StrU.h

Go to the documentation of this file.

//
//
#ifndef _INC_StrU_H
#define _INC_StrU_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "StrChar.h"
#include "StrConst.h"
#include "cUnitTestDecl.h"
 
namespace Gray
{
        struct GRAYCORE_LINK StrU // : public StrT // static
        {
 
                static const StrLen_t k_UTF8_SIZE_MAX = 4;      
 
                enum UTFLead_TYPE
                {
                        UTFLead_0 = 0xefU,              // Might be the first part of a UTF8 sequence or a special M$ signal.
                        UTFLead_1 = 0xbbU,
                        UTFLead_2 = 0xbfU,
                        UTFLead_X = 0xbeU,              // alternate.
                };
 
                static bool GRAYCALL IsUTFLead(const void* pvU);
 
                static StrLen_t GRAYCALL UTF8Size(wchar_t wChar, int& riStartBits);
                static StrLen_t GRAYCALL UTF8Size1(unsigned char chFirst, int& riStartBits);
                static StrLen_t GRAYCALL UTF8Size(const char* pInp, StrLen_t iSizeInpBytes, int& riStartBits);
                static StrLen_t GRAYCALL UTF8toUNICODE(wchar_t& wChar, const char* pInp, StrLen_t iSizeInpBytes);
                static StrLen_t GRAYCALL UNICODEtoUTF8(char* pOut, StrLen_t iSizeOutMaxBytes, wchar_t wChar);
 
                static StrLen_t GRAYCALL UTF8toUNICODELen(const char* pInp, StrLen_t iSizeInpBytes = k_StrLen_UNK);
                static StrLen_t GRAYCALL UNICODEtoUTF8Size(const wchar_t* pInp, StrLen_t iSizeInpChars = k_StrLen_UNK);
 
                static StrLen_t GRAYCALL UTF8toUNICODE(OUT wchar_t* pOut, StrLen_t iSizeOutMaxChars, const char* pInp, StrLen_t iSizeInpBytes = k_StrLen_UNK);
                static StrLen_t GRAYCALL UNICODEtoUTF8(OUT char* pOut, StrLen_t iSizeOutMaxBytes, const wchar_t* pInp, StrLen_t iSizeInpChars = k_StrLen_UNK);
 
                UNITTEST_FRIEND(StrU);
        };
}
 
#endif // _INC_StrU_H