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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\Mention; |
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use League\CommonMark\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 $environment) |
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{ |
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$mentions = $environment->getConfig('mentions', []); |
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foreach ($mentions as $name => $mention) { |
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if (\array_key_exists('symbol', $mention)) { |
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@\trigger_error('The "mentions/*/symbol" configuration option is deprecated in league/commonmark 1.6; rename "symbol" to "prefix" for compatibility with 2.0', \E_USER_DEPRECATED); |
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$mention['prefix'] = $mention['symbol']; |
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} |
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if (\array_key_exists('pattern', $mention)) { |
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// v2.0 does not allow full regex patterns passeed into the configuration |
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if (!self::isAValidPartialRegex($mention['pattern'])) { |
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throw new InvalidOptionException(\sprintf('Option "mentions/%s/pattern" must not include starting/ending delimiters (like "/")', $name)); |
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} |
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$mention['pattern'] = '/' . $mention['pattern'] . '/i'; |
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} elseif (\array_key_exists('regex', $mention)) { |
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@\trigger_error('The "mentions/*/regex" configuration option is deprecated in league/commonmark 1.6; rename "regex" to "pattern" for compatibility with 2.0', \E_USER_DEPRECATED); |
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$mention['pattern'] = $mention['regex']; |
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} |
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foreach (['prefix', 'pattern', 'generator'] as $key) { |
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if (empty($mention[$key])) { |
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throw new \RuntimeException("Missing \"$key\" from MentionParser configuration"); |
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} |
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} |
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if ($mention['generator'] instanceof MentionGeneratorInterface) { |
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$environment->addInlineParser(new MentionParser($mention['prefix'], $mention['pattern'], $mention['generator'])); |
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} elseif (is_string($mention['generator'])) { |
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$environment->addInlineParser(MentionParser::createWithStringTemplate($mention['prefix'], $mention['pattern'], $mention['generator'])); |
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} elseif (is_callable($mention['generator'])) { |
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$environment->addInlineParser(MentionParser::createWithCallback($mention['prefix'], $mention['pattern'], $mention['generator'])); |
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} else { |
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throw new \RuntimeException(sprintf('The "generator" provided for the MentionParser configuration must be a string template, callable, or an object that implements %s.', 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
