From 4f5b44bd3bd490309eb2ba7b44df4769816ba729 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= <nicolas.loeuillet@gmail.com>
Date: Sat, 3 Aug 2013 19:26:54 +0200
Subject: twig implementation

---
 inc/3rdparty/Twig/NodeVisitor/Escaper.php | 167 ------------------------------
 1 file changed, 167 deletions(-)
 delete mode 100644 inc/3rdparty/Twig/NodeVisitor/Escaper.php

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

diff --git a/inc/3rdparty/Twig/NodeVisitor/Escaper.php b/inc/3rdparty/Twig/NodeVisitor/Escaper.php
deleted file mode 100644
index cc4b3d71..00000000
--- a/inc/3rdparty/Twig/NodeVisitor/Escaper.php
+++ /dev/null
@@ -1,167 +0,0 @@
-<?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.
- */
-
-/**
- * Twig_NodeVisitor_Escaper implements output escaping.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class Twig_NodeVisitor_Escaper implements Twig_NodeVisitorInterface
-{
-    protected $statusStack = array();
-    protected $blocks = array();
-    protected $safeAnalysis;
-    protected $traverser;
-    protected $defaultStrategy = false;
-    protected $safeVars = array();
-
-    public function __construct()
-    {
-        $this->safeAnalysis = new Twig_NodeVisitor_SafeAnalysis();
-    }
-
-    /**
-     * Called before child nodes are visited.
-     *
-     * @param Twig_NodeInterface $node The node to visit
-     * @param Twig_Environment   $env  The Twig environment instance
-     *
-     * @return Twig_NodeInterface The modified node
-     */
-    public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Module) {
-            if ($env->hasExtension('escaper') && $defaultStrategy = $env->getExtension('escaper')->getDefaultStrategy($node->getAttribute('filename'))) {
-                $this->defaultStrategy = $defaultStrategy;
-            }
-            $this->safeVars = array();
-        } elseif ($node instanceof Twig_Node_AutoEscape) {
-            $this->statusStack[] = $node->getAttribute('value');
-        } elseif ($node instanceof Twig_Node_Block) {
-            $this->statusStack[] = isset($this->blocks[$node->getAttribute('name')]) ? $this->blocks[$node->getAttribute('name')] : $this->needEscaping($env);
-        } elseif ($node instanceof Twig_Node_Import) {
-            $this->safeVars[] = $node->getNode('var')->getAttribute('name');
-        }
-
-        return $node;
-    }
-
-    /**
-     * Called after child nodes are visited.
-     *
-     * @param Twig_NodeInterface $node The node to visit
-     * @param Twig_Environment   $env  The Twig environment instance
-     *
-     * @return Twig_NodeInterface The modified node
-     */
-    public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Module) {
-            $this->defaultStrategy = false;
-            $this->safeVars = array();
-        } elseif ($node instanceof Twig_Node_Expression_Filter) {
-            return $this->preEscapeFilterNode($node, $env);
-        } elseif ($node instanceof Twig_Node_Print) {
-            return $this->escapePrintNode($node, $env, $this->needEscaping($env));
-        }
-
-        if ($node instanceof Twig_Node_AutoEscape || $node instanceof Twig_Node_Block) {
-            array_pop($this->statusStack);
-        } elseif ($node instanceof Twig_Node_BlockReference) {
-            $this->blocks[$node->getAttribute('name')] = $this->needEscaping($env);
-        }
-
-        return $node;
-    }
-
-    protected function escapePrintNode(Twig_Node_Print $node, Twig_Environment $env, $type)
-    {
-        if (false === $type) {
-            return $node;
-        }
-
-        $expression = $node->getNode('expr');
-
-        if ($this->isSafeFor($type, $expression, $env)) {
-            return $node;
-        }
-
-        $class = get_class($node);
-
-        return new $class(
-            $this->getEscaperFilter($type, $expression),
-            $node->getLine()
-        );
-    }
-
-    protected function preEscapeFilterNode(Twig_Node_Expression_Filter $filter, Twig_Environment $env)
-    {
-        $name = $filter->getNode('filter')->getAttribute('value');
-
-        $type = $env->getFilter($name)->getPreEscape();
-        if (null === $type) {
-            return $filter;
-        }
-
-        $node = $filter->getNode('node');
-        if ($this->isSafeFor($type, $node, $env)) {
-            return $filter;
-        }
-
-        $filter->setNode('node', $this->getEscaperFilter($type, $node));
-
-        return $filter;
-    }
-
-    protected function isSafeFor($type, Twig_NodeInterface $expression, $env)
-    {
-        $safe = $this->safeAnalysis->getSafe($expression);
-
-        if (null === $safe) {
-            if (null === $this->traverser) {
-                $this->traverser = new Twig_NodeTraverser($env, array($this->safeAnalysis));
-            }
-
-            $this->safeAnalysis->setSafeVars($this->safeVars);
-
-            $this->traverser->traverse($expression);
-            $safe = $this->safeAnalysis->getSafe($expression);
-        }
-
-        return in_array($type, $safe) || in_array('all', $safe);
-    }
-
-    protected function needEscaping(Twig_Environment $env)
-    {
-        if (count($this->statusStack)) {
-            return $this->statusStack[count($this->statusStack) - 1];
-        }
-
-        return $this->defaultStrategy ? $this->defaultStrategy : false;
-    }
-
-    protected function getEscaperFilter($type, Twig_NodeInterface $node)
-    {
-        $line = $node->getLine();
-        $name = new Twig_Node_Expression_Constant('escape', $line);
-        $args = new Twig_Node(array(new Twig_Node_Expression_Constant((string) $type, $line), new Twig_Node_Expression_Constant(null, $line), new Twig_Node_Expression_Constant(true, $line)));
-
-        return new Twig_Node_Expression_Filter($node, $name, $args, $line);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getPriority()
-    {
-        return 0;
-    }
-}
-- 
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