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\Loader;
Chris@0: 
Chris@0: use Symfony\Component\Translation\Exception\InvalidResourceException;
Chris@0: use Symfony\Component\Translation\Exception\LogicException;
Chris@17: use Symfony\Component\Yaml\Exception\ParseException;
Chris@0: use Symfony\Component\Yaml\Parser as YamlParser;
Chris@0: 
Chris@0: /**
Chris@0:  * YamlFileLoader loads translations from Yaml files.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  */
Chris@0: class YamlFileLoader extends FileLoader
Chris@0: {
Chris@0:     private $yamlParser;
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function loadResource($resource)
Chris@0:     {
Chris@0:         if (null === $this->yamlParser) {
Chris@0:             if (!class_exists('Symfony\Component\Yaml\Parser')) {
Chris@0:                 throw new LogicException('Loading translations from the YAML format requires the Symfony Yaml component.');
Chris@0:             }
Chris@0: 
Chris@0:             $this->yamlParser = new YamlParser();
Chris@0:         }
Chris@0: 
Chris@14:         $prevErrorHandler = set_error_handler(function ($level, $message, $script, $line) use ($resource, &$prevErrorHandler) {
Chris@14:             $message = E_USER_DEPRECATED === $level ? preg_replace('/ on line \d+/', ' in "'.$resource.'"$0', $message) : $message;
Chris@14: 
Chris@14:             return $prevErrorHandler ? $prevErrorHandler($level, $message, $script, $line) : false;
Chris@14:         });
Chris@14: 
Chris@0:         try {
Chris@14:             $messages = $this->yamlParser->parseFile($resource);
Chris@0:         } catch (ParseException $e) {
Chris@0:             throw new InvalidResourceException(sprintf('Error parsing YAML, invalid file "%s"', $resource), 0, $e);
Chris@14:         } finally {
Chris@14:             restore_error_handler();
Chris@0:         }
Chris@0: 
Chris@0:         return $messages;
Chris@0:     }
Chris@0: }