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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/LazyProxyTrait.php
parent94d67a4b51f8e62e7d518cce26a526ae1ec48278 (diff)
downloadAppliGestionPHP-bf6655a534a6775d30cafa67bd801276bda1d98d.zip
VERSION 0.2 doctrine ORM et entités
Diffstat (limited to 'vendor/symfony/var-exporter/LazyProxyTrait.php')
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1 files changed, 359 insertions, 0 deletions
diff --git a/vendor/symfony/var-exporter/LazyProxyTrait.php b/vendor/symfony/var-exporter/LazyProxyTrait.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;
13
14use Symfony\Component\Serializer\Attribute\Ignore;
15use Symfony\Component\VarExporter\Hydrator as PublicHydrator;
16use Symfony\Component\VarExporter\Internal\Hydrator;
17use Symfony\Component\VarExporter\Internal\LazyObjectRegistry as Registry;
18use Symfony\Component\VarExporter\Internal\LazyObjectState;
19use Symfony\Component\VarExporter\Internal\LazyObjectTrait;
20
21trait LazyProxyTrait
22{
23 use LazyObjectTrait;
24
25 /**
26 * Creates a lazy-loading virtual proxy.
27 *
28 * @param \Closure():object $initializer Returns the proxied object
29 * @param static|null $instance
30 */
31 public static function createLazyProxy(\Closure $initializer, ?object $instance = null): static
32 {
33 if (self::class !== $class = $instance ? $instance::class : static::class) {
34 $skippedProperties = ["\0".self::class."\0lazyObjectState" => true];
35 }
36
37 if (!isset(Registry::$defaultProperties[$class])) {
38 Registry::$classReflectors[$class] ??= new \ReflectionClass($class);
39 $instance ??= Registry::$classReflectors[$class]->newInstanceWithoutConstructor();
40 Registry::$defaultProperties[$class] ??= (array) $instance;
41 Registry::$classResetters[$class] ??= Registry::getClassResetters($class);
42
43 if (self::class === $class && \defined($class.'::LAZY_OBJECT_PROPERTY_SCOPES')) {
44 Hydrator::$propertyScopes[$class] ??= $class::LAZY_OBJECT_PROPERTY_SCOPES;
45 }
46 } else {
47 $instance ??= Registry::$classReflectors[$class]->newInstanceWithoutConstructor();
48 }
49
50 $instance->lazyObjectState = new LazyObjectState($initializer);
51
52 foreach (Registry::$classResetters[$class] as $reset) {
53 $reset($instance, $skippedProperties ??= []);
54 }
55
56 return $instance;
57 }
58
59 /**
60 * Returns whether the object is initialized.
61 *
62 * @param $partial Whether partially initialized objects should be considered as initialized
63 */
64 #[Ignore]
65 public function isLazyObjectInitialized(bool $partial = false): bool
66 {
67 return !isset($this->lazyObjectState) || isset($this->lazyObjectState->realInstance) || Registry::$noInitializerState === $this->lazyObjectState->initializer;
68 }
69
70 /**
71 * Forces initialization of a lazy object and returns it.
