Designing Robust Objects with Boost

//*******************************************************************
//
// $Workfile: AppVersion.h $
//
// $Modtime: 8/15/04 7:59a $
//
// Header for AddVersion class.
//
// This class provides application version number handling.
//

#pragma once

#if _MSC_VER == 1200
#pragma warning(push, 3)	// turn off some STL warnings in VS6
#endif
#include <iostream>
#include "boost\operators.hpp"
#if _MSC_VER == 1200
#pragma warning(pop)
#endif

//*******************************************************************
//
class AppVersion : public CObject,
				   public boost::totally_ordered<AppVersion>
{
	DECLARE_SERIAL(AppVersion)

	public :
		AppVersion();
		AppVersion(unsigned long Major,
				   unsigned long Minor,
				   unsigned long Build,
				   unsigned long Revision);
		AppVersion(const AppVersion& b);

		virtual ~AppVersion();

		AppVersion& operator=(const AppVersion& b);

		bool operator<(const AppVersion& b) const;
		bool operator==(const AppVersion& b) const;

		unsigned long GetMajor() const;
		unsigned long GetMinor() const;
		unsigned long GetBuild() const;
		unsigned long GetRevision() const;

		virtual void Serialize(CArchive& ar);

#if defined _DEBUG
		virtual void Dump(CDumpContext& dc) const;
#endif

	private :
		unsigned long m_Major;
		unsigned long m_Minor;
		unsigned long m_Build;
		unsigned long m_Revision;
};


//*******************************************************************
//
// AppVersion support functions
//
const CString GetText(const AppVersion& AV);
std::ostream& operator<<(std::ostream& os, const AppVersion& AV);