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\Translation\DependencyInjection;
Chris@14: 
Chris@17: use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
Chris@17: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@17: use Symfony\Component\DependencyInjection\Exception\RuntimeException;
Chris@14: use Symfony\Component\DependencyInjection\Reference;
Chris@14: 
Chris@14: /**
Chris@14:  * Adds tagged translation.extractor services to translation extractor.
Chris@14:  */
Chris@14: class TranslationExtractorPass implements CompilerPassInterface
Chris@14: {
Chris@14:     private $extractorServiceId;
Chris@14:     private $extractorTag;
Chris@14: 
Chris@14:     public function __construct($extractorServiceId = 'translation.extractor', $extractorTag = 'translation.extractor')
Chris@14:     {
Chris@14:         $this->extractorServiceId = $extractorServiceId;
Chris@14:         $this->extractorTag = $extractorTag;
Chris@14:     }
Chris@14: 
Chris@14:     public function process(ContainerBuilder $container)
Chris@14:     {
Chris@14:         if (!$container->hasDefinition($this->extractorServiceId)) {
Chris@14:             return;
Chris@14:         }
Chris@14: 
Chris@14:         $definition = $container->getDefinition($this->extractorServiceId);
Chris@14: 
Chris@14:         foreach ($container->findTaggedServiceIds($this->extractorTag, true) as $id => $attributes) {
Chris@14:             if (!isset($attributes[0]['alias'])) {
Chris@14:                 throw new RuntimeException(sprintf('The alias for the tag "translation.extractor" of service "%s" must be set.', $id));
Chris@14:             }
Chris@14: 
Chris@17:             $definition->addMethodCall('addExtractor', [$attributes[0]['alias'], new Reference($id)]);
Chris@14:         }
Chris@14:     }
Chris@14: }