Viewing file:  Version.php (2.75 KB) -rw-r--r--
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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* 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 <lars@strojny.net>
*/
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 * $base),
($versionId / $base) % $base,
$versionId % $base
);
}
}
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