<?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\Extension\ConfigurationExtensionInterface;
use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
/**
* Merges extension configs into the container builder.
* @author Fabien Potencier <fabien@symfony.com>
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);
if ($extension instanceof ConfigurationExtensionInterface && null !== $configuration = $extension->getConfiguration($config, $tmpContainer)) {
$tmpContainer->addObjectResource($configuration);
foreach ($exprLangProviders as $provider) {
$tmpContainer->addExpressionLanguageProvider($provider);
$extension->load($config, $tmpContainer);
$container->merge($tmpContainer);
$container->getParameterBag()->add($parameters);
$container->addDefinitions($definitions);
$container->addAliases($aliases);