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<?php
/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
namespace Symfony\Component\Translation\Loader;
use Symfony\Component\Translation\Exception\InvalidResourceException; use Symfony\Component\Translation\Exception\LogicException; use Symfony\Component\Yaml\Exception\ParseException; use Symfony\Component\Yaml\Parser as YamlParser;
/** * YamlFileLoader loads translations from Yaml files. * * @author Fabien Potencier <fabien@symfony.com> */ class YamlFileLoader extends FileLoader { private $yamlParser;
/** * {@inheritdoc} */ protected function loadResource($resource) { if (null === $this->yamlParser) { if (!class_exists('Symfony\Component\Yaml\Parser')) { throw new LogicException('Loading translations from the YAML format requires the Symfony Yaml component.'); }
$this->yamlParser = new YamlParser(); }
$prevErrorHandler = set_error_handler(function ($level, $message, $script, $line) use ($resource, &$prevErrorHandler) { $message = E_USER_DEPRECATED === $level ? preg_replace('/ on line \d+/', ' in "'.$resource.'"$0', $message) : $message;
return $prevErrorHandler ? $prevErrorHandler($level, $message, $script, $line) : false; });
try { $messages = $this->yamlParser->parseFile($resource); } catch (ParseException $e) { throw new InvalidResourceException(sprintf('Error parsing YAML, invalid file "%s"', $resource), 0, $e); } finally { restore_error_handler(); }
if (null !== $messages && !\is_array($messages)) { throw new InvalidResourceException(sprintf('Unable to load file "%s".', $resource)); }
return $messages ?: []; } }
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