i,o,t);for(const t of n.item.getChildren()){o.consumable.consume(t,"insert")}}}function pF(t,e,n){if(e.item.name!="listItem"){let t=n.mapper.toViewPosition(e.range.start);const o=n.writer;const i=[];while(t.parent.name=="ul"||t.parent.name=="ol"){t=o.breakContainer(t);if(t.parent.name!="li"){break}const e=t;const n=o.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=o.remove(o.createRange(e,n));i.push(t)}t=o.createPositionAfter(t.parent)}if(i.length>0){for(let e=0;e0){const e=iF(o,n,n.nextSibling);if(e&&e.parent==n){t.offset--}}}iF(o,t.nodeBefore,t.nodeAfter)}}}function bF(t,e,n){const o=n.mapper.toViewPosition(e.position);const i=o.nodeBefore;const r=o.nodeAfter;iF(n.writer,i,r)}function kF(t,e,n){if(n.consumable.consume(e.viewItem,{name:true})){const t=n.writer;const o=t.createElement("listItem");const i=BF(e.viewItem);t.setAttribute("listIndent",i,o);const r=e.viewItem.parent&&e.viewItem.parent.name=="ol"?"numbered":"bulleted";t.setAttribute("listType",r,o);if(!n.safeInsert(o,e.modelCursor)){return}const s=xF(o,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,s);n.updateConversionResult(o,e)}}function wF(t,e,n){if(n.consumable.test(e.viewItem,{name:true})){const t=Array.from(e.viewItem.getChildren());for(const e of t){const t=!(e.is("element","li")||SF(e));if(t){e._remove()}}}}function CF(t,e,n){if(n.consumable.test(e.viewItem,{name:true})){if(e.viewItem.childCount===0){return}const t=[...e.viewItem.getChildren()];let n=false;let o=true;for(const e of t){if(n&&!SF(e)){e._remove()}if(e.is("$text")){if(o){e._data=e.data.trimStart()}if(!e.nextSibling||SF(e.nextSibling)){e._data=e.data.trimEnd()}}else if(SF(e)){n=true}o=false}}}function AF(t){return(e,n)=>{if(n.isPhantom){return}const o=n.modelPosition.nodeBefore;if(o&&o.is("element","listItem")){const e=n.mapper.toViewElement(o);const i=e.getAncestors().find(SF);const r=t.createPositionAt(e,0).getWalker();for(const t of r){if(t.type=="elementStart"&&t.item.is("element","li")){n.viewPosition=t.previousPosition;break}else if(t.type=="elementEnd"&&t.item==i){n.viewPosition=t.nextPosition;break}}}}}function _F(t){return(e,n)=>{const o=n.viewPosition;const i=o.parent;const r=n.mapper;if(i.name=="ul"||i.name=="ol"){if(!o.isAtEnd){const e=r.toModelElement(o.nodeAfter);n.modelPosition=t.createPositionBefore(e)}else{const e=r.toModelElement(o.nodeBefore);const i=r.getModelLength(o.nodeBefore);n.modelPosition=t.createPositionBefore(e).getShiftedBy(i)}e.stop()}else if(i.name=="li"&&o.nodeBefore&&(o.nodeBefore.name=="ul"||o.nodeBefore.name=="ol")){const s=r.toModelElement(i);let a=1;let c=o.nodeBefore;while(c&&SF(c)){a+=r.getModelLength(c);c=c.previousSibling}n.modelPosition=t.createPositionBefore(s).getShiftedBy(a);e.stop()}}}function vF(t,e){const n=t.document.differ.getChanges();const o=new Map;let i=false;for(const o of n){if(o.type=="insert"&&o.name=="listItem"){r(o.position)}else if(o.type=="insert"&&o.name!="listItem"){if(o.name!="$text"){const n=o.position.nodeAfter;if(n.hasAttribute("listIndent")){e.removeAttribute("listIndent",n);i=true}if(n.hasAttribute("listType")){e.removeAttribute("listType",n);i=true}if(n.hasAttribute("listStyle")){e.removeAttribute("listStyle",n);i=true}for(const e of Array.from(t.createRangeIn(n)).filter((t=>t.item.is("element","listItem")))){r(e.previousPosition)}}const n=o.position.getShiftedBy(o.length);r(n)}else if(o.type=="remove"&&o.name=="listItem"){r(o.position)}else if(o.type=="attribute"&&o.attributeKey=="listIndent"){r(o.range.start)}else if(o.type=="attribute"&&o.attributeKey=="listType"){r(o.range.start)}}for(const t of o.values()){s(t);a(t)}return i;function r(t){const e=t.nodeBefore;if(!e||!e.is("element","listItem")){const e=t.nodeAfter;if(e&&e.is("element","listItem")){o.set(e,e)}}else{let t=e;if(o.has(t)){return}for(let e=t.previousSibling;e&&e.is("element","listItem");e=t.previousSibling){t=e;if(o.has(t)){return}}o.set(e,t)}}function s(t){let n=0;let o=null;while(t&&t.is("element","listItem")){const r=t.getAttribute("listIndent");if(r>n){let s;if(o===null){o=r-n;s=n}else{if(o>r){o=r}s=r-o}e.setAttribute("listIndent",s,t);i=true}else{o=null;n=t.getAttribute("listIndent")+1}t=t.nextSibling}}function a(t){let n=[];let o=null;while(t&&t.is("element","listItem")){const r=t.getAttribute("listIndent");if(o&&o.getAttribute("listIndent")>r){n=n.slice(0,r+1)}if(r!=0){if(n[r]){const o=n[r];if(t.getAttribute("listType")!=o){e.setAttribute("listType",o,t);i=true}}else{n[r]=t.getAttribute("listType")}}o=t;t=t.nextSibling}}}function yF(t,[e,n]){let o=e.is("documentFragment")?e.getChild(0):e;let i;if(!n){i=this.document.selection}else{i=this.createSelection(n)}if(o&&o.is("element","listItem")){const t=i.getFirstPosition();let e=null;if(t.parent.is("element","listItem")){e=t.parent}else if(t.nodeBefore&&t.nodeBefore.is("element","listItem")){e=t.nodeBefore}if(e){const t=e.getAttribute("listIndent");if(t>0){while(o&&o.is("element","listItem")){o._setAttribute("listIndent",o.getAttribute("listIndent")+t);o=o.nextSibling}}}}}function xF(t,e,n){const{writer:o,schema:i}=n;let r=o.createPositionAfter(t);for(const s of e){if(s.name=="ul"||s.name=="ol"){r=n.convertItem(s,r).modelCursor}else{const e=n.convertItem(s,o.createPositionAt(t,"end"));const a=e.modelRange.start.nodeAfter;const c=a&&a.is("element")&&!i.checkChild(t,a.name);if(c){if(e.modelCursor.parent.is("element","listItem")){t=e.modelCursor.parent}else{t=EF(e.modelCursor)}r=o.createPositionAfter(t)}}}return r}function EF(t){const e=new Of({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("element","listItem"));return n.value.item}function DF(t,e,n,o,i,r){const s=sF(e.nodeBefore,{sameIndent:true,smallerIndent:true,listIndent:t,foo:"b"});const a=i.mapper;const c=i.writer;const l=s?s.getAttribute("listIndent"):null;let d;if(!s){d=n}else if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}d=rF(d);for(const t of[...o.getChildren()]){if(SF(t)){d=c.move(c.createRangeOn(t),d).end;iF(c,t,t.nextSibling);iF(c,t.previousSibling,t)}}}function SF(t){return t.is("element","ol")||t.is("element","ul")}function BF(t){let e=0;let n=t.parent;while(n){if(n.is("element","li")){e++}else{const t=n.previousSibling;if(t&&t.is("element","li")){e++}}n=n.parent}return e}class TF extends Kn{static get pluginName(){return"ListEditing"}static get requires(){return[ty,iy]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data;const n=t.editing;t.model.document.registerPostFixer((e=>vF(t.model,e)));n.mapper.registerViewToModelLength("li",PF);e.mapper.registerViewToModelLength("li",PF);n.mapper.on("modelToViewPosition",AF(n.view));n.mapper.on("viewToModelPosition",_F(t.model));e.mapper.on("modelToViewPosition",AF(n.view));t.conversion.for("editingDowncast").add((e=>{e.on("insert",pF,{priority:"high"});e.on("insert:listItem",uF(t.model));e.on("attribute:listType:listItem",fF,{priority:"high"});e.on("attribute:listType:listItem",mF,{priority:"low"});e.on("attribute:listIndent:listItem",gF(t.model));e.on("remove:listItem",hF(t.model));e.on("remove",bF,{priority:"low"})}));t.conversion.for("dataDowncast").add((e=>{e.on("insert",pF,{priority:"high"});e.on("insert:listItem",uF(t.model))}));t.conversion.for("upcast").add((t=>{t.on("element:ul",wF,{priority:"high"});t.on("element:ol",wF,{priority:"high"});t.on("element:li",CF,{priority:"high"});t.on("element:li",kF)}));t.model.on("insertContent",yF,{priority:"high"});t.commands.add("numberedList",new QR(t,"numbered"));t.commands.add("bulletedList",new QR(t,"bulleted"));t.commands.add("indentList",new tF(t,"forward"));t.commands.add("outdentList",new tF(t,"backward"));const o=n.view.document;this.listenTo(o,"enter",((t,e)=>{const n=this.editor.model.document;const o=n.selection.getLastPosition().parent;if(n.selection.isCollapsed&&o.name=="listItem"&&o.isEmpty){this.editor.execute("outdentList");e.preventDefault();t.stop()}}),{context:"li"});this.listenTo(o,"delete",((t,e)=>{if(e.direction!=="backward"){return}const n=this.editor.model.document.selection;if(!n.isCollapsed){return}const o=n.getFirstPosition();if(!o.isAtStart){return}const i=o.parent;if(i.name!=="listItem"){return}const r=i.previousSibling&&i.previousSibling.name==="listItem";if(r){return}this.editor.execute("outdentList");e.preventDefault();t.stop()}),{context:"li"});const i=t=>(e,n)=>{const o=this.editor.commands.get(t);if(o.isEnabled){this.editor.execute(t);n()}};t.keystrokes.set("Tab",i("indentList"));t.keystrokes.set("Shift+Tab",i("outdentList"))}afterInit(){const t=this.editor.commands;const e=t.get("indent");const n=t.get("outdent");if(e){e.registerChildCommand(t.get("indentList"))}if(n){n.registerChildCommand(t.get("outdentList"))}}}function PF(t){let e=1;for(const n of t.getChildren()){if(n.name=="ul"||n.name=="ol"){for(const t of n.getChildren()){e+=PF(t)}}}return e}var IF=' ';var RF=' ';class FF extends Kn{static get pluginName(){return"ListUI"}init(){const t=this.editor.t;aF(this.editor,"numberedList",t("Numbered List"),IF);aF(this.editor,"bulletedList",t("Bulleted List"),RF)}}class zF extends Kn{static get requires(){return[TF,FF]}static get pluginName(){return"List"}}function OF(t,e){for(const n of t.getChildren()){if(n.is("element","b")&&n.getStyle("font-weight")==="normal"){const o=t.getChildIndex(n);e.remove(n);e.insertChild(o,n.getChildren(),t)}}}function NF(t,e){if(!t.childCount){return}const n=new S_(t.document);const o=VF(t,n);if(!o.length){return}let i=null;let r=1;o.forEach(((t,s)=>{const a=$F(o[s-1],t);const c=a?null:o[s-1];const l=YF(c,t);if(a){i=null;r=1}if(!i||l!==0){const o=LF(t,e);if(!i){i=jF(o,t.element,n)}else if(t.indent>r){const t=i.getChild(i.childCount-1);const e=t.getChild(t.childCount-1);i=jF(o,e,n);r+=1}else if(t.indent[^\S\r\n]*?)[\r\n]+([^\S\r\n]*<\/span>)/g,"$1$2").replace(/<\/span>/g,"").replace(/ <\//g," ").replace(/ <\/o:p>/g," ").replace(/( |\u00A0)<\/o:p>/g,"").replace(/>([^\S\r\n]*[\r\n]\s*)<")}function ez(t){t.querySelectorAll("span[style*=spacerun]").forEach((t=>{const e=t.innerText.length||0;t.innerHTML=Array(e+1).join(" ").substr(0,e)}))}function nz(t){return t.replace(/(\s+)<\/span>/g,((t,e)=>e.length===1?" ":Array(e.length+1).join(" ").substr(0,e.length)))}function oz(t,e){const n=new DOMParser;t=t.replace(/
+
+
+
+ CKEditor 5 ClassicEditor build
+
+
+
+
+
+
+
+
+
+
+
CKEditor 5 online builder demo - ClassicEditor build
+
+
+
+
+
+
Bilingual Personality Disorder
+
+ One language, one person.
+
+
+ This may be the first time you hear about this made-up disorder but
+ it actually isn’t so far from the truth. Even the studies that were conducted almost half a century show that
+ the language you speak has more effects on you than you realise .
+
+
+ One of the very first experiments conducted on this topic dates back to 1964.
+ In the experiment
+ designed by linguist Ervin-Tripp who is an authority expert in psycholinguistic and sociolinguistic studies,
+ adults who are bilingual in English in French were showed series of pictures and were asked to create 3-minute stories.
+ In the end participants emphasized drastically different dynamics for stories in English and French.
+
+
+ Another ground-breaking experiment which included bilingual Japanese women married to American men in San Francisco were
+ asked to complete sentences. The goal of the experiment was to investigate whether or not human feelings and thoughts
+ are expressed differently in different language mindsets .
+ is a sample from the the experiment:
+
+
+
+
+
+ English
+ Japanese
+
+
+
+
+ Real friends should
+ Be very frank
+ Help each other
+
+
+ I will probably become
+ A teacher
+ A housewife
+
+
+ When there is a conflict with family
+ I do what I want
+ It's a time of great unhappiness
+
+
+
+
+ More recent studies show, the language a person speaks affects
+ their cognition, behaviour, emotions and hence their personality .
+ This shouldn’t come as a surprise
+ since we already know that different regions
+ of the brain become more active depending on the person’s activity at hand. Since structure, information and especially
+ the culture of languages varies substantially and the language a person speaks is an essential element of daily life.
+
+
+
+
+
+
+ CKEditor 5
+ – Rich text editor of tomorrow, available today
+
+ Copyright © 2003-2021,
+ CKSource
+ – Frederico Knabben. All rights reserved.
+
+
+
+
+
\ No newline at end of file
diff --git a/lib/ckeditor5/sample/styles.css b/lib/ckeditor5/sample/styles.css
new file mode 100644
index 0000000..a882e34
--- /dev/null
+++ b/lib/ckeditor5/sample/styles.css
@@ -0,0 +1,465 @@
+/**
+ * @license Copyright (c) 2014-2021, CKSource - Frederico Knabben. All rights reserved.
+ * This file is licensed under the terms of the MIT License (see LICENSE.md).
+ */
+
+ :root {
+ --ck-sample-base-spacing: 2em;
+ --ck-sample-color-white: #fff;
+ --ck-sample-color-green: #279863;
+ --ck-sample-color-blue: #1a9aef;
+ --ck-sample-container-width: 1285px;
+ --ck-sample-sidebar-width: 350px;
+ --ck-sample-editor-min-height: 400px;
+ --ck-sample-editor-z-index: 10;
+}
+
+/* --------- EDITOR STYLES ---------------------------------------------------------------------------------------- */
+
+.editor__editable,
+/* Classic build. */
+main .ck-editor[role='application'] .ck.ck-content,
+/* Decoupled document build. */
+.ck.editor__editable[role='textbox'],
+.ck.ck-editor__editable[role='textbox'],
+/* Inline & Balloon build. */
+.ck.editor[role='textbox'] {
+ width: 100%;
+ background: #fff;
+ font-size: 1em;
+ line-height: 1.6em;
+ min-height: var(--ck-sample-editor-min-height);
+ padding: 1.5em 2em;
+}
+
+.ck.ck-editor__editable {
+ background: #fff;
+ border: 1px solid hsl(0, 0%, 70%);
+ width: 100%;
+}
+
+.ck.ck-editor {
+ /* To enable toolbar wrapping. */
+ width: 100%;
+ overflow-x: hidden;
+}
+
+/* Because of sidebar `position: relative`, Edge is overriding the outline of a focused editor. */
+.ck.ck-editor__editable {
+ position: relative;
+ z-index: var(--ck-sample-editor-z-index);
+}
+
+/* --------- DECOUPLED (DOCUMENT) BUILD. ---------------------------------------------*/
+body[data-editor='DecoupledDocumentEditor'] .document-editor__toolbar {
+ width: 100%;
+}
+
+body[ data-editor='DecoupledDocumentEditor'] .collaboration-demo__editable,
+body[ data-editor='DecoupledDocumentEditor'] .row-editor .editor {
+ width: 18.5cm;
+ height: 100%;
+ min-height: 26.25cm;
+ padding: 1.75cm 1.5cm;
+ margin: 2.5rem;
+ border: 1px hsl( 0, 0%, 82.7% ) solid;
+ background-color: var(--ck-sample-color-white);
+ box-shadow: 0 0 5px hsla( 0, 0%, 0%, .1 );
+}
+
+body[ data-editor='DecoupledDocumentEditor'] .row-editor {
+ display: flex;
+ position: relative;
+ justify-content: center;
+ overflow-y: auto;
+ background-color: #f2f2f2;
+ border: 1px solid hsl(0, 0%, 77%);
+}
+
+body[data-editor='DecoupledDocumentEditor'] .sidebar {
+ background: transparent;
+ border: 0;
+ box-shadow: none;
+}
+
+/* --------- COMMENTS & TRACK CHANGES FEATURE ---------------------------------------------------------------------- */
+.sidebar {
+ padding: 0 15px;
+ position: relative;
+ min-width: var(--ck-sample-sidebar-width);
+ max-width: var(--ck-sample-sidebar-width);
+ font-size: 20px;
+ border: 1px solid hsl(0, 0%, 77%);
+ background: hsl(0, 0%, 98%);
+ border-left: 0;
+ overflow: hidden;
+ min-height: 100%;
+ flex-grow: 1;
+}
+
+/* Do not inherit styles related to the editable editor content. See line 25.*/
+.sidebar .ck-content[role='textbox'],
+.ck.ck-annotation-wrapper .ck-content[role='textbox'] {
+ min-height: unset;
+ width: unset;
+ padding: 0;
+ background: transparent;
+}
+
+.sidebar.narrow {
+ min-width: 60px;
+ flex-grow: 0;
+}
+
+.sidebar.hidden {
+ display: none !important;
+}
+
+#sidebar-display-toggle {
+ position: absolute;
+ z-index: 1;
+ width: 30px;
+ height: 30px;
+ text-align: center;
+ left: 15px;
+ top: 30px;
+ border: 0;
+ padding: 0;
+ color: hsl( 0, 0%, 50% );
+ transition: 250ms ease color;
+ background-color: transparent;
+}
+
+#sidebar-display-toggle:hover {
+ color: hsl( 0, 0%, 30% );
+ cursor: pointer;
+}
+
+#sidebar-display-toggle:focus,
+#sidebar-display-toggle:active {
+ outline: none;
+ border: 1px solid #a9d29d;
+}
+
+#sidebar-display-toggle svg {
+ fill: currentColor;
+}
+
+/* --------- COLLABORATION FEATURES (USERS) ------------------------------------------------------------------------ */
+.row-presence {
+ width: 100%;
+ border: 1px solid hsl(0, 0%, 77%);
+ border-bottom: 0;
+ background: hsl(0, 0%, 98%);
+ padding: var(--ck-spacing-small);
+
+ /* Make `border-bottom` as `box-shadow` to not overlap with the editor border. */
+ box-shadow: 0 1px 0 0 hsl(0, 0%, 77%);
+
+ /* Make `z-index` bigger than `.editor` to properly display tooltips. */
+ z-index: 20;
+}
+
+.ck.ck-presence-list {
+ flex: 1;
+ padding: 1.25rem .75rem;
+}
+
+.presence .ck.ck-presence-list__counter {
+ order: 2;
+ margin-left: var(--ck-spacing-large)
+}
+
+/* --------- REAL TIME COLLABORATION FEATURES (SHARE TOPBAR CONTAINER) --------------------------------------------- */
+.collaboration-demo__row {
+ display: flex;
+ position: relative;
+ justify-content: center;
+ overflow-y: auto;
+ background-color: #f2f2f2;
+ border: 1px solid hsl(0, 0%, 77%);
+}
+
+body[ data-editor='InlineEditor'] .collaboration-demo__row {
+ border: 0;
+}
+
+.collaboration-demo__container {
+ max-width: var(--ck-sample-container-width);
+ margin: 0 auto;
+ padding: 1.25rem;
+}
+
+.presence, .collaboration-demo__row {
+ transition: .2s opacity;
+}
+
+.collaboration-demo__topbar {
+ background: #fff;
+ border: 1px solid var(--ck-color-toolbar-border);
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ border-bottom: 0;
+ border-radius: 4px 4px 0 0;
+}
+
+.collaboration-demo__topbar .btn {
+ margin-right: 1em;
+ outline-offset: 2px;
+ outline-width: 2px;
+ background-color: var( --ck-sample-color-blue );
+}
+
+.collaboration-demo__topbar .btn:focus,
+.collaboration-demo__topbar .btn:hover {
+ border-color: var( --ck-sample-color-blue );
+}
+
+.collaboration-demo__share {
+ display: flex;
+ align-items: center;
+ padding: 1.25rem .75rem
+}
+
+.collaboration-demo__share-description p {
+ margin: 0;
+ font-weight: bold;
+ font-size: 0.9em;
+}
+
+.collaboration-demo__share input {
+ height: auto;
+ font-size: 0.9em;
+ min-width: 220px;
+ margin: 0 10px;
+ border-radius: 4px;
+ border: 1px solid var(--ck-color-toolbar-border)
+}
+
+.collaboration-demo__share button,
+.collaboration-demo__share input {
+ height: 40px;
+ padding: 5px 10px;
+}
+
+.collaboration-demo__share button {
+ position: relative;
+}
+
+.collaboration-demo__share button:focus {
+ outline: none;
+}
+
+.collaboration-demo__share button[data-tooltip]::before,
+.collaboration-demo__share button[data-tooltip]::after {
+ position: absolute;
+ visibility: hidden;
+ opacity: 0;
+ pointer-events: none;
+ transition: all .15s cubic-bezier(.5,1,.25,1);
+ z-index: 1;
+}
+
+.collaboration-demo__share button[data-tooltip]::before {
+ content: attr(data-tooltip);
+ padding: 5px 15px;
+ border-radius: 3px;
+ background: #111;
+ color: #fff;
+ text-align: center;
+ font-size: 11px;
+ top: 100%;
+ left: 50%;
+ margin-top: 5px;
+ transform: translateX(-50%);
+}
+
+.collaboration-demo__share button[data-tooltip]::after {
+ content: '';
+ border: 5px solid transparent;
+ width: 0;
+ font-size: 0;
+ line-height: 0;
+ top: 100%;
+ left: 50%;
+ transform: translateX(-50%);
+ border-bottom: 5px solid #111;
+ border-top: none;
+}
+
+.collaboration-demo__share button[data-tooltip]:hover:before,
+.collaboration-demo__share button[data-tooltip]:hover:after {
+ visibility: visible;
+ opacity: 1;
+}
+
+.collaboration-demo--ready {
+ overflow: visible;
+ height: auto;
+}
+
+.collaboration-demo--ready .presence,
+.collaboration-demo--ready .collaboration-demo__row {
+ opacity: 1;
+}
+
+/* --------- PAGINATION FEATURE ------------------------------------------------------------------------------------ */
+
+/* Pagination view line must be stacked at least at the same level as the editor,
+ otherwise it will be hidden underneath. */
+.ck.ck-pagination-view-line {
+ z-index: var(--ck-sample-editor-z-index);
+}
+
+/* --------- SAMPLE GENERIC STYLES (not related to CKEditor) ------------------------------------------------------- */
+body, html {
+ padding: 0;
+ margin: 0;
+
+ font-family: sans-serif, Arial, Verdana, "Trebuchet MS", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+ font-size: 16px;
+ line-height: 1.5;
+}
+
+body {
+ height: 100%;
+ color: #2D3A4A;
+}
+
+body * {
+ box-sizing: border-box;
+}
+
+a {
+ color: #38A5EE;
+}
+
+header .centered {
+ display: flex;
+ flex-flow: row nowrap;
+ justify-content: space-between;
+ align-items: center;
+ min-height: 8em;
+}
+
+header h1 a {
+ font-size: 20px;
+ display: flex;
+ align-items: center;
+ color: #2D3A4A;
+ text-decoration: none;
+}
+
+header h1 img {
+ display: block;
+ height: 64px;
+}
+
+header nav ul {
+ margin: 0;
+ padding: 0;
+ list-style-type: none;
+}
+
+header nav ul li {
+ display: inline-block;
+}
+
+header nav ul li + li {
+ margin-left: 1em;
+}
+
+header nav ul li a {
+ font-weight: bold;
+ text-decoration: none;
+ color: #2D3A4A;
+}
+
+header nav ul li a:hover {
+ text-decoration: underline;
+}
+
+main .message {
+ padding: 0 0 var(--ck-sample-base-spacing);
+ background: var(--ck-sample-color-green);
+ color: var(--ck-sample-color-white);
+}
+
+main .message::after {
+ content: "";
+ z-index: -1;
+ display: block;
+ height: 10em;
+ width: 100%;
+ background: var(--ck-sample-color-green);
+ position: absolute;
+ left: 0;
+}
+
+main .message h2 {
+ position: relative;
+ padding-top: 1em;
+ font-size: 2em;
+}
+
+.centered {
+ /* Hide overlapping comments. */
+ overflow: hidden;
+ max-width: var(--ck-sample-container-width);
+ margin: 0 auto;
+ padding: 0 var(--ck-sample-base-spacing);
+}
+
+.row {
+ display: flex;
+ position: relative;
+}
+
+.btn {
+ cursor: pointer;
+ padding: 8px 16px;
+ font-size: 1rem;
+ user-select: none;
+ border-radius: 4px;
+ transition: color .2s ease-in-out,background-color .2s ease-in-out,border-color .2s ease-in-out,opacity .2s ease-in-out;
+ background-color: var(--ck-sample-color-button-blue);
+ border-color: var(--ck-sample-color-button-blue);
+ color: var(--ck-sample-color-white);
+ display: inline-block;
+}
+
+.btn--tiny {
+ padding: 6px 12px;
+ font-size: .8rem;
+}
+
+footer {
+ margin: calc(2*var(--ck-sample-base-spacing)) var(--ck-sample-base-spacing);
+ font-size: .8em;
+ text-align: center;
+ color: rgba(0,0,0,.4);
+}
+
+/* --------- RWD --------------------------------------------------------------------------------------------------- */
+@media screen and ( max-width: 800px ) {
+ :root {
+ --ck-sample-base-spacing: 1em;
+ }
+
+ header h1 {
+ width: 100%;
+ }
+
+ header h1 img {
+ height: 40px;
+ }
+
+ header nav ul {
+ text-align: right;
+ }
+
+ main .message h2 {
+ font-size: 1.5em;
+ }
+}
diff --git a/lib/ckeditor5/src/ckeditor.js b/lib/ckeditor5/src/ckeditor.js
new file mode 100644
index 0000000..8180b81
--- /dev/null
+++ b/lib/ckeditor5/src/ckeditor.js
@@ -0,0 +1,79 @@
+/**
+ * @license Copyright (c) 2014-2021, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor.js';
+import Alignment from '@ckeditor/ckeditor5-alignment/src/alignment.js';
+import AutoImage from '@ckeditor/ckeditor5-image/src/autoimage.js';
+import Autolink from '@ckeditor/ckeditor5-link/src/autolink.js';
+import Autosave from '@ckeditor/ckeditor5-autosave/src/autosave.js';
+import BlockQuote from '@ckeditor/ckeditor5-block-quote/src/blockquote.js';
+import Bold from '@ckeditor/ckeditor5-basic-styles/src/bold.js';
+import Essentials from '@ckeditor/ckeditor5-essentials/src/essentials.js';
+import FontColor from '@ckeditor/ckeditor5-font/src/fontcolor.js';
+import FontFamily from '@ckeditor/ckeditor5-font/src/fontfamily.js';
+import FontSize from '@ckeditor/ckeditor5-font/src/fontsize.js';
+import Heading from '@ckeditor/ckeditor5-heading/src/heading.js';
+import Highlight from '@ckeditor/ckeditor5-highlight/src/highlight.js';
+import HorizontalLine from '@ckeditor/ckeditor5-horizontal-line/src/horizontalline.js';
+import HtmlEmbed from '@ckeditor/ckeditor5-html-embed/src/htmlembed.js';
+import Image from '@ckeditor/ckeditor5-image/src/image.js';
+import ImageCaption from '@ckeditor/ckeditor5-image/src/imagecaption.js';
+import ImageInsert from '@ckeditor/ckeditor5-image/src/imageinsert.js';
+import ImageStyle from '@ckeditor/ckeditor5-image/src/imagestyle.js';
+import ImageToolbar from '@ckeditor/ckeditor5-image/src/imagetoolbar.js';
+import ImageUpload from '@ckeditor/ckeditor5-image/src/imageupload.js';
+import Italic from '@ckeditor/ckeditor5-basic-styles/src/italic.js';
+import Link from '@ckeditor/ckeditor5-link/src/link.js';
+import LinkImage from '@ckeditor/ckeditor5-link/src/linkimage.js';
+import List from '@ckeditor/ckeditor5-list/src/list.js';
+import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph.js';
+import PasteFromOffice from '@ckeditor/ckeditor5-paste-from-office/src/pastefromoffice';
+import SimpleUploadAdapter from '@ckeditor/ckeditor5-upload/src/adapters/simpleuploadadapter.js';
+import Table from '@ckeditor/ckeditor5-table/src/table.js';
+import TableProperties from '@ckeditor/ckeditor5-table/src/tableproperties';
+import TableToolbar from '@ckeditor/ckeditor5-table/src/tabletoolbar.js';
+import TextPartLanguage from '@ckeditor/ckeditor5-language/src/textpartlanguage.js';
+import TodoList from '@ckeditor/ckeditor5-list/src/todolist';
+import Underline from '@ckeditor/ckeditor5-basic-styles/src/underline.js';
+
+class Editor extends ClassicEditor {}
+
+// Plugins to include in the build.
+Editor.builtinPlugins = [
+ Alignment,
+ AutoImage,
+ Autolink,
+ Autosave,
+ BlockQuote,
+ Bold,
+ Essentials,
+ FontColor,
+ FontFamily,
+ FontSize,
+ Heading,
+ Highlight,
+ HorizontalLine,
+ HtmlEmbed,
+ Image,
+ ImageCaption,
+ ImageInsert,
+ ImageStyle,
+ ImageToolbar,
+ ImageUpload,
+ Italic,
+ Link,
+ LinkImage,
+ List,
+ Paragraph,
+ PasteFromOffice,
+ SimpleUploadAdapter,
+ Table,
+ TableProperties,
+ TableToolbar,
+ TextPartLanguage,
+ TodoList,
+ Underline
+];
+
+export default Editor;
diff --git a/lib/ckeditor5/webpack.config.js b/lib/ckeditor5/webpack.config.js
new file mode 100644
index 0000000..4c7efd3
--- /dev/null
+++ b/lib/ckeditor5/webpack.config.js
@@ -0,0 +1,96 @@
+/**
+ * @license Copyright (c) 2014-2021, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+'use strict';
+
+/* eslint-env node */
+
+const path = require( 'path' );
+const webpack = require( 'webpack' );
+const { bundler, styles } = require( '@ckeditor/ckeditor5-dev-utils' );
+const CKEditorWebpackPlugin = require( '@ckeditor/ckeditor5-dev-webpack-plugin' );
+const TerserWebpackPlugin = require( 'terser-webpack-plugin' );
+
+module.exports = {
+ devtool: 'source-map',
+ performance: { hints: false },
+
+ entry: path.resolve( __dirname, 'src', 'ckeditor.js' ),
+
+ output: {
+ // The name under which the editor will be exported.
+ library: 'ClassicEditor',
+
+ path: path.resolve( __dirname, 'build' ),
+ filename: 'ckeditor.js',
+ libraryTarget: 'umd',
+ libraryExport: 'default'
+ },
+
+ optimization: {
+ minimizer: [
+ new TerserWebpackPlugin( {
+ sourceMap: true,
+ terserOptions: {
+ output: {
+ // Preserve CKEditor 5 license comments.
+ comments: /^!/
+ }
+ },
+ extractComments: false
+ } )
+ ]
+ },
+
+ plugins: [
+ new CKEditorWebpackPlugin( {
+ // UI language. Language codes follow the https://en.wikipedia.org/wiki/ISO_639-1 format.
+ // When changing the built-in language, remember to also change it in the editor's configuration (src/ckeditor.js).
