<?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\TempNameExpression;
use Twig\Node\Node;
use Twig\Node\PrintNode;
use Twig\Node\SetNode;
use Twig\Token;
/**
* Applies filters on a section of a template.
*
* {% apply upper %}
* This text becomes uppercase
* {% endapply %}
*
* @internal
*/
final class ApplyTokenParser extends AbstractTokenParser
{
public function parse(Token $token): Node
{
$lineno = $token->getLine();
$name = $this->parser->getVarName();
$ref = new TempNameExpression($name, $lineno);
$ref->setAttribute('always_defined', true);
$filter = $this->parser->getExpressionParser()->parseFilterExpressionRaw($ref, $this->getTag());
$this->parser->getStream()->expect(Token::BLOCK_END_TYPE);
$body = $this->parser->subparse([$this, 'decideApplyEnd'], true);
$this->parser->getStream()->expect(Token::BLOCK_END_TYPE);
return new Node([
new SetNode(true, $ref, $body, $lineno, $this->getTag()),
new PrintNode($filter, $lineno, $this->getTag()),
]);
}
public function decideApplyEnd(Token $token): bool
{
return $token->test('endapply');
}
public function getTag(): string
{
return 'apply';
}
}