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<?php |
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declare(strict_types=1); |
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5
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namespace Version\Extension; |
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use Version\Assert\VersionAssert; |
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9
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class PreRelease extends BaseExtension |
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{ |
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60 |
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public static function empty(): PreRelease |
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{ |
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60 |
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static $noPreRelease = null; |
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if (null === $noPreRelease) { |
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$noPreRelease = new self(...[]); |
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} |
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60 |
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return $noPreRelease; |
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} |
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30 |
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protected function validate(string $identifier): void |
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{ |
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VersionAssert::that($identifier)->regex( |
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'/^[0-9A-Za-z\-]+$/', |
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'Pre-release version is not valid; identifiers must include only alphanumerics and hyphen' |
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); |
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} |
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public function compareTo(PreRelease $preRelease): int |
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{ |
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$preRelease1Ids = array_values($this->getIdentifiers()); |
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$preRelease2Ids = array_values($preRelease->getIdentifiers()); |
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$preRelease1IdsCount = count($preRelease1Ids); |
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$preRelease2IdsCount = count($preRelease2Ids); |
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$limit = min($preRelease1IdsCount, $preRelease2IdsCount); |
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for ($i = 0; $i < $limit; $i++) { |
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10 |
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if ($preRelease1Ids[$i] === $preRelease2Ids[$i]) { |
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continue; |
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} |
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return $this->compareIdentifiers($preRelease1Ids[$i], $preRelease2Ids[$i]); |
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} |
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14 |
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return $preRelease1IdsCount - $preRelease2IdsCount; |
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} |
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7 |
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private function compareIdentifiers($identifier1, $identifier2): int |
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{ |
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7 |
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$identifier1IsNumber = ctype_digit($identifier1); |
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7 |
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$identifier2IsNumber = ctype_digit($identifier2); |
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if ($identifier1IsNumber xor $identifier2IsNumber) { |
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1 |
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return $identifier1IsNumber ? -1 : 1; |
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} |
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6 |
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if ($identifier1IsNumber && $identifier2IsNumber) { |
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2 |
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return (int) $identifier1 - (int) $identifier2; |
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} |
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return strcmp($identifier1, $identifier2); |
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} |
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} |
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nikolaposa /
version
