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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\CssSelector\Parser\Handler;
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13
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14 use Symfony\Component\CssSelector\Parser\Reader;
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15 use Symfony\Component\CssSelector\Parser\Token;
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16 use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
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17 use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
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18 use Symfony\Component\CssSelector\Parser\TokenStream;
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19
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20 /**
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21 * CSS selector comment handler.
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22 *
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23 * This component is a port of the Python cssselect library,
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24 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
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25 *
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26 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
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27 *
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28 * @internal
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29 */
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30 class HashHandler implements HandlerInterface
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31 {
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32 private $patterns;
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33 private $escaping;
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34
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35 public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
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36 {
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37 $this->patterns = $patterns;
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38 $this->escaping = $escaping;
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39 }
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40
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41 /**
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42 * {@inheritdoc}
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43 */
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44 public function handle(Reader $reader, TokenStream $stream)
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45 {
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46 $match = $reader->findPattern($this->patterns->getHashPattern());
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47
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48 if (!$match) {
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49 return false;
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50 }
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51
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52 $value = $this->escaping->escapeUnicode($match[1]);
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53 $stream->push(new Token(Token::TYPE_HASH, $value, $reader->getPosition()));
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54 $reader->moveForward(\strlen($match[0]));
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55
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56 return true;
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57 }
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58 }
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