first commit

ZeedFramework/library/Twig/NodeVisitor/VariableAnalyzer.php

@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2012 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Twig_NodeVisitor_VariableAnalyzer references all variables used in a template.
+ *
+ * @package twig
+ * @author  Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_NodeVisitor_VariableAnalyzer implements Twig_NodeVisitorInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
+    {
+        if ($node instanceof Twig_Node_Expression_Name) {
+            print $node->getAttribute('name')."\n";
+        }
+
+        return $node;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
+    {
+        return $node;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getPriority()
+    {
+        return 0;
+    }
+}