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