Files
lmms/src/core/ProjectVersion.cpp
2015-01-19 23:25:05 -02:00

116 lines
2.8 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 ).section( '-', 0, 0 ).toInt();
}
QString parseBuild(QString & version) {
return version.section( '.', 2 ).section( '-', 1 );
}
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_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_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();
}
else if( c == CompareType::Major )
{
return 0;
}
if( a.getMinor() != b.getMinor() )
{
return a.getMinor() - b.getMinor();
}
else if( c == CompareType::Minor )
{
return 0;
}
if( a.getRelease() != b.getRelease() )
{
return a.getRelease() - b.getRelease();
}
else if( c == CompareType::Release )
{
return 0;
}
// make sure 0.x.y > 0.x.y-patch
if( a.getBuild().isEmpty() )
{
return 1;
}
if( b.getBuild().isEmpty() )
{
return -1;
}
return QString::compare( a.getBuild(), b.getBuild() );
}
int ProjectVersion::compare( ProjectVersion v1, ProjectVersion v2 )
{
return compare( v1, v2, std::min( v1.getCompareType(), v2.getCompareType() ) );
}