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142 lines
4.6 KiB
142 lines
4.6 KiB
/*
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*
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* $Id: k3bversion.h 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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#ifndef _K3B_VERSION_H_
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#define _K3B_VERSION_H_
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#include <tqstring.h>
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#include "k3b_export.h"
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/**
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* \brief Representation of a version.
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*
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* K3bVersion represents a version consisting of a major version (accessible via majorVersion()),
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* a minor version (accessible via minorVersion()), a patchLevel (accessible via patchLevel()),
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* and a suffix (accessible via suffix()).
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*
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* The major version is mandatory while all other fields are optional (in case of the minor version
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* and the patchlevel -1 means that the field is undefined).
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*
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* K3bVersion tries to treat version suffixes in an "intelligent" way to properly compare versions
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* (see compareSuffix() for more details).
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*
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* K3bVersion may also be used everywhere a TQString is needed as it automatically converts to a
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* string representation using createVersionString().
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*/
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class LIBK3B_EXPORT K3bVersion
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{
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public:
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/**
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* construct an empty version object
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* which is invalid
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* @ see isValid()
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*/
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K3bVersion();
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/**
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* copy constructor
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*/
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K3bVersion( const K3bVersion& );
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/**
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* this constructor tries to parse the given version string
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*/
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K3bVersion( const TQString& version );
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/**
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* sets the version and generates a version string from it
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*/
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K3bVersion( int majorVersion, int minorVersion, int pachlevel = -1, const TQString& suffix = TQString() );
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/**
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* tries to parse the version string
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* used by the constructor
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*/
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void setVersion( const TQString& );
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bool isValid() const;
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/**
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* sets the version and generates a version string from it
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* used by the constructor
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*
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* If minorVersion or pachlevel are -1 they will not be used when generating the version string.
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*/
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void setVersion( int majorVersion, int minorVersion = -1, int patchlevel = -1, const TQString& suffix = TQString() );
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const TQString& versionString() const { return m_versionString; }
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int majorVersion() const { return m_majorVersion; }
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int minorVersion() const { return m_minorVersion; }
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int patchLevel() const { return m_patchLevel; }
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const TQString& suffix() const { return m_suffix; }
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/**
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* just to make it possible to use as a TQString
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*/
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operator const TQString& () const { return m_versionString; }
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K3bVersion& operator=( const TQString& v );
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/**
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* \return A new K3bVersion object which equals this one except that the suffix is empty.
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*/
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K3bVersion simplify() const;
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/**
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* If minorVersion or pachlevel are -1 they will not be used when generating the version string.
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* If minorVersion is -1 patchlevel will be ignored.
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*/
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static TQString createVersionString( int majorVersion,
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int minorVersion = -1,
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int patchlevel = -1,
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const TQString& suffix = TQString() );
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/**
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* "Intelligent" comparison of two version suffixes.
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*
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* This method checks for the following types of suffixes and treats them in the
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* following order:
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*
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* [empty prefix] > rcX > preX > betaX > alphaX = aX (where X is a number)
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*
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* Every other suffixes are compared alphanumerical.
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* An empty prefix is always considered newer than an unknown non-emtpy suffix (e.g. not one of the above.)
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*
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* @return \li -1 if suffix1 is less than suffix2
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* \li 0 if suffix1 equals suffix2 (be aware that this is not the same as comparing to strings as
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* alphaX equals aX in this case.)
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* \li 1 if suffix1 is greater than suffix2
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*/
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static int compareSuffix( const TQString& suffix1, const TQString& suffix2 );
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private:
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static void splitVersionString( const TQString& s, int& num, TQString& suffix );
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TQString m_versionString;
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int m_majorVersion;
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int m_minorVersion;
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int m_patchLevel;
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TQString m_suffix;
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};
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LIBK3B_EXPORT bool operator<( const K3bVersion& v1, const K3bVersion& v2 );
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LIBK3B_EXPORT bool operator>( const K3bVersion& v1, const K3bVersion& v2 );
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LIBK3B_EXPORT bool operator==( const K3bVersion& v1, const K3bVersion& v2 );
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LIBK3B_EXPORT bool operator<=( const K3bVersion& v1, const K3bVersion& v2 );
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LIBK3B_EXPORT bool operator>=( const K3bVersion& v1, const K3bVersion& v2 );
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#endif
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