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