From 874b8cbf002e9d8bf0ff39671e1501165016320a Mon Sep 17 00:00:00 2001 From: Michael Save Date: Mon, 9 Apr 2012 20:52:26 +1000 Subject: inc/contrib -> inc/lib --- inc/lib/Twig/TokenParser/For.php | 86 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 inc/lib/Twig/TokenParser/For.php (limited to 'inc/lib/Twig/TokenParser/For.php') diff --git a/inc/lib/Twig/TokenParser/For.php b/inc/lib/Twig/TokenParser/For.php new file mode 100644 index 00000000..5ce82979 --- /dev/null +++ b/inc/lib/Twig/TokenParser/For.php @@ -0,0 +1,86 @@ + + * + * + */ +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); + $valueTarget = $targets->getNode(1); + } else { + $keyTarget = new Twig_Node_Expression_AssignName('_key', $lineno); + $valueTarget = $targets->getNode(0); + } + + return new Twig_Node_For($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'; + } +} -- cgit v1.3