From 8069e235fd2971675ee5fc05026ffa9bce5cbbb7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= <nicolas.loeuillet@gmail.com>
Date: Fri, 2 Aug 2013 22:43:56 +0200
Subject: move Twig in 3rdparty

---
 inc/3rdparty/Twig/Extension/Escaper.php | 107 ++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 inc/3rdparty/Twig/Extension/Escaper.php

(limited to 'inc/3rdparty/Twig/Extension/Escaper.php')

diff --git a/inc/3rdparty/Twig/Extension/Escaper.php b/inc/3rdparty/Twig/Extension/Escaper.php
new file mode 100644
index 00000000..c9a7f68e
--- /dev/null
+++ b/inc/3rdparty/Twig/Extension/Escaper.php
@@ -0,0 +1,107 @@
+<?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 $defaultStrategy;
+
+    public function __construct($defaultStrategy = 'html')
+    {
+        $this->setDefaultStrategy($defaultStrategy);
+    }
+
+    /**
+     * 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(
+            new Twig_SimpleFilter('raw', 'twig_raw_filter', array('is_safe' => array('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
+     * "filename" as an argument and returns the strategy to use.
+     *
+     * @param mixed $defaultStrategy An escaping strategy
+     */
+    public function setDefaultStrategy($defaultStrategy)
+    {
+        // for BC
+        if (true === $defaultStrategy) {
+            $defaultStrategy = 'html';
+        }
+
+        $this->defaultStrategy = $defaultStrategy;
+    }
+
+    /**
+     * Gets the default strategy to use when not defined by the user.
+     *
+     * @param string $filename The template "filename"
+     *
+     * @return string The default strategy to use for the template
+     */
+    public function getDefaultStrategy($filename)
+    {
+        // disable string callables to avoid calling a function named html or js,
+        // or any other upcoming escaping strategy
+        if (!is_string($this->defaultStrategy) && is_callable($this->defaultStrategy)) {
+            return call_user_func($this->defaultStrategy, $filename);
+        }
+
+        return $this->defaultStrategy;
+    }
+
+    /**
+     * 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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