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319 lines
7.8 KiB
319 lines
7.8 KiB
15 years ago
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/*
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*
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* $Id: k3bversion.cpp 619556 2007-01-03 17:38:12Z trueg $
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* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3bversion.h"
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#include <qregexp.h>
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#include <kdebug.h>
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K3bVersion::K3bVersion()
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: m_majorVersion( -1 ),
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m_minorVersion( -1 ),
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m_patchLevel( -1 )
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{
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}
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K3bVersion::K3bVersion( const K3bVersion& v )
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: m_versionString( v.versionString() ),
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m_majorVersion( v.majorVersion() ),
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m_minorVersion( v.minorVersion() ),
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m_patchLevel( v.patchLevel() ),
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m_suffix( v.suffix() )
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{
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}
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K3bVersion::K3bVersion( const QString& version )
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{
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setVersion( version );
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}
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K3bVersion::K3bVersion( int majorVersion,
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int minorVersion,
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int patchlevel,
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const QString& suffix )
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{
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setVersion( majorVersion, minorVersion, patchlevel, suffix );
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}
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void K3bVersion::setVersion( const QString& v )
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{
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QString suffix;
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splitVersionString( v.stripWhiteSpace(), m_majorVersion, suffix );
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if( m_majorVersion >= 0 ) {
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if( suffix.startsWith(".") ) {
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suffix = suffix.mid( 1 );
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splitVersionString( suffix, m_minorVersion, suffix );
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if( m_minorVersion < 0 ) {
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kdDebug() << "(K3bVersion) suffix must not start with a dot!" << endl;
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m_majorVersion = -1;
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m_minorVersion = -1;
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m_patchLevel = -1;
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m_suffix = "";
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}
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else {
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if( suffix.startsWith(".") ) {
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suffix = suffix.mid( 1 );
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splitVersionString( suffix, m_patchLevel, suffix );
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if( m_patchLevel < 0 ) {
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kdDebug() << "(K3bVersion) suffix must not start with a dot!" << endl;
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m_majorVersion = -1;
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m_minorVersion = -1;
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m_patchLevel = -1;
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m_suffix = "";
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}
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else {
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m_suffix = suffix;
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}
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}
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else {
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m_patchLevel = -1;
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m_suffix = suffix;
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}
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}
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}
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else {
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m_minorVersion = -1;
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m_patchLevel = -1;
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m_suffix = suffix;
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}
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}
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m_versionString = createVersionString( m_majorVersion, m_minorVersion, m_patchLevel, m_suffix );
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}
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// splits the leading number from s and puts it in num
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// the dot is removed and the rest put in suffix
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// if s does not start with a digit or the first non-digit char is not a dot
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// suffix = s and num = -1 is returned
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void K3bVersion::splitVersionString( const QString& s, int& num, QString& suffix )
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{
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int pos = s.find( QRegExp("\\D") );
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if( pos < 0 ) {
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num = s.toInt();
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suffix = "";
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}
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else if( pos == 0 ) {
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num = -1;
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suffix = s;
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}
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else {
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num = s.left( pos ).toInt();
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suffix = s.mid( pos );
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}
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}
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bool K3bVersion::isValid() const
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{
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return (m_majorVersion >= 0);
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}
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void K3bVersion::setVersion( int majorVersion,
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int minorVersion,
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int patchlevel,
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const QString& suffix )
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{
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m_majorVersion = majorVersion;
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m_minorVersion = minorVersion;
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m_patchLevel = patchlevel;
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m_suffix = suffix;
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m_versionString = createVersionString( majorVersion, minorVersion, patchlevel, suffix );
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}
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K3bVersion& K3bVersion::operator=( const QString& v )
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{
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setVersion( v );
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return *this;
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}
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K3bVersion K3bVersion::simplify() const
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{
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K3bVersion v( *this );
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v.m_suffix.truncate(0);
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return v;
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}
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QString K3bVersion::createVersionString( int majorVersion,
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int minorVersion,
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int patchlevel,
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const QString& suffix )
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{
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if( majorVersion >= 0 ) {
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QString s = QString::number(majorVersion);
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if( minorVersion > -1 ) {
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s.append( QString(".%1").arg(minorVersion) );
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if( patchlevel > -1 )
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s.append( QString(".%1").arg(patchlevel) );
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}
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if( !suffix.isNull() )
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s.append( suffix );
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return s;
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}
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else
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return "";
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}
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int K3bVersion::compareSuffix( const QString& suffix1, const QString& suffix2 )
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{
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static QRegExp rcRx( "rc(\\d+)" );
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static QRegExp preRx( "pre(\\d+)" );
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static QRegExp betaRx( "beta(\\d+)" );
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static QRegExp alphaRx( "a(?:lpha)?(\\d+)" );
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// first we check if one of the suffixes (or both are empty) becasue that case if simple
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if( suffix1.isEmpty() ) {
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if( suffix2.isEmpty() )
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return 0;
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else
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return 1; // empty greater than the non-empty (should we treat something like 1.0a as greater than 1.0?)
