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<?php |
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declare(strict_types = 1); |
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namespace SemVer\SemVer; |
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final class PreReleaseComparator |
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{ |
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/** |
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* @param Version $version1 |
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* @param Version $version2 |
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* |
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* @return int |
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*/ |
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public static function compare(Version $version1, Version $version2) : int |
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{ |
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$preRelease1 = $version1->getPreRelease(); |
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$preRelease2 = $version2->getPreRelease(); |
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$leftPreReleaseIsEmpty = '' === $preRelease1; |
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$rightPreReleaseIsEmpty = '' === $preRelease2; |
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if ($rightPreReleaseIsEmpty !== $leftPreReleaseIsEmpty) { |
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return $leftPreReleaseIsEmpty ? 1 : -1; |
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} |
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if ($leftPreReleaseIsEmpty) { |
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return 0; |
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} |
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return self::compareIdentifiers(explode('.', $preRelease1), explode('.', $preRelease2)); |
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} |
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/** |
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* @param array $preReleaseIdentifiers1 |
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* @param array $preReleaseIdentifiers2 |
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* |
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* @return int |
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*/ |
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private static function compareIdentifiers(array $preReleaseIdentifiers1, array $preReleaseIdentifiers2) : int |
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{ |
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View Code Duplication |
do { |
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$preReleasePart1 = array_shift($preReleaseIdentifiers1); |
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$preReleasePart2 = array_shift($preReleaseIdentifiers2); |
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if (null === $preReleasePart1) { |
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return -1; |
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} |
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if (null === $preReleasePart2) { |
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return 1; |
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} |
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$compare = self::compareIdentifier($preReleasePart1, $preReleasePart2); |
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} while (0 === $compare && (count($preReleaseIdentifiers1) || count($preReleaseIdentifiers2))); |
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return $compare; |
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} |
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/** |
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* @param string $preReleasePart1 |
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* @param string $preReleasePart2 |
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* |
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* @return int |
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*/ |
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private static function compareIdentifier(string $preReleasePart1, string $preReleasePart2) : int |
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{ |
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$mineIsInt = self::isInt($preReleasePart1); |
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$theirIsInt = self::isInt($preReleasePart2); |
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if ($mineIsInt !== $theirIsInt) { |
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return $mineIsInt ? -1 : 1; |
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} |
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if ($mineIsInt) { |
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return ((int)$preReleasePart1) <=> ((int)$preReleasePart2); |
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} |
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return $preReleasePart1 <=> $preReleasePart2; |
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} |
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/** |
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* @param string $identifier |
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* |
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* @return bool |
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*/ |
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private static function isInt(string $identifier) |
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{ |
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return ctype_digit($identifier) && strpos($identifier, '00') !== 0; |
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} |
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} |
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git-pull-request /
php-semver
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.