Your IP : 3.14.245.167
<?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.
*/
namespace Twig\Extension {
use Twig\NodeVisitor\EscaperNodeVisitor;
use Twig\TokenParser\AutoEscapeTokenParser;
use Twig\TwigFilter;
/**
* @final
*/
class EscaperExtension extends AbstractExtension
{
protected $defaultStrategy;
/**
* @param string|false|callable $defaultStrategy An escaping strategy
*
* @see setDefaultStrategy()
*/
public function __construct($defaultStrategy = 'html')
{
$this->setDefaultStrategy($defaultStrategy);
}
public function getTokenParsers()
{
return [new AutoEscapeTokenParser()];
}
public function getNodeVisitors()
{
return [new EscaperNodeVisitor()];
}
public function getFilters()
{
return [
new TwigFilter('raw', 'twig_raw_filter', ['is_safe' => ['all']]),
];
}
/**
* Sets the default strategy to use when not defined by the user.
*
* The strategy can be a valid PHP callback that takes the template
* name as an argument and returns the strategy to use.
*
* @param string|false|callable $defaultStrategy An escaping strategy
*/
public function setDefaultStrategy($defaultStrategy)
{
// for BC
if (true === $defaultStrategy) {
@trigger_error('Using "true" as the default strategy is deprecated since version 1.21. Use "html" instead.', \E_USER_DEPRECATED);
$defaultStrategy = 'html';
}
if ('filename' === $defaultStrategy) {
@trigger_error('Using "filename" as the default strategy is deprecated since version 1.27. Use "name" instead.', \E_USER_DEPRECATED);
$defaultStrategy = 'name';
}
if ('name' === $defaultStrategy) {
$defaultStrategy = ['\Twig\FileExtensionEscapingStrategy', 'guess'];
}
$this->defaultStrategy = $defaultStrategy;
}
/**
* Gets the default strategy to use when not defined by the user.
*
* @param string $name The template name
*
* @return string|false The default strategy to use for the template
*/
public function getDefaultStrategy($name)
{
// disable string callables to avoid calling a function named html or js,
// or any other upcoming escaping strategy
if (!\is_string($this->defaultStrategy) && false !== $this->defaultStrategy) {
return \call_user_func($this->defaultStrategy, $name);
}
return $this->defaultStrategy;
}
public function getName()
{
return 'escaper';
}
}
class_alias('Twig\Extension\EscaperExtension', 'Twig_Extension_Escaper');
}
namespace {
/**
* Marks a variable as being safe.
*
* @param string $string A PHP variable
*
* @return string
*/
function twig_raw_filter($string)
{
return $string;
}
}