From 874b8cbf002e9d8bf0ff39671e1501165016320a Mon Sep 17 00:00:00 2001
From: Michael Save <savetheinternet@tinyboard.org>
Date: Mon, 9 Apr 2012 20:52:26 +1000
Subject: inc/contrib -> inc/lib

---
 inc/contrib/Twig/NodeVisitor/SafeAnalysis.php | 107 --------------------------
 1 file changed, 107 deletions(-)
 delete mode 100644 inc/contrib/Twig/NodeVisitor/SafeAnalysis.php

(limited to 'inc/contrib/Twig/NodeVisitor/SafeAnalysis.php')

diff --git a/inc/contrib/Twig/NodeVisitor/SafeAnalysis.php b/inc/contrib/Twig/NodeVisitor/SafeAnalysis.php
deleted file mode 100644
index 5961ba29..00000000
--- a/inc/contrib/Twig/NodeVisitor/SafeAnalysis.php
+++ /dev/null
@@ -1,107 +0,0 @@
-<?php
-
-class Twig_NodeVisitor_SafeAnalysis implements Twig_NodeVisitorInterface
-{
-    protected $data = array();
-
-    public function getSafe(Twig_NodeInterface $node)
-    {
-        $hash = spl_object_hash($node);
-        if (isset($this->data[$hash])) {
-            foreach($this->data[$hash] as $bucket) {
-                if ($bucket['key'] === $node) {
-                    return $bucket['value'];
-                }
-            }
-        }
-        return null;
-    }
-
-    protected function setSafe(Twig_NodeInterface $node, array $safe)
-    {
-        $hash = spl_object_hash($node);
-        if (isset($this->data[$hash])) {
-            foreach($this->data[$hash] as &$bucket) {
-                if ($bucket['key'] === $node) {
-                    $bucket['value'] = $safe;
-                    return;
-                }
-            }
-        }
-        $this->data[$hash][] = array(
-            'key' => $node,
-            'value' => $safe,
-        );
-    }
-
-    public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        return $node;
-    }
-
-    public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Expression_Constant) {
-            // constants are marked safe for all
-            $this->setSafe($node, array('all'));
-        } elseif ($node instanceof Twig_Node_Expression_BlockReference) {
-            // blocks are safe by definition
-            $this->setSafe($node, array('all'));
-        } elseif ($node instanceof Twig_Node_Expression_Parent) {
-            // parent block is safe by definition
-            $this->setSafe($node, array('all'));
-        } elseif ($node instanceof Twig_Node_Expression_Conditional) {
-            // intersect safeness of both operands
-            $safe = $this->intersectSafe($this->getSafe($node->getNode('expr2')), $this->getSafe($node->getNode('expr3')));
-            $this->setSafe($node, $safe);
-        } elseif ($node instanceof Twig_Node_Expression_Filter) {
-            // filter expression is safe when the filter is safe
-            $name = $node->getNode('filter')->getAttribute('value');
-            $args = $node->getNode('arguments');
-            if (false !== $filter = $env->getFilter($name)) {
-                $this->setSafe($node, $filter->getSafe($args));
-            } else {
-                $this->setSafe($node, array());
-            }
-        } elseif ($node instanceof Twig_Node_Expression_Function) {
-            // function expression is safe when the function is safe
-            $name = $node->getAttribute('name');
-            $args = $node->getNode('arguments');
-            $function = $env->getFunction($name);
-            if (false !== $function) {
-                $this->setSafe($node, $function->getSafe($args));
-            } else {
-                $this->setSafe($node, array());
-            }
-        } else {
-            $this->setSafe($node, array());
-        }
-
-        return $node;
-    }
-
-    protected function intersectSafe(array $a = null, array $b = null)
-    {
-        if (null === $a || null === $b) {
-            return array();
-        }
-
-        if (in_array('all', $a)) {
-            return $b;
-        }
-
-        if (in_array('all', $b)) {
-            return $a;
-        }
-
-        return array_intersect($a, $b);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getPriority()
-    {
-        return 0;
-    }
-}
-- 
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