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- <?php
- 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;
- class YamlFileLoader extends FileLoader
- {
- private $yamlParser;
-
- 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 ?: [];
- }
- }
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