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<?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer\Platform; /** * @author Lars Strojny <[email protected]> */ class Version { /** * @param string $opensslVersion * @param bool $isFips * @return string|null */ public static function parseOpenssl($opensslVersion, &$isFips) { $isFips = false; if (!preg_match('/^(?<version>[0-9.]+)(?<patch>[a-z]{0,2})?(?<suffix>(?:-?(?:dev|pre|alpha|beta|rc|fips)[\d]*)*)?$/', $opensslVersion, $matches)) { return null; } $isFips = strpos($matches['suffix'], 'fips') !== false; $suffix = strtr('-'.ltrim($matches['suffix'], '-'), array('-fips' => '', '-pre' => '-alpha')); $patch = self::convertAlphaVersionToIntVersion($matches['patch']); return rtrim($matches['version'].'.'.$patch.$suffix, '-'); } /** * @param string $libjpegVersion * @return string|null */ public static function parseLibjpeg($libjpegVersion) { if (!preg_match('/^(?<major>\d+)(?<minor>[a-z]*)$/', $libjpegVersion, $matches)) { return null; } return $matches['major'].'.'.self::convertAlphaVersionToIntVersion($matches['minor']); } /** * @param string $zoneinfoVersion * @return string|null */ public static function parseZoneinfoVersion($zoneinfoVersion) { if (!preg_match('/^(?<year>\d{4})(?<revision>[a-z]*)$/', $zoneinfoVersion, $matches)) { return null; } return $matches['year'].'.'.self::convertAlphaVersionToIntVersion($matches['revision']); } /** * "" => 0, "a" => 1, "zg" => 33 * * @param string $alpha * @return int */ private static function convertAlphaVersionToIntVersion($alpha) { return strlen($alpha) * (-ord('a') + 1) + array_sum(array_map('ord', str_split($alpha))); } /** * @param int $versionId * @return string */ public static function convertLibxpmVersionId($versionId) { return self::convertVersionId($versionId, 100); } /** * @param int $versionId * @return string */ public static function convertOpenldapVersionId($versionId) { return self::convertVersionId($versionId, 100); } private static function convertVersionId($versionId, $base) { return sprintf( '%d.%d.%d', $versionId / ($base * $base), (int) ($versionId / $base) % $base, $versionId % $base ); } }