<?php
  
  /*
   * This file is part of the Symfony package.
   *
   * (c) Fabien Potencier <fabien@symfony.com>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  namespace Symfony\Component\Translation\Reader;
  
  use Symfony\Component\Finder\Finder;
  use Symfony\Component\Translation\Loader\LoaderInterface;
  use Symfony\Component\Translation\MessageCatalogue;
  
  /**
   * TranslationReader reads translation messages from translation files.
   *
   * @author Michel Salib <michelsalib@hotmail.com>
   */
  class TranslationReader implements TranslationReaderInterface
  {
      /**
       * Loaders used for import.
       *
       * @var array<string, LoaderInterface>
       */
      private $loaders = [];
  
      /**
       * Adds a loader to the translation extractor.
       *
       * @param string $format The format of the loader
       */
      public function addLoader(string $format, LoaderInterface $loader)
      {
          $this->loaders[$format] = $loader;
      }
  
      /**
       * {@inheritdoc}
       */
      public function read(string $directory, MessageCatalogue $catalogue)
      {
          if (!is_dir($directory)) {
              return;
          }
  
          foreach ($this->loaders as $format => $loader) {
              // load any existing translation files
              $finder = new Finder();
              $extension = $catalogue->getLocale().'.'.$format;
              $files = $finder->files()->name('*.'.$extension)->in($directory);
              foreach ($files as $file) {
                  $domain = substr($file->getFilename(), 0, -1 * \strlen($extension) - 1);
                  $catalogue->addCatalogue($loader->load($file->getPathname(), $catalogue->getLocale(), $domain));
              }
          }
      }
  }