72 */
73 public function initializeLazyObject(): parent
74 {
75 if ($state = $this->lazyObjectState ?? null) {
76 return $state->realInstance ??= ($state->initializer)();
77 }
78
79 return $this;
80 }
81
82 /**
83 * @return bool Returns false when the object cannot be reset, ie when it's not a lazy object
84 */
85 public function resetLazyObject(): bool
86 {
87 if (!isset($this->lazyObjectState) || Registry::$noInitializerState === $this->lazyObjectState->initializer) {
88 return false;
89 }
90
91 unset($this->lazyObjectState->realInstance);
92
93 return true;
94 }
95
96 public function &__get($name): mixed
97 {
98 $propertyScopes = Hydrator::$propertyScopes[$this::class] ??= Hydrator::getPropertyScopes($this::class);
99 $scope = null;
100 $instance = $this;
101
102 if ([$class, , $readonlyScope] = $propertyScopes[$name] ?? null) {
103 $scope = Registry::getScope($propertyScopes, $class, $name);
104
105 if (null === $scope || isset($propertyScopes["\0$scope\0$name"])) {
106 if ($state = $this->lazyObjectState ?? null) {
107 $instance = $state->realInstance ??= ($state->initializer)();
108 }
109 $parent = 2;
110 goto get_in_scope;
111 }
112 }
113 $parent = (Registry::$parentMethods[self::class] ??= Registry::getParentMethods(self::class))['get'];
114
115 if ($state = $this->lazyObjectState ?? null) {
116 $instance = $state->realInstance ??= ($state->initializer)();
117 } else {
118 if (2 === $parent) {
119 return parent::__get($name);
120 }
121 $value = parent::__get($name);
122
123 return $value;
124 }
125
126 if (!$parent && null === $class && !\array_key_exists($name, (array) $instance)) {
127 $frame = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 1)[0];
128 trigger_error(sprintf('Undefined property: %s::$%s in %s on line %s', $instance::class, $name, $frame['file'], $frame['line']), \E_USER_NOTICE);
129 }
130
131 get_in_scope:
132
133 try {
134 if (null === $scope) {
135 if (null === $readonlyScope && 1 !== $parent) {
136 return $instance->$name;
137 }
138 $value = $instance->$name;
139
140 return $value;
141 }
142 $accessor = Registry::$classAccessors[$scope] ??= Registry::getClassAccessors($scope);
143
144 return $accessor['get']($instance, $name, null !== $readonlyScope || 1 === $parent);
145 } catch (\Error $e) {
146 if (\Error::class !== $e::class || !str_starts_with($e->getMessage(), 'Cannot access uninitialized non-nullable property')) {
147 throw $e;
148 }
149
150 try {
151 if (null === $scope) {
152 $instance->$name = [];
153
154 return $instance->$name;
155 }
156
157 $accessor['set']($instance, $name, []);
158
159 return $accessor['get']($instance, $name, null !== $readonlyScope || 1 === $parent);
160 } catch (\Error) {
161 throw $e;
162 }
163 }
164 }
165
166 public function __set($name, $value): void
167 {
168 $propertyScopes = Hydrator::$propertyScopes[$this::class] ??= Hydrator::getPropertyScopes($this::class);
169 $scope = null;
170 $instance = $this;
171
172 if ([$class, , $readonlyScope] = $propertyScopes[$name] ?? null) {
173 $scope = Registry::getScope($propertyScopes, $class, $name, $readonlyScope);
174
175 if ($readonlyScope === $scope || isset($propertyScopes["\0$scope\0$name"])) {
176 if ($state = $this->lazyObjectState ?? null) {
177 $instance = $state->realInstance ??= ($state->initializer)();
178 }
179 goto set_in_scope;
180 }
181 }
182
183 if ($state = $this->lazyObjectState ?? null) {
184 $instance = $state->realInstance ??= ($state->initializer)();
185 } elseif ((Registry::$parentMethods[self::class] ??= Registry::getParentMethods(self::class))['set']) {
186 parent::__set($name, $value);
187
188 return;
189 }
190
191 set_in_scope:
192
193 if (null === $scope) {
194 $instance->$name = $value;
195 } else {
196 $accessor = Registry::$classAccessors[$scope] ??= Registry::getClassAccessors($scope);
197 $accessor['set']($instance, $name, $value);
198 }
199 }
200
201 public function __isset($name): bool
202 {
203 $propertyScopes = Hydrator::$propertyScopes[$this::class] ??= Hydrator::getPropertyScopes($this::class);
204 $scope = null;
205 $instance = $this;
206
207 if ([$class] = $propertyScopes[$name] ?? null) {
208 $scope = Registry::getScope($propertyScopes, $class, $name);
209
210 if (null === $scope || isset($propertyScopes["\0$scope\0$name"])) {
211 if ($state = $this->lazyObjectState ?? null) {
212 $instance = $state->realInstance ??= ($state->initializer)();
213 }
214 goto isset_in_scope;
215 }
216 }
217
