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Comment:tools/smaz: add a statistics to the evaluation output
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 7b31b329d733baf9a0d9efbabef6edd147a04121
User & Date: nat on 2016-10-09 17:49:15
Other Links: manifest | tags
Context
2016-10-10
14:21
smaz-tools: add Evaluate_Dictionary_Partial to work on a single string check-in: 17783bc63e user: nat tags: trunk
2016-10-09
17:49
tools/smaz: add a statistics to the evaluation output check-in: 7b31b329d7 user: nat tags: trunk
2016-10-08
15:38
string_escapes: new package with helper functions to escape strings check-in: e266afb5fe user: nat tags: trunk
Changes
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Modified tools/smaz.adb from [3d7f94da33] to [80ca13ccbf].

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with Ada.Strings.Unbounded;
with Ada.Text_IO.Text_Streams;
with Natools.Getopt_Long;
with Natools.S_Expressions.Parsers;
with Natools.S_Expressions.Printers;
with Natools.Smaz.Tools;
with Natools.Smaz.Tools.GNAT;
with Natools.String_Escapes;

procedure Smaz is
   function To_SEA (S : String) return Ada.Streams.Stream_Element_Array
     renames Natools.S_Expressions.To_Atom;

   package Actions is
      type Enum is
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                        Ada.Strings.Both));
                     Sx_Output.Close_List;
                  end loop;
                  Sx_Output.Close_List;
               end if;

               if Handler.Stat_Output then
                  declare
                     type Score_Value is range 0 .. 2 ** 31 - 1;

                     function Length (E : Ada.Streams.Stream_Element)
                       return Score_Value
                       is (Natools.Smaz.Dict_Entry (Dictionary, E)'Length);

                     function Encoded (E : Ada.Streams.Stream_Element)
                       return Score_Value
                       is (Score_Value (Counts (E)) * Length (E));
                     function Frequency (E : Ada.Streams.Stream_Element)
                       return Score_Value
                       is (Score_Value (Counts (E)));
                     function Gain (E : Ada.Streams.Stream_Element)
                       return Score_Value
                       is (Score_Value (Counts (E)) * (Length (E) - 1));

                     procedure Print
                       (Label : in String;
                        E : in Ada.Streams.Stream_Element;
                        Score : in Score_Value);

                     procedure Print_Min_Max
                       (Label : in String;
                        Score : not null access function
                          (E : Ada.Streams.Stream_Element) return Score_Value);

                     procedure Print_Value
                       (Label : in String;
                        Score : not null access function
                          (E : Ada.Streams.Stream_Element) return Score_Value;
                        Ref : in Score_Value);


                     procedure Print
                       (Label : in String;
                        E : in Ada.Streams.Stream_Element;
                        Score : in Score_Value) is
                     begin
                        if Handler.Sx_Output then
                           Sx_Output.Open_List;
                           Sx_Output.Append_Atom ((0 => E));
                           Sx_Output.Append_String
                             (Natools.Smaz.Dict_Entry (Dictionary, E));
                           Sx_Output.Append_String (Ada.Strings.Fixed.Trim
                             (Score_Value'Image (Score), Ada.Strings.Both));
                           Sx_Output.Close_List;
                        else
                  Ada.Text_IO.Put_Line ("Not implemented yet");
               end if;
            end;
                           Ada.Text_IO.Put_Line
                             (Label
                              & Ada.Characters.Latin_1.HT
                              & Ada.Streams.Stream_Element'Image (E)
                              & Ada.Characters.Latin_1.HT
                              & Natools.String_Escapes.C_Escape_Hex
                                (Natools.Smaz.Dict_Entry (Dictionary, E), True)
                              & Ada.Characters.Latin_1.HT
                              & Score_Value'Image (Score));
                        end if;
                     end Print;

                     procedure Print_Min_Max
                       (Label : in String;
                        Score : not null access function
                          (E : Ada.Streams.Stream_Element) return Score_Value)
                     is
                        Min_Score, Max_Score : Score_Value := Score (0);
                        S : Score_Value;
                     begin
                        for E in 1 .. Dictionary.Dict_Last loop
                           S := Score (E);
                           if S < Min_Score then
                              Min_Score := S;
                           end if;
                           if S > Max_Score then
                              Max_Score := S;
                           end if;
                        end loop;

                        Print_Value ("best-" & Label, Score, Max_Score);
                        Print_Value ("worst-" & Label, Score, Min_Score);
                     end Print_Min_Max;

                     procedure Print_Value
                       (Label : in String;
                        Score : not null access function
                          (E : Ada.Streams.Stream_Element) return Score_Value;
                        Ref : in Score_Value) is
                     begin
                        if Handler.Sx_Output then
                           Sx_Output.Open_List;
                           Sx_Output.Append_String (Label);
                        end if;

                        for E in Dictionary.Offsets'Range loop
                           if Score (E) = Ref then
                              Print (Label, E, Ref);
                           end if;
                        end loop;

                        if Handler.Sx_Output then
                           Sx_Output.Close_List;
                        end if;
                     end Print_Value;
                  begin
                     Print_Min_Max ("encoded", Encoded'Access);
                     Print_Min_Max ("frequency", Frequency'Access);
                     Print_Min_Max ("gain", Gain'Access);
                  end;
               end if;
            end;
      end case;
   end Build_Dictionary;
end Smaz;

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