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authorpolo <ordipolo@gmx.fr>2024-08-13 23:45:21 +0200
committerpolo <ordipolo@gmx.fr>2024-08-13 23:45:21 +0200
commitbf6655a534a6775d30cafa67bd801276bda1d98d (patch)
treec6381e3f6c81c33eab72508f410b165ba05f7e9c /vendor/symfony/var-exporter/Internal/Exporter.php
parent94d67a4b51f8e62e7d518cce26a526ae1ec48278 (diff)
downloadAppliGestionPHP-bf6655a534a6775d30cafa67bd801276bda1d98d.zip
VERSION 0.2 doctrine ORM et entités
Diffstat (limited to 'vendor/symfony/var-exporter/Internal/Exporter.php')
-rw-r--r--vendor/symfony/var-exporter/Internal/Exporter.php418
1 files changed, 418 insertions, 0 deletions
diff --git a/vendor/symfony/var-exporter/Internal/Exporter.php b/vendor/symfony/var-exporter/Internal/Exporter.php
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1<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Symfony\Component\VarExporter\Internal;
13
14use Symfony\Component\VarExporter\Exception\NotInstantiableTypeException;
15
16/**
17 * @author Nicolas Grekas <p@tchwork.com>
18 *
19 * @internal
20 */
21class Exporter
22{
23 /**
24 * Prepares an array of values for VarExporter.
25 *
26 * For performance this method is public and has no type-hints.
27 *
28 * @param array &$values
29 * @param \SplObjectStorage $objectsPool
30 * @param array &$refsPool
31 * @param int &$objectsCount
32 * @param bool &$valuesAreStatic
33 *
34 * @return array
35 *
36 * @throws NotInstantiableTypeException When a value cannot be serialized
37 */
38 public static function prepare($values, $objectsPool, &$refsPool, &$objectsCount, &$valuesAreStatic)
39 {
40 $refs = $values;
41 foreach ($values as $k => $value) {
42 if (\is_resource($value)) {
43 throw new NotInstantiableTypeException(get_resource_type($value).' resource');
44 }
45 $refs[$k] = $objectsPool;
46
47 if ($isRef = !$valueIsStatic = $values[$k] !== $objectsPool) {
48 $values[$k] = &$value; // Break hard references to make $values completely
49 unset($value); // independent from the original structure
50 $refs[$k] = $value = $values[$k];
51 if ($value instanceof Reference && 0 > $value->id) {
52 $valuesAreStatic = false;
53 ++$value->count;
54 continue;
55 }
56 $refsPool[] = [&$refs[$k], $value, &$value];
57 $refs[$k] = $values[$k] = new Reference(-\count($refsPool), $value);
58 }
59
60 if (\is_array($value)) {
61 if ($value) {
62 $value = self::prepare($value, $objectsPool, $refsPool, $objectsCount, $valueIsStatic);
63 }
64 goto handle_value;
65 } elseif (!\is_object($value) || $value instanceof \UnitEnum) {
66 goto handle_value;
67 }
68
69 $valueIsStatic = false;
70 if (isset($objectsPool[$value])) {
71 ++$objectsCount;
72 $value = new Reference($objectsPool[$value][0]);
73 goto handle_value;
74 }
75
76 $class = $value::class;
77 $reflector = Registry::$reflectors[$class] ??= Registry::getClassReflector($class);
78 $properties = [];
79
80 if ($reflector->hasMethod('__serialize')) {
81 if (!$reflector->getMethod('__serialize')->isPublic()) {
82 throw new \Error(sprintf('Call to %s method "%s::__serialize()".', $reflector->getMethod('__serialize')->isProtected() ? 'protected' : 'private', $class));
83 }
84
85 if (!\is_array($serializeProperties = $value->__serialize())) {
86 throw new \TypeError($class.'::__serialize() must return an array');
87 }
88
89 if ($reflector->hasMethod('__unserialize')) {
90 $properties = $serializeProperties;
91 } else {
92 foreach ($serializeProperties as $n => $v) {
93 $c = $reflector->hasProperty($n) && ($p = $reflector->getProperty($n))->isReadOnly() ? $p->class : 'stdClass';
94 $properties[$c][$n] = $v;
95 }
96 }
97
98 goto prepare_value;
99 }
100
101 $sleep = null;
102 $proto = Registry::$prototypes[$class];
103
104 if (($value instanceof \ArrayIterator || $value instanceof \ArrayObject) && null !== $proto) {
105 // ArrayIterator and ArrayObject need special care because their "flags"
106 // option changes the behavior of the (array) casting operator.
