| <?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; |
| use Symfony\Component\Yaml\Yaml; |
| |
| /** |
| * YamlFileLoader loads translations from Yaml files. |
| * |
| * @author Fabien Potencier <fabien@symfony.com> |
| */ |
| class YamlFileLoader extends FileLoader |
| { |
| private $yamlParser; |
| |
| /** |
| * {@inheritdoc} |
| */ |
| protected function loadResource(string $resource) |
| { |
| if (null === $this->yamlParser) { |
| if (!class_exists(\Symfony\Component\Yaml\Parser::class)) { |
| throw new LogicException('Loading translations from the YAML format requires the Symfony Yaml component.'); |
| } |
| |
| $this->yamlParser = new YamlParser(); |
| } |
| |
| try { |
| $messages = $this->yamlParser->parseFile($resource, Yaml::PARSE_CONSTANT); |
| } catch (ParseException $e) { |
| throw new InvalidResourceException(sprintf('The file "%s" does not contain valid YAML: ', $resource).$e->getMessage(), 0, $e); |
| } |
| |
| if (null !== $messages && !\is_array($messages)) { |
| throw new InvalidResourceException(sprintf('Unable to load file "%s".', $resource)); |
| } |
| |
| return $messages ?: []; |
| } |
| } |