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vichan/inc/lib/Twig/Extension/Escaper.php

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<?php
/*
* This file is part of Twig.
*
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* (c) Fabien Potencier
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*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
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/**
* @final
*/
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class Twig_Extension_Escaper extends Twig_Extension
{
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protected $defaultStrategy;
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/**
* @param string|false|callable $defaultStrategy An escaping strategy
*
* @see setDefaultStrategy()
*/
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public function __construct($defaultStrategy = 'html')
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{
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$this->setDefaultStrategy($defaultStrategy);
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}
public function getTokenParsers()
{
return array(new Twig_TokenParser_AutoEscape());
}
public function getNodeVisitors()
{
return array(new Twig_NodeVisitor_Escaper());
}
public function getFilters()
{
return array(
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new Twig_SimpleFilter('raw', 'twig_raw_filter', array('is_safe' => array('all'))),
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);
}
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/**
* Sets the default strategy to use when not defined by the user.
*
* The strategy can be a valid PHP callback that takes the template
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* name as an argument and returns the strategy to use.
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*
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* @param string|false|callable $defaultStrategy An escaping strategy
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*/
public function setDefaultStrategy($defaultStrategy)
{
// for BC
if (true === $defaultStrategy) {
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@trigger_error('Using "true" as the default strategy is deprecated since version 1.21. Use "html" instead.', E_USER_DEPRECATED);
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$defaultStrategy = 'html';
}
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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) {
$defaultStrategy = array('Twig_FileExtensionEscapingStrategy', 'guess');
}
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$this->defaultStrategy = $defaultStrategy;
}
/**
* Gets the default strategy to use when not defined by the user.
*
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* @param string $name The template name
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*
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* @return string|false The default strategy to use for the template
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*/
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public function getDefaultStrategy($name)
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{
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// disable string callables to avoid calling a function named html or js,
// or any other upcoming escaping strategy
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if (!is_string($this->defaultStrategy) && false !== $this->defaultStrategy) {
return call_user_func($this->defaultStrategy, $name);
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}
return $this->defaultStrategy;
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}
public function getName()
{
return 'escaper';
}
}
/**
* Marks a variable as being safe.
*
* @param string $string A PHP variable
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*
* @return string
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*/
function twig_raw_filter($string)
{
return $string;
}
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class_alias('Twig_Extension_Escaper', 'Twig\Extension\EscaperExtension', false);