add Twig & refactor poche

inc/Twig/TokenParserInterface.php

@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Interface implemented by token parsers.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface Twig_TokenParserInterface
+{
+    /**
+     * Sets the parser associated with this token parser
+     *
+     * @param $parser A Twig_Parser instance
+     */
+    public function setParser(Twig_Parser $parser);
+
+    /**
+     * 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);
+
+    /**
+     * Gets the tag name associated with this token parser.
+     *
+     * @return string The tag name
+     */
+    public function getTag();
+}