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/*****************************************************************
|
| Neptune - WinRT Utilities
|
| (c) 2001-2012 Gilles Boccon-Gibod
| Author: Gilles Boccon-Gibod (bok@bok.net)
|
****************************************************************/
/*----------------------------------------------------------------------
| NPT_WinRtUtils
+---------------------------------------------------------------------*/
class NPT_WinRtUtils {
public:
// unicode/ascii conversion
static LPWSTR A2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars, UINT acp);
static LPSTR W2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars, UINT acp);
static size_t LStrLenW(STRSAFE_LPCWSTR lpw);
};
/*----------------------------------------------------------------------
| macros
+---------------------------------------------------------------------*/
/* UNICODE support */
#define NPT_WINRT_USE_CHAR_CONVERSION int _convert = 0; LPCWSTR _lpw = NULL; LPCSTR _lpa = NULL
#define NPT_WINRT_A2W(lpa) (\
((_lpa = lpa) == NULL) ? NULL : (\
_convert = (int)(strlen(_lpa)+1),\
(INT_MAX/2<_convert)? NULL : \
NPT_WinRtUtils::A2WHelper((LPWSTR) alloca(_convert*sizeof(WCHAR)), _lpa, _convert, CP_UTF8)))
/* +2 instead of +1 temporary fix for Chinese characters */
#define NPT_WINRT_W2A(lpw) (\
((_lpw = lpw) == NULL) ? NULL : (\
(_convert = (NPT_WinRtUtils::LStrLenW(_lpw)+2), \
(_convert>INT_MAX/2) ? NULL : \
NPT_WinRtUtils::W2AHelper((LPSTR) alloca(_convert*sizeof(WCHAR)), _lpw, _convert*sizeof(WCHAR), CP_UTF8))))
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