Chris@14: <?php
Chris@14: 
Chris@14: /*
Chris@14:  * This file is part of the Symfony package.
Chris@14:  *
Chris@14:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@14:  *
Chris@14:  * For the full copyright and license information, please view the LICENSE
Chris@14:  * file that was distributed with this source code.
Chris@14:  */
Chris@14: 
Chris@14: namespace Symfony\Component\HttpKernel\DependencyInjection;
Chris@14: 
Chris@14: use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
Chris@14: use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
Chris@14: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@14: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@14: use Symfony\Component\DependencyInjection\Exception\RuntimeException;
Chris@14: use Symfony\Component\DependencyInjection\Reference;
Chris@14: 
Chris@14: /**
Chris@14:  * @author Alexander M. Turek <me@derrabus.de>
Chris@14:  */
Chris@14: class ResettableServicePass implements CompilerPassInterface
Chris@14: {
Chris@14:     private $tagName;
Chris@14: 
Chris@14:     public function __construct($tagName = 'kernel.reset')
Chris@14:     {
Chris@14:         $this->tagName = $tagName;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function process(ContainerBuilder $container)
Chris@14:     {
Chris@14:         if (!$container->has('services_resetter')) {
Chris@14:             return;
Chris@14:         }
Chris@14: 
Chris@17:         $services = $methods = [];
Chris@14: 
Chris@14:         foreach ($container->findTaggedServiceIds($this->tagName, true) as $id => $tags) {
Chris@14:             $services[$id] = new Reference($id, ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE);
Chris@14:             $attributes = $tags[0];
Chris@14: 
Chris@14:             if (!isset($attributes['method'])) {
Chris@14:                 throw new RuntimeException(sprintf('Tag %s requires the "method" attribute to be set.', $this->tagName));
Chris@14:             }
Chris@14: 
Chris@14:             $methods[$id] = $attributes['method'];
Chris@14:         }
Chris@14: 
Chris@14:         if (empty($services)) {
Chris@14:             $container->removeAlias('services_resetter');
Chris@14:             $container->removeDefinition('services_resetter');
Chris@14: 
Chris@14:             return;
Chris@14:         }
Chris@14: 
Chris@14:         $container->findDefinition('services_resetter')
Chris@14:             ->setArgument(0, new IteratorArgument($services))
Chris@14:             ->setArgument(1, $methods);
Chris@14:     }
Chris@14: }