321 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			321 lines
		
	
	
		
			11 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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/**
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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 Hydrator
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{
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    public const PROPERTY_HAS_HOOKS = 1;
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    public const PROPERTY_NOT_BY_REF = 2;
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    public static array $hydrators = [];
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    public static array $simpleHydrators = [];
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    public static array $propertyScopes = [];
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    public function __construct(
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        public readonly Registry $registry,
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        public readonly ?Values $values,
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        public readonly array $properties,
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        public readonly mixed $value,
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        public readonly array $wakeups,
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    ) {
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    }
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    public static function hydrate($objects, $values, $properties, $value, $wakeups)
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    {
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        foreach ($properties as $class => $vars) {
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            (self::$hydrators[$class] ??= self::getHydrator($class))($vars, $objects);
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        }
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        foreach ($wakeups as $k => $v) {
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            if (\is_array($v)) {
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                $objects[-$k]->__unserialize($v);
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            } else {
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                $objects[$v]->__wakeup();
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            }
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        }
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        return $value;
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    }
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    public static function getHydrator($class)
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    {
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        $baseHydrator = self::$hydrators['stdClass'] ??= static function ($properties, $objects) {
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            foreach ($properties as $name => $values) {
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                foreach ($values as $i => $v) {
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                    $objects[$i]->$name = $v;
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                }
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            }
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        };
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        switch ($class) {
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            case 'stdClass':
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                return $baseHydrator;
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            case 'ErrorException':
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                return $baseHydrator->bindTo(null, new class extends \ErrorException {
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                });
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            case 'TypeError':
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                return $baseHydrator->bindTo(null, new class extends \Error {
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                });
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            case 'SplObjectStorage':
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                return static function ($properties, $objects) {
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                    foreach ($properties as $name => $values) {
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                        if ("\0" === $name) {
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                            foreach ($values as $i => $v) {
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                                for ($j = 0; $j < \count($v); ++$j) {
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                                    $objects[$i][$v[$j]] = $v[++$j];
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                                }
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                            }
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                            continue;
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                        }
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                        foreach ($values as $i => $v) {
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                            $objects[$i]->$name = $v;
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                        }
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                    }
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                };
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        }
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        if (!class_exists($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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        $classReflector = new \ReflectionClass($class);
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        switch ($class) {
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            case 'ArrayIterator':
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            case 'ArrayObject':
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                $constructor = $classReflector->getConstructor()->invokeArgs(...);
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                return static function ($properties, $objects) use ($constructor) {
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                    foreach ($properties as $name => $values) {
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                        if ("\0" !== $name) {
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                            foreach ($values as $i => $v) {
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                                $objects[$i]->$name = $v;
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                            }
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                        }
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                    }
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                    foreach ($properties["\0"] ?? [] as $i => $v) {
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                        $constructor($objects[$i], $v);
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                    }
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                };
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        }
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        if (!$classReflector->isInternal()) {
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            return $baseHydrator->bindTo(null, $class);
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        }
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        if ($classReflector->name !== $class) {
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            return self::$hydrators[$classReflector->name] ??= self::getHydrator($classReflector->name);
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        }
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        $propertySetters = [];
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        foreach ($classReflector->getProperties() as $propertyReflector) {
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            if (!$propertyReflector->isStatic()) {
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                $propertySetters[$propertyReflector->name] = $propertyReflector->setValue(...);
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            }
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        }
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        if (!$propertySetters) {
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            return $baseHydrator;
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        }
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        return static function ($properties, $objects) use ($propertySetters) {
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            foreach ($properties as $name => $values) {
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                if ($setValue = $propertySetters[$name] ?? null) {
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                    foreach ($values as $i => $v) {
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                        $setValue($objects[$i], $v);
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                    }
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                    continue;
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                }
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                foreach ($values as $i => $v) {
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                    $objects[$i]->$name = $v;
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                }
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            }
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        };
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    }
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    public static function getSimpleHydrator($class)
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    {
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        $baseHydrator = self::$simpleHydrators['stdClass'] ??= (function ($properties, $object) {
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            $notByRef = (array) $this;
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            foreach ($properties as $name => &$value) {
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                if (!$noRef = $notByRef[$name] ?? false) {
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                    $object->$name = $value;
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                    $object->$name = &$value;
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                } elseif (true !== $noRef) {
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                    $noRef($object, $value);
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                } else {
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                    $object->$name = $value;
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                }
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            }
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        })->bindTo(new \stdClass());
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        switch ($class) {
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            case 'stdClass':
