1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Component\Translation\Loader;

    13 

    14 use Symfony\Component\Config\Resource\FileResource;

    15 use Symfony\Component\Yaml\Yaml;

    16 

    17 /**

    18  * YamlFileLoader loads translations from Yaml files.

    19  *

    20  * @author Fabien Potencier <fabien@symfony.com>

    21  *

    22  * @api

    23  */

    24 class YamlFileLoader extends ArrayLoader implements LoaderInterface

    25 {

    26     /**

    27      * {@inheritdoc}

    28      *

    29      * @api

    30      */

    31     public function load($resource, $locale, $domain = 'messages')

    32     {

    33         $messages = Yaml::parse($resource);

    34 

    35         // empty file

    36         if (null === $messages) {

    37             $messages = array();

    38         }

    39 

    40         // not an array

    41         if (!is_array($messages)) {

    42             throw new \InvalidArgumentException(sprintf('The file "%s" must contain a YAML array.', $resource));

    43         }

    44 

    45         $catalogue = parent::load($messages, $locale, $domain);

    46         $catalogue->addResource(new FileResource($resource));

    47 

    48         return $catalogue;

    49     }

    50 }