4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\Translation\Loader;
14 use Symfony\Component\Translation\MessageCatalogue;
15 use Symfony\Component\Translation\Exception\InvalidResourceException;
16 use Symfony\Component\Translation\Exception\NotFoundResourceException;
17 use Symfony\Component\Config\Resource\DirectoryResource;
20 * IcuResFileLoader loads translations from a resource bundle.
24 class IcuResFileLoader implements LoaderInterface
29 public function load($resource, $locale, $domain = 'messages')
31 if (!stream_is_local($resource)) {
32 throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource));
35 if (!is_dir($resource)) {
36 throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
40 $rb = new \ResourceBundle($locale, $resource);
41 } catch (\Exception $e) {
42 // HHVM compatibility: constructor throws on invalid resource
47 throw new InvalidResourceException(sprintf('Cannot load resource "%s"', $resource));
48 } elseif (intl_is_failure($rb->getErrorCode())) {
49 throw new InvalidResourceException($rb->getErrorMessage(), $rb->getErrorCode());
52 $messages = $this->flatten($rb);
53 $catalogue = new MessageCatalogue($locale);
54 $catalogue->add($messages, $domain);
56 if (class_exists('Symfony\Component\Config\Resource\DirectoryResource')) {
57 $catalogue->addResource(new DirectoryResource($resource));
64 * Flattens an ResourceBundle.
67 * key { key2 { key3 { "value" } } }
69 * 'key.key2.key3' => 'value'
71 * This function takes an array by reference and will modify it
73 * @param \ResourceBundle $rb the ResourceBundle that will be flattened
74 * @param array $messages used internally for recursive calls
75 * @param string $path current path being parsed, used internally for recursive calls
77 * @return array the flattened ResourceBundle
79 protected function flatten(\ResourceBundle $rb, array &$messages = array(), $path = null)
81 foreach ($rb as $key => $value) {
82 $nodePath = $path ? $path.'.'.$key : $key;
83 if ($value instanceof \ResourceBundle) {
84 $this->flatten($value, $messages, $nodePath);
86 $messages[$nodePath] = $value;