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}
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else if( suffix2.isEmpty() )
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return -1;
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// now search for our special suffixes
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if( rcRx.exactMatch( suffix1 ) ) {
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int v1 = rcRx.cap(1).toInt();
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if( rcRx.exactMatch( suffix2 ) ) {
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int v2 = rcRx.cap(1).toInt();
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return ( v1 == v2 ? 0 : ( v1 < v2 ? -1 : 1 ) );
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}
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else if( preRx.exactMatch( suffix2 ) ||
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betaRx.exactMatch( suffix2 ) ||
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alphaRx.exactMatch( suffix2 ) )
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return 1; // rc > than all the others
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else
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return QString::compare( suffix1, suffix2 );
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}
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else if( preRx.exactMatch( suffix1 ) ) {
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int v1 = preRx.cap(1).toInt();
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if( rcRx.exactMatch( suffix2 ) ) {
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return -1; // pre is less than rc
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}
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else if( preRx.exactMatch( suffix2 ) ) {
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int v2 = preRx.cap(1).toInt();
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return ( v1 == v2 ? 0 : ( v1 < v2 ? -1 : 1 ) );
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}
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else if( betaRx.exactMatch( suffix2 ) ||
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alphaRx.exactMatch( suffix2 ) )
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return 1; // pre is greater than beta or alpha
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else
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return QString::compare( suffix1, suffix2 );
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}
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else if( betaRx.exactMatch( suffix1 ) ) {
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int v1 = betaRx.cap(1).toInt();
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if( rcRx.exactMatch( suffix2 ) ||
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preRx.exactMatch( suffix2 ) )
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return -1; // beta is less than rc or pre
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else if( betaRx.exactMatch( suffix2 ) ) {
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int v2 = betaRx.cap(1).toInt();
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return ( v1 == v2 ? 0 : ( v1 < v2 ? -1 : 1 ) );
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}
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else if( alphaRx.exactMatch( suffix2 ) )
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return 1; // beta is greater then alpha
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else
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return QString::compare( suffix1, suffix2 );
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}
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else if( alphaRx.exactMatch( suffix1 ) ) {
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int v1 = alphaRx.cap(1).toInt();
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if( rcRx.exactMatch( suffix2 ) ||
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preRx.exactMatch( suffix2 ) ||
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betaRx.exactMatch( suffix2 ) )
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return -1; // alpha is less than all the others
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else if( alphaRx.exactMatch( suffix2 ) ) {
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int v2 = alphaRx.cap(1).toInt();
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return ( v1 == v2 ? 0 : ( v1 < v2 ? -1 : 1 ) );
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}
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else
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return QString::compare( suffix1, suffix2 );
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}
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else
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return QString::compare( suffix1, suffix2 );
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}
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bool operator<( const K3bVersion& v1, const K3bVersion& v2 )
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{
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// both version objects need to be valid
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if( v1.majorVersion() == v2.majorVersion() ) {
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// 1 == 1.0
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if( ( v1.minorVersion() == v2.minorVersion() )
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( v1.minorVersion() == -1 && v2.minorVersion() == 0 )
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( v2.minorVersion() == -1 && v1.minorVersion() == 0 )
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)
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{
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// 1.0 == 1.0.0
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if( ( v1.patchLevel() == v2.patchLevel() )
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( v1.patchLevel() == -1 && v2.patchLevel() == 0 )
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( v2.patchLevel() == -1 && v1.patchLevel() == 0 )
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)
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{
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return K3bVersion::compareSuffix( v1.suffix(), v2.suffix() ) < 0;
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}
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else
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return ( v1.patchLevel() < v2.patchLevel() );
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}
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else
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return ( v1.minorVersion() < v2.minorVersion() );
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}
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else
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return ( v1.majorVersion() < v2.majorVersion() );
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}
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bool operator>( const K3bVersion& v1, const K3bVersion& v2 )
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{
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return operator<( v2, v1 );
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}
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bool operator==( const K3bVersion& v1, const K3bVersion& v2 )
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{
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return ( v1.majorVersion() == v2.majorVersion() &&
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v1.minorVersion() == v2.minorVersion() &&
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v1.patchLevel() == v2.patchLevel() &&
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K3bVersion::compareSuffix( v1.suffix(), v2.suffix() ) == 0 );
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}
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bool operator<=( const K3bVersion& v1, const K3bVersion& v2 )
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{
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return ( operator<( v1, v2 ) || operator==( v1, v2 ) );
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}
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bool operator>=( const K3bVersion& v1, const K3bVersion& v2 )
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{
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return ( operator>( v1, v2 ) || operator==( v1, v2 ) );
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}
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