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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Compiler; use Symfony\Component\DependencyInjection\Alias; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\ContainerInterface; use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException; use Symfony\Component\DependencyInjection\Reference; /** * Overwrites a service but keeps the overridden one. * * @author Christophe Coevoet <[email protected]> * @author Fabien Potencier <[email protected]> * @author Diego Saint Esteben <[email protected]> */ class DecoratorServicePass implements CompilerPassInterface { public function process(ContainerBuilder $container) { $definitions = new \SplPriorityQueue(); $order = \PHP_INT_MAX; foreach ($container->getDefinitions() as $id => $definition) { if (!$decorated = $definition->getDecoratedService()) { continue; } $definitions->insert([$id, $definition], [$decorated[2], --$order]); } $decoratingDefinitions = []; foreach ($definitions as [$id, $definition]) { $decoratedService = $definition->getDecoratedService(); [$inner, $renamedId] = $decoratedService; $invalidBehavior = $decoratedService[3] ?? ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE; $definition->setDecoratedService(null); if (!$renamedId) { $renamedId = $id.'.inner'; } $definition->innerServiceId = $renamedId; $definition->decorationOnInvalid = $invalidBehavior; // we create a new alias/service for the service we are replacing // to be able to reference it in the new one if ($container->hasAlias($inner)) { $alias = $container->getAlias($inner); $public = $alias->isPublic(); $private = $alias->isPrivate(); $container->setAlias($renamedId, new Alias((string) $alias, false)); } elseif ($container->hasDefinition($inner)) { $decoratedDefinition = $container->getDefinition($inner); $public = $decoratedDefinition->isPublic(); $private = $decoratedDefinition->isPrivate(); $decoratedDefinition->setPublic(false); $container->setDefinition($renamedId, $decoratedDefinition); $decoratingDefinitions[$inner] = $decoratedDefinition; } elseif (ContainerInterface::IGNORE_ON_INVALID_REFERENCE === $invalidBehavior) { $container->removeDefinition($id); continue; } elseif (ContainerInterface::NULL_ON_INVALID_REFERENCE === $invalidBehavior) { $public = $definition->isPublic(); $private = $definition->isPrivate(); } else { throw new ServiceNotFoundException($inner, $id); } if (isset($decoratingDefinitions[$inner])) { $decoratingDefinition = $decoratingDefinitions[$inner]; $decoratingTags = $decoratingDefinition->getTags(); $resetTags = []; // container.service_locator and container.service_subscriber have special logic and they must not be transferred out to decorators foreach (['container.service_locator', 'container.service_subscriber'] as $containerTag) { if (isset($decoratingTags[$containerTag])) { $resetTags[$containerTag] = $decoratingTags[$containerTag]; unset($decoratingTags[$containerTag]); } } $definition->setTags(array_merge($decoratingTags, $definition->getTags())); $decoratingDefinition->setTags($resetTags); $decoratingDefinitions[$inner] = $definition; } $container->setAlias($inner, $id)->setPublic($public)->setPrivate($private); } } }