1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 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
12namespace Twig\Node;
13
14use Twig\Compiler;
15
16/**
17 * Represents a sandbox node.
18 *
19 * @author Fabien Potencier <fabien@symfony.com>
20 */
21class SandboxNode extends Node
22{
23    public function __construct(Node $body, int $lineno, string $tag = null)
24    {
25        parent::__construct(['body' => $body], [], $lineno, $tag);
26    }
27
28    public function compile(Compiler $compiler)
29    {
30        $compiler
31            ->addDebugInfo($this)
32            ->write("if (!\$alreadySandboxed = \$this->sandbox->isSandboxed()) {\n")
33            ->indent()
34            ->write("\$this->sandbox->enableSandbox();\n")
35            ->outdent()
36            ->write("}\n")
37            ->write("try {\n")
38            ->indent()
39            ->subcompile($this->getNode('body'))
40            ->outdent()
41            ->write("} finally {\n")
42            ->indent()
43            ->write("if (!\$alreadySandboxed) {\n")
44            ->indent()
45            ->write("\$this->sandbox->disableSandbox();\n")
46            ->outdent()
47            ->write("}\n")
48            ->outdent()
49            ->write("}\n")
50        ;
51    }
52}
53
54class_alias('Twig\Node\SandboxNode', 'Twig_Node_Sandbox');
55