+ language: 'fr',
+ additionalLanguages: 'all'
+ } ),
+ new webpack.BannerPlugin( {
+ banner: bundler.getLicenseBanner(),
+ raw: true
+ } )
+ ],
+
+ module: {
+ rules: [
+ {
+ test: /\.svg$/,
+ use: [ 'raw-loader' ]
+ },
+ {
+ test: /\.css$/,
+ use: [
+ {
+ loader: 'style-loader',
+ options: {
+ injectType: 'singletonStyleTag',
+ attributes: {
+ 'data-cke': true
+ }
+ }
+ },
+ {
+ loader: 'css-loader'
+ },
+ {
+ loader: 'postcss-loader',
+ options: {
+ postcssOptions: styles.getPostCssConfig( {
+ themeImporter: {
+ themePath: require.resolve( '@ckeditor/ckeditor5-theme-lark' )
+ },
+ minify: true
+ } )
+ }
+ },
+ ]
+ }
+ ]
+ }
+};
diff --git a/lib/htmlawed/htmLawed.php b/lib/htmlawed/htmLawed.php
new file mode 100755
index 0000000..b384d98
--- /dev/null
+++ b/lib/htmlawed/htmLawed.php
@@ -0,0 +1,729 @@
+1, 'abbr'=>1, 'acronym'=>1, 'address'=>1, 'applet'=>1, 'area'=>1, 'article'=>1, 'aside'=>1, 'audio'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'blockquote'=>1, 'br'=>1, 'button'=>1, 'canvas'=>1, 'caption'=>1, 'center'=>1, 'cite'=>1, 'code'=>1, 'col'=>1, 'colgroup'=>1, 'command'=>1, 'data'=>1, 'datalist'=>1, 'dd'=>1, 'del'=>1, 'details'=>1, 'dfn'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'dt'=>1, 'em'=>1, 'embed'=>1, 'fieldset'=>1, 'figcaption'=>1, 'figure'=>1, 'font'=>1, 'footer'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'header'=>1, 'hgroup'=>1, 'hr'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'isindex'=>1, 'kbd'=>1, 'keygen'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'link'=>1, 'main'=>1, 'map'=>1, 'mark'=>1, 'menu'=>1, 'meta'=>1, 'meter'=>1, 'nav'=>1, 'noscript'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'output'=>1, 'p'=>1, 'param'=>1, 'pre'=>1, 'progress'=>1, 'q'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'script'=>1, 'section'=>1, 'select'=>1, 'small'=>1, 'source'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'style'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'time'=>1, 'tr'=>1, 'track'=>1, 'tt'=>1, 'u'=>1, 'ul'=>1, 'var'=>1, 'video'=>1, 'wbr'=>1); // 118 incl. deprecated & some Ruby
+
+if(!empty($C['safe'])){
+ unset($e['applet'], $e['audio'], $e['canvas'], $e['embed'], $e['iframe'], $e['object'], $e['script'], $e['video']);
+}
+$x = !empty($C['elements']) ? str_replace(array("\n", "\r", "\t", ' '), '', $C['elements']) : '*';
+if($x == '-*'){$e = array();}
+elseif(strpos($x, '*') === false){$e = array_flip(explode(',', $x));}
+else{
+ if(isset($x[1])){
+ preg_match_all('`(?:^|-|\+)[^\-+]+?(?=-|\+|$)`', $x, $m, PREG_SET_ORDER);
+ for($i=count($m); --$i>=0;){$m[$i] = $m[$i][0];}
+ foreach($m as $v){
+ if($v[0] == '+'){$e[substr($v, 1)] = 1;}
+ if($v[0] == '-' && isset($e[($v = substr($v, 1))]) && !in_array('+'. $v, $m)){unset($e[$v]);}
+ }
+ }
+}
+$C['elements'] =& $e;
+// config attrs
+$x = !empty($C['deny_attribute']) ? strtolower(str_replace(array("\n", "\r", "\t", ' '), '', $C['deny_attribute'])) : '';
+$x = array_flip((isset($x[0]) && $x[0] == '*') ? str_replace('/', 'data-', explode('-', str_replace('data-', '/', $x))) : explode(',', $x. (!empty($C['safe']) ? ',on*' : '')));
+$C['deny_attribute'] = $x;
+// config URLs
+$x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet'. (empty($C['safe']) ? ', app, javascript; *: data, javascript, ' : '; *:'). 'file, http, https';
+$C['schemes'] = array();
+foreach(explode(';', trim(str_replace(array(' ', "\t", "\r", "\n"), '', $x), ';')) as $v){
+ $x = $x2 = null; list($x, $x2) = explode(':', $v, 2);
+ if($x2){$C['schemes'][$x] = array_flip(explode(',', $x2));}
+}
+if(!isset($C['schemes']['*'])){
+ $C['schemes']['*'] = array('file'=>1, 'http'=>1, 'https'=>1);
+ if(empty($C['safe'])){$C['schemes']['*'] += array('data'=>1, 'javascript'=>1);}
+}
+if(!empty($C['safe']) && empty($C['schemes']['style'])){$C['schemes']['style'] = array('!'=>1);}
+$C['abs_url'] = isset($C['abs_url']) ? $C['abs_url'] : 0;
+if(!isset($C['base_url']) or !preg_match('`^[a-zA-Z\d.+\-]+://[^/]+/(.+?/)?$`', $C['base_url'])){
+ $C['base_url'] = $C['abs_url'] = 0;
+}
+// config rest
+$C['and_mark'] = empty($C['and_mark']) ? 0 : 1;
+$C['anti_link_spam'] = (isset($C['anti_link_spam']) && is_array($C['anti_link_spam']) && count($C['anti_link_spam']) == 2 && (empty($C['anti_link_spam'][0]) or hl_regex($C['anti_link_spam'][0])) && (empty($C['anti_link_spam'][1]) or hl_regex($C['anti_link_spam'][1]))) ? $C['anti_link_spam'] : 0;
+$C['anti_mail_spam'] = isset($C['anti_mail_spam']) ? $C['anti_mail_spam'] : 0;
+$C['balance'] = isset($C['balance']) ? (bool)$C['balance'] : 1;
+$C['cdata'] = isset($C['cdata']) ? $C['cdata'] : (empty($C['safe']) ? 3 : 0);
+$C['clean_ms_char'] = empty($C['clean_ms_char']) ? 0 : $C['clean_ms_char'];
+$C['comment'] = isset($C['comment']) ? $C['comment'] : (empty($C['safe']) ? 3 : 0);
+$C['css_expression'] = empty($C['css_expression']) ? 0 : 1;
+$C['direct_list_nest'] = empty($C['direct_list_nest']) ? 0 : 1;
+$C['hexdec_entity'] = isset($C['hexdec_entity']) ? $C['hexdec_entity'] : 1;
+$C['hook'] = (!empty($C['hook']) && function_exists($C['hook'])) ? $C['hook'] : 0;
+$C['hook_tag'] = (!empty($C['hook_tag']) && function_exists($C['hook_tag'])) ? $C['hook_tag'] : 0;
+$C['keep_bad'] = isset($C['keep_bad']) ? $C['keep_bad'] : 6;
+$C['lc_std_val'] = isset($C['lc_std_val']) ? (bool)$C['lc_std_val'] : 1;
+$C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 1;
+$C['named_entity'] = isset($C['named_entity']) ? (bool)$C['named_entity'] : 1;
+$C['no_deprecated_attr'] = isset($C['no_deprecated_attr']) ? $C['no_deprecated_attr'] : 1;
+$C['parent'] = isset($C['parent'][0]) ? strtolower($C['parent']) : 'body';
+$C['show_setting'] = !empty($C['show_setting']) ? $C['show_setting'] : 0;
+$C['style_pass'] = empty($C['style_pass']) ? 0 : 1;
+$C['tidy'] = empty($C['tidy']) ? 0 : $C['tidy'];
+$C['unique_ids'] = isset($C['unique_ids']) && (!preg_match('`\W`', $C['unique_ids'])) ? $C['unique_ids'] : 1;
+$C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 0;
+
+if(isset($GLOBALS['C'])){$reC = $GLOBALS['C'];}
+$GLOBALS['C'] = $C;
+$S = is_array($S) ? $S : hl_spec($S);
+if(isset($GLOBALS['S'])){$reS = $GLOBALS['S'];}
+$GLOBALS['S'] = $S;
+
+$t = preg_replace('`[\x00-\x08\x0b-\x0c\x0e-\x1f]`', '', $t);
+if($C['clean_ms_char']){
+ $x = array("\x7f"=>'', "\x80"=>'€', "\x81"=>'', "\x83"=>'ƒ', "\x85"=>'…', "\x86"=>'†', "\x87"=>'‡', "\x88"=>'ˆ', "\x89"=>'‰', "\x8a"=>'Š', "\x8b"=>'‹', "\x8c"=>'Œ', "\x8d"=>'', "\x8e"=>'Ž', "\x8f"=>'', "\x90"=>'', "\x95"=>'•', "\x96"=>'–', "\x97"=>'—', "\x98"=>'˜', "\x99"=>'™', "\x9a"=>'š', "\x9b"=>'›', "\x9c"=>'œ', "\x9d"=>'', "\x9e"=>'ž', "\x9f"=>'Ÿ');
+ $x = $x + ($C['clean_ms_char'] == 1 ? array("\x82"=>'‚', "\x84"=>'„', "\x91"=>'‘', "\x92"=>'’', "\x93"=>'“', "\x94"=>'”') : array("\x82"=>'\'', "\x84"=>'"', "\x91"=>'\'', "\x92"=>'\'', "\x93"=>'"', "\x94"=>'"'));
+ $t = strtr($t, $x);
+}
+if($C['cdata'] or $C['comment']){$t = preg_replace_callback('``sm', 'hl_cmtcd', $t);}
+$t = preg_replace_callback('`&([a-zA-Z][a-zA-Z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));`', 'hl_ent', str_replace('&', '&', $t));
+if($C['unique_ids'] && !isset($GLOBALS['hl_Ids'])){$GLOBALS['hl_Ids'] = array();}
+if($C['hook']){$t = $C['hook']($t, $C, $S);}
+if($C['show_setting'] && preg_match('`^[a-z][a-z0-9_]*$`i', $C['show_setting'])){
+ $GLOBALS[$C['show_setting']] = array('config'=>$C, 'spec'=>$S, 'time'=>microtime());
+}
+// main
+$t = preg_replace_callback('`<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>`m', 'hl_tag', $t);
+$t = $C['balance'] ? hl_bal($t, $C['keep_bad'], $C['parent']) : $t;
+$t = (($C['cdata'] or $C['comment']) && strpos($t, "\x01") !== false) ? str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05"), array('', '', '&', '<', '>'), $t) : $t;
+$t = $C['tidy'] ? hl_tidy($t, $C['tidy'], $C['parent']) : $t;
+unset($C, $e);
+if(isset($reC)){$GLOBALS['C'] = $reC;}
+if(isset($reS)){$GLOBALS['S'] = $reS;}
+return $t;
+}
+
+function hl_attrval($a, $t, $p){
+// check attr val against $S
+static $ma = array('accesskey', 'class', 'itemtype', 'rel');
+$s = in_array($a, $ma) ? ' ' : ($a == 'srcset' ? ',': '');
+$r = array();
+$t = !empty($s) ? explode($s, $t) : array($t);
+foreach($t as $tk=>$tv){
+ $o = 1; $tv = trim($tv); $l = strlen($tv);
+ foreach($p as $k=>$v){
+ if(!$l){continue;}
+ switch($k){
+ case 'maxlen': if($l > $v){$o = 0;}
+ break; case 'minlen': if($l < $v){$o = 0;}
+ break; case 'maxval': if((float)($tv) > $v){$o = 0;}
+ break; case 'minval': if((float)($tv) < $v){$o = 0;}
+ break; case 'match': if(!preg_match($v, $tv)){$o = 0;}
+ break; case 'nomatch': if(preg_match($v, $tv)){$o = 0;}
+ break; case 'oneof':
+ $m = 0;
+ foreach(explode('|', $v) as $n){if($tv == $n){$m = 1; break;}}
+ $o = $m;
+ break; case 'noneof':
+ $m = 1;
+ foreach(explode('|', $v) as $n){if($tv == $n){$m = 0; break;}}
+ $o = $m;
+ break; default:
+ break;
+ }
+ if(!$o){break;}
+ }
+ if($o){$r[] = $tv;}
+}
+if($s == ','){$s = ', ';}
+$r = implode($s, $r);
+return (isset($r[0]) ? $r : (isset($p['default']) ? $p['default'] : 0));
+}
+
+function hl_bal($t, $do=1, $in='div'){
+// balance tags
+// by content
+$cB = array('blockquote'=>1, 'form'=>1, 'map'=>1, 'noscript'=>1); // Block
+$cE = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1); // Empty
+$cF = array('a'=>1, 'article'=>1, 'aside'=>1, 'audio'=>1, 'button'=>1, 'canvas'=>1, 'del'=>1, 'details'=>1, 'div'=>1, 'dd'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'header'=>1, 'iframe'=>1, 'ins'=>1, 'li'=>1, 'main'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'object'=>1, 'section'=>1, 'style'=>1, 'td'=>1, 'th'=>1, 'video'=>1); // Flow; later context-wise dynamic move of ins & del to $cI
+$cI = array('abbr'=>1, 'acronym'=>1, 'address'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'caption'=>1, 'cite'=>1, 'code'=>1, 'data'=>1, 'datalist'=>1, 'dfn'=>1, 'dt'=>1, 'em'=>1, 'figcaption'=>1, 'font'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hgroup'=>1, 'i'=>1, 'kbd'=>1, 'label'=>1, 'legend'=>1, 'mark'=>1, 'meter'=>1, 'output'=>1, 'p'=>1, 'pre'=>1, 'progress'=>1, 'q'=>1, 'rb'=>1, 'rt'=>1, 's'=>1, 'samp'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'time'=>1, 'tt'=>1, 'u'=>1, 'var'=>1); // Inline
+$cN = array('a'=>array('a'=>1, 'address'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'keygen'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'address'=>array('address'=>1, 'article'=>1, 'aside'=>1, 'header'=>1, 'keygen'=>1, 'footer'=>1, 'nav'=>1, 'section'=>1), 'button'=>array('a'=>1, 'address'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'fieldset'=>array('fieldset'=>1), 'footer'=>array('header'=>1, 'footer'=>1), 'form'=>array('form'=>1), 'header'=>array('header'=>1, 'footer'=>1), 'label'=>array('label'=>1), 'main'=>array('main'=>1), 'meter'=>array('meter'=>1), 'noscript'=>array('script'=>1), 'pre'=>array('big'=>1, 'font'=>1, 'img'=>1, 'object'=>1, 'script'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1), 'progress'=>array('progress'=>1), 'rb'=>array('ruby'=>1), 'rt'=>array('ruby'=>1), 'time'=>array('time'=>1), ); // Illegal
+$cN2 = array_keys($cN);
+$cS = array('colgroup'=>array('col'=>1), 'datalist'=>array('option'=>1), 'dir'=>array('li'=>1), 'dl'=>array('dd'=>1, 'dt'=>1), 'hgroup'=>array('h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1), 'menu'=>array('li'=>1), 'ol'=>array('li'=>1), 'optgroup'=>array('option'=>1), 'option'=>array('#pcdata'=>1), 'rbc'=>array('rb'=>1), 'rp'=>array('#pcdata'=>1), 'rtc'=>array('rt'=>1), 'ruby'=>array('rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1), 'select'=>array('optgroup'=>1, 'option'=>1), 'script'=>array('#pcdata'=>1), 'table'=>array('caption'=>1, 'col'=>1, 'colgroup'=>1, 'tfoot'=>1, 'tbody'=>1, 'tr'=>1, 'thead'=>1), 'tbody'=>array('tr'=>1), 'tfoot'=>array('tr'=>1), 'textarea'=>array('#pcdata'=>1), 'thead'=>array('tr'=>1), 'tr'=>array('td'=>1, 'th'=>1), 'ul'=>array('li'=>1)); // Specific - immediate parent-child
+if($GLOBALS['C']['direct_list_nest']){$cS['ol'] = $cS['ul'] = $cS['menu'] += array('menu'=>1, 'ol'=>1, 'ul'=>1);}
+$cO = array('address'=>array('p'=>1), 'applet'=>array('param'=>1), 'audio'=>array('source'=>1, 'track'=>1), 'blockquote'=>array('script'=>1), 'details'=>array('summary'=>1), 'fieldset'=>array('legend'=>1, '#pcdata'=>1), 'figure'=>array('figcaption'=>1),'form'=>array('script'=>1), 'map'=>array('area'=>1), 'object'=>array('param'=>1, 'embed'=>1), 'video'=>array('source'=>1, 'track'=>1)); // Other
+$cT = array('colgroup'=>1, 'dd'=>1, 'dt'=>1, 'li'=>1, 'option'=>1, 'p'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1); // Omitable closing
+// block/inline type; a/ins/del both type; #pcdata: text
+$eB = array('a'=>1, 'address'=>1, 'article'=>1, 'aside'=>1, 'blockquote'=>1, 'center'=>1, 'del'=>1, 'details'=>1, 'dir'=>1, 'dl'=>1, 'div'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'form'=>1, 'ins'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'header'=>1, 'hr'=>1, 'isindex'=>1, 'main'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'section'=>1, 'style'=>1, 'table'=>1, 'ul'=>1);
+$eI = array('#pcdata'=>1, 'a'=>1, 'abbr'=>1, 'acronym'=>1, 'applet'=>1, 'audio'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'br'=>1, 'button'=>1, 'canvas'=>1, 'cite'=>1, 'code'=>1, 'command'=>1, 'data'=>1, 'datalist'=>1, 'del'=>1, 'dfn'=>1, 'em'=>1, 'embed'=>1, 'figcaption'=>1, 'font'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'kbd'=>1, 'label'=>1, 'link'=>1, 'map'=>1, 'mark'=>1, 'meta'=>1, 'meter'=>1, 'object'=>1, 'output'=>1, 'progress'=>1, 'q'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'select'=>1, 'script'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'textarea'=>1, 'time'=>1, 'tt'=>1, 'u'=>1, 'var'=>1, 'video'=>1, 'wbr'=>1);
+$eN = array('a'=>1, 'address'=>1, 'article'=>1, 'aside'=>1, 'big'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'fieldset'=>1, 'font'=>1, 'footer'=>1, 'form'=>1, 'header'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'meter'=>1, 'nav'=>1, 'object'=>1, 'progress'=>1, 'ruby'=>1, 'script'=>1, 'select'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1, 'textarea'=>1, 'time'=>1); // Exclude from specific ele; $cN values
+$eO = array('area'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'command'=>1, 'dd'=>1, 'dt'=>1, 'hgroup'=>1, 'keygen'=>1, 'legend'=>1, 'li'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'script'=>1, 'source'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'thead'=>1, 'th'=>1, 'tr'=>1, 'track'=>1); // Missing in $eB & $eI
+$eF = $eB + $eI;
+
+// $in sets allowed child
+$in = ((isset($eF[$in]) && $in != '#pcdata') or isset($eO[$in])) ? $in : 'div';
+if(isset($cE[$in])){
+ return (!$do ? '' : str_replace(array('<', '>'), array('<', '>'), $t));
+}
+if(isset($cS[$in])){$inOk = $cS[$in];}
+elseif(isset($cI[$in])){$inOk = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
+elseif(isset($cF[$in])){$inOk = $eF; unset($cI['del'], $cI['ins']);}
+elseif(isset($cB[$in])){$inOk = $eB; unset($cI['del'], $cI['ins']);}
+if(isset($cO[$in])){$inOk = $inOk + $cO[$in];}
+if(isset($cN[$in])){$inOk = array_diff_assoc($inOk, $cN[$in]);}
+
+$t = explode('<', $t);
+$ok = $q = array(); // $q seq list of open non-empty ele
+ob_start();
+
+for($i=-1, $ci=count($t); ++$i<$ci;){
+ // allowed $ok in parent $p
+ if($ql = count($q)){
+ $p = array_pop($q);
+ $q[] = $p;
+ if(isset($cS[$p])){$ok = $cS[$p];}
+ elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
+ elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
+ elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
+ if(isset($cO[$p])){$ok = $ok + $cO[$p];}
+ if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
+ }else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
+ // bad tags, & ele content
+ if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
+ echo '<', $s, $e, $a, '>';
+ }
+ if(isset($x[0])){
+ if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
+ echo '', $x, '
';
+ }
+ elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
+ elseif(strpos($x, "\x02\x04")){
+ foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
+ echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
+ }
+ }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
+ }
+ // get markup
+ if(!preg_match('`^(/?)([a-z1-6]+)([^>]*)>(.*)`sm', $t[$i], $r)){$x = $t[$i]; continue;}
+ $s = null; $e = null; $a = null; $x = null; list($all, $s, $e, $a, $x) = $r;
+ // close tag
+ if($s){
+ if(isset($cE[$e]) or !in_array($e, $q)){continue;} // Empty/unopen
+ if($p == $e){array_pop($q); echo '', $e, '>'; unset($e); continue;} // Last open
+ $add = ''; // Nesting - close open tags that need to be
+ for($j=-1, $cj=count($q); ++$j<$cj;){
+ if(($d = array_pop($q)) == $e){break;}
+ else{$add .= "{$d}>";}
+ }
+ echo $add, '', $e, '>'; unset($e); continue;
+ }
+ // open tag
+ // $cB ele needs $eB ele as child
+ if(isset($cB[$e]) && strlen(trim($x))){
+ $t[$i] = "{$e}{$a}>";
+ array_splice($t, $i+1, 0, 'div>'. $x); unset($e, $x); ++$ci; --$i; continue;
+ }
+ if((($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql)) && !isset($eB[$e]) && !isset($ok[$e])){
+ array_splice($t, $i, 0, 'div>'); unset($e, $x); ++$ci; --$i; continue;
+ }
+ // if no open ele, $in = parent; mostly immediate parent-child relation should hold
+ if(!$ql or !isset($eN[$e]) or !array_intersect($q, $cN2)){
+ if(!isset($ok[$e])){
+ if($ql && isset($cT[$p])){echo '', array_pop($q), '>'; unset($e, $x); --$i;}
+ continue;
+ }
+ if(!isset($cE[$e])){$q[] = $e;}
+ echo '<', $e, $a, '>'; unset($e); continue;
+ }
+ // specific parent-child
+ if(isset($cS[$p][$e])){
+ if(!isset($cE[$e])){$q[] = $e;}
+ echo '<', $e, $a, '>'; unset($e); continue;
+ }
+ // nesting
+ $add = '';
+ $q2 = array();
+ for($k=-1, $kc=count($q); ++$k<$kc;){
+ $d = $q[$k];
+ $ok2 = array();
+ if(isset($cS[$d])){$q2[] = $d; continue;}
+ $ok2 = isset($cI[$d]) ? $eI : $eF;
+ if(isset($cO[$d])){$ok2 = $ok2 + $cO[$d];}
+ if(isset($cN[$d])){$ok2 = array_diff_assoc($ok2, $cN[$d]);}
+ if(!isset($ok2[$e])){
+ if(!$k && !isset($inOk[$e])){continue 2;}
+ $add = "{$d}>";
+ for(;++$k<$kc;){$add = "{$q[$k]}>{$add}";}
+ break;
+ }
+ else{$q2[] = $d;}
+ }
+ $q = $q2;
+ if(!isset($cE[$e])){$q[] = $e;}
+ echo $add, '<', $e, $a, '>'; unset($e); continue;
+}
+
+// end
+if($ql = count($q)){
+ $p = array_pop($q);
+ $q[] = $p;
+ if(isset($cS[$p])){$ok = $cS[$p];}
+ elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
+ elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
+ elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
+ if(isset($cO[$p])){$ok = $ok + $cO[$p];}
+ if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
+}else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
+if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
+ echo '<', $s, $e, $a, '>';
+}
+if(isset($x[0])){
+ if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
+ echo '', $x, '
';
+ }
+ elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
+ elseif(strpos($x, "\x02\x04")){
+ foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
+ echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
+ }
+ }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
+}
+while(!empty($q) && ($e = array_pop($q))){echo '', $e, '>';}
+$o = ob_get_contents();
+ob_end_clean();
+return $o;
+}
+
+function hl_cmtcd($t){
+// comment/CDATA sec handler
+$t = $t[0];
+global $C;
+if(!($v = $C[$n = $t[3] == '-' ? 'comment' : 'cdata'])){return $t;}
+if($v == 1){return '';}
+if($n == 'comment' && $v < 4){
+ if(substr(($t = preg_replace('`--+`', '-', substr($t, 4, -3))), -1) != ' '){$t .= ' ';}
+}
+else{$t = substr($t, 1, -1);}
+$t = $v == 2 ? str_replace(array('&', '<', '>'), array('&', '<', '>'), $t) : $t;
+return str_replace(array('&', '<', '>'), array("\x03", "\x04", "\x05"), ($n == 'comment' ? "\x01\x02\x04!--$t--\x05\x02\x01" : "\x01\x01\x04$t\x05\x01\x01"));
+}
+
+function hl_ent($t){
+// entitity handler
+global $C;
+$t = $t[1];
+static $U = array('quot'=>1,'amp'=>1,'lt'=>1,'gt'=>1);
+static $N = array('fnof'=>'402', 'Alpha'=>'913', 'Beta'=>'914', 'Gamma'=>'915', 'Delta'=>'916', 'Epsilon'=>'917', 'Zeta'=>'918', 'Eta'=>'919', 'Theta'=>'920', 'Iota'=>'921', 'Kappa'=>'922', 'Lambda'=>'923', 'Mu'=>'924', 'Nu'=>'925', 'Xi'=>'926', 'Omicron'=>'927', 'Pi'=>'928', 'Rho'=>'929', 'Sigma'=>'931', 'Tau'=>'932', 'Upsilon'=>'933', 'Phi'=>'934', 'Chi'=>'935', 'Psi'=>'936', 'Omega'=>'937', 'alpha'=>'945', 'beta'=>'946', 'gamma'=>'947', 'delta'=>'948', 'epsilon'=>'949', 'zeta'=>'950', 'eta'=>'951', 'theta'=>'952', 'iota'=>'953', 'kappa'=>'954', 'lambda'=>'955', 'mu'=>'956', 'nu'=>'957', 'xi'=>'958', 'omicron'=>'959', 'pi'=>'960', 'rho'=>'961', 'sigmaf'=>'962', 'sigma'=>'963', 'tau'=>'964', 'upsilon'=>'965', 'phi'=>'966', 'chi'=>'967', 'psi'=>'968', 'omega'=>'969', 'thetasym'=>'977', 'upsih'=>'978', 'piv'=>'982', 'bull'=>'8226', 'hellip'=>'8230', 'prime'=>'8242', 'Prime'=>'8243', 'oline'=>'8254', 'frasl'=>'8260', 'weierp'=>'8472', 'image'=>'8465', 'real'=>'8476', 'trade'=>'8482', 'alefsym'=>'8501', 'larr'=>'8592', 'uarr'=>'8593', 'rarr'=>'8594', 'darr'=>'8595', 'harr'=>'8596', 'crarr'=>'8629', 'lArr'=>'8656', 'uArr'=>'8657', 'rArr'=>'8658', 'dArr'=>'8659', 'hArr'=>'8660', 'forall'=>'8704', 'part'=>'8706', 'exist'=>'8707', 'empty'=>'8709', 'nabla'=>'8711', 'isin'=>'8712', 'notin'=>'8713', 'ni'=>'8715', 'prod'=>'8719', 'sum'=>'8721', 'minus'=>'8722', 'lowast'=>'8727', 'radic'=>'8730', 'prop'=>'8733', 'infin'=>'8734', 'ang'=>'8736', 'and'=>'8743', 'or'=>'8744', 'cap'=>'8745', 'cup'=>'8746', 'int'=>'8747', 'there4'=>'8756', 'sim'=>'8764', 'cong'=>'8773', 'asymp'=>'8776', 'ne'=>'8800', 'equiv'=>'8801', 'le'=>'8804', 'ge'=>'8805', 'sub'=>'8834', 'sup'=>'8835', 'nsub'=>'8836', 'sube'=>'8838', 'supe'=>'8839', 'oplus'=>'8853', 'otimes'=>'8855', 'perp'=>'8869', 'sdot'=>'8901', 'lceil'=>'8968', 'rceil'=>'8969', 'lfloor'=>'8970', 'rfloor'=>'8971', 'lang'=>'9001', 'rang'=>'9002', 'loz'=>'9674', 'spades'=>'9824', 'clubs'=>'9827', 'hearts'=>'9829', 'diams'=>'9830', 'apos'=>'39', 'OElig'=>'338', 'oelig'=>'339', 'Scaron'=>'352', 'scaron'=>'353', 'Yuml'=>'376', 'circ'=>'710', 'tilde'=>'732', 'ensp'=>'8194', 'emsp'=>'8195', 'thinsp'=>'8201', 'zwnj'=>'8204', 'zwj'=>'8205', 'lrm'=>'8206', 'rlm'=>'8207', 'ndash'=>'8211', 'mdash'=>'8212', 'lsquo'=>'8216', 'rsquo'=>'8217', 'sbquo'=>'8218', 'ldquo'=>'8220', 'rdquo'=>'8221', 'bdquo'=>'8222', 'dagger'=>'8224', 'Dagger'=>'8225', 'permil'=>'8240', 'lsaquo'=>'8249', 'rsaquo'=>'8250', 'euro'=>'8364', 'nbsp'=>'160', 'iexcl'=>'161', 'cent'=>'162', 'pound'=>'163', 'curren'=>'164', 'yen'=>'165', 'brvbar'=>'166', 'sect'=>'167', 'uml'=>'168', 'copy'=>'169', 'ordf'=>'170', 'laquo'=>'171', 'not'=>'172', 'shy'=>'173', 'reg'=>'174', 'macr'=>'175', 'deg'=>'176', 'plusmn'=>'177', 'sup2'=>'178', 'sup3'=>'179', 'acute'=>'180', 'micro'=>'181', 'para'=>'182', 'middot'=>'183', 'cedil'=>'184', 'sup1'=>'185', 'ordm'=>'186', 'raquo'=>'187', 'frac14'=>'188', 'frac12'=>'189', 'frac34'=>'190', 'iquest'=>'191', 'Agrave'=>'192', 'Aacute'=>'193', 'Acirc'=>'194', 'Atilde'=>'195', 'Auml'=>'196', 'Aring'=>'197', 'AElig'=>'198', 'Ccedil'=>'199', 'Egrave'=>'200', 'Eacute'=>'201', 'Ecirc'=>'202', 'Euml'=>'203', 'Igrave'=>'204', 'Iacute'=>'205', 'Icirc'=>'206', 'Iuml'=>'207', 'ETH'=>'208', 'Ntilde'=>'209', 'Ograve'=>'210', 'Oacute'=>'211', 'Ocirc'=>'212', 'Otilde'=>'213', 'Ouml'=>'214', 'times'=>'215', 'Oslash'=>'216', 'Ugrave'=>'217', 'Uacute'=>'218', 'Ucirc'=>'219', 'Uuml'=>'220', 'Yacute'=>'221', 'THORN'=>'222', 'szlig'=>'223', 'agrave'=>'224', 'aacute'=>'225', 'acirc'=>'226', 'atilde'=>'227', 'auml'=>'228', 'aring'=>'229', 'aelig'=>'230', 'ccedil'=>'231', 'egrave'=>'232', 'eacute'=>'233', 'ecirc'=>'234', 'euml'=>'235', 'igrave'=>'236', 'iacute'=>'237', 'icirc'=>'238', 'iuml'=>'239', 'eth'=>'240', 'ntilde'=>'241', 'ograve'=>'242', 'oacute'=>'243', 'ocirc'=>'244', 'otilde'=>'245', 'ouml'=>'246', 'divide'=>'247', 'oslash'=>'248', 'ugrave'=>'249', 'uacute'=>'250', 'ucirc'=>'251', 'uuml'=>'252', 'yacute'=>'253', 'thorn'=>'254', 'yuml'=>'255');
+if($t[0] != '#'){
+ return ($C['and_mark'] ? "\x06" : '&'). (isset($U[$t]) ? $t : (isset($N[$t]) ? (!$C['named_entity'] ? '#'. ($C['hexdec_entity'] > 1 ? 'x'. dechex($N[$t]) : $N[$t]) : $t) : 'amp;'. $t)). ';';
+}
+if(($n = ctype_digit($t = substr($t, 1)) ? intval($t) : hexdec(substr($t, 1))) < 9 or ($n > 13 && $n < 32) or $n == 11 or $n == 12 or ($n > 126 && $n < 160 && $n != 133) or ($n > 55295 && ($n < 57344 or ($n > 64975 && $n < 64992) or $n == 65534 or $n == 65535 or $n > 1114111))){
+ return ($C['and_mark'] ? "\x06" : '&'). "amp;#{$t};";
+}
+return ($C['and_mark'] ? "\x06" : '&'). '#'. (((ctype_digit($t) && $C['hexdec_entity'] < 2) or !$C['hexdec_entity']) ? $n : 'x'. dechex($n)). ';';
+}
+
+function hl_prot($p, $c=null){
+// check URL scheme
+global $C;
+$b = $a = '';
+if($c == null){$c = 'style'; $b = $p[1]; $a = $p[3]; $p = trim($p[2]);}
+$c = isset($C['schemes'][$c]) ? $C['schemes'][$c] : $C['schemes']['*'];
+static $d = 'denied:';
+if(isset($c['!']) && substr($p, 0, 7) != $d){$p = "$d$p";}
+if(isset($c['*']) or !strcspn($p, '#?;') or (substr($p, 0, 7) == $d)){return "{$b}{$p}{$a}";} // All ok, frag, query, param
+if(preg_match('`^([^:?[@!$()*,=/\'\]]+?)(:|(58|x3a);|%3a|\\\\0{0,4}3a).`i', $p, $m) && !isset($c[strtolower($m[1])])){ // Denied prot
+ return "{$b}{$d}{$p}{$a}";
+}
+if($C['abs_url']){
+ if($C['abs_url'] == -1 && strpos($p, $C['base_url']) === 0){ // Make url rel
+ $p = substr($p, strlen($C['base_url']));
+ }elseif(empty($m[1])){ // Make URL abs
+ if(substr($p, 0, 2) == '//'){$p = substr($C['base_url'], 0, strpos($C['base_url'], ':')+1). $p;}
+ elseif($p[0] == '/'){$p = preg_replace('`(^.+?://[^/]+)(.*)`', '$1', $C['base_url']). $p;}
+ elseif(strcspn($p, './')){$p = $C['base_url']. $p;}
+ else{
+ preg_match('`^([a-zA-Z\d\-+.]+://[^/]+)(.*)`', $C['base_url'], $m);
+ $p = preg_replace('`(?<=/)\./`', '', $m[2]. $p);
+ while(preg_match('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', $p)){
+ $p = preg_replace('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', '', $p);
+ }
+ $p = $m[1]. $p;
+ }
+ }
+}
+return "{$b}{$p}{$a}";
+}
+
+function hl_regex($p){
+// check regex
+if(empty($p)){return 0;}
+if($v = function_exists('error_clear_last') && function_exists('error_get_last')){error_clear_last();}
+else{
+ if($t = ini_get('track_errors')){$o = isset($php_errormsg) ? $php_errormsg : null;}
+ else{ini_set('track_errors', 1);}
+ unset($php_errormsg);
+}
+if(($d = ini_get('display_errors'))){ini_set('display_errors', 0);}
+preg_match($p, '');
+if($v){$r = error_get_last() == null ? 1 : 0; }
+else{
+ $r = isset($php_errormsg) ? 0 : 1;
+ if($t){$php_errormsg = isset($o) ? $o : null;}
+ else{ini_set('track_errors', 0);}
+}
+if($d){ini_set('display_errors', 1);}
+return $r;
+}
+
+function hl_spec($t){
+// final $spec
+$s = array();
+if(!function_exists('hl_aux1')){function hl_aux1($m){
+ return substr(str_replace(array(";", "|", "~", " ", ",", "/", "(", ")", '`"'), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", '"'), $m[0]), 1, -1);
+}}
+$t = str_replace(array("\t", "\r", "\n", ' '), '', preg_replace_callback('/"(?>(`.|[^"])*)"/sm', 'hl_aux1', trim($t)));
+for($i = count(($t = explode(';', $t))); --$i>=0;){
+ $w = $t[$i];
+ if(empty($w) or ($e = strpos($w, '=')) === false or !strlen(($a = substr($w, $e+1)))){continue;}
+ $y = $n = array();
+ foreach(explode(',', $a) as $v){
+ if(!preg_match('`^([a-z:\-\*]+)(?:\((.*?)\))?`i', $v, $m)){continue;}
+ if(($x = strtolower($m[1])) == '-*'){$n['*'] = 1; continue;}
+ if($x[0] == '-'){$n[substr($x, 1)] = 1; continue;}
+ if(!isset($m[2])){$y[$x] = 1; continue;}
+ foreach(explode('/', $m[2]) as $m){
+ if(empty($m) or ($p = strpos($m, '=')) == 0 or $p < 5){$y[$x] = 1; continue;}
+ $y[$x][strtolower(substr($m, 0, $p))] = str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08"), array(";", "|", "~", " ", ",", "/", "(", ")"), substr($m, $p+1));
+ }
+ if(isset($y[$x]['match']) && !hl_regex($y[$x]['match'])){unset($y[$x]['match']);}
+ if(isset($y[$x]['nomatch']) && !hl_regex($y[$x]['nomatch'])){unset($y[$x]['nomatch']);}
+ }
+ if(!count($y) && !count($n)){continue;}
+ foreach(explode(',', substr($w, 0, $e)) as $v){
+ if(!strlen(($v = strtolower($v)))){continue;}
+ if(count($y)){if(!isset($s[$v])){$s[$v] = $y;} else{$s[$v] = array_merge($s[$v], $y);}}
+ if(count($n)){if(!isset($s[$v]['n'])){$s[$v]['n'] = $n;} else{$s[$v]['n'] = array_merge($s[$v]['n'], $n);}}
+ }
+}
+return $s;
+}
+
+function hl_tag($t){
+// tag/attribute handler
+global $C;
+$t = $t[0];
+// invalid < >
+if($t == '< '){return '< ';}
+if($t == '>'){return '>';}
+if(!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$`m', $t, $m)){
+ return str_replace(array('<', '>'), array('<', '>'), $t);
+}elseif(!isset($C['elements'][($e = strtolower($m[2]))])){
+ return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('<', '>'), $t) : '');
+}
+// attr string
+$a = str_replace(array("\n", "\r", "\t"), ' ', trim($m[3]));
+// tag transform
+static $eD = array('acronym'=>1, 'applet'=>1, 'big'=>1, 'center'=>1, 'dir'=>1, 'font'=>1, 'isindex'=>1, 's'=>1, 'strike'=>1, 'tt'=>1); // Deprecated
+if($C['make_tag_strict'] && isset($eD[$e])){
+ $trt = hl_tag2($e, $a, $C['make_tag_strict']);
+ if(!$e){return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('<', '>'), $t) : '');}
+}
+// close tag
+static $eE = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1); // Empty ele
+if(!empty($m[1])){
+ return (!isset($eE[$e]) ? (empty($C['hook_tag']) ? "$e>" : $C['hook_tag']($e)) : (($C['keep_bad'])%2 ? str_replace(array('<', '>'), array('<', '>'), $t) : ''));
+}
+
+// open tag & attr
+static $aN = array('abbr'=>array('td'=>1, 'th'=>1), 'accept'=>array('form'=>1, 'input'=>1), 'accept-charset'=>array('form'=>1), 'action'=>array('form'=>1), 'align'=>array('applet'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'div'=>1, 'embed'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'allowfullscreen'=>array('iframe'=>1), 'alt'=>array('applet'=>1, 'area'=>1, 'img'=>1, 'input'=>1), 'archive'=>array('applet'=>1, 'object'=>1), 'async'=>array('script'=>1), 'autocomplete'=>array('form'=>1, 'input'=>1), 'autofocus'=>array('button'=>1, 'input'=>1, 'keygen'=>1, 'select'=>1, 'textarea'=>1), 'autoplay'=>array('audio'=>1, 'video'=>1), 'axis'=>array('td'=>1, 'th'=>1), 'bgcolor'=>array('embed'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('img'=>1, 'object'=>1, 'table'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellpadding'=>array('table'=>1), 'cellspacing'=>array('table'=>1), 'challenge'=>array('keygen'=>1), 'char'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charoff'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charset'=>array('a'=>1, 'script'=>1), 'checked'=>array('command'=>1, 'input'=>1), 'cite'=>array('blockquote'=>1, 'del'=>1, 'ins'=>1, 'q'=>1), 'classid'=>array('object'=>1), 'clear'=>array('br'=>1), 'code'=>array('applet'=>1), 'codebase'=>array('applet'=>1, 'object'=>1), 'codetype'=>array('object'=>1), 'color'=>array('font'=>1), 'cols'=>array('textarea'=>1), 'colspan'=>array('td'=>1, 'th'=>1), 'compact'=>array('dir'=>1, 'dl'=>1, 'menu'=>1, 'ol'=>1, 'ul'=>1), 'content'=>array('meta'=>1), 'controls'=>array('audio'=>1, 'video'=>1), 'coords'=>array('a'=>1, 'area'=>1), 'crossorigin'=>array('img'=>1), 'data'=>array('object'=>1), 'datetime'=>array('del'=>1, 'ins'=>1, 'time'=>1), 'declare'=>array('object'=>1), 'default'=>array('track'=>1), 'defer'=>array('script'=>1), 'dirname'=>array('input'=>1, 'textarea'=>1), 'disabled'=>array('button'=>1, 'command'=>1, 'fieldset'=>1, 'input'=>1, 'keygen'=>1, 'optgroup'=>1, 'option'=>1, 'select'=>1, 'textarea'=>1), 'download'=>array('a'=>1), 'enctype'=>array('form'=>1), 'face'=>array('font'=>1), 'flashvars'=>array('embed'=>1), 'for'=>array('label'=>1, 'output'=>1), 'form'=>array('button'=>1, 'fieldset'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'object'=>1, 'output'=>1, 'select'=>1, 'textarea'=>1), 'formaction'=>array('button'=>1, 'input'=>1), 'formenctype'=>array('button'=>1, 'input'=>1), 'formmethod'=>array('button'=>1, 'input'=>1), 'formnovalidate'=>array('button'=>1, 'input'=>1), 'formtarget'=>array('button'=>1, 'input'=>1), 'frame'=>array('table'=>1), 'frameborder'=>array('iframe'=>1), 'headers'=>array('td'=>1, 'th'=>1), 'height'=>array('applet'=>1, 'canvas'=>1, 'embed'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'td'=>1, 'th'=>1, 'video'=>1), 'high'=>array('meter'=>1), 'href'=>array('a'=>1, 'area'=>1, 'link'=>1), 'hreflang'=>array('a'=>1, 'area'=>1, 'link'=>1), 'hspace'=>array('applet'=>1, 'embed'=>1, 'img'=>1, 'object'=>1), 'icon'=>array('command'=>1), 'ismap'=>array('img'=>1, 'input'=>1), 'keyparams'=>array('keygen'=>1), 'keytype'=>array('keygen'=>1), 'kind'=>array('track'=>1), 'label'=>array('command'=>1, 'menu'=>1, 'option'=>1, 'optgroup'=>1, 'track'=>1), 'language'=>array('script'=>1), 'list'=>array('input'=>1), 'longdesc'=>array('img'=>1, 'iframe'=>1), 'loop'=>array('audio'=>1, 'video'=>1), 'low'=>array('meter'=>1), 'marginheight'=>array('iframe'=>1), 'marginwidth'=>array('iframe'=>1), 'max'=>array('input'=>1, 'meter'=>1, 'progress'=>1), 'maxlength'=>array('input'=>1, 'textarea'=>1), 'media'=>array('a'=>1, 'area'=>1, 'link'=>1, 'source'=>1, 'style'=>1), 'mediagroup'=>array('audio'=>1, 'video'=>1), 'method'=>array('form'=>1), 'min'=>array('input'=>1, 'meter'=>1), 'model'=>array('embed'=>1), 'multiple'=>array('input'=>1, 'select'=>1), 'muted'=>array('audio'=>1, 'video'=>1), 'name'=>array('a'=>1, 'applet'=>1, 'button'=>1, 'embed'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'keygen'=>1, 'map'=>1, 'object'=>1, 'output'=>1, 'param'=>1, 'select'=>1, 'textarea'=>1), 'nohref'=>array('area'=>1), 'noshade'=>array('hr'=>1), 'novalidate'=>array('form'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'object'=>array('applet'=>1), 'open'=>array('details'=>1), 'optimum'=>array('meter'=>1), 'pattern'=>array('input'=>1), 'ping'=>array('a'=>1, 'area'=>1), 'placeholder'=>array('input'=>1, 'textarea'=>1), 'pluginspage'=>array('embed'=>1), 'pluginurl'=>array('embed'=>1), 'poster'=>array('video'=>1), 'pqg'=>array('keygen'=>1), 'preload'=>array('audio'=>1, 'video'=>1), 'prompt'=>array('isindex'=>1), 'pubdate'=>array('time'=>1), 'radiogroup'=>array('command'=>1), 'readonly'=>array('input'=>1, 'textarea'=>1), 'rel'=>array('a'=>1, 'area'=>1, 'link'=>1), 'required'=>array('input'=>1, 'select'=>1, 'textarea'=>1), 'rev'=>array('a'=>1), 'reversed'=>array('ol'=>1), 'rows'=>array('textarea'=>1), 'rowspan'=>array('td'=>1, 'th'=>1), 'rules'=>array('table'=>1), 'sandbox'=>array('iframe'=>1), 'scope'=>array('td'=>1, 'th'=>1), 'scoped'=>array('style'=>1), 'scrolling'=>array('iframe'=>1), 'seamless'=>array('iframe'=>1), 'selected'=>array('option'=>1), 'shape'=>array('a'=>1, 'area'=>1), 'size'=>array('font'=>1, 'hr'=>1, 'input'=>1, 'select'=>1), 'sizes'=>array('link'=>1), 'span'=>array('col'=>1, 'colgroup'=>1), 'src'=>array('audio'=>1, 'embed'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'script'=>1, 'source'=>1, 'track'=>1, 'video'=>1), 'srcdoc'=>array('iframe'=>1), 'srclang'=>array('track'=>1), 'srcset'=>array('img'=>1), 'standby'=>array('object'=>1), 'start'=>array('ol'=>1), 'step'=>array('input'=>1), 'summary'=>array('table'=>1), 'target'=>array('a'=>1, 'area'=>1, 'form'=>1), 'type'=>array('a'=>1, 'area'=>1, 'button'=>1, 'command'=>1, 'embed'=>1, 'input'=>1, 'li'=>1, 'link'=>1, 'menu'=>1, 'object'=>1, 'ol'=>1, 'param'=>1, 'script'=>1, 'source'=>1, 'style'=>1, 'ul'=>1), 'typemustmatch'=>array('object'=>1), 'usemap'=>array('img'=>1, 'input'=>1, 'object'=>1), 'valign'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'value'=>array('button'=>1, 'data'=>1, 'input'=>1, 'li'=>1, 'meter'=>1, 'option'=>1, 'param'=>1, 'progress'=>1), 'valuetype'=>array('param'=>1), 'vspace'=>array('applet'=>1, 'embed'=>1, 'img'=>1, 'object'=>1), 'width'=>array('applet'=>1, 'canvas'=>1, 'col'=>1, 'colgroup'=>1, 'embed'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'pre'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'video'=>1), 'wmode'=>array('embed'=>1), 'wrap'=>array('textarea'=>1)); // Ele-specific
+static $aNA = array('aria-activedescendant'=>1, 'aria-atomic'=>1, 'aria-autocomplete'=>1, 'aria-busy'=>1, 'aria-checked'=>1, 'aria-controls'=>1, 'aria-describedby'=>1, 'aria-disabled'=>1, 'aria-dropeffect'=>1, 'aria-expanded'=>1, 'aria-flowto'=>1, 'aria-grabbed'=>1, 'aria-haspopup'=>1, 'aria-hidden'=>1, 'aria-invalid'=>1, 'aria-label'=>1, 'aria-labelledby'=>1, 'aria-level'=>1, 'aria-live'=>1, 'aria-multiline'=>1, 'aria-multiselectable'=>1, 'aria-orientation'=>1, 'aria-owns'=>1, 'aria-posinset'=>1, 'aria-pressed'=>1, 'aria-readonly'=>1, 'aria-relevant'=>1, 'aria-required'=>1, 'aria-selected'=>1, 'aria-setsize'=>1, 'aria-sort'=>1, 'aria-valuemax'=>1, 'aria-valuemin'=>1, 'aria-valuenow'=>1, 'aria-valuetext'=>1); // ARIA
+static $aNE = array('allowfullscreen'=>1, 'checkbox'=>1, 'checked'=>1, 'command'=>1, 'compact'=>1, 'declare'=>1, 'defer'=>1, 'default'=>1, 'disabled'=>1, 'hidden'=>1, 'inert'=>1, 'ismap'=>1, 'itemscope'=>1, 'multiple'=>1, 'nohref'=>1, 'noresize'=>1, 'noshade'=>1, 'nowrap'=>1, 'open'=>1, 'radio'=>1, 'readonly'=>1, 'required'=>1, 'reversed'=>1, 'selected'=>1); // Empty
+static $aNO = array('onabort'=>1, 'onblur'=>1, 'oncanplay'=>1, 'oncanplaythrough'=>1, 'onchange'=>1, 'onclick'=>1, 'oncontextmenu'=>1, 'oncopy'=>1, 'oncuechange'=>1, 'oncut'=>1, 'ondblclick'=>1, 'ondrag'=>1, 'ondragend'=>1, 'ondragenter'=>1, 'ondragleave'=>1, 'ondragover'=>1, 'ondragstart'=>1, 'ondrop'=>1, 'ondurationchange'=>1, 'onemptied'=>1, 'onended'=>1, 'onerror'=>1, 'onfocus'=>1, 'onformchange'=>1, 'onforminput'=>1, 'oninput'=>1, 'oninvalid'=>1, 'onkeydown'=>1, 'onkeypress'=>1, 'onkeyup'=>1, 'onload'=>1, 'onloadeddata'=>1, 'onloadedmetadata'=>1, 'onloadstart'=>1, 'onlostpointercapture'=>1, 'onmousedown'=>1, 'onmousemove'=>1, 'onmouseout'=>1, 'onmouseover'=>1, 'onmouseup'=>1, 'onmousewheel'=>1, 'onpaste'=>1, 'onpause'=>1, 'onplay'=>1, 'onplaying'=>1, 'onpointercancel'=>1, 'ongotpointercapture'=>1, 'onpointerdown'=>1, 'onpointerenter'=>1, 'onpointerleave'=>1, 'onpointermove'=>1, 'onpointerout'=>1, 'onpointerover'=>1, 'onpointerup'=>1, 'onprogress'=>1, 'onratechange'=>1, 'onreadystatechange'=>1, 'onreset'=>1, 'onsearch'=>1, 'onscroll'=>1, 'onseeked'=>1, 'onseeking'=>1, 'onselect'=>1, 'onshow'=>1, 'onstalled'=>1, 'onsubmit'=>1, 'onsuspend'=>1, 'ontimeupdate'=>1, 'ontoggle'=>1, 'ontouchcancel'=>1, 'ontouchend'=>1, 'ontouchmove'=>1, 'ontouchstart'=>1, 'onvolumechange'=>1, 'onwaiting'=>1, 'onwheel'=>1); // Event
+static $aNP = array('action'=>1, 'cite'=>1, 'classid'=>1, 'codebase'=>1, 'data'=>1, 'href'=>1, 'itemtype'=>1, 'longdesc'=>1, 'model'=>1, 'pluginspage'=>1, 'pluginurl'=>1, 'src'=>1, 'srcset'=>1, 'usemap'=>1); // Need scheme check; excludes style, on*
+static $aNU = array('accesskey'=>1, 'class'=>1, 'contenteditable'=>1, 'contextmenu'=>1, 'dir'=>1, 'draggable'=>1, 'dropzone'=>1, 'hidden'=>1, 'id'=>1, 'inert'=>1, 'itemid'=>1, 'itemprop'=>1, 'itemref'=>1, 'itemscope'=>1, 'itemtype'=>1, 'lang'=>1, 'role'=>1, 'spellcheck'=>1, 'style'=>1, 'tabindex'=>1, 'title'=>1, 'translate'=>1, 'xmlns'=>1, 'xml:base'=>1, 'xml:lang'=>1, 'xml:space'=>1); // Univ; excludes on*, aria*
+
+if($C['lc_std_val']){
+ // predef attr vals for $eAL & $aNE ele
+ static $aNL = array('all'=>1, 'auto'=>1, 'baseline'=>1, 'bottom'=>1, 'button'=>1, 'captions'=>1, 'center'=>1, 'chapters'=>1, 'char'=>1, 'checkbox'=>1, 'circle'=>1, 'col'=>1, 'colgroup'=>1, 'color'=>1, 'cols'=>1, 'data'=>1, 'date'=>1, 'datetime'=>1, 'datetime-local'=>1, 'default'=>1, 'descriptions'=>1, 'email'=>1, 'file'=>1, 'get'=>1, 'groups'=>1, 'hidden'=>1, 'image'=>1, 'justify'=>1, 'left'=>1, 'ltr'=>1, 'metadata'=>1, 'middle'=>1, 'month'=>1, 'none'=>1, 'number'=>1, 'object'=>1, 'password'=>1, 'poly'=>1, 'post'=>1, 'preserve'=>1, 'radio'=>1, 'range'=>1, 'rect'=>1, 'ref'=>1, 'reset'=>1, 'right'=>1, 'row'=>1, 'rowgroup'=>1, 'rows'=>1, 'rtl'=>1, 'search'=>1, 'submit'=>1, 'subtitles'=>1, 'tel'=>1, 'text'=>1, 'time'=>1, 'top'=>1, 'url'=>1, 'week'=>1);
+ static $eAL = array('a'=>1, 'area'=>1, 'bdo'=>1, 'button'=>1, 'col'=>1, 'fieldset'=>1, 'form'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'script'=>1, 'select'=>1, 'table'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1, 'track'=>1, 'xml:space'=>1);
+ $lcase = isset($eAL[$e]) ? 1 : 0;
+}
+
+$depTr = 0;
+if($C['no_deprecated_attr']){
+ // depr attr:applicable ele
