diff -r 6d109e3804ac -r 9a001a04b634 Twig-1.3.0/lib/Twig/TokenParser/AutoEscape.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Twig-1.3.0/lib/Twig/TokenParser/AutoEscape.php	Tue Oct 25 23:56:28 2011 +0200
@@ -0,0 +1,77 @@
+<?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.
+ */
+
+/**
+ * Marks a section of a template to be escaped or not.
+ *
+ * <pre>
+ * {% autoescape true %}
+ *   Everything will be automatically escaped in this block
+ * {% endautoescape %}
+ *
+ * {% autoescape false %}
+ *   Everything will be outputed as is in this block
+ * {% endautoescape %}
+ *
+ * {% autoescape true js %}
+ *   Everything will be automatically escaped in this block
+ *   using the js escaping strategy
+ * {% endautoescape %}
+ * </pre>
+ */
+class Twig_TokenParser_AutoEscape extends Twig_TokenParser
+{
+    /**
+     * Parses a token and returns a node.
+     *
+     * @param Twig_Token $token A Twig_Token instance
+     *
+     * @return Twig_NodeInterface A Twig_NodeInterface instance
+     */
+    public function parse(Twig_Token $token)
+    {
+        $lineno = $token->getLine();
+        $value = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue();
+        if (!in_array($value, array('true', 'false'))) {
+            throw new Twig_Error_Syntax("Autoescape value must be 'true' or 'false'", $lineno);
+        }
+        $value = 'true' === $value ? 'html' : false;
+
+        if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE)) {
+            if (false === $value) {
+                throw new Twig_Error_Syntax('Unexpected escaping strategy as you set autoescaping to false.', $lineno);
+            }
+
+            $value = $this->parser->getStream()->next()->getValue();
+        }
+
+        $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+        $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+        $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+        return new Twig_Node_AutoEscape($value, $body, $lineno, $this->getTag());
+    }
+
+    public function decideBlockEnd(Twig_Token $token)
+    {
+        return $token->test('endautoescape');
+    }
+
+    /**
+     * Gets the tag name associated with this token parser.
+     *
+     * @param string The tag name
+     */
+    public function getTag()
+    {
+        return 'autoescape';
+    }
+}