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<?php |
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/* |
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* This file is part of the league/commonmark package. |
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* |
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* (c) Colin O'Dell <[email protected]> |
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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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namespace League\CommonMark\Extension\HeadingPermalink\SlugGenerator; |
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use League\CommonMark\Inline\Element\Code; |
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use League\CommonMark\Inline\Element\Text; |
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use League\CommonMark\Node\Node; |
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/** |
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* Creates URL-friendly strings based on the inner contents of a node and its descendants |
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*/ |
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final class DefaultSlugGenerator implements SlugGeneratorInterface |
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{ |
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public function generateSlug(Node $node): string |
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{ |
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$childText = $this->getChildText($node); |
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return self::slugifyText($childText); |
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} |
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/** |
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* @internal This method is only public to facilitate internal testing. DO NOT RELY ON ITS EXISTENCE OR BEHAVIOR! |
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*/ |
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public static function slugifyText(string $text): string |
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{ |
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// Trim whitespace |
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$slug = \trim($text); |
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// Convert to lowercase |
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$slug = \mb_strtolower($slug); |
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// Try replacing whitespace with a dash |
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$slug = \preg_replace('/\s+/u', '-', $slug) ?? $slug; |
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// Try removing characters other than letters, numbers, and marks. |
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$slug = \preg_replace('/[^\p{L}\p{Nd}\p{Nl}\p{M}-]+/u', '', $slug) ?? $slug; |
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return $slug; |
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} |
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/** |
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* @deprecated Use StringContainerHelper::getChildText() in 2.0 |
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*/ |
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private function getChildText(Node $node): string |
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{ |
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$text = ''; |
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$walker = $node->walker(); |
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while ($event = $walker->next()) { |
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if ($event->isEntering() && (($child = $event->getNode()) instanceof Text || $child instanceof Code)) { |
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$text .= $child->getContent(); |
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} |
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} |
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return $text; |
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} |
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} |
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thephpleague /
commonmark
This method has been deprecated. The supplier of the class has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the method will be removed from the class and what other method or class to use instead.