Function setUnit

engine/source/string/stringUnit.cpp:136–177

   const char* setUnit(const char *string, U32 index, const char *replace, const char *set)
   {
      U32 sz;
      const char *start = string;

      AssertFatal( dStrlen(string) + dStrlen(replace) + 1 < sizeof( _returnBuffer ), "Size of returned string too large for return buffer" );

      char *ret = &_returnBuffer[0];
      ret[0] = '\0';
      U32 padCount = 0;

      while(index--)
      {
         sz = dStrcspn(string, set);
         if(string[sz] == 0)
         {
            string += sz;
            padCount = index + 1;
            break;
         }
         else
            string += (sz + 1);
      }
      // copy first chunk
      sz = (U32)(string-start);
      dStrncpy(ret, start, sz);
      for(U32 i = 0; i < padCount; i++)
         ret[sz++] = set[0];

      // replace this unit
      ret[sz] = '\0';
      dStrcat(ret, replace);

      // copy remaining chunks
      sz = dStrcspn(string, set);         // skip chunk we're replacing
      if(!sz && !string[sz])
         return ret;

      string += sz;
      dStrcat(ret, string);
      return ret;
   }


   const char* removeUnit(const char *string, U32 index, const char *set)