+ static $aND = array('align'=>array('caption'=>1, 'div'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1), 'bgcolor'=>array('table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('object'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellspacing'=>array('table'=>1), 'clear'=>array('br'=>1), 'compact'=>array('dl'=>1, 'ol'=>1, 'ul'=>1), 'height'=>array('td'=>1, 'th'=>1), 'hspace'=>array('img'=>1, 'object'=>1), 'language'=>array('script'=>1), 'name'=>array('a'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'map'=>1), 'noshade'=>array('hr'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'size'=>array('hr'=>1), 'vspace'=>array('img'=>1, 'object'=>1), 'width'=>array('hr'=>1, 'pre'=>1, 'table'=>1, 'td'=>1, 'th'=>1));
+ static $eAD = array('a'=>1, 'br'=>1, 'caption'=>1, 'div'=>1, 'dl'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'map'=>1, 'object'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'script'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1, 'ul'=>1);
+ $depTr = isset($eAD[$e]) ? 1 : 0;
+}
+
+// attr name-vals
+if(strpos($a, "\x01") !== false){$a = preg_replace('`\x01[^\x01]*\x01`', '', $a);} // No comment/CDATA sec
+$mode = 0; $a = trim($a, ' /'); $aA = array();
+while(strlen($a)){
+ $w = 0;
+ switch($mode){
+ case 0: // Name
+ if(preg_match('`^[a-zA-Z][^\s=/]+`', $a, $m)){
+ $nm = strtolower($m[0]);
+ $w = $mode = 1; $a = ltrim(substr_replace($a, '', 0, strlen($m[0])));
+ }
+ break; case 1:
+ if($a[0] == '='){ // =
+ $w = 1; $mode = 2; $a = ltrim($a, '= ');
+ }else{ // No val
+ $w = 1; $mode = 0; $a = ltrim($a);
+ $aA[$nm] = '';
+ }
+ break; case 2: // Val
+ if(preg_match('`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\s*[^\s"\']+))(.*)`', $a, $m)){
+ $a = ltrim($m[2]); $m = $m[1]; $w = 1; $mode = 0;
+ $aA[$nm] = trim(str_replace('<', '<', ($m[0] == '"' or $m[0] == '\'') ? substr($m, 1, -1) : $m));
+ }
+ break;
+ }
+ if($w == 0){ // Parse errs, deal with space, " & '
+ $a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*`', '', $a);
+ $mode = 0;
+ }
+}
+if($mode == 1){$aA[$nm] = '';}
+
+// clean attrs
+global $S;
+$rl = isset($S[$e]) ? $S[$e] : array();
+$a = array(); $nfr = 0; $d = $C['deny_attribute'];
+foreach($aA as $k=>$v){
+ if(((isset($d['*']) ? isset($d[$k]) : !isset($d[$k])) && (isset($aN[$k][$e]) or isset($aNU[$k]) or (isset($aNO[$k]) && !isset($d['on*'])) or (isset($aNA[$k]) && !isset($d['aria*'])) or (!isset($d['data*']) && preg_match('`data-((?!xml)[^:]+$)`', $k))) && !isset($rl['n'][$k]) && !isset($rl['n']['*'])) or isset($rl[$k])){
+ if(isset($aNE[$k])){$v = $k;}
+ elseif(!empty($lcase) && (($e != 'button' or $e != 'input') or $k == 'type')){ // Rather loose but ?not cause issues
+ $v = (isset($aNL[($v2 = strtolower($v))])) ? $v2 : $v;
+ }
+ if($k == 'style' && !$C['style_pass']){
+ if(false !== strpos($v, '')){
+ static $sC = array(' '=>' ', ' '=>' ', 'E'=>'e', 'E'=>'e', 'e'=>'e', 'e'=>'e', 'X'=>'x', 'X'=>'x', 'x'=>'x', 'x'=>'x', 'P'=>'p', 'P'=>'p', 'p'=>'p', 'p'=>'p', 'S'=>'s', 'S'=>'s', 's'=>'s', 's'=>'s', 'I'=>'i', 'I'=>'i', 'i'=>'i', 'i'=>'i', 'O'=>'o', 'O'=>'o', 'o'=>'o', 'o'=>'o', 'N'=>'n', 'N'=>'n', 'n'=>'n', 'n'=>'n', 'U'=>'u', 'U'=>'u', 'u'=>'u', 'u'=>'u', 'R'=>'r', 'R'=>'r', 'r'=>'r', 'r'=>'r', 'L'=>'l', 'L'=>'l', 'l'=>'l', 'l'=>'l', '('=>'(', '('=>'(', ')'=>')', ')'=>')', ' '=>':', ' '=>':', '"'=>'"', '"'=>'"', '''=>"'", '''=>"'", '/'=>'/', '/'=>'/', '*'=>'*', '*'=>'*', '\'=>'\\', '\'=>'\\');
+ $v = strtr($v, $sC);
+ }
+ $v = preg_replace_callback('`(url(?:\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\)))`iS', 'hl_prot', $v);
+ $v = !$C['css_expression'] ? preg_replace('`expression`i', ' ', preg_replace('`\\\\\S|(/|(%2f))(\*|(%2a))`i', ' ', $v)) : $v;
+ }elseif(isset($aNP[$k]) or isset($aNO[$k])){
+ $v = str_replace("", ' ', (strpos($v, '&') !== false ? str_replace(array('', '', ''), ' ', $v) : $v)); # double-quoted char: soft-hyphen; appears here as "" or hyphen or something else depending on viewing software
+ if($k == 'srcset'){
+ $v2 = '';
+ foreach(explode(',', $v) as $k1=>$v1){
+ $v1 = explode(' ', ltrim($v1), 2);
+ $k1 = isset($v1[1]) ? trim($v1[1]) : '';
+ $v1 = trim($v1[0]);
+ if(isset($v1[0])){$v2 .= hl_prot($v1, $k). (empty($k1) ? '' : ' '. $k1). ', ';}
+ }
+ $v = trim($v2, ', ');
+ }
+ if($k == 'itemtype'){
+ $v2 = '';
+ foreach(explode(' ', $v) as $v1){
+ if(isset($v1[0])){$v2 .= hl_prot($v1, $k). ' ';}
+ }
+ $v = trim($v2, ' ');
+ }
+ else{$v = hl_prot($v, $k);}
+ if($k == 'href'){ // X-spam
+ if($C['anti_mail_spam'] && strpos($v, 'mailto:') === 0){
+ $v = str_replace('@', htmlspecialchars($C['anti_mail_spam']), $v);
+ }elseif($C['anti_link_spam']){
+ $r1 = $C['anti_link_spam'][1];
+ if(!empty($r1) && preg_match($r1, $v)){continue;}
+ $r0 = $C['anti_link_spam'][0];
+ if(!empty($r0) && preg_match($r0, $v)){
+ if(isset($a['rel'])){
+ if(!preg_match('`\bnofollow\b`i', $a['rel'])){$a['rel'] .= ' nofollow';}
+ }elseif(isset($aA['rel'])){
+ if(!preg_match('`\bnofollow\b`i', $aA['rel'])){$nfr = 1;}
+ }else{$a['rel'] = 'nofollow';}
+ }
+ }
+ }
+ }
+ if(isset($rl[$k]) && is_array($rl[$k]) && ($v = hl_attrval($k, $v, $rl[$k])) === 0){continue;}
+ $a[$k] = str_replace('"', '"', $v);
+ }
+}
+if($nfr){$a['rel'] = isset($a['rel']) ? $a['rel']. ' nofollow' : 'nofollow';}
+
+// rqd attr
+static $eAR = array('area'=>array('alt'=>'area'), 'bdo'=>array('dir'=>'ltr'), 'command'=>array('label'=>''), 'form'=>array('action'=>''), 'img'=>array('src'=>'', 'alt'=>'image'), 'map'=>array('name'=>''), 'optgroup'=>array('label'=>''), 'param'=>array('name'=>''), 'style'=>array('scoped'=>''), 'textarea'=>array('rows'=>'10', 'cols'=>'50'));
+if(isset($eAR[$e])){
+ foreach($eAR[$e] as $k=>$v){
+ if(!isset($a[$k])){$a[$k] = isset($v[0]) ? $v : $k;}
+ }
+}
+
+// depr attr
+if($depTr){
+ $c = array();
+ foreach($a as $k=>$v){
+ if($k == 'style' or !isset($aND[$k][$e])){continue;}
+ $v = str_replace(array('\\', ':', ';', ''), '', $v);
+ if($k == 'align'){
+ unset($a['align']);
+ if($e == 'img' && ($v == 'left' or $v == 'right')){$c[] = 'float: '. $v;}
+ elseif(($e == 'div' or $e == 'table') && $v == 'center'){$c[] = 'margin: auto';}
+ else{$c[] = 'text-align: '. $v;}
+ }elseif($k == 'bgcolor'){
+ unset($a['bgcolor']);
+ $c[] = 'background-color: '. $v;
+ }elseif($k == 'border'){
+ unset($a['border']); $c[] = "border: {$v}px";
+ }elseif($k == 'bordercolor'){
+ unset($a['bordercolor']); $c[] = 'border-color: '. $v;
+ }elseif($k == 'cellspacing'){
+ unset($a['cellspacing']); $c[] = "border-spacing: {$v}px";
+ }elseif($k == 'clear'){
+ unset($a['clear']); $c[] = 'clear: '. ($v != 'all' ? $v : 'both');
+ }elseif($k == 'compact'){
+ unset($a['compact']); $c[] = 'font-size: 85%';
+ }elseif($k == 'height' or $k == 'width'){
+ unset($a[$k]); $c[] = $k. ': '. ($v[0] != '*' ? $v. (ctype_digit($v) ? 'px' : '') : 'auto');
+ }elseif($k == 'hspace'){
+ unset($a['hspace']); $c[] = "margin-left: {$v}px; margin-right: {$v}px";
+ }elseif($k == 'language' && !isset($a['type'])){
+ unset($a['language']);
+ $a['type'] = 'text/'. strtolower($v);
+ }elseif($k == 'name'){
+ if($C['no_deprecated_attr'] == 2 or ($e != 'a' && $e != 'map')){unset($a['name']);}
+ if(!isset($a['id']) && !preg_match('`\W`', $v)){$a['id'] = $v;}
+ }elseif($k == 'noshade'){
+ unset($a['noshade']); $c[] = 'border-style: none; border: 0; background-color: gray; color: gray';
+ }elseif($k == 'nowrap'){
+ unset($a['nowrap']); $c[] = 'white-space: nowrap';
+ }elseif($k == 'size'){
+ unset($a['size']); $c[] = 'size: '. $v. 'px';
+ }elseif($k == 'vspace'){
+ unset($a['vspace']); $c[] = "margin-top: {$v}px; margin-bottom: {$v}px";
+ }
+ }
+ if(count($c)){
+ $c = implode('; ', $c);
+ $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $c. ';': $c. ';';
+ }
+}
+// unique ID
+if($C['unique_ids'] && isset($a['id'])){
+ if(preg_match('`\s`', ($id = $a['id'])) or (isset($GLOBALS['hl_Ids'][$id]) && $C['unique_ids'] == 1)){unset($a['id']);
+ }else{
+ while(isset($GLOBALS['hl_Ids'][$id])){$id = $C['unique_ids']. $id;}
+ $GLOBALS['hl_Ids'][($a['id'] = $id)] = 1;
+ }
+}
+// xml:lang
+if($C['xml:lang'] && isset($a['lang'])){
+ $a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang'];
+ if($C['xml:lang'] == 2){unset($a['lang']);}
+}
+// for transformed tag
+if(!empty($trt)){
+ $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $trt : $trt;
+}
+// return with empty ele /
+if(empty($C['hook_tag'])){
+ $aA = '';
+ foreach($a as $k=>$v){$aA .= " {$k}=\"{$v}\"";}
+ return "<{$e}{$aA}". (isset($eE[$e]) ? ' /' : ''). '>';
+}
+else{return $C['hook_tag']($e, $a);}
+}
+
+function hl_tag2(&$e, &$a, $t=1){
+// transform tag
+if($e == 'big'){$e = 'span'; return 'font-size: larger;';}
+if($e == 's' or $e == 'strike'){$e = 'span'; return 'text-decoration: line-through;';}
+if($e == 'tt'){$e = 'code'; return '';}
+if($e == 'center'){$e = 'div'; return 'text-align: center;';}
+static $fs = array('0'=>'xx-small', '1'=>'xx-small', '2'=>'small', '3'=>'medium', '4'=>'large', '5'=>'x-large', '6'=>'xx-large', '7'=>'300%', '-1'=>'smaller', '-2'=>'60%', '+1'=>'larger', '+2'=>'150%', '+3'=>'200%', '+4'=>'300%');
+if($e == 'font'){
+ $a2 = '';
+ while(preg_match('`(^|\s)(color|size)\s*=\s*(\'|")?(.+?)(\\3|\s|$)`i', $a, $m)){
+ $a = str_replace($m[0], ' ', $a);
+ $a2 .= strtolower($m[2]) == 'color' ? (' color: '. str_replace(array('"', ';', ':'), '\'', trim($m[4])). ';') : (isset($fs[($m = trim($m[4]))]) ? (' font-size: '. $fs[$m]. ';') : '');
+ }
+ while(preg_match('`(^|\s)face\s*=\s*(\'|")?([^=]+?)\\2`i', $a, $m) or preg_match('`(^|\s)face\s*=(\s*)(\S+)`i', $a, $m)){
+ $a = str_replace($m[0], ' ', $a);
+ $a2 .= ' font-family: '. str_replace(array('"', ';', ':'), '\'', trim($m[3])). ';';
+ }
+ $e = 'span'; return ltrim(str_replace('<', '', $a2));
+}
+if($e == 'acronym'){$e = 'abbr'; return '';}
+if($e == 'dir'){$e = 'ul'; return '';}
+if($t == 2){$e = 0; return 0;}
+return '';
+}
+
+function hl_tidy($t, $w, $p){
+// tidy/compact HTM
+if(strpos(' pre,script,textarea', "$p,")){return $t;}
+if(!function_exists('hl_aux2')){function hl_aux2($m){
+ return $m[1]. str_replace(array("<", ">", "\n", "\r", "\t", ' '), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), $m[3]). $m[4];
+}}
+$t = preg_replace(array('`(<\w[^>]*(?)\s+`', '`\s+`', '`(<\w[^>]*(?) `'), array(' $1', ' ', '$1'), preg_replace_callback(array('`(<(!\[CDATA\[))(.+?)(\]\]>)`sm', '`(<(!--))(.+?)(-->)`sm', '`(<(pre|script|textarea)[^>]*?>)(.+?)(\2>)`sm'), 'hl_aux2', $t));
+if(($w = strtolower($w)) == -1){
+ return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
+}
+$s = strpos(" $w", 't') ? "\t" : ' ';
+$s = preg_match('`\d`', $w, $m) ? str_repeat($s, $m[0]) : str_repeat($s, ($s == "\t" ? 1 : 2));
+$N = preg_match('`[ts]([1-9])`', $w, $m) ? $m[1] : 0;
+$a = array('br'=>1);
+$b = array('button'=>1, 'command'=>1, 'input'=>1, 'option'=>1, 'param'=>1, 'track'=>1);
+$c = array('audio'=>1, 'canvas'=>1, 'caption'=>1, 'dd'=>1, 'dt'=>1, 'figcaption'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'isindex'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'object'=>1, 'p'=>1, 'pre'=>1, 'style'=>1, 'summary'=>1, 'td'=>1, 'textarea'=>1, 'th'=>1, 'video'=>1);
+$d = array('address'=>1, 'article'=>1, 'aside'=>1, 'blockquote'=>1, 'center'=>1, 'colgroup'=>1, 'datalist'=>1, 'details'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'form'=>1, 'header'=>1, 'hgroup'=>1, 'hr'=>1, 'iframe'=>1, 'main'=>1, 'map'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'ol'=>1, 'optgroup'=>1, 'rbc'=>1, 'rtc'=>1, 'ruby'=>1, 'script'=>1, 'section'=>1, 'select'=>1, 'table'=>1, 'tbody'=>1, 'tfoot'=>1, 'thead'=>1, 'tr'=>1, 'ul'=>1);
+$T = explode('<', $t);
+$X = 1;
+while($X){
+ $n = $N;
+ $t = $T;
+ ob_start();
+ if(isset($d[$p])){echo str_repeat($s, ++$n);}
+ echo ltrim(array_shift($t));
+ for($i=-1, $j=count($t); ++$i<$j;){
+ $r = ''; list($e, $r) = explode('>', $t[$i]);
+ $x = $e[0] == '/' ? 0 : (substr($e, -1) == '/' ? 1 : ($e[0] != '!' ? 2 : -1));
+ $y = !$x ? ltrim($e, '/') : ($x > 0 ? substr($e, 0, strcspn($e, ' ')) : 0);
+ $e = "<$e>";
+ if(isset($d[$y])){
+ if(!$x){
+ if($n){echo "\n", str_repeat($s, --$n), "$e\n", str_repeat($s, $n);}
+ else{++$N; ob_end_clean(); continue 2;}
+ }
+ else{echo "\n", str_repeat($s, $n), "$e\n", str_repeat($s, ($x != 1 ? ++$n : $n));}
+ echo $r; continue;
+ }
+ $f = "\n". str_repeat($s, $n);
+ if(isset($c[$y])){
+ if(!$x){echo $e, $f, $r;}
+ else{echo $f, $e, $r;}
+ }elseif(isset($b[$y])){echo $f, $e, $r;
+ }elseif(isset($a[$y])){echo $e, $f, $r;
+ }elseif(!$y){echo $f, $e, $f, $r;
+ }else{echo $e, $r;}
+ }
+ $X = 0;
+}
+$t = str_replace(array("\n ", " \n"), "\n", preg_replace('`[\n]\s*?[\n]+`', "\n", ob_get_contents()));
+ob_end_clean();
+if(($l = strpos(" $w", 'r') ? (strpos(" $w", 'n') ? "\r\n" : "\r") : 0)){
+ $t = str_replace("\n", $l, $t);
+}
+return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
+}
+
+function hl_version(){
+// version
+return '1.2.5';
+}
diff --git a/lib/htmlawed/htmLawedTest.php b/lib/htmlawed/htmLawedTest.php
new file mode 100755
index 0000000..6475bc8
--- /dev/null
+++ b/lib/htmlawed/htmLawedTest.php
@@ -0,0 +1,677 @@
+ $v){
+ $_POST[$k] = stripslashes($v);
+ }
+ ini_set('magic_quotes_gpc', 0);
+}
+if(get_magic_quotes_runtime()){
+ set_magic_quotes_runtime(0);
+}
+
+$_POST['enc'] = (isset($_POST['enc']) and preg_match('`^[-\w]+$`', $_POST['enc'])) ? $_POST['enc'] : 'utf-8';
+
+// token for anti-CSRF
+if(count($_POST)){
+ if((empty($_GET['pre']) and ((!empty($_POST['token']) and !empty($_SESSION['token']) and $_POST['token'] != $_SESSION['token']) or empty($_POST[$_sid]) or $_POST[$_sid] != session_id() or empty($_COOKIE[$_sid]) or $_COOKIE[$_sid] != session_id())) or ($_POST[$_sid] != session_id())){
+ $_POST = array('enc'=>'utf-8');
+ }
+}
+if(empty($_GET['pre'])){
+ $_SESSION['token'] = md5(uniqid(rand(), 1));
+ $token = $_SESSION['token'];
+ session_regenerate_id(1);
+}
+
+// compress
+if(function_exists('gzencode') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) && preg_match('`gzip|deflate`i', $_SERVER['HTTP_ACCEPT_ENCODING']) && !ini_get('zlib.output_compression')){
+ ob_start('ob_gzhandler');
+}
+
+// HTM for unprocessed
+if(isset($_POST['inputH'])){
+ echo 'htmLawed test: HTML view of unprocessed input Rendering of raw/unprocessed input without an HTML doctype or charset declaration close window | htmLawed test page
', $_POST['inputH'], '
';
+ exit;
+}
+
+// HTM for processed
+if(isset($_POST['outputH'])){
+ echo 'htmLawed test: HTML view of unprocessed input Rendering of filtered/processed input without an HTML doctype or charset declaration close window | htmLawed test page
', $_POST['outputH'], '
';
+ exit;
+}
+
+// main
+$_POST['text'] = isset($_POST['text']) ? $_POST['text'] : 'text to process; < '. $_limit. ' characters'. ($_hlimit ? ' (for binary hexdump view, < '. $_hlimit. ')' : '');
+$do = (!empty($_POST[$_sid]) && isset($_POST['text'][0]) && !isset($_POST['text'][$_limit])) ? 1 : 0;
+$limit_exceeded = isset($_POST['text'][$_limit]) ? 1 : 0;
+$pre_mem = memory_get_usage();
+$validation = (!empty($_POST[$_sid]) and isset($_POST['w3c_validate'][0])) ? 1 : 0;
+include './htmLawed.php';
+
+function format($t){
+ $t = "\n". str_replace(array("\t", "\r\n", "\r", '&', '<', '>', "\n"), array(' ', "\n", "\n", '&', '<', '>', "¬ \n"), $t);
+ return str_replace(array(' ', "\n ", ' '), array("\n \n", "\n ", ' '), $t);
+}
+
+function hexdump($d){
+// Mainly by Aidan Lister , Peter Waller
+ $hexi = '';
+ $ascii = '';
+ ob_start();
+ echo '';
+ $offset = 0;
+ $len = strlen($d);
+ for($i=$j=0; $i<$len; $i++)
+ {
+ // Convert to hexidecimal
+ $hexi .= sprintf("%02X ", ord($d[$i]));
+ // Replace non-viewable bytes with '.'
+ if(ord($d[$i]) >= 32){
+ $ascii .= htmlspecialchars($d[$i]);
+ }else{
+ $ascii .= '.';
+ }
+ // Add extra column spacing
+ if($j == 7){
+ $hexi .= ' ';
+ $ascii .= ' ';
+ }
+ // Add row
+ if(++$j == 16 || $i == $len-1){
+ // Join the hexi / ascii output
+ echo sprintf("%04X %-49s %s", $offset, $hexi, $ascii);
+ // Reset vars
+ $hexi = $ascii = '';
+ $offset += 16;
+ $j = 0;
+ // Add newline
+ if ($i !== $len-1){
+ echo "\n";
+ }
+ }
+ }
+ echo ' ';
+ $o = ob_get_contents();
+ ob_end_clean();
+ return $o;
+}
+?>
+
+
+
+
+
+
+
+
+htmLawed () test
+
+
+
+
+
+
htm / txt documentation
+
+
Input » (max. chars)
+
+
+
+$v){
+ if($k[0] == 'h' && $v != 'nil'){
+ $cfg[substr($k, 1)] = $v;
+ }
+ }
+
+ if(isset($cfg['anti_link_spam']) && $cfg['anti_link_spam'] && (!empty($cfg['anti_link_spam11']) or !empty($cfg['anti_link_spam12']))){
+ $cfg['anti_link_spam'] = array($cfg['anti_link_spam11'], $cfg['anti_link_spam12']);
+ }
+ unset($cfg['anti_link_spam11'], $cfg['anti_link_spam12']);
+ if(isset($cfg['anti_mail_spam']) && $cfg['anti_mail_spam'] == 1){
+ $cfg['anti_mail_spam'] = isset($cfg['anti_mail_spam1'][0]) ? $cfg['anti_mail_spam1'] : 0;
+ }
+ unset($cfg['anti_mail_spam11']);
+ if(isset($cfg['deny_attribute']) && $cfg['deny_attribute'] == 1){
+ $cfg['deny_attribute'] = isset($cfg['deny_attribute1'][0]) ? $cfg['deny_attribute1'] : 0;
+ }
+ unset($cfg['deny_attribute1']);
+ if(isset($cfg['tidy']) && $cfg['tidy'] == 2){
+ $cfg['tidy'] = isset($cfg['tidy2'][0]) ? $cfg['tidy2'] : 0;
+ }
+ unset($cfg['tidy2']);
+ if(isset($cfg['unique_ids']) && $cfg['unique_ids'] == 2){
+ $cfg['unique_ids'] = isset($cfg['unique_ids2'][0]) ? $cfg['unique_ids2'] : 1;
+ }
+ unset($cfg['unique_ids2']);
+ unset($cfg['and_mark']); // disabling and_mark
+
+ $cfg['show_setting'] = 'hlcfg';
+ $st = microtime();
+ $out = htmLawed($_POST['text'], $cfg, $_POST['spec']);
+ $et = microtime();
+ echo '
Input code » ', strlen($_POST['text']), ' chars, ~', ($tag = round((substr_count($_POST['text'], '>') + substr_count($_POST['text'], '<'))/2)), ' tag', ($tag > 1 ? 's' : ''), ' ', format($_POST['text']), '
', (!isset($_POST['text'][$_hlimit]) ? '
Input binary » '. hexdump($_POST['text']). '
' : ''), '
Finalized internal settings » $config: ', str_replace(array(' ', "\t", ' '), array(' ', ' ', ' '), nl2br(htmlspecialchars(print_r($GLOBALS['hlcfg']['config'], true)))), ' $spec: ', str_replace(array(' ', "\t", ' '), array(' ', ' ', ' '), nl2br(htmlspecialchars(print_r($GLOBALS['hlcfg']['spec'], true)))), '
', '
Output » htmLawed processing time ', number_format(((substr($et,0,9)) + (substr($et,-10)) - (substr($st,0,9)) - (substr($st,-10))),4), ' s ', (($mem = memory_get_peak_usage()) !== false ? '
, peak memory usage '. round(($mem-$pre_mem)/1048576, 2). ' MB ' : ''), ' ', htmlspecialchars($out), '
Render in webpage Select all ';
+ if($_w3c_validate && $validation)
+ {
+?>
+
+
Check HTML
+
Check XHTML
+
+
Output code » ', format($out), '
', (!isset($_POST['text'][$_hlimit]) ? '
Output binary » '. hexdump($out). '
' : ''), '
Diff »
';
+}
+else{
+?>
+
+
+
+Use with a Javascript- and cookie-enabled, relatively new version of a common browser.
+
+
You can use text from
this collection of test-cases in the input. Set the character encoding of the browser to Unicode/utf-8 before copying.' : ''); ?>
+
+
For anti-XSS tests, try the
special test-page or see
these results .
+
+
Change Encoding to reflect the character encoding of the input text. Even then, it may not work or some characters may not display properly because of variable browser support and because of the form interface. Developers can write some PHP code to capture the filtered input to a file if this is important.
+ Refer to the htmLawed documentation (htm /txt ) for details about Settings , and htmLawed's behavior and limitations. For Settings , incorrectly-specified values like regular expressions are silently ignored. One or more settings form-fields may have been disabled. Some characters are not allowed in the Spec field.
+
+
+ Hovering the mouse over some of the text can provide additional information in some browsers.
+
+
+
+
Because of character-encoding issues, the W3C validator (anyway not perfect) may reject validation requests or invalidate otherwise-valid code, esp. if text was copy-pasted in the input box. Local applications like the HTML Validator Firefox browser add-on may be useful in such cases.
+
+
+
+
+
+
+
+
+
+
diff --git a/lib/htmlawed/htmLawed_README.htm b/lib/htmlawed/htmLawed_README.htm
new file mode 100644
index 0000000..42e4860
--- /dev/null
+++ b/lib/htmlawed/htmLawed_README.htm
@@ -0,0 +1,2289 @@
+
+
+
+
+
+
+
+
+
htmLawed documentation | htmLawed PHP software is a free, open-source, customizable HTML input purifier and filter
+
+
+
+
htmLawed documentation
+
+
+
+
+
+
+
+
+
+1 About htmLawed
+ (to top)
+
+ htmLawed is a PHP script to process text with HTML markup to make it more compliant with HTML standards and with administrative policies. It works by making HTML well-formed with balanced and properly nested tags, neutralizing code that introduces a security vulnerability or is used for cross-site scripting (XSS) attacks, allowing only specified HTML tags and attributes, and so on. Such
lawing in of HTML code ensures that it is in accordance with the aesthetics, safety and usability requirements set by administrators.
+
+ htmLawed is highly customizable, and fast with low memory usage. Its free and open-source code is in one small file. It does not require extensions or libraries, and works in older versions of PHP as well. It is a good alternative to the HTML
Tidy application.
+
+
+1.1 Example uses
+ (to top)
+
+ * Filtering of text submitted as comments on blogs to allow only certain HTML elements
+
+ * Making RSS newsfeed items standard-compliant: often one uses an excerpt from an HTML document for the content, and with unbalanced tags, non-numerical entities, etc., such excerpts may not be XML-compliant
+
+ * Beautifying or pretty-printing HTML code
+
+ * Text processing for stricter XML standard-compliance: e.g., to have lowercased
x in hexadecimal numeric entities becomes necessary if an HTML document with MathML content needs to be served as
application/xml
+
+ * Scraping text from web-pages
+
+ * Transforming an HTML element to another
+
+
+
+1.2 Features
+ (to top)
+
+ Key:
* security feature,
^ standard compliance,
~ requires setting right options
+
+ htmLawed:
+
+ * makes input more
secure and
standard-compliant for HTML as well as generic
XML documents ^
+ * supports markup for
HTML 5 and
microdata, ARIA, Ruby, custom attributes , etc. ^
+ * can
beautify or
compact HTML ~
+ * works with input of almost any
character encoding and does not affect it
+ * has good
tolerance for ill-written HTML
+
+ * can enforce
restricted use of elements *~
+ * ensures proper closure of empty elements like
img ^
+ *
transforms deprecated elements like
font ^~
+ * can permit HTML
comments and
CDATA sections ^~
+ * can permit all elements, including
script ,
object and
form ~
+
+ * can
restrict attributes by element ^~
+ * removes
invalid attributes ^
+ * lower-cases element and attribute names ^
+ * provides
required attributes , like
alt for
image ^
+ *
transforms deprecated attributes ^~
+ * ensures attributes are
declared only once ^
+ * permits
custom , non-standard attributes as well as custom rules for standard attributes ~
+
+ * declares value for
empty (
minimized or
boolean ) attributes like
checked ^
+ * checks for potentially dangerous attribute values *~
+ * ensures
unique id attribute values ^~
+ *
double-quotes attribute values ^
+ * lower-cases
standard attribute values like
password ^
+
+ * can restrict
URL protocol/scheme by attribute *~
+ * can disable
dynamic expressions in
style values *~
+
+ * neutralizes invalid named
character entities ^
+ * converts hexadecimal numeric entities to decimal ones, or vice versa ^~
+ * converts named entities to numeric ones for generic XML use ^~
+
+ * removes
null characters *
+ * neutralizes potentially dangerous proprietary Netscape
Javascript entities *
+ * replaces potentially dangerous
soft-hyphen character in URL-accepting attribute values with spaces *
+
+ * removes common
invalid characters not allowed in HTML or XML ^
+ * replaces
characters from Microsoft applications like
Word that are discouraged in HTML or XML ^~
+ * neutralize entities for characters invalid or discouraged in HTML or XML ^
+ * appropriately neutralize
< ,
& ,
" , and
> characters ^*
+
+ * understands improperly spaced tag content (e.g., spread over more than a line) and properly spaces them
+ * attempts to
balance tags for well-formedness ^~
+ * understands when
omitable closing tags like
</p> are missing ^~
+ * attempts to permit only
validly nested tags ^~
+ * can
either remove or neutralize bad content ^~
+ * attempts to
rectify common errors of plain-text misplacement (e.g., directly inside
blockquote ) ^~
+
+ * has optional
anti-spam measures such as addition of
rel="nofollow" and link-disabling ~
+ * optionally makes
relative URLs absolute , and vice versa ~
+
+ * optionally marks
& to identify the entities for
& ,
< and
> introduced by it ~
+
+ * allows deployment of powerful
hook functions to
inject HTML,
consolidate style attributes to
class , finely check attribute values, etc. ~
+
+
+
+1.3 History
+ (to top)
+
+ htmLawed was created in 2007 for use with
LabWiki , a wiki software developed at PHP Labware, as a suitable software could not be found. Existing PHP software like
Kses and
HTMLPurifier were deemed inadequate, slow, resource-intensive, or dependent on an extension or external application like
HTML Tidy . The core logic of htmLawed, that of identifying HTML elements and attributes, was based on the
Kses (version 0.2.2) HTML filter software of Ulf Harnhammar (it can still be used with code that uses
Kses ; see
section 2.6 .). Support for HTML version 5 was added in May 2013 in a beta and in February 2017 in a production release.
+
+ See
section 4.3 for a detailed log of changes in htmLawed over the years, and
section 4.10 for acknowledgements.
+
+
+
+1.4 License & copyright
+ (to top)
+
+ htmLawed is free and open-source software, copyrighted by Santosh Patnaik, MD, PhD, and dual-licensed with LGPL version
3 , and GPL version
2 (or later) licenses.
+
+
+
+1.5 Terms used here
+ (to top)
+
+ In this document, only HTML body-level elements are considered. htmLawed does not have support for head-level elements,
body , and the frame-level elements,
frameset ,
frame and
noframes , and these elements are ignored here.
+
+ *
administrator - or admin; person setting up the code that utilizes htmLawed; also,
user
+ *
attributes - name-value pairs like
href="http://x.com" in opening tags
+ *
author - see
writer
+ *
character - atomic unit of text; internally represented by a numeric
code-point as specified by the
encoding or
charset in use
+ *
entity - markup like
> and
  used to refer to a character
+ *
element - HTML element like
a and
img
+ *
element content - content between the opening and closing tags of an element, like
click of the
<a href="x">click</a> element
+ *
HTML - implies XHTML unless specified otherwise
+ *
HTML body - content in the
body container of an HTML document
+ *
input - text given to htmLawed to process
+ *
legal – standard-compliant; also,
valid
+ *
processing - involves filtering, correction, etc., of input
+ *
safe - absence or reduction of certain characters and HTML elements and attributes in HTML of text that can otherwise potentially, and circumstantially, expose text readers to security vulnerabilities like cross-site scripting attacks (XSS)
+ *
scheme - a URL protocol like
http and
ftp
+ *
specification - detailed description including rules that define HTML
+ *
standard – widely accepted specification
+ *
style property - terms like
border and
height for which declarations are made in values for the
style attribute of elements
+ *
tag - markers like
<a href="x"> and
</a> delineating element content; the opening tag can contain attributes
+ *
tag content - consists of tag markers
< and
> , element names like
div , and possibly attributes
+ *
user - administrator
+ *
valid - see
legal
+ *
writer - end-user like a blog commenter providing the input that is to be processed; also,
author
+ *
XHTML - XML-compliant HTML; parsing rules for XHTML are more strict than for regular HTML
+
+
+
+1.6 Availability
+ (to top)
+
+ htmLawed can be downloaded for free at its
website . Besides the
htmLawed.php file, the download has the htmLawed documentation (this document) in plain
text and
HTML formats, a script for
testing , and a text file for
test-cases . htmLawed is also available as a PHP class (OOP code) at its website.
+
+
+
+
+2 Usage
+ (to top)
+
+ htmLawed works in PHP version 4.4 or higher. Either
include() the
htmLawed.php file, or copy-paste the entire code.
+
+ To use with PHP 4.3, have the following code included:
+
+
+
if(!function_exists('ctype_digit')){
+
+
+
function ctype_digit($var){
+
+
+
return ((int) $var == $var);
+
+
+
}
+
+
+
}
+
+
+
+2.1 Simple
+ (to top)
+
+ The input text to be processed,
$text , is passed as an argument of type string;
htmLawed() returns the processed string:
+
+
+
$processed = htmLawed($text);
+
+
+ With the
htmLawed class (
section 1.6 ), usage is:
+
+
+
$processed = htmLawed::hl($text);
+
+
+
Notes : (1) If input is from a
$_GET or
$_POST value, and
magic quotes are enabled on the PHP setup, run
stripslashes() on the input before passing to htmLawed. (2) htmLawed does not have support for head-level elements,
body , and the frame-level elements,
frameset ,
frame and
noframes .
+
+ By default, htmLawed will process the text allowing all valid HTML elements/tags and commonly used URL schemes and CSS style properties. It will allow Javascript code,
CDATA sections and HTML comments, balance tags, and ensure proper nesting of elements. Such actions can be configured using two other optional arguments --
$config and
$spec :
+
+
+
$processed = htmLawed($text, $config, $spec);
+
+
+ The
$config and
$spec arguments are detailed below. Some examples are shown in
section 2.9 . For maximum protection against
XSS and other security vulnerabilities, consider using the
safe parameter; see
section 3.6 .
+
+
+
+2.2 Configuring htmLawed using the $config argument
+ (to top)
+
+
$config instructs htmLawed on how to tackle certain tasks. When
$config is not specified, or not set as an array (e.g.,
$config = 1 ), htmLawed will take default actions. One or many of the task-action or parameter-value pairs can be specified in
$config as array key-value pairs. If a parameter is not specified, htmLawed will use the default value for it, indicated further below. In PHP code, parameter values that are integers should not be quoted and should be used as numeric types (unless meant as string/text). Thus, for instance:
+
+
+
$config = array('comment'=>0, 'cdata'=>1, 'elements'=>'a, b, strong');
+
+
+
$processed = htmLawed($text, $config);
+
+
+ Below are the various parameters that can be specified in
$config .
+
+ Key:
* default,
^ different from htmLawed versions below 1.2,
~ different default when
valid_xhtml is set to
1 (see
section 3.5 ),
" different default when
safe is set to
1 (see
section 3.6 )
+
+
abs_url
+ Make URLs absolute or relative;
$config["base_url"] needs to be set; see
section 3.4.4
+
+
-1 - make relative
+
0 - no action *
+
1 - make absolute
+
+
and_mark
+ Mark
& characters in the original input; see
section 3.2
+
+
anti_link_spam
+ Anti-link-spam measure; see
section 3.4.7
+
+
0 - no measure taken *
+
array("regex1", "regex2") - will ensure a
rel attribute with
nofollow in its value in case the
href attribute value matches the regular expression pattern
regex1 , and/or will remove
href if its value matches the regular expression pattern
regex2 . E.g.,
array("/./", "/://\W*(?!(abc\.com|xyz\.org))/") ; see
section 3.4.7 for more.
+
+
anti_mail_spam
+ Anti-mail-spam measure; see
section 3.4.7
+
+
0 - no measure taken *
+
word -
@ in mail address in
href attribute value is replaced with specified
word
+
+
balance
+ Balance tags for well-formedness and proper nesting; see
section 3.3.3
+
+
0 - no
+
1 - yes *
+
+
base_url
+ Base URL value that needs to be set if
$config["abs_url"] is not
0 ; see
section 3.4.4
+
+
cdata
+ Handling of
CDATA sections; see
section 3.3.1
+
+
0 - don't consider
CDATA sections as markup and proceed as if plain text "
+
1 - remove
+
2 - allow, but neutralize any
< ,
> , and
& inside by converting them to named entities
+
3 - allow *
+
+
clean_ms_char
+ Replace
discouraged characters introduced by Microsoft Word, etc.; see
section 3.1
+
+
0 - no *
+
1 - yes
+
2 - yes, but replace special single & double quotes with ordinary ones
+
+
comment
+ Handling of HTML comments; see
section 3.3.1
+
+
0 - don't consider comments as markup and proceed as if plain text "
+
1 - remove
+
2 - allow, but neutralize any
< ,
> , and
& inside by converting to named entities
+
3 - allow *
+
+
css_expression
+ Allow dynamic CSS expression by not removing the expression from CSS property values in
style attributes; see
section 3.4.8
+
+
0 - remove *
+
1 - allow
+
+
deny_attribute
+ Denied HTML attributes; see
section 3.4
+
+
0 - none *
+
string - dictated by values in
string
+
on* - on* event attributes like
onfocus not allowed "
+
+
direct_nest_list
+ Allow direct nesting of a list within another without requiring it to be a list item; see
section 3.3.4
+
+
0 - no *
+
1 - yes
+
+
elements
+ Allowed HTML elements; see
section 3.3
+
+
all - *^
+
* -acronym -big -center -dir -font -isindex -s -strike -tt - ~^
+
applet, audio, canvas, embed, iframe, object, script, and video elements not allowed - "^
+
+
hexdec_entity
+ Allow hexadecimal numeric entities and do not convert to the more widely accepted decimal ones, or convert decimal to hexadecimal ones; see
section 3.2
+
+
0 - no
+
1 - yes *
+
2 - convert decimal to hexadecimal ones
+
+
hook
+ Name of an optional hook function to alter the input string,
$config or
$spec before htmLawed enters the main phase of its work; see
section 3.7
+
+
0 - no hook function *
+
name -
name is name of the hook function
+
+
hook_tag
+ Name of an optional hook function to alter tag content finalized by htmLawed; see
section 3.4.9
+
+
0 - no hook function *
+
name -
name is name of the hook function
+
+
keep_bad
+ Neutralize
bad tags by converting their
< and
> characters to entities, or remove them; see
section 3.3.3
+
+
0 - remove
+
1 - neutralize both tags and element content
+
2 - remove tags but neutralize element content
+
3 and
4 - like
1 and
2 but remove if text (
pcdata ) is invalid in parent element
+
5 and
6 * - like
3 and
4 but line-breaks, tabs and spaces are left
+
+
lc_std_val
+ For XHTML compliance, predefined, standard attribute values, like
get for the
method attribute of
form , must be lowercased; see
section 3.4.5
+
+
0 - no
+
1 - yes *
+
+
make_tag_strict
+ Transform or remove these deprecated HTML elements, even if they are allowed by the admin: acronym, applet, big, center, dir, font, isindex, s, strike, tt; see
section 3.3.2
+
+
0 - no
+
1 - yes, but leave
applet and
isindex that currently cannot be transformed *^
+
2 - yes, removing
applet and
isindex elements and their contents (nested elements remain) ~^
+
+
named_entity
+ Allow non-universal named HTML entities, or convert to numeric ones; see
section 3.2
+
+
0 - convert
+
1 - allow *
+
+
no_deprecated_attr
+ Allow deprecated attributes or transform them; see
section 3.4.6
+
+
0 - allow
+
1 - transform, but
name attributes for
a and
map are retained *
+
2 - transform
+
+
parent
+ Name of the parent element, possibly imagined, that will hold the input; see
section 3.3
+
+
safe
+ Magic parameter to make input the most secure against vulnerabilities like XSS without needing to specify other relevant
$config parameters; see
section 3.6
+
+
0 - no *
+
1 - will auto-adjust other relevant
$config parameters (indicated by
" in this list) ^
+
+
schemes
+ Array of attribute-specific, comma-separated, lower-cased list of schemes (protocols) allowed in attributes accepting URLs (or
! to
deny any URL);
* covers all unspecified attributes; see
section 3.4.3
+
+
href: aim, app, feed, file, ftp, gopher, http, https, javascript, irc, mailto, news, nntp, sftp, ssh, tel, telnet; *:data, file, http, https, javascript *^
+
href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet; style: !; *:file, http, https "
+
+
show_setting
+ Name of a PHP variable to assign the
finalized $config and
$spec values; see
section 3.8
+
+
style_pass
+ Ignore
style attribute values, letting them through without any alteration
+
+
0 - no *
+
1 - htmLawed will let through any
style value; see
section 3.4.8
+
+
tidy
+ Beautify or compact HTML code; see
section 3.3.5
+
+
-1 - compact
+
0 - no *
+
1 or
string - beautify (custom format specified by
string )
+
+
unique_ids
+
id attribute value checks; see
section 3.4.2
+
+
0 - no
+
1 - remove duplicate and/or invalid ones *
+
word - remove invalid ones and replace duplicate ones with new and unique ones based on the
word ; the admin-specified
word cannot contain a space character
+
+
valid_xhtml
+ Magic parameter to make input the most valid XHTML without needing to specify other relevant
$config parameters; see
section 3.5
+
+
0 - no *
+
1 - will auto-adjust other relevant
$config parameters (indicated by
~ in this list)
+
+
xml:lang
+ Auto-add
xml:lang attribute; see
section 3.4.1
+
+
0 - no *
+
1 - add if
lang attribute is present
+
2 - add if
lang attribute is present, and remove
lang ~
+
+
+
+2.3 Extra HTML specifications using the $spec parameter
+ (to top)
+
+ The
$spec argument of htmLawed can be used to disallow an otherwise legal attribute for an element, or to restrict the attribute's values. This can also be helpful as a security measure (e.g., in certain versions of browsers, certain values can cause buffer overflows and denial of service attacks), or in enforcing admin policies.
$spec is specified as a string of text containing one or more
rules , with multiple rules separated from each other by a semi-colon (
; ). E.g.,
+
+
+
$spec = 'i=-*; td, tr=style, id, -*; a=id(match="/[a-z][a-z\d.:\-`"]*/i"/minval=2), href(maxlen=100/minlen=34); img=-width,-alt';
+
+
+
$processed = htmLawed($text, $config, $spec);
+
+
+ Or,
+
+
+
$processed = htmLawed($text, $config, 'i=-*; td, tr=style, id, -*; a=id(match="/[a-z][a-z\d.:\-`"]*/i"/minval=2), href(maxlen=100/minlen=34); img=-width,-alt');
+
+
+ A rule begins with an HTML
element name(s) (
rule-element ), for which the rule applies, followed by an equal-to (=) sign. A rule-element may represent multiple elements if comma (,)-separated element names are used. E.g.,
th,td,tr= .
+
+ Rest of the rule consists of comma-separated HTML
attribute names . A minus (-) character before an attribute means that the attribute is not permitted inside the rule-element. E.g.,
-width . To deny all attributes,
-* can be used.
+
+ Following shows examples of rule excerpts with rule-element
a and the attributes that are being permitted:
+
+ *
a= - all
+ *
a=id - all
+ *
a=href, title, -id, -onclick - all except
id and
onclick
+ *
a=*, id, -id - all except
id
+ *
a=-* - none
+ *
a=-*, href, title - none except
href and
title
+ *
a=-*, -id, href, title - none except
href and
title
+
+ Rules regarding
attribute values are optionally specified inside round brackets after attribute names in solidus (/)-separated
parameter = value pairs. E.g.,
title(maxlen=30/minlen=5) . None or one or more of the following parameters may be specified:
+
+ *
oneof - one or more choices separated by
| that the value should match; if only one choice is provided, then the value must match that choice; matching is case-sensitive
+
+ *
noneof - one or more choices separated by
| that the value should not match; matching is case-sensitive
+
+ *
maxlen and
minlen - upper and lower limits for the number of characters in the attribute value; specified in numbers
+
+ *
maxval and
minval - upper and lower limits for the numerical value specified in the attribute value; specified in numbers
+
+ *
match and
nomatch - pattern that the attribute value should or should not match; specified as PHP/PCRE-compatible regular expressions with delimiters and possibly modifiers (e.g., to specify case-sensitivity for matching)
+
+ *
default - a value to force on the attribute if the value provided by the writer does not fit any of the specified parameters
+
+ If
default is not set and the attribute value does not satisfy any of the specified parameters, then the attribute is removed. The
default value can also be used to force all attribute declarations to take the same value (by getting the values declared illegal by setting, e.g.,
maxlen to
-1 ).
