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