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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* versionstr.h
*
* Wed Jul 22 11:41:32 CEST 2009
* Copyright 2009 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include <string>
// Workaround - major, minor and patch are defined as macros when using
// _GNU_SOURCES
#ifdef major
#undef major
#endif
#ifdef minor
#undef minor
#endif
#ifdef patch
#undef patch
#endif
/**
* VersionStr class.
* It hold a version number and is capable of correct sorting, as well as string
* conversion both ways.
*/
class VersionStr
{
public:
/**
* Constructor.
* Throws an exeption if the string does not parse.
* @param v A std::string containing a version string on the form a.b or
* a.b.c
*/
VersionStr(const std::string& v);
/**
* Constructor.
* @param major A size_t containing the major version number.
* @param minor A size_t containing the minor version number.
* @param patch A size_t containing the patch level.
*/
VersionStr(size_t major = 0, size_t minor = 0, size_t patch = 0);
/**
* Typecast to std::string operator.
* It simply converts the version numbers into a string of the form
* major.minor
* (if patch i 0) or major.minor.patch
*/
operator std::string() const;
/**
* Assignment from std::string operator.
* Same as in the VersionStr(std::string v) constructor.
* Throws an exeption if the string does not parse.
*/
void operator=(const std::string& v);
/**
* Comparison operator.
* The version objects are sorted according to their major, minor and patch
* level numbers.
*/
bool operator<(const VersionStr& other) const;
bool operator==(const VersionStr& other) const;
bool operator>(const VersionStr& other) const;
bool operator>=(const VersionStr& other) const;
bool operator<=(const VersionStr& other) const;
/**
* @return Major version number.
*/
size_t major() const;
/**
* @return Minor version number.
*/
size_t minor() const;
/**
* @return Patch level.
*/
size_t patch() const;
private:
void set(const std::string& v);
size_t version[3];
};
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