|
|
// This is a part of the Active Template Library.
// Copyright (C) 1996-2001 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Active Template Library Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Active Template Library product.
#ifndef __ATLCONV_H__
#define __ATLCONV_H__
#pragma once
#ifndef _ATL_NO_PRAGMA_WARNINGS
#pragma warning (push)
#pragma warning(disable: 4127) // unreachable code
#endif //!_ATL_NO_PRAGMA_WARNINGS
#ifndef __cplusplus
#error ATL requires C++ compilation (use a .cpp suffix)
#endif
#include <atldef.h>
#include <objbase.h>
namespace ATL {
inline UINT _AtlGetConversionACP() { return( CP_ACP ); }
}; // namespace ATL
#pragma pack(push,8)
#ifndef _DEBUG
#define USES_CONVERSION int _convert; _convert; UINT _acp = ATL::_AtlGetConversionACP() /*CP_THREAD_ACP*/; _acp; LPCWSTR _lpw; _lpw; LPCSTR _lpa; _lpa
#else
#define USES_CONVERSION int _convert = 0; _convert; UINT _acp = ATL::_AtlGetConversionACP() /*CP_THREAD_ACP*/; _acp; LPCWSTR _lpw = NULL; _lpw; LPCSTR _lpa = NULL; _lpa
#endif
/////////////////////////////////////////////////////////////////////////////
// Global UNICODE<>ANSI translation helpers
inline LPWSTR WINAPI AtlA2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars, UINT acp) { ATLASSERT(lpa != NULL); ATLASSERT(lpw != NULL); if (lpw == NULL) return NULL; // verify that no illegal character present
// since lpw was allocated based on the size of lpa
// don't worry about the number of chars
lpw[0] = '\0'; MultiByteToWideChar(acp, 0, lpa, -1, lpw, nChars); return lpw; }
inline LPSTR WINAPI AtlW2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars, UINT acp) { ATLASSERT(lpw != NULL); ATLASSERT(lpa != NULL); if (lpa == NULL) return NULL; // verify that no illegal character present
// since lpa was allocated based on the size of lpw
// don't worry about the number of chars
lpa[0] = '\0'; WideCharToMultiByte(acp, 0, lpw, -1, lpa, nChars, NULL, NULL); return lpa; }
#ifndef ATLA2WHELPER
#define ATLA2WHELPER AtlA2WHelper
#define ATLW2AHELPER AtlW2AHelper
#endif
#define A2W(lpa) (\
((_lpa = lpa) == NULL) ? NULL : (\ _convert = (lstrlenA(_lpa)+1),\ ATLA2WHELPER((LPWSTR) alloca(_convert*2), _lpa, _convert, _acp)))
#define W2A(lpw) (\
((_lpw = lpw) == NULL) ? NULL : (\ _convert = (lstrlenW(_lpw)+1)*2,\ ATLW2AHELPER((LPSTR) alloca(_convert), _lpw, _convert, _acp)))
#pragma pack(pop)
#ifndef _ATL_DLL_IMPL
#ifndef _ATL_DLL
#define _ATLCONV_IMPL
#endif
#endif
#endif // __ATLCONV_H__
/////////////////////////////////////////////////////////////////////////////
#ifdef _ATLCONV_IMPL
//Prevent pulling in second time
#undef _ATLCONV_IMPL
#ifndef _ATL_NO_PRAGMA_WARNINGS
#pragma warning (pop)
#endif //!_ATL_NO_PRAGMA_WARNINGS
#endif // _ATLCONV_IMPL
|