vendor/twig/twig/lib/Twig/TokenParser/Spaceless.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
  12 /**
  13  * Remove whitespaces between HTML tags.
  14  *
  15  * <pre>
  16  * {% spaceless %}
  17  *      <div>
  18  *          <strong>foo</strong>
  19  *      </div>
  20  * {% endspaceless %}
  21  *
  22  * {# output will be <div><strong>foo</strong></div> #}
  23  * </pre>
  24  */
  25 class Twig_TokenParser_Spaceless extends Twig_TokenParser
  26 {
  27     /**
  28      * Parses a token and returns a node.
  29      *
  30      * @param Twig_Token $token A Twig_Token instance
  31      *
  32      * @return Twig_NodeInterface A Twig_NodeInterface instance
  33      */
  34     public function parse(Twig_Token $token)
  35     {
  36         $lineno = $token->getLine();
  37
  38         $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
  39         $body = $this->parser->subparse(array($this, 'decideSpacelessEnd'), true);
  40         $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
  41
  42         return new Twig_Node_Spaceless($body, $lineno, $this->getTag());
  43     }
  44
  45     public function decideSpacelessEnd(Twig_Token $token)
  46     {
  47         return $token->test('endspaceless');
  48     }
  49
  50     /**
  51      * Gets the tag name associated with this token parser.
  52      *
  53      * @return string The tag name
  54      */
  55     public function getTag()
  56     {
  57         return 'spaceless';
  58     }
  59 }