<?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\Loader;
  
  use Symfony\Component\Translation\Exception\NotFoundResourceException;
  
  /**
   * CsvFileLoader loads translations from CSV files.
   *
   * @author Saša Stamenković <umpirsky@gmail.com>
   */
  class CsvFileLoader extends FileLoader
  {
      private $delimiter = ';';
      private $enclosure = '"';
      private $escape = '\\';
  
      /**
       * {@inheritdoc}
       */
      protected function loadResource(string $resource)
      {
          $messages = [];
  
          try {
              $file = new \SplFileObject($resource, 'rb');
          } catch (\RuntimeException $e) {
              throw new NotFoundResourceException(sprintf('Error opening file "%s".', $resource), 0, $e);
          }
  
          $file->setFlags(\SplFileObject::READ_CSV | \SplFileObject::SKIP_EMPTY);
          $file->setCsvControl($this->delimiter, $this->enclosure, $this->escape);
  
          foreach ($file as $data) {
              if (false === $data) {
                  continue;
              }
  
              if ('#' !== substr($data[0], 0, 1) && isset($data[1]) && 2 === \count($data)) {
                  $messages[$data[0]] = $data[1];
              }
          }
  
          return $messages;
      }
  
      /**
       * Sets the delimiter, enclosure, and escape character for CSV.
       */
      public function setCsvControl(string $delimiter = ';', string $enclosure = '"', string $escape = '\\')
      {
          $this->delimiter = $delimiter;
          $this->enclosure = $enclosure;
          $this->escape = $escape;
      }
  }