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 element parser shortcut. |
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20 | * |
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21 | * This component is a port of the Python cssselect library, |
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22 | * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
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23 | * |
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24 | * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
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25 | * |
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26 | * @internal |
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27 | */ |
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28 | class ElementParser implements ParserInterface |
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29 | { |
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30 | /** |
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31 | * {@inheritdoc} |
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32 | */ |
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33 | public function parse($source) |
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34 | { |
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35 | // Matches an optional namespace, required element or `*` |
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36 | // $source = 'testns|testel'; |
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37 | // $matches = array (size=3) |
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38 | // 0 => string 'testns|testel' (length=13) |
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39 | // 1 => string 'testns' (length=6) |
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40 | // 2 => string 'testel' (length=6) |
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41 | if (preg_match('/^(?:([a-z]++)\|)?([\w-]++|\*)$/i', trim($source), $matches)) { |
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42 | return array(new SelectorNode(new ElementNode($matches[1] ?: null, $matches[2]))); |
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43 | } |
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44 | |||
45 | return array(); |
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46 | } |
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47 | } |