+
+ Examples with
input <input title="WIDTH" value="10em" /><input title="length" value="5" class="ic1 ic2" /> are shown below.
+
+
Rule :
input=title(maxlen=60/minlen=6), value
+
Output :
<input value="10em" /><input title="length" value="5" class="ic1 ic2" />
+
+
Rule :
input=title(), value(maxval=8/default=6)
+
Output :
<input title="WIDTH" value="6" /><input title="length" value="5" class="ic1 ic2" />
+
+
Rule :
input=title(nomatch=%w.d%i), value(match=%em%/default=6em)
+
Output :
<input value="10em" /><input title="length" value="6em" class="ic1 ic2" />
+
+
Rule :
input=class(noneof=ic2|ic3/oneof=ic1|ic4), title(oneof=height|depth/default=depth), value(noneof=5|6)
+
Output :
<input title="depth" value="10em" /><input title="depth" class="ic1" />
+
+
Special characters : The characters
; ,
, ,
/ ,
( ,
) ,
| ,
~ and space have special meanings in the rules. Words in the rules that use such characters, or the characters themselves, should be
escaped by enclosing in pairs of double-quotes (
" ). A back-tick (
` ) can be used to escape a literal
" . An example rule illustrating this is
input=value(maxlen=30/match="/^\w/"/default="your `"ID`"") .
+
+
Attributes that accept multiple values : If an attribute is
accesskey ,
class ,
itemtype or
rel , which can have multiple, space-separated values, or
srcset , which can have multiple, comma-separated values, htmLawed will parse the attribute value for such multiple values and will individually test each of them.
+
+
Note : To deny an attribute for all elements for which it is legal,
$config["deny_attribute"] (see
section 3.4 ) can be used instead of
$spec . Also, attributes can be allowed element-specifically through
$spec while being denied globally through
$config["deny_attribute"] . The
hook_tag parameter (
section 3.4.9 ) can also be possibly used to implement a functionality like that achieved using
$spec functionality.
+
+
Note : Attributes' specifications for an element may be set through multiple rules. In case of conflict, the attribute specification in the first rule will get precedence.
+
+
$spec can also be used to permit custom, non-standard attributes as well as custom rules for standard attributes. Thus, the following value of
$spec will permit the custom uses of the standard
rel attribute in
input (not permitted as per standards) and of a non-standard attribute,
vFlag , in
img .
+
+
+
$spec = 'img=vFlag; input=rel'
+
+
+ The attribute names must begin with an alphabet and cannot have space, equal-to (=) and solidus (/) characters.
+
+
+
+2.4 Performance time & memory usage
+ (to top)
+
+ The time and memory consumed during text processing by htmLawed depends on its configuration, the size of the input, and the amount, nestedness and well-formedness of the HTML markup within the input. In particular, tag balancing and beautification each can increase the processing time by about a quarter.
+
+ The htmLawed
demo can be used to evaluate the performance and effects of different types of input and
$config .
+
+
+
+2.5 Some security risks to keep in mind
+ (to top)
+
+ When setting the parameters/arguments (like those to allow certain HTML elements) for use with htmLawed, one should bear in mind that the setting may let through potentially
dangerous HTML code which is meant to steal user-data, deface a website, render a page non-functional, etc. Unless end-users, either people or software, supplying the content are completely trusted, security issues arising from the degree of HTML usage permitted through htmLawed's setting should be considered. For example, following increase security risks:
+
+ * Allowing
script ,
applet ,
embed ,
iframe ,
canvas ,
audio ,
video or
object elements, or certain of their attributes like
allowscriptaccess
+
+ * Allowing HTML comments (some Internet Explorer versions are vulnerable with, e.g.,
<!--[if gte IE 4]><script>alert("xss");</script><![endif]-->
+
+ * Allowing dynamic CSS expressions (some Internet Explorer versions are vulnerable)
+
+ * Allowing the
style attribute
+
+ To remove
unsecure HTML, code-developers using htmLawed must set
$config appropriately. E.g.,
$config["elements"] = "* -script" to deny the
script element (
section 3.3 ),
$config["safe"] = 1 to auto-configure ceratin htmLawed parameters for maximizing security (
section 3.6 ), etc.
+
+ Permitting the
*style* attribute brings in risks of
click-jacking ,
phishing , web-page overlays, etc.,
even when the
safe parameter is enabled (see
section 3.6 ). Except for URLs and a few other things like CSS dynamic expressions, htmLawed currently does not check every CSS style property. It does provide ways for the code-developer implementing htmLawed to do such checks through htmLawed's
$spec argument, and through the
hook_tag parameter (see
section 3.4.8 for more). Disallowing
style completely and relying on CSS classes and stylesheet files is recommended.
+
+ htmLawed does not check or correct the character
encoding of the input it receives. In conjunction with permissive circumstances, such as when the character encoding is left undefined through HTTP headers or HTML
meta tags, this can allow for an exploit (like Google's
UTF-7/XSS vulnerability of the past).
+
+ Ocassionally, though very rarely, the default settings with which htmLawed runs may change between different versions of htmLawed. Admins should keep this in mind when upgrading htmLawed. Important changes in htmLawed's default behavior in new releases of the software are noted in
section 4.5 on upgrades.
+
+
+
+2.6 Use with kses() code
+ (to top)
+
+ The
Kses PHP script for HTML filtering is used by many applications (like
WordPress , as in year 2012). It is possible to have such applications use htmLawed instead, since it is compatible with code that calls the
kses() function declared in the
Kses file (usually named
kses.php ). E.g., application code like this will continue to work after replacing
Kses with htmLawed:
+
+
+
$comment_filtered = kses($comment_input, array('a'=>array(), 'b'=>array(), 'i'=>array()));
+
+
+ If the application uses a
Kses file that has the
kses() function declared, then, to have the application use htmLawed instead of
Kses , rename
htmLawed.php (to
kses.php , e.g.) and replace the
Kses file (or just replace the code in the
Kses file with the htmLawed code). If the
kses() function in the
Kses file had been renamed by the application developer (e.g., in
WordPress , it is named
wp_kses() ), then appropriately rename the
kses() function in the htmLawed code. Then, add the following code (which was a part of htmLawed prior to version 1.2):
+
+
+
// kses compatibility
+
+
+
function kses($t, $h, $p=array('http', 'https', 'ftp', 'news', 'nntp', 'telnet', 'gopher', 'mailto')){
+
+
+
foreach($h as $k=>$v){
+
+
+
$h[$k]['n']['*'] = 1;
+
+
+
}
+
+
+
$C['cdata'] = $C['comment'] = $C['make_tag_strict'] = $C['no_deprecated_attr'] = $C['unique_ids'] = 0;
+
+
+
$C['keep_bad'] = 1;
+
+
+
$C['elements'] = count($h) ? strtolower(implode(',', array_keys($h))) : '-*';
+
+
+
$C['hook'] = 'kses_hook';
+
+
+
$C['schemes'] = '*:'. implode(',', $p);
+
+
+
return htmLawed($t, $C, $h);
+
+
+
}
+
+
+
+
function kses_hook($t, &$C, &$S){
+
+
+
return $t;
+
+
+
}
+
+
+ If the
Kses file used by the application has been significantly altered by the application developers, then one may need a different approach. E.g., with
WordPress (as in the year 2012), it is best to copy the htmLawed code, along with the above-mentioned additions, to
wp_includes/kses.php , rename the newly added function
kses() to
wp_kses() , and delete the code for the original
wp_kses() function.
+
+ If the
Kses code has a non-empty hook function (e.g.,
wp_kses_hook() in case of
WordPress ), then the code for htmLawed's
kses_hook() function should be appropriately edited. However, the requirement of the hook function should be re-evaluated considering that htmLawed has extra capabilities. With
WordPress , the hook function is an essential one. The following code is suggested for the htmLawed
kses_hook() in case of
WordPress :
+
+
+
// kses compatibility
+
+
+
function kses_hook($string, &$cf, &$spec){
+
+
+
$allowed_html = $spec;
+
+
+
$allowed_protocols = array();
+
+
+
foreach($cf['schemes'] as $v){
+
+
+
foreach($v as $k2=>$v2){
+
+
+
if(!in_array($k2, $allowed_protocols)){
+
+
+
$allowed_protocols[] = $k2;
+
+
+
}
+
+
+
}
+
+
+
}
+
+
+
return wp_kses_hook($string, $allowed_html, $allowed_protocols);
+
+
+
}
+
+
+
+
+2.7 Tolerance for ill-written HTML
+ (to top)
+
+ htmLawed can work with ill-written HTML code in the input. However, HTML that is too ill-written may not be
read as HTML, and may therefore get identified as mere plain text. Following statements indicate the degree of
looseness that htmLawed can work with, and can be provided in instructions to writers:
+
+ * Tags must be flanked by
< and
> with no
> inside -- any needed
> should be put in as
> . It is possible for tag content (element name and attributes) to be spread over many lines instead of being on one. A space may be present between the tag content and
> , like
<div > and
<img / > , but not after the
< .
+
+ * Element and attribute names need not be lower-cased.
+
+ * Attribute string of elements may be liberally spaced with tabs, line-breaks, etc.
+
+ * Attribute values may be single- and not double-quoted.
+
+ * Left-padding of numeric entities (like,
  ,
&x07ff; ) with
0 is okay as long as the number of characters between between the
& and the
; does not exceed 8. All entities must end with
; though.
+
+ * Named character entities must be properly cased. Thus,
≪ or
&TILDE; will not be recognized as entities and will be
neutralized .
+
+ * HTML comments should not be inside element tags (they can be between tags), and should begin with
<!-- and end with
--> . Characters like
< ,
> , and
& may be allowed inside depending on
$config , but any
--> inside should be put in as
--> . Any
-- inside will be automatically converted to
- , and a space will be added before the
--> comment-closing marker unless
$config["comments"] is set to
4 (
section 3.3.1 ).
+
+ *
CDATA sections should not be inside element tags, and can be in element content only if plain text is allowed for that element. They should begin with
<[CDATA[ and end with
]]> . Characters like
< ,
> , and
& may be allowed inside depending on
$config , but any
]]> inside should be put in as
]]> .
+
+ * For attribute values, character entities
< ,
> and
& should be used instead of characters
< and
> , and
& (when
& is not part of a character entity). This applies even for Javascript code in values of attributes like
onclick .
+
+ * Characters
< ,
> ,
& and
" that are part of actual Javascript, etc., code in
script elements should be used as such and not be put in as entities like
> . Otherwise, though the HTML will be valid, the code may fail to work. Further, if such characters have to be used, then they should be put inside
CDATA sections.
+
+ * Simple instructions like "an opening tag cannot be present between two closing tags" and "nested elements should be closed in the reverse order of how they were opened" can help authors write balanced HTML. If tags are imbalanced, htmLawed will try to balance them, but in the process, depending on
$config["keep_bad"] , some code/text may be lost.
+
+ * Input authors should be notified of admin-specified allowed elements, attributes, configuration values (like conversion of named entities to numeric ones), etc.
+
+ * With
$config["unique_ids"] not
0 and the
id attribute being permitted, writers should carefully avoid using duplicate or invalid
id values as even though htmLawed will correct/remove the values, the final output may not be the one desired. E.g., when
<a id="home"></a><input id="home" /><label for="home"></label> is processed into
+
<a id="home"></a><input id="prefix_home" /><label for="home"></label> .
+
+ * Even if intended HTML is lost from an ill-written input, the processed output will be more secure and standard-compliant.
+
+ * For URLs, unless
$config["scheme"] is appropriately set, writers should avoid using escape characters or entities in schemes. E.g.,
http (which many browsers will read as the harmless
http ) may be considered bad by htmLawed.
+
+ * htmLawed will attempt to put plain text present directly inside
blockquote ,
form ,
map and
noscript elements (illegal as per the specifications) inside auto-generated
div elements during tag balancing (
section 3.3.3 ).
+
+
+
+2.8 Limitations & work-arounds
+ (to top)
+
+ htmLawed's main objective is to make the input text
more standard-compliant, secure for readers, and free of HTML elements and attributes considered undesirable by the administrator. Some of its current limitations, regardless of this objective, are noted below along with possible work-arounds.
+
+ It should be borne in mind that no browser application is 100% standard-compliant, standard specifications continue to evolve, and many browsers accept commonly used non-standard HTML. Regarding security, note that
unsafe HTML code is not legally invalid per se.
+
+ * By default, htmLawed will not strictly adhere to the
current HTML standard. Admins can configure htmLawed to be more strict about standard compliance. Standard specification for HTML is continuously evolving. There are two bodies (
W3C and
WHATWG ) that specify the standard and their specifications are not identical. E.g., as in mid-2013, the
border attribute is valid in
table as per W3C but not WHATWG. Thus, htmLawed may not be fully compliant with the standard of a specific group. The HTML standards/rules that htmLawed uses in its logic are a mix of the W3C and WHATWG standards, and can be lax because of the laxity of HTML interpreters (browsers) regarding standards.
+
+ * In general, htmLawed processes input to generate output that is most likely to be standard-compatible in most users' browsers. Thus, for example, it does not enforce the required value of
0 on
border attribute of
img (an HTML version 5 specification).
+
+ * htmLawed is meant for input that goes into the
body of HTML documents. HTML's head-level elements are not supported, nor are the frame-specific elements
frameset ,
frame and
noframes . However, content of the latter elements can be individually filtered through htmLawed.
+
+ * It cannot handle input that has non-HTML code like
SVG and
MathML . One way around is to break the input into pieces and passing only those without non-HTML code to htmLawed. Another is described in
section 3.9 . A third way may be to some how take advantage of the
$config["and_mark"] parameter (see
section 3.2 ).
+
+ * By default, htmLawed won't check many attribute values for standard compliance. E.g.,
width="20m" with the dimension in non-standard
m is let through. Implementing universal and strict attribute value checks can make htmLawed slow and resource-intensive. Admins should look at the
hook_tag parameter (
section 3.4.9 ) or
$spec to enforce finer checks on attribute values.
+
+ * By default, htmLawed considers all ARIA, data-*, event and microdata attributes as global attributes and permits them in all elements. This is not strictly standard-compliant. E.g., the
itemtype microdata attribute is permitted only in elements that also have the
itemscope attribute. Admins can configure htmLawed to be more strict about this (
section 2.3 ).
+
+ * The attributes, deprecated (which can be transformed too) or not, that it supports are largely those that are in the specifications. Only a few of the proprietary attributes are supported. However,
$spec can be used to allow custom attributes (
section 2.3 ).
+
+ * Except for contained URLs and dynamic expressions (also optional), htmLawed does not check CSS style property values. Admins should look at using the
hook_tag parameter (
section 3.4.9 ) or
$spec for finer checks. Perhaps the best option is to disallow
style but allow
class attributes with the right
oneof or
match values for
class , and have the various class style properties in
.css CSS stylesheet files.
+
+ * htmLawed does not parse emoticons, decode
BBcode , or
wikify , auto-converting text to proper HTML. Similarly, it won't convert line-breaks to
br elements. Such functions are beyond its purview. Admins should use other code to pre- or post-process the input for such purposes.
+
+ * htmLawed cannot be used to have links force-opened in new windows (by auto-adding appropriate
target and
onclick attributes to
a ). Admins should look at Javascript-based DOM-modifying solutions for this. Admins may also be able to use a custom hook function to enforce such checks (
hook_tag parameter; see
section 3.4.9 ).
+
+ * Nesting-based checks are not possible. E.g., one cannot disallow
p elements specifically inside
td while permitting it elsewhere. Admins may be able to use a custom hook function to enforce such checks (
hook_tag parameter; see
section 3.4.9 ).
+
+ * Except for optionally converting absolute or relative URLs to the other type, htmLawed will not alter URLs (e.g., to change the value of query strings or to convert
http to
https . Having absolute URLs may be a standard-requirement, e.g., when HTML is embedded in email messages, whereas altering URLs for other purposes is beyond htmLawed's goals. Admins may be able to use a custom hook function to enforce such checks (
hook_tag parameter; see
section 3.4.9 ).
+
+ * Pairs of opening and closing tags that do not enclose any content (like
<em></em> ) are not removed. This may be against the standard specification for certain elements (e.g.,
table ). However, presence of such standard-incompliant code will not break the display or layout of content. Admins can also use simple regex-based code to filter out such code.
+
+ * htmLawed does not check for certain element orderings described in the standard specifications (e.g., in a
table ,
tbody is allowed before
tfoot ). Admins may be able to use a custom hook function to enforce such checks (
hook_tag parameter; see
section 3.4.9 ).
+
+ * htmLawed does not check the number of nested elements. E.g., it will allow two
caption elements in a
table element, illegal as per standard specifications. Admins may be able to use a custom hook function to enforce such checks (
hook_tag parameter; see
section 3.4.9 ).
+
+ * There are multiple ways to interpret ill-written HTML. E.g., in
<small><small>text</small> , is it that the second closing tag for
small is missing or is it that the second opening tag for
small was put in by mistake? htmLawed corrects the HTML in the string assuming the former, while the user may have intended the string for the latter. This is an issue that is impossible to address perfectly.
+
+ * htmLawed might convert certain entities to actual characters and remove backslashes and CSS comment-markers (
/* ) in
style attribute values in order to detect malicious HTML like crafted, Internet Explorer browser-specific dynamic expressions like
expression... . If this is too harsh, admins can allow CSS expressions through htmLawed core but then use a custom function through the
hook_tag parameter (
section 3.4.9 ) to more specifically identify CSS expressions in the
style attribute values. Also, using
$config["style_pass"] , it is possible to have htmLawed pass
style attribute values without even looking at them (
section 3.4.8 ).
+
+ * htmLawed does not correct certain possible attribute-based security vulnerabilities (e.g.,
<a href="http://x%22+style=%22background-image:xss">x</a> ). These arise when browsers mis-identify markup in
escaped text, defeating the very purpose of escaping text (a bad browser will read the given example as
<a href="http://x" style="background-image:xss">x</a> ).
+
+ * Because of poor Unicode support in PHP, htmLawed does not remove the
high value HTML-invalid characters with multi-byte code-points. Such characters however are extremely unlikely to be in the input. (see
section 3.1 ).
+
+ * htmLawed does not check or correct the character encoding of the input it receives. In conjunction with permitting circumstances such as when the character encoding is left undefined through HTTP headers or HTML
meta tags, this can permit an exploit (like Google's
UTF-7/XSS vulnerability of the past). Also, htmLawed can mangle input text if it is not well-formed in terms of character encoding. Administrators can consider using code available elsewhere to check well-formedness of input text characters to correct any defect.
+
+ * htmLawed is expected to work with input texts in ASCII standard-compatible single-byte encodings such as national variants of ASCII (like ISO-646-DE/German of the ISO 646 standard), extended ASCII variants (like ISO 8859-10/Turkish of the ISO 8859/ISO Latin standard), ISO 8859-based Windows variants (like Windows 1252), EBCDIC, Shift JIS (Japanese), GB-Roman (Chinese), and KS-Roman (Korean). It should also properly handle texts with variable-byte encodings like UTF-7 (Unicode) and UTF-8 (Unicode). However, htmLawed may mangle input texts with double-byte encodings like UTF-16 (Unicode), JIS X 0208:1997 (Japanese) and K SX 1001:1992 (Korean), or the UTF-32 (Unicode) quadruple-byte encoding. If an input text has such an encoding, administrators can use PHP's
iconv functions, or some other mean, to convert text to UTF-8 before passing it to htmLawed.
+
+ * Like any script using PHP's PCRE regex functions, PHP setup-specific low PCRE limit values can cause htmLawed to at least partially fail with very long input texts.
+
+
+
+2.9 Examples of usage
+ (to top)
+
+ Safest, allowing only
safe HTML markup --
+
+
+
$config = array('safe'=>1);
+
+
+
$out = htmLawed($in, $config);
+
+
+ Simplest, allowing all valid HTML markup including Javascript --
+
+
+
$out = htmLawed($in);
+
+
+ Allowing all valid HTML markup but restricting URL schemes in
src attribute values to
http and
https --
+
+
+
$config = array('schemes'=>'*:*; src:http, https');
+
+
+
$out = htmLawed($in, $config);
+
+
+ Allowing only
safe HTML and the elements
a ,
em , and
strong --
+
+
+
$config = array('safe'=>1, 'elements'=>'a, em, strong');
+
+
+
$out = htmLawed($in, $config);
+
+
+ Not allowing elements
script and
object --
+
+
+
$config = array('elements'=>'* -script -object');
+
+
+
$out = htmLawed($in, $config);
+
+
+ Not allowing attributes
id and
style --
+
+
+
$config = array('deny_attribute'=>'id, style');
+
+
+
$out = htmLawed($in, $config);
+
+
+ Permitting only attributes
title and
href --
+
+
+
$config = array('deny_attribute'=>'* -title -href');
+
+
+
$out = htmLawed($in, $config);
+
+
+ Remove bad/disallowed tags altogether instead of converting them to entities --
+
+
+
$config = array('keep_bad'=>0);
+
+
+
$out = htmLawed($in, $config);
+
+
+ Allowing attribute
title only in
a and not allowing attributes
id ,
style , or scriptable
on* attributes like
onclick --
+
+
+
$config = array('deny_attribute'=>'title, id, style, on*');
+
+
+
$spec = 'a=title';
+
+
+
$out = htmLawed($in, $config, $spec);
+
+
+ Allowing a custom attribute,
vFlag , in
img and permitting custom use of the standard attribute,
rel , in
input --
+
+
+
$spec = 'img=vFlag; input=rel';
+
+
+
$out = htmLawed($in, $config, $spec);
+
+
+ Some case-studies are presented below.
+
+
1. A blog administrator wants to allow only
a ,
em ,
strike ,
strong and
u in comments, but needs
strike and
u transformed to
span for better XHTML 1-strict compliance, and, he wants the
a links to point only to
http or
https resources:
+
+
+
$processed = htmLawed($in, array('elements'=>'a, em, strike, strong, u', 'make_tag_strict'=>1, 'safe'=>1, 'schemes'=>'*:http, https'), 'a=href');
+
+
+
2. An author uses a custom-made web application to load content on his website. He is the only one using that application and the content he generates has all types of HTML, including scripts. The web application uses htmLawed primarily as a tool to correct errors that creep in while writing HTML and to take care of the occasional
bad characters in copy-paste text introduced by Microsoft Office. The web application provides a preview before submitted input is added to the content. For the previewing process, htmLawed is set up as follows:
+
+
+
$processed = htmLawed($in, array('css_expression'=>1, 'keep_bad'=>1, 'make_tag_strict'=>1, 'schemes'=>'*:*', 'valid_xhtml'=>1));
+
+
+ For the final submission process,
keep_bad is set to
6 . A value of
1 for the preview process allows the author to note and correct any HTML mistake without losing any of the typed text.
+
+
3. A data-miner is scraping information in a specific table of similar web-pages and is collating the data rows, and uses htmLawed to reduce unnecessary markup and white-spaces:
+
+
+
$processed = htmLawed($in, array('elements'=>'tr, td', 'tidy'=>-1), 'tr, td =');
+
+
+
+
+
+3 Details
+ (to top)
+
+3.1 Invalid/dangerous characters
+ (to top)
+
+ Valid characters (more correctly, their code-points) in HTML or XML are, hexadecimally,
9 ,
a ,
d ,
20 to
d7ff , and
e000 to
10ffff , except
fffe and
ffff (decimally,
9 ,
10 ,
13 ,
32 to
55295 , and
57344 to
1114111 , except
65534 and
65535 ). htmLawed removes the invalid characters
0 to
8 ,
b ,
c , and
e to
1f .
+
+ Because of PHP's poor native support for multi-byte characters, htmLawed cannot check for the remaining invalid code-points. However, for various reasons, it is very unlikely for any of those characters to be in the input.
+
+ Characters that are discouraged (see
section 5.1 ) but not invalid are not removed by htmLawed.
+
+ It (function
hl_tag() ) also replaces the potentially dangerous (in some Mozilla [Firefox] and Opera browsers) soft-hyphen character (code-point, hexadecimally,
ad , or decimally,
173 ) in attribute values with spaces. Where required, the characters
< ,
> ,
& , and
" are converted to entities.
+
+ With
$config["clean_ms_char"] set as
1 or
2 , many of the discouraged characters (decimal code-points
127 to
159 except
133 ) that many Microsoft applications incorrectly use (as per the
Windows 1252 [
Cp-1252 ] or a similar encoding system), and the character for decimal code-point
133 , are converted to appropriate decimal numerical entities (or removed for a few cases)-- see appendix in
section 5.4 . This can help avoid some display issues arising from copying-pasting of content.
+
+ With
$config["clean_ms_char"] set as
2 , characters for the hexadecimal code-points
82 ,
91 , and
92 (for special single-quotes), and
84 ,
93 , and
94 (for special double-quotes) are converted to ordinary single and double quotes respectively and not to entities.
+
+ The character values are replaced with entities/characters and not character values referred to by the entities/characters to keep this task independent of the character-encoding of input text.
+
+ The
$config["clean_ms_char"] parameter should not be used if authors do not copy-paste Microsoft-created text, or if the input text is not believed to use the
Windows 1252 (
Cp-1252 ) or a similar encoding like
Cp-1251 (otherwise, for example when UTF-8 encoding is in use, Japanese or Korean characters can get mangled). Further, the input form and the web-pages displaying it or its content should have the character encoding appropriately marked-up.
+
+
+
+3.2 Character references/entities
+ (to top)
+
+ Valid character entities take the form
&*; where
* is
#x followed by a hexadecimal number (hexadecimal numeric entity; like
  for non-breaking space), or alphanumeric like
gt (external or named entity; like
for non-breaking space), or
# followed by a number (decimal numeric entity; like
  for non-breaking space). Character entities referring to the soft-hyphen character (the
­ or
\xad character; hexadecimal code-point
ad [decimal
173 ]) in URL-accepting attribute values are always replaced with spaces; soft-hyphens in attribute values introduce vulnerabilities in some older versions of the Opera and Mozilla [Firefox] browsers.
+
+ htmLawed (function
hl_ent() ):
+
+ * Neutralizes entities with multiple leading zeroes or missing semi-colons (potentially dangerous)
+
+ * Lowercases the
X (for XML-compliance) and
A-F of hexadecimal numeric entities
+
+ * Neutralizes entities referring to characters that are HTML-invalid (see
section 3.1 )
+
+ * Neutralizes entities referring to characters that are HTML-discouraged (code-points, hexadecimally,
7f to
84 ,
86 to
9f , and
fdd0 to
fddf , or decimally,
127 to
132 ,
134 to
159 , and
64991 to
64976 ). Entities referring to the remaining discouraged characters (see
section 5.1 for a full list) are let through.
+
+ * Neutralizes named entities that are not in the specifications
+
+ * Optionally converts valid HTML-specific named entities except
> ,
< ,
" , and
& to decimal numeric ones (hexadecimal if $config["hexdec_entity"] is
2 ) for generic XML-compliance. For this,
$config["named_entity"] should be
1 .
+
+ * Optionally converts hexadecimal numeric entities to the more widely supported decimal ones. For this,
$config["hexdec_entity"] should be
0 .
+
+ * Optionally converts decimal numeric entities to the hexadecimal ones. For this,
$config["hexdec_entity"] should be
2 .
+
+
Neutralization refers to the
entitification of
& to
& .
+
+
Note : htmLawed does not convert entities to the actual characters represented by them; one can pass the htmLawed output through PHP's
html_entity_decode function for that.
+
+
Note : If
$config["and_mark"] is set, and set to a value other than
0 , then the
& characters in the original input are replaced with the control character for the hexadecimal code-point
6 (
\x06 ;
& characters introduced by htmLawed, e.g., after converting
< to
< , are not affected). This allows one to distinguish, say, an
> introduced by htmLawed and an
> put in by the input writer, and can be helpful in further processing of the htmLawed-processed text (e.g., to identify the character sequence
o(><)o to generate an emoticon image). When this feature is active, admins should ensure that the htmLawed output is not directly used in web pages or XML documents as the presence of the
\x06 can break documents. Before use in such documents, and preferably before any storage, any remaining
\x06 should be changed back to
& , e.g., with:
+
+
+
$final = str_replace("\x06", '&', $prelim);
+
+
+ Also, see
section 3.9 .
+
+
+
+3.3 HTML elements
+ (to top)
+
+ htmLawed can be configured to allow only certain HTML elements (tags) in the input. Disallowed elements (just tag-content, and not element-content), based on
$config["keep_bad"] , are either
neutralized (converted to plain text by entitification of
< and
> ) or removed.
+
+ E.g., with only
em permitted:
+
+ Input:
+
+
+
<em>My</em> website is <a href="http://a.com>a.com</a>.
+
+
+ Output, with
$config["keep_bad"] = 0 :
+
+
+
<em>My</em> website is a.com.
+
+
+ Output, with
$config["keep_bad"] not
0 :
+
+
+
<em>My</em> website is <a href="">a.com</a>.
+
+
+ See
section 3.3.3 for differences between the various non-zero
$config["keep_bad"] values.
+
+ htmLawed by default permits these 118 HTML elements:
+
+
+
a, abbr, acronym, address, applet, area, article, aside, audio, b, bdi, bdo, big, blockquote, br, button, canvas, caption, center, cite, code, col, colgroup, command, data, datalist, dd, del, details, dfn, dir, div, dl, dt, em, embed, fieldset, figcaption, figure, font, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, hr, i, iframe, img, input, ins, isindex, kbd, keygen, label, legend, li, link, main, map, mark, menu, meta, meter, nav, noscript, object, ol, optgroup, option, output, p, param, pre, progress, q, rb, rbc, rp, rt, rtc, ruby, s, samp, script, section, select, small, source, span, strike, strong, style, sub, summary, sup, table, tbody, td, textarea, tfoot, th, thead, time, tr, track, tt, u, ul, var, video, wbr
+
+
+ The HTML version 4 elements
acronym ,
applet ,
big ,
center ,
dir ,
font ,
strike , and
tt are obsolete/deprecated in HTML version 5. On the other hand, the obsolete/deprecated HTML 4 elements
embed ,
menu and
u are no longer so in HTML 5. Elements new to HTML 5 are
article ,
aside ,
audio ,
bdi ,
canvas ,
command ,
data ,
datalist ,
details ,
figure ,
figcaption ,
footer ,
header ,
hgroup ,
keygen ,
link ,
main ,
mark ,
meta ,
meter ,
nav ,
output ,
progress ,
section ,
source ,
style ,
summary ,
time ,
track ,
video , and
wbr . The
link ,
meta and
style elements exist in HTML 4 but are not allowed in the HTML body. These 16 elements are
empty elements that have an opening tag with possible content but no element content (thus, no closing tag):
area ,
br ,
col ,
command ,
embed ,
hr ,
img ,
input ,
isindex ,
keygen ,
link ,
meta ,
param ,
source ,
track , and
wbr .
+
+ With
$config["safe"] = 1 , the default set will exclude
applet ,
audio ,
canvas ,
embed ,
iframe ,
object ,
script and
video ; see
section 3.6 .
+
+ When
$config["elements"] , which specifies allowed elements, is
properly defined, and neither empty nor set to
0 or
* , the default set is not used. To have elements added to or removed from the default set, a
+/- notation is used. E.g.,
*-script-object implies that only
script and
object are disallowed, whereas
*+embed means that
noembed is also allowed. Elements can also be specified as comma separated names. E.g.,
a, b, i means only
a ,
b and
i are permitted. In this notation,
* ,
+ and
- have no significance and can actually cause a mis-reading.
+
+ Some more examples of
$config["elements"] values indicating permitted elements (note that empty spaces are liberally allowed for clarity):
+
+ *
a, blockquote, code, em, strong -- only
a ,
blockquote ,
code ,
em , and
strong
+ *
*-script -- all excluding
script
+ *
* -acronym -big -center -dir -font -isindex -s -strike -tt -- only non-obsolete/deprecated elements of HTML5
+ *
*+noembed-script -- all including
noembed excluding
script
+
+ Some mis-usages (and the resulting permitted elements) that can be avoided:
+
+ *
-* -- none; instead of htmLawed, one might just use, e.g., the
htmlspecialchars() PHP function
+ *
*, -script -- all except
script ; admin probably meant
*-script
+ *
-*, a, em, strong -- all; admin probably meant
a, em, strong
+ *
* -- all; admin need not have set
elements
+ *
*-form+form -- all; a
+ will always over-ride any
-
+ *
*, noembed -- only
noembed ; admin probably meant
*+noembed
+ *
a, +b, i -- only
a and
i ; admin probably meant
a, b, i
+
+ Basically, when using the
+/- notation, commas (
, ) should not be used, and vice versa, and
* should be used with the former but not the latter.
+
+
Note : Even if an element that is not in the default set is allowed through
$config["elements"] , like
noembed in the last example, it will eventually be removed during tag balancing unless such balancing is turned off (
$config["balance"] set to
0 ). Currently, the only way around this, which actually is simple, is to edit htmLawed's PHP code which define various arrays in the function
hl_bal() to accommodate the element and its nesting properties.
+
+ A possible second way to specify allowed elements is to set
$config["parent"] to an element name that supposedly will hold the input, and to set
$config["balance"] to
1 . During tag balancing (see
section 3.3.3 ), all elements that cannot legally nest inside the parent element will be removed. The parent element is auto-reset to
div if
$config["parent"] is empty,
body , or an element not in htmLawed's default set of 118 elements.
+
+
Tag transformation is possible for improving compliance with HTML standards -- most of the obsolete/deprecated elements of HTML version 5 are converted to valid ones; see
section 3.3.2 .
+
+
+3.3.1 Handling of comments & CDATA sections
+ (to top)
+
+
CDATA sections have the format
<![CDATA[...anything but not "]]>"...]]> , and HTML comments,
<!--...anything but not "-->"... --> . Neither HTML comments nor
CDATA sections can reside inside tags. HTML comments can exist anywhere else, but
CDATA sections can exist only where plain text is allowed (e.g., immediately inside
td element content but not immediately inside
tr element content).
+
+ htmLawed (function
hl_cmtcd() ) handles HTML comments or
CDATA sections depending on the values of
$config["comment"] or
$config["cdata"] . If
0 , such markup is not looked for and the text is processed like plain text. If
1 , it is removed completely. If
2 , it is preserved but any
< ,
> and
& inside are changed to entities. If
3 for
$config["cdata"] , or
3 or
4 for
$config["comment"] , they are left as such. When
$config["comment"] is set to
4 , htmLawed will not force a space character before the
--> comment-closing marker. While such a space is required for standard-compliance, it can corrupt marker code put in HTML by some software (such as Microsoft Outlook).
+
+ Note that for the last two cases, HTML comments and
CDATA sections will always be removed from tag content (function
hl_tag() ).
+
+ Examples:
+
+ Input:
+
+
<!-- home link--><a href="home.htm"><![CDATA[x=&y]]>Home</a>
+
+ Output (
$config["comment"] = 0, $config["cdata"] = 2 ):
+
+
<-- home link--><a href="home.htm"><![CDATA[x=&y]]>Home</a>
+
+ Output (
$config["comment"] = 1, $config["cdata"] = 2 ):
+
+
<a href="home.htm"><![CDATA[x=&y]]>Home</a>
+
+ Output (
$config["comment"] = 2, $config["cdata"] = 2 ):
+
+
<!-- home link --><a href="home.htm"><![CDATA[x=&y]]>Home</a>
+
+ Output (
$config["comment"] = 2, $config["cdata"] = 1 ):
+
+
<!-- home link --><a href="home.htm">Home</a>
+
+ Output (
$config["comment"] = 3, $config["cdata"] = 3 ):
+
+
<!-- home link --><a href="home.htm"><![CDATA[x=&y]]>Home</a>
+
+ Output (
$config["comment"] = 4, $config["cdata"] = 3 ):
+
+
<!-- home link--><a href="home.htm"><![CDATA[x=&y]]>Home</a>
+
+
+ For standard-compliance, comments are given the form
<!--comment --> , and any
-- in the content is made
- . When
$config["comment"] is set to
4 , htmLawed will not force a space character before the
--> comment-closing marker.
+
+ When
$config["safe"] = 1 , CDATA sections and comments are considered plain text unless
$config["comment"] or
$config["cdata"] is explicitly specified; see
section 3.6 .
+
+
+
+3.3.2 Tag-transformation for better compliance with standards
+ (to top)
+
+ If
$config["make_tag_strict"] is set and not
0 , following deprecated elements (and attributes), as per HTML 5 specification, even if admin-permitted, are mutated as indicated (element content remains intact; function
hl_tag2() ):
+
+ * acronym -
abbr
+ * applet - based on
$config["make_tag_strict"] , unchanged (
1 ) or removed (
2 )
+ * big -
span style="font-size: larger;"
+ * center -
div style="text-align: center;"
+ * dir -
ul
+ * font (face, size, color) -
span style="font-family: ; font-size: ; color: ;" (size transformation
reference )
+ * isindex - based on
$config["make_tag_strict"] , unchanged (
1 ) or removed (
2 )
+ * s -
span style="text-decoration: line-through;"
+ * strike -
span style="text-decoration: line-through;"
+ * tt -
code
+
+ For an element with a pre-existing
style attribute value, the extra style properties are appended.
+
+ Example input:
+
+
+
<center>
+
+
+
The PHP <s>software</s> script used for this <strike>web-page</strike> web-page is <font style="font-weight: bold " face=arial size='+3' color = "red ">htmLawedTest.php</font>, from <u style= 'color:green'>PHP Labware</u>.
+
+
+
</center>
+
+
+ The output:
+
+
+
<div style="text-align: center;">
+
+
+
The PHP <span style="text-decoration: line-through;">software</span> script used for this <span style="text-decoration: line-through;">web-page</span> web-page is <span style="font-weight: bold; font-size: 200%; color: red; font-family: arial;">htmLawedTest.php</span>, from <u style="color:green">PHP Labware</u>.
+
+
+
</div>
+
+
+
+
+3.3.3 Tag balancing & proper nesting
+ (to top)
+
+ If
$config["balance"] is set to
1 , htmLawed (function
hl_bal() ) checks and corrects the input to have properly balanced tags and legal element content (i.e., any element nesting should be valid, and plain text may be present only in the content of elements that allow them).
+
+ Depending on the value of
$config["keep_bad"] (see
section 2.2 and
section 3.3 ), illegal content may be removed or neutralized to plain text by converting < and > to entities:
+
+
0 - remove; this option is available only to maintain Kses-compatibility and should not be used otherwise (see
section 2.6 )
+
1 - neutralize tags and keep element content
+
2 - remove tags but keep element content
+
3 and
4 - like
1 and
2 , but keep element content only if text (
pcdata ) is valid in parent element as per specs
+
5 and
6 - like
3 and
4 , but line-breaks, tabs and spaces are left
+
+ Example input (disallowing the
p element):
+
+
+
<*> Pseudo-tags <*>
+
+
+
<xml>Non-HTML tag xml</xml>
+
+
+
<p>
+
+
+
Disallowed tag p
+
+
+
</p>
+
+
+
<ul>Bad<li>OK</li></ul>
+
+
+ The output with
$config["keep_bad"] = 1 :
+
+
+
<*> Pseudo-tags <*>
+
+
+
<xml>Non-HTML tag xml</xml>
+
+
+
<p>
+
+
+
Disallowed tag p
+
+
+
</p>
+
+
+
<ul>Bad<li>OK</li></ul>
+
+
+ The output with
$config["keep_bad"] = 3 :
+
+
+
<*> Pseudo-tags <*>
+
+
+
<xml>Non-HTML tag xml</xml>
+
+
+
<p>
+
+
+
Disallowed tag p
+
+
+
</p>
+
+
+
<ul><li>OK</li></ul>
+
+
+ The output with
$config["keep_bad"] = 6 :
+
+
+
<*> Pseudo-tags <*>
+
+
+
Non-HTML tag xml
+
+
+
+
Disallowed tag p
+
+
+
+
<ul><li>OK</li></ul>
+
+
+ An option like
1 is useful, e.g., when a writer previews his submission, whereas one like
3 is useful before content is finalized and made available to all.
+
+
Note: In the example above, unlike
<*> ,
<xml> gets considered as a tag (even though there is no HTML element named
xml ). Thus, the
keep_bad parameter's value affects
<xml> but not
<*> . In general, text matching the regular expression pattern
<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?> is considered a tag (phrase enclosed by the angled brackets
< and
> , and starting [with an optional slash preceding] with an alphanumeric word that starts with an alphabet...), and is subjected to the
keep_bad value.
+
+ Nesting/content rules for each of the 118 elements in htmLawed's default set (see
section 3.3 ) are defined in function
hl_bal() . This means that if a non-standard element besides
embed is being permitted through
$config["elements"] , the element's tag content will end up getting removed if
$config["balance"] is set to
1 .
+
+ Plain text and/or certain elements nested inside
blockquote ,
form ,
map and
noscript need to be in block-level elements. This point is often missed during manual writing of HTML code. htmLawed attempts to address this during balancing. E.g., if the parent container is set as
form , the input
B:<input type="text" value="b" />C:<input type="text" value="c" /> is converted to
<div>B:<input type="text" value="b" />C:<input type="text" value="c" /></div> .
+
+
+
+3.3.4 Elements requiring child elements
+ (to top)
+
+ As per HTML specifications, elements such as those below require legal child elements nested inside them:
+
+
+
blockquote, dir, dl, form, map, menu, noscript, ol, optgroup, rbc, rtc, ruby, select, table, tbody, tfoot, thead, tr, ul
+
+
+ In some cases, the specifications stipulate the number and/or the ordering of the child elements. A
table can have 0 or 1
caption ,
tbody ,
tfoot , and
thead , but they must be in this order:
caption ,
thead ,
tfoot ,
tbody .
+
+ htmLawed currently does not check for conformance to these rules. Note that any non-compliance in this regard will not introduce security vulnerabilities, crash browser applications, or affect the rendering of web-pages.
+
+ With
$config["direct_list_nest"] set to
1 , htmLawed will allow direct nesting of
ol ,
ul , or
menu list within another
ol ,
ul , or
menu without requiring the child list to be within an
li of the parent list. While this may not be standard-compliant, directly nested lists are rendered properly by almost all browsers. The parameter
$config["direct_list_nest"] has no effect if tag balancing (
section 3.3.3 ) is turned off.
+
+
+
+3.3.5 Beautify or compact HTML
+ (to top)
+
+ By default, htmLawed will neither
beautify HTML code by formatting it with indentations, etc., nor will it make it compact by removing un-needed white-space.(It does always properly white-space tag content.)
+
+ As per the HTML standards, spaces, tabs and line-breaks in web-pages (except those inside
pre elements) are all considered equivalent, and referred to as
white-spaces . Browser applications are supposed to consider contiguous white-spaces as just a single space, and to disregard white-spaces trailing opening tags or preceding closing tags. This white-space
normalization allows the use of text/code beautifully formatted with indentations and line-spacings for readability. Such
pretty HTML can, however, increase the size of web-pages, or make the extraction or scraping of plain text cumbersome.
+
+ With the
$config parameter
tidy , htmLawed can be used to beautify or compact the input text. Input with just plain text and no HTML markup is also subject to this. Besides
pre , the
script and
textarea elements, CDATA sections, and HTML comments are not subjected to the tidying process.
+
+ To
compact , use
$config["tidy"] = -1 ; single instances or runs of white-spaces are replaced with a single space, and white-spaces trailing and leading open and closing tags, respectively, are removed.
+
+ To
beautify ,
$config["tidy"] is set as
1 , or for customized tidying, as a string like
2s2n . The
s or
t character specifies the use of spaces or tabs for indentation. The first and third characters, any of the digits 0-9, specify the number of spaces or tabs per indentation, and any parental lead spacing (extra indenting of the whole block of input text). The
r and
n characters are used to specify line-break characters:
n for
\n (Unix/Mac OS X line-breaks),
rn or
nr for
\r\n (Windows/DOS line-breaks), or
r for
\r .
+
+ The
$config["tidy"] value of
1 is equivalent to
2s0n . Other
$config["tidy"] values are read loosely: a value of
4 is equivalent to
4s0n ;
t2 , to
1t2n ;
s , to
2s0n ;
2TR , to
2t0r ;
T1 , to
1t1n ;
nr3 , to
3s0nr , and so on. Except in the indentations and line-spacings, runs of white-spaces are replaced with a single space during beautification.
+
+ Input formatting using
$config["tidy"] is not recommended when input text has mixed markup (like HTML + PHP).
+
+
+
+3.4 Attributes
+ (to top)
+
+ In its default setting, htmLawed will only permit attributes described in the HTML specifications (including deprecated ones). A list of the attributes and the elements they are allowed in is in
section 5.2 . Using the
$spec argument, htmLawed can be forced to permit custom, non-standard attributes as well as custom rules for standard attributes (
section 2.3 ).
