Файл: upload/core/vendor/twig/twig/src/ExpressionParser/Infix/SquareBracketExpressionParser.php
Строк: 119
<?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 TwigExpressionParserInfix;
use TwigExpressionParserAbstractExpressionParser;
use TwigExpressionParserExpressionParserDescriptionInterface;
use TwigExpressionParserInfixAssociativity;
use TwigExpressionParserInfixExpressionParserInterface;
use TwigNodeExpressionAbstractExpression;
use TwigNodeExpressionArrayExpression;
use TwigNodeExpressionConstantExpression;
use TwigNodeExpressionGetAttrExpression;
use TwigNodeNodes;
use TwigParser;
use TwigTemplate;
use TwigToken;
/**
* @internal
*/
final class SquareBracketExpressionParser extends AbstractExpressionParser implements InfixExpressionParserInterface, ExpressionParserDescriptionInterface
{
public function parse(Parser $parser, AbstractExpression $expr, Token $token): AbstractExpression
{
$stream = $parser->getStream();
$lineno = $token->getLine();
$arguments = new ArrayExpression([], $lineno);
// slice?
$slice = false;
if ($stream->test(Token::PUNCTUATION_TYPE, ':')) {
$slice = true;
$attribute = new ConstantExpression(0, $token->getLine());
} else {
$attribute = $parser->parseExpression();
}
if ($stream->nextIf(Token::PUNCTUATION_TYPE, ':')) {
$slice = true;
}
if ($slice) {
if ($stream->test(Token::PUNCTUATION_TYPE, ']')) {
$length = new ConstantExpression(null, $token->getLine());
} else {
$length = $parser->parseExpression();
}
$filter = $parser->getFilter('slice', $token->getLine());
$arguments = new Nodes([$attribute, $length]);
$filter = new ($filter->getNodeClass())($expr, $filter, $arguments, $token->getLine());
$stream->expect(Token::PUNCTUATION_TYPE, ']');
return $filter;
}
$stream->expect(Token::PUNCTUATION_TYPE, ']');
return new GetAttrExpression($expr, $attribute, $arguments, Template::ARRAY_CALL, $lineno);
}
public function getName(): string
{
return '[';
}
public function getDescription(): string
{
return 'Array access';
}
public function getPrecedence(): int
{
return 512;
}
public function getAssociativity(): InfixAssociativity
{
return InfixAssociativity::Left;
}
}