55 lines
1.6 KiB
PHP
55 lines
1.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Translation\Loader;
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use Symfony\Component\Translation\Exception\InvalidResourceException;
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use Symfony\Component\Translation\Exception\LogicException;
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use Symfony\Component\Yaml\Exception\ParseException;
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use Symfony\Component\Yaml\Parser as YamlParser;
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use Symfony\Component\Yaml\Yaml;
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/**
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* YamlFileLoader loads translations from Yaml files.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class YamlFileLoader extends FileLoader
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{
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private $yamlParser;
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/**
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* {@inheritdoc}
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*/
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protected function loadResource(string $resource)
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{
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if (null === $this->yamlParser) {
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if (!class_exists(\Symfony\Component\Yaml\Parser::class)) {
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throw new LogicException('Loading translations from the YAML format requires the Symfony Yaml component.');
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}
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$this->yamlParser = new YamlParser();
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}
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try {
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$messages = $this->yamlParser->parseFile($resource, Yaml::PARSE_CONSTANT);
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} catch (ParseException $e) {
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throw new InvalidResourceException(sprintf('The file "%s" does not contain valid YAML: ', $resource).$e->getMessage(), 0, $e);
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}
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if (null !== $messages && !\is_array($messages)) {
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throw new InvalidResourceException(sprintf('Unable to load file "%s".', $resource));
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}
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return $messages ?: [];
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}
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}
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