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91 lines
2.8 KiB
91 lines
2.8 KiB
<?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\Config\Resource\DirectoryResource; |
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use Symfony\Component\Translation\Exception\InvalidResourceException; |
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use Symfony\Component\Translation\Exception\NotFoundResourceException; |
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use Symfony\Component\Translation\MessageCatalogue; |
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/** |
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* IcuResFileLoader loads translations from a resource bundle. |
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* |
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* @author stealth35 |
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*/ |
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class IcuResFileLoader implements LoaderInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load($resource, $locale, $domain = 'messages') |
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{ |
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if (!stream_is_local($resource)) { |
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throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource)); |
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} |
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if (!is_dir($resource)) { |
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throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource)); |
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} |
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try { |
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$rb = new \ResourceBundle($locale, $resource); |
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} catch (\Exception $e) { |
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$rb = null; |
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} |
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if (!$rb) { |
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throw new InvalidResourceException(sprintf('Cannot load resource "%s"', $resource)); |
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} elseif (intl_is_failure($rb->getErrorCode())) { |
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throw new InvalidResourceException($rb->getErrorMessage(), $rb->getErrorCode()); |
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} |
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$messages = $this->flatten($rb); |
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$catalogue = new MessageCatalogue($locale); |
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$catalogue->add($messages, $domain); |
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if (class_exists('Symfony\Component\Config\Resource\DirectoryResource')) { |
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$catalogue->addResource(new DirectoryResource($resource)); |
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} |
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return $catalogue; |
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} |
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/** |
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* Flattens an ResourceBundle. |
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* |
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* The scheme used is: |
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* key { key2 { key3 { "value" } } } |
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* Becomes: |
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* 'key.key2.key3' => 'value' |
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* |
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* This function takes an array by reference and will modify it |
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* |
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* @param \ResourceBundle $rb The ResourceBundle that will be flattened |
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* @param array $messages Used internally for recursive calls |
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* @param string $path Current path being parsed, used internally for recursive calls |
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* |
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* @return array the flattened ResourceBundle |
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*/ |
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protected function flatten(\ResourceBundle $rb, array &$messages = [], $path = null) |
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{ |
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foreach ($rb as $key => $value) { |
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$nodePath = $path ? $path.'.'.$key : $key; |
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if ($value instanceof \ResourceBundle) { |
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$this->flatten($value, $messages, $nodePath); |
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} else { |
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$messages[$nodePath] = $value; |
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} |
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} |
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return $messages; |
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} |
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}
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