MergeExtensionConfigurationPass.php in Service Container 7

Namespace

Symfony\Component\DependencyInjection\Compiler

File

modules/providers/service_container_symfony/lib/Symfony/Component/DependencyInjection/Compiler/MergeExtensionConfigurationPass.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\ContainerBuilder;
use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;

/**
 * Merges extension configs into the container builder.
 *
 * @author Fabien Potencier <[e-mail]>
 */
class MergeExtensionConfigurationPass implements CompilerPassInterface {

  /**
   * {@inheritdoc}
   */
  public function process(ContainerBuilder $container) {
    $parameters = $container
      ->getParameterBag()
      ->all();
    $definitions = $container
      ->getDefinitions();
    $aliases = $container
      ->getAliases();
    $exprLangProviders = $container
      ->getExpressionLanguageProviders();
    foreach ($container
      ->getExtensions() as $extension) {
      if ($extension instanceof PrependExtensionInterface) {
        $extension
          ->prepend($container);
      }
    }
    foreach ($container
      ->getExtensions() as $name => $extension) {
      if (!($config = $container
        ->getExtensionConfig($name))) {

        // this extension was not called
        continue;
      }
      $config = $container
        ->getParameterBag()
        ->resolveValue($config);
      $tmpContainer = new ContainerBuilder($container
        ->getParameterBag());
      $tmpContainer
        ->setResourceTracking($container
        ->isTrackingResources());
      $tmpContainer
        ->addObjectResource($extension);
      foreach ($exprLangProviders as $provider) {
        $tmpContainer
          ->addExpressionLanguageProvider($provider);
      }
      $extension
        ->load($config, $tmpContainer);
      $container
        ->merge($tmpContainer);
      $container
        ->getParameterBag()
        ->add($parameters);
    }
    $container
      ->addDefinitions($definitions);
    $container
      ->addAliases($aliases);
  }

}

Classes

Name	Description
MergeExtensionConfigurationPass	Merges extension configs into the container builder.