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Modified some paths to be more generic and not require rewrite.  Some
instances of phase names have been changed, others are still in process.

Twig/TokenParser/AutoEscape.php

@@ -0,0 +1,91 @@
+<?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();
+        $stream = $this->parser->getStream();
+
+        if ($stream->test(Twig_Token::BLOCK_END_TYPE)) {
+            $value = 'html';
+        } else {
+            $expr = $this->parser->getExpressionParser()->parseExpression();
+            if (!$expr instanceof Twig_Node_Expression_Constant) {
+                throw new Twig_Error_Syntax('An escaping strategy must be a string or a Boolean.', $stream->getCurrent()->getLine(), $stream->getFilename());
+            }
+            $value = $expr->getAttribute('value');
+
+            $compat = true === $value || false === $value;
+
+            if (true === $value) {
+                $value = 'html';
+            }
+
+            if ($compat && $stream->test(Twig_Token::NAME_TYPE)) {
+                @trigger_error('Using the autoescape tag with "true" or "false" before the strategy name is deprecated.', E_USER_DEPRECATED);
+
+                if (false === $value) {
+                    throw new Twig_Error_Syntax('Unexpected escaping strategy as you set autoescaping to false.', $stream->getCurrent()->getLine(), $stream->getFilename());
+                }
+
+                $value = $stream->next()->getValue();
+            }
+        }
+
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+        $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+        return new Twig_Node_AutoEscape($value, $body, $lineno, $this->getTag());
+    }
+
+    public function decideBlockEnd(Twig_Token $token)
+    {
+        return $token->test('endautoescape');
+    }
+
+    /**
+     * Gets the tag name associated with this token parser.
+     *
+     * @return string The tag name
+     */
+    public function getTag()
+    {
+        return 'autoescape';
+    }
+}