Function ConvertToWChar

src/String.cpp:1717–1751

{

wchar_t *ConvertToWChar(const char *inStr, int *ioLen)
{
   int len = ioLen ? *ioLen : strlen(inStr);

   wchar_t *result = (wchar_t *)NewGCPrivate(0,sizeof(wchar_t)*(len+1));
   int l = 0;

   unsigned char *b = (unsigned char *)inStr;
   for(int i=0;i<len;)
   {
      int c = b[i++];
      if (c==0) break;
      else if( c < 0x80 )
      {
        result[l++] = c;
      }
      else if( c < 0xE0 )
        result[l++] = ( ((c & 0x3F) << 6) | (b[i++] & 0x7F) );
      else if( c < 0xF0 )
      {
        int c2 = b[i++];
        result[l++] = ( ((c & 0x1F) << 12) | ((c2 & 0x7F) << 6) | ( b[i++] & 0x7F) );
      }
      else
      {
        int c2 = b[i++];
        int c3 = b[i++];
        result[l++] = ( ((c & 0x0F) << 18) | ((c2 & 0x7F) << 12) | ((c3 << 6) & 0x7F) | (b[i++] & 0x7F) );
      }
   }
   result[l] = '\0';
   if (ioLen)
      *ioLen = l;
   return result;
}