Chris@2: <?php
Chris@2: /*
Chris@2:  * This file is part of PharIo\Version.
Chris@2:  *
Chris@2:  * (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
Chris@2:  *
Chris@2:  * For the full copyright and license information, please view the LICENSE
Chris@2:  * file that was distributed with this source code.
Chris@2:  */
Chris@2: 
Chris@2: namespace PharIo\Version;
Chris@2: 
Chris@2: class Version {
Chris@2:     /**
Chris@2:      * @var VersionNumber
Chris@2:      */
Chris@2:     private $major;
Chris@2: 
Chris@2:     /**
Chris@2:      * @var VersionNumber
Chris@2:      */
Chris@2:     private $minor;
Chris@2: 
Chris@2:     /**
Chris@2:      * @var VersionNumber
Chris@2:      */
Chris@2:     private $patch;
Chris@2: 
Chris@2:     /**
Chris@2:      * @var PreReleaseSuffix
Chris@2:      */
Chris@2:     private $preReleaseSuffix;
Chris@2: 
Chris@2:     /**
Chris@2:      * @var string
Chris@2:      */
Chris@2:     private $versionString = '';
Chris@2: 
Chris@2:     /**
Chris@2:      * @param string $versionString
Chris@2:      */
Chris@2:     public function __construct($versionString) {
Chris@2:         $this->ensureVersionStringIsValid($versionString);
Chris@2: 
Chris@2:         $this->versionString = $versionString;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @param array $matches
Chris@2:      */
Chris@2:     private function parseVersion(array $matches) {
Chris@2:         $this->major = new VersionNumber($matches['Major']);
Chris@2:         $this->minor = new VersionNumber($matches['Minor']);
Chris@2:         $this->patch = isset($matches['Patch']) ? new VersionNumber($matches['Patch']) : new VersionNumber(null);
Chris@2: 
Chris@2:         if (isset($matches['ReleaseType'])) {
Chris@2:             $preReleaseNumber = isset($matches['ReleaseTypeCount']) ? (int) $matches['ReleaseTypeCount'] : null;
Chris@2: 
Chris@2:             $this->preReleaseSuffix = new PreReleaseSuffix($matches['ReleaseType'], $preReleaseNumber);
Chris@2:         }
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return PreReleaseSuffix
Chris@2:      */
Chris@2:     public function getPreReleaseSuffix()
Chris@2:     {
Chris@2:         return $this->preReleaseSuffix;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return string
Chris@2:      */
Chris@2:     public function getVersionString() {
Chris@2:         return $this->versionString;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @param Version $version
Chris@2:      *
Chris@2:      * @return bool
Chris@2:      */
Chris@2:     public function isGreaterThan(Version $version) {
Chris@2:         if ($version->getMajor()->getValue() > $this->getMajor()->getValue()) {
Chris@2:             return false;
Chris@2:         }
Chris@2: 
Chris@2:         if ($version->getMajor()->getValue() < $this->getMajor()->getValue()) {
Chris@2:             return true;
Chris@2:         }
Chris@2: 
Chris@2:         if ($version->getMinor()->getValue() > $this->getMinor()->getValue()) {
Chris@2:             return false;
Chris@2:         }
Chris@2: 
Chris@2:         if ($version->getMinor()->getValue() < $this->getMinor()->getValue()) {
Chris@2:             return true;
Chris@2:         }
Chris@2: 
Chris@2:         if ($version->getPatch()->getValue() >= $this->getPatch()->getValue()) {
Chris@2:             return false;
Chris@2:         }
Chris@2: 
Chris@2:         if ($version->getPatch()->getValue() < $this->getPatch()->getValue()) {
Chris@2:             return true;
Chris@2:         }
Chris@2: 
Chris@2:         return false;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return VersionNumber
Chris@2:      */
Chris@2:     public function getMajor() {
Chris@2:         return $this->major;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return VersionNumber
Chris@2:      */
Chris@2:     public function getMinor() {
Chris@2:         return $this->minor;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return VersionNumber
Chris@2:      */
Chris@2:     public function getPatch() {
Chris@2:         return $this->patch;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @param string $version
Chris@2:      *
Chris@2:      * @throws InvalidVersionException
Chris@2:      */
Chris@2:     private function ensureVersionStringIsValid($version) {
Chris@2:         $regex = '/^v?
Chris@2:             (?<Major>(0|(?:[1-9][0-9]*)))
Chris@2:             \\.
Chris@2:             (?<Minor>(0|(?:[1-9][0-9]*)))
Chris@2:             (\\.
Chris@2:                 (?<Patch>(0|(?:[1-9][0-9]*)))
Chris@2:             )?
Chris@2:             (?:
Chris@2:                 -
Chris@2:                 (?<ReleaseType>(?:(dev|beta|b|RC|alpha|a|patch|p)))
Chris@2:                 (?:
Chris@2:                     (?<ReleaseTypeCount>[0-9])
Chris@2:                 )?
Chris@2:             )?       
Chris@2:         $/x';
Chris@2: 
Chris@2:         if (preg_match($regex, $version, $matches) !== 1) {
Chris@2:             throw new InvalidVersionException(
Chris@2:                 sprintf("Version string '%s' does not follow SemVer semantics", $version)
Chris@2:             );
Chris@2:         }
Chris@2: 
Chris@2:         $this->parseVersion($matches);
Chris@2:     }
Chris@2: }