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                return $baseHydrator;
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            case 'ErrorException':
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                return $baseHydrator->bindTo(new \stdClass(), new class extends \ErrorException {
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                });
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            case 'TypeError':
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                return $baseHydrator->bindTo(new \stdClass(), new class extends \Error {
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                });
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            case 'SplObjectStorage':
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                return static function ($properties, $object) {
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                    foreach ($properties as $name => &$value) {
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                        if ("\0" !== $name) {
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                            $object->$name = $value;
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                            $object->$name = &$value;
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                            continue;
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                        }
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                        for ($i = 0; $i < \count($value); ++$i) {
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                            $object[$value[$i]] = $value[++$i];
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                        }
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                    }
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                };
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        }
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        if (!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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        $classReflector = new \ReflectionClass($class);
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        switch ($class) {
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            case 'ArrayIterator':
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            case 'ArrayObject':
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                $constructor = $classReflector->getConstructor()->invokeArgs(...);
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                return static function ($properties, $object) use ($constructor) {
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                    foreach ($properties as $name => &$value) {
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                        if ("\0" === $name) {
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                            $constructor($object, $value);
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                        } else {
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                            $object->$name = $value;
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                            $object->$name = &$value;
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                        }
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                    }
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                };
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        }
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        if (!$classReflector->isInternal()) {
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            $notByRef = new \stdClass();
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            foreach ($classReflector->getProperties() as $propertyReflector) {
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                if ($propertyReflector->isStatic()) {
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                    continue;
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                }
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                if (\PHP_VERSION_ID >= 80400 && !$propertyReflector->isAbstract() && $propertyReflector->getHooks()) {
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                    $notByRef->{$propertyReflector->name} = $propertyReflector->setRawValue(...);
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                } elseif ($propertyReflector->isReadOnly()) {
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                    $notByRef->{$propertyReflector->name} = true;
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                }
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            }
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            return $baseHydrator->bindTo($notByRef, $class);
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        }
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        if ($classReflector->name !== $class) {
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            return self::$simpleHydrators[$classReflector->name] ??= self::getSimpleHydrator($classReflector->name);
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        }
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        $propertySetters = [];
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        foreach ($classReflector->getProperties() as $propertyReflector) {
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            if (!$propertyReflector->isStatic()) {
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                $propertySetters[$propertyReflector->name] = $propertyReflector->setValue(...);
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            }
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        }
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        if (!$propertySetters) {
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            return $baseHydrator;
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        }
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        return static function ($properties, $object) use ($propertySetters) {
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            foreach ($properties as $name => &$value) {
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                if ($setValue = $propertySetters[$name] ?? null) {
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                    $setValue($object, $value);
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                } else {
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                    $object->$name = $value;
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                    $object->$name = &$value;
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                }
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            }
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        };
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    }
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    public static function getPropertyScopes($class): array
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    {
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        $propertyScopes = [];
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        $r = new \ReflectionClass($class);
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        foreach ($r->getProperties() as $property) {
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            $flags = $property->getModifiers();
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            if (\ReflectionProperty::IS_STATIC & $flags) {
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                continue;
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            }
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            $name = $property->name;
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            $access = ($flags << 2) | ($flags & \ReflectionProperty::IS_READONLY ? self::PROPERTY_NOT_BY_REF : 0);
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            if (\PHP_VERSION_ID >= 80400 && !$property->isAbstract() && $h = $property->getHooks()) {
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                $access |= self::PROPERTY_HAS_HOOKS | (isset($h['get']) && !$h['get']->returnsReference() ? self::PROPERTY_NOT_BY_REF : 0);
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            }
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            if (\ReflectionProperty::IS_PRIVATE & $flags) {
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                $propertyScopes["\0$class\0$name"] = $propertyScopes[$name] = [$class, $name, null, $access, $property];
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                continue;
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            }
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            $propertyScopes[$name] = [$class, $name, null, $access, $property];
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            if ($flags & (\PHP_VERSION_ID >= 80400 ? \ReflectionProperty::IS_PRIVATE_SET : \ReflectionProperty::IS_READONLY)) {
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                $propertyScopes[$name][2] = $property->class;
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            }
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            if (\ReflectionProperty::IS_PROTECTED & $flags) {
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                $propertyScopes["\0*\0$name"] = $propertyScopes[$name];
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            }
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        }
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        while ($r = $r->getParentClass()) {
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            $class = $r->name;
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            foreach ($r->getProperties(\ReflectionProperty::IS_PRIVATE) as $property) {
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                $flags = $property->getModifiers();
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                if (\ReflectionProperty::IS_STATIC & $flags) {
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                    continue;
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                }
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                $name = $property->name;
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                $access = ($flags << 2) | ($flags & \ReflectionProperty::IS_READONLY ? self::PROPERTY_NOT_BY_REF : 0);
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                if (\PHP_VERSION_ID >= 80400 && $h = $property->getHooks()) {
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                    $access |= self::PROPERTY_HAS_HOOKS | (isset($h['get']) && !$h['get']->returnsReference() ? self::PROPERTY_NOT_BY_REF : 0);
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                }
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                $propertyScopes["\0$class\0$name"] = [$class, $name, null, $access, $property];
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                $propertyScopes[$name] ??= $propertyScopes["\0$class\0$name"];
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            }
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        }
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        return $propertyScopes;
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    }
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}
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