+
+ Custom
data-* (
data-star ) attributes, where the first three characters of the value of
star (*) after lower-casing do not equal
xml , and the value of
star does not have a colon (:), equal-to (=), newline, solidus (/), space or tab character, or any upper-case A-Z character are allowed in all elements. ARIA, event and microdata attributes like
aria-live ,
onclick and
itemid are also considered global attributes (
section 5.2 ).
+
+ When
$config["deny_attribute"] is not set, or set to
0 , or empty (
"" ), all attributes are permitted. Otherwise,
$config["deny_attribute"] can be set as a list of comma-separated names of the denied attributes.
on* can be used to refer to the group of potentially dangerous, script-accepting event attributes like
onblur and
onchange that have
on at the beginning of their names. Similarly,
aria* and
data* can be used to respectively refer to the set of all ARIA and data-* attributes.
+
+ With
$config["safe"] = 1 (
section 3.6 ), the
on* event attributes are automatically disallowed even if a value for
$config["deny_attribute"] has been manually provided.
+
+ Note that attributes specified in
$config["deny_attribute"] are denied globally, for all elements. To deny attributes for only specific elements,
$spec (see
section 2.3 ) can be used.
$spec can also be used to element-specifically permit an attribute otherwise denied through
$config["deny_attribute"] .
+
+ Finer restrictions on attributes can also be put into effect through
$config["deny_attribute"] (
section ).
+
+
Note : To deny all but a few attributes globally, a simpler way to specify
$config["deny_attribute"] would be to use the notation
* -attribute1 -attribute2 ... . Thus, a value of
* -title -href implies that except
href and
title (where allowed as per standards) all other attributes are to be removed. With this notation, the value for the parameter
safe (
section 3.6 ) will have no effect on
deny_attribute . Values of
aria* data* , and
on* cannot be used in this notation to refer to the sets of all ARIA, data-*, and on* attributes respectively.
+
+ htmLawed (function
hl_tag() ) also:
+
+ * Lower-cases attribute names
+ * Removes duplicate attributes (last one stays)
+ * Gives attributes the form
name="value" and single-spaces them, removing unnecessary white-spacing
+ * Provides
required attributes (see
section 3.4.1 )
+ * Double-quotes values and escapes any
" inside them
+ * Replaces the possibly dangerous soft-hyphen characters (hexadecimal code-point
ad ) in the values with spaces
+ * Allows custom function to additionally filter/modify attribute values (see
section 3.4.9 )
+
+
+3.4.1 Auto-addition of XHTML-required attributes
+ (to top)
+
+ If indicated attributes for the following elements are found missing, htmLawed (function
hl_tag() ) will add them (with values same as attribute names unless indicated otherwise below):
+
+ * area - alt (
area )
+ * area, img - src, alt (
image )
+ * bdo - dir (
ltr )
+ * form - action
+ * label - command
+ * map - name
+ * optgroup - label
+ * param - name
+ * style - scoped
+ * textarea - rows (
10 ), cols (
50 )
+
+ Additionally, with
$config["xml:lang"] set to
1 or
2 , if the
lang but not the
xml:lang attribute is declared, then the latter is added too, with a value copied from that of
lang . This is for better standard-compliance. With
$config["xml:lang"] set to
2 , the
lang attribute is removed (XHTML specification).
+
+ Note that the
name attribute for
map , invalid in XHTML, is also transformed if required -- see
section 3.4.6 .
+
+
+
+3.4.2 Duplicate/invalid id values
+ (to top)
+
+ If
$config["unique_ids"] is
1 , htmLawed (function
hl_tag() ) removes
id attributes with values that are not standards-compliant (must not have a space character) or duplicate. If
$config["unique_ids"] is a word (without a non-word character like space), any duplicate but otherwise valid value will be appropriately prefixed with the word to ensure its uniqueness.
+
+ Even if multiple inputs need to be filtered (through multiple calls to htmLawed), htmLawed ensures uniqueness of
id values as it uses a global variable (
$GLOBALS["hl_Ids"] array). Further, an admin can restrict the use of certain
id values by presetting this variable before htmLawed is called into use. E.g.:
+
+
+
$GLOBALS['hl_Ids'] = array('top'=>1, 'bottom'=>1, 'myform'=>1); // id values not allowed in input
+
+
+
$processed = htmLawed($text); // filter input
+
+
+
+
+3.4.3 URL schemes & scripts in attribute values
+ (to top)
+
+ htmLawed edits attributes that take URLs as values if they are found to contain un-permitted schemes. E.g., if the
afp scheme is not permitted, then
<a href="afp://domain.org"> becomes
<a href="denied:afp://domain.org"> , and if Javascript is not permitted
<a onclick="javascript:xss();"> becomes
<a onclick="denied:javascript:xss();"> .
+
+ By default htmLawed permits these schemes in URLs for the
href attribute:
+
+
+
aim, app, feed, file, ftp, gopher, http, https, javascript, irc, mailto, news, nntp, sftp, ssh, tel, telnet
+
+
+ Also, only
data ,
file ,
http ,
https and
javascript are permitted in these attributes that accept URLs:
+
+
+
action, cite, classid, codebase, data, itemtype, longdesc, model, pluginspage, pluginurl, src, srcset, style, usemap, and event attributes like onclick
+
+
+ With
$config["safe"] = 1 (
section 3.6 ), the above is changed to disallow
app ,
data and
javascript .
+
+ These default sets are used when
$config["schemes"] is not set (see
section 2.2 ). To over-ride the defaults,
$config["schemes"] is defined as a string of semi-colon-separated sub-strings of type
attribute: comma-separated schemes . E.g.,
href: mailto, http, https; onclick: javascript; src: http, https . For unspecified attributes,
data ,
file ,
http ,
https and
javascript are permitted. This can be changed by passing schemes for
* in
$config["schemes"] . E.g.,
href: mailto, http, https; *: https, https .
+
+
* (asterisk) can be put in the list of schemes to permit all protocols. E.g.,
style: *; img: http, https results in protocols not being checked in
style attribute values. However, in such cases, any relative-to-absolute URL conversion, or vice versa, (
section 3.4.4 ) is not done. When an attribute is explicitly listed in
$config["schemes"] , then filtering is dictated by the setting for the attribute, with no effect of the setting for asterisk. That is, the set of attributes that asterisk refers to no longer includes the listed attribute.
+
+ Thus,
to allow the xmpp scheme , one can set
$config["schemes"] as
href: mailto, http, https; *: http, https, xmpp , or
href: mailto, http, https, xmpp; *: http, https, xmpp , or
*: * , and so on. The consequence of each of these example values will be different (e.g., only the last two but not the first will allow
xmpp in
href )
+
+ As a side-note, one may find
style: * useful as URLs in
style attributes can be specified in a variety of ways, and the patterns that htmLawed uses to identify URLs may mistakenly identify non-URL text.
+
+
! can be put in the list of schemes to disallow all protocols as well as
local URLs. Thus, with
href: http, style: ! ,
<a href="http://cnn.com" style="background-image: url(local.jpg);">CNN</a> will become
<a href="http://cnn.com" style="background-image: url(denied:local.jpg);">CNN</a>
+
+
Note : If URL-accepting attributes other than those listed above are being allowed, then the scheme will not be checked unless the attribute name contains the string
src (e.g.,
dynsrc ) or starts with
o (e.g.,
onbeforecopy ).
+
+ With
$config["safe"] = 1 , all URLs are disallowed in the
style attribute values.
+
+
+
+3.4.4 Absolute & relative URLs in attribute values
+ (to top)
+
+ htmLawed can make absolute URLs in attributes like
href relative (
$config["abs_url"] is
-1 ), and vice versa (
$config["abs_url"] is
1 ). URLs in scripts are not considered for this, and so are URLs like
#section_6 (fragment),
?name=Tim#show (starting with query string), and
;var=1?name=Tim#show (starting with parameters). Further, this requires that
$config["base_url"] be set properly, with the
:// and a trailing slash (
/ ), with no query string, etc. E.g.,
file:///D:/page/ ,
https://abc.com/x/y/ , or
http://localhost/demo/ are okay, but
file:///D:/page/?help=1 ,
abc.com/x/y/ and
http://localhost/demo/index.htm are not.
+
+ For making absolute URLs relative, only those URLs that have the
$config["base_url"] string at the beginning are converted. E.g., with
$config["base_url"] = "https://abc.com/x/y/" ,
https://abc.com/x/y/a.gif and
https://abc.com/x/y/z/b.gif become
a.gif and
z/b.gif respectively, while
https://abc.com/x/c.gif is not changed.
+
+ When making relative URLs absolute, only values for scheme, network location (host-name) and path values in the base URL are inherited. See
section 5.5 for more about the URL specification as per RFC
1808 .
+
+
+
+3.4.5 Lower-cased, standard attribute values
+ (to top)
+
+ Optionally, for standard-compliance, htmLawed (function
hl_tag() ) lower-cases standard attribute values to give, e.g.,
input type="password" instead of
input type="Password" , if
$config["lc_std_val"] is
1 . Attribute values matching those listed below for any of the elements listed further below (plus those for the
type attribute of
button or
input ) are lower-cased:
+
+
+
all, auto, baseline, bottom, button, captions, center, chapters, char, checkbox, circle, col, colgroup, color, cols, data, date, datetime, datetime-local, default, descriptions, email, file, get, groups, hidden, image, justify, left, ltr, metadata, middle, month, none, number, object, password, poly, post, preserve, radio, range, rect, ref, reset, right, row, rowgroup, rows, rtl, search, submit, subtitles, tel, text, time, top, url, week
+
+
+
+
a, area, bdo, button, col, fieldset, form, img, input, object, ol, optgroup, option, param, script, select, table, td, textarea, tfoot, th, thead, tr, track, xml:space
+
+
+ The following
empty (
minimized ) attributes are always assigned lower-cased values (same as the attribute names):
+
+
+
checkbox, checked, command, compact, declare, defer, default, disabled, hidden, inert, ismap, itemscope, multiple, nohref, noresize, noshade, nowrap, open, radio, readonly, required, reversed, selected
+
+
+
+
+3.4.6 Transformation of deprecated attributes
+ (to top)
+
+ If
$config["no_deprecated_attr"] is
0 , then deprecated attributes are removed and, in most cases, their values are transformed to CSS style properties and added to the
style attributes (function
hl_tag() ). Except for
bordercolor for
table ,
tr and
td , the scores of proprietary attributes that were never part of any cross-browser standard are not supported in this functionality.
+
+ * align in caption, div, h, h2, h3, h4, h5, h6, hr, img, input, legend, object, p, table - for
img with value of
left or
right , becomes, e.g.,
float: left ; for
div and
table with value
center , becomes
margin: auto ; all others become, e.g.,
text-align: right
+ * bgcolor in table, td, th and tr - E.g.,
bgcolor="#ffffff" becomes
background-color: #ffffff
+ * border in object - E.g.,
height="10" becomes
height: 10px
+ * bordercolor in table, td and tr - E.g.,
bordercolor=#999999 becomes
border-color: #999999;
+ * compact in dl, ol and ul -
font-size: 85%
+ * cellspacing in table -
cellspacing="10" becomes
border-spacing: 10px
+ * clear in br - E.g., 'clear="all" becomes
clear: both
+ * height in td and th - E.g.,
height= "10" becomes
height: 10px and
height="*" becomes
height: auto
+ * hspace in img and object - E.g.,
hspace="10" becomes
margin-left: 10px; margin-right: 10px
+ * language in script -
language="VBScript" becomes
type="text/vbscript"
+ * name in a, form, iframe, img and map - E.g.,
name="xx" becomes
id="xx"
+ * noshade in hr -
border-style: none; border: 0; background-color: gray; color: gray
+ * nowrap in td and th -
white-space: nowrap
+ * size in hr - E.g.,
size="10" becomes
height: 10px
+ * vspace in img and object - E.g.,
vspace="10" becomes
margin-top: 10px; margin-bottom: 10px
+ * width in hr, pre, table, td and th - like
height
+
+ Example input:
+
+
+
<img src="j.gif" alt="image" name="dad's" /><img src="k.gif" alt="image" id="dad_off" name="dad" />
+
+
+
<br clear="left" />
+
+
+
<hr noshade size="1" />
+
+
+
<img name="img" src="i.gif" align="left" alt="image" hspace="10" vspace="10" width="10em" height="20" border="1" style="padding:5px;" />
+
+
+
<table width="50em" align="center" bgcolor="red">
+
+
+
<tr>
+
+
+
<td width="20%">
+
+
+
<div align="center">
+
+
+
<h3 align="right">Section</h3>
+
+
+
<p align="right">Para</p>
+
+
+
</div>
+
+
+
</td>
+
+
+
<td width="*">
+
+
+
</td>
+
+
+
</tr>
+
+
+
</table>
+
+
+
<br clear="all" />
+
+
+ And the output with
$config["no_deprecated_attr"] = 1 :
+
+
+
<img src="j.gif" alt="image" id="dad's" /><img src="k.gif" alt="image" id="dad_off" />
+
+
+
<br style="clear: left;" />
+
+
+
<hr style="border-style: none; border: 0; background-color: gray; color: gray; size: 1px;" />
+
+
+
<img src="i.gif" alt="image" width="10em" height="20" style="padding:5px; float: left; margin-left: 10px; margin-right: 10px; margin-top: 10px; margin-bottom: 10px; border: 1px;" id="img" />
+
+
+
<table width="50em" style="margin: auto; background-color: red;">
+
+
+
<tr>
+
+
+
<td style="width: 20%;">
+
+
+
<div style="margin: auto;">
+
+
+
<h3 style="text-align: right;">Section</h3>
+
+
+
<p style="text-align: right;">Para</p>
+
+
+
</div>
+
+
+
</td>
+
+
+
<td style="width: auto;">
+
+
+
</td>
+
+
+
</tr>
+
+
+
</table>
+
+
+
<br style="clear: both;" />
+
+
+ For
lang , deprecated in XHTML 1.1, transformation is taken care of through
$config["xml:lang"] ; see
section 3.4.1 .
+
+ The attribute
name is deprecated in
form ,
iframe , and
img , and is replaced with
id if an
id attribute doesn't exist and if the
name value is appropriate for
id (i.e., doesn't have a non-word character like space). For such replacements for
a and
map , for which the
name attribute is deprecated in XHTML 1.1,
$config["no_deprecated_attr"] should be set to
2 (when set to
1 , for these two elements, the
name attribute is retained).
+
+
+
+3.4.7 Anti-spam & href
+ (to top)
+
+ htmLawed (function
hl_tag() ) can check the
href attribute values (link addresses) as an anti-spam (email or link spam) measure.
+
+ If
$config["anti_mail_spam"] is not
0 , the
@ of email addresses in
href values like
mailto:a@b.com is replaced with text specified by
$config["anti_mail_spam"] . The text should be of a form that makes it clear to others that the address needs to be edited before a mail is sent; e.g.,
<remove_this_antispam>@ (makes the example address
a<remove_this_antispam>@b.com ).
+
+ For regular links, one can choose to have a
rel attribute with
nofollow in its value (which tells some search engines to not follow a link). This can discourage link spammers. Additionally, or as an alternative, one can choose to empty the
href value altogether (disable the link).
+
+ For use of these options,
$config["anti_link_spam"] should be set as an array with values
regex1 and
regex2 , both or one of which can be empty (like
array("", "regex2") ) to indicate that that option is not to be used. Otherwise,
regex1 or
regex2 should be PHP- and PCRE-compatible regular expression patterns:
href values will be matched against them and those matching the pattern will accordingly be treated.
+
+ Note that the regular expressions should have
delimiters , and be well-formed and preferably fast. Absolute efficiency/accuracy is often not needed.
+
+ An example, to have a
rel attribute with
nofollow for all links, and to disable links that do not point to domains
abc.com and
xyz.org :
+
+
+
$config["anti_link_spam"] = array('`.`', '`://\W*(?!(abc\.com|xyz\.org))`');
+
+
+
+
+3.4.8 Inline style properties
+ (to top)
+
+ htmLawed can check URL schemes and dynamic expressions (to guard against Javascript, etc., script-based insecurities) in inline CSS style property values in the
style attributes. (CSS properties like
background-image that accept URLs in their values are noted in
section 5.3 .) Dynamic CSS expressions that allow scripting in the IE browser, and can be a vulnerability, can be removed from property values by setting
$config["css_expression"] to
1 (default setting). Note that when
$config["css_expression"] is set to
1 , htmLawed will remove
/* from the
style values.
+
+
Note : Because of the various ways of representing characters in attribute values (URL-escapement, entitification, etc.), htmLawed might alter the values of the
style attribute values, and may even falsely identify dynamic CSS expressions and URL schemes in them. If this is an important issue, checking of URLs and dynamic expressions can be turned off (
$config["schemes"] = "...style:*..." , see
section 3.4.3 , and
$config["css_expression"] = 0 ). Alternately, admins can use their own custom function for finer handling of
style values through the
hook_tag parameter (see
section 3.4.9 ).
+
+ It is also possible to have htmLawed let through any
style value by setting
$config["style_pass"] to
1 .
+
+ As such, it is better to set up a CSS file with class declarations, disallow the
style attribute, set a
$spec rule (see
section 2.3 ) for
class for the
oneof or
match parameter, and ask writers to make use of the
class attribute.
+
+
+
+3.4.9 Hook function for tag content
+ (to top)
+
+ It is possible to utilize a custom hook function to alter the tag content htmLawed has finalized (i.e., after it has checked/corrected for required attributes, transformed attributes, lower-cased attribute names, etc.).
+
+ When
$config parameter
hook_tag is set to the name of a function, htmLawed (function
hl_tag() ) will pass on the element name, and the
finalized attribute name-value pairs as array elements to the function. The function, after completing a task such as filtering or tag transformation, will typically return an empty string, the full opening tag string like
<element_name attribute_1_name="attribute_1_value"...> (for empty elements like
img and
input , the element-closing slash
/ should also be included), etc.
+
+ Any
hook_tag function, since htmLawed version 1.1.11, also receives names of elements in closing tags, such as
a in the closing
</a> tag of the element
<a href="http://cnn.com">CNN</a> . No other value is passed to the function since a closing tag contains only element names. Typically, the function will return an empty string or a full closing tag (like
</a> ).
+
+ This is a
powerful functionality that can be exploited for various objectives: consolidate-and-convert inline
style attributes to
class , convert
embed elements to
object , permit only one
caption element in a
table element, disallow embedding of certain types of media,
inject HTML , use
CSSTidy to sanitize
style attribute values, etc.
+
+ As an example, the custom hook code below can be used to force a series of specifically ordered
id attributes on all elements, and a specific
param element inside all
object elements:
+
+
+
function my_tag_function($element, $attribute_array=0){
+
+
+
+
// If second argument is not received, it means a closing tag is being handled
+
+
+
if(is_numeric($attribute_array)){
+
+
+
return "</$element>";
+
+
+
}
+
+
+
+
static $id = 0;
+
+
+
// Remove any duplicate element
+
+
+
if($element == 'param' && isset($attribute_array['allowscriptaccess'])){
+
+
+
return '';
+
+
+
}
+
+
+
+
$new_element = '';
+
+
+
+
// Force a serialized ID number
+
+
+
$attribute_array['id'] = 'my_'. $id;
+
+
+
++$id;
+
+
+
+
// Inject param for allowscriptaccess
+
+
+
if($element == 'object'){
+
+
+
$new_element = '<param id="my_'. $id. '"; allowscriptaccess="never" />';
+
+
+
++$id;
+
+
+
}
+
+
+
+
$string = '';
+
+
+
foreach($attribute_array as $k=>$v){
+
+
+
$string .= " {$k}=\"{$v}\"";
+
+
+
}
+
+
+
+
static $empty_elements = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1);
+
+
+
+
return "<{$element}{$string}". (array_key_exists($element, $empty_elements) ? ' /' : ''). '>'. $new_element;
+
+
+
}
+
+
+ The
hook_tag parameter is different from the
hook parameter (
section 3.7 ).
+
+ Snippets of hook function code developed by others may be available on the
htmLawed website.
+
+
+
+3.5 Simple configuration directive for most valid XHTML
+ (to top)
+
+ If
$config["valid_xhtml"] is set to
1 , some relevant
$config parameters (indicated by
~ in
section 2.2 ) are auto-adjusted. This allows one to pass the
$config argument with a simpler value. If a value for a parameter auto-set through
valid_xhtml is still manually provided, then that value will over-ride the auto-set value.
+
+
+
+3.6 Simple configuration directive for most safe HTML
+ (to top)
+
+
Safe HTML refers to HTML that is restricted to reduce the vulnerability for scripting attacks (such as XSS) based on HTML code which otherwise may still be legal and compliant with the HTML standard specifications. When elements such as
script and
object , and attributes such as
onmouseover and
style are allowed in the input text, an input writer can introduce malevolent HTML code. Note that what is considered
safe depends on the nature of the web application and the trust-level accorded to its users.
+
+ htmLawed allows an admin to use
$config["safe"] to auto-adjust multiple
$config parameters (such as
elements which declares the allowed element-set), which otherwise would have to be manually set. The relevant parameters are indicated by
" in
section 2.2 ). Thus, one can pass the
$config argument with a simpler value. Having the
safe parameter set to
1 is equivalent to setting the following
$config parameters to the noted values :
+
+
+
cdata - 0
+
+
+
comment - 0
+
+
+
deny_attribute - on*
+
+
+
elements - * -applet -audio -canvas -embed -iframe -object -script -video
+
+
+
schemes - href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet; style: !; *:file, http, https
+
+
+ With
safe set to
1 , htmLawed considers
CDATA sections and HTML comments as plain text, and prohibits the
applet ,
audio ,
canvas ,
embed ,
iframe ,
object ,
script and
video elements, and the
on* attributes like
onclick . ( There are
$config parameters like
css_expression that are not affected by the value set for
safe but whose default values still contribute towards a more
safe output.) Further, unless overridden by the value for parameter
schemes (see
section 3.4.3 ), the schemes
app ,
data and
javascript are not permitted, and URLs with schemes are neutralized so that, e.g.,
style="moz-binding:url(http://danger)" becomes
style="moz-binding:url(denied:http://danger)" .
+
+ Admins, however, may still want to completely deny the
style attribute, e.g., with code like
+
+
+
$processed = htmLawed($text, array('safe'=>1, 'deny_attribute'=>'style'));
+
+
+ Permitting the
style attribute brings in risks of
click-jacking , etc. CSS property values can render a page non-functional or be used to deface it. Except for URLs, dynamic expressions, and some other things, htmLawed does not completely check
style values. It does provide ways for the code-developer implementing htmLawed to do such checks through the
$spec argument, and through the
hook_tag parameter (see
section 3.4.8 for more). Disallowing style completely and relying on CSS classes and stylesheet files is recommended.
+
+ If a value for a parameter auto-set through
safe is still manually provided, then that value can over-ride the auto-set value. E.g., with
$config["safe"] = 1 and
$config["elements"] = "* +script" ,
script , but not
applet , is allowed. Such over-ride does not occur for
deny_attribute (for legacy reason) when comma-separated attribute names are provided as the value for this parameter (
section 3.4 ); instead htmLawed will add
on* to the value provided for
deny_attribute .
+
+ A page illustrating the efficacy of htmLawed's anti-XSS abilities with
safe set to
1 against XSS vectors listed by
RSnake may be available
here .
+
+
+
+3.7 Using a hook function
+ (to top)
+
+ If
$config["hook"] is not set to
0 , then htmLawed will allow preliminarily processed input to be altered by a hook function named by
$config["hook"] before starting the main work (but after handling of characters, entities, HTML comments and
CDATA sections -- see code for function
htmLawed() ).
+
+ The hook function also allows one to alter the
finalized values of
$config and
$spec .
+
+ Note that the
hook parameter is different from the
hook_tag parameter (
section 3.4.9 ).
+
+ Snippets of hook function code developed by others may be available on the
htmLawed website.
+
+
+
+3.8 Obtaining finalized parameter values
+ (to top)
+
+ htmLawed can assign the
finalized $config and
$spec values to a variable named by
$config["show_setting"] . The variable, made global by htmLawed, is set as an array with three keys:
config , with the
$config value,
spec , with the
$spec value, and
time , with a value that is the Unix time (the output of PHP's
microtime() function) when the value was assigned. Admins should use a PHP-compliant variable name (e.g., one that does not begin with a numerical digit) that does not conflict with variable names in their non-htmLawed code.
+
+ The values, which are also post-hook function (if any), can be used to auto-generate information (on, e.g., the elements that are permitted) for input writers.
+
+
+
+3.9 Retaining non-HTML tags in input with mixed markup
+ (to top)
+
+ htmLawed does not remove certain characters that, though invalid, are nevertheless
discouraged in HTML documents as per the specifications (see
section 5.1 ). This can be utilized to deal with input that contains mixed markup. Input that may have HTML markup as well as some other markup that is based on the
< ,
> and
& characters is considered to have mixed markup. The non-HTML markup can be rather proprietary (like markup for emoticons/smileys), or standard (like MathML or SVG). Or it can be programming code meant for execution/evaluation (such as embedded PHP code).
+
+ To deal with such mixed markup, the input text can be pre-processed to hide the non-HTML markup by specifically replacing the
< ,
> and
& characters with some of the HTML-discouraged characters (see
section 3.1.2 ). Post-htmLawed processing, the replacements are reverted.
+
+ An example (mixed HTML and PHP code in input text):
+
+
+
$text = preg_replace('`<\?php(.+?)\?>`sm', "\x83?php\\1?\x84", $text);
+
+
+
$processed = htmLawed($text);
+
+
+
$processed = preg_replace('`\x83\?php(.+?)\?\x84`sm', '<?php$1?>', $processed);
+
+
+ This code will not work if
$config["clean_ms_char"] is set to
1 (
section 3.1 ), in which case one should instead deploy a hook function (
section 3.7 ). (htmLawed internally uses certain control characters, code-points
1 to
7 , and use of these characters as markers in the logic of hook functions may cause issues.)
+
+ Admins may also be able to use
$config["and_mark"] to deal with such mixed markup; see
section 3.2 .
+
+
+
+
+4 Other
+ (to top)
+
+
+
+4.3 Change-log
+ (to top)
+
+ (The release date for the downloadable package of files containing documentation, demo script, test-cases, etc., besides the
htmLawed.php file, may be updated without a change-log entry if the secondary files, but not htmLawed per se, are revised.)
+
+
Version number - Release date. Notes
+
+ 1.2.5 - 24 September 2019. Fixes two bugs in
font tag transformation
+
+ 1.2.4.2 - 16 May 2019. Corrects a PHP notice if a semi-colon is present in
$config["schemes"]
+
+ 1.2.4.1 - 12 September 2017. Corrects a function re-declaration bug introduced in version 1.2.4
+
+ 1.2.4 - 31 August 2017. Removes use of PHP
create_function function and
$php_errormsg reserved variable (deprecated in PHP 7.2)
+
+ 1.2.3 - 5 July 2017. New option value of
4 for
$config["comments"] to stop enforcing a space character before the
--> comment-closing marker
+
+ 1.2.2 - 25 May 2017. Fix for a bug in parsing
$spec that got introduced in version 1.2; also,
$spec is now parsed to accommodate specifications for an HTML element when they are specified in multiple rules
+
+ 1.2.1.1 - 17 May 2017. Fix for a potential security vulnerability in transformation of deprecated attributes
+
+ 1.2.1 - 15 May 2017. Fix for a potential security vulnerability in transformation of deprecated attributes
+
+ 1.2 - 11 February 2017. (First beta release on 26 May 2013). Added support for HTML version 5; ARIA, data-* and microdata attributes;
app ,
data ,
javascript and
tel URL schemes (thus,
javascript: is not filtered in default mode). Removed support for code using Kses functions (see
section 2.6 ). Changes in revisions to the beta releases are not noted here.
+
+ 1.1.22 - 5 March 2016. Improved testing of attribute value rules specified in
$spec
+
+ 1.1.21 - 27 February 2016. Improvement and security fix in transforming
font element
+
+ 1.1.20 - 9 June 2015. Fix for a potential security vulnerability arising from unescaped double-quote character in single-quoted attribute value of some deprecated elements when tag transformation is enabled; recognition for non-(HTML 4) standard
allowfullscreen attribute of
iframe
+
+ 1.1.19 - 19 January 2015. Fix for a bug in cleaning of soft-hyphens in URL values, etc
+
+ 1.1.18 - 2 August 2014. Fix for a potential security vulnerability arising from specially encoded text with serial opening tags
+
+ 1.1.17 - 11 March 2014. Removed use of PHP function preg_replace with
e modifier for compatibility with PHP 5.5.
+
+ 1.1.16 - 29 August 2013. Fix for a potential security vulnerability arising from specialy encoded space characters in URL schemes/protocols
+
+ 1.1.15 - 11 August 2013. Improved tidying/prettifying functionality
+
+ 1.1.14 - 8 August 2012. Fix for possible segmental loss of incremental indentation during
tidying when
balance is disabled; fix for non-effectuation under some circumstances of a corrective behavior to preserve plain text within elements like
blockquote
+
+ 1.1.13 - 22 July 2012. Added feature allowing use of custom, non-standard attributes or custom rules for standard attributes
+
+ 1.1.12 - 5 July 2012. Fix for a bug in identifying an unquoted value of the
face attribute
+
+ 1.1.11 - 5 June 2012. Fix for possible problem with handling of multi-byte characters in attribute values in an mbstring.func_overload enviroment.
$config["hook_tag"] , if specified, now receives names of elements in closing tags.
+
+ 1.1.10 - 22 October 2011. Fix for a bug in the
tidy functionality that caused the entire input to be replaced with a single space; new parameter,
$config["direct_list_nest"] to allow direct descendance of a list in a list. (5 April 2012. Dual licensing from LGPLv3 to LGPLv3 and GPLv2+.)
+
+ 1.1.9.5 - 6 July 2011. Minor correction of a rule for nesting of
li within
dir
+
+ 1.1.9.4 - 3 July 2010. Parameter
schemes now accepts
! so any URL, even a local one, can be
denied . An issue in which a second URL value in
style properties was not checked was fixed.
+
+ 1.1.9.3 - 17 May 2010. Checks for correct nesting of
param
+
+ 1.1.9.2 - 26 April 2010. Minor fix regarding rendering of denied URL schemes
+
+ 1.1.9.1 - 26 February 2010. htmLawed now uses the LGPL version 3 license; support for
flashvars attribute for
embed
+
+ 1.1.9 - 22 December 2009. Soft-hyphens are now removed only from URL-accepting attribute values
+
+ 1.1.8.1 - 16 July 2009. Minor code-change to fix a PHP error notice
+
+ 1.1.8 - 23 April 2009. Parameter
deny_attribute now accepts the wild-card
* , making it simpler to specify its value when all but a few attributes are being denied; fixed a bug in interpreting
$spec
+
+ 1.1.7 - 11-12 March 2009. Attributes globally denied through
deny_attribute can be allowed element-specifically through
$spec ;
$config["style_pass"] allowing letting through any
style value introduced; altered logic to catch certain types of dynamic crafted CSS expressions
+
+ 1.1.3-6 - 28-31 January - 4 February 2009. Altered logic to catch certain types of dynamic crafted CSS expressions
+
+ 1.1.2 - 22 January 2009. Fixed bug in parsing of
font attributes during tag transformation
+
+ 1.1.1 - 27 September 2008. Better nesting correction when omitable closing tags are absent
+
+ 1.1 - 29 June 2008.
$config["hook_tag"] and
$config["tidy"] introduced for custom tag/attribute check/modification/injection and output compaction/beautification; fixed a regex-in-$spec parsing bug
+
+ 1.0.9 - 11 June 2008. Fix for a bug in checks for invalid HTML code-point entities
+
+ 1.0.8 - 15 May 2008. Permit
bordercolor attribute for
table ,
td and
tr
+
+ 1.0.7 - 1 May 2008. Support for
wmode attribute for
embed ;
$config["show_setting"] introduced; improved
$config["elements"] evaluation
+
+ 1.0.6 - 20 April 2008.
$config["and_mark"] introduced
+
+ 1.0.5 - 12 March 2008.
style URL schemes essentially disallowed when $config
safe is on; improved regex for CSS expression search
+
+ 1.0.4 - 10 March 2008. Improved corrections for
blockquote ,
form ,
map and
noscript
+
+ 1.0.3 - 3 March 2008. Character entities for soft-hyphens are now replaced with spaces (instead of being removed); fix for a bug allowing
td directly inside
table ;
$config["safe"] introduced
+
+ 1.0.2 - 13 February 2008. Improved implementation of
$config["keep_bad"]
+
+ 1.0.1 - 7 November 2007. Improved regex for identifying URLs, protocols and dynamic expressions (
hl_tag() and
hl_prot() ); no error display with
hl_regex()
+
+ 1.0 - 2 November 2007. First release
+
+
+
+4.4 Testing
+ (to top)
+
+ To test htmLawed using a form interface, a
demo web-page is provided with the htmLawed distribution (
htmLawed.php and
htmLawedTest.php should be in the same directory on the web-server). A file with
test-cases is also provided.
+
+
+
+4.5 Upgrade, & old versions
+ (to top)
+
+ Upgrading is as simple as replacing the previous version of
htmLawed.php , assuming the file was not modified for customized features. As htmLawed output is almost always used in static documents, upgrading should not affect old, finalized content.
+
+
Note: The following upgrades may affect the functionality of a specific htmLawed installation:
+
+ (1) From version 1.1-1.1.10 to 1.1.11 or later, if a
hook_tag function is in use: In version 1.1.11 and later, elements in closing tags (and not just the opening tags) are also passed to the function. There are no attribute names/values to pass, so a
hook_tag function receives only the element name. The
hook_tag function therefore may have to be edited. See
section 3.4.9 .
+
+ (2) From version older than 1.2.beta to later, if htmLawed was used as Kses replacement with Kses code in use: In version 1.2.beta or later, htmLawed no longer provides direct support for code that uses Kses functions (see
section 2.6 ).
+
+ (3) From version older than 1.2 to later, if htmLawed is used without
$config["safe"] set to 1: Unlike previous versions, htmLawed version 1.2 and later permit
data and
javascript URL schemes by default (see
section 3.4.3 ).
+
+ Old versions of htmLawed may be available online. E.g., for version 1.0, check
http://www.bioinformatics.org/phplabware/downloads/htmLawed1.zip ; for 1.1.1,
http://www.bioinformatics.org/phplabware/downloads/htmLawed111.zip ; and for 1.1.22,
http://www.bioinformatics.org/phplabware/downloads/htmLawed1122.zip .
+
+
+
+4.6 Comparison with HTMLPurifier
+ (to top)
+
+ The HTMLPurifier PHP library by Edward Yang is a very good HTML filtering script that uses object oriented PHP code. Compared to htmLawed, it (as of year 2015):
+
+ * does not support PHP versions older than 5.0 (HTMLPurifier dropped PHP 4 support after version 2)
+
+ * is 15-20 times bigger (scores of files totalling more than 750 kb)
+
+ * consumes 10-15 times more RAM memory (just including the HTMLPurifier files without calling the filter requires a few MBs of memory)
+
+ * is expectedly slower
+
+ * lacks many of the extra features of htmLawed (like entity conversions and code compaction/beautification)
+
+ * has poor documentation
+
+ However, HTMLPurifier has finer checks for character encodings and attribute values, and can log warnings and errors. Visit the HTMLPurifier
website for updated information.
+
+
+
+4.7 Use through application plug-ins/modules
+ (to top)
+
+ Plug-ins/modules to implement htmLawed in applications such as Drupal may have been developed. Check the application websites and the htmLawed
forum .
+
+
+
+4.8 Use in non-PHP applications
+ (to top)
+
+ Non-PHP applications written in Python, Ruby, etc., may be able to use htmLawed through system calls to the PHP engine. Such code may have been documented on the internet. Also check the forum on the htmLawed
site .
+
+
+
+4.9 Donate
+ (to top)
+
+ A donation in any currency and amount to appreciate or support this software can be sent by
PayPal to this email address: drpatnaik at yahoo dot com.
+
+
+
+4.10 Acknowledgements
+ (to top)
+
+ Nicholas Alipaz, Bryan Blakey, Pádraic Brady, Dac Chartrand, Alexandre Chouinard, Ulf Harnhammer, Gareth Heyes, Hakre, Klaus Leithoff, Lukasz Pilorz, Shelley Powers, Psych0tr1a, Lincoln Russell, Tomas Sykorka, Harro Verton, Edward Yang, and many anonymous users.
+
+ Thank you!
+
+
+
+
+5 Appendices
+ (to top)
+
+5.1 Characters discouraged in XHTML
+ (to top)
+
+ Characters represented by the following hexadecimal code-points are
not invalid, even though some validators may issue messages stating otherwise.
+
+
7f to
84 ,
86 to
9f ,
fdd0 to
fddf ,
1fffe ,
1ffff ,
2fffe ,
2ffff ,
3fffe ,
3ffff ,
4fffe ,
4ffff ,
5fffe ,
5ffff ,
6fffe ,
6ffff ,
7fffe ,
7ffff ,
8fffe ,
8ffff ,
9fffe ,
9ffff ,
afffe ,
affff ,
bfffe ,
bffff ,
cfffe ,
cffff ,
dfffe ,
dffff ,
efffe ,
effff ,
ffffe ,
fffff ,
10fffe and
10ffff
+
+
+
+5.2 Valid attribute-element combinations
+ (to top)
+
+ * includes deprecated attributes (marked
^ ), attributes for microdata (marked
* ), the non-standard
bordercolor , and new-in-HTML5 attributes (marked
~ ); can have multiple comma-separated values (marked
% ); can have multiple space-separated values (marked
$ )
+ * only non-frameset, HTML body elements
+ *
name for
a and
map , and
lang are invalid in XHTML 1.1
+ *
target is valid for
a in XHTML 1.1 and higher
+ *
xml:space is only for XHTML 1.1
+
+ abbr - td, th
+ accept - form, input
+ accept-charset - form
+ action - form
+ align - applet, caption^, col, colgroup, div^, embed, h1^, h2^, h3^, h4^, h5^, h6^, hr^, iframe, img^, input^, legend^, object^, p^, table^, tbody, td, tfoot, th, thead, tr
+ allowfullscreen - iframe
+ alt - applet, area, img, input
+ archive - applet, object
+ async~ - script
+ autocomplete~ - input
+ autofocus~ - button, input, keygen, select, textarea
+ autoplay~ - audio, video
+ axis - td, th
+ bgcolor - embed, table^, td^, th^, tr^
+ border - img, object^, table
+ bordercolor - table, td, tr
+ cellpadding - table
+ cellspacing - table
+ challenge~ - keygen
+ char - col, colgroup, tbody, td, tfoot, th, thead, tr
+ charoff - col, colgroup, tbody, td, tfoot, th, thead, tr
+ charset - a, script
+ checked - command, input
+ cite - blockquote, del, ins, q
+ classid - object
+ clear - br^
+ code - applet
+ codebase - object, applet
+ codetype - object
+ color - font
+ cols - textarea
+ colspan - td, th
+ compact - dir, dl^, menu, ol^, ul^
+ content - meta
+ controls~ - audio, video
+ coords - area, a
+ crossorigin~ - img
+ data - object
+ datetime - del, ins, time
+ declare - object
+ default~ - track
+ defer - script
+ dir - bdo
+ dirname~ - input, textarea
+ disabled - button, command, fieldset, input, keygen, optgroup, option, select, textarea
+ download~ - a
+ enctype - form
+ face - font
+ flashvars** - embed
+ for - label, output
+ form~ - button, fieldset, input, keygen, label, object, output, select, textarea
+ formaction~ - button, input
+ formenctype~ - button, input
+ formmethod~ - button, input
+ formnovalidate~ - button, input
+ formtarget~ - button, input
+ frame - table
+ frameborder - iframe
+ headers - td, th
+ height - applet, canvas, embed, iframe, img, input, object, td^, th^, video
+ high~ - meter
+ href - a, area, link
+ hreflang - a, area, link
+ hspace - applet, embed, img^, object^
+ icon~ - command
+ ismap - img, input
+ keytype~ - keygen
+ keyparams~ - keygen
+ kind~ - track
+ label - command, menu, option, optgroup, track
+ language - script^
+ list~ - input
+ longdesc - img, iframe
+ loop~ - audio, video
+ low~ - meter
+ marginheight - iframe
+ marginwidth - iframe
+ max~ - input, meter, progress
+ maxlength - input, textarea
+ media~ - a, area, link, source, style
+ mediagroup~ - audio, video
+ method - form
+ min~ - input, meter
+ model** - embed
+ multiple - input, select
+ muted~ - audio, video
+ name - a^, applet^, button, embed, fieldset, form^, iframe^, img^, input, keygen, map^, object, output, param, select, textarea
+ nohref - area
+ noshade - hr^
+ novalidate~ - form
+ nowrap - td^, th^
+ object - applet
+ open~ - details
+ optimum~ - meter
+ pattern~ - input
+ ping~ - a, area
+ placeholder~ - input, textarea
+ pluginspage** - embed
+ pluginurl** - embed
+ poster~ - video
+ pqg~ - keygen
+ preload~ - audio, video
+ prompt - isindex
+ pubdate~ - time
+ radiogroup* - command
+ readonly - input, textarea
+ required~ - input, select, textarea
+ rel$ - a, area, link
+ rev - a
+ reversed~ - old
+ rows - textarea
+ rowspan - td, th
+ rules - table
+ sandbox~ - iframe
+ scope - td, th
+ scoped~ - style
+ scrolling - iframe
+ seamless~ - iframe
+ selected - option
+ shape - area, a
+ size - font, hr^, input, select
+ sizes~ - link
+ span - col, colgroup
+ src - audio, embed, iframe, img, input, script, source, track, video
+ srcdoc~ - iframe
+ srclang~ - track
+ srcset~% - img
+ standby - object
+ start - ol
+ step~ - input
+ summary - table
+ target - a, area, form
+ type - a, area, button, command, embed, input, li, link, menu, object, ol, param, script, source, style, ul
+ typemustmatch~ - object
+ usemap - img, input, object
+ valign - col, colgroup, tbody, td, tfoot, th, thead, tr
+ value - button, data, input, li, meter, option, param, progress
+ valuetype - param
+ vspace - applet, embed, img^, object^
+ width - applet, canvas, col, colgroup, embed, hr^, iframe, img, input, object, pre^, table, td^, th^, video
+ wmode - embed
+ wrap~ - textarea
+
+ The following attributes, including event-specific ones and attributes of ARIA and microdata specifications, are considered global and allowed in all elements:
+
+ accesskey, aria-activedescendant, aria-atomic, aria-autocomplete, aria-busy, aria-checked, aria-controls, aria-describedby, aria-disabled, aria-dropeffect, aria-expanded, aria-flowto, aria-grabbed, aria-haspopup, aria-hidden, aria-invalid, aria-label, aria-labelledby, aria-level, aria-live, aria-multiline, aria-multiselectable, aria-orientation, aria-owns, aria-posinset, aria-pressed, aria-readonly, aria-relevant, aria-required, aria-selected, aria-setsize, aria-sort, aria-valuemax, aria-valuemin, aria-valuenow, aria-valuetext, class$, contenteditable, contextmenu, dir, draggable, dropzone, hidden, id, inert, itemid, itemprop, itemref, itemscope, itemtype, lang, onabort, onblur, oncanplay, oncanplaythrough, onchange, onclick, oncontextmenu, oncopy, oncuechange, oncut, ondblclick, ondrag, ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop, ondurationchange, onemptied, onended, onerror, onfocus, onformchange, onforminput, oninput, oninvalid, onkeydown, onkeypress, onkeyup, onload, onloadeddata, onloadedmetadata, onloadstart, onlostpointercapture, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onmousewheel, onpaste, onpause, onplay, onplaying, onpointercancel, ongotpointercapture, onpointerdown, onpointerenter, onpointerleave, onpointermove, onpointerout, onpointerover, onpointerup, onprogress, onratechange, onreadystatechange, onreset, onsearch, onscroll, onseeked, onseeking, onselect, onshow, onstalled, onsubmit, onsuspend, ontimeupdate, ontoggle, ontouchcancel, ontouchend, ontouchmove, ontouchstart, onvolumechange, onwaiting, onwheel, role, spellcheck, style, tabindex, title, translate, xmlns, xml:base, xml:lang, xml:space
+
+ Custom
data-* attributes, where the first three characters of the value of
star (*) after lower-casing do not equal
xml and the value of
star does not have a colon (:), equal-to (=), newline, solidus (/), space, tab, or any A-Z character, are also considered global and allowed in all elements.
