<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 * (c) 2009 Armin Ronacher

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a module node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_SandboxedModule extends Twig_Node_Module

{

    protected $usedFilters;

    protected $usedTags;

    protected $usedFunctions;

    public function __construct(Twig_Node_Module $node, array $usedFilters, array $usedTags, array $usedFunctions)

    {

        parent::__construct($node->getNode('body'), $node->getNode('parent'), $node->getNode('blocks'), $node->getNode('macros'), $node->getNode('traits'), $node->getAttribute('filename'), $node->getLine(), $node->getNodeTag());

        $this->usedFilters = $usedFilters;

        $this->usedTags = $usedTags;

        $this->usedFunctions = $usedFunctions;

    }

    protected function compileDisplayBody(Twig_Compiler $compiler)

    {

        if (null === $this->getNode('parent')) {

            $compiler->write("\$this->checkSecurity();\n");

        }

        parent::compileDisplayBody($compiler);

    }

    protected function compileDisplayFooter(Twig_Compiler $compiler)

    {

        parent::compileDisplayFooter($compiler);

        $compiler

            ->write("protected function checkSecurity() {\n")

            ->indent()

            ->write("\$this->env->getExtension('sandbox')->checkSecurity(\n")

            ->indent()

            ->write(!$this->usedTags ? "array(),\n" : "array('".implode('\', \'', $this->usedTags)."'),\n")

            ->write(!$this->usedFilters ? "array(),\n" : "array('".implode('\', \'', $this->usedFilters)."'),\n")

            ->write(!$this->usedFunctions ? "array()\n" : "array('".implode('\', \'', $this->usedFunctions)."')\n")

            ->outdent()

            ->write(");\n")

        ;

        if (null !== $this->getNode('parent')) {

            $compiler

                ->raw("\n")

                ->write("\$this->parent->checkSecurity();\n")

            ;

        }

        $compiler

            ->outdent()

            ->write("}\n\n")

        ;

    }

}