From b775f67128c1c851a2e3343b230d2861e5431528 Mon Sep 17 00:00:00 2001
From: Nathan Guse <nathaniel.guse@gmail.com>
Date: Mon, 10 Jun 2013 10:00:22 -0500
Subject: [PATCH] [feature/twig] More work on the lexer

Committing what I have now to save it as I'm trying another method next

PHPBB3-11598
---
 phpBB/includes/template/twig/extension.php    |  1 +
 phpBB/includes/template/twig/lexer.php        | 17 +++++++++++--
 .../template/twig/tokenparser/event.php       | 25 +++++++++++++++++++
 3 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/phpBB/includes/template/twig/extension.php b/phpBB/includes/template/twig/extension.php
index bf4b0e8c54..a607bac150 100644
--- a/phpBB/includes/template/twig/extension.php
+++ b/phpBB/includes/template/twig/extension.php
@@ -39,6 +39,7 @@ class phpbb_template_twig_extension extends Twig_Extension
 			array(),
 			array(
 				'eq' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Equal', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
+				//'and' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_And', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
 				'!==' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
 			),
 		);
diff --git a/phpBB/includes/template/twig/lexer.php b/phpBB/includes/template/twig/lexer.php
index f60c58249c..21d8fb770e 100644
--- a/phpBB/includes/template/twig/lexer.php
+++ b/phpBB/includes/template/twig/lexer.php
@@ -19,11 +19,12 @@ class phpbb_template_twig_lexer extends Twig_Lexer
 {
 	protected function lexExpression()
 	{
+    	var_dump(substr($this->code, $this->cursor, 40), $this->states);
 		parent::lexExpression();
 
 		// Last element parsed
 		$last_element = end($this->tokens);
-
+		
 		/**
 		* Check for old fashioned INCLUDE statements without enclosed quotes
 		*/
@@ -42,7 +43,7 @@ class phpbb_template_twig_lexer extends Twig_Lexer
 		*/
 		if ($last_element->getValue() === 'IF')
 		{
-	        if (preg_match('#^\s*\.([a-zA-Z0-9_\.]+)#', substr($this->code, $this->cursor), $match))
+	        if (preg_match('#^\s*(not\s)?\.([a-zA-Z0-9_\.]+)#', substr($this->code, $this->cursor), $match))
 	        {
 	            $this->pushToken(Twig_Token::STRING_TYPE, stripcslashes($match[1]));
 	            $this->moveCursor($match[0]);
@@ -61,5 +62,17 @@ class phpbb_template_twig_lexer extends Twig_Lexer
 	            $this->moveCursor($match[1]);
 	        }
 		}
+		
+		/**
+		* Check for old fashioned INCLUDE statements without enclosed quotes
+		*/
+		if ($last_element->getValue() === 'INCLUDE')
+		{
+	        if (preg_match('#^\s*([a-zA-Z0-9_]+\.[a-zA-Z0-9]+)#', substr($this->code, $this->cursor), $match))
+	        {
+	            $this->pushToken(Twig_Token::STRING_TYPE, stripcslashes($match[1]));
+	            $this->moveCursor($match[0]);
+	        }
+		}
 	}
 }
diff --git a/phpBB/includes/template/twig/tokenparser/event.php b/phpBB/includes/template/twig/tokenparser/event.php
index cd211098d6..27a8350af1 100644
--- a/phpBB/includes/template/twig/tokenparser/event.php
+++ b/phpBB/includes/template/twig/tokenparser/event.php
@@ -21,6 +21,31 @@
  */
 class phpbb_template_twig_tokenparser_event extends Twig_TokenParser_Include
 {
+    protected function parseArguments()
+    {
+        $stream = $this->parser->getStream();
+
+        $ignoreMissing = true;
+
+        $variables = null;
+        if ($stream->test(Twig_Token::NAME_TYPE, 'with')) {
+            $stream->next();
+
+            $variables = $this->parser->getExpressionParser()->parseExpression();
+        }
+
+        $only = false;
+        if ($stream->test(Twig_Token::NAME_TYPE, 'only')) {
+            $stream->next();
+
+            $only = true;
+        }
+
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+        return array($variables, $only, $ignoreMissing);
+    }
+
     /**
      * Gets the tag name associated with this token parser.
      *