inc/3rdparty/Twig/Extensions/Grammar/Boolean.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 2010 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 class Twig_Extensions_Grammar_Boolean extends Twig_Extensions_Grammar
  12 {
  13     public function __toString()
  14     {
  15         return sprintf('<%s:boolean>', $this->name);
  16     }
  17
  18     public function parse(Twig_Token $token)
  19     {
  20         $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, array('true', 'false'));
  21
  22         return new Twig_Node_Expression_Constant('true' === $token->getValue() ? true : false, $token->getLine());
  23     }
  24 }