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<?php |
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/** |
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* @copyright (c) 2014-2017 brian ridley |
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* @author brian ridley <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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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 ptlis\SemanticVersion\Comparator; |
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use ptlis\SemanticVersion\Version\VersionInterface; |
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/** |
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* Version less than comparator. |
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*/ |
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final class LessThan implements ComparatorInterface |
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{ |
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/** |
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* Return true if the left version is less than right version. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return boolean |
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*/ |
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public function compare(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return ( |
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$this->compareVersionNumber($lVersion, $rVersion) |
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|| $this->compareFullLabel($lVersion, $rVersion) |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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return '<'; |
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} |
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/** |
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* Returns true if left version number is less than right version number. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return bool |
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*/ |
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private function compareVersionNumber(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return ( |
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$this->compareMajor($lVersion, $rVersion) |
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|| $this->compareMinor($lVersion, $rVersion) |
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|| $this->comparePatch($lVersion, $rVersion) |
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); |
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} |
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/** |
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* Returns true if left label is less than right version label. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return bool |
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*/ |
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private function compareFullLabel(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return ( |
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$this->compareLabel($lVersion, $rVersion) |
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|| $this->compareLabelVersion($lVersion, $rVersion) |
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); |
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} |
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/** |
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* Returns true if left major is less than right major version. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return bool |
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*/ |
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private function compareMajor(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return $lVersion->getMajor() < $rVersion->getMajor(); |
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} |
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/** |
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* Returns true if left & right major values match & left minor is less than right major version. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return bool |
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*/ |
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private function compareMinor(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return ( |
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$lVersion->getMajor() == $rVersion->getMajor() |
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&& $lVersion->getMinor() < $rVersion->getMinor() |
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); |
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} |
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/** |
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* Returns true if left & right major & minor values match & left patch is less than right patch version. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return bool |
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*/ |
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private function comparePatch(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return ( |
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$lVersion->getMajor() == $rVersion->getMajor() |
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&& $lVersion->getMinor() == $rVersion->getMinor() |
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&& $lVersion->getPatch() < $rVersion->getPatch() |
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); |
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} |
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/** |
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* Returns true if left & right major, minor & patch values match & left label precedence is less than right label |
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* precedence. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return bool |
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*/ |
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private function compareLabel(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return ( |
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$lVersion->getMajor() == $rVersion->getMajor() |
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&& $lVersion->getMinor() == $rVersion->getMinor() |
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&& $lVersion->getPatch() == $rVersion->getPatch() |
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&& $lVersion->getLabel()->getPrecedence() < $rVersion->getLabel()->getPrecedence() |
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); |
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} |
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/** |
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* Returns true if left & right major, minor, patch & label precedence values match & left label version is less |
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* than right patch version. |
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* |
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* @param VersionInterface $lVersion |
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* @param VersionInterface $rVersion |
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* |
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* @return bool |
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*/ |
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private function compareLabelVersion(VersionInterface $lVersion, VersionInterface $rVersion) |
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{ |
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return ( |
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$lVersion->getMajor() == $rVersion->getMajor() |
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&& $lVersion->getMinor() == $rVersion->getMinor() |
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&& $lVersion->getPatch() == $rVersion->getPatch() |
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&& $lVersion->getLabel()->getPrecedence() == $rVersion->getLabel()->getPrecedence() |
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&& $lVersion->getLabel()->getVersion() < $rVersion->getLabel()->getVersion() |
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); |
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} |
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} |
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