Overview
| Comment: | tools/smaz: add decompression of an input list of encoded strings |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
6f2cf4bf8814cfd5a4f3ddaa1b83d725 |
| User & Date: | nat on 2016-09-26 21:22:02 |
| Other Links: | manifest | tags |
Context
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2016-09-27
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| 21:05 | smaz-tools: add an accumulator for word count (for dictionary building) check-in: a901e5c1a7 user: nat tags: trunk | |
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2016-09-26
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| 21:22 | tools/smaz: add decompression of an input list of encoded strings check-in: 6f2cf4bf88 user: nat tags: trunk | |
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2016-09-25
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| 21:14 | smaz: add missing documentation comments check-in: 9922c8afaf user: nat tags: trunk | |
Changes
Modified tools/smaz.adb from [4e03e17862] to [fcd1ed8809].
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with Natools.Getopt_Long;
with Natools.S_Expressions.Parsers;
with Natools.S_Expressions.Printers;
with Natools.Smaz.Tools;
with Natools.Smaz.Tools.GNAT;
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
(Nothing,
Decode,
Encode);
end Actions;
package Options is
type Id is
(Output_Ada_Dictionary,
Decode,
Encode,
Output_Hash,
Help,
Stat_Output,
No_Stat_Output,
Sx_Output,
No_Sx_Output);
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Id : in Options.Id;
Argument : in String) is
begin
case Id is
when Options.Help =>
Handler.Display_Help := True;
when Options.Decode =>
Handler.Need_Dictionary := True;
Handler.Action := Actions.Decode;
when Options.Encode =>
Handler.Need_Dictionary := True;
Handler.Action := Actions.Encode;
when Options.No_Stat_Output =>
Handler.Stat_Output := False;
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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_Dictionary);
R.Add_Option ("decode", 'd', No_Argument, Decode);
R.Add_Option ("encode", 'e', No_Argument, Encode);
R.Add_Option ("help", 'h', No_Argument, Help);
R.Add_Option ("hash-pkg", 'H', Required_Argument, Output_Hash);
R.Add_Option ("stats", 's', No_Argument, Stat_Output);
R.Add_Option ("no-stats", 'S', No_Argument, No_Stat_Output);
R.Add_Option ("s-expr", 'x', No_Argument, Sx_Output);
R.Add_Option ("no-s-expr", 'X', No_Argument, No_Sx_Output);
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case Id is
when Options.Help =>
New_Line (Output);
Put_Line (Output, Indent & Indent
& "Display this help text");
when Options.Decode =>
New_Line (Output);
Put_Line (Output, Indent & Indent
& "Read a list of strings and decode them");
when Options.Encode =>
New_Line (Output);
Put_Line (Output, Indent & Indent
& "Read a list of strings and encode them");
when Options.No_Stat_Output =>
New_Line (Output);
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if Hash_Package'Length > 0 then
Natools.Smaz.Tools.GNAT.Build_Perfect_Hash (Input_List, Hash_Package);
end if;
case Handler.Action is
when Actions.Nothing => null;
when Actions.Decode =>
if Handler.Sx_Output then
Sx_Output.Open_List;
for S of Input_Data loop
Sx_Output.Append_String
(Natools.Smaz.Decompress (Dictionary, To_SEA (S)));
end loop;
Sx_Output.Close_List;
end if;
if Handler.Stat_Output then
declare
procedure Print_Line (Original, Output : Natural);
procedure Print_Line (Original, Output : Natural) is
begin
Ada.Text_IO.Put_Line
(Natural'Image (Original)
& Ada.Characters.Latin_1.HT
& Natural'Image (Output)
& Ada.Characters.Latin_1.HT
& Float'Image (Float (Original) / Float (Output)));
end Print_Line;
Original_Total : Natural := 0;
Output_Total : Natural := 0;
begin
for S of Input_Data loop
declare
Original_Size : constant Natural := S'Length;
Output_Size : constant Natural
:= Natools.Smaz.Decompress
(Dictionary, To_SEA (S))'Length;
begin
Print_Line (Original_Size, Output_Size);
Original_Total := Original_Total + Original_Size;
Output_Total := Output_Total + Output_Size;
end;
end loop;
Print_Line (Original_Total, Output_Total);
end;
end if;
when Actions.Encode =>
if Handler.Sx_Output then
Sx_Output.Open_List;
for S of Input_Data loop
Sx_Output.Append_Atom
(Natools.Smaz.Compress (Dictionary, S));
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