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{ Directory cleaner - command-line interface
Copyright (C) 2007 Michael Van Canneyt michael@freepascal.org
This source is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This code is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
A copy of the GNU General Public License is available on the World Wide Web
at <http://www.gnu.org/copyleft/gpl.html>. You can also obtain it by writing
to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1335, USA.
}
program cleandir;
{$mode objfpc}{$H+}
uses
Classes,
SysUtils,
CustApp,
dircleaner;
ResourceString
SErrNoConfig = 'No configuration file found.';
SErrInvalidConfig = 'Configuration file "%s" does not exist.';
SErrNoDirectories = 'No directories to clean';
SUsage0 = 'Usage: %s [options] directory1 ... directoryN';
SUsage1 = 'Where options is one or more of:';
SUsageh = '-h --help This help message';
SUsagec = '-c --config=file Filename for configuration data';
SUsagev = '-v --verbose Log more messages';
SUsagel = '-l --logonly Only log actions, do not execute commands';
SUsageq = '-q --quiet Do not log actions (disables -l)';
SUsages = '-s --stoponerror Stop at the first error.';
SUsager = '-r --recurse Recurse directories specified on command-line';
SUsaged = '-d --standarddirs Clean standard dirs from configuration file';
Type
{ TCleanDirs }
TRunMode = (rmHelp,rmExecute);
TCleanDir = Class (TCustomApplication)
private
FCleaner: TCleanDirs;
Function ProcessCommandLine : TRunMode;
Public
Constructor Create(AOwner : TComponent); override;
Procedure DoRun; override;
Procedure Usage;
Procedure OnLog(Msg : String);
Property Cleaner : TCleanDirs Read FCleaner;
end;
{ TCleanDir }
Var
Application : TCleanDir;
function TCleanDir.ProcessCommandLine: TRunMode;
Const
OptCount = 8;
Opts : Array[1..OptCount] of string =
('help','config','verbose','logonly','quiet',
'stoponerror','recurse','standarddirs');
OptChars = 'hcvlqsrd';
Var
FN : String;
OptL,Dirs : TStrings;
I : integer;
begin
Result:=rmHelp;
If HasOption('h','help') then
Exit;
Dirs:=TStringList.Create;
try
OptL:=TStringList.Create;
try
For I:=1 to OptCount do
OptL.Add(Opts[i]);
FN:=CheckOptions(OptChars,OptL,Nil,Dirs);
finally
OptL.Free;
end;
If (FN<>'') then
begin
Writeln(StdErr,FN);
Exit;
end;
FN:='';
If HasOption('c','config') then
begin
FN:=Self.GetOptionValue('c','config');
If Not FileExists(FN) then
begin
Writeln(StdErr,format(SErrInvalidConfig,[FN]));
Exit;
end;
end
else
begin
FN:=GetAppConfigFile(false,false);
If Not FileExists(FN) then
begin
FN:=GetAppConfigFile(True,false);
If Not FileExists(FN) then
FN:='';
end;
If (FN='') then
begin
Writeln(StdErr,SErrNoConfig);
Exit;
end;
end;
FCleaner.LoadFromFile(FN);
If Not HasOption('q','quiet') then
begin
FCleaner.OnLog:=@Self.OnLog;
FCleaner.LogAllFiles:=HasOption('v','verbose');
FCleaner.LogOnly:=HasOption('l','logonly');
end;
If Hasoption('s','stoponerror') then
FCleaner.StopOnError:=True;
if Not HasOption('d','standarddirs') then
FCleaner.Directories.Clear;
If (Dirs.Count>0) then
begin
For I:=0 to Dirs.Count-1 do
With FCleaner.Directories.AddDirectory do
begin
Path:=Dirs[i];
Enabled:=True;
Recurse:=HasOption('r','recurse');
end;
end;
If (FCleaner.Directories.Count=0) then
Writeln(StdErr,SErrNoDirectories)
else
Result:=rmExecute;
Finally
Dirs.Free;
end;
end;
constructor TCleanDir.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FCleaner:=TCleanDirs.Create(Self);
StopOnException:=True;
end;
procedure TCleanDir.DoRun;
begin
Case ProcessCommandLine of
rmHelp : Usage;
rmExecute : FCleaner.Execute;
end;
Terminate;
end;
procedure TCleanDir.Usage;
begin
Writeln(Format(SUsage0,[ExtractFileName(paramstr(0))]));
Writeln(SUsage1);
Writeln(SUsagec);
Writeln(SUsaged);
Writeln(SUsageh);
Writeln(SUsagel);
Writeln(SUsageq);
Writeln(SUsager);
Writeln(SUsages);
Writeln(SUsagev);
end;
procedure TCleanDir.OnLog(Msg: String);
begin
Writeln(Msg);
end;
begin
OnGetApplicationName:=@CleanDirApp;
Application:=TCleandir.Create(nil);
Application.Title:='cleandisk';
Application.Run;
Application.Free;
end.
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