<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\TokenParser;
use Twig\Node\Expression\AssignNameExpression;
use Twig\Node\ImportNode;
use Twig\Node\Node;
use Twig\Token;
/**
* Imports macros.
*
* {% from 'forms.html' import forms %}
*
* @internal
*/
final class FromTokenParser extends AbstractTokenParser
{
public function parse(Token $token): Node
{
$macro = $this->parser->getExpressionParser()->parseExpression();
$stream = $this->parser->getStream();
$stream->expect(/* Token::NAME_TYPE */ 5, 'import');
$targets = [];
do {
$name = $stream->expect(/* Token::NAME_TYPE */ 5)->getValue();
$alias = $name;
if ($stream->nextIf('as')) {
$alias = $stream->expect(/* Token::NAME_TYPE */ 5)->getValue();
}
$targets[$name] = $alias;
if (!$stream->nextIf(/* Token::PUNCTUATION_TYPE */ 9, ',')) {
break;
}
} while (true);
$stream->expect(/* Token::BLOCK_END_TYPE */ 3);
$var = new AssignNameExpression($this->parser->getVarName(), $token->getLine());
$node = new ImportNode($macro, $var, $token->getLine(), $this->getTag(), $this->parser->isMainScope());
foreach ($targets as $name => $alias) {
$this->parser->addImportedSymbol('function', $alias, 'macro_'.$name, $var);
}
return $node;
}
public function getTag(): string
{
return 'from';
}
}