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- // This is a part of the Active Template Library.
- // Copyright (C) 1996-1997 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__
-
- #ifndef __cplusplus
- #error ATL requires C++ compilation (use a .cpp suffix)
- #endif
-
- #ifndef _INC_MALLOC
- #include <malloc.h>
- #endif // _INC_MALLOC
-
- #pragma pack(push,8)
-
- // Make sure MFC's afxconv.h hasn't already been loaded to do this
- #ifndef USES_CONVERSION
-
- #if !defined (_DEBUG)
- #define USES_CONVERSION int _convert; &_convert
- #else
- #define USES_CONVERSION int _convert = 0
- #endif
-
- /////////////////////////////////////////////////////////////////////////////
- // Global UNICODE<>ANSI translation helpers
- LPWSTR WINAPI AtlA2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars);
- LPSTR WINAPI AtlW2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars);
-
- #ifndef ATLA2WHELPER
- #define ATLA2WHELPER AtlA2WHelper
- #define ATLW2AHELPER AtlW2AHelper
- #endif
-
- #define A2W(lpa) (\
- ((LPCSTR)lpa == NULL) ? NULL : (\
- _convert = (lstrlenA(lpa)+1),\
- ATLA2WHELPER((LPWSTR) alloca(_convert*2), lpa, _convert)))
-
- #define W2A(lpw) (\
- ((LPCWSTR)lpw == NULL) ? NULL : (\
- _convert = (lstrlenW(lpw)+1)*2,\
- ATLW2AHELPER((LPSTR) alloca(_convert), lpw, _convert)))
-
- #define A2CW(lpa) ((LPCWSTR)A2W(lpa))
- #define W2CA(lpw) ((LPCSTR)W2A(lpw))
-
- #if defined(_UNICODE)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline size_t ocslen(LPCOLESTR x) { return lstrlenW(x); }
- inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return lstrcpyW(dest, src); }
- inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
- inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
- inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
- inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
- #elif defined(OLE2ANSI)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline size_t ocslen(LPCOLESTR x) { return lstrlen(x); }
- inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) { return lstrcpy(dest, src); }
- inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
- inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
- inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
- inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
- #else
- inline size_t ocslen(LPCOLESTR x) { return lstrlenW(x); }
- //lstrcpyW doesn't work on Win95, so we do this
- inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src)
- {return (LPOLESTR) memcpy(dest, src, (lstrlenW(src)+1)*sizeof(WCHAR));}
- //CharNextW doesn't work on Win95 so we use this
- #define T2COLE(lpa) A2CW(lpa)
- #define T2OLE(lpa) A2W(lpa)
- #define OLE2CT(lpo) W2CA(lpo)
- #define OLE2T(lpo) W2A(lpo)
- #endif
-
- #ifdef OLE2ANSI
- inline LPOLESTR A2OLE(LPSTR lp) { return lp;}
- inline LPSTR OLE2A(LPOLESTR lp) { return lp;}
- #define W2OLE W2A
- #define OLE2W A2W
- inline LPCOLESTR A2COLE(LPCSTR lp) { return lp;}
- inline LPCSTR OLE2CA(LPCOLESTR lp) { return lp;}
- #define W2COLE W2CA
- #define OLE2CW A2CW
- #else
- inline LPOLESTR W2OLE(LPWSTR lp) { return lp; }
- inline LPWSTR OLE2W(LPOLESTR lp) { return lp; }
- #define A2OLE A2W
- #define OLE2A W2A
- inline LPCOLESTR W2COLE(LPCWSTR lp) { return lp; }
- inline LPCWSTR OLE2CW(LPCOLESTR lp) { return lp; }
- #define A2COLE A2CW
- #define OLE2CA W2CA
- #endif
-
- #ifdef _UNICODE
- #define T2A W2A
- #define A2T A2W
- inline LPWSTR T2W(LPTSTR lp) { return lp; }
- inline LPTSTR W2T(LPWSTR lp) { return lp; }
- #define T2CA W2CA
- #define A2CT A2CW
- inline LPCWSTR T2CW(LPCTSTR lp) { return lp; }
- inline LPCTSTR W2CT(LPCWSTR lp) { return lp; }
- #else
- #define T2W A2W
- #define W2T W2A
- inline LPSTR T2A(LPTSTR lp) { return lp; }
- inline LPTSTR A2T(LPSTR lp) { return lp; }
- #define T2CW A2CW
- #define W2CT W2CA
- inline LPCSTR T2CA(LPCTSTR lp) { return lp; }
- inline LPCTSTR A2CT(LPCSTR lp) { return lp; }
- #endif
-
- inline BSTR OLE2BSTR(LPCOLESTR lp) {return ::SysAllocString(lp);}
