1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Represents a sandbox node.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Twig_Node_Sandbox extends Twig_Node
{
    public function __construct(Twig_NodeInterface $body, $lineno, $tag = null)
    {
        parent::__construct(array('body' => $body), array(), $lineno, $tag);
    }

    public function compile(Twig_Compiler $compiler)
    {
        $compiler
            ->addDebugInfo($this)
            ->write("\$sandbox = \$this->env->getExtension('Twig_Extension_Sandbox');\n")
            ->write("if (!\$alreadySandboxed = \$sandbox->isSandboxed()) {\n")
            ->indent()
            ->write("\$sandbox->enableSandbox();\n")
            ->outdent()
            ->write("}\n")
            ->subcompile($this->getNode('body'))
            ->write("if (!\$alreadySandboxed) {\n")
            ->indent()
            ->write("\$sandbox->disableSandbox();\n")
            ->outdent()
            ->write("}\n")
        ;
    }
}

class_alias('Twig_Node_Sandbox', 'Twig\Node\SandboxNode', false);