// This file is based on the following file from the LZMA SDK (http://www.7-zip.org/sdk.html):
//   ./CPP/Windows/PropVariant.h

#pragma once


#include "../CPP/Common/MyTypes.h"
#include "../CPP/Common/MyWindows.h"

namespace SevenZip
{
namespace intl
{
	class CPropVariant : public PROPVARIANT
	{
	public:

		CPropVariant() { vt = VT_EMPTY; wReserved1 = 0; }
		~CPropVariant() { Clear(); }
		CPropVariant(const PROPVARIANT &varSrc);
		CPropVariant(const CPropVariant &varSrc);
		CPropVariant(BSTR bstrSrc);
		CPropVariant(LPCOLESTR lpszSrc);
		CPropVariant(bool bSrc) { vt = VT_BOOL; wReserved1 = 0; boolVal = (bSrc ? VARIANT_TRUE : VARIANT_FALSE); };
		CPropVariant(Byte value) { vt = VT_UI1; wReserved1 = 0; bVal = value; }
		CPropVariant(Int16 value) { vt = VT_I2; wReserved1 = 0; iVal = value; }
		CPropVariant(Int32 value) { vt = VT_I4; wReserved1 = 0; lVal = value; }
		CPropVariant(UInt32 value) { vt = VT_UI4; wReserved1 = 0; ulVal = value; }
		CPropVariant(UInt64 value) { vt = VT_UI8; wReserved1 = 0; uhVal.QuadPart = value; }
		CPropVariant(const FILETIME &value) { vt = VT_FILETIME; wReserved1 = 0; filetime = value; }

		CPropVariant& operator=(const CPropVariant &varSrc);
		CPropVariant& operator=(const PROPVARIANT &varSrc);
		CPropVariant& operator=(BSTR bstrSrc);
		CPropVariant& operator=(LPCOLESTR lpszSrc);
		CPropVariant& operator=(const char *s);
		CPropVariant& operator=(bool bSrc);
		CPropVariant& operator=(Byte value);
		CPropVariant& operator=(Int16 value);
		CPropVariant& operator=(Int32 value);
		CPropVariant& operator=(UInt32 value);
		CPropVariant& operator=(Int64 value);
		CPropVariant& operator=(UInt64 value);
		CPropVariant& operator=(const FILETIME &value);

		HRESULT Clear();
		HRESULT Copy(const PROPVARIANT *pSrc);
		HRESULT Attach(PROPVARIANT *pSrc);
		HRESULT Detach(PROPVARIANT *pDest);

		HRESULT InternalClear();
		void InternalCopy(const PROPVARIANT *pSrc);

		int Compare(const CPropVariant &a1);
	};
}
}