107 [$arrayValue, $properties] = self::getArrayObjectProperties($value, $proto);
108
109 // populates Registry::$prototypes[$class] with a new instance
110 Registry::getClassReflector($class, Registry::$instantiableWithoutConstructor[$class], Registry::$cloneable[$class]);
111 } elseif ($value instanceof \SplObjectStorage && Registry::$cloneable[$class] && null !== $proto) {
112 // By implementing Serializable, SplObjectStorage breaks
113 // internal references; let's deal with it on our own.
114 foreach (clone $value as $v) {
115 $properties[] = $v;
116 $properties[] = $value[$v];
117 }
118 $properties = ['SplObjectStorage' => ["\0" => $properties]];
119 $arrayValue = (array) $value;
120 } elseif ($value instanceof \Serializable
121 || $value instanceof \__PHP_Incomplete_Class
122 ) {
123 ++$objectsCount;
124 $objectsPool[$value] = [$id = \count($objectsPool), serialize($value), [], 0];
125 $value = new Reference($id);
126 goto handle_value;
127 } else {
128 if (method_exists($class, '__sleep')) {
129 if (!\is_array($sleep = $value->__sleep())) {
130 trigger_error('serialize(): __sleep should return an array only containing the names of instance-variables to serialize', \E_USER_NOTICE);
131 $value = null;
132 goto handle_value;
133 }
134 $sleep = array_flip($sleep);
135 }
136
137 $arrayValue = (array) $value;
138 }
139
140 $proto = (array) $proto;
141
142 foreach ($arrayValue as $name => $v) {
143 $i = 0;
144 $n = (string) $name;
145 if ('' === $n || "\0" !== $n[0]) {
146 $c = $reflector->hasProperty($n) && ($p = $reflector->getProperty($n))->isReadOnly() ? $p->class : 'stdClass';
147 } elseif ('*' === $n[1]) {
148 $n = substr($n, 3);
149 $c = $reflector->getProperty($n)->class;
150 if ('Error' === $c) {
151 $c = 'TypeError';
152 } elseif ('Exception' === $c) {
153 $c = 'ErrorException';
154 }
155 } else {
156 $i = strpos($n, "\0", 2);
157 $c = substr($n, 1, $i - 1);
158 $n = substr($n, 1 + $i);
159 }
160 if (null !== $sleep) {
161 if (!isset($sleep[$name]) && (!isset($sleep[$n]) || ($i && $c !== $class))) {
162 unset($arrayValue[$name]);
163 continue;
164 }
165 unset($sleep[$name], $sleep[$n]);
166 }
167 if (!\array_key_exists($name, $proto) || $proto[$name] !== $v || "\x00Error\x00trace" === $name || "\x00Exception\x00trace" === $name) {
168 $properties[$c][$n] = $v;
169 }
170 }
171 if ($sleep) {
172 foreach ($sleep as $n => $v) {
173 trigger_error(sprintf('serialize(): "%s" returned as member variable from __sleep() but does not exist', $n), \E_USER_NOTICE);
174 }
175 }
176 if (method_exists($class, '__unserialize')) {
177 $properties = $arrayValue;
178 }
179
180 prepare_value:
181 $objectsPool[$value] = [$id = \count($objectsPool)];
182 $properties = self::prepare($properties, $objectsPool, $refsPool, $objectsCount, $valueIsStatic);
183 ++$objectsCount;
184 $objectsPool[$value] = [$id, $class, $properties, method_exists($class, '__unserialize') ? -$objectsCount : (method_exists($class, '__wakeup') ? $objectsCount : 0)];
185
186 $value = new Reference($id);
187
188 handle_value:
189 if ($isRef) {
190 unset($value); // Break the hard reference created above
191 } elseif (!$valueIsStatic) {
192 $values[$k] = $value;
193 }
194 $valuesAreStatic = $valueIsStatic && $valuesAreStatic;
195 }
196
197 return $values;
198 }
199
200 public static function export($value, $indent = '')
201 {
202 switch (true) {
