* {% from 'forms.html' import forms %} * */ class Twig_TokenParser_From 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) { $macro = $this->parser->getExpressionParser()->parseExpression(); $stream = $this->parser->getStream(); $stream->expect('import'); $targets = array(); do { $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); $alias = $name; if ($stream->test('as')) { $stream->next(); $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); } $targets[$name] = $alias; if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) { break; } $stream->next(); } while (true); $stream->expect(Twig_Token::BLOCK_END_TYPE); $node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag()); foreach ($targets as $name => $alias) { $this->parser->addImportedSymbol('macro', $alias, $name, $node->getNode('var')); } return $node; } /** * Gets the tag name associated with this token parser. * * @return string The tag name */ public function getTag() { return 'from'; } }