36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
procedure Smaz is
function To_SEA (S : String) return Ada.Streams.Stream_Element_Array
renames Natools.S_Expressions.To_Atom;
package Holders is new Ada.Containers.Indefinite_Holders
(Natools.Smaz.Dictionary, Natools.Smaz."=");
package Actions is
type Enum is
(Nothing,
Decode,
Encode,
Evaluate);
end Actions;
|
>
>
|
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
procedure Smaz is
function To_SEA (S : String) return Ada.Streams.Stream_Element_Array
renames Natools.S_Expressions.To_Atom;
package Holders is new Ada.Containers.Indefinite_Holders
(Natools.Smaz.Dictionary, Natools.Smaz."=");
type Score_Value is range 0 .. 2 ** 31 - 1;
package Actions is
type Enum is
(Nothing,
Decode,
Encode,
Evaluate);
end Actions;
|
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
Pending_Words : in out Natools.Smaz.Tools.String_Lists.List;
Input_Texts : in Natools.Smaz.Tools.String_Lists.List;
Job_Count : in Natural;
Updated : out Boolean);
-- Try to improve on Dict by replacing a single entry from it with
-- one of the substring in Pending_Words.
function Optimize_Dictionary
(Base : in Natools.Smaz.Dictionary;
Pending_Words : in Natools.Smaz.Tools.String_Lists.List;
Input_Texts : in Natools.Smaz.Tools.String_Lists.List;
Job_Count : in Natural)
return Natools.Smaz.Dictionary;
-- Optimize the dictionary on Input_Texts, starting with Base and
|
>
>
>
>
>
>
>
|
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
Pending_Words : in out Natools.Smaz.Tools.String_Lists.List;
Input_Texts : in Natools.Smaz.Tools.String_Lists.List;
Job_Count : in Natural;
Updated : out Boolean);
-- Try to improve on Dict by replacing a single entry from it with
-- one of the substring in Pending_Words.
function Length
(Dictionary : in Natools.Smaz.Dictionary;
E : in Ada.Streams.Stream_Element)
return Score_Value
is (Natools.Smaz.Dict_Entry (Dictionary, E)'Length);
-- Length of a dictionary entry
function Optimize_Dictionary
(Base : in Natools.Smaz.Dictionary;
Pending_Words : in Natools.Smaz.Tools.String_Lists.List;
Input_Texts : in Natools.Smaz.Tools.String_Lists.List;
Job_Count : in Natural)
return Natools.Smaz.Dictionary;
-- Optimize the dictionary on Input_Texts, starting with Base and
|
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
-- print the given dictionary in the given file
procedure Print_Help
(Opt : in Getopt.Configuration;
Output : in Ada.Text_IO.File_Type);
-- Print the help text to the given file
function To_Dictionary
(Handler : in Callback'Class;
Input : in Natools.Smaz.Tools.String_Lists.List)
return Natools.Smaz.Dictionary;
-- Convert the input into a dictionary given the option in Handler
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
-- print the given dictionary in the given file
procedure Print_Help
(Opt : in Getopt.Configuration;
Output : in Ada.Text_IO.File_Type);
-- Print the help text to the given file
function Score_Encoded
(Dictionary : in Natools.Smaz.Dictionary;
Counts : in Natools.Smaz.Tools.Dictionary_Counts;
E : Ada.Streams.Stream_Element)
return Score_Value
is (Score_Value (Counts (E)) * Length (Dictionary, E));
-- Score value using the amount of encoded data using E
function Score_Frequency
(Dictionary : in Natools.Smaz.Dictionary;
Counts : in Natools.Smaz.Tools.Dictionary_Counts;
E : Ada.Streams.Stream_Element)
return Score_Value
is (Score_Value (Counts (E)));
-- Score value using the number of times E was used
function Score_Gain
(Dictionary : in Natools.Smaz.Dictionary;
Counts : in Natools.Smaz.Tools.Dictionary_Counts;
E : Ada.Streams.Stream_Element)
return Score_Value
is (Score_Value (Counts (E)) * (Length (Dictionary, E) - 1));
-- Score value using the number of bytes saved using E
function To_Dictionary
(Handler : in Callback'Class;
Input : in Natools.Smaz.Tools.String_Lists.List)
return Natools.Smaz.Dictionary;
-- Convert the input into a dictionary given the option in Handler
|
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
|
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));
(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
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
>
>
|
>
>
>
|
>
|
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
|
Sx_Output.Close_List;
end loop;
Sx_Output.Close_List;
end if;
if Handler.Stat_Output then
declare
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
(D : in Natools.Smaz.Dictionary;
C : in Natools.Smaz.Tools.Dictionary_Counts;
E : in Ada.Streams.Stream_Element)
return Score_Value);
procedure Print_Value
(Label : in String;
Score : not null access function
(D : in Natools.Smaz.Dictionary;
C : in Natools.Smaz.Tools.Dictionary_Counts;
E : in 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
|
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
|
& 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;
|
>
>
|
>
|
>
|
>
>
|
>
|
|
|
|
|
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
|
& Score_Value'Image (Score));
end if;
end Print;
procedure Print_Min_Max
(Label : in String;
Score : not null access function
(D : in Natools.Smaz.Dictionary;
C : in Natools.Smaz.Tools.Dictionary_Counts;
E : in Ada.Streams.Stream_Element)
return Score_Value)
is
Min_Score, Max_Score : Score_Value
:= Score (Dictionary, Counts, 0);
S : Score_Value;
begin
for E in 1 .. Dictionary.Dict_Last loop
S := Score (Dictionary, Counts, 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
(D : in Natools.Smaz.Dictionary;
C : in Natools.Smaz.Tools.Dictionary_Counts;
E : in 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 (Dictionary, Counts, 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", Score_Encoded'Access);
Print_Min_Max ("frequency", Score_Frequency'Access);
Print_Min_Max ("gain", Score_Gain'Access);
end;
end if;
end;
end case;
end Build_Dictionary;
end Smaz;
|