* * 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 * * @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; } }