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with GNAT.Command_Line;
with GNAT.Strings;
with Ada.Command_Line;
with Ada.Text_IO; use Ada.Text_IO;
with Ada.Directories;
with Ada.Strings.Unbounded;
with Simple_Time;
with CSV;
with Candidates;
procedure STV is
package ACom renames Ada.Command_Line;
package GCom renames GNAT.Command_Line;
package GStr renames GNAT.Strings;
package File renames Ada.Directories;
package SU renames Ada.Strings.Unbounded;
use type File.File_Kind;
use type SU.Unbounded_String;
use type Simple_Time.Time;
Config : GCom.Command_Line_Configuration;
Further_Help : String := "Try ""stv --help"" for more information.";
-- I'm not fond of accesses to string accesses
Verbose : aliased Boolean;
Version : aliased Boolean;
Help : aliased Boolean;
Candidate_File : aliased GStr.String_Access;
Preference_File : aliased GStr.String_Access;
Output_Dir : aliased GStr.String_Access;
Number_To_Elect : aliased Integer;
State_String : aliased GStr.String_Access;
State : Candidates.State_Name;
Start_Time, Finish_Time : Simple_Time.Time;
Main_Log, Log_Msg : SU.Unbounded_String;
Log_File : File_Type;
Candidate_List : Candidates.Candidate_Vector;
Above_Ballot : Candidates.Above_Line_Ballot;
Below_Ballot : Candidates.Below_Line_Ballot;
begin
GCom.Define_Switch
(Config => Config, Output => Verbose'Access,
Switch => "-v", Long_Switch => "--verbose",
Help => "chatty output on stderr");
GCom.Define_Switch
(Config => Config, Output => Version'Access,
Switch => "-V", Long_Switch => "--version",
Help => "show version number");
-- technically not required, but included so
-- it will show up in the help output
GCom.Define_Switch
(Config => Config, Output => Help'Access,
Switch => "-h", Long_Switch => "--help",
Help => "show this help information");
GCom.Define_Switch
(Config => Config, Output => Candidate_File'Access,
Switch => "-c:", Long_Switch => "--candidates=",
Help => ".csv file containing AEC candidate data");
GCom.Define_Switch
(Config => Config, Output => Preference_File'Access,
Switch => "-p:", Long_Switch => "--preference=",
Help => ".csv file containing AEC formal preferences");
GCom.Define_Switch
(Config => Config, Output => Output_Dir'Access,
Switch => "-o:", Long_Switch => "--outdir=",
Help => "new directory to output count logging");
GCom.Define_Switch
(Config => Config, Output => Number_To_Elect'Access,
Switch => "-e:", Long_Switch => "--elect=",
Help => "number of candidates to elect");
GCom.Define_Switch
(Config => Config, Output => State_String'Access,
Switch => "-s:", Long_Switch => "--state=",
Help => "state or territory the data corresponds to");
GCom.Set_Usage
(Config => Config,
Usage => "[switches]",
Help => "Note that the -c, -p, -o, -e, -s options are all" & ASCII.LF &
"required for normal operation." & ASCII.LF);
-- parse options
begin
GCom.Getopt (Config);
exception
when GCom.Exit_From_Command_Line =>
ACom.Set_Exit_Status (ACom.Failure);
return;
when GCom.Invalid_Switch =>
ACom.Set_Exit_Status (ACom.Failure);
return;
end;
-- version display functionality
if Version then
Put_Line ("Australian STV Counter v0.2");
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
-- check candidate data option is valid
if Candidate_File.all = "" then
Put_Line ("Candidate data file not provided." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
if not File.Exists (Candidate_File.all) then
Put_Line ("Candidate data file does not exist." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
if File.Kind (Candidate_File.all) /= File.Ordinary_File then
Put_Line ("Candidate data file name appears to refer to a directory or special file." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
-- check preference data option is valid
if Preference_File.all = "" then
Put_Line ("Preference data file not provided." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
if not File.Exists (Preference_File.all) then
Put_Line ("Preference data file does not exist." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
if File.Kind (Preference_File.all) /= File.Ordinary_File then
Put_Line ("Preference data file name appears to refer to a directory or special file." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
-- check output directory option is valid
if Output_Dir.all = "" then
Put_Line ("Output logging directory not provided." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
if File.Exists (Output_Dir.all) then
Put_Line ("Output logging directory already exists." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end if;
-- check state option is valid
begin
State := Candidates.State_Name'Value (State_String.all);
exception
when Constraint_Error =>
Put_Line ("Invalid State/Territory or State/Territory not provided." & ASCII.LF & Further_Help);
ACom.Set_Exit_Status (ACom.Failure);
return;
end;
-- set up logging
File.Create_Directory (Output_Dir.all);
Start_Time := Simple_Time.Now;
Main_Log := SU.To_Unbounded_String (Output_Dir.all & "/" & "log.txt");
Log_Msg := SU.To_Unbounded_String ("Started election count at " & Simple_Time.To_String (Start_Time));
Create (Log_File, Append_File, SU.To_String (Main_Log));
Put_Line (Log_File, SU.To_String (Log_Msg));
Close (Log_File);
if Verbose then
Put_Line (Standard_Error, SU.To_String (Log_Msg));
end if;
-- set up the election processing
if Verbose then
Put_Line (Standard_Error, "Reading candidate data...");
end if;
Candidates.Read_Candidates (Candidate_File.all, State, Candidate_List);
Candidates.Generate_Ballots (Candidate_List, Above_Ballot, Below_Ballot);
if Verbose then
Put_Line (Standard_Error, "Reading preference data...");
end if;
-- read in preference data here
if Verbose then
Put_Line (Standard_Error, "Done." & ASCII.LF);
Put_Line (Standard_Error, "Setting up election...");
end if;
-- set up election here
if Verbose then
Put_Line (Standard_Error, "Done." & ASCII.LF);
end if;
-- run the show
if Verbose then
Put_Line (Standard_Error, "Running..." & ASCII.LF);
end if;
-- run election here
if Verbose then
New_Line (Standard_Error);
end if;
-- finish up logging
Finish_Time := Simple_Time.Now;
Log_Msg := SU.To_Unbounded_String
("Finished election count at " & Simple_Time.To_String (Finish_Time) & ASCII.LF &
Duration'Image (Finish_Time - Start_Time) & " seconds elapsed." & ASCII.LF);
Open (Log_File, Append_File, SU.To_String (Main_Log));
Put_Line (Log_File, SU.To_String (Log_Msg));
Close (Log_File);
if Verbose then
Put_Line (Standard_Error, SU.To_String (Log_Msg));
end if;
end STV;
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