- #if defined(_UNICODE)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline BSTR T2BSTR(LPCTSTR lp) {return ::SysAllocString(lp);}
- inline BSTR A2BSTR(LPCSTR lp) {USES_CONVERSION; return ::SysAllocString(A2COLE(lp));}
- inline BSTR W2BSTR(LPCWSTR lp) {return ::SysAllocString(lp);}
- #elif defined(OLE2ANSI)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline BSTR T2BSTR(LPCTSTR lp) {return ::SysAllocString(lp);}
- inline BSTR A2BSTR(LPCSTR lp) {return ::SysAllocString(lp);}
- inline BSTR W2BSTR(LPCWSTR lp) {USES_CONVERSION; return ::SysAllocString(W2COLE(lp));}
- #else
- inline BSTR T2BSTR(LPCTSTR lp) {USES_CONVERSION; return ::SysAllocString(T2COLE(lp));}
- inline BSTR A2BSTR(LPCSTR lp) {USES_CONVERSION; return ::SysAllocString(A2COLE(lp));}
- inline BSTR W2BSTR(LPCWSTR lp) {return ::SysAllocString(lp);}
- #endif
-
- #ifdef _WINGDI_
- /////////////////////////////////////////////////////////////////////////////
- // Global UNICODE<>ANSI translation helpers
- LPDEVMODEW AtlDevModeA2W(LPDEVMODEW lpDevModeW, LPDEVMODEA lpDevModeA);
- LPDEVMODEA AtlDevModeW2A(LPDEVMODEA lpDevModeA, LPDEVMODEW lpDevModeW);
- LPTEXTMETRICW AtlTextMetricA2W(LPTEXTMETRICW lptmW, LPTEXTMETRICA pltmA);
- LPTEXTMETRICA AtlTextMetricW2A(LPTEXTMETRICA lptmA, LPTEXTMETRICW pltmW);
-
- #ifndef ATLDEVMODEA2W
- #define ATLDEVMODEA2W AtlDevModeA2W
- #define ATLDEVMODEW2A AtlDevModeW2A
- #define ATLTEXTMETRICA2W AtlTextMetricA2W
- #define ATLTEXTMETRICW2A AtlTextMetricW2A
- #endif
-
- #define DEVMODEW2A(lpw)\
- ((lpw == NULL) ? NULL : ATLDEVMODEW2A((LPDEVMODEA)alloca(sizeof(DEVMODEA)+lpw->dmDriverExtra), lpw))
- #define DEVMODEA2W(lpa)\
- ((lpa == NULL) ? NULL : ATLDEVMODEA2W((LPDEVMODEW)alloca(sizeof(DEVMODEW)+lpa->dmDriverExtra), lpa))
- #define TEXTMETRICW2A(lptmw)\
- ((lptmw == NULL) ? NULL : ATLTEXTMETRICW2A((LPTEXTMETRICA)alloca(sizeof(TEXTMETRICA)), lptmw))
- #define TEXTMETRICA2W(lptma)\
- ((lptma == NULL) ? NULL : ATLTEXTMETRICA2W((LPTEXTMETRICW)alloca(sizeof(TEXTMETRICW)), lptma))
-
- #ifdef OLE2ANSI
- #define DEVMODEOLE DEVMODEA
- #define LPDEVMODEOLE LPDEVMODEA
- #define TEXTMETRICOLE TEXTMETRICA
- #define LPTEXTMETRICOLE LPTEXTMETRICA
- #else
- #define DEVMODEOLE DEVMODEW
- #define LPDEVMODEOLE LPDEVMODEW
- #define TEXTMETRICOLE TEXTMETRICW
- #define LPTEXTMETRICOLE LPTEXTMETRICW
- #endif
-
- #if defined(_UNICODE)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline LPDEVMODEW DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
- inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODEW lp) { return lp; }
- inline LPTEXTMETRICW TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
- inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRICW lp) { return lp; }
- #elif defined(OLE2ANSI)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline LPDEVMODE DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
- inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODE lp) { return lp; }
- inline LPTEXTMETRIC TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
- inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRIC lp) { return lp; }
- #else
- #define DEVMODEOLE2T(lpo) DEVMODEW2A(lpo)
- #define DEVMODET2OLE(lpa) DEVMODEA2W(lpa)
- #define TEXTMETRICOLE2T(lptmw) TEXTMETRICW2A(lptmw)
- #define TEXTMETRICT2OLE(lptma) TEXTMETRICA2W(lptma)
- #endif
-
- #endif //_WINGDI_
-
- #else //!USES_CONVERSION
-
- // if USES_CONVERSION already defined (i.e. MFC_VER < 4.21 )
- // flip this switch to avoid atlconv.cpp
- #define _ATL_NO_CONVERSIONS
-
- #endif //!USES_CONVERSION
-
- // Define these even if MFC already included
- #if defined(_UNICODE)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline LPOLESTR CharNextO(LPCOLESTR lp) {return CharNextW(lp);}
- #elif defined(OLE2ANSI)
- // in these cases the default (TCHAR) is the same as OLECHAR
- inline LPOLESTR CharNextO(LPCOLESTR lp) {return CharNext(lp);}
- #else
- inline LPOLESTR CharNextO(LPCOLESTR lp) {return (LPOLESTR)(lp+1);}
- #endif
-
- #pragma pack(pop)
-
- #endif // __ATLCONV_H__
-
- /////////////////////////////////////////////////////////////////////////////
-