Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Translation\Loader;
Chris@0: 
Chris@17: use Symfony\Component\Config\Resource\DirectoryResource;
Chris@0: use Symfony\Component\Translation\Exception\InvalidResourceException;
Chris@0: use Symfony\Component\Translation\Exception\NotFoundResourceException;
Chris@17: use Symfony\Component\Translation\MessageCatalogue;
Chris@0: 
Chris@0: /**
Chris@0:  * IcuResFileLoader loads translations from a resource bundle.
Chris@0:  *
Chris@0:  * @author stealth35
Chris@0:  */
Chris@0: class IcuResFileLoader implements LoaderInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function load($resource, $locale, $domain = 'messages')
Chris@0:     {
Chris@0:         if (!stream_is_local($resource)) {
Chris@0:             throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource));
Chris@0:         }
Chris@0: 
Chris@0:         if (!is_dir($resource)) {
Chris@0:             throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
Chris@0:         }
Chris@0: 
Chris@0:         try {
Chris@0:             $rb = new \ResourceBundle($locale, $resource);
Chris@0:         } catch (\Exception $e) {
Chris@0:             // HHVM compatibility: constructor throws on invalid resource
Chris@0:             $rb = null;
Chris@0:         }
Chris@0: 
Chris@0:         if (!$rb) {
Chris@0:             throw new InvalidResourceException(sprintf('Cannot load resource "%s"', $resource));
Chris@0:         } elseif (intl_is_failure($rb->getErrorCode())) {
Chris@0:             throw new InvalidResourceException($rb->getErrorMessage(), $rb->getErrorCode());
Chris@0:         }
Chris@0: 
Chris@0:         $messages = $this->flatten($rb);
Chris@0:         $catalogue = new MessageCatalogue($locale);
Chris@0:         $catalogue->add($messages, $domain);
Chris@0: 
Chris@0:         if (class_exists('Symfony\Component\Config\Resource\DirectoryResource')) {
Chris@0:             $catalogue->addResource(new DirectoryResource($resource));
Chris@0:         }
Chris@0: 
Chris@0:         return $catalogue;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Flattens an ResourceBundle.
Chris@0:      *
Chris@0:      * The scheme used is:
Chris@0:      *   key { key2 { key3 { "value" } } }
Chris@0:      * Becomes:
Chris@0:      *   'key.key2.key3' => 'value'
Chris@0:      *
Chris@0:      * This function takes an array by reference and will modify it
Chris@0:      *
Chris@14:      * @param \ResourceBundle $rb       The ResourceBundle that will be flattened
Chris@14:      * @param array           $messages Used internally for recursive calls
Chris@14:      * @param string          $path     Current path being parsed, used internally for recursive calls
Chris@0:      *
Chris@0:      * @return array the flattened ResourceBundle
Chris@0:      */
Chris@17:     protected function flatten(\ResourceBundle $rb, array &$messages = [], $path = null)
Chris@0:     {
Chris@0:         foreach ($rb as $key => $value) {
Chris@0:             $nodePath = $path ? $path.'.'.$key : $key;
Chris@0:             if ($value instanceof \ResourceBundle) {
Chris@0:                 $this->flatten($value, $messages, $nodePath);
Chris@0:             } else {
Chris@0:                 $messages[$nodePath] = $value;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $messages;
Chris@0:     }
Chris@0: }