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; |
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13 | |||
14 | use Symfony\Component\CssSelector\Parser\Shortcut\ClassParser; |
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15 | use Symfony\Component\CssSelector\Parser\Shortcut\ElementParser; |
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16 | use Symfony\Component\CssSelector\Parser\Shortcut\EmptyStringParser; |
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17 | use Symfony\Component\CssSelector\Parser\Shortcut\HashParser; |
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18 | use Symfony\Component\CssSelector\XPath\Extension\HtmlExtension; |
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19 | use Symfony\Component\CssSelector\XPath\Translator; |
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20 | |||
21 | /** |
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22 | * CssSelectorConverter is the main entry point of the component and can convert CSS |
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23 | * selectors to XPath expressions. |
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24 | * |
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25 | * @author Christophe Coevoet <stof@notk.org> |
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26 | */ |
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27 | class CssSelectorConverter |
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28 | { |
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29 | private $translator; |
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30 | |||
31 | /** |
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32 | * @param bool $html Whether HTML support should be enabled. Disable it for XML documents |
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33 | */ |
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34 | public function __construct($html = true) |
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35 | { |
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36 | $this->translator = new Translator(); |
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37 | |||
38 | if ($html) { |
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39 | $this->translator->registerExtension(new HtmlExtension($this->translator)); |
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40 | } |
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41 | |||
42 | $this->translator |
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43 | ->registerParserShortcut(new EmptyStringParser()) |
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44 | ->registerParserShortcut(new ElementParser()) |
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45 | ->registerParserShortcut(new ClassParser()) |
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46 | ->registerParserShortcut(new HashParser()) |
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47 | ; |
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48 | } |
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49 | |||
50 | /** |
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51 | * Translates a CSS expression to its XPath equivalent. |
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52 | * |
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53 | * Optionally, a prefix can be added to the resulting XPath |
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54 | * expression with the $prefix parameter. |
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55 | * |
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56 | * @param string $cssExpr The CSS expression |
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57 | * @param string $prefix An optional prefix for the XPath expression |
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58 | * |
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59 | * @return string |
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60 | */ |
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61 | public function toXPath($cssExpr, $prefix = 'descendant-or-self::') |
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62 | { |
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63 | return $this->translator->cssToXPath($cssExpr, $prefix); |
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64 | } |
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65 | } |