#include "Transcoding.h"


wchar_t * ANSIToUnicode(const char* str) {
     int textlen;
     wchar_t * result;
     textlen = MultiByteToWideChar( CP_ACP, 0, str,-1, NULL,0 ); 
     result = (wchar_t *)malloc((textlen+1)*sizeof(wchar_t)); 
     memset(result,0,(textlen+1)*sizeof(wchar_t)); 
     MultiByteToWideChar(CP_ACP, 0,str,-1,(LPWSTR)result,textlen ); 
     return result; 
}
 
char * UnicodeToANSI( const wchar_t* str )
{
     char* result;
     int textlen;
     textlen = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
     result =(char *)malloc((textlen+1)*sizeof(char));
     memset( result, 0, sizeof(char) * ( textlen + 1 ) );
     WideCharToMultiByte( CP_ACP, 0, str, -1, result, textlen, NULL, NULL );
     return result;
}
 
wchar_t * UTF8ToUnicode( const char* str )
{
     int textlen;
     wchar_t * result;
     textlen = MultiByteToWideChar( CP_UTF8, 0, str,-1, NULL,0 ); 
     result = (wchar_t *)malloc((textlen+1)*sizeof(wchar_t)); 
     memset(result,0,(textlen+1)*sizeof(wchar_t)); 
     MultiByteToWideChar(CP_UTF8, 0,str,-1,(LPWSTR)result,textlen ); 
     return result; 
}
 
char * UnicodeToUTF8( const wchar_t* str )
{
     char* result;
     int textlen;
     textlen = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
     result =(char *)malloc((textlen+1)*sizeof(char));
     memset(result, 0, sizeof(char) * ( textlen + 1 ) );
     WideCharToMultiByte( CP_UTF8, 0, str, -1, result, textlen, NULL, NULL );
     return result;
}

/*??????????????Unicode - ANSI*/
char* w2m(const wchar_t* wcs)
{
      int len;
      char* buf;
      len =wcstombs(NULL,wcs,0);
      if (len == 0)
          return NULL;
      buf = (char *)malloc(sizeof(char)*(len+1));
      memset(buf, 0, sizeof(char) *(len+1));
      len =wcstombs(buf,wcs,len+1);
      return buf;
}
 
/*??????????????ANSI - Unicode*/
wchar_t* m2w(const char* mbs)
{
      int len;
      wchar_t* buf;
      len =mbstowcs(NULL,mbs,0);
      if (len == 0)
          return NULL;
      buf = (wchar_t *)malloc(sizeof(wchar_t)*(len+1));
      memset(buf, 0, sizeof(wchar_t) *(len+1));
      len =mbstowcs(buf,mbs,len+1);
      return buf;
}
 
char* ANSIToUTF8(const char* str)
{
     return UnicodeToUTF8(ANSIToUnicode(str));
}
 
char* UTF8ToANSI(const char* str)
{
     return UnicodeToANSI(UTF8ToUnicode(str));
}

