Files
lmms/src/core/ProjectVersion.cpp
2016-09-10 02:27:59 +00:00

159 lines
3.1 KiB
C++

/*
* ProjectVersion.cpp - compare versions in import upgrades
*
* Copyright (c) 2007 Javier Serrano Polo <jasp00/at/users.sourceforge.net>
* Copyright (c) 2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
* Copyright (c) 2015 Tres Finocchiaro <tres.finocchiaro/at/gmail.com>
*
* This file is part of LMMS - http://lmms.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include "ProjectVersion.h"
int parseMajor(QString & version) {
return version.section( '.', 0, 0 ).toInt();
}
int parseMinor(QString & version) {
return version.section( '.', 1, 1 ).toInt();
}
int parseRelease(QString & version) {
return version.section( '.', 2, 2 ).section( '-', 0, 0 ).toInt();
}
QString parseStage(QString & version) {
return version.section( '.', 2, 2 ).section( '-', 1 );
}
int parseBuild(QString & version) {
return version.section( '.', 3 ).toInt();
}
ProjectVersion::ProjectVersion(QString version, CompareType c) :
m_version(version),
m_major(parseMajor(m_version)),
m_minor(parseMinor(m_version)),
m_release(parseRelease(m_version)),
m_stage(parseStage(m_version)),
m_build(parseBuild(m_version)),
m_compareType(c)
{
}
ProjectVersion::ProjectVersion(const char* version, CompareType c) :
m_version(QString(version)),
m_major(parseMajor(m_version)),
m_minor(parseMinor(m_version)),
m_release(parseRelease(m_version)),
m_stage(parseStage(m_version)),
m_build(parseBuild(m_version)),
m_compareType(c)
{
}
int ProjectVersion::compare(const ProjectVersion & a, const ProjectVersion & b, CompareType c)
{
if(a.getMajor() != b.getMajor())
{
return a.getMajor() - b.getMajor();
}
if(c == Major)
{
return 0;
}
if(a.getMinor() != b.getMinor())
{
return a.getMinor() - b.getMinor();
}
if(c == Minor)
{
return 0;
}
if(a.getRelease() != b.getRelease())
{
return a.getRelease() - b.getRelease();
}
if(c == Release)
{
return 0;
}
if(!(a.getStage().isEmpty() && b.getStage().isEmpty()))
{
// make sure 0.x.y > 0.x.y-alpha
if(a.getStage().isEmpty())
{
return 1;
}
if(b.getStage().isEmpty())
{
return -1;
}
// 0.x.y-beta > 0.x.y-alpha
int cmp = QString::compare(a.getStage(), b.getStage());
if(cmp)
{
return cmp;
}
}
if(c == Stage)
{
return 0;
}
return a.getBuild() - b.getBuild();
}
int ProjectVersion::compare(ProjectVersion v1, ProjectVersion v2)
{
return compare(v1, v2, std::min(v1.getCompareType(), v2.getCompareType()));
}