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74 lines
1.8 KiB
74 lines
1.8 KiB
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2010 Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Imports macros.
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*
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* <pre>
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* {% from 'forms.html' import forms %}
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* </pre>
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*/
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class Twig_TokenParser_From extends Twig_TokenParser
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{
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/**
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* Parses a token and returns a node.
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*
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* @param Twig_Token $token A Twig_Token instance
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*
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* @return Twig_NodeInterface A Twig_NodeInterface instance
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*/
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public function parse(Twig_Token $token)
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{
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$macro = $this->parser->getExpressionParser()->parseExpression();
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$stream = $this->parser->getStream();
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$stream->expect('import');
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$targets = array();
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do {
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$name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
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$alias = $name;
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if ($stream->test('as')) {
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$stream->next();
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$alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
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}
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$targets[$name] = $alias;
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if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
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break;
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}
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$stream->next();
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} while (true);
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$stream->expect(Twig_Token::BLOCK_END_TYPE);
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$node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag());
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foreach ($targets as $name => $alias) {
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$this->parser->addImportedSymbol('macro', $alias, $name, $node->getNode('var'));
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}
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return $node;
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}
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/**
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* Gets the tag name associated with this token parser.
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*
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* @return string The tag name
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*/
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public function getTag()
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{
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return 'from';
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}
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}
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