+
+
+
+5.3 CSS 2.1 properties accepting URLs
+ (to top)
+
+ background
+ background-image
+ content
+ cue-after
+ cue-before
+ cursor
+ list-style
+ list-style-image
+ play-during
+
+
+
+5.4 Microsoft Windows 1252 character replacements
+ (to top)
+
+ Key:
d double,
l left,
q quote,
r right,
s. single
+
+ Code-point (decimal) - hexadecimal value - replacement entity - represented character
+
+ 127 - 7f - (removed) - (not used)
+ 128 - 80 - € - euro
+ 129 - 81 - (removed) - (not used)
+ 130 - 82 - ‚ - baseline s. q
+ 131 - 83 - ƒ - florin
+ 132 - 84 - „ - baseline d q
+ 133 - 85 - … - ellipsis
+ 134 - 86 - † - dagger
+ 135 - 87 - ‡ - d dagger
+ 136 - 88 - ˆ - circumflex accent
+ 137 - 89 - ‰ - permile
+ 138 - 8a - Š - S Hacek
+ 139 - 8b - ‹ - l s. guillemet
+ 140 - 8c - Œ - OE ligature
+ 141 - 8d - (removed) - (not used)
+ 142 - 8e - Ž - Z dieresis
+ 143 - 8f - (removed) - (not used)
+ 144 - 90 - (removed) - (not used)
+ 145 - 91 - ‘ - l s. q
+ 146 - 92 - ’ - r s. q
+ 147 - 93 - “ - l d q
+ 148 - 94 - ” - r d q
+ 149 - 95 - • - bullet
+ 150 - 96 - – - en dash
+ 151 - 97 - — - em dash
+ 152 - 98 - ˜ - tilde accent
+ 153 - 99 - ™ - trademark
+ 154 - 9a - š - s Hacek
+ 155 - 9b - › - r s. guillemet
+ 156 - 9c - œ - oe ligature
+ 157 - 9d - (removed) - (not used)
+ 158 - 9e - ž - z dieresis
+ 159 - 9f - Ÿ - Y dieresis
+
+
+
+5.5 URL format
+ (to top)
+
+ An
absolute URL has a
protocol or
scheme , a
network location or
hostname , and, optional
path ,
parameters ,
query and
fragment segments. Thus, an absolute URL has this generic structure:
+
+
+
(scheme) : (//network location) /(path) ;(parameters) ?(query) #(fragment)
+
+
+ The schemes can only contain letters, digits,
+ ,
. and
- . Hostname is the portion after the
// and up to the first
/ (if any; else, up to the end) when
: is followed by a
// (e.g.,
abc.com in
ftp://abc.com/def ); otherwise, it consists of everything after the
: (e.g.,
def@abc.com in mailto:def@abc.com').
+
+
Relative URLs do not have explicit schemes and network locations; such values are inherited from a
base URL.
+
+
+
+5.6 Brief on htmLawed code
+ (to top)
+
+ Much of the code's logic and reasoning can be understood from the documentation above.
+
+ The
output of htmLawed is a text string containing the processed input. There is no custom error tracking.
+
+
Function arguments for htmLawed are:
+
+ *
$in - first argument; a text string; the
input text to be processed. Any extraneous slashes added by PHP when
magic quotes are enabled should be removed beforehand using PHP's
stripslashes() function.
+
+ *
$config - second argument; an associative array; optional; named
$C within htmLawed code. The array has keys with names like
balance and
keep_bad , and the values, which can be boolean, string, or array, depending on the key, are read to accordingly set the
configurable parameters (indicated by the keys). All configurable parameters receive some default value if the value to be used is not specified by the user through
$config .
Finalized $config is thus a filtered and possibly larger array.
+
+ *
$spec - third argument; a text string; optional. The string has rules, written in an htmLawed-designated format,
specifying element-specific attribute and attribute value restrictions. Function
hl_spec() is used to convert the string to an associative-array, named
$S within htmLawed code, for internal use.
Finalized $spec is thus an array.
+
+
Finalized $config and
$spec are made
global variables while htmLawed is at work. Values of any pre-existing global variables with same names are noted, and their values are restored after htmLawed finishes processing the input (to capture the
finalized values, the
show_settings parameter of
$config should be used). Depending on
$config , another global variable
hl_Ids , to track
id attribute values for uniqueness, may be set. Unlike the other two variables, this one is not reset (or unset) post-processing.
+
+ Except for the main
htmLawed() function, htmLawed's functions are
name-spaced using the
hl_ prefix. The
functions and their roles are:
+
+ *
hl_attrval - check attribute values against
$spec
+ *
hl_bal - balance tags and ensure proper nesting
+ *
hl_cmtcd - handle CDATA sections and HTML comments
+ *
hl_ent - handle character entities
+ *
hl_prot - check a URL scheme/protocol
+ *
hl_regex - check syntax of a regular expression
+ *
hl_spec - convert user-supplied
$spec value to one used internally
+ *
hl_tag - handle element tags and attributes
+ *
hl_tag2 - transform element tags
+ *
hl_tidy - compact/beautify HTML
+ *
hl_version - report htmLawed version
+ *
htmLawed - main function
+
+
htmLawed() finalizes
$spec (with the help of
hl_spec() ) and
$config , and globalizes them. Finalization of
$config involves setting default values if an inappropriate or invalid one is supplied. This includes calling
hl_regex() to check well-formedness of regular expression patterns if such expressions are user-supplied through
$config .
htmLawed() then removes invalid characters like nulls and
x01 and appropriately handles entities using
hl_ent() . HTML comments and CDATA sections are identified and treated as per
$config with the help of
hl_cmtcd() . When retained, the
< and
> characters identifying them, and the
< ,
> and
& characters inside them, are replaced with control characters (code-points
1 to
5 ) till any tag balancing is completed.
+
+ After this
initial processing htmLawed() identifies tags using regex and processes them with the help of
hl_tag() -- a large function that analyzes tag content, filtering it as per HTML standards,
$config and
$spec . Among other things,
hl_tag() transforms deprecated elements using
hl_tag2() , removes attributes from closing tags, checks attribute values as per
$spec rules using
hl_attrval() , and checks URL protocols using
hl_prot() .
htmLawed() performs tag balancing and nesting checks with a call to
hl_bal() , and optionally compacts/beautifies the output with proper white-spacing with a call to
hl_tidy() . The latter temporarily replaces white-space, and
< ,
> and
& characters inside
pre ,
script and
textarea elements, and HTML comments and CDATA sections with control characters (code-points
1 to
5 , and
7 ).
+
+ htmLawed permits the use of custom code or
hook functions at two stages. The first, called inside
htmLawed() , allows the input text as well as the finalized
$config and
$spec values to be altered right after the initial processing (see
section 3.7 ). The second is called by
hl_tag() once the tag content is finalized (see
section 3.4.9 ).
+
+ The functionality of htmLawed is dictated by the external HTML standards. The code of htmLawed is thus written for a clear-cut aim, with not much concern for tweaking by other developers. The code is only minimally annotated with comments -- it is not meant to instruct. PHP developers familiar with the HTML specifications will see the logic, and others can always refer to the htmLawed documentation.
+
+
+
+
HTM version of htmLawed_README.txt generated on 25 Sep, 2019 using rTxt2htm from PHP Labware
+
+
+
+
\ No newline at end of file
diff --git a/lib/htmlawed/htmLawed_README.txt b/lib/htmlawed/htmLawed_README.txt
new file mode 100755
index 0000000..7950500
--- /dev/null
+++ b/lib/htmlawed/htmLawed_README.txt
@@ -0,0 +1,1817 @@
+/*
+htmLawed_README.txt, 24 September 2019
+htmLawed 1.2.5, 24 September 2019
+Copyright Santosh Patnaik
+Dual licensed with LGPL 3 and GPL 2+
+A PHP Labware internal utility - http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed
+*/
+
+
+== Content =========================================================
+
+
+1 About htmLawed
+ 1.1 Example uses
+ 1.2 Features
+ 1.3 History
+ 1.4 License & copyright
+ 1.5 Terms used here
+ 1.6 Availability
+2 Usage
+ 2.1 Simple
+ 2.2 Configuring htmLawed using the '$config' argument
+ 2.3 Extra HTML specifications using the '$spec' argument
+ 2.4 Performance time & memory usage
+ 2.5 Some security risks to keep in mind
+ 2.6 Use with 'kses()' code
+ 2.7 Tolerance for ill-written HTML
+ 2.8 Limitations & work-arounds
+ 2.9 Examples of usage
+3 Details
+ 3.1 Invalid/dangerous characters
+ 3.2 Character references/entities
+ 3.3 HTML elements
+ 3.3.1 HTML comments & 'CDATA' sections
+ 3.3.2 Tag-transformation for better compliance with standards
+ 3.3.3 Tag balancing & proper nesting
+ 3.3.4 Elements requiring child elements
+ 3.3.5 Beautify or compact HTML
+ 3.4 Attributes
+ 3.4.1 Auto-addition of XHTML-required attributes
+ 3.4.2 Duplicate/invalid 'id' values
+ 3.4.3 URL schemes & scripts in attribute values
+ 3.4.4 Absolute & relative URLs
+ 3.4.5 Lower-cased, standard attribute values
+ 3.4.6 Transformation of deprecated attributes
+ 3.4.7 Anti-spam & 'href'
+ 3.4.8 Inline style properties
+ 3.4.9 Hook function for tag content
+ 3.5 Simple configuration directive for most valid XHTML
+ 3.6 Simple configuration directive for most `safe` HTML
+ 3.7 Using a hook function
+ 3.8 Obtaining `finalized` parameter values
+ 3.9 Retaining non-HTML tags in input with mixed markup
+4 Other
+ 4.1 Support
+ 4.2 Known issues
+ 4.3 Change-log
+ 4.4 Testing
+ 4.5 Upgrade, & old versions
+ 4.6 Comparison with 'HTMLPurifier'
+ 4.7 Use through application plug-ins/modules
+ 4.8 Use in non-PHP applications
+ 4.9 Donate
+ 4.10 Acknowledgements
+5 Appendices
+ 5.1 Characters discouraged in HTML
+ 5.2 Valid attribute-element combinations
+ 5.3 CSS 2.1 properties accepting URLs
+ 5.4 Microsoft Windows 1252 character replacements
+ 5.5 URL format
+ 5.6 Brief on htmLawed code
+
+
+== 1 About htmLawed ================================================
+
+
+ htmLawed is a PHP script to process text with HTML markup to make it more compliant with HTML standards and with administrative policies. It works by making HTML well-formed with balanced and properly nested tags, neutralizing code that introduces a security vulnerability or is used for cross-site scripting (XSS) attacks, allowing only specified HTML tags and attributes, and so on. Such `lawing in` of HTML code ensures that it is in accordance with the aesthetics, safety and usability requirements set by administrators.
+
+ htmLawed is highly customizable, and fast with low memory usage. Its free and open-source code is in one small file. It does not require extensions or libraries, and works in older versions of PHP as well. It is a good alternative to the HTML Tidy:- http://tidy.sourceforge.net application.
+
+
+-- 1.1 Example uses ------------------------------------------------
+
+
+ * Filtering of text submitted as comments on blogs to allow only certain HTML elements
+
+ * Making RSS newsfeed items standard-compliant: often one uses an excerpt from an HTML document for the content, and with unbalanced tags, non-numerical entities, etc., such excerpts may not be XML-compliant
+
+ * Beautifying or pretty-printing HTML code
+
+ * Text processing for stricter XML standard-compliance: e.g., to have lowercased 'x' in hexadecimal numeric entities becomes necessary if an HTML document with MathML content needs to be served as 'application/xml'
+
+ * Scraping text from web-pages
+
+ * Transforming an HTML element to another
+
+
+-- 1.2 Features ---------------------------------------------------o
+
+
+ Key: '*' security feature, '^' standard compliance, '~' requires setting right options
+
+ htmLawed:
+
+ * makes input more *secure* and *standard-compliant* for HTML as well as generic *XML* documents ^
+ * supports markup for *HTML 5* and *microdata, ARIA, Ruby, custom attributes*, etc. ^
+ * can *beautify* or *compact* HTML ~
+ * works with input of almost any *character encoding* and does not affect it
+ * has good *tolerance for ill-written HTML*
+
+ * can enforce *restricted use of elements* *~
+ * ensures proper closure of empty elements like 'img' ^
+ * *transforms deprecated elements* like 'font' ^~
+ * can permit HTML *comments* and *CDATA* sections ^~
+ * can permit all elements, including 'script', 'object' and 'form' ~
+
+ * can *restrict attributes by element* ^~
+ * removes *invalid attributes* ^
+ * lower-cases element and attribute names ^
+ * provides *required attributes*, like 'alt' for 'image' ^
+ * *transforms deprecated attributes* ^~
+ * ensures attributes are *declared only once* ^
+ * permits *custom*, non-standard attributes as well as custom rules for standard attributes ~
+
+ * declares value for `empty` (`minimized` or `boolean`) attributes like 'checked' ^
+ * checks for potentially dangerous attribute values *~
+ * ensures *unique* 'id' attribute values ^~
+ * *double-quotes* attribute values ^
+ * lower-cases *standard attribute values* like 'password' ^
+
+ * can restrict *URL protocol/scheme by attribute* *~
+ * can disable *dynamic expressions* in 'style' values *~
+
+ * neutralizes invalid named *character entities* ^
+ * converts hexadecimal numeric entities to decimal ones, or vice versa ^~
+ * converts named entities to numeric ones for generic XML use ^~
+
+ * removes *null* characters *
+ * neutralizes potentially dangerous proprietary Netscape *Javascript entities* *
+ * replaces potentially dangerous *soft-hyphen* character in URL-accepting attribute values with spaces *
+
+ * removes common *invalid characters* not allowed in HTML or XML ^
+ * replaces *characters from Microsoft applications* like 'Word' that are discouraged in HTML or XML ^~
+ * neutralize entities for characters invalid or discouraged in HTML or XML ^
+ * appropriately neutralize '<', '&', '"', and '>' characters ^*
+
+ * understands improperly spaced tag content (e.g., spread over more than a line) and properly spaces them
+ * attempts to *balance tags* for well-formedness ^~
+ * understands when *omitable closing tags* like '' are missing ^~
+ * attempts to permit only *validly nested tags* ^~
+ * can *either remove or neutralize bad content* ^~
+ * attempts to *rectify common errors of plain-text misplacement* (e.g., directly inside 'blockquote') ^~
+
+ * has optional *anti-spam* measures such as addition of 'rel="nofollow"' and link-disabling ~
+ * optionally makes *relative URLs absolute*, and vice versa ~
+
+ * optionally marks '&' to identify the entities for '&', '<' and '>' introduced by it ~
+
+ * allows deployment of powerful *hook functions* to *inject* HTML, *consolidate* 'style' attributes to 'class', finely check attribute values, etc. ~
+
+
+-- 1.3 History ----------------------------------------------------o
+
+
+ htmLawed was created in 2007 for use with 'LabWiki', a wiki software developed at PHP Labware, as a suitable software could not be found. Existing PHP software like 'Kses' and 'HTMLPurifier' were deemed inadequate, slow, resource-intensive, or dependent on an extension or external application like 'HTML Tidy'. The core logic of htmLawed, that of identifying HTML elements and attributes, was based on the 'Kses' (version 0.2.2) HTML filter software of Ulf Harnhammar (it can still be used with code that uses 'Kses'; see section:- #2.6.). Support for HTML version 5 was added in May 2013 in a beta and in February 2017 in a production release.
+
+ See section:- #4.3 for a detailed log of changes in htmLawed over the years, and section:- #4.10 for acknowledgements.
+
+
+-- 1.4 License & copyright ----------------------------------------o
+
+
+ htmLawed is free and open-source software, copyrighted by Santosh Patnaik, MD, PhD, and dual-licensed with LGPL version 3:- http://www.gnu.org/licenses/lgpl-3.0.txt, and GPL version 2:- http://www.gnu.org/licenses/gpl-2.0.txt (or later) licenses.
+
+
+-- 1.5 Terms used here --------------------------------------------o
+
+
+ In this document, only HTML body-level elements are considered. htmLawed does not have support for head-level elements, 'body', and the frame-level elements, 'frameset', 'frame' and 'noframes', and these elements are ignored here.
+
+ * `administrator` - or admin; person setting up the code that utilizes htmLawed; also, `user`
+ * `attributes` - name-value pairs like 'href="http://x.com"' in opening tags
+ * `author` - see `writer`
+ * `character` - atomic unit of text; internally represented by a numeric `code-point` as specified by the `encoding` or `charset` in use
+ * `entity` - markup like '>' and ' ' used to refer to a character
+ * `element` - HTML element like 'a' and 'img'
+ * `element content` - content between the opening and closing tags of an element, like 'click' of the '
click ' element
+ * `HTML` - implies XHTML unless specified otherwise
+ * `HTML body` - content in the `body` container of an HTML document
+ * `input` - text given to htmLawed to process
+ * `legal` – standard-compliant; also, `valid`
+ * `processing` - involves filtering, correction, etc., of input
+ * `safe` - absence or reduction of certain characters and HTML elements and attributes in HTML of text that can otherwise potentially, and circumstantially, expose text readers to security vulnerabilities like cross-site scripting attacks (XSS)
+ * `scheme` - a URL protocol like 'http' and 'ftp'
+ * `specification` - detailed description including rules that define HTML
+ * `standard` – widely accepted specification
+ * `style property` - terms like 'border' and 'height' for which declarations are made in values for the 'style' attribute of elements
+ * `tag` - markers like '
' and ' ' delineating element content; the opening tag can contain attributes
+ * `tag content` - consists of tag markers '<' and '>', element names like 'div', and possibly attributes
+ * `user` - administrator
+ * `valid` - see `legal`
+ * `writer` - end-user like a blog commenter providing the input that is to be processed; also, `author`
+ * `XHTML` - XML-compliant HTML; parsing rules for XHTML are more strict than for regular HTML
+
+
+-- 1.6 Availability -----------------------------------------------o
+
+
+ htmLawed can be downloaded for free at its website:- http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed. Besides the 'htmLawed.php' file, the download has the htmLawed documentation (this document) in plain text:- htmLawed_README.txt and HTML:- htmLawed_README.htm formats, a script for testing:- htmLawedTest.php, and a text file for test-cases:- htmLawed_TESTCASE.txt. htmLawed is also available as a PHP class (OOP code) at its website.
+
+
+== 2 Usage =======================================================oo
+
+
+ htmLawed works in PHP version 4.4 or higher. Either 'include()' the 'htmLawed.php' file, or copy-paste the entire code.
+
+ To use with PHP 4.3, have the following code included:
+
+ if(!function_exists('ctype_digit')){
+ function ctype_digit($var){
+ return ((int) $var == $var);
+ }
+ }
+
+
+-- 2.1 Simple ------------------------------------------------------
+
+
+ The input text to be processed, '$text', is passed as an argument of type string; 'htmLawed()' returns the processed string:
+
+ $processed = htmLawed($text);
+
+ With the 'htmLawed class' (section:- #1.6), usage is:
+
+ $processed = htmLawed::hl($text);
+
+ *Notes*: (1) If input is from a '$_GET' or '$_POST' value, and 'magic quotes' are enabled on the PHP setup, run 'stripslashes()' on the input before passing to htmLawed. (2) htmLawed does not have support for head-level elements, 'body', and the frame-level elements, 'frameset', 'frame' and 'noframes'.
+
+ By default, htmLawed will process the text allowing all valid HTML elements/tags and commonly used URL schemes and CSS style properties. It will allow Javascript code, 'CDATA' sections and HTML comments, balance tags, and ensure proper nesting of elements. Such actions can be configured using two other optional arguments -- '$config' and '$spec':
+
+ $processed = htmLawed($text, $config, $spec);
+
+ The '$config' and '$spec' arguments are detailed below. Some examples are shown in section:- #2.9. For maximum protection against 'XSS' and other security vulnerabilities, consider using the 'safe' parameter; see section:- #3.6.
+
+
+-- 2.2 Configuring htmLawed using the '$config' argument ---------o
+
+
+ '$config' instructs htmLawed on how to tackle certain tasks. When '$config' is not specified, or not set as an array (e.g., '$config = 1'), htmLawed will take default actions. One or many of the task-action or parameter-value pairs can be specified in '$config' as array key-value pairs. If a parameter is not specified, htmLawed will use the default value for it, indicated further below. In PHP code, parameter values that are integers should not be quoted and should be used as numeric types (unless meant as string/text). Thus, for instance:
+
+ $config = array('comment'=>0, 'cdata'=>1, 'elements'=>'a, b, strong');
+ $processed = htmLawed($text, $config);
+
+ Below are the various parameters that can be specified in '$config'.
+
+ Key: '*' default, '^' different from htmLawed versions below 1.2, '~' different default when 'valid_xhtml' is set to '1' (see section:- #3.5), '"' different default when 'safe' is set to '1' (see section:- #3.6)
+
+ *abs_url*
+ Make URLs absolute or relative; '$config["base_url"]' needs to be set; see section:- #3.4.4
+
+ '-1' - make relative
+ '0' - no action *
+ '1' - make absolute
+
+ *and_mark*
+ Mark '&' characters in the original input; see section:- #3.2
+
+ *anti_link_spam*
+ Anti-link-spam measure; see section:- #3.4.7
+
+ '0' - no measure taken *
+ `array("regex1", "regex2")` - will ensure a 'rel' attribute with 'nofollow' in its value in case the 'href' attribute value matches the regular expression pattern 'regex1', and/or will remove 'href' if its value matches the regular expression pattern 'regex2'. E.g., 'array("/./", "/://\W*(?!(abc\.com|xyz\.org))/")'; see section:- #3.4.7 for more.
+
+ *anti_mail_spam*
+ Anti-mail-spam measure; see section:- #3.4.7
+
+ '0' - no measure taken *
+ `word` - '@' in mail address in 'href' attribute value is replaced with specified `word`
+
+ *balance*
+ Balance tags for well-formedness and proper nesting; see section:- #3.3.3
+
+ '0' - no
+ '1' - yes *
+
+ *base_url*
+ Base URL value that needs to be set if '$config["abs_url"]' is not '0'; see section:- #3.4.4
+
+ *cdata*
+ Handling of 'CDATA' sections; see section:- #3.3.1
+
+ '0' - don't consider 'CDATA' sections as markup and proceed as if plain text "
+ '1' - remove
+ '2' - allow, but neutralize any '<', '>', and '&' inside by converting them to named entities
+ '3' - allow *
+
+ *clean_ms_char*
+ Replace `discouraged` characters introduced by Microsoft Word, etc.; see section:- #3.1
+
+ '0' - no *
+ '1' - yes
+ '2' - yes, but replace special single & double quotes with ordinary ones
+
+ *comment*
+ Handling of HTML comments; see section:- #3.3.1
+
+ '0' - don't consider comments as markup and proceed as if plain text "
+ '1' - remove
+ '2' - allow, but neutralize any '<', '>', and '&' inside by converting to named entities
+ '3' - allow *
+
+ *css_expression*
+ Allow dynamic CSS expression by not removing the expression from CSS property values in 'style' attributes; see section:- #3.4.8
+
+ '0' - remove *
+ '1' - allow
+
+ *deny_attribute*
+ Denied HTML attributes; see section:- #3.4
+
+ '0' - none *
+ `string` - dictated by values in `string`
+ 'on*' - on* event attributes like 'onfocus' not allowed "
+
+ *direct_nest_list*
+ Allow direct nesting of a list within another without requiring it to be a list item; see section:- #3.3.4
+
+ '0' - no *
+ '1' - yes
+
+ *elements*
+ Allowed HTML elements; see section:- #3.3
+
+ `all` - *^
+ '* -acronym -big -center -dir -font -isindex -s -strike -tt' - ~^
+ `applet, audio, canvas, embed, iframe, object, script, and video elements not allowed` - "^
+
+ *hexdec_entity*
+ Allow hexadecimal numeric entities and do not convert to the more widely accepted decimal ones, or convert decimal to hexadecimal ones; see section:- #3.2
+
+ '0' - no
+ '1' - yes *
+ '2' - convert decimal to hexadecimal ones
+
+ *hook*
+ Name of an optional hook function to alter the input string, '$config' or '$spec' before htmLawed enters the main phase of its work; see section:- #3.7
+
+ '0' - no hook function *
+ `name` - `name` is name of the hook function
+
+ *hook_tag*
+ Name of an optional hook function to alter tag content finalized by htmLawed; see section:- #3.4.9
+
+ '0' - no hook function *
+ `name` - `name` is name of the hook function
+
+ *keep_bad*
+ Neutralize `bad` tags by converting their '<' and '>' characters to entities, or remove them; see section:- #3.3.3
+
+ '0' - remove
+ '1' - neutralize both tags and element content
+ '2' - remove tags but neutralize element content
+ '3' and '4' - like '1' and '2' but remove if text ('pcdata') is invalid in parent element
+ '5' and '6' * - like '3' and '4' but line-breaks, tabs and spaces are left
+
+ *lc_std_val*
+ For XHTML compliance, predefined, standard attribute values, like 'get' for the 'method' attribute of 'form', must be lowercased; see section:- #3.4.5
+
+ '0' - no
+ '1' - yes *
+
+ *make_tag_strict*
+ Transform or remove these deprecated HTML elements, even if they are allowed by the admin: acronym, applet, big, center, dir, font, isindex, s, strike, tt; see section:- #3.3.2
+
+ '0' - no
+ '1' - yes, but leave 'applet' and 'isindex' that currently cannot be transformed *^
+ '2' - yes, removing 'applet' and 'isindex' elements and their contents (nested elements remain) ~^
+
+ *named_entity*
+ Allow non-universal named HTML entities, or convert to numeric ones; see section:- #3.2
+
+ '0' - convert
+ '1' - allow *
+
+ *no_deprecated_attr*
+ Allow deprecated attributes or transform them; see section:- #3.4.6
+
+ '0' - allow
+ '1' - transform, but 'name' attributes for 'a' and 'map' are retained *
+ '2' - transform
+
+ *parent*
+ Name of the parent element, possibly imagined, that will hold the input; see section:- #3.3
+
+ *safe*
+ Magic parameter to make input the most secure against vulnerabilities like XSS without needing to specify other relevant '$config' parameters; see section:- #3.6
+
+ '0' - no *
+ '1' - will auto-adjust other relevant '$config' parameters (indicated by '"' in this list) ^
+
+ *schemes*
+ Array of attribute-specific, comma-separated, lower-cased list of schemes (protocols) allowed in attributes accepting URLs (or '!' to `deny` any URL); '*' covers all unspecified attributes; see section:- #3.4.3
+
+ 'href: aim, app, feed, file, ftp, gopher, http, https, javascript, irc, mailto, news, nntp, sftp, ssh, tel, telnet; *:data, file, http, https, javascript' *^
+ 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet; style: !; *:file, http, https' "
+
+ *show_setting*
+ Name of a PHP variable to assign the `finalized` '$config' and '$spec' values; see section:- #3.8
+
+ *style_pass*
+ Ignore 'style' attribute values, letting them through without any alteration
+
+ '0' - no *
+ '1' - htmLawed will let through any 'style' value; see section:- #3.4.8
+
+ *tidy*
+ Beautify or compact HTML code; see section:- #3.3.5
+
+ '-1' - compact
+ '0' - no *
+ '1' or `string` - beautify (custom format specified by 'string')
+
+ *unique_ids*
+ 'id' attribute value checks; see section:- #3.4.2
+
+ '0' - no
+ '1' - remove duplicate and/or invalid ones *
+ `word` - remove invalid ones and replace duplicate ones with new and unique ones based on the `word`; the admin-specified `word` cannot contain a space character
+
+ *valid_xhtml*
+ Magic parameter to make input the most valid XHTML without needing to specify other relevant '$config' parameters; see section:- #3.5
+
+ '0' - no *
+ '1' - will auto-adjust other relevant '$config' parameters (indicated by '~' in this list)
+
+ *xml:lang*
+ Auto-add 'xml:lang' attribute; see section:- #3.4.1
+
+ '0' - no *
+ '1' - add if 'lang' attribute is present
+ '2' - add if 'lang' attribute is present, and remove 'lang' ~
+
+
+-- 2.3 Extra HTML specifications using the $spec parameter --------o
+
+
+ The '$spec' argument of htmLawed can be used to disallow an otherwise legal attribute for an element, or to restrict the attribute's values. This can also be helpful as a security measure (e.g., in certain versions of browsers, certain values can cause buffer overflows and denial of service attacks), or in enforcing admin policies. '$spec' is specified as a string of text containing one or more `rules`, with multiple rules separated from each other by a semi-colon (';'). E.g.,
+
+ $spec = 'i=-*; td, tr=style, id, -*; a=id(match="/[a-z][a-z\d.:\-`"]*/i"/minval=2), href(maxlen=100/minlen=34); img=-width,-alt';
+ $processed = htmLawed($text, $config, $spec);
+
+ Or,
+
+ $processed = htmLawed($text, $config, 'i=-*; td, tr=style, id, -*; a=id(match="/[a-z][a-z\d.:\-`"]*/i"/minval=2), href(maxlen=100/minlen=34); img=-width,-alt');
+
+ A rule begins with an HTML *element* name(s) (`rule-element`), for which the rule applies, followed by an equal-to (=) sign. A rule-element may represent multiple elements if comma (,)-separated element names are used. E.g., 'th,td,tr='.
+
+ Rest of the rule consists of comma-separated HTML *attribute names*. A minus (-) character before an attribute means that the attribute is not permitted inside the rule-element. E.g., '-width'. To deny all attributes, '-*' can be used.
+
+ Following shows examples of rule excerpts with rule-element 'a' and the attributes that are being permitted:
+
+ * 'a=' - all
+ * 'a=id' - all
+ * 'a=href, title, -id, -onclick' - all except 'id' and 'onclick'
+ * 'a=*, id, -id' - all except 'id'
+ * 'a=-*' - none
+ * 'a=-*, href, title' - none except 'href' and 'title'
+ * 'a=-*, -id, href, title' - none except 'href' and 'title'
+
+ Rules regarding *attribute values* are optionally specified inside round brackets after attribute names in solidus (/)-separated `parameter = value` pairs. E.g., 'title(maxlen=30/minlen=5)'. None or one or more of the following parameters may be specified:
+
+ * 'oneof' - one or more choices separated by '|' that the value should match; if only one choice is provided, then the value must match that choice; matching is case-sensitive
+
+ * 'noneof' - one or more choices separated by '|' that the value should not match; matching is case-sensitive
+
+ * 'maxlen' and 'minlen' - upper and lower limits for the number of characters in the attribute value; specified in numbers
+
+ * 'maxval' and 'minval' - upper and lower limits for the numerical value specified in the attribute value; specified in numbers
+
+ * 'match' and 'nomatch' - pattern that the attribute value should or should not match; specified as PHP/PCRE-compatible regular expressions with delimiters and possibly modifiers (e.g., to specify case-sensitivity for matching)
+
+ * 'default' - a value to force on the attribute if the value provided by the writer does not fit any of the specified parameters
+
+ If 'default' is not set and the attribute value does not satisfy any of the specified parameters, then the attribute is removed. The 'default' value can also be used to force all attribute declarations to take the same value (by getting the values declared illegal by setting, e.g., 'maxlen' to '-1').
+
+ Examples with `input` '
' are shown below.
+
+ `Rule`: 'input=title(maxlen=60/minlen=6), value'
+ `Output`: '
'
+
+ `Rule`: 'input=title(), value(maxval=8/default=6)'
+ `Output`: '
'
+
+ `Rule`: 'input=title(nomatch=%w.d%i), value(match=%em%/default=6em)'
+ `Output`: '
'
+
+ `Rule`: 'input=class(noneof=ic2|ic3/oneof=ic1|ic4), title(oneof=height|depth/default=depth), value(noneof=5|6)'
+ `Output`: '
'
+
+ *Special characters*: The characters ';', ',', '/', '(', ')', '|', '~' and space have special meanings in the rules. Words in the rules that use such characters, or the characters themselves, should be `escaped` by enclosing in pairs of double-quotes ('"'). A back-tick ('`') can be used to escape a literal '"'. An example rule illustrating this is 'input=value(maxlen=30/match="/^\w/"/default="your `"ID`"")'.
+
+ *Attributes that accept multiple values*: If an attribute is 'accesskey', 'class', 'itemtype' or 'rel', which can have multiple, space-separated values, or 'srcset', which can have multiple, comma-separated values, htmLawed will parse the attribute value for such multiple values and will individually test each of them.
+
+ *Note*: To deny an attribute for all elements for which it is legal, '$config["deny_attribute"]' (see section:- #3.4) can be used instead of '$spec'. Also, attributes can be allowed element-specifically through '$spec' while being denied globally through '$config["deny_attribute"]'. The 'hook_tag' parameter (section:- #3.4.9) can also be possibly used to implement a functionality like that achieved using '$spec' functionality.
+
+ *Note*: Attributes' specifications for an element may be set through multiple rules. In case of conflict, the attribute specification in the first rule will get precedence.
+
+ '$spec' can also be used to permit custom, non-standard attributes as well as custom rules for standard attributes. Thus, the following value of '$spec' will permit the custom uses of the standard 'rel' attribute in 'input' (not permitted as per standards) and of a non-standard attribute, 'vFlag', in 'img'.
+
+ $spec = 'img=vFlag; input=rel'
+
+ The attribute names must begin with an alphabet and cannot have space, equal-to (=) and solidus (/) characters.
+
+
+-- 2.4 Performance time & memory usage ----------------------------o
+
+
+ The time and memory consumed during text processing by htmLawed depends on its configuration, the size of the input, and the amount, nestedness and well-formedness of the HTML markup within the input. In particular, tag balancing and beautification each can increase the processing time by about a quarter.
+
+ The htmLawed demo:- htmLawedTest.php can be used to evaluate the performance and effects of different types of input and '$config'.
+
+
+-- 2.5 Some security risks to keep in mind ------------------------o
+
+
+ When setting the parameters/arguments (like those to allow certain HTML elements) for use with htmLawed, one should bear in mind that the setting may let through potentially `dangerous` HTML code which is meant to steal user-data, deface a website, render a page non-functional, etc. Unless end-users, either people or software, supplying the content are completely trusted, security issues arising from the degree of HTML usage permitted through htmLawed's setting should be considered. For example, following increase security risks:
+
+ * Allowing 'script', 'applet', 'embed', 'iframe', 'canvas', 'audio', 'video' or 'object' elements, or certain of their attributes like 'allowscriptaccess'
+
+ * Allowing HTML comments (some Internet Explorer versions are vulnerable with, e.g., ''
+
+ * Allowing dynamic CSS expressions (some Internet Explorer versions are vulnerable)
+
+ * Allowing the 'style' attribute
+
+ To remove `unsecure` HTML, code-developers using htmLawed must set '$config' appropriately. E.g., '$config["elements"] = "* -script"' to deny the 'script' element (section:- #3.3), '$config["safe"] = 1' to auto-configure ceratin htmLawed parameters for maximizing security (section:- #3.6), etc.
+
+ Permitting the '*style*' attribute brings in risks of `click-jacking`, `phishing`, web-page overlays, etc., `even` when the 'safe' parameter is enabled (see section:- #3.6). Except for URLs and a few other things like CSS dynamic expressions, htmLawed currently does not check every CSS style property. It does provide ways for the code-developer implementing htmLawed to do such checks through htmLawed's '$spec' argument, and through the 'hook_tag' parameter (see section:- #3.4.8 for more). Disallowing 'style' completely and relying on CSS classes and stylesheet files is recommended.
+
+ htmLawed does not check or correct the character *encoding* of the input it receives. In conjunction with permissive circumstances, such as when the character encoding is left undefined through HTTP headers or HTML 'meta' tags, this can allow for an exploit (like Google's `UTF-7/XSS` vulnerability of the past).
+
+ Ocassionally, though very rarely, the default settings with which htmLawed runs may change between different versions of htmLawed. Admins should keep this in mind when upgrading htmLawed. Important changes in htmLawed's default behavior in new releases of the software are noted in section:- #4.5 on upgrades.
+
+
+-- 2.6 Use with 'kses()' code -------------------------------------o
+
+
+ The 'Kses' PHP script for HTML filtering is used by many applications (like 'WordPress', as in year 2012). It is possible to have such applications use htmLawed instead, since it is compatible with code that calls the 'kses()' function declared in the 'Kses' file (usually named 'kses.php'). E.g., application code like this will continue to work after replacing 'Kses' with htmLawed:
+
+ $comment_filtered = kses($comment_input, array('a'=>array(), 'b'=>array(), 'i'=>array()));
+
+ If the application uses a 'Kses' file that has the 'kses()' function declared, then, to have the application use htmLawed instead of 'Kses', rename 'htmLawed.php' (to 'kses.php', e.g.) and replace the 'Kses' file (or just replace the code in the 'Kses' file with the htmLawed code). If the 'kses()' function in the 'Kses' file had been renamed by the application developer (e.g., in 'WordPress', it is named 'wp_kses()'), then appropriately rename the 'kses()' function in the htmLawed code. Then, add the following code (which was a part of htmLawed prior to version 1.2):
+
+ // kses compatibility
+ function kses($t, $h, $p=array('http', 'https', 'ftp', 'news', 'nntp', 'telnet', 'gopher', 'mailto')){
+ foreach($h as $k=>$v){
+ $h[$k]['n']['*'] = 1;
+ }
+ $C['cdata'] = $C['comment'] = $C['make_tag_strict'] = $C['no_deprecated_attr'] = $C['unique_ids'] = 0;
+ $C['keep_bad'] = 1;
+ $C['elements'] = count($h) ? strtolower(implode(',', array_keys($h))) : '-*';
+ $C['hook'] = 'kses_hook';
+ $C['schemes'] = '*:'. implode(',', $p);
+ return htmLawed($t, $C, $h);
+ }
+
+ function kses_hook($t, &$C, &$S){
+ return $t;
+ }
+
+ If the 'Kses' file used by the application has been significantly altered by the application developers, then one may need a different approach. E.g., with 'WordPress' (as in the year 2012), it is best to copy the htmLawed code, along with the above-mentioned additions, to 'wp_includes/kses.php', rename the newly added function 'kses()' to 'wp_kses()', and delete the code for the original 'wp_kses()' function.
+
+ If the 'Kses' code has a non-empty hook function (e.g., 'wp_kses_hook()' in case of 'WordPress'), then the code for htmLawed's 'kses_hook()' function should be appropriately edited. However, the requirement of the hook function should be re-evaluated considering that htmLawed has extra capabilities. With 'WordPress', the hook function is an essential one. The following code is suggested for the htmLawed 'kses_hook()' in case of 'WordPress':
+
+ // kses compatibility
+ function kses_hook($string, &$cf, &$spec){
+ $allowed_html = $spec;
+ $allowed_protocols = array();
+ foreach($cf['schemes'] as $v){
+ foreach($v as $k2=>$v2){
+ if(!in_array($k2, $allowed_protocols)){
+ $allowed_protocols[] = $k2;
+ }
+ }
+ }
+ return wp_kses_hook($string, $allowed_html, $allowed_protocols);
+ }
+
+
+-- 2.7 Tolerance for ill-written HTML -----------------------------o
+
+
+ htmLawed can work with ill-written HTML code in the input. However, HTML that is too ill-written may not be `read` as HTML, and may therefore get identified as mere plain text. Following statements indicate the degree of `looseness` that htmLawed can work with, and can be provided in instructions to writers:
+
+ * Tags must be flanked by '<' and '>' with no '>' inside -- any needed '>' should be put in as '>'. It is possible for tag content (element name and attributes) to be spread over many lines instead of being on one. A space may be present between the tag content and '>', like '
' and '
', but not after the '<'.
+
+ * Element and attribute names need not be lower-cased.
+
+ * Attribute string of elements may be liberally spaced with tabs, line-breaks, etc.
+
+ * Attribute values may be single- and not double-quoted.
+
+ * Left-padding of numeric entities (like, ' ', '&x07ff;') with '0' is okay as long as the number of characters between between the '&' and the ';' does not exceed 8. All entities must end with ';' though.
+
+ * Named character entities must be properly cased. Thus, '≪' or '&TILDE;' will not be recognized as entities and will be `neutralized`.
+
+ * HTML comments should not be inside element tags (they can be between tags), and should begin with ''. Characters like '<', '>', and '&' may be allowed inside depending on '$config', but any '-->' inside should be put in as '-->'. Any '--' inside will be automatically converted to '-', and a space will be added before the '-->' comment-closing marker unless '$config["comments"]' is set to '4' (section:- #3.3.1).
+
+ * 'CDATA' sections should not be inside element tags, and can be in element content only if plain text is allowed for that element. They should begin with '<[CDATA[' and end with ']]>'. Characters like '<', '>', and '&' may be allowed inside depending on '$config', but any ']]>' inside should be put in as ']]>'.
+
+ * For attribute values, character entities '<', '>' and '&' should be used instead of characters '<' and '>', and '&' (when '&' is not part of a character entity). This applies even for Javascript code in values of attributes like 'onclick'.
+
+ * Characters '<', '>', '&' and '"' that are part of actual Javascript, etc., code in 'script' elements should be used as such and not be put in as entities like '>'. Otherwise, though the HTML will be valid, the code may fail to work. Further, if such characters have to be used, then they should be put inside 'CDATA' sections.
+
+ * Simple instructions like "an opening tag cannot be present between two closing tags" and "nested elements should be closed in the reverse order of how they were opened" can help authors write balanced HTML. If tags are imbalanced, htmLawed will try to balance them, but in the process, depending on '$config["keep_bad"]', some code/text may be lost.
+
+ * Input authors should be notified of admin-specified allowed elements, attributes, configuration values (like conversion of named entities to numeric ones), etc.
+
+ * With '$config["unique_ids"]' not '0' and the 'id' attribute being permitted, writers should carefully avoid using duplicate or invalid 'id' values as even though htmLawed will correct/remove the values, the final output may not be the one desired. E.g., when '
' is processed into
+'
'.
+
+ * Even if intended HTML is lost from an ill-written input, the processed output will be more secure and standard-compliant.
+
+ * For URLs, unless '$config["scheme"]' is appropriately set, writers should avoid using escape characters or entities in schemes. E.g., 'http' (which many browsers will read as the harmless 'http') may be considered bad by htmLawed.
+
+ * htmLawed will attempt to put plain text present directly inside 'blockquote', 'form', 'map' and 'noscript' elements (illegal as per the specifications) inside auto-generated 'div' elements during tag balancing (section:- #3.3.3).
+
+
+-- 2.8 Limitations & work-arounds ---------------------------------o
+
+
+ htmLawed's main objective is to make the input text `more` standard-compliant, secure for readers, and free of HTML elements and attributes considered undesirable by the administrator. Some of its current limitations, regardless of this objective, are noted below along with possible work-arounds.
+
+ It should be borne in mind that no browser application is 100% standard-compliant, standard specifications continue to evolve, and many browsers accept commonly used non-standard HTML. Regarding security, note that `unsafe` HTML code is not legally invalid per se.
+
+ * By default, htmLawed will not strictly adhere to the `current` HTML standard. Admins can configure htmLawed to be more strict about standard compliance. Standard specification for HTML is continuously evolving. There are two bodies (W3C:- http://www.w3c.org and WHATWG:- http://www.whatwg.org) that specify the standard and their specifications are not identical. E.g., as in mid-2013, the 'border' attribute is valid in 'table' as per W3C but not WHATWG. Thus, htmLawed may not be fully compliant with the standard of a specific group. The HTML standards/rules that htmLawed uses in its logic are a mix of the W3C and WHATWG standards, and can be lax because of the laxity of HTML interpreters (browsers) regarding standards.
+
+ * In general, htmLawed processes input to generate output that is most likely to be standard-compatible in most users' browsers. Thus, for example, it does not enforce the required value of '0' on 'border' attribute of 'img' (an HTML version 5 specification).
+
+ * htmLawed is meant for input that goes into the 'body' of HTML documents. HTML's head-level elements are not supported, nor are the frame-specific elements 'frameset', 'frame' and 'noframes'. However, content of the latter elements can be individually filtered through htmLawed.
+
+ * It cannot handle input that has non-HTML code like 'SVG' and 'MathML'. One way around is to break the input into pieces and passing only those without non-HTML code to htmLawed. Another is described in section:- #3.9. A third way may be to some how take advantage of the '$config["and_mark"]' parameter (see section:- #3.2).
+
+ * By default, htmLawed won't check many attribute values for standard compliance. E.g., 'width="20m"' with the dimension in non-standard 'm' is let through. Implementing universal and strict attribute value checks can make htmLawed slow and resource-intensive. Admins should look at the 'hook_tag' parameter (section:- #3.4.9) or '$spec' to enforce finer checks on attribute values.
+
+ * By default, htmLawed considers all ARIA, data-*, event and microdata attributes as global attributes and permits them in all elements. This is not strictly standard-compliant. E.g., the 'itemtype' microdata attribute is permitted only in elements that also have the 'itemscope' attribute. Admins can configure htmLawed to be more strict about this (section:- #2.3).
+
+ * The attributes, deprecated (which can be transformed too) or not, that it supports are largely those that are in the specifications. Only a few of the proprietary attributes are supported. However, '$spec' can be used to allow custom attributes (section:- #2.3).
