Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Translation\DependencyInjection;
Chris@0: 
Chris@4: use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
Chris@4: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@4: use Symfony\Component\DependencyInjection\Exception\RuntimeException;
Chris@0: use Symfony\Component\DependencyInjection\Reference;
Chris@0: 
Chris@0: /**
Chris@0:  * Adds tagged translation.extractor services to translation extractor.
Chris@0:  */
Chris@0: class TranslationExtractorPass implements CompilerPassInterface
Chris@0: {
Chris@0:     private $extractorServiceId;
Chris@0:     private $extractorTag;
Chris@0: 
Chris@0:     public function __construct($extractorServiceId = 'translation.extractor', $extractorTag = 'translation.extractor')
Chris@0:     {
Chris@0:         $this->extractorServiceId = $extractorServiceId;
Chris@0:         $this->extractorTag = $extractorTag;
Chris@0:     }
Chris@0: 
Chris@0:     public function process(ContainerBuilder $container)
Chris@0:     {
Chris@0:         if (!$container->hasDefinition($this->extractorServiceId)) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         $definition = $container->getDefinition($this->extractorServiceId);
Chris@0: 
Chris@0:         foreach ($container->findTaggedServiceIds($this->extractorTag, true) as $id => $attributes) {
Chris@0:             if (!isset($attributes[0]['alias'])) {
Chris@0:                 throw new RuntimeException(sprintf('The alias for the tag "translation.extractor" of service "%s" must be set.', $id));
Chris@0:             }
Chris@0: 
Chris@4:             $definition->addMethodCall('addExtractor', [$attributes[0]['alias'], new Reference($id)]);
Chris@0:         }
Chris@0:     }
Chris@0: }