56 lines
1.6 KiB
PHP
56 lines
1.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\CssSelector\Parser\Handler;
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use Symfony\Component\CssSelector\Parser\Reader;
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use Symfony\Component\CssSelector\Parser\Token;
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use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
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use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
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use Symfony\Component\CssSelector\Parser\TokenStream;
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/**
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* CSS selector comment handler.
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*
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* This component is a port of the Python cssselect library,
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* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
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*
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* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
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*
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* @internal
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*/
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class HashHandler implements HandlerInterface
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{
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private TokenizerPatterns $patterns;
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private TokenizerEscaping $escaping;
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public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
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{
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$this->patterns = $patterns;
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$this->escaping = $escaping;
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}
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public function handle(Reader $reader, TokenStream $stream): bool
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{
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$match = $reader->findPattern($this->patterns->getHashPattern());
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if (!$match) {
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return false;
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}
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$value = $this->escaping->escapeUnicode($match[1]);
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$stream->push(new Token(Token::TYPE_HASH, $value, $reader->getPosition()));
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$reader->moveForward(\strlen($match[0]));
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return true;
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}
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}
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