+
+ * Except for contained URLs and dynamic expressions (also optional), htmLawed does not check CSS style property values. Admins should look at using the 'hook_tag' parameter (section:- #3.4.9) or '$spec' for finer checks. Perhaps the best option is to disallow 'style' but allow 'class' attributes with the right 'oneof' or 'match' values for 'class', and have the various class style properties in '.css' CSS stylesheet files.
+
+ * htmLawed does not parse emoticons, decode `BBcode`, or `wikify`, auto-converting text to proper HTML. Similarly, it won't convert line-breaks to 'br' elements. Such functions are beyond its purview. Admins should use other code to pre- or post-process the input for such purposes.
+
+ * htmLawed cannot be used to have links force-opened in new windows (by auto-adding appropriate 'target' and 'onclick' attributes to 'a'). Admins should look at Javascript-based DOM-modifying solutions for this. Admins may also be able to use a custom hook function to enforce such checks ('hook_tag' parameter; see section:- #3.4.9).
+
+ * Nesting-based checks are not possible. E.g., one cannot disallow 'p' elements specifically inside 'td' while permitting it elsewhere. Admins may be able to use a custom hook function to enforce such checks ('hook_tag' parameter; see section:- #3.4.9).
+
+ * Except for optionally converting absolute or relative URLs to the other type, htmLawed will not alter URLs (e.g., to change the value of query strings or to convert 'http' to 'https'. Having absolute URLs may be a standard-requirement, e.g., when HTML is embedded in email messages, whereas altering URLs for other purposes is beyond htmLawed's goals. Admins may be able to use a custom hook function to enforce such checks ('hook_tag' parameter; see section:- #3.4.9).
+
+ * Pairs of opening and closing tags that do not enclose any content (like '
') are not removed. This may be against the standard specification for certain elements (e.g., 'table'). However, presence of such standard-incompliant code will not break the display or layout of content. Admins can also use simple regex-based code to filter out such code.
+
+ * htmLawed does not check for certain element orderings described in the standard specifications (e.g., in a 'table', 'tbody' is allowed before 'tfoot'). Admins may be able to use a custom hook function to enforce such checks ('hook_tag' parameter; see section:- #3.4.9).
+
+ * htmLawed does not check the number of nested elements. E.g., it will allow two 'caption' elements in a 'table' element, illegal as per standard specifications. Admins may be able to use a custom hook function to enforce such checks ('hook_tag' parameter; see section:- #3.4.9).
+
+ * There are multiple ways to interpret ill-written HTML. E.g., in '
text ', is it that the second closing tag for 'small' is missing or is it that the second opening tag for 'small' was put in by mistake? htmLawed corrects the HTML in the string assuming the former, while the user may have intended the string for the latter. This is an issue that is impossible to address perfectly.
+
+ * htmLawed might convert certain entities to actual characters and remove backslashes and CSS comment-markers ('/*') in 'style' attribute values in order to detect malicious HTML like crafted, Internet Explorer browser-specific dynamic expressions like 'expression...'. If this is too harsh, admins can allow CSS expressions through htmLawed core but then use a custom function through the 'hook_tag' parameter (section:- #3.4.9) to more specifically identify CSS expressions in the 'style' attribute values. Also, using '$config["style_pass"]', it is possible to have htmLawed pass 'style' attribute values without even looking at them (section:- #3.4.8).
+
+ * htmLawed does not correct certain possible attribute-based security vulnerabilities (e.g., 'x '). These arise when browsers mis-identify markup in `escaped` text, defeating the very purpose of escaping text (a bad browser will read the given example as 'x ').
+
+ * Because of poor Unicode support in PHP, htmLawed does not remove the `high value` HTML-invalid characters with multi-byte code-points. Such characters however are extremely unlikely to be in the input. (see section:- #3.1).
+
+ * htmLawed does not check or correct the character encoding of the input it receives. In conjunction with permitting circumstances such as when the character encoding is left undefined through HTTP headers or HTML 'meta' tags, this can permit an exploit (like Google's `UTF-7/XSS` vulnerability of the past). Also, htmLawed can mangle input text if it is not well-formed in terms of character encoding. Administrators can consider using code available elsewhere to check well-formedness of input text characters to correct any defect.
+
+ * htmLawed is expected to work with input texts in ASCII standard-compatible single-byte encodings such as national variants of ASCII (like ISO-646-DE/German of the ISO 646 standard), extended ASCII variants (like ISO 8859-10/Turkish of the ISO 8859/ISO Latin standard), ISO 8859-based Windows variants (like Windows 1252), EBCDIC, Shift JIS (Japanese), GB-Roman (Chinese), and KS-Roman (Korean). It should also properly handle texts with variable-byte encodings like UTF-7 (Unicode) and UTF-8 (Unicode). However, htmLawed may mangle input texts with double-byte encodings like UTF-16 (Unicode), JIS X 0208:1997 (Japanese) and K SX 1001:1992 (Korean), or the UTF-32 (Unicode) quadruple-byte encoding. If an input text has such an encoding, administrators can use PHP's iconv:- http://php.net/manual/en/book.iconv.php functions, or some other mean, to convert text to UTF-8 before passing it to htmLawed.
+
+ * Like any script using PHP's PCRE regex functions, PHP setup-specific low PCRE limit values can cause htmLawed to at least partially fail with very long input texts.
+
+
+-- 2.9 Examples of usage ------------------------------------------o
+
+
+ Safest, allowing only `safe` HTML markup --
+
+ $config = array('safe'=>1);
+ $out = htmLawed($in, $config);
+
+ Simplest, allowing all valid HTML markup including Javascript --
+
+ $out = htmLawed($in);
+
+ Allowing all valid HTML markup but restricting URL schemes in 'src' attribute values to 'http' and 'https' --
+
+ $config = array('schemes'=>'*:*; src:http, https');
+ $out = htmLawed($in, $config);
+
+ Allowing only 'safe' HTML and the elements 'a', 'em', and 'strong' --
+
+ $config = array('safe'=>1, 'elements'=>'a, em, strong');
+ $out = htmLawed($in, $config);
+
+ Not allowing elements 'script' and 'object' --
+
+ $config = array('elements'=>'* -script -object');
+ $out = htmLawed($in, $config);
+
+ Not allowing attributes 'id' and 'style' --
+
+ $config = array('deny_attribute'=>'id, style');
+ $out = htmLawed($in, $config);
+
+ Permitting only attributes 'title' and 'href' --
+
+ $config = array('deny_attribute'=>'* -title -href');
+ $out = htmLawed($in, $config);
+
+ Remove bad/disallowed tags altogether instead of converting them to entities --
+
+ $config = array('keep_bad'=>0);
+ $out = htmLawed($in, $config);
+
+ Allowing attribute 'title' only in 'a' and not allowing attributes 'id', 'style', or scriptable `on*` attributes like 'onclick' --
+
+ $config = array('deny_attribute'=>'title, id, style, on*');
+ $spec = 'a=title';
+ $out = htmLawed($in, $config, $spec);
+
+ Allowing a custom attribute, 'vFlag', in 'img' and permitting custom use of the standard attribute, 'rel', in 'input' --
+
+ $spec = 'img=vFlag; input=rel';
+ $out = htmLawed($in, $config, $spec);
+
+ Some case-studies are presented below.
+
+ *1.* A blog administrator wants to allow only 'a', 'em', 'strike', 'strong' and 'u' in comments, but needs 'strike' and 'u' transformed to 'span' for better XHTML 1-strict compliance, and, he wants the 'a' links to point only to 'http' or 'https' resources:
+
+ $processed = htmLawed($in, array('elements'=>'a, em, strike, strong, u', 'make_tag_strict'=>1, 'safe'=>1, 'schemes'=>'*:http, https'), 'a=href');
+
+ *2.* An author uses a custom-made web application to load content on his website. He is the only one using that application and the content he generates has all types of HTML, including scripts. The web application uses htmLawed primarily as a tool to correct errors that creep in while writing HTML and to take care of the occasional `bad` characters in copy-paste text introduced by Microsoft Office. The web application provides a preview before submitted input is added to the content. For the previewing process, htmLawed is set up as follows:
+
+ $processed = htmLawed($in, array('css_expression'=>1, 'keep_bad'=>1, 'make_tag_strict'=>1, 'schemes'=>'*:*', 'valid_xhtml'=>1));
+
+ For the final submission process, 'keep_bad' is set to '6'. A value of '1' for the preview process allows the author to note and correct any HTML mistake without losing any of the typed text.
+
+ *3.* A data-miner is scraping information in a specific table of similar web-pages and is collating the data rows, and uses htmLawed to reduce unnecessary markup and white-spaces:
+
+ $processed = htmLawed($in, array('elements'=>'tr, td', 'tidy'=>-1), 'tr, td =');
+
+
+== 3 Details =====================================================oo
+
+
+-- 3.1 Invalid/dangerous characters --------------------------------
+
+
+ Valid characters (more correctly, their code-points) in HTML or XML are, hexadecimally, '9', 'a', 'd', '20' to 'd7ff', and 'e000' to '10ffff', except 'fffe' and 'ffff' (decimally, '9', '10', '13', '32' to '55295', and '57344' to '1114111', except '65534' and '65535'). htmLawed removes the invalid characters '0' to '8', 'b', 'c', and 'e' to '1f'.
+
+ Because of PHP's poor native support for multi-byte characters, htmLawed cannot check for the remaining invalid code-points. However, for various reasons, it is very unlikely for any of those characters to be in the input.
+
+ Characters that are discouraged (see section:- #5.1) but not invalid are not removed by htmLawed.
+
+ It (function 'hl_tag()') also replaces the potentially dangerous (in some Mozilla [Firefox] and Opera browsers) soft-hyphen character (code-point, hexadecimally, 'ad', or decimally, '173') in attribute values with spaces. Where required, the characters '<', '>', '&', and '"' are converted to entities.
+
+ With '$config["clean_ms_char"]' set as '1' or '2', many of the discouraged characters (decimal code-points '127' to '159' except '133') that many Microsoft applications incorrectly use (as per the 'Windows 1252' ['Cp-1252'] or a similar encoding system), and the character for decimal code-point '133', are converted to appropriate decimal numerical entities (or removed for a few cases)-- see appendix in section:- #5.4. This can help avoid some display issues arising from copying-pasting of content.
+
+ With '$config["clean_ms_char"]' set as '2', characters for the hexadecimal code-points '82', '91', and '92' (for special single-quotes), and '84', '93', and '94' (for special double-quotes) are converted to ordinary single and double quotes respectively and not to entities.
+
+ The character values are replaced with entities/characters and not character values referred to by the entities/characters to keep this task independent of the character-encoding of input text.
+
+ The '$config["clean_ms_char"]' parameter should not be used if authors do not copy-paste Microsoft-created text, or if the input text is not believed to use the 'Windows 1252' ('Cp-1252') or a similar encoding like 'Cp-1251' (otherwise, for example when UTF-8 encoding is in use, Japanese or Korean characters can get mangled). Further, the input form and the web-pages displaying it or its content should have the character encoding appropriately marked-up.
+
+
+-- 3.2 Character references/entities ------------------------------o
+
+
+ Valid character entities take the form '&*;' where '*' is '#x' followed by a hexadecimal number (hexadecimal numeric entity; like ' ' for non-breaking space), or alphanumeric like 'gt' (external or named entity; like ' ' for non-breaking space), or '#' followed by a number (decimal numeric entity; like ' ' for non-breaking space). Character entities referring to the soft-hyphen character (the '' or '\xad' character; hexadecimal code-point 'ad' [decimal '173']) in URL-accepting attribute values are always replaced with spaces; soft-hyphens in attribute values introduce vulnerabilities in some older versions of the Opera and Mozilla [Firefox] browsers.
+
+ htmLawed (function 'hl_ent()'):
+
+ * Neutralizes entities with multiple leading zeroes or missing semi-colons (potentially dangerous)
+
+ * Lowercases the 'X' (for XML-compliance) and 'A-F' of hexadecimal numeric entities
+
+ * Neutralizes entities referring to characters that are HTML-invalid (see section:- #3.1)
+
+ * Neutralizes entities referring to characters that are HTML-discouraged (code-points, hexadecimally, '7f' to '84', '86' to '9f', and 'fdd0' to 'fddf', or decimally, '127' to '132', '134' to '159', and '64991' to '64976'). Entities referring to the remaining discouraged characters (see section:- #5.1 for a full list) are let through.
+
+ * Neutralizes named entities that are not in the specifications
+
+ * Optionally converts valid HTML-specific named entities except '>', '<', '"', and '&' to decimal numeric ones (hexadecimal if $config["hexdec_entity"] is '2') for generic XML-compliance. For this, '$config["named_entity"]' should be '1'.
+
+ * Optionally converts hexadecimal numeric entities to the more widely supported decimal ones. For this, '$config["hexdec_entity"]' should be '0'.
+
+ * Optionally converts decimal numeric entities to the hexadecimal ones. For this, '$config["hexdec_entity"]' should be '2'.
+
+ `Neutralization` refers to the `entitification` of '&' to '&'.
+
+ *Note*: htmLawed does not convert entities to the actual characters represented by them; one can pass the htmLawed output through PHP's 'html_entity_decode' function:- http://www.php.net/html_entity_decode for that.
+
+ *Note*: If '$config["and_mark"]' is set, and set to a value other than '0', then the '&' characters in the original input are replaced with the control character for the hexadecimal code-point '6' ('\x06'; '&' characters introduced by htmLawed, e.g., after converting '<' to '<', are not affected). This allows one to distinguish, say, an '>' introduced by htmLawed and an '>' put in by the input writer, and can be helpful in further processing of the htmLawed-processed text (e.g., to identify the character sequence 'o(><)o' to generate an emoticon image). When this feature is active, admins should ensure that the htmLawed output is not directly used in web pages or XML documents as the presence of the '\x06' can break documents. Before use in such documents, and preferably before any storage, any remaining '\x06' should be changed back to '&', e.g., with:
+
+ $final = str_replace("\x06", '&', $prelim);
+
+ Also, see section:- #3.9.
+
+
+-- 3.3 HTML elements ----------------------------------------------o
+
+
+ htmLawed can be configured to allow only certain HTML elements (tags) in the input. Disallowed elements (just tag-content, and not element-content), based on '$config["keep_bad"]', are either `neutralized` (converted to plain text by entitification of '<' and '>') or removed.
+
+ E.g., with only 'em' permitted:
+
+ Input:
+
+ My website is My website is a.com.
+
+ Output, with '$config["keep_bad"]' not '0':
+
+ My website is <a href="">a.com</a>.
+
+ See section:- #3.3.3 for differences between the various non-zero '$config["keep_bad"]' values.
+
+ htmLawed by default permits these 118 HTML elements:
+
+ a, abbr, acronym, address, applet, area, article, aside, audio, b, bdi, bdo, big, blockquote, br, button, canvas, caption, center, cite, code, col, colgroup, command, data, datalist, dd, del, details, dfn, dir, div, dl, dt, em, embed, fieldset, figcaption, figure, font, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, hr, i, iframe, img, input, ins, isindex, kbd, keygen, label, legend, li, link, main, map, mark, menu, meta, meter, nav, noscript, object, ol, optgroup, option, output, p, param, pre, progress, q, rb, rbc, rp, rt, rtc, ruby, s, samp, script, section, select, small, source, span, strike, strong, style, sub, summary, sup, table, tbody, td, textarea, tfoot, th, thead, time, tr, track, tt, u, ul, var, video, wbr
+
+ The HTML version 4 elements 'acronym', 'applet', 'big', 'center', 'dir', 'font', 'strike', and 'tt' are obsolete/deprecated in HTML version 5. On the other hand, the obsolete/deprecated HTML 4 elements 'embed', 'menu' and 'u' are no longer so in HTML 5. Elements new to HTML 5 are 'article', 'aside', 'audio', 'bdi', 'canvas', 'command', 'data', 'datalist', 'details', 'figure', 'figcaption', 'footer', 'header', 'hgroup', 'keygen', 'link', 'main', 'mark', 'meta', 'meter', 'nav', 'output', 'progress', 'section', 'source', 'style', 'summary', 'time', 'track', 'video', and 'wbr'. The 'link', 'meta' and 'style' elements exist in HTML 4 but are not allowed in the HTML body. These 16 elements are `empty` elements that have an opening tag with possible content but no element content (thus, no closing tag): 'area', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param', 'source', 'track', and 'wbr'.
+
+ With '$config["safe"] = 1', the default set will exclude 'applet', 'audio', 'canvas', 'embed', 'iframe', 'object', 'script' and 'video'; see section:- #3.6.
+
+ When '$config["elements"]', which specifies allowed elements, is `properly` defined, and neither empty nor set to '0' or '*', the default set is not used. To have elements added to or removed from the default set, a '+/-' notation is used. E.g., '*-script-object' implies that only 'script' and 'object' are disallowed, whereas '*+embed' means that 'noembed' is also allowed. Elements can also be specified as comma separated names. E.g., 'a, b, i' means only 'a', 'b' and 'i' are permitted. In this notation, '*', '+' and '-' have no significance and can actually cause a mis-reading.
+
+ Some more examples of '$config["elements"]' values indicating permitted elements (note that empty spaces are liberally allowed for clarity):
+
+ * 'a, blockquote, code, em, strong' -- only 'a', 'blockquote', 'code', 'em', and 'strong'
+ * '*-script' -- all excluding 'script'
+ * '* -acronym -big -center -dir -font -isindex -s -strike -tt' -- only non-obsolete/deprecated elements of HTML5
+ * '*+noembed-script' -- all including 'noembed' excluding 'script'
+
+ Some mis-usages (and the resulting permitted elements) that can be avoided:
+
+ * '-*' -- none; instead of htmLawed, one might just use, e.g., the 'htmlspecialchars()' PHP function
+ * '*, -script' -- all except 'script'; admin probably meant '*-script'
+ * '-*, a, em, strong' -- all; admin probably meant 'a, em, strong'
+ * '*' -- all; admin need not have set 'elements'
+ * '*-form+form' -- all; a '+' will always over-ride any '-'
+ * '*, noembed' -- only 'noembed'; admin probably meant '*+noembed'
+ * 'a, +b, i' -- only 'a' and 'i'; admin probably meant 'a, b, i'
+
+ Basically, when using the '+/-' notation, commas (',') should not be used, and vice versa, and '*' should be used with the former but not the latter.
+
+ *Note*: Even if an element that is not in the default set is allowed through '$config["elements"]', like 'noembed' in the last example, it will eventually be removed during tag balancing unless such balancing is turned off ('$config["balance"]' set to '0'). Currently, the only way around this, which actually is simple, is to edit htmLawed's PHP code which define various arrays in the function 'hl_bal()' to accommodate the element and its nesting properties.
+
+ A possible second way to specify allowed elements is to set '$config["parent"]' to an element name that supposedly will hold the input, and to set '$config["balance"]' to '1'. During tag balancing (see section:- #3.3.3), all elements that cannot legally nest inside the parent element will be removed. The parent element is auto-reset to 'div' if '$config["parent"]' is empty, 'body', or an element not in htmLawed's default set of 118 elements.
+
+ `Tag transformation` is possible for improving compliance with HTML standards -- most of the obsolete/deprecated elements of HTML version 5 are converted to valid ones; see section:- #3.3.2.
+
+
+.. 3.3.1 Handling of comments & CDATA sections .....................
+
+
+ 'CDATA' sections have the format '"...]]>', and HTML comments, '"... -->'. Neither HTML comments nor 'CDATA' sections can reside inside tags. HTML comments can exist anywhere else, but 'CDATA' sections can exist only where plain text is allowed (e.g., immediately inside 'td' element content but not immediately inside 'tr' element content).
+
+ htmLawed (function 'hl_cmtcd()') handles HTML comments or 'CDATA' sections depending on the values of '$config["comment"]' or '$config["cdata"]'. If '0', such markup is not looked for and the text is processed like plain text. If '1', it is removed completely. If '2', it is preserved but any '<', '>' and '&' inside are changed to entities. If '3' for '$config["cdata"]', or '3' or '4' for '$config["comment"]', they are left as such. When '$config["comment"]' is set to '4', htmLawed will not force a space character before the '-->' comment-closing marker. While such a space is required for standard-compliance, it can corrupt marker code put in HTML by some software (such as Microsoft Outlook).
+
+ Note that for the last two cases, HTML comments and 'CDATA' sections will always be removed from tag content (function 'hl_tag()').
+
+ Examples:
+
+ Input:
+ Home
+ Output ('$config["comment"] = 0, $config["cdata"] = 2'):
+ <-- home link-->Home
+ Output ('$config["comment"] = 1, $config["cdata"] = 2'):
+ Home
+ Output ('$config["comment"] = 2, $config["cdata"] = 2'):
+ Home
+ Output ('$config["comment"] = 2, $config["cdata"] = 1'):
+ Home
+ Output ('$config["comment"] = 3, $config["cdata"] = 3'):
+ Home
+ Output ('$config["comment"] = 4, $config["cdata"] = 3'):
+ Home
+
+ For standard-compliance, comments are given the form '', and any '--' in the content is made '-'. When '$config["comment"]' is set to '4', htmLawed will not force a space character before the '-->' comment-closing marker.
+
+ When '$config["safe"] = 1', CDATA sections and comments are considered plain text unless '$config["comment"]' or '$config["cdata"]' is explicitly specified; see section:- #3.6.
+
+
+.. 3.3.2 Tag-transformation for better compliance with standards ..o
+
+
+ If '$config["make_tag_strict"]' is set and not '0', following deprecated elements (and attributes), as per HTML 5 specification, even if admin-permitted, are mutated as indicated (element content remains intact; function 'hl_tag2()'):
+
+ * acronym - 'abbr'
+ * applet - based on '$config["make_tag_strict"]', unchanged ('1') or removed ('2')
+ * big - 'span style="font-size: larger;"'
+ * center - 'div style="text-align: center;"'
+ * dir - 'ul'
+ * font (face, size, color) - 'span style="font-family: ; font-size: ; color: ;"' (size transformation reference:- http://web.archive.org/web/20180201141931/http://style.cleverchimp.com/font_size_intervals/altintervals.html)
+ * isindex - based on '$config["make_tag_strict"]', unchanged ('1') or removed ('2')
+ * s - 'span style="text-decoration: line-through;"'
+ * strike - 'span style="text-decoration: line-through;"'
+ * tt - 'code'
+
+ For an element with a pre-existing 'style' attribute value, the extra style properties are appended.
+
+ Example input:
+
+
+ The PHP software script used for this web-page web-page is htmLawedTest.php , from PHP Labware .
+
+
+ The output:
+
+
+ The PHP software script used for this web-page web-page is htmLawedTest.php , from PHP Labware .
+
+
+
+.. 3.3.3 Tag balancing & proper nesting ...........................o
+
+
+ If '$config["balance"]' is set to '1', htmLawed (function 'hl_bal()') checks and corrects the input to have properly balanced tags and legal element content (i.e., any element nesting should be valid, and plain text may be present only in the content of elements that allow them).
+
+ Depending on the value of '$config["keep_bad"]' (see section:- #2.2 and section:- #3.3), illegal content may be removed or neutralized to plain text by converting < and > to entities:
+
+ '0' - remove; this option is available only to maintain Kses-compatibility and should not be used otherwise (see section:- #2.6)
+ '1' - neutralize tags and keep element content
+ '2' - remove tags but keep element content
+ '3' and '4' - like '1' and '2', but keep element content only if text ('pcdata') is valid in parent element as per specs
+ '5' and '6' - like '3' and '4', but line-breaks, tabs and spaces are left
+
+ Example input (disallowing the 'p' element):
+
+ <*> Pseudo-tags <*>
+ Non-HTML tag xml
+
+ Disallowed tag p
+
+
+
+ The output with '$config["keep_bad"] = 1':
+
+ <*> Pseudo-tags <*>
+ <xml>Non-HTML tag xml</xml>
+ <p>
+ Disallowed tag p
+ </p>
+
+
+ The output with '$config["keep_bad"] = 3':
+
+ <*> Pseudo-tags <*>
+ <xml>Non-HTML tag xml</xml>
+ <p>
+ Disallowed tag p
+ </p>
+
+
+ The output with '$config["keep_bad"] = 6':
+
+ <*> Pseudo-tags <*>
+ Non-HTML tag xml
+
+ Disallowed tag p
+
+
+
+ An option like '1' is useful, e.g., when a writer previews his submission, whereas one like '3' is useful before content is finalized and made available to all.
+
+ *Note:* In the example above, unlike '<*>', '
' gets considered as a tag (even though there is no HTML element named 'xml'). Thus, the 'keep_bad' parameter's value affects '' but not '<*>'. In general, text matching the regular expression pattern '<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>' is considered a tag (phrase enclosed by the angled brackets '<' and '>', and starting [with an optional slash preceding] with an alphanumeric word that starts with an alphabet...), and is subjected to the 'keep_bad' value.
+
+ Nesting/content rules for each of the 118 elements in htmLawed's default set (see section:- #3.3) are defined in function 'hl_bal()'. This means that if a non-standard element besides 'embed' is being permitted through '$config["elements"]', the element's tag content will end up getting removed if '$config["balance"]' is set to '1'.
+
+ Plain text and/or certain elements nested inside 'blockquote', 'form', 'map' and 'noscript' need to be in block-level elements. This point is often missed during manual writing of HTML code. htmLawed attempts to address this during balancing. E.g., if the parent container is set as 'form', the input 'B: C: ' is converted to 'B: C:
'.
+
+
+.. 3.3.4 Elements requiring child elements ........................o
+
+
+ As per HTML specifications, elements such as those below require legal child elements nested inside them:
+
+ blockquote, dir, dl, form, map, menu, noscript, ol, optgroup, rbc, rtc, ruby, select, table, tbody, tfoot, thead, tr, ul
+
+ In some cases, the specifications stipulate the number and/or the ordering of the child elements. A 'table' can have 0 or 1 'caption', 'tbody', 'tfoot', and 'thead', but they must be in this order: 'caption', 'thead', 'tfoot', 'tbody'.
+
+ htmLawed currently does not check for conformance to these rules. Note that any non-compliance in this regard will not introduce security vulnerabilities, crash browser applications, or affect the rendering of web-pages.
+
+ With '$config["direct_list_nest"]' set to '1', htmLawed will allow direct nesting of 'ol', 'ul', or 'menu' list within another 'ol', 'ul', or 'menu' without requiring the child list to be within an 'li' of the parent list. While this may not be standard-compliant, directly nested lists are rendered properly by almost all browsers. The parameter '$config["direct_list_nest"]' has no effect if tag balancing (section:- #3.3.3) is turned off.
+
+
+.. 3.3.5 Beautify or compact HTML .................................o
+
+
+ By default, htmLawed will neither `beautify` HTML code by formatting it with indentations, etc., nor will it make it compact by removing un-needed white-space.(It does always properly white-space tag content.)
+
+ As per the HTML standards, spaces, tabs and line-breaks in web-pages (except those inside 'pre' elements) are all considered equivalent, and referred to as `white-spaces`. Browser applications are supposed to consider contiguous white-spaces as just a single space, and to disregard white-spaces trailing opening tags or preceding closing tags. This white-space `normalization` allows the use of text/code beautifully formatted with indentations and line-spacings for readability. Such `pretty` HTML can, however, increase the size of web-pages, or make the extraction or scraping of plain text cumbersome.
+
+ With the '$config' parameter 'tidy', htmLawed can be used to beautify or compact the input text. Input with just plain text and no HTML markup is also subject to this. Besides 'pre', the 'script' and 'textarea' elements, CDATA sections, and HTML comments are not subjected to the tidying process.
+
+ To `compact`, use '$config["tidy"] = -1'; single instances or runs of white-spaces are replaced with a single space, and white-spaces trailing and leading open and closing tags, respectively, are removed.
+
+ To `beautify`, '$config["tidy"]' is set as '1', or for customized tidying, as a string like '2s2n'. The 's' or 't' character specifies the use of spaces or tabs for indentation. The first and third characters, any of the digits 0-9, specify the number of spaces or tabs per indentation, and any parental lead spacing (extra indenting of the whole block of input text). The 'r' and 'n' characters are used to specify line-break characters: 'n' for '\n' (Unix/Mac OS X line-breaks), 'rn' or 'nr' for '\r\n' (Windows/DOS line-breaks), or 'r' for '\r'.
+
+ The '$config["tidy"]' value of '1' is equivalent to '2s0n'. Other '$config["tidy"]' values are read loosely: a value of '4' is equivalent to '4s0n'; 't2', to '1t2n'; 's', to '2s0n'; '2TR', to '2t0r'; 'T1', to '1t1n'; 'nr3', to '3s0nr', and so on. Except in the indentations and line-spacings, runs of white-spaces are replaced with a single space during beautification.
+
+ Input formatting using '$config["tidy"]' is not recommended when input text has mixed markup (like HTML + PHP).
+
+
+-- 3.4 Attributes -------------------------------------------------o
+
+
+ In its default setting, htmLawed will only permit attributes described in the HTML specifications (including deprecated ones). A list of the attributes and the elements they are allowed in is in section:- #5.2. Using the '$spec' argument, htmLawed can be forced to permit custom, non-standard attributes as well as custom rules for standard attributes (section:- #2.3).
+
+ Custom `data-*` (`data-star`) attributes, where the first three characters of the value of `star` (*) after lower-casing do not equal 'xml', and the value of `star` does not have a colon (:), equal-to (=), newline, solidus (/), space or tab character, or any upper-case A-Z character are allowed in all elements. ARIA, event and microdata attributes like 'aria-live', 'onclick' and 'itemid' are also considered global attributes (section:- #5.2).
+
+ When '$config["deny_attribute"]' is not set, or set to '0', or empty ('""'), all attributes are permitted. Otherwise, '$config["deny_attribute"]' can be set as a list of comma-separated names of the denied attributes. 'on*' can be used to refer to the group of potentially dangerous, script-accepting event attributes like 'onblur' and 'onchange' that have 'on' at the beginning of their names. Similarly, 'aria*' and 'data*' can be used to respectively refer to the set of all ARIA and data-* attributes.
+
+ With '$config["safe"] = 1' (section:- #3.6), the 'on*' event attributes are automatically disallowed even if a value for '$config["deny_attribute"]' has been manually provided.
+
+ Note that attributes specified in '$config["deny_attribute"]' are denied globally, for all elements. To deny attributes for only specific elements, '$spec' (see section:- #2.3) can be used. '$spec' can also be used to element-specifically permit an attribute otherwise denied through '$config["deny_attribute"]'.
+
+ Finer restrictions on attributes can also be put into effect through '$config["deny_attribute"]' (section:- 3.4.9).
+
+ *Note*: To deny all but a few attributes globally, a simpler way to specify '$config["deny_attribute"]' would be to use the notation '* -attribute1 -attribute2 ...'. Thus, a value of '* -title -href' implies that except 'href' and 'title' (where allowed as per standards) all other attributes are to be removed. With this notation, the value for the parameter 'safe' (section:- #3.6) will have no effect on 'deny_attribute'. Values of 'aria*' 'data*', and 'on*' cannot be used in this notation to refer to the sets of all ARIA, data-*, and on* attributes respectively.
+
+ htmLawed (function 'hl_tag()') also:
+
+ * Lower-cases attribute names
+ * Removes duplicate attributes (last one stays)
+ * Gives attributes the form 'name="value"' and single-spaces them, removing unnecessary white-spacing
+ * Provides `required` attributes (see section:- #3.4.1)
+ * Double-quotes values and escapes any '"' inside them
+ * Replaces the possibly dangerous soft-hyphen characters (hexadecimal code-point 'ad') in the values with spaces
+ * Allows custom function to additionally filter/modify attribute values (see section:- #3.4.9)
+
+
+.. 3.4.1 Auto-addition of XHTML-required attributes ................
+
+
+ If indicated attributes for the following elements are found missing, htmLawed (function 'hl_tag()') will add them (with values same as attribute names unless indicated otherwise below):
+
+ * area - alt ('area')
+ * area, img - src, alt ('image')
+ * bdo - dir ('ltr')
+ * form - action
+ * label - command
+ * map - name
+ * optgroup - label
+ * param - name
+ * style - scoped
+ * textarea - rows ('10'), cols ('50')
+
+ Additionally, with '$config["xml:lang"]' set to '1' or '2', if the 'lang' but not the 'xml:lang' attribute is declared, then the latter is added too, with a value copied from that of 'lang'. This is for better standard-compliance. With '$config["xml:lang"]' set to '2', the 'lang' attribute is removed (XHTML specification).
+
+ Note that the 'name' attribute for 'map', invalid in XHTML, is also transformed if required -- see section:- #3.4.6.
+
+
+.. 3.4.2 Duplicate/invalid 'id' values ............................o
+
+
+ If '$config["unique_ids"]' is '1', htmLawed (function 'hl_tag()') removes 'id' attributes with values that are not standards-compliant (must not have a space character) or duplicate. If '$config["unique_ids"]' is a word (without a non-word character like space), any duplicate but otherwise valid value will be appropriately prefixed with the word to ensure its uniqueness.
+
+ Even if multiple inputs need to be filtered (through multiple calls to htmLawed), htmLawed ensures uniqueness of 'id' values as it uses a global variable ('$GLOBALS["hl_Ids"]' array). Further, an admin can restrict the use of certain 'id' values by presetting this variable before htmLawed is called into use. E.g.:
+
+ $GLOBALS['hl_Ids'] = array('top'=>1, 'bottom'=>1, 'myform'=>1); // id values not allowed in input
+ $processed = htmLawed($text); // filter input
+
+
+.. 3.4.3 URL schemes & scripts in attribute values ................o
+
+
+ htmLawed edits attributes that take URLs as values if they are found to contain un-permitted schemes. E.g., if the 'afp' scheme is not permitted, then '' becomes ' ', and if Javascript is not permitted ' ' becomes ' '.
+
+ By default htmLawed permits these schemes in URLs for the 'href' attribute:
+
+ aim, app, feed, file, ftp, gopher, http, https, javascript, irc, mailto, news, nntp, sftp, ssh, tel, telnet
+
+ Also, only 'data', 'file', 'http', 'https' and 'javascript' are permitted in these attributes that accept URLs:
+
+ action, cite, classid, codebase, data, itemtype, longdesc, model, pluginspage, pluginurl, src, srcset, style, usemap, and event attributes like onclick
+
+ With '$config["safe"] = 1' (section:- #3.6), the above is changed to disallow 'app', 'data' and 'javascript'.
+
+ These default sets are used when '$config["schemes"]' is not set (see section:- #2.2). To over-ride the defaults, '$config["schemes"]' is defined as a string of semi-colon-separated sub-strings of type 'attribute: comma-separated schemes'. E.g., 'href: mailto, http, https; onclick: javascript; src: http, https'. For unspecified attributes, 'data', 'file', 'http', 'https' and 'javascript' are permitted. This can be changed by passing schemes for '*' in '$config["schemes"]'. E.g., 'href: mailto, http, https; *: https, https'.
+
+ '*' (asterisk) can be put in the list of schemes to permit all protocols. E.g., 'style: *; img: http, https' results in protocols not being checked in 'style' attribute values. However, in such cases, any relative-to-absolute URL conversion, or vice versa, (section:- #3.4.4) is not done. When an attribute is explicitly listed in '$config["schemes"]', then filtering is dictated by the setting for the attribute, with no effect of the setting for asterisk. That is, the set of attributes that asterisk refers to no longer includes the listed attribute.
+
+ Thus, `to allow the xmpp scheme`, one can set '$config["schemes"]' as 'href: mailto, http, https; *: http, https, xmpp', or 'href: mailto, http, https, xmpp; *: http, https, xmpp', or '*: *', and so on. The consequence of each of these example values will be different (e.g., only the last two but not the first will allow 'xmpp' in 'href')
+
+ As a side-note, one may find 'style: *' useful as URLs in 'style' attributes can be specified in a variety of ways, and the patterns that htmLawed uses to identify URLs may mistakenly identify non-URL text.
+
+ '!' can be put in the list of schemes to disallow all protocols as well as `local` URLs. Thus, with 'href: http, style: !', ' CNN ' will become 'CNN '
+
+ *Note*: If URL-accepting attributes other than those listed above are being allowed, then the scheme will not be checked unless the attribute name contains the string 'src' (e.g., 'dynsrc') or starts with 'o' (e.g., 'onbeforecopy').
+
+ With '$config["safe"] = 1', all URLs are disallowed in the 'style' attribute values.
+
+
+.. 3.4.4 Absolute & relative URLs in attribute values ............o
+
+
+ htmLawed can make absolute URLs in attributes like 'href' relative ('$config["abs_url"]' is '-1'), and vice versa ('$config["abs_url"]' is '1'). URLs in scripts are not considered for this, and so are URLs like '#section_6' (fragment), '?name=Tim#show' (starting with query string), and ';var=1?name=Tim#show' (starting with parameters). Further, this requires that '$config["base_url"]' be set properly, with the '://' and a trailing slash ('/'), with no query string, etc. E.g., 'file:///D:/page/', 'https://abc.com/x/y/', or 'http://localhost/demo/' are okay, but 'file:///D:/page/?help=1', 'abc.com/x/y/' and 'http://localhost/demo/index.htm' are not.
+
+ For making absolute URLs relative, only those URLs that have the '$config["base_url"]' string at the beginning are converted. E.g., with '$config["base_url"] = "https://abc.com/x/y/"', 'https://abc.com/x/y/a.gif' and 'https://abc.com/x/y/z/b.gif' become 'a.gif' and 'z/b.gif' respectively, while 'https://abc.com/x/c.gif' is not changed.
+
+ When making relative URLs absolute, only values for scheme, network location (host-name) and path values in the base URL are inherited. See section:- #5.5 for more about the URL specification as per RFC 1808:- http://www.ietf.org/rfc/rfc1808.txt.
+
+
+.. 3.4.5 Lower-cased, standard attribute values ...................o
+
+
+ Optionally, for standard-compliance, htmLawed (function 'hl_tag()') lower-cases standard attribute values to give, e.g., 'input type="password"' instead of 'input type="Password"', if '$config["lc_std_val"]' is '1'. Attribute values matching those listed below for any of the elements listed further below (plus those for the 'type' attribute of 'button' or 'input') are lower-cased:
+
+ all, auto, baseline, bottom, button, captions, center, chapters, char, checkbox, circle, col, colgroup, color, cols, data, date, datetime, datetime-local, default, descriptions, email, file, get, groups, hidden, image, justify, left, ltr, metadata, middle, month, none, number, object, password, poly, post, preserve, radio, range, rect, ref, reset, right, row, rowgroup, rows, rtl, search, submit, subtitles, tel, text, time, top, url, week
+
+ a, area, bdo, button, col, fieldset, form, img, input, object, ol, optgroup, option, param, script, select, table, td, textarea, tfoot, th, thead, tr, track, xml:space
+
+ The following `empty` (`minimized`) attributes are always assigned lower-cased values (same as the attribute names):
+
+ checkbox, checked, command, compact, declare, defer, default, disabled, hidden, inert, ismap, itemscope, multiple, nohref, noresize, noshade, nowrap, open, radio, readonly, required, reversed, selected
+
+
+.. 3.4.6 Transformation of deprecated attributes ..................o
+
+
+ If '$config["no_deprecated_attr"]' is '0', then deprecated attributes are removed and, in most cases, their values are transformed to CSS style properties and added to the 'style' attributes (function 'hl_tag()'). Except for 'bordercolor' for 'table', 'tr' and 'td', the scores of proprietary attributes that were never part of any cross-browser standard are not supported in this functionality.
+
+ * align in caption, div, h, h2, h3, h4, h5, h6, hr, img, input, legend, object, p, table - for 'img' with value of 'left' or 'right', becomes, e.g., 'float: left'; for 'div' and 'table' with value 'center', becomes 'margin: auto'; all others become, e.g., 'text-align: right'
+ * bgcolor in table, td, th and tr - E.g., 'bgcolor="#ffffff"' becomes 'background-color: #ffffff'
+ * border in object - E.g., 'height="10"' becomes 'height: 10px'
+ * bordercolor in table, td and tr - E.g., 'bordercolor=#999999' becomes 'border-color: #999999;'
+ * compact in dl, ol and ul - 'font-size: 85%'
+ * cellspacing in table - 'cellspacing="10"' becomes 'border-spacing: 10px'
+ * clear in br - E.g., 'clear="all" becomes 'clear: both'
+ * height in td and th - E.g., 'height= "10"' becomes 'height: 10px' and 'height="*"' becomes 'height: auto'
+ * hspace in img and object - E.g., 'hspace="10"' becomes 'margin-left: 10px; margin-right: 10px'
+ * language in script - 'language="VBScript"' becomes 'type="text/vbscript"'
+ * name in a, form, iframe, img and map - E.g., 'name="xx"' becomes 'id="xx"'
+ * noshade in hr - 'border-style: none; border: 0; background-color: gray; color: gray'
+ * nowrap in td and th - 'white-space: nowrap'
+ * size in hr - E.g., 'size="10"' becomes 'height: 10px'
+ * vspace in img and object - E.g., 'vspace="10"' becomes 'margin-top: 10px; margin-bottom: 10px'
+ * width in hr, pre, table, td and th - like 'height'
+
+ Example input:
+
+
+
+
+
+
+
+
+ And the output with '$config["no_deprecated_attr"] = 1':
+
+
+
+
+
+
+
+
+ For 'lang', deprecated in XHTML 1.1, transformation is taken care of through '$config["xml:lang"]'; see section:- #3.4.1.
+
+ The attribute 'name' is deprecated in 'form', 'iframe', and 'img', and is replaced with 'id' if an 'id' attribute doesn't exist and if the 'name' value is appropriate for 'id' (i.e., doesn't have a non-word character like space). For such replacements for 'a' and 'map', for which the 'name' attribute is deprecated in XHTML 1.1, '$config["no_deprecated_attr"]' should be set to '2' (when set to '1', for these two elements, the 'name' attribute is retained).
+
+
+.. 3.4.7 Anti-spam & 'href' .......................................o
+
+
+ htmLawed (function 'hl_tag()') can check the 'href' attribute values (link addresses) as an anti-spam (email or link spam) measure.
+
+ If '$config["anti_mail_spam"]' is not '0', the '@' of email addresses in 'href' values like 'mailto:a@b.com' is replaced with text specified by '$config["anti_mail_spam"]'. The text should be of a form that makes it clear to others that the address needs to be edited before a mail is sent; e.g., '@' (makes the example address 'a@b.com').
+
+ For regular links, one can choose to have a 'rel' attribute with 'nofollow' in its value (which tells some search engines to not follow a link). This can discourage link spammers. Additionally, or as an alternative, one can choose to empty the 'href' value altogether (disable the link).
+
+ For use of these options, '$config["anti_link_spam"]' should be set as an array with values 'regex1' and 'regex2', both or one of which can be empty (like 'array("", "regex2")') to indicate that that option is not to be used. Otherwise, 'regex1' or 'regex2' should be PHP- and PCRE-compatible regular expression patterns: 'href' values will be matched against them and those matching the pattern will accordingly be treated.
+
+ Note that the regular expressions should have `delimiters`, and be well-formed and preferably fast. Absolute efficiency/accuracy is often not needed.
+
+ An example, to have a 'rel' attribute with 'nofollow' for all links, and to disable links that do not point to domains 'abc.com' and 'xyz.org':
+
+ $config["anti_link_spam"] = array('`.`', '`://\W*(?!(abc\.com|xyz\.org))`');
+
+
+.. 3.4.8 Inline style properties ..................................o
+
+
+ htmLawed can check URL schemes and dynamic expressions (to guard against Javascript, etc., script-based insecurities) in inline CSS style property values in the 'style' attributes. (CSS properties like 'background-image' that accept URLs in their values are noted in section:- #5.3.) Dynamic CSS expressions that allow scripting in the IE browser, and can be a vulnerability, can be removed from property values by setting '$config["css_expression"]' to '1' (default setting). Note that when '$config["css_expression"]' is set to '1', htmLawed will remove '/*' from the 'style' values.
+
+ *Note*: Because of the various ways of representing characters in attribute values (URL-escapement, entitification, etc.), htmLawed might alter the values of the 'style' attribute values, and may even falsely identify dynamic CSS expressions and URL schemes in them. If this is an important issue, checking of URLs and dynamic expressions can be turned off ('$config["schemes"] = "...style:*..."', see section:- #3.4.3, and '$config["css_expression"] = 0'). Alternately, admins can use their own custom function for finer handling of 'style' values through the 'hook_tag' parameter (see section:- #3.4.9).
+
+ It is also possible to have htmLawed let through any 'style' value by setting '$config["style_pass"]' to '1'.
+
+ As such, it is better to set up a CSS file with class declarations, disallow the 'style' attribute, set a '$spec' rule (see section:- #2.3) for 'class' for the 'oneof' or 'match' parameter, and ask writers to make use of the 'class' attribute.
