[feature/twig] PHP token support

PHPBB3-11598

phpBB/includes/template/twig/environment.php

@@ -39,6 +39,8 @@ class phpbb_template_twig_environment extends Twig_Environment
             return false;
         }
 
+		// @todo correct cache file name handling
+
     	return $this->getCache() . '/' . preg_replace('#[^a-zA-Z0-9_/]#', '_', $name) . '.php';
     }
 

phpBB/includes/template/twig/extension.php

@@ -31,6 +31,7 @@ class phpbb_template_twig_extension extends Twig_Extension
 			new phpbb_template_twig_tokenparser_include,
 			new phpbb_template_twig_tokenparser_includejs,
 			new phpbb_template_twig_tokenparser_event,
+			new phpbb_template_twig_tokenparser_php,
 		);
 	}
 

phpBB/includes/template/twig/node/php.php

@@ -0,0 +1,40 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+class phpbb_template_twig_node_php extends Twig_Node
+{
+	/** @var Twig_Environment */
+	protected $environment;
+
+    public function __construct(Twig_Node_Text $text, phpbb_template_twig_environment $environment, $lineno, $tag = null)
+    {
+    	$this->environment = $environment;
+
+        parent::__construct(array('text' => $text), array(), $lineno, $tag);
+    }
+
+    /**
+     * Compiles the node to PHP.
+     *
+     * @param Twig_Compiler A Twig_Compiler instance
+     */
+    public function compile(Twig_Compiler $compiler)
+    {
+        $compiler->addDebugInfo($this);
+
+		$config = $this->environment->get_phpbb_config();
+
+		if ($config['tpl_allow_php'])
+		{
+			$compiler
+				->raw($this->getNode('text')->getAttribute('data'))
+			;
+		}
+    }
+}

phpBB/includes/template/twig/tokenparser/php.php

@@ -0,0 +1,46 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+class phpbb_template_twig_tokenparser_php 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)
+    {
+        $stream = $this->parser->getStream();
+
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+		$body = $this->parser->subparse(array($this, 'decideEnd'), true);
+
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+        return new phpbb_template_twig_node_php($body, $this->parser->getEnvironment(), $token->getLine(), $this->getTag());
+    }
+
+    public function decideEnd(Twig_Token $token)
+    {
+        return $token->test('ENDPHP');
+    }
+
+    /**
+     * Gets the tag name associated with this token parser.
+     *
+     * @return string The tag name
+     */
+    public function getTag()
+    {
+        return 'PHP';
+    }
+}