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Diffstat (limited to 'symfony/css-selector/Parser/Handler/WhitespaceHandler.php')
-rw-r--r-- | symfony/css-selector/Parser/Handler/WhitespaceHandler.php | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/symfony/css-selector/Parser/Handler/WhitespaceHandler.php b/symfony/css-selector/Parser/Handler/WhitespaceHandler.php new file mode 100644 index 00000000..21345e32 --- /dev/null +++ b/symfony/css-selector/Parser/Handler/WhitespaceHandler.php @@ -0,0 +1,46 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\CssSelector\Parser\Handler; + +use Symfony\Component\CssSelector\Parser\Reader; +use Symfony\Component\CssSelector\Parser\Token; +use Symfony\Component\CssSelector\Parser\TokenStream; + +/** + * CSS selector whitespace handler. + * + * This component is a port of the Python cssselect library, + * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. + * + * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> + * + * @internal + */ +class WhitespaceHandler implements HandlerInterface +{ + /** + * {@inheritdoc} + */ + public function handle(Reader $reader, TokenStream $stream): bool + { + $match = $reader->findPattern('~^[ \t\r\n\f]+~'); + + if (false === $match) { + return false; + } + + $stream->push(new Token(Token::TYPE_WHITESPACE, $match[0], $reader->getPosition())); + $reader->moveForward(\strlen($match[0])); + + return true; + } +} |