PocketMine-MP/src/pocketmine/utils/VersionString.php
2014-08-28 17:04:22 +02:00

126 lines
3.3 KiB
PHP

<?php
/*
*
* ____ _ _ __ __ _ __ __ ____
* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* @author PocketMine Team
* @link http://www.pocketmine.net/
*
*
*/
namespace pocketmine\utils;
/**
* Manages PocketMine-MP version strings, and compares them
*/
class VersionString{
public static $stageOrder = [
"alpha" => 0,
"a" => 0,
"beta" => 1,
"b" => 1,
"final" => 2,
"f" => 2,
];
private $stage;
private $major;
private $build;
private $minor;
private $development = false;
private $generation;
public function __construct($version = \pocketmine\VERSION){
if(is_int($version)){
$this->minor = $version & 0x1F;
$this->major = ($version >> 5) & 0x0F;
$this->generation = ($version >> 9) & 0x0F;
$this->stage = array_search(($version >> 13) & 0x0F, VersionString::$stageOrder, true);
}else{
$version = preg_split("/([A-Za-z]*)[ _\\-]([0-9]*)\\.([0-9]*)\\.{0,1}([0-9]*)(dev|)(-[\\0-9]{1,}|)/", $version, -1, PREG_SPLIT_DELIM_CAPTURE);
$this->stage = strtolower($version[1]); //0-15
$this->generation = (int) $version[2]; //0-15
$this->major = (int) $version[3]; //0-15
$this->minor = (int) $version[4]; //0-31
$this->development = $version[5] === "dev" ? true : false;
if($version[6] !== ""){
$this->build = intval(substr($version[6], 1));
}else{
$this->build = 0;
}
}
}
public function getNumber(){
return (int) (VersionString::$stageOrder[$this->stage] << 13) + ($this->generation << 9) + ($this->major << 5) + $this->minor;
}
public function getStage(){
return $this->stage;
}
public function getGeneration(){
return $this->generation;
}
public function getMajor(){
return $this->major;
}
public function getMinor(){
return $this->minor;
}
public function getRelease(){
return $this->generation . "." . $this->major . ($this->minor > 0 ? "." . $this->minor : "");
}
public function getBuild(){
return $this->build;
}
public function isDev(){
return $this->development === true;
}
public function get($build = false){
return ucfirst($this->stage) . "_" . $this->getRelease() . ($this->development === true ? "dev" : "") . (($this->build > 0 and $build === true) ? "-" . $this->build : "");
}
public function __toString(){
return $this->get();
}
public function compare($target, $diff = false){
if(($target instanceof VersionString) === false){
$target = new VersionString($target);
}
$number = $this->getNumber();
$tNumber = $target->getNumber();
if($diff === true){
return $tNumber - $number;
}
if($number > $tNumber){
return -1; //Target is older
}elseif($number < $tNumber){
return 1; //Target is newer
}elseif($target->getBuild() > $this->getBuild()){
return 1;
}elseif($target->getBuild() < $this->getBuild()){
return -1;
}else{
return 0; //Same version
}
}
}