diff -r 6d109e3804ac -r 9a001a04b634 Twig-1.3.0/lib/Twig/TokenParser/For.php --- /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 @@ + + * + * + */ +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'; + } +}