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