<?php
/*
* This file is part of Twig.
*
* (c) 2010 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Imports macros.
*
* <pre>
* {% from 'forms.html' import forms %}
* </pre>
*/
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('function', $alias, 'get' . $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';
}
}
Name | Description |
---|---|
Twig_TokenParser_From | Imports macros. |