vendor/symfony/dependency-injection/Compiler/ResolveReferencesToAliasesPass.php line 68

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  1. <?php
  3. /*
  4. * This file is part of the Symfony package.
  5. *
  6. * (c) Fabien Potencier <fabien@symfony.com>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Symfony\Component\DependencyInjection\Compiler;
  14. use Symfony\Component\DependencyInjection\ContainerBuilder;
  15. use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
  16. use Symfony\Component\DependencyInjection\Reference;
  18. /**
  19. * Replaces all references to aliases with references to the actual service.
  20. *
  21. * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  22. */
  23. class ResolveReferencesToAliasesPass extends AbstractRecursivePass
  24. {
  25. /**
  26. * {@inheritdoc}
  27. */
  28. public function process(ContainerBuilder $container)
  29. {
  30. parent::process($container);
  32. foreach ($container->getAliases() as $id => $alias) {
  33. $aliasId = (string) $alias;
  34. $this->currentId = $id;
  36. if ($aliasId !== $defId = $this->getDefinitionId($aliasId, $container)) {
  37. $container->setAlias($id, $defId)->setPublic($alias->isPublic());
  38. }
  39. }
  40. }
  42. /**
  43. * {@inheritdoc}
  44. */
  45. protected function processValue($value, bool $isRoot = false)
  46. {
  47. if (!$value instanceof Reference) {
  48. return parent::processValue($value, $isRoot);
  49. }
  51. $defId = $this->getDefinitionId($id = (string) $value, $this->container);
  53. return $defId !== $id ? new Reference($defId, $value->getInvalidBehavior()) : $value;
  54. }
  56. private function getDefinitionId(string $id, ContainerBuilder $container): string
  57. {
  58. if (!$container->hasAlias($id)) {
  59. return $id;
  60. }
  62. $alias = $container->getAlias($id);
  64. if ($alias->isDeprecated()) {
  65. $referencingDefinition = $container->hasDefinition($this->currentId) ? $container->getDefinition($this->currentId) : $container->getAlias($this->currentId);
  66. if (!$referencingDefinition->isDeprecated()) {
  67. $deprecation = $alias->getDeprecation($id);
  68. trigger_deprecation($deprecation['package'], $deprecation['version'], rtrim($deprecation['message'], '. ').'. It is being referenced by the "%s" '.($container->hasDefinition($this->currentId) ? 'service.' : 'alias.'), $this->currentId);
  69. }
  70. }
  72. $seen = [];
  73. do {
  74. if (isset($seen[$id])) {
  75. throw new ServiceCircularReferenceException($id, array_merge(array_keys($seen), [$id]));
  76. }
  78. $seen[$id] = true;
  79. $id = (string) $container->getAlias($id);
  80. } while ($container->hasAlias($id));
  82. return $id;
  83. }
  84. }