Files
Phraseanet/lib/classes/Twig/Node/SandboxedPrint.php
2011-02-16 16:09:48 +01:00

53 lines
1.5 KiB
PHP
Executable File

<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Twig_Node_SandboxedPrint adds a check for the __toString() method
* when the variable is an object and the sandbox is activated.
*
* When there is a simple Print statement, like {{ article }},
* and if the sandbox is enabled, we need to check that the __toString()
* method is allowed if 'article' is an object.
*
* @package twig
* @author Fabien Potencier <fabien.potencier@symfony-project.com>
*/
class Twig_Node_SandboxedPrint extends Twig_Node_Print
{
public function __construct(Twig_Node_Print $node)
{
parent::__construct($node->getNode('expr'), $node->getLine(), $node->getNodeTag());
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile($compiler)
{
$compiler
->addDebugInfo($this)
->write('if ($this->env->hasExtension(\'sandbox\') && is_object(')
->subcompile($this->getNode('expr'))
->raw(')) {'."\n")
->indent()
->write('$this->env->getExtension(\'sandbox\')->checkMethodAllowed(')
->subcompile($this->getNode('expr'))
->raw(', \'__toString\');'."\n")
->outdent()
->write('}'."\n")
;
parent::compile($compiler);
}
}