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annotate vendor/symfony/css-selector/Parser/Handler/WhitespaceHandler.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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rev | line source |
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Chris@0 | 1 <?php |
Chris@0 | 2 |
Chris@0 | 3 /* |
Chris@0 | 4 * This file is part of the Symfony package. |
Chris@0 | 5 * |
Chris@0 | 6 * (c) Fabien Potencier <fabien@symfony.com> |
Chris@0 | 7 * |
Chris@0 | 8 * For the full copyright and license information, please view the LICENSE |
Chris@0 | 9 * file that was distributed with this source code. |
Chris@0 | 10 */ |
Chris@0 | 11 |
Chris@0 | 12 namespace Symfony\Component\CssSelector\Parser\Handler; |
Chris@0 | 13 |
Chris@0 | 14 use Symfony\Component\CssSelector\Parser\Reader; |
Chris@0 | 15 use Symfony\Component\CssSelector\Parser\Token; |
Chris@0 | 16 use Symfony\Component\CssSelector\Parser\TokenStream; |
Chris@0 | 17 |
Chris@0 | 18 /** |
Chris@0 | 19 * CSS selector whitespace handler. |
Chris@0 | 20 * |
Chris@0 | 21 * This component is a port of the Python cssselect library, |
Chris@0 | 22 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
Chris@0 | 23 * |
Chris@0 | 24 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
Chris@0 | 25 * |
Chris@0 | 26 * @internal |
Chris@0 | 27 */ |
Chris@0 | 28 class WhitespaceHandler implements HandlerInterface |
Chris@0 | 29 { |
Chris@0 | 30 /** |
Chris@0 | 31 * {@inheritdoc} |
Chris@0 | 32 */ |
Chris@0 | 33 public function handle(Reader $reader, TokenStream $stream) |
Chris@0 | 34 { |
Chris@0 | 35 $match = $reader->findPattern('~^[ \t\r\n\f]+~'); |
Chris@0 | 36 |
Chris@0 | 37 if (false === $match) { |
Chris@0 | 38 return false; |
Chris@0 | 39 } |
Chris@0 | 40 |
Chris@0 | 41 $stream->push(new Token(Token::TYPE_WHITESPACE, $match[0], $reader->getPosition())); |
Chris@17 | 42 $reader->moveForward(\strlen($match[0])); |
Chris@0 | 43 |
Chris@0 | 44 return true; |
Chris@0 | 45 } |
Chris@0 | 46 } |