[feature/twig] WIP extension/lexer/some tokenparsers/nodes

PHPBB3-11598

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

@@ -0,0 +1,71 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ * (c) 2009 Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Loops over each item of a sequence.
+ *
+ * <pre>
+ * <ul>
+ *  {% for user in users %}
+ *    <li>{{ user.username|e }}</li>
+ *  {% endfor %}
+ * </ul>
+ * </pre>
+ */
+class phpbb_template_twig_tokenparser_begin extends Twig_TokenParser_For
+{
+    /**
+     * 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();
+		$beginName = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue();
+
+		$this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+		$body = $this->parser->subparse(array($this, 'decideBeginFork'));
+		if ($this->parser->getStream()->next()->getValue() == 'ELSE') {
+			$this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+			$else = $this->parser->subparse(array($this, 'decideBeginEnd'), true);
+		} else {
+			$else = null;
+		}
+		$this->parser->getStream()->expect(Twig_Token::NAME_TYPE, $beginName);
+		$this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+		return new phpbb_template_twig_node_begin($beginName, $body, $else, $lineno, $this->getTag());
+	}
+
+    public function decideBeginFork(Twig_Token $token)
+    {
+        return $token->test(array('BEGINELSE', 'END'));
+    }
+
+    public function decideForEnd(Twig_Token $token)
+    {
+        return $token->test('END');
+    }
+
+    /**
+     * Gets the tag name associated with this token parser.
+     *
+     * @return string The tag name
+     */
+    public function getTag()
+    {
+        return 'BEGIN';
+    }
+}