--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Twig-1.3.0/lib/Twig/TokenParser/For.php Tue Oct 25 23:56:28 2011 +0200
@@ -0,0 +1,89 @@
+<?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 Twig_TokenParser_For 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();
+ $targets = $this->parser->getExpressionParser()->parseAssignmentExpression();
+ $this->parser->getStream()->expect(Twig_Token::OPERATOR_TYPE, 'in');
+ $seq = $this->parser->getExpressionParser()->parseExpression();
+
+ $ifexpr = null;
+ if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE, 'if')) {
+ $this->parser->getStream()->next();
+ $ifexpr = $this->parser->getExpressionParser()->parseExpression();
+ }
+
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $body = $this->parser->subparse(array($this, 'decideForFork'));
+ if ($this->parser->getStream()->next()->getValue() == 'else') {
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+ $else = $this->parser->subparse(array($this, 'decideForEnd'), true);
+ } else {
+ $else = null;
+ }
+ $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
+
+ if (count($targets) > 1) {
+ $keyTarget = $targets->getNode(0);
+ $keyTarget = new Twig_Node_Expression_AssignName($keyTarget->getAttribute('name'), $keyTarget->getLine());
+ $valueTarget = $targets->getNode(1);
+ $valueTarget = new Twig_Node_Expression_AssignName($valueTarget->getAttribute('name'), $valueTarget->getLine());
+ } else {
+ $keyTarget = new Twig_Node_Expression_AssignName('_key', $lineno);
+ $valueTarget = $targets->getNode(0);
+ $valueTarget = new Twig_Node_Expression_AssignName($valueTarget->getAttribute('name'), $valueTarget->getLine());
+ }
+
+ return new Twig_Node_For($keyTarget, $valueTarget, $seq, $ifexpr, $body, $else, $lineno, $this->getTag());
+ }
+
+ public function decideForFork(Twig_Token $token)
+ {
+ return $token->test(array('else', 'endfor'));
+ }
+
+ public function decideForEnd(Twig_Token $token)
+ {
+ return $token->test('endfor');
+ }
+
+ /**
+ * Gets the tag name associated with this token parser.
+ *
+ * @param string The tag name
+ */
+ public function getTag()
+ {
+ return 'for';
+ }
+}