Natools

   package Options is
      type Id is
        (Output_Ada_Dict,
         Dictionary_Input,
         Decode,
         Encode,
         Evaluate,
         Filter_Threshold,
         Output_Hash,
         Job_Count,
         Help,
         Sx_Dict_Output,
         Min_Sub_Size,
         Max_Sub_Size,
         Stat_Output,

      Stat_Output : Boolean := False;
      Sx_Output : Boolean := False;
      Sx_Dict_Output : Boolean := False;
      Min_Sub_Size : Positive := 1;
      Max_Sub_Size : Positive := 3;
      Max_Word_Size : Positive := 10;
      Job_Count : Natural := 0;
      Filter_Threshold : Natools.Smaz.Tools.String_Count := 0;
      Action : Actions.Enum := Actions.Nothing;
      Ada_Dictionary : Ada.Strings.Unbounded.Unbounded_String;
      Hash_Package : Ada.Strings.Unbounded.Unbounded_String;
      Dict_Source : Dict_Sources.Enum := Dict_Sources.S_Expression;
   end record;

   overriding procedure Option

            Handler.Max_Sub_Size := Positive'Value (Argument);

         when Options.Max_Word_Size =>
            Handler.Max_Word_Size := Positive'Value (Argument);

         when Options.Job_Count =>
            Handler.Job_Count := Natural'Value (Argument);

         when Options.Filter_Threshold =>
            Handler.Filter_Threshold
              := Natools.Smaz.Tools.String_Count'Value (Argument);
      end case;
   end Option;


   function Getopt_Config return Getopt.Configuration is
      use Getopt;
      use Options;
      R : Getopt.Configuration;
   begin
      R.Add_Option ("ada-dict",      'A', Optional_Argument, Output_Ada_Dict);
      R.Add_Option ("decode",        'd', No_Argument,       Decode);
      R.Add_Option ("dict",          'D', No_Argument,       Dictionary_Input);
      R.Add_Option ("encode",        'e', No_Argument,       Encode);
      R.Add_Option ("evaluate",      'E', No_Argument,       Evaluate);
      R.Add_Option ("filter",        'F', Required_Argument, Filter_Threshold);
      R.Add_Option ("help",          'h', No_Argument,       Help);
      R.Add_Option ("hash-pkg",      'H', Required_Argument, Output_Hash);
      R.Add_Option ("jobs",          'j', Required_Argument, Job_Count);
      R.Add_Option ("sx-dict",       'L', No_Argument,       Sx_Dict_Output);
      R.Add_Option ("min-substring", 'm', Required_Argument, Min_Sub_Size);
      R.Add_Option ("max-substring", 'M', Required_Argument, Max_Sub_Size);
      R.Add_Option ("stats",         's', No_Argument,       Stat_Output);

               Put_Line (Output, Indent & Indent
                 & "Evaluate the dictionary on the input given corpus");

            when Options.Job_Count =>
               New_Line (Output);
               Put_Line (Output, Indent & Indent
                 & "Number of parallel jobs in long calculations");

            when Options.Filter_Threshold =>
               Put_Line (Output, " <threshold>");
               Put_Line (Output, Indent & Indent
                 & "Before building a dictionary from substrings, remove");
               Put_Line (Output, Indent & Indent
                 & "substrings whose count is below the threshold.");
         end case;
      end loop;
   end Print_Help;

   function To_Dictionary
     (Handler : in Callback'Class;
      Input : in Natools.Smaz.Tools.String_Lists.List)
     return Natools.Smaz.Dictionary
   is
      use type Natools.Smaz.Tools.String_Count;
   begin
      case Handler.Dict_Source is
         when Dict_Sources.S_Expression =>
            return Natools.Smaz.Tools.To_Dictionary (Input, True);

         when Dict_Sources.Word_List =>
            declare
               Counter : Natools.Smaz.Tools.Word_Counter;
            begin
               for S of Input loop
                  Natools.Smaz.Tools.Add_Substrings
                    (Counter, S, Handler.Min_Sub_Size, Handler.Max_Sub_Size);

                  if Handler.Max_Word_Size > Handler.Max_Sub_Size then
                     Natools.Smaz.Tools.Add_Words
                       (Counter, S,
                        Handler.Max_Sub_Size + 1, Handler.Max_Word_Size);
                  end if;
               end loop;

               if Handler.Filter_Threshold > 0 then
                  Natools.Smaz.Tools.Filter_By_Count
                    (Counter, Handler.Filter_Threshold);
               end if;

               return Natools.Smaz.Tools.To_Dictionary
                 (Natools.Smaz.Tools.Simple_Dictionary (Counter, 254),
                  True);
            end;
      end case;
   end To_Dictionary;