C + + stream and internationalization

Read-write Unicode (LE) code:

#include <iostream>#include<fstream>#include<locale>#include"TextCodeChange.h"using namespacestd;//#define ENDL L "\ r \ n"intMain () {Locale loc (Locale::classic (),New classnullcodecvt);    Wstring Wstr; Wifstream Wfin (L"Test.txt", ios_base::binary); Wofstream Wfout (L"Test1.txt", ios_base::binary);;    Wfout.imbue (Loc); wchar_t header[1] = {0xFEFF }; Wfout.write (header,1);    Wfin.imbue (Loc); Wcout.imbue (Locale (""));  while(Std::getline (Wfin, wstr))//While (Wfin >> wstr){wcout<< Wstr <<Endl; Wfout<< Wstr <<Endl;    } wfin.close ();    Wfout.close (); return 0;}

Header file TextCodeChange.h

usingstd::codecvt; typedef CODECVT< wchar_t,Char, mbstate_t >nullcodecvtbase;classNULLCODECVT: Publicnullcodecvtbase{ Public: typedef wchar_t _E; typedefChar_to;    typedef mbstate_t _ST; ExplicitNULLCODECVT (size_t _r=0): Nullcodecvtbase (_r) {}protected:    VirtualResult Do_in (_st&_state,Const_to* _f1,Const_to* _L1,Const_to*&_mid1, _e* F2, _e* _l2, _e*&_mid2)Const    {        returnNoconv; }    VirtualResult Do_out (_st&_state,Const_e* _f1,Const_e* _L1,Const_e*&_mid1, _to* F2, _e* _l2, _to*&_mid2)Const    {        returnNoconv; }    VirtualResult Do_unshift (_st&_state, _to* _f2, _to* _l2, _to*& _mid2)Const    {        returnNoconv; }    Virtual intDo_length (_st& _state,Const_to*_f1,Const_to* _l1, size_t _n2)Const_throw0 () {return(_n2 < (size_t) (_L1-_f1))? _N2: _L1-_f1; }    Virtual BOOLDo_always_noconv ()Const_throw0 () {return true ; }    Virtual intDo_max_length ()Const_throw0 () {return 2 ; }    Virtual intDo_encoding ()Const_throw0 () {return 2 ; }} ;

C + + stream and internationalization