4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\Translation\Loader;
14 use Symfony\Component\Translation\Exception\InvalidResourceException;
15 use Symfony\Component\Translation\Exception\LogicException;
16 use Symfony\Component\Yaml\Parser as YamlParser;
17 use Symfony\Component\Yaml\Exception\ParseException;
20 * YamlFileLoader loads translations from Yaml files.
22 * @author Fabien Potencier <fabien@symfony.com>
24 class YamlFileLoader extends FileLoader
31 protected function loadResource($resource)
33 if (null === $this->yamlParser) {
34 if (!class_exists('Symfony\Component\Yaml\Parser')) {
35 throw new LogicException('Loading translations from the YAML format requires the Symfony Yaml component.');
38 $this->yamlParser = new YamlParser();
41 $prevErrorHandler = set_error_handler(function ($level, $message, $script, $line) use ($resource, &$prevErrorHandler) {
42 $message = E_USER_DEPRECATED === $level ? preg_replace('/ on line \d+/', ' in "'.$resource.'"$0', $message) : $message;
44 return $prevErrorHandler ? $prevErrorHandler($level, $message, $script, $line) : false;
48 $messages = $this->yamlParser->parseFile($resource);
49 } catch (ParseException $e) {
50 throw new InvalidResourceException(sprintf('Error parsing YAML, invalid file "%s"', $resource), 0, $e);
52 restore_error_handler();