shop.balmet.com

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs | README

AutoEscape.php (2541B)

      1 <?php
      2 
      3 /*
      4  * This file is part of Twig.
      5  *
      6  * (c) 2009 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  * Marks a section of a template to be escaped or not.
     14  *
     15  * <pre>
     16  * {% autoescape true %}
     17  *   Everything will be automatically escaped in this block
     18  * {% endautoescape %}
     19  *
     20  * {% autoescape false %}
     21  *   Everything will be outputed as is in this block
     22  * {% endautoescape %}
     23  *
     24  * {% autoescape true js %}
     25  *   Everything will be automatically escaped in this block
     26  *   using the js escaping strategy
     27  * {% endautoescape %}
     28  * </pre>
     29  */
     30 class Twig_TokenParser_AutoEscape extends Twig_TokenParser
     31 {
     32     public function parse(Twig_Token $token)
     33     {
     34         $lineno = $token->getLine();
     35         $stream = $this->parser->getStream();
     36 
     37         if ($stream->test(Twig_Token::BLOCK_END_TYPE)) {
     38             $value = 'html';
     39         } else {
     40             $expr = $this->parser->getExpressionParser()->parseExpression();
     41             if (!$expr instanceof Twig_Node_Expression_Constant) {
     42                 throw new Twig_Error_Syntax('An escaping strategy must be a string or a bool.', $stream->getCurrent()->getLine(), $stream->getFilename());
     43             }
     44             $value = $expr->getAttribute('value');
     45 
     46             $compat = true === $value || false === $value;
     47 
     48             if (true === $value) {
     49                 $value = 'html';
     50             }
     51 
     52             if ($compat && $stream->test(Twig_Token::NAME_TYPE)) {
     53                 @trigger_error('Using the autoescape tag with "true" or "false" before the strategy name is deprecated since version 1.21.', E_USER_DEPRECATED);
     54 
     55                 if (false === $value) {
     56                     throw new Twig_Error_Syntax('Unexpected escaping strategy as you set autoescaping to false.', $stream->getCurrent()->getLine(), $stream->getFilename());
     57                 }
     58 
     59                 $value = $stream->next()->getValue();
     60             }
     61         }
     62 
     63         $stream->expect(Twig_Token::BLOCK_END_TYPE);
     64         $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
     65         $stream->expect(Twig_Token::BLOCK_END_TYPE);
     66 
     67         return new Twig_Node_AutoEscape($value, $body, $lineno, $this->getTag());
     68     }
     69 
     70     public function decideBlockEnd(Twig_Token $token)
     71     {
     72         return $token->test('endautoescape');
     73     }
     74 
     75     public function getTag()
     76     {
     77         return 'autoescape';
     78     }
     79 }