Function _hx_utf8_sub

src/String.cpp:731–760

}

String _hx_utf8_sub(String inString, int inStart, int inLen)
{
   #ifdef HX_SMART_STRINGS
   return inString.substr(inStart,inLen);
   #else
   const unsigned char *src = (const unsigned char *)inString.__s;
   const unsigned char *end = src + inString.length;

   const unsigned char *sLen = getUtf8LenArray();
   for(int i=0;i<inStart;i++)
   {
      src += sLen[*src];

      if (src==end)
         return String::emptyString;
      if (src>end)
         hx::Throw(HX_CSTRING("Invalid UTF8"));
   }
   const unsigned char *start = src;
   for(int i=0;i<inLen;i++)
   {
      src += sLen[*src];
      if (src==end)
         break;
      if (src>end)
         hx::Throw(HX_CSTRING("Invalid UTF8"));
   }
   return String::create((const char *)start, src-start);
   #endif
}