leilukin-tumbleblog/includes/lib/Twig/TokenParser/MacroTokenParser.php

67 lines
1.8 KiB
PHP

<?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\Error\SyntaxError;
use Twig\Node\BodyNode;
use Twig\Node\MacroNode;
use Twig\Node\Node;
use Twig\Token;
/**
* Defines a macro.
*
* {% macro input(name, value, type, size) %}
* <input type="{{ type|default('text') }}" name="{{ name }}" value="{{ value|e }}" size="{{ size|default(20) }}" />
* {% endmacro %}
*
* @internal
*/
final class MacroTokenParser extends AbstractTokenParser
{
public function parse(Token $token): Node
{
$lineno = $token->getLine();
$stream = $this->parser->getStream();
$name = $stream->expect(/* Token::NAME_TYPE */ 5)->getValue();
$arguments = $this->parser->getExpressionParser()->parseArguments(true, true);
$stream->expect(/* Token::BLOCK_END_TYPE */ 3);
$this->parser->pushLocalScope();
$body = $this->parser->subparse([$this, 'decideBlockEnd'], true);
if ($token = $stream->nextIf(/* Token::NAME_TYPE */ 5)) {
$value = $token->getValue();
if ($value != $name) {
throw new SyntaxError(sprintf('Expected endmacro for macro "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext());
}
}
$this->parser->popLocalScope();
$stream->expect(/* Token::BLOCK_END_TYPE */ 3);
$this->parser->setMacro($name, new MacroNode($name, new BodyNode([$body]), $arguments, $lineno, $this->getTag()));
return new Node();
}
public function decideBlockEnd(Token $token): bool
{
return $token->test('endmacro');
}
public function getTag(): string
{
return 'macro';
}
}