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113 lines
3.1 KiB
PHP
113 lines
3.1 KiB
PHP
<?php declare(strict_types=1);
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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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 Composer\Platform;
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use Composer\Pcre\Preg;
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/**
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* @author Lars Strojny <lars@strojny.net>
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*/
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class Version
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{
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/**
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* @param string $opensslVersion
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* @param bool $isFips Set by the method
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* @return string|null
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*/
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public static function parseOpenssl(string $opensslVersion, ?bool &$isFips): ?string
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{
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$isFips = false;
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if (!Preg::isMatch('/^(?<version>[0-9.]+)(?<patch>[a-z]{0,2})?(?<suffix>(?:-?(?:dev|pre|alpha|beta|rc|fips)[\d]*)*)?(?<garbage>-\w+)?(?<garbage2> \(.+?\))?$/', $opensslVersion, $matches)) {
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return null;
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}
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$isFips = strpos($matches['suffix'], 'fips') !== false;
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$suffix = strtr('-'.ltrim($matches['suffix'], '-'), array('-fips' => '', '-pre' => '-alpha'));
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$patch = self::convertAlphaVersionToIntVersion($matches['patch']);
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return rtrim($matches['version'].'.'.$patch.$suffix, '-');
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}
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/**
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* @param string $libjpegVersion
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* @return string|null
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*/
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public static function parseLibjpeg(string $libjpegVersion): ?string
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{
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if (!Preg::isMatch('/^(?<major>\d+)(?<minor>[a-z]*)$/', $libjpegVersion, $matches)) {
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return null;
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}
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return $matches['major'].'.'.self::convertAlphaVersionToIntVersion($matches['minor']);
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}
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/**
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* @param string $zoneinfoVersion
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* @return string|null
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*/
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public static function parseZoneinfoVersion(string $zoneinfoVersion): ?string
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{
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if (!Preg::isMatch('/^(?<year>\d{4})(?<revision>[a-z]*)$/', $zoneinfoVersion, $matches)) {
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return null;
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}
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return $matches['year'].'.'.self::convertAlphaVersionToIntVersion($matches['revision']);
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}
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/**
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* "" => 0, "a" => 1, "zg" => 33
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*
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* @param string $alpha
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* @return int
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*/
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private static function convertAlphaVersionToIntVersion(string $alpha): int
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{
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return strlen($alpha) * (-ord('a') + 1) + array_sum(array_map('ord', str_split($alpha)));
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}
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/**
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* @param int $versionId
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* @return string
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*/
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public static function convertLibxpmVersionId(int $versionId): string
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{
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return self::convertVersionId($versionId, 100);
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}
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/**
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* @param int $versionId
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* @return string
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*/
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public static function convertOpenldapVersionId(int $versionId): string
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{
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return self::convertVersionId($versionId, 100);
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}
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/**
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* @param int $versionId
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* @param int $base
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*
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* @return string
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*/
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private static function convertVersionId(int $versionId, int $base): string
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{
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return sprintf(
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'%d.%d.%d',
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$versionId / ($base * $base),
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(int) ($versionId / $base) % $base,
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$versionId % $base
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);
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}
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}
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