147 lines
5.6 KiB
PHP
147 lines
5.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\VarExporter\Internal;
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use Symfony\Component\VarExporter\Exception\ClassNotFoundException;
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use Symfony\Component\VarExporter\Exception\NotInstantiableTypeException;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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class Registry
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{
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public static $reflectors = [];
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public static $prototypes = [];
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public static $factories = [];
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public static $cloneable = [];
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public static $instantiableWithoutConstructor = [];
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public $classes = [];
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public function __construct(array $classes)
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{
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$this->classes = $classes;
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}
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public static function unserialize($objects, $serializables)
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{
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$unserializeCallback = ini_set('unserialize_callback_func', __CLASS__.'::getClassReflector');
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try {
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foreach ($serializables as $k => $v) {
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$objects[$k] = unserialize($v);
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}
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} finally {
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ini_set('unserialize_callback_func', $unserializeCallback);
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}
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return $objects;
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}
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public static function p($class)
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{
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self::getClassReflector($class, true, true);
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return self::$prototypes[$class];
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}
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public static function f($class)
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{
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$reflector = self::$reflectors[$class] ?? self::getClassReflector($class, true, false);
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return self::$factories[$class] = \Closure::fromCallable([$reflector, 'newInstanceWithoutConstructor']);
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}
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public static function getClassReflector($class, $instantiableWithoutConstructor = false, $cloneable = null)
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{
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if (!($isClass = class_exists($class)) && !interface_exists($class, false) && !trait_exists($class, false)) {
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throw new ClassNotFoundException($class);
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}
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$reflector = new \ReflectionClass($class);
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if ($instantiableWithoutConstructor) {
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$proto = $reflector->newInstanceWithoutConstructor();
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} elseif (!$isClass || $reflector->isAbstract()) {
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throw new NotInstantiableTypeException($class);
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} elseif ($reflector->name !== $class) {
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$reflector = self::$reflectors[$name = $reflector->name] ?? self::getClassReflector($name, false, $cloneable);
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self::$cloneable[$class] = self::$cloneable[$name];
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self::$instantiableWithoutConstructor[$class] = self::$instantiableWithoutConstructor[$name];
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self::$prototypes[$class] = self::$prototypes[$name];
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return self::$reflectors[$class] = $reflector;
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} else {
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try {
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$proto = $reflector->newInstanceWithoutConstructor();
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$instantiableWithoutConstructor = true;
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} catch (\ReflectionException $e) {
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$proto = $reflector->implementsInterface('Serializable') && !method_exists($class, '__unserialize') ? 'C:' : 'O:';
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if ('C:' === $proto && !$reflector->getMethod('unserialize')->isInternal()) {
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$proto = null;
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} else {
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try {
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$proto = @unserialize($proto.\strlen($class).':"'.$class.'":0:{}');
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} catch (\Exception $e) {
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if (__FILE__ !== $e->getFile()) {
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throw $e;
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}
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throw new NotInstantiableTypeException($class, $e);
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}
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if (false === $proto) {
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throw new NotInstantiableTypeException($class);
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}
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}
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}
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if (null !== $proto && !$proto instanceof \Throwable && !$proto instanceof \Serializable && !method_exists($class, '__sleep') && (\PHP_VERSION_ID < 70400 || !method_exists($class, '__serialize'))) {
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try {
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serialize($proto);
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} catch (\Exception $e) {
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throw new NotInstantiableTypeException($class, $e);
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}
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}
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}
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if (null === $cloneable) {
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if (($proto instanceof \Reflector || $proto instanceof \ReflectionGenerator || $proto instanceof \ReflectionType || $proto instanceof \IteratorIterator || $proto instanceof \RecursiveIteratorIterator) && (!$proto instanceof \Serializable && !method_exists($proto, '__wakeup') && (\PHP_VERSION_ID < 70400 || !method_exists($class, '__unserialize')))) {
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throw new NotInstantiableTypeException($class);
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}
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$cloneable = $reflector->isCloneable() && !$reflector->hasMethod('__clone');
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}
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self::$cloneable[$class] = $cloneable;
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self::$instantiableWithoutConstructor[$class] = $instantiableWithoutConstructor;
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self::$prototypes[$class] = $proto;
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if ($proto instanceof \Throwable) {
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static $setTrace;
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if (null === $setTrace) {
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$setTrace = [
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new \ReflectionProperty(\Error::class, 'trace'),
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new \ReflectionProperty(\Exception::class, 'trace'),
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];
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$setTrace[0]->setAccessible(true);
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$setTrace[1]->setAccessible(true);
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$setTrace[0] = \Closure::fromCallable([$setTrace[0], 'setValue']);
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$setTrace[1] = \Closure::fromCallable([$setTrace[1], 'setValue']);
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}
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$setTrace[$proto instanceof \Exception]($proto, []);
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}
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return self::$reflectors[$class] = $reflector;
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}
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}
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