File Content: LazyLoadingMetadataFactory.php <?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 WPToolkitDependenciesIsolationPrefix\Symfony\Component\Validator\Mapping\Factory; use Psr\Cache\CacheItemPoolInterface; use WPToolkitDependenciesIsolationPrefix\Symfony\Component\Validator\Exception\NoSuchMetadataException; use WPToolkitDependenciesIsolationPrefix\Symfony\Component\Validator\Mapping\ClassMetadata; use WPToolkitDependenciesIsolationPrefix\Symfony\Component\Validator\Mapping\Loader\LoaderInterface; use WPToolkitDependenciesIsolationPrefix\Symfony\Component\Validator\Mapping\MetadataInterface; /** * Creates new {@link ClassMetadataInterface} instances. * * Whenever {@link getMetadataFor()} is called for the first time with a given * class name or object of that class, a new metadata instance is created and * returned. On subsequent requests for the same class, the same metadata * instance will be returned. * * You can optionally pass a {@link LoaderInterface} instance to the constructor. * Whenever a new metadata instance is created, it is passed to the loader, * which can configure the metadata based on configuration loaded from the * filesystem or a database. If you want to use multiple loaders, wrap them in a * {@link LoaderChain}. * * You can also optionally pass a {@link CacheInterface} instance to the * constructor. This cache will be used for persisting the generated metadata * between multiple PHP requests. * * @author Bernhard Schussek <bschussek@gmail.com> */ class LazyLoadingMetadataFactory implements MetadataFactoryInterface { /** * The loaded metadata, indexed by class name. * * @var ClassMetadata[] */ protected array $loadedClasses = []; public function __construct(protected ?LoaderInterface $loader = null, protected ?CacheItemPoolInterface $cache = null) { } /** * If the method was called with the same class name (or an object of that * class) before, the same metadata instance is returned. * * If the factory was configured with a cache, this method will first look * for an existing metadata instance in the cache. If an existing instance * is found, it will be returned without further ado. * * Otherwise, a new metadata instance is created. If the factory was * configured with a loader, the metadata is passed to the * {@link LoaderInterface::loadClassMetadata()} method for further * configuration. At last, the new object is returned. */ public function getMetadataFor(mixed $value) : MetadataInterface { if (!\is_object($value) && !\is_string($value)) { throw new NoSuchMetadataException(\sprintf('Cannot create metadata for non-objects. Got: "%s".', \get_debug_type($value))); } $class = \ltrim(\is_object($value) ? $value::class : $value, '\\'); if (isset($this->loadedClasses[$class])) { return $this->loadedClasses[$class]; } if (!\class_exists($class) && !\interface_exists($class, \false)) { throw new NoSuchMetadataException(\sprintf('The class or interface "%s" does not exist.', $class)); } $cacheItem = $this->cache?->getItem($this->escapeClassName($class)); if ($cacheItem?->isHit()) { $metadata = $cacheItem->get(); // Include constraints from the parent class $this->mergeConstraints($metadata); return $this->loadedClasses[$class] = $metadata; } $metadata = new ClassMetadata($class); $this->loader?->loadClassMetadata($metadata); if (null !== $cacheItem) { $this->cache->save($cacheItem->set($metadata)); } // Include constraints from the parent class $this->mergeConstraints($metadata); return $this->loadedClasses[$class] = $metadata; } private function mergeConstraints(ClassMetadata $metadata) : void { if ($metadata->getReflectionClass()->isInterface()) { return; } // Include constraints from the parent class if ($parent = $metadata->getReflectionClass()->getParentClass()) { $metadata->mergeConstraints($this->getMetadataFor($parent->name)); } // Include constraints from all directly implemented interfaces foreach ($metadata->getReflectionClass()->getInterfaces() as $interface) { if ('Symfony\\Component\\Validator\\GroupSequenceProviderInterface' === $interface->name) { continue; } if ($parent && \in_array($interface->getName(), $parent->getInterfaceNames(), \true)) { continue; } $metadata->mergeConstraints($this->getMetadataFor($interface->name)); } } public function hasMetadataFor(mixed $value) : bool { if (!\is_object($value) && !\is_string($value)) { return \false; } $class = \ltrim(\is_object($value) ? $value::class : $value, '\\'); return \class_exists($class) || \interface_exists($class, \false); } /** * Replaces backslashes by dots in a class name. */ private function escapeClassName(string $class) : string { if (\str_contains($class, '@')) { // anonymous class: replace all PSR6-reserved characters return \str_replace(["\x00", '\\', '/', '@', ':', '{', '}', '(', ')'], '.', $class); } return \str_replace('\\', '.', $class); } } Submit