scratch – Blame information for rev 87
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87 | office | 1 | <?php |
2 | |||
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 | |||
12 | namespace Symfony\Component\CssSelector\Parser\Shortcut; |
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13 | |||
14 | use Symfony\Component\CssSelector\Node\ElementNode; |
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15 | use Symfony\Component\CssSelector\Node\SelectorNode; |
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16 | use Symfony\Component\CssSelector\Parser\ParserInterface; |
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17 | |||
18 | /** |
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19 | * CSS selector class parser shortcut. |
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20 | * |
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21 | * This shortcut ensure compatibility with previous version. |
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22 | * - The parser fails to parse an empty string. |
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23 | * - In the previous version, an empty string matches each tags. |
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24 | * |
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25 | * This component is a port of the Python cssselect library, |
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26 | * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
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27 | * |
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28 | * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
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29 | * |
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30 | * @internal |
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31 | */ |
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32 | class EmptyStringParser implements ParserInterface |
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33 | { |
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34 | /** |
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35 | * {@inheritdoc} |
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36 | */ |
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37 | public function parse($source) |
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38 | { |
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39 | // Matches an empty string |
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40 | if ($source == '') { |
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41 | return array(new SelectorNode(new ElementNode(null, '*'))); |
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42 | } |
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43 | |||
44 | return array(); |
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45 | } |
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46 | } |