scratch – Blame information for rev 87
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Rev | Author | Line No. | Line |
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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\XPath\Extension; |
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13 | |||
14 | use Symfony\Component\CssSelector\XPath\XPathExpr; |
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15 | |||
16 | /** |
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17 | * XPath expression translator combination extension. |
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18 | * |
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19 | * This component is a port of the Python cssselect library, |
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20 | * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
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21 | * |
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22 | * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
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23 | * |
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24 | * @internal |
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25 | */ |
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26 | class CombinationExtension extends AbstractExtension |
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27 | { |
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28 | /** |
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29 | * {@inheritdoc} |
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30 | */ |
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31 | public function getCombinationTranslators() |
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32 | { |
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33 | return array( |
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34 | ' ' => array($this, 'translateDescendant'), |
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35 | '>' => array($this, 'translateChild'), |
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36 | '+' => array($this, 'translateDirectAdjacent'), |
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37 | '~' => array($this, 'translateIndirectAdjacent'), |
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38 | ); |
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39 | } |
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40 | |||
41 | /** |
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42 | * @param XPathExpr $xpath |
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43 | * @param XPathExpr $combinedXpath |
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44 | * |
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45 | * @return XPathExpr |
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46 | */ |
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47 | public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath) |
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48 | { |
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49 | return $xpath->join('/descendant-or-self::*/', $combinedXpath); |
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50 | } |
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51 | |||
52 | /** |
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53 | * @param XPathExpr $xpath |
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54 | * @param XPathExpr $combinedXpath |
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55 | * |
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56 | * @return XPathExpr |
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57 | */ |
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58 | public function translateChild(XPathExpr $xpath, XPathExpr $combinedXpath) |
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59 | { |
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60 | return $xpath->join('/', $combinedXpath); |
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61 | } |
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62 | |||
63 | /** |
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64 | * @param XPathExpr $xpath |
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65 | * @param XPathExpr $combinedXpath |
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66 | * |
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67 | * @return XPathExpr |
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68 | */ |
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69 | public function translateDirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath) |
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70 | { |
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71 | return $xpath |
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72 | ->join('/following-sibling::', $combinedXpath) |
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73 | ->addNameTest() |
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74 | ->addCondition('position() = 1'); |
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75 | } |
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76 | |||
77 | /** |
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78 | * @param XPathExpr $xpath |
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79 | * @param XPathExpr $combinedXpath |
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80 | * |
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81 | * @return XPathExpr |
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82 | */ |
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83 | public function translateIndirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath) |
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84 | { |
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85 | return $xpath->join('/following-sibling::', $combinedXpath); |
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86 | } |
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87 | |||
88 | /** |
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89 | * {@inheritdoc} |
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90 | */ |
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91 | public function getName() |
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92 | { |
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93 | return 'combination'; |
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94 | } |
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95 | } |