inc/3rdparty/Twig/Node/Sandbox.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  * Represents a sandbox node.
  14  *
  15  * @author Fabien Potencier <fabien@symfony.com>
  16  */
  17 class Twig_Node_Sandbox extends Twig_Node
  18 {
  19     public function __construct(Twig_NodeInterface $body, $lineno, $tag = null)
  20     {
  21         parent::__construct(array('body' => $body), array(), $lineno, $tag);
  22     }
  23
  24     /**
  25      * Compiles the node to PHP.
  26      *
  27      * @param Twig_Compiler A Twig_Compiler instance
  28      */
  29     public function compile(Twig_Compiler $compiler)
  30     {
  31         $compiler
  32             ->addDebugInfo($this)
  33             ->write("\$sandbox = \$this->env->getExtension('sandbox');\n")
  34             ->write("if (!\$alreadySandboxed = \$sandbox->isSandboxed()) {\n")
  35             ->indent()
  36             ->write("\$sandbox->enableSandbox();\n")
  37             ->outdent()
  38             ->write("}\n")
  39             ->subcompile($this->getNode('body'))
  40             ->write("if (!\$alreadySandboxed) {\n")
  41             ->indent()
  42             ->write("\$sandbox->disableSandbox();\n")
  43             ->outdent()
  44             ->write("}\n")
  45         ;
  46     }
  47 }