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<?php |
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/** |
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* This file is part of the Version package. |
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* |
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* Copyright (c) Nikola Posa <[email protected]> |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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namespace Version\Metadata; |
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use Version\Identifier\PreReleaseIdentifier; |
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/** |
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* @author Nikola Posa <[email protected]> |
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*/ |
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final class PreRelease extends BaseIdentifyingMetadata |
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{ |
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protected static function createAssociatedIdentifier($value) |
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{ |
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return PreReleaseIdentifier::create($value); |
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} |
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/** |
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* @param self $preRelease |
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* @return int (> 0 if $this > $preRelease, < 0 if $this < $preRelease, 0 if equal) |
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*/ |
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public function compareTo(PreRelease $preRelease) |
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{ |
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$pr1Ids = array_values($this->getIdentifiers()); |
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$pr2Ids = array_values($preRelease->getIdentifiers()); |
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$pr1Count = count($pr1Ids); |
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$pr2Count = count($pr2Ids); |
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$limit = min($pr1Count, $pr2Count); |
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for ($i = 0; $i < $limit; $i++) { |
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$pr1IdVal = $pr1Ids[$i]->getValue(); |
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$pr2IdVal = $pr2Ids[$i]->getValue(); |
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if ($pr1IdVal == $pr2IdVal) { |
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continue; |
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} |
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return $this->comparePreReleaseIdentifierValues($pr1IdVal, $pr2IdVal); |
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} |
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return $pr1Count - $pr2Count; |
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} |
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private function comparePreReleaseIdentifierValues($pr1IdVal, $pr2IdVal) |
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{ |
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$pr1IsAlpha = ctype_alpha($pr1IdVal); |
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$pr2IsAlpha = ctype_alpha($pr2IdVal); |
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if ($pr1IsAlpha && !$pr2IsAlpha) { |
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return 1; |
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} |
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if ($pr2IsAlpha && !$pr1IsAlpha) { |
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return -1; |
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} |
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if (ctype_digit($pr1IdVal) && ctype_digit($pr2IdVal)) { |
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return (int) $pr1IdVal - (int) $pr2IdVal; |
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} |
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return strcmp($pr1IdVal, $pr2IdVal); |
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} |
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} |
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nikolaposa /
version
