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<?php |
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|
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <fabien@symfony.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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namespace Symfony\Component\CssSelector\Parser\Shortcut; |
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|
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use Symfony\Component\CssSelector\Node\ElementNode; |
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use Symfony\Component\CssSelector\Node\SelectorNode; |
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use Symfony\Component\CssSelector\Parser\ParserInterface; |
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|
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/** |
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* CSS selector element parser shortcut. |
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* |
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* This component is a port of the Python cssselect library, |
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* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
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* |
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* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
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* |
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* @internal |
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*/ |
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class ElementParser implements ParserInterface |
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{ |
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public function parse(string $source): array |
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{ |
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// Matches an optional namespace, required element or `*` |
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// $source = 'testns|testel'; |
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// $matches = array (size=3) |
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// 0 => string 'testns|testel' (length=13) |
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// 1 => string 'testns' (length=6) |
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// 2 => string 'testel' (length=6) |
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if (preg_match('/^(?:([a-z]++)\|)?([\w-]++|\*)$/i', trim($source), $matches)) { |
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return [new SelectorNode(new ElementNode($matches[1] ?: null, $matches[2]))]; |
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} |
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|
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return []; |
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} |
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} |
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