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/vendor/twig/twig/src/ -> FileExtensionEscapingStrategy.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of Twig.
   5   *
   6   * (c) Fabien Potencier
   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 Twig;
  13  
  14  /**
  15   * Default autoescaping strategy based on file names.
  16   *
  17   * This strategy sets the HTML as the default autoescaping strategy,
  18   * but changes it based on the template name.
  19   *
  20   * Note that there is no runtime performance impact as the
  21   * default autoescaping strategy is set at compilation time.
  22   *
  23   * @author Fabien Potencier <fabien@symfony.com>
  24   */
  25  class FileExtensionEscapingStrategy
  26  {
  27      /**
  28       * Guesses the best autoescaping strategy based on the file name.
  29       *
  30       * @param string $name The template name
  31       *
  32       * @return string|false The escaping strategy name to use or false to disable
  33       */
  34      public static function guess($name)
  35      {
  36          if (\in_array(substr($name, -1), ['/', '\\'])) {
  37              return 'html'; // return html for directories
  38          }
  39  
  40          if ('.twig' === substr($name, -5)) {
  41              $name = substr($name, 0, -5);
  42          }
  43  
  44          $extension = pathinfo($name, PATHINFO_EXTENSION);
  45  
  46          switch ($extension) {
  47              case 'js':
  48                  return 'js';
  49  
  50              case 'css':
  51                  return 'css';
  52  
  53              case 'txt':
  54                  return false;
  55  
  56              default:
  57                  return 'html';
  58          }
  59      }
  60  }
  61  
  62  class_alias('Twig\FileExtensionEscapingStrategy', 'Twig_FileExtensionEscapingStrategy');


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