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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\Extension\Mention; |
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use League\CommonMark\Environment\ConfigurableEnvironmentInterface; |
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use League\CommonMark\Exception\InvalidOptionException; |
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use League\CommonMark\Extension\ExtensionInterface; |
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use League\CommonMark\Extension\Mention\Generator\MentionGeneratorInterface; |
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final class MentionExtension implements ExtensionInterface |
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{ |
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public function register(ConfigurableEnvironmentInterface $environment): void |
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{ |
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$mentions = $environment->getConfig('mentions', []); |
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foreach ($mentions as $name => $mention) { |
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foreach (['prefix', 'regex', 'generator'] as $key) { |
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if (! \array_key_exists($key, $mention)) { |
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throw new InvalidOptionException(\sprintf('Required option "mentions/%s/%s" for the Mention extension is missing', $name, $key)); |
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} |
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} |
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if (! self::isAValidPartialRegex($mention['regex'])) { |
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throw InvalidOptionException::forConfigOption(\sprintf('mentions/%s/regex', $name), $mention['regex'], 'Invalid partial regex. Make sure to exclude starting/ending delimiters and flags.'); |
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} |
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if ($mention['generator'] instanceof MentionGeneratorInterface) { |
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$environment->addInlineParser(new MentionParser($mention['prefix'], $mention['regex'], $mention['generator'])); |
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} elseif (\is_string($mention['generator'])) { |
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$environment->addInlineParser(MentionParser::createWithStringTemplate($mention['prefix'], $mention['regex'], $mention['generator'])); |
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} elseif (\is_callable($mention['generator'])) { |
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$environment->addInlineParser(MentionParser::createWithCallback($mention['prefix'], $mention['regex'], $mention['generator'])); |
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} else { |
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throw new InvalidOptionException(\sprintf('The "generator" provided for the "%s" MentionParser configuration must be a string template, callable, or an object that implements %s.', $name, MentionGeneratorInterface::class)); |
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} |
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} |
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} |
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private static function isAValidPartialRegex(string $regex): bool |
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{ |
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$regex = '/' . $regex . '/i'; |
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return @\preg_match($regex, '') !== false; |
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} |
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} |
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thephpleague /
commonmark
