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<?php |
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declare(strict_types=1); |
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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\Normalizer; |
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use League\CommonMark\Configuration\ConfigurationAwareInterface; |
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use League\CommonMark\Configuration\ConfigurationInterface; |
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/** |
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* Creates URL-friendly strings based on the given string input |
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*/ |
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final class SlugNormalizer implements TextNormalizerInterface, ConfigurationAwareInterface |
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{ |
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/** |
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* @var int |
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* |
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* @psalm-allow-private-mutation |
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*/ |
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private $defaultMaxLength = 255; |
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3054 |
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public function setConfiguration(ConfigurationInterface $configuration): void |
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{ |
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3054 |
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$this->defaultMaxLength = $configuration->get('slug_normalizer/max_length'); |
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3054 |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @psalm-immutable |
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*/ |
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public function normalize(string $text, array $context = []): string |
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{ |
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// Add any requested prefix |
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$slug = ($context['prefix'] ?? '') . $text; |
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// Trim whitespace |
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222 |
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$slug = \trim($slug); |
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// Convert to lowercase |
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222 |
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$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) ?? $slug; |
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// Trim to requested length if given |
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if ($length = $context['length'] ?? $this->defaultMaxLength) { |
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$slug = \mb_substr($slug, 0, $length); |
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} |
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return $slug; |
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} |
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} |
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thephpleague /
commonmark