203 case \is_int($value) || \is_float($value): return var_export($value, true);
204 case [] === $value: return '[]';
205 case false === $value: return 'false';
206 case true === $value: return 'true';
207 case null === $value: return 'null';
208 case '' === $value: return "''";
209 case $value instanceof \UnitEnum: return '\\'.ltrim(var_export($value, true), '\\');
210 }
211
212 if ($value instanceof Reference) {
213 if (0 <= $value->id) {
214 return '$o['.$value->id.']';
215 }
216 if (!$value->count) {
217 return self::export($value->value, $indent);
218 }
219 $value = -$value->id;
220
221 return '&$r['.$value.']';
222 }
223 $subIndent = $indent.' ';
224
225 if (\is_string($value)) {
226 $code = sprintf("'%s'", addcslashes($value, "'\\"));
227
228 $code = preg_replace_callback("/((?:[\\0\\r\\n]|\u{202A}|\u{202B}|\u{202D}|\u{202E}|\u{2066}|\u{2067}|\u{2068}|\u{202C}|\u{2069})++)(.)/", function ($m) use ($subIndent) {
229 $m[1] = sprintf('\'."%s".\'', str_replace(
230 ["\0", "\r", "\n", "\u{202A}", "\u{202B}", "\u{202D}", "\u{202E}", "\u{2066}", "\u{2067}", "\u{2068}", "\u{202C}", "\u{2069}", '\n\\'],
231 ['\0', '\r', '\n', '\u{202A}', '\u{202B}', '\u{202D}', '\u{202E}', '\u{2066}', '\u{2067}', '\u{2068}', '\u{202C}', '\u{2069}', '\n"'."\n".$subIndent.'."\\'],
232 $m[1]
233 ));
234
235 if ("'" === $m[2]) {
236 return substr($m[1], 0, -2);
237 }
238
239 if (str_ends_with($m[1], 'n".\'')) {
240 return substr_replace($m[1], "\n".$subIndent.".'".$m[2], -2);
241 }
242
243 return $m[1].$m[2];
244 }, $code, -1, $count);
245
246 if ($count && str_starts_with($code, "''.")) {
247 $code = substr($code, 3);
248 }
249
250 return $code;
251 }
252
253 if (\is_array($value)) {
254 $j = -1;
255 $code = '';
256 foreach ($value as $k => $v) {
257 $code .= $subIndent;
258 if (!\is_int($k) || 1 !== $k - $j) {
259 $code .= self::export($k, $subIndent).' => ';
260 }
261 if (\is_int($k) && $k > $j) {
262 $j = $k;
263 }
264 $code .= self::export($v, $subIndent).",\n";
265 }
266
267 return "[\n".$code.$indent.']';
268 }
269
270 if ($value instanceof Values) {
271 $code = $subIndent."\$r = [],\n";
272 foreach ($value->values as $k => $v) {
273 $code .= $subIndent.'$r['.$k.'] = '.self::export($v, $subIndent).",\n";
274 }
275
276 return "[\n".$code.$indent.']';
277 }
278
279 if ($value instanceof Registry) {
280 return self::exportRegistry($value, $indent, $subIndent);
281 }
282
283 if ($value instanceof Hydrator) {
284 return self::exportHydrator($value, $indent, $subIndent);
285 }
286
287 throw new \UnexpectedValueException(sprintf('Cannot export value of type "%s".', get_debug_type($value)));
288 }
289
290 private static function exportRegistry(Registry $value, string $indent, string $subIndent): string
291 {
292 $code = '';
293 $serializables = [];
294 $seen = [];
295 $prototypesAccess = 0;
296 $factoriesAccess = 0;
297 $r = '\\'.Registry::class;
298 $j = -1;
299
300 foreach ($value->classes as $k => $class) {
301 if (':' === ($class[1] ?? null)) {
302 $serializables[$k] = $class;
303 continue;
304 }
305 if (!Registry::$instantiableWithoutConstructor[$class]) {
306 if (is_subclass_of($class, 'Serializable') && !method_exists($class, '__unserialize')) {
307 $serializables[$k] = 'C:'.\strlen($class).':"'.$class.'":0:{}';
308 } else {
309 $serializables[$k] = 'O:'.\strlen($class).':"'.$class.'":0:{}';
310 }
311 if (is_subclass_of($class, 'Throwable')) {
312 $eol = is_subclass_of($class, 'Error') ? "\0Error\0" : "\0Exception\0";