218 if ($state = $this->lazyObjectState ?? null) {
219 $instance = $state->realInstance ??= ($state->initializer)();
220 } elseif ((Registry::$parentMethods[self::class] ??= Registry::getParentMethods(self::class))['isset']) {
221 return parent::__isset($name);
222 }
223
224 isset_in_scope:
225
226 if (null === $scope) {
227 return isset($instance->$name);
228 }
229 $accessor = Registry::$classAccessors[$scope] ??= Registry::getClassAccessors($scope);
230
231 return $accessor['isset']($instance, $name);
232 }
233
234 public function __unset($name): void
235 {
236 $propertyScopes = Hydrator::$propertyScopes[$this::class] ??= Hydrator::getPropertyScopes($this::class);
237 $scope = null;
238 $instance = $this;
239
240 if ([$class, , $readonlyScope] = $propertyScopes[$name] ?? null) {
241 $scope = Registry::getScope($propertyScopes, $class, $name, $readonlyScope);
242
243 if ($readonlyScope === $scope || isset($propertyScopes["\0$scope\0$name"])) {
244 if ($state = $this->lazyObjectState ?? null) {
245 $instance = $state->realInstance ??= ($state->initializer)();
246 }
247 goto unset_in_scope;
248 }
249 }
250
251 if ($state = $this->lazyObjectState ?? null) {
252 $instance = $state->realInstance ??= ($state->initializer)();
253 } elseif ((Registry::$parentMethods[self::class] ??= Registry::getParentMethods(self::class))['unset']) {
254 parent::__unset($name);
255
256 return;
257 }
258
259 unset_in_scope:
260
261 if (null === $scope) {
262 unset($instance->$name);
263 } else {
264 $accessor = Registry::$classAccessors[$scope] ??= Registry::getClassAccessors($scope);
265 $accessor['unset']($instance, $name);
266 }
267 }
268
269 public function __clone(): void
270 {
271 if (!isset($this->lazyObjectState)) {
272 if ((Registry::$parentMethods[self::class] ??= Registry::getParentMethods(self::class))['clone']) {
273 parent::__clone();
274 }
275
276 return;
277 }
278
279 $this->lazyObjectState = clone $this->lazyObjectState;
280
281 if (isset($this->lazyObjectState->realInstance)) {
282 $this->lazyObjectState->realInstance = clone $this->lazyObjectState->realInstance;
283 }
284 }
285
286 public function __serialize(): array
287 {
288 $class = self::class;
289 $state = $this->lazyObjectState ?? null;
290
291 if (!$state && (Registry::$parentMethods[$class] ??= Registry::getParentMethods($class))['serialize']) {
292 $properties = parent::__serialize();
293 } else {
294 $properties = (array) $this;
295
296 if ($state) {
297 unset($properties["\0$class\0lazyObjectState"]);
298 $properties["\0$class\0lazyObjectReal"] = $state->realInstance ??= ($state->initializer)();
299 }
300 }
301
302 if ($state || Registry::$parentMethods[$class]['serialize'] || !Registry::$parentMethods[$class]['sleep']) {
303 return $properties;
304 }
305
306 $scope = get_parent_class($class);
307 $data = [];
308
309 foreach (parent::__sleep() as $name) {
310 $value = $properties[$k = $name] ?? $properties[$k = "\0*\0$name"] ?? $properties[$k = "\0$class\0$name"] ?? $properties[$k = "\0$scope\0$name"] ?? $k = null;
311
312 if (null === $k) {
313 trigger_error(sprintf('serialize(): "%s" returned as member variable from __sleep() but does not exist', $name), \E_USER_NOTICE);
314 } else {
315 $data[$k] = $value;
316 }
317 }
318
319 return $data;
320 }
321
322 public function __unserialize(array $data): void
323 {
324 $class = self::class;
325
326 if ($instance = $data["\0$class\0lazyObjectReal"] ?? null) {
327 unset($data["\0$class\0lazyObjectReal"]);
328
329 foreach (Registry::$classResetters[$class] ??= Registry::getClassResetters($class) as $reset) {
330 $reset($this, $data);
331 }
332
333 if ($data) {
334 PublicHydrator::hydrate($this, $data);
335 }
336 $this->lazyObjectState = new LazyObjectState(Registry::$noInitializerState ??= static fn () => throw new \LogicException('Lazy proxy has no initializer.'));
337 $this->lazyObjectState->realInstance = $instance;
338 } elseif ((Registry::$parentMethods[$class] ??= Registry::getParentMethods($class))['unserialize']) {
339 parent::__unserialize($data);
340 } else {
341 PublicHydrator::hydrate($this, $data);
342
343 if (Registry::$parentMethods[$class]['wakeup']) {
344 parent::__wakeup();
345 }
346 }
347 }
348
349 public function __destruct()
350 {
351 if (isset($this->lazyObjectState)) {
352 return;
353 }
354
355 if ((Registry::$parentMethods[self::class] ??= Registry::getParentMethods(self::class))['destruct']) {
356 parent::__destruct();
357 }
358 }
359}