AutoAliasServicePass.php in Service Container 7

Namespace

Symfony\Component\DependencyInjection\Compiler

File

modules/providers/service_container_symfony/lib/Symfony/Component/DependencyInjection/Compiler/AutoAliasServicePass.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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\Exception\InvalidArgumentException;

/**
 * Sets a service to be an alias of another one, given a format pattern.
 */
class AutoAliasServicePass implements CompilerPassInterface {

  /**
   * {@inheritdoc}
   */
  public function process(ContainerBuilder $container) {
    foreach ($container
      ->findTaggedServiceIds('auto_alias') as $serviceId => $tags) {
      foreach ($tags as $tag) {
        if (!isset($tag['format'])) {
          throw new InvalidArgumentException(sprintf('Missing tag information "format" on auto_alias service "%s".', $serviceId));
        }
        $aliasId = $container
          ->getParameterBag()
          ->resolveValue($tag['format']);
        if ($container
          ->hasDefinition($aliasId) || $container
          ->hasAlias($aliasId)) {
          $container
            ->setAlias($serviceId, new Alias($aliasId));
        }
      }
    }
  }

}

Classes

Name	Description
AutoAliasServicePass	Sets a service to be an alias of another one, given a format pattern.