/*
	OS ¹öÀü ÆÇ´Ü Å¬·¡½º
*/
//---------------------------------------------------------------------------

#ifndef COSVersionH
#define COSVersionH
//---------------------------------------------------------------------------

enum TOSVersion
{
	osUnknown,		//	0
	osWin31,        //	1
	osWin95,        //	2
	osWin95OSR2,    //	3
	osWin9x,        //	4
	osWin98,        //	5
	osWin98SE,      //	6
	osWinME,        //	7
	osWinNT,        //	8
	osWinNT3,       //	9
	osWinNT4,       // 10
	osWin2000,      // 11
	osWinXP,        // 12
	osWin2003,      // 13
	osWinVista      // 14
};

class COSVersion
{
protected:
	TOSVersion  Get()
	{
		OSVERSIONINFO   VersionInfo;
		TOSVersion  	Version = osUnknown;

		ZeroMemory(&VersionInfo, sizeof(OSVERSIONINFO));
		VersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
		GetVersionEx(&VersionInfo);

		switch(VersionInfo.dwPlatformId)
		{
			case VER_PLATFORM_WIN32_NT :
				switch(VersionInfo.dwMajorVersion)
				{
					case 3 : Version = osWinNT3; break;
					case 4 : Version = osWinNT4; break;
					case 5 :
						switch(VersionInfo.dwMinorVersion)
						{
							case 0 : Version = osWin2000; 	break;
							case 1 : Version = osWinXP;		break;
							case 2 : Version = osWin2003;	break;
							default: Version = osWinNT;		break;
						}
						break;
					case 6 : Version = osWinVista; break;
				}
				break;
			case VER_PLATFORM_WIN32s :
				Version = osWin31;
				break;
			case VER_PLATFORM_WIN32_WINDOWS :
				switch(VersionInfo.dwMinorVersion)
				{
					case 0 :
						if (VersionInfo.szCSDVersion[1] == 'B')   	Version = osWin95OSR2;
						else                            			Version = osWin95;
						break;
					case 10 :
						if (VersionInfo.szCSDVersion[1] == 'A')  	Version = osWin98SE;
						else                            			Version = osWin98;
						break;
					case 90 :
						if (VersionInfo.dwBuildNumber == 73010104)	Version = osWinME;
						else										Version = osWin9x;
						break;
				}
				break;
		}
		return Version;
	}
public:
	TOSVersion  Version;
public:
	COSVersion()
	{
		Version = Get();
	}
	char *GetOSName()
	{
		static char *OS[] =
		{
			"Unknown OS",		//  0
			"Windows 3.1",      //	1
			"Windows 95",       //	2
			"Windows 95 OSR2",  //	3
			"Windows 9x",       //	4
			"Windows 98",       //	5
			"Windows 98 SE",    //	6
			"Windows ME",       //	7
			"Windows NT",       //	8
			"Windows NT3",      //	9
			"Windows NT4",      // 10
			"Windows 2000",     // 11
			"Windows XP",       // 12
			"Windows 2003",     // 13
			"Windows Vista"     // 14
		};
		return OS[Version];
	}
};

//---------------------------------------------------------------------------
#endif