93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Microsoft Windows
|
||
|
|
//
|
||
|
|
// Copyright (C) Microsoft Corporation, 1999 - 1999
|
||
|
|
//
|
||
|
|
// File: strconv.h
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
// This header contains macros and functions for performing various types of
|
||
|
|
// string conversions, in most cases, these functions are duplicate of others
|
||
|
|
// found in both MFC, and ATL. Unfortunately, when both MFC and ATL are
|
||
|
|
// included within the same translation unit, all of the conversion functions
|
||
|
|
// available in ATL are made unavailable. This file should work in all settings!
|
||
|
|
// The functions, though, in many cases to functions elsewhere have been renamed
|
||
|
|
// to avoid name colisions. The naming convention is similar to the naming
|
||
|
|
// convention used in the C++ standard library. ANSI strings are abbreviated to
|
||
|
|
// str, while wide character strings are abbreviated to wcs.
|
||
|
|
|
||
|
|
#ifndef STRCONV_H
|
||
|
|
#define STRCONV_H
|
||
|
|
|
||
|
|
#ifndef __wtypes_h__
|
||
|
|
#include <wtypes.h>
|
||
|
|
#endif
|
||
|
|
#ifndef _INC_MALLOC
|
||
|
|
#include <malloc.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace microsoft {
|
||
|
|
namespace string_conversion {
|
||
|
|
|
||
|
|
inline BSTR wcs2BSTR(const wchar_t* ws) throw()
|
||
|
|
// Converts a wide character string to a BSTR. The callee is responsible
|
||
|
|
// for releasing the returned BSTR. A BSTR is always returned, even if ws
|
||
|
|
// is NULL. When ws is NULL, an empty BSTR is returned. This is done so
|
||
|
|
// that the behaviour of this function is similar to those found below.
|
||
|
|
{
|
||
|
|
return ws ? SysAllocString(ws) : SysAllocString(L"");
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BSTR str2BSTR(const char* s) throw()
|
||
|
|
// Converts the provided narrow string to a BSTR. The BSTR must be released
|
||
|
|
// by the callee.
|
||
|
|
{
|
||
|
|
if (!s)
|
||
|
|
return wcs2BSTR(NULL);
|
||
|
|
const int len = lstrlenA(s)+1;
|
||
|
|
wchar_t* ws = reinterpret_cast<wchar_t*>(alloca((len)*2));
|
||
|
|
*ws=0;
|
||
|
|
MultiByteToWideChar(CP_ACP, 0, s, -1, ws, len);
|
||
|
|
return wcs2BSTR(ws);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline char* wcs2str(char* s, const wchar_t* ws) throw()
|
||
|
|
// Converts the provided wcs to a narrrow string, which will be stored in
|
||
|
|
// the provided space. No overrun checking is done! The narrow string
|
||
|
|
// is returned.
|
||
|
|
{
|
||
|
|
*s=0;
|
||
|
|
WideCharToMultiByte(CP_ACP, 0, ws, -1, s, lstrlenW(ws)+1, NULL, NULL);
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline char* wcs2str(char* s, const wchar_t* ws, int wslen) throw()
|
||
|
|
// Converts the provided wcs to a narrow string, which will be stored
|
||
|
|
// in the provided space. Overrun checking is performed.
|
||
|
|
{
|
||
|
|
*s=0;
|
||
|
|
WideCharToMultiByte(CP_ACP, 0, ws, -1, s, wslen, NULL, NULL);
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define USES_STRCONV int _strconv_length;
|
||
|
|
|
||
|
|
#define WCS2STR(ws) \
|
||
|
|
(ws ? (_strconv_length = lstrlenW(ws)+1,\
|
||
|
|
wcs2str(reinterpret_cast<char*>(alloca(_strconv_length)),\
|
||
|
|
ws, _strconv_length)) : NULL)
|
||
|
|
|
||
|
|
} // namespace string_conversion
|
||
|
|
} // namespace microsoft
|
||
|
|
|
||
|
|
#ifndef MICROSOFT_NAMESPACE_ON
|
||
|
|
using namespace microsoft;
|
||
|
|
#ifndef STRING_CONVERSION_NAMESPACE_ON
|
||
|
|
using namespace string_conversion;
|
||
|
|
#endif // STRING_CONVERSION_NAMESPACE_ON
|
||
|
|
#endif // MICROSOFT_NAMESPACE_ON
|
||
|
|
|
||
|
|
#endif // STRCONV_H
|