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<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Extension_Escaper extends Twig_Extension
{
protected $autoescape;
public function __construct($autoescape = true)
{
$this->autoescape = $autoescape;
}
/**
* Returns the token parser instances to add to the existing list.
*
* @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
*/
public function getTokenParsers()
{
return array(new Twig_TokenParser_AutoEscape());
}
/**
* Returns the node visitor instances to add to the existing list.
*
* @return array An array of Twig_NodeVisitorInterface instances
*/
public function getNodeVisitors()
{
return array(new Twig_NodeVisitor_Escaper());
}
/**
* Returns a list of filters to add to the existing list.
*
* @return array An array of filters
*/
public function getFilters()
{
return array(
'raw' => new Twig_Filter_Function('twig_raw_filter', array('is_safe' => array('all'))),
);
}
public function isGlobal()
{
return $this->autoescape;
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'escaper';
}
}
/**
* Marks a variable as being safe.
*
* @param string $string A PHP variable
*/
function twig_raw_filter($string)
{
return $string;
}
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