+
+
+.. 3.4.9 Hook function for tag content ............................o
+
+
+ It is possible to utilize a custom hook function to alter the tag content htmLawed has finalized (i.e., after it has checked/corrected for required attributes, transformed attributes, lower-cased attribute names, etc.).
+
+ When '$config' parameter 'hook_tag' is set to the name of a function, htmLawed (function 'hl_tag()') will pass on the element name, and the `finalized` attribute name-value pairs as array elements to the function. The function, after completing a task such as filtering or tag transformation, will typically return an empty string, the full opening tag string like '' (for empty elements like 'img' and 'input', the element-closing slash '/' should also be included), etc.
+
+ Any 'hook_tag' function, since htmLawed version 1.1.11, also receives names of elements in closing tags, such as 'a' in the closing '' tag of the element 'CNN '. No other value is passed to the function since a closing tag contains only element names. Typically, the function will return an empty string or a full closing tag (like '').
+
+ This is a *powerful functionality* that can be exploited for various objectives: consolidate-and-convert inline 'style' attributes to 'class', convert 'embed' elements to 'object', permit only one 'caption' element in a 'table' element, disallow embedding of certain types of media, *inject HTML*, use CSSTidy:- http://csstidy.sourceforge.net to sanitize 'style' attribute values, etc.
+
+ As an example, the custom hook code below can be used to force a series of specifically ordered 'id' attributes on all elements, and a specific 'param' element inside all 'object' elements:
+
+ function my_tag_function($element, $attribute_array=0){
+
+ // If second argument is not received, it means a closing tag is being handled
+ if(is_numeric($attribute_array)){
+ return "$element>";
+ }
+
+ static $id = 0;
+ // Remove any duplicate element
+ if($element == 'param' && isset($attribute_array['allowscriptaccess'])){
+ return '';
+ }
+
+ $new_element = '';
+
+ // Force a serialized ID number
+ $attribute_array['id'] = 'my_'. $id;
+ ++$id;
+
+ // Inject param for allowscriptaccess
+ if($element == 'object'){
+ $new_element = ' ';
+ ++$id;
+ }
+
+ $string = '';
+ foreach($attribute_array as $k=>$v){
+ $string .= " {$k}=\"{$v}\"";
+ }
+
+ static $empty_elements = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1);
+
+ return "<{$element}{$string}". (array_key_exists($element, $empty_elements) ? ' /' : ''). '>'. $new_element;
+ }
+
+ The 'hook_tag' parameter is different from the 'hook' parameter (section:- #3.7).
+
+ Snippets of hook function code developed by others may be available on the htmLawed:- http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed website.
+
+
+-- 3.5 Simple configuration directive for most valid XHTML --------o
+
+
+ If '$config["valid_xhtml"]' is set to '1', some relevant '$config' parameters (indicated by '~' in section:- #2.2) are auto-adjusted. This allows one to pass the '$config' argument with a simpler value. If a value for a parameter auto-set through 'valid_xhtml' is still manually provided, then that value will over-ride the auto-set value.
+
+
+-- 3.6 Simple configuration directive for most `safe` HTML --------o
+
+
+ `Safe` HTML refers to HTML that is restricted to reduce the vulnerability for scripting attacks (such as XSS) based on HTML code which otherwise may still be legal and compliant with the HTML standard specifications. When elements such as 'script' and 'object', and attributes such as 'onmouseover' and 'style' are allowed in the input text, an input writer can introduce malevolent HTML code. Note that what is considered 'safe' depends on the nature of the web application and the trust-level accorded to its users.
+
+ htmLawed allows an admin to use '$config["safe"]' to auto-adjust multiple '$config' parameters (such as 'elements' which declares the allowed element-set), which otherwise would have to be manually set. The relevant parameters are indicated by '"' in section:- #2.2). Thus, one can pass the '$config' argument with a simpler value. Having the 'safe' parameter set to '1' is equivalent to setting the following '$config' parameters to the noted values :
+
+ cdata - 0
+ comment - 0
+ deny_attribute - on*
+ elements - * -applet -audio -canvas -embed -iframe -object -script -video
+ schemes - href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet; style: !; *:file, http, https
+
+ With 'safe' set to '1', htmLawed considers 'CDATA' sections and HTML comments as plain text, and prohibits the 'applet', 'audio', 'canvas', 'embed', 'iframe', 'object', 'script' and 'video' elements, and the 'on*' attributes like 'onclick'. ( There are '$config' parameters like 'css_expression' that are not affected by the value set for 'safe' but whose default values still contribute towards a more `safe` output.) Further, unless overridden by the value for parameter 'schemes' (see section:- #3.4.3), the schemes 'app', 'data' and 'javascript' are not permitted, and URLs with schemes are neutralized so that, e.g., 'style="moz-binding:url(http://danger)"' becomes 'style="moz-binding:url(denied:http://danger)"'.
+
+ Admins, however, may still want to completely deny the 'style' attribute, e.g., with code like
+
+ $processed = htmLawed($text, array('safe'=>1, 'deny_attribute'=>'style'));
+
+ Permitting the 'style' attribute brings in risks of `click-jacking`, etc. CSS property values can render a page non-functional or be used to deface it. Except for URLs, dynamic expressions, and some other things, htmLawed does not completely check 'style' values. It does provide ways for the code-developer implementing htmLawed to do such checks through the '$spec' argument, and through the 'hook_tag' parameter (see section:- #3.4.8 for more). Disallowing style completely and relying on CSS classes and stylesheet files is recommended.
+
+ If a value for a parameter auto-set through 'safe' is still manually provided, then that value can over-ride the auto-set value. E.g., with '$config["safe"] = 1' and '$config["elements"] = "* +script"', 'script', but not 'applet', is allowed. Such over-ride does not occur for 'deny_attribute' (for legacy reason) when comma-separated attribute names are provided as the value for this parameter (section:- #3.4); instead htmLawed will add 'on*' to the value provided for 'deny_attribute'.
+
+ A page illustrating the efficacy of htmLawed's anti-XSS abilities with 'safe' set to '1' against XSS vectors listed by RSnake:- http://ha.ckers.org/xss.html may be available here:- http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed/rsnake/RSnakeXSSTest.htm.
+
+
+-- 3.7 Using a hook function --------------------------------------o
+
+
+ If '$config["hook"]' is not set to '0', then htmLawed will allow preliminarily processed input to be altered by a hook function named by '$config["hook"]' before starting the main work (but after handling of characters, entities, HTML comments and 'CDATA' sections -- see code for function 'htmLawed()').
+
+ The hook function also allows one to alter the `finalized` values of '$config' and '$spec'.
+
+ Note that the 'hook' parameter is different from the 'hook_tag' parameter (section:- #3.4.9).
+
+ Snippets of hook function code developed by others may be available on the htmLawed:- http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed website.
+
+
+-- 3.8 Obtaining `finalized` parameter values ---------------------o
+
+
+ htmLawed can assign the `finalized` '$config' and '$spec' values to a variable named by '$config["show_setting"]'. The variable, made global by htmLawed, is set as an array with three keys: 'config', with the '$config' value, 'spec', with the '$spec' value, and 'time', with a value that is the Unix time (the output of PHP's 'microtime()' function) when the value was assigned. Admins should use a PHP-compliant variable name (e.g., one that does not begin with a numerical digit) that does not conflict with variable names in their non-htmLawed code.
+
+ The values, which are also post-hook function (if any), can be used to auto-generate information (on, e.g., the elements that are permitted) for input writers.
+
+
+-- 3.9 Retaining non-HTML tags in input with mixed markup ---------o
+
+
+ htmLawed does not remove certain characters that, though invalid, are nevertheless `discouraged` in HTML documents as per the specifications (see section:- #5.1). This can be utilized to deal with input that contains mixed markup. Input that may have HTML markup as well as some other markup that is based on the '<', '>' and '&' characters is considered to have mixed markup. The non-HTML markup can be rather proprietary (like markup for emoticons/smileys), or standard (like MathML or SVG). Or it can be programming code meant for execution/evaluation (such as embedded PHP code).
+
+ To deal with such mixed markup, the input text can be pre-processed to hide the non-HTML markup by specifically replacing the '<', '>' and '&' characters with some of the HTML-discouraged characters (see section:- #3.1.2). Post-htmLawed processing, the replacements are reverted.
+
+ An example (mixed HTML and PHP code in input text):
+
+ $text = preg_replace('`<\?php(.+?)\?>`sm', "\x83?php\\1?\x84", $text);
+ $processed = htmLawed($text);
+ $processed = preg_replace('`\x83\?php(.+?)\?\x84`sm', '', $processed);
+
+ This code will not work if '$config["clean_ms_char"]' is set to '1' (section:- #3.1), in which case one should instead deploy a hook function (section:- #3.7). (htmLawed internally uses certain control characters, code-points '1' to '7', and use of these characters as markers in the logic of hook functions may cause issues.)
+
+ Admins may also be able to use '$config["and_mark"]' to deal with such mixed markup; see section:- #3.2.
+
+
+== 4 Other =======================================================oo
+
+
+-- 4.1 Support -----------------------------------------------------
+
+
+ Software updates and forum-based community-support may be found at http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed. For general PHP issues (not htmLawed-specific), support may be found through internet searches and at http://php.net.
+
+
+-- 4.2 Known issues -----------------------------------------------o
+
+
+ See section:- #2.8.
+
+
+-- 4.3 Change-log -------------------------------------------------o
+
+
+ (The release date for the downloadable package of files containing documentation, demo script, test-cases, etc., besides the 'htmLawed.php' file, may be updated without a change-log entry if the secondary files, but not htmLawed per se, are revised.)
+
+ `Version number - Release date. Notes`
+
+ 1.2.5 - 24 September 2019. Fixes two bugs in 'font' tag transformation
+
+ 1.2.4.2 - 16 May 2019. Corrects a PHP notice if a semi-colon is present in '$config["schemes"]'
+
+ 1.2.4.1 - 12 September 2017. Corrects a function re-declaration bug introduced in version 1.2.4
+
+ 1.2.4 - 31 August 2017. Removes use of PHP 'create_function' function and '$php_errormsg' reserved variable (deprecated in PHP 7.2)
+
+ 1.2.3 - 5 July 2017. New option value of '4' for '$config["comments"]' to stop enforcing a space character before the '-->' comment-closing marker
+
+ 1.2.2 - 25 May 2017. Fix for a bug in parsing '$spec' that got introduced in version 1.2; also, '$spec' is now parsed to accommodate specifications for an HTML element when they are specified in multiple rules
+
+ 1.2.1.1 - 17 May 2017. Fix for a potential security vulnerability in transformation of deprecated attributes
+
+ 1.2.1 - 15 May 2017. Fix for a potential security vulnerability in transformation of deprecated attributes
+
+ 1.2 - 11 February 2017. (First beta release on 26 May 2013). Added support for HTML version 5; ARIA, data-* and microdata attributes; 'app', 'data', 'javascript' and 'tel' URL schemes (thus, 'javascript:' is not filtered in default mode). Removed support for code using Kses functions (see section:- #2.6). Changes in revisions to the beta releases are not noted here.
+
+ 1.1.22 - 5 March 2016. Improved testing of attribute value rules specified in '$spec'
+
+ 1.1.21 - 27 February 2016. Improvement and security fix in transforming 'font' element
+
+ 1.1.20 - 9 June 2015. Fix for a potential security vulnerability arising from unescaped double-quote character in single-quoted attribute value of some deprecated elements when tag transformation is enabled; recognition for non-(HTML 4) standard 'allowfullscreen' attribute of 'iframe'
+
+ 1.1.19 - 19 January 2015. Fix for a bug in cleaning of soft-hyphens in URL values, etc
+
+ 1.1.18 - 2 August 2014. Fix for a potential security vulnerability arising from specially encoded text with serial opening tags
+
+ 1.1.17 - 11 March 2014. Removed use of PHP function preg_replace with 'e' modifier for compatibility with PHP 5.5.
+
+ 1.1.16 - 29 August 2013. Fix for a potential security vulnerability arising from specialy encoded space characters in URL schemes/protocols
+
+ 1.1.15 - 11 August 2013. Improved tidying/prettifying functionality
+
+ 1.1.14 - 8 August 2012. Fix for possible segmental loss of incremental indentation during 'tidying' when 'balance' is disabled; fix for non-effectuation under some circumstances of a corrective behavior to preserve plain text within elements like 'blockquote'
+
+ 1.1.13 - 22 July 2012. Added feature allowing use of custom, non-standard attributes or custom rules for standard attributes
+
+ 1.1.12 - 5 July 2012. Fix for a bug in identifying an unquoted value of the 'face' attribute
+
+ 1.1.11 - 5 June 2012. Fix for possible problem with handling of multi-byte characters in attribute values in an mbstring.func_overload enviroment. '$config["hook_tag"]', if specified, now receives names of elements in closing tags.
+
+ 1.1.10 - 22 October 2011. Fix for a bug in the 'tidy' functionality that caused the entire input to be replaced with a single space; new parameter, '$config["direct_list_nest"]' to allow direct descendance of a list in a list. (5 April 2012. Dual licensing from LGPLv3 to LGPLv3 and GPLv2+.)
+
+ 1.1.9.5 - 6 July 2011. Minor correction of a rule for nesting of 'li' within 'dir'
+
+ 1.1.9.4 - 3 July 2010. Parameter 'schemes' now accepts '!' so any URL, even a local one, can be `denied`. An issue in which a second URL value in 'style' properties was not checked was fixed.
+
+ 1.1.9.3 - 17 May 2010. Checks for correct nesting of 'param'
+
+ 1.1.9.2 - 26 April 2010. Minor fix regarding rendering of denied URL schemes
+
+ 1.1.9.1 - 26 February 2010. htmLawed now uses the LGPL version 3 license; support for 'flashvars' attribute for 'embed'
+
+ 1.1.9 - 22 December 2009. Soft-hyphens are now removed only from URL-accepting attribute values
+
+ 1.1.8.1 - 16 July 2009. Minor code-change to fix a PHP error notice
+
+ 1.1.8 - 23 April 2009. Parameter 'deny_attribute' now accepts the wild-card '*', making it simpler to specify its value when all but a few attributes are being denied; fixed a bug in interpreting '$spec'
+
+ 1.1.7 - 11-12 March 2009. Attributes globally denied through 'deny_attribute' can be allowed element-specifically through '$spec'; '$config["style_pass"]' allowing letting through any 'style' value introduced; altered logic to catch certain types of dynamic crafted CSS expressions
+
+ 1.1.3-6 - 28-31 January - 4 February 2009. Altered logic to catch certain types of dynamic crafted CSS expressions
+
+ 1.1.2 - 22 January 2009. Fixed bug in parsing of 'font' attributes during tag transformation
+
+ 1.1.1 - 27 September 2008. Better nesting correction when omitable closing tags are absent
+
+ 1.1 - 29 June 2008. '$config["hook_tag"]' and '$config["tidy"]' introduced for custom tag/attribute check/modification/injection and output compaction/beautification; fixed a regex-in-$spec parsing bug
+
+ 1.0.9 - 11 June 2008. Fix for a bug in checks for invalid HTML code-point entities
+
+ 1.0.8 - 15 May 2008. Permit 'bordercolor' attribute for 'table', 'td' and 'tr'
+
+ 1.0.7 - 1 May 2008. Support for 'wmode' attribute for 'embed'; '$config["show_setting"]' introduced; improved '$config["elements"]' evaluation
+
+ 1.0.6 - 20 April 2008. '$config["and_mark"]' introduced
+
+ 1.0.5 - 12 March 2008. 'style' URL schemes essentially disallowed when $config 'safe' is on; improved regex for CSS expression search
+
+ 1.0.4 - 10 March 2008. Improved corrections for 'blockquote', 'form', 'map' and 'noscript'
+
+ 1.0.3 - 3 March 2008. Character entities for soft-hyphens are now replaced with spaces (instead of being removed); fix for a bug allowing 'td' directly inside 'table'; '$config["safe"]' introduced
+
+ 1.0.2 - 13 February 2008. Improved implementation of '$config["keep_bad"]'
+
+ 1.0.1 - 7 November 2007. Improved regex for identifying URLs, protocols and dynamic expressions ('hl_tag()' and 'hl_prot()'); no error display with 'hl_regex()'
+
+ 1.0 - 2 November 2007. First release
+
+
+-- 4.4 Testing ----------------------------------------------------o
+
+
+ To test htmLawed using a form interface, a demo:- htmLawedTest.php web-page is provided with the htmLawed distribution ('htmLawed.php' and 'htmLawedTest.php' should be in the same directory on the web-server). A file with test-cases:- htmLawed_TESTCASE.txt is also provided.
+
+
+-- 4.5 Upgrade, & old versions ------------------------------------o
+
+
+ Upgrading is as simple as replacing the previous version of 'htmLawed.php', assuming the file was not modified for customized features. As htmLawed output is almost always used in static documents, upgrading should not affect old, finalized content.
+
+ *Note:* The following upgrades may affect the functionality of a specific htmLawed installation:
+
+ (1) From version 1.1-1.1.10 to 1.1.11 or later, if a 'hook_tag' function is in use: In version 1.1.11 and later, elements in closing tags (and not just the opening tags) are also passed to the function. There are no attribute names/values to pass, so a 'hook_tag' function receives only the element name. The 'hook_tag' function therefore may have to be edited. See section:- #3.4.9.
+
+ (2) From version older than 1.2.beta to later, if htmLawed was used as Kses replacement with Kses code in use: In version 1.2.beta or later, htmLawed no longer provides direct support for code that uses Kses functions (see section:- #2.6).
+
+ (3) From version older than 1.2 to later, if htmLawed is used without '$config["safe"]' set to 1: Unlike previous versions, htmLawed version 1.2 and later permit 'data' and 'javascript' URL schemes by default (see section:- #3.4.3).
+
+ Old versions of htmLawed may be available online. E.g., for version 1.0, check http://www.bioinformatics.org/phplabware/downloads/htmLawed1.zip; for 1.1.1, http://www.bioinformatics.org/phplabware/downloads/htmLawed111.zip; and for 1.1.22, http://www.bioinformatics.org/phplabware/downloads/htmLawed1122.zip.
+
+
+-- 4.6 Comparison with 'HTMLPurifier' -----------------------------o
+
+
+ The HTMLPurifier PHP library by Edward Yang is a very good HTML filtering script that uses object oriented PHP code. Compared to htmLawed, it (as of year 2015):
+
+ * does not support PHP versions older than 5.0 (HTMLPurifier dropped PHP 4 support after version 2)
+
+ * is 15-20 times bigger (scores of files totalling more than 750 kb)
+
+ * consumes 10-15 times more RAM memory (just including the HTMLPurifier files without calling the filter requires a few MBs of memory)
+
+ * is expectedly slower
+
+ * lacks many of the extra features of htmLawed (like entity conversions and code compaction/beautification)
+
+ * has poor documentation
+
+ However, HTMLPurifier has finer checks for character encodings and attribute values, and can log warnings and errors. Visit the HTMLPurifier website:- http://htmlpurifier.org for updated information.
+
+
+-- 4.7 Use through application plug-ins/modules -------------------o
+
+
+ Plug-ins/modules to implement htmLawed in applications such as Drupal may have been developed. Check the application websites and the htmLawed forum:- http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed.
+
+
+-- 4.8 Use in non-PHP applications --------------------------------o
+
+
+ Non-PHP applications written in Python, Ruby, etc., may be able to use htmLawed through system calls to the PHP engine. Such code may have been documented on the internet. Also check the forum on the htmLawed site:- http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed.
+
+
+-- 4.9 Donate -----------------------------------------------------o
+
+
+ A donation in any currency and amount to appreciate or support this software can be sent by PayPal:- http://paypal.com to this email address: drpatnaik at yahoo dot com.
+
+
+-- 4.10 Acknowledgements ------------------------------------------o
+
+
+ Nicholas Alipaz, Bryan Blakey, Pádraic Brady, Dac Chartrand, Alexandre Chouinard, Ulf Harnhammer, Gareth Heyes, Hakre, Klaus Leithoff, Lukasz Pilorz, Shelley Powers, Psych0tr1a, Lincoln Russell, Tomas Sykorka, Harro Verton, Edward Yang, and many anonymous users.
+
+ Thank you!
+
+
+== 5 Appendices ==================================================oo
+
+
+-- 5.1 Characters discouraged in XHTML -----------------------------
+
+
+ Characters represented by the following hexadecimal code-points are `not` invalid, even though some validators may issue messages stating otherwise.
+
+ '7f' to '84', '86' to '9f', 'fdd0' to 'fddf', '1fffe', '1ffff', '2fffe', '2ffff', '3fffe', '3ffff', '4fffe', '4ffff', '5fffe', '5ffff', '6fffe', '6ffff', '7fffe', '7ffff', '8fffe', '8ffff', '9fffe', '9ffff', 'afffe', 'affff', 'bfffe', 'bffff', 'cfffe', 'cffff', 'dfffe', 'dffff', 'efffe', 'effff', 'ffffe', 'fffff', '10fffe' and '10ffff'
+
+
+-- 5.2 Valid attribute-element combinations -----------------------o
+
+
+ * includes deprecated attributes (marked '^'), attributes for microdata (marked '*'), the non-standard 'bordercolor', and new-in-HTML5 attributes (marked '~'); can have multiple comma-separated values (marked '%'); can have multiple space-separated values (marked '$')
+ * only non-frameset, HTML body elements
+ * 'name' for 'a' and 'map', and 'lang' are invalid in XHTML 1.1
+ * 'target' is valid for 'a' in XHTML 1.1 and higher
+ * 'xml:space' is only for XHTML 1.1
+
+ abbr - td, th
+ accept - form, input
+ accept-charset - form
+ action - form
+ align - applet, caption^, col, colgroup, div^, embed, h1^, h2^, h3^, h4^, h5^, h6^, hr^, iframe, img^, input^, legend^, object^, p^, table^, tbody, td, tfoot, th, thead, tr
+ allowfullscreen - iframe
+ alt - applet, area, img, input
+ archive - applet, object
+ async~ - script
+ autocomplete~ - input
+ autofocus~ - button, input, keygen, select, textarea
+ autoplay~ - audio, video
+ axis - td, th
+ bgcolor - embed, table^, td^, th^, tr^
+ border - img, object^, table
+ bordercolor - table, td, tr
+ cellpadding - table
+ cellspacing - table
+ challenge~ - keygen
+ char - col, colgroup, tbody, td, tfoot, th, thead, tr
+ charoff - col, colgroup, tbody, td, tfoot, th, thead, tr
+ charset - a, script
+ checked - command, input
+ cite - blockquote, del, ins, q
+ classid - object
+ clear - br^
+ code - applet
+ codebase - object, applet
+ codetype - object
+ color - font
+ cols - textarea
+ colspan - td, th
+ compact - dir, dl^, menu, ol^, ul^
+ content - meta
+ controls~ - audio, video
+ coords - area, a
+ crossorigin~ - img
+ data - object
+ datetime - del, ins, time
+ declare - object
+ default~ - track
+ defer - script
+ dir - bdo
+ dirname~ - input, textarea
+ disabled - button, command, fieldset, input, keygen, optgroup, option, select, textarea
+ download~ - a
+ enctype - form
+ face - font
+ flashvars** - embed
+ for - label, output
+ form~ - button, fieldset, input, keygen, label, object, output, select, textarea
+ formaction~ - button, input
+ formenctype~ - button, input
+ formmethod~ - button, input
+ formnovalidate~ - button, input
+ formtarget~ - button, input
+ frame - table
+ frameborder - iframe
+ headers - td, th
+ height - applet, canvas, embed, iframe, img, input, object, td^, th^, video
+ high~ - meter
+ href - a, area, link
+ hreflang - a, area, link
+ hspace - applet, embed, img^, object^
+ icon~ - command
+ ismap - img, input
+ keytype~ - keygen
+ keyparams~ - keygen
+ kind~ - track
+ label - command, menu, option, optgroup, track
+ language - script^
+ list~ - input
+ longdesc - img, iframe
+ loop~ - audio, video
+ low~ - meter
+ marginheight - iframe
+ marginwidth - iframe
+ max~ - input, meter, progress
+ maxlength - input, textarea
+ media~ - a, area, link, source, style
+ mediagroup~ - audio, video
+ method - form
+ min~ - input, meter
+ model** - embed
+ multiple - input, select
+ muted~ - audio, video
+ name - a^, applet^, button, embed, fieldset, form^, iframe^, img^, input, keygen, map^, object, output, param, select, textarea
+ nohref - area
+ noshade - hr^
+ novalidate~ - form
+ nowrap - td^, th^
+ object - applet
+ open~ - details
+ optimum~ - meter
+ pattern~ - input
+ ping~ - a, area
+ placeholder~ - input, textarea
+ pluginspage** - embed
+ pluginurl** - embed
+ poster~ - video
+ pqg~ - keygen
+ preload~ - audio, video
+ prompt - isindex
+ pubdate~ - time
+ radiogroup* - command
+ readonly - input, textarea
+ required~ - input, select, textarea
+ rel$ - a, area, link
+ rev - a
+ reversed~ - old
+ rows - textarea
+ rowspan - td, th
+ rules - table
+ sandbox~ - iframe
+ scope - td, th
+ scoped~ - style
+ scrolling - iframe
+ seamless~ - iframe
+ selected - option
+ shape - area, a
+ size - font, hr^, input, select
+ sizes~ - link
+ span - col, colgroup
+ src - audio, embed, iframe, img, input, script, source, track, video
+ srcdoc~ - iframe
+ srclang~ - track
+ srcset~% - img
+ standby - object
+ start - ol
+ step~ - input
+ summary - table
+ target - a, area, form
+ type - a, area, button, command, embed, input, li, link, menu, object, ol, param, script, source, style, ul
+ typemustmatch~ - object
+ usemap - img, input, object
+ valign - col, colgroup, tbody, td, tfoot, th, thead, tr
+ value - button, data, input, li, meter, option, param, progress
+ valuetype - param
+ vspace - applet, embed, img^, object^
+ width - applet, canvas, col, colgroup, embed, hr^, iframe, img, input, object, pre^, table, td^, th^, video
+ wmode - embed
+ wrap~ - textarea
+
+ The following attributes, including event-specific ones and attributes of ARIA and microdata specifications, are considered global and allowed in all elements:
+
+ accesskey, aria-activedescendant, aria-atomic, aria-autocomplete, aria-busy, aria-checked, aria-controls, aria-describedby, aria-disabled, aria-dropeffect, aria-expanded, aria-flowto, aria-grabbed, aria-haspopup, aria-hidden, aria-invalid, aria-label, aria-labelledby, aria-level, aria-live, aria-multiline, aria-multiselectable, aria-orientation, aria-owns, aria-posinset, aria-pressed, aria-readonly, aria-relevant, aria-required, aria-selected, aria-setsize, aria-sort, aria-valuemax, aria-valuemin, aria-valuenow, aria-valuetext, class$, contenteditable, contextmenu, dir, draggable, dropzone, hidden, id, inert, itemid, itemprop, itemref, itemscope, itemtype, lang, onabort, onblur, oncanplay, oncanplaythrough, onchange, onclick, oncontextmenu, oncopy, oncuechange, oncut, ondblclick, ondrag, ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop, ondurationchange, onemptied, onended, onerror, onfocus, onformchange, onforminput, oninput, oninvalid, onkeydown, onkeypress, onkeyup, onload, onloadeddata, onloadedmetadata, onloadstart, onlostpointercapture, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onmousewheel, onpaste, onpause, onplay, onplaying, onpointercancel, ongotpointercapture, onpointerdown, onpointerenter, onpointerleave, onpointermove, onpointerout, onpointerover, onpointerup, onprogress, onratechange, onreadystatechange, onreset, onsearch, onscroll, onseeked, onseeking, onselect, onshow, onstalled, onsubmit, onsuspend, ontimeupdate, ontoggle, ontouchcancel, ontouchend, ontouchmove, ontouchstart, onvolumechange, onwaiting, onwheel, role, spellcheck, style, tabindex, title, translate, xmlns, xml:base, xml:lang, xml:space
+
+ Custom `data-*` attributes, where the first three characters of the value of `star` (*) after lower-casing do not equal 'xml' and the value of `star` does not have a colon (:), equal-to (=), newline, solidus (/), space, tab, or any A-Z character, are also considered global and allowed in all elements.
+
+
+-- 5.3 CSS 2.1 properties accepting URLs --------------------------o
+
+
+ background
+ background-image
+ content
+ cue-after
+ cue-before
+ cursor
+ list-style
+ list-style-image
+ play-during
+
+
+-- 5.4 Microsoft Windows 1252 character replacements --------------o
+
+
+ Key: 'd' double, 'l' left, 'q' quote, 'r' right, 's.' single
+
+ Code-point (decimal) - hexadecimal value - replacement entity - represented character
+
+ 127 - 7f - (removed) - (not used)
+ 128 - 80 - € - euro
+ 129 - 81 - (removed) - (not used)
+ 130 - 82 - ‚ - baseline s. q
+ 131 - 83 - ƒ - florin
+ 132 - 84 - „ - baseline d q
+ 133 - 85 - … - ellipsis
+ 134 - 86 - † - dagger
+ 135 - 87 - ‡ - d dagger
+ 136 - 88 - ˆ - circumflex accent
+ 137 - 89 - ‰ - permile
+ 138 - 8a - Š - S Hacek
+ 139 - 8b - ‹ - l s. guillemet
+ 140 - 8c - Œ - OE ligature
+ 141 - 8d - (removed) - (not used)
+ 142 - 8e - Ž - Z dieresis
+ 143 - 8f - (removed) - (not used)
+ 144 - 90 - (removed) - (not used)
+ 145 - 91 - ‘ - l s. q
+ 146 - 92 - ’ - r s. q
+ 147 - 93 - “ - l d q
+ 148 - 94 - ” - r d q
+ 149 - 95 - • - bullet
+ 150 - 96 - – - en dash
+ 151 - 97 - — - em dash
+ 152 - 98 - ˜ - tilde accent
+ 153 - 99 - ™ - trademark
+ 154 - 9a - š - s Hacek
+ 155 - 9b - › - r s. guillemet
+ 156 - 9c - œ - oe ligature
+ 157 - 9d - (removed) - (not used)
+ 158 - 9e - ž - z dieresis
+ 159 - 9f - Ÿ - Y dieresis
+
+
+-- 5.5 URL format -------------------------------------------------o
+
+
+ An `absolute` URL has a 'protocol' or 'scheme', a 'network location' or 'hostname', and, optional 'path', 'parameters', 'query' and 'fragment' segments. Thus, an absolute URL has this generic structure:
+
+ (scheme) : (//network location) /(path) ;(parameters) ?(query) #(fragment)
+
+ The schemes can only contain letters, digits, '+', '.' and '-'. Hostname is the portion after the '//' and up to the first '/' (if any; else, up to the end) when ':' is followed by a '//' (e.g., 'abc.com' in 'ftp://abc.com/def'); otherwise, it consists of everything after the ':' (e.g., 'def@abc.com' in mailto:def@abc.com').
+
+ `Relative` URLs do not have explicit schemes and network locations; such values are inherited from a `base` URL.
+
+
+-- 5.6 Brief on htmLawed code -------------------------------------o
+
+
+ Much of the code's logic and reasoning can be understood from the documentation above.
+
+ The *output* of htmLawed is a text string containing the processed input. There is no custom error tracking.
+
+ *Function arguments* for htmLawed are:
+
+ * '$in' - first argument; a text string; the *input text* to be processed. Any extraneous slashes added by PHP when `magic quotes` are enabled should be removed beforehand using PHP's 'stripslashes()' function.
+
+ * '$config' - second argument; an associative array; optional; named '$C' within htmLawed code. The array has keys with names like 'balance' and 'keep_bad', and the values, which can be boolean, string, or array, depending on the key, are read to accordingly set the *configurable parameters* (indicated by the keys). All configurable parameters receive some default value if the value to be used is not specified by the user through '$config'. `Finalized` '$config' is thus a filtered and possibly larger array.
+
+ * '$spec' - third argument; a text string; optional. The string has rules, written in an htmLawed-designated format, *specifying* element-specific attribute and attribute value restrictions. Function 'hl_spec()' is used to convert the string to an associative-array, named '$S' within htmLawed code, for internal use. `Finalized` '$spec' is thus an array.
+
+ `Finalized` '$config' and '$spec' are made *global variables* while htmLawed is at work. Values of any pre-existing global variables with same names are noted, and their values are restored after htmLawed finishes processing the input (to capture the `finalized` values, the 'show_settings' parameter of '$config' should be used). Depending on '$config', another global variable 'hl_Ids', to track 'id' attribute values for uniqueness, may be set. Unlike the other two variables, this one is not reset (or unset) post-processing.
+
+ Except for the main 'htmLawed()' function, htmLawed's functions are *name-spaced* using the 'hl_' prefix. The *functions* and their roles are:
+
+ * 'hl_attrval' - check attribute values against '$spec'
+ * 'hl_bal' - balance tags and ensure proper nesting
+ * 'hl_cmtcd' - handle CDATA sections and HTML comments
+ * 'hl_ent' - handle character entities
+ * 'hl_prot' - check a URL scheme/protocol
+ * 'hl_regex' - check syntax of a regular expression
+ * 'hl_spec' - convert user-supplied '$spec' value to one used internally
+ * 'hl_tag' - handle element tags and attributes
+ * 'hl_tag2' - transform element tags
+ * 'hl_tidy' - compact/beautify HTML
+ * 'hl_version' - report htmLawed version
+ * 'htmLawed' - main function
+
+ 'htmLawed()' finalizes '$spec' (with the help of 'hl_spec()') and '$config', and globalizes them. Finalization of '$config' involves setting default values if an inappropriate or invalid one is supplied. This includes calling 'hl_regex()' to check well-formedness of regular expression patterns if such expressions are user-supplied through '$config'. 'htmLawed()' then removes invalid characters like nulls and 'x01' and appropriately handles entities using 'hl_ent()'. HTML comments and CDATA sections are identified and treated as per '$config' with the help of 'hl_cmtcd()'. When retained, the '<' and '>' characters identifying them, and the '<', '>' and '&' characters inside them, are replaced with control characters (code-points '1' to '5') till any tag balancing is completed.
+
+ After this `initial processing` 'htmLawed()' identifies tags using regex and processes them with the help of 'hl_tag()' -- a large function that analyzes tag content, filtering it as per HTML standards, '$config' and '$spec'. Among other things, 'hl_tag()' transforms deprecated elements using 'hl_tag2()', removes attributes from closing tags, checks attribute values as per '$spec' rules using 'hl_attrval()', and checks URL protocols using 'hl_prot()'. 'htmLawed()' performs tag balancing and nesting checks with a call to 'hl_bal()', and optionally compacts/beautifies the output with proper white-spacing with a call to 'hl_tidy()'. The latter temporarily replaces white-space, and '<', '>' and '&' characters inside 'pre', 'script' and 'textarea' elements, and HTML comments and CDATA sections with control characters (code-points '1' to '5', and '7').
+
+ htmLawed permits the use of custom code or *hook functions* at two stages. The first, called inside 'htmLawed()', allows the input text as well as the finalized '$config' and '$spec' values to be altered right after the initial processing (see section:- #3.7). The second is called by 'hl_tag()' once the tag content is finalized (see section:- #3.4.9).
+
+ The functionality of htmLawed is dictated by the external HTML standards. The code of htmLawed is thus written for a clear-cut aim, with not much concern for tweaking by other developers. The code is only minimally annotated with comments -- it is not meant to instruct. PHP developers familiar with the HTML specifications will see the logic, and others can always refer to the htmLawed documentation.
+
+___________________________________________________________________oo
+
+
+@@description: htmLawed PHP software is a free, open-source, customizable HTML input purifier and filter
+@@encoding: utf-8
+@@keywords: htmLawed, HTM, HTML, HTML5, HTML 5, XHTML, XHTML5, HTML Tidy, converter, filter, formatter, purifier, sanitizer, XSS, input, PHP, software, code, script, security, cross-site scripting, hack, sanitize, remove, standards, tags, attributes, elements, Aria, Ruby, data attributes, tidy, indent, auto-indent, prettify, pretty print
+@@language: en
+@@title: htmLawed documentation
diff --git a/lib/htmlawed/htmLawed_TESTCASE.txt b/lib/htmlawed/htmLawed_TESTCASE.txt
new file mode 100755
index 0000000..24b00e7
--- /dev/null
+++ b/lib/htmlawed/htmLawed_TESTCASE.txt
@@ -0,0 +1,455 @@
+/*
+htmLawed_TESTCASE.txt, 24 September 2019
+To test htmLawed
+Copyright Santosh Patnaik
+Dual licensed with LGPL 3 and GPL 2+
+A PHP Labware internal utility - www.bioinformatics.org/phplabware/internal_utilities/htmLawed
+*/
+
+This file has UTF-8-encoded text with both correct and incorrect/malformed HTML/XHTML code snippets to test htmLawed (test cases/samples). The entire text may also be used as a unit.
+
+************************************************
+when viewing this file in a web browser, set the
+character encoding to Unicode/UTF-8
+************************************************
+
+--------------------- start --------------------
+
+Try different $config and $spec values. Some text even when filtered in will not be displayed in a rendered web-page
+
+Attributes
+
+Xml:lang: , ,
+Standard, predefined value, or empty attribute: , ,
+Required: ,
+Quote & space variation: a , a , a
+Invalid: a
+Duplicated: a
+Deprecated: a ,
+Casing:
+Custom:
+Data-*: a
+Admin-restricted?:
+
+Attribute values
+
+Duplicate ID value: , ,
+(try 'my_' for prefix)
+Double-quotes in value: , ,
+(try filter for CSS expression)
+CSS expression :
+Other: ,
+(try 'maxlen', 'maxval', etc., for 'input' in '$spec')
+
+Blockquotes
+
+abc
+abcdef
+abc
def
+abcdef
ghi
+abcdef
ghi
+QQQx
+x
QQQ
+x
QQQx
+x
QQQx
+
+(try with blockquote parent)
+
+CDATA sections
+
+Special characters inside: ]]>, 3.5, & 4 > 4 ]]>
+Normal: , CDATA follows:
+Malformed: , < ![CDATA check ]]>, , < ![CDATA check ] ]>
+Invalid: >CDATA in tag content ,
+
+Complex-1: deprecated elements
+
+
+The PHP software script used for this web-page webpage is htmLawedTest.php , from PHP Labware .
+
+
+Complex-2: deprecated attributes
+
+
+
+
+
+
+
+
+
+
+
+ First item
+
+
+
+
+
+Complex-3: embed, object, area
+
+
+
+
+
+
+navigate the site: 1 | 3 | 4
+
+
+
+ value
+
+
+
+
+
+
+
+
+Complex-4: nested and other tables
+
+
+PCDATA wrong:
+Missing tr:
+
+Complex-5: pseudo, disallowed or non-HTML tags
+
+(Try different 'keep_bad' values)
+<*> Pseudotags <*>
+Non-HTML tag xml
+
+Disallowed tag p
+
+
+
+Elements
+
+Unbalanced: check
+Non-XHTML:
+Malformed: < a href="">, , , , < /a>, < a href=""> , , ,
+Invalid:
+Empty: , , text
+Content invalid: 1 2
+Content invalid?: (try setting 'form' as parent)
+Casing:
+Check for tidy: hi
+
+
Entities
+
+
Special: & 3 < 2 & 5>4 and j >i >a & i
a
+Padding: B B f f
+Malformed: & #x27;, &x27;, ' &TILDE;, &tilde
+Invalid: , , , , , &bad;
+Discouraged characters: , , ,
+Context: '>', <?
+Casing: ', ', &TILDE;, ˜
+
+(also check named-to-numeric and hexdec-to-decimal, and vice versa, conversions)
+
+Format
+
+Valid but ill-formatted: text
+text
+ text textp r e
+text
+ text text
+ text text
+text tex t
+text t e x t
+ text t e x t
+
+text t e x t
+
+
+
+(try to compact or beautify)
+
+Forms
+
+(note nesting of 'form', missing required attributes, etc.)
+
+
+p l
+ h
+t
+
+
+B: C:
+(try each of these lines separately)
+what
+ what
+(try with container as div and as form)
+ c a b
+
+HTML comments (also CDATA)
+
+Script inside:
+Special characters inside: , , , c
+Normal: , , comment: ,
+Malformed: , < ![CDATA check ]]>, < ![CDATA check ] ]>
+Invalid: >comment in tag content ,
+
+HTML5
+
+figure and figcaption: Caption for the awesome picture
+article: A B
C E F
G
+meter : Heat 150 .
+datalist :
+
+Ins-Del
+
+(depending on context, these elements can be of either block or inline type)
+block
+d
+d
d
+
+Lists
+
+Invalid character data :
+Definition list : a badfirst one b second
+Definition list, close-tags omitted : a badfirst one b second
+Definition lists, nested :
+ T1
+ D1
+ T2
+ D2t1 d1 t2 d2
+ T3
+ D3
+ T4
+ D4t1 d1
+
+Definition lists, nested, close-tags omitted :
+ T1
+ D1
+ T2
+ D2t1 d1 t2 d2
+ T3
+ D3
+ T4
+ D4t1 d1
+
+Nested :
+ l1
+ l2lo1 lo2
+ l3
+ l4lo3 lo4lo5
+
+Nested, directly :
+Nested, close-tags omitted :
+ l1
+ l2lo1 lo2
+ l3
+ l4lo3 lo4lo5
+
+Complex :
+
+Menu :
+ New...
+ Cut...
+
+
+Microdata
+
+
+I am
X but people call me
Y .
+Find me at
www.xy.com
+
+
+Microsoft Word
+
+Proprietary tag :
+XML declaration :
+XML-invalid character code-point (may not replicate) : “Where is he?” asked both Mary – the one so lovely – and Jane.
+
+Nesting
+
+Block or inline a : text
hi
+
+Non-English text-1
+
+Inscrieţi-vă acum la a Zecea Conferinţă Internaţională
+გთხოვთ ახლავე გაიაროთ რეგისტრაცია
+večjezično računalništvo
+อ.อ่าง
+Зарегистрируйтесь сейчас
+на Десятую Международную Конференцию по
+(this file should have utf-8 encoding; some characters may not be displayed because of missing fonts, etc.)
+
+Non-English text-2: entities
+
+用统一码
+გთხოვთ
+Inscreva-se agora para a Décima Conferência Internacional Sobre O Unicode, realizada entre os dias 10 e 12 de março de 1997 em Mainz
+na Alemanha.
+
+Ruby
+
+(need compatible browser)
+
+
+ 斎
+ 藤
+ 信
+ 男
+
+
+ さい
+ とう
+ のぶ
+ お
+
+
+ W3C Associate Chairman
+
+
+
+ WWW
+ ( World Wide Web )
+
+
+ A
+ ( aaa )
+
+
+
+Tables
+
+Omitted closing tags:
+
+
+h1c1 h1c2
+
+r1c1 r1c2
+ r2c1 r2c2
+
+Nested, omitted closing tags:
+
+
+h1c1 h1c2
+
+r1c1 r1c2
+
+
+h1c1 h1c2
+
+r1c1 r1c2
+ r2c1 r2c2
+
+ r2c1 r2c2
+
+
+Tag transformation
+Font element with malicious code:
+Font element intended as 'inline' element: hi
+Font element intended as 'block' element:
+Font element intended as 'block' element: hi
QQQ
+
+Tidy
+White-space handling: abc def ghi abc def ghi
+
+URLs
+
+Relative and absolute: , , , , , ,
+(try base URL value of 'http://a.com/b/')
+CSS URLs:
,
,
,
,
+Double URLs: b
+Anti-spam: (try regex for 'http://a.com', etc.) , , , , , , ,
+Soft-hyphen: ídisc
+
+XSS
+
+
+'';!--"=&{()}
+
+
+
+
+test
+
+
+
+
+
+
+
+test
+Bad IE7: x
+Opera: link
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: xxx
+Bad IE7: x
+Bad IE7: x
+Bad IE7: x
+Bad IE7: x
+Bad IE7: exp/*x
+Bad IE7: hi
+Bad IE7: hi
+Bad IE7: test
+Bad IE7: hi
+Bad IE7: hi
+
+Other
+
+3 < 4
+3 > 4
+ > 3
+<._.> hi!
+<<< ALERT >>>
+ some stuff
+
+
+
+if(13age){say 'teen'}
+age >51 and a smoking history of >51 pack-years was
+age > 51 and a smoking history of >51 pack-years was
+age <51 and a smoking history of <51 pack-years was
+age < 51 and a smoking history of < 51 pack-years was
+age >51 and a smoking history of >51 pack-years
+age > 51 and a smoking history of >51 pack-years
+age <51 and a smoking history of <51 pack-years
+age < 51 and a smoking history of < 51 pack-years
--
cgit v1.2.3
+htmLawed 1.2.5, 24 September 2019
+Copyright Santosh Patnaik
+Dual licensed with LGPL 3 and GPL 2+
+A PHP Labware internal utility - http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed