84 lines
2.7 KiB
PHP
84 lines
2.7 KiB
PHP
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<?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\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
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use Symfony\Component\DependencyInjection\Reference;
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/**
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* Replaces all references to aliases with references to the actual service.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ResolveReferencesToAliasesPass extends AbstractRecursivePass
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{
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/**
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* {@inheritdoc}
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*/
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public function process(ContainerBuilder $container)
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{
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parent::process($container);
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foreach ($container->getAliases() as $id => $alias) {
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$aliasId = (string) $alias;
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$this->currentId = $id;
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if ($aliasId !== $defId = $this->getDefinitionId($aliasId, $container)) {
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$container->setAlias($id, $defId)->setPublic($alias->isPublic())->setPrivate($alias->isPrivate());
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function processValue($value, $isRoot = false)
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{
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if (!$value instanceof Reference) {
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return parent::processValue($value, $isRoot);
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}
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$defId = $this->getDefinitionId($id = (string) $value, $this->container);
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return $defId !== $id ? new Reference($defId, $value->getInvalidBehavior()) : $value;
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}
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private function getDefinitionId(string $id, ContainerBuilder $container): string
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{
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if (!$container->hasAlias($id)) {
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return $id;
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}
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$alias = $container->getAlias($id);
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if ($alias->isDeprecated()) {
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$referencingDefinition = $container->hasDefinition($this->currentId) ? $container->getDefinition($this->currentId) : $container->getAlias($this->currentId);
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if (!$referencingDefinition->isDeprecated()) {
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@trigger_error(sprintf('%s. It is being referenced by the "%s" %s.', rtrim($alias->getDeprecationMessage($id), '. '), $this->currentId, $container->hasDefinition($this->currentId) ? 'service' : 'alias'), \E_USER_DEPRECATED);
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}
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}
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$seen = [];
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do {
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if (isset($seen[$id])) {
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throw new ServiceCircularReferenceException($id, array_merge(array_keys($seen), [$id]));
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}
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$seen[$id] = true;
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$id = (string) $container->getAlias($id);
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} while ($container->hasAlias($id));
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return $id;
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}
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}
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