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  * Marks a section of a template as untrusted code that must be evaluated in the sandbox mode.

    14  *

    15  * <pre>

    16  * {% sandbox %}

    17  *     {% include 'user.html' %}

    18  * {% endsandbox %}

    19  * </pre>

    20  *

    21  * @see http://www.twig-project.org/doc/api.html#sandbox-extension for details

    22  */

    23 class Twig_TokenParser_Sandbox extends Twig_TokenParser

    24 {

    25     /**

    26      * Parses a token and returns a node.

    27      *

    28      * @param Twig_Token $token A Twig_Token instance

    29      *

    30      * @return Twig_NodeInterface A Twig_NodeInterface instance

    31      */

    32     public function parse(Twig_Token $token)

    33     {

    34         $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);

    35         $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);

    36         $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);

    37 

    38         return new Twig_Node_Sandbox($body, $token->getLine(), $this->getTag());

    39     }

    40 

    41     public function decideBlockEnd(Twig_Token $token)

    42     {

    43         return $token->test('endsandbox');

    44     }

    45 

    46     /**

    47      * Gets the tag name associated with this token parser.

    48      *

    49      * @param string The tag name

    50      */

    51     public function getTag()

    52     {

    53         return 'sandbox';

    54     }

    55 }