Natools

      if Word_Maps.Has_Element (Cursor) then
         Word_Maps.Update_Element (Counter.Map, Cursor, Update'Access);
      else
         Word_Maps.Insert (Counter.Map, Word, Count);
      end if;
   end Add_Word;


   function Simple_Dictionary
     (Counter : in Word_Counter;
      Word_Count : in Natural)
     return String_Lists.List
   is
      use type Ada.Containers.Count_Type;
      Target_Count : constant Ada.Containers.Count_Type
        := Ada.Containers.Count_Type (Word_Count);
      Set : Scored_Word_Sets.Set;
      Result : String_Lists.List;
   begin
      for Cursor in Word_Maps.Iterate (Counter.Map) loop
         Scored_Word_Sets.Include (Set, To_Scored_Word (Cursor));

         if Scored_Word_Sets.Length (Set) > Target_Count then
            Scored_Word_Sets.Delete_Last (Set);
         end if;
      end loop;

      for Cursor in Scored_Word_Sets.Iterate (Set) loop
         Result.Append (Scored_Word_Sets.Element (Cursor).Word);
      end loop;

      return Result;
   end Simple_Dictionary;


   function To_Scored_Word (Cursor : in Word_Maps.Cursor)
     return Scored_Word
   is
      Word : constant String := Word_Maps.Key (Cursor);
   begin
      return Scored_Word'
        (Size => Word'Length,
         Word => Word,
         Score => Score_Value (Word_Maps.Element (Cursor)) * Word'Length);
   end To_Scored_Word;

end Natools.Smaz.Tools;