313 $serializables[$k] = substr_replace($serializables[$k], '1:{s:'.(5 + \strlen($eol)).':"'.$eol.'trace";a:0:{}}', -4);
314 }
315 continue;
316 }
317 $code .= $subIndent.(1 !== $k - $j ? $k.' => ' : '');
318 $j = $k;
319 $eol = ",\n";
320 $c = '['.self::export($class).']';
321
322 if ($seen[$class] ?? false) {
323 if (Registry::$cloneable[$class]) {
324 ++$prototypesAccess;
325 $code .= 'clone $p'.$c;
326 } else {
327 ++$factoriesAccess;
328 $code .= '$f'.$c.'()';
329 }
330 } else {
331 $seen[$class] = true;
332 if (Registry::$cloneable[$class]) {
333 $code .= 'clone ('.($prototypesAccess++ ? '$p' : '($p = &'.$r.'::$prototypes)').$c.' ?? '.$r.'::p';
334 } else {
335 $code .= '('.($factoriesAccess++ ? '$f' : '($f = &'.$r.'::$factories)').$c.' ?? '.$r.'::f';
336 $eol = '()'.$eol;
337 }
338 $code .= '('.substr($c, 1, -1).'))';
339 }
340 $code .= $eol;
341 }
342
343 if (1 === $prototypesAccess) {
344 $code = str_replace('($p = &'.$r.'::$prototypes)', $r.'::$prototypes', $code);
345 }
346 if (1 === $factoriesAccess) {
347 $code = str_replace('($f = &'.$r.'::$factories)', $r.'::$factories', $code);
348 }
349 if ('' !== $code) {
350 $code = "\n".$code.$indent;
351 }
352
353 if ($serializables) {
354 $code = $r.'::unserialize(['.$code.'], '.self::export($serializables, $indent).')';
355 } else {
356 $code = '['.$code.']';
357 }
358
359 return '$o = '.$code;
360 }
361
362 private static function exportHydrator(Hydrator $value, string $indent, string $subIndent): string
363 {
364 $code = '';
365 foreach ($value->properties as $class => $properties) {
366 $code .= $subIndent.' '.self::export($class).' => '.self::export($properties, $subIndent.' ').",\n";
367 }
368
369 $code = [
370 self::export($value->registry, $subIndent),
371 self::export($value->values, $subIndent),
372 '' !== $code ? "[\n".$code.$subIndent.']' : '[]',
373 self::export($value->value, $subIndent),
374 self::export($value->wakeups, $subIndent),
375 ];
376
377 return '\\'.$value::class."::hydrate(\n".$subIndent.implode(",\n".$subIndent, $code)."\n".$indent.')';
378 }
379
380 /**
381 * @param \ArrayIterator|\ArrayObject $value
382 * @param \ArrayIterator|\ArrayObject $proto
383 */
384 private static function getArrayObjectProperties($value, $proto): array
385 {
386 $reflector = $value instanceof \ArrayIterator ? 'ArrayIterator' : 'ArrayObject';
387 $reflector = Registry::$reflectors[$reflector] ??= Registry::getClassReflector($reflector);
388
389 $properties = [
390 $arrayValue = (array) $value,
391 $reflector->getMethod('getFlags')->invoke($value),
392 $value instanceof \ArrayObject ? $reflector->getMethod('getIteratorClass')->invoke($value) : 'ArrayIterator',
393 ];
394
395 $reflector = $reflector->getMethod('setFlags');
396 $reflector->invoke($proto, \ArrayObject::STD_PROP_LIST);
397
398 if ($properties[1] & \ArrayObject::STD_PROP_LIST) {
399 $reflector->invoke($value, 0);
400 $properties[0] = (array) $value;
401 } else {
402 $reflector->invoke($value, \ArrayObject::STD_PROP_LIST);
403 $arrayValue = (array) $value;
404 }
405 $reflector->invoke($value, $properties[1]);
406
407 if ([[], 0, 'ArrayIterator'] === $properties) {
408 $properties = [];
409 } else {
410 if ('ArrayIterator' === $properties[2]) {
411 unset($properties[2]);
412 }
413 $properties = [$reflector->class => ["\0" => $properties]];
414 }
415
416 return [$arrayValue, $properties];
417 }
418}