Componentes.Terceros.jvcl/official/3.39/run/JvSerialMaker.pas
2010-01-18 16:55:50 +00:00

119 lines
3.5 KiB
ObjectPascal

{-----------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain A copy of the License at
http://www.mozilla.org/MPL/MPL-1.1.html
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
the specific language governing rights and limitations under the License.
The Original Code is: JvSerialMaker.PAS, released on 2001-02-28.
The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com]
Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse.
All Rights Reserved.
Contributor(s): Michael Beck [mbeck att bigfoot dott com].
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.delphi-jedi.org
Known Issues:
-----------------------------------------------------------------------------}
// $Id: JvSerialMaker.pas 12461 2009-08-14 17:21:33Z obones $
unit JvSerialMaker;
{$I jvcl.inc}
interface
uses
{$IFDEF UNITVERSIONING}
JclUnitVersioning,
{$ENDIF UNITVERSIONING}
SysUtils, Classes,
JvTypes, JvComponentBase;
type
TJvSerialMaker = class(TJvComponent)
private
FUserName: string;
FBase: Integer;
FSerial: string;
FDummy: string;
procedure ChangeUser(AUserName: string);
procedure ChangeBase(ABase: Integer);
public
function GiveSerial(ABase: Integer; AUserName: string): string;
function SerialIsCorrect(ABase: Integer; AUserName: string; Serial: string): Boolean;
published
property UserName: string read FUserName write ChangeUser;
property Base: Integer read FBase write ChangeBase;
{ Do not store dummies }
property Serial: string read FSerial write FDummy stored False;
end;
{$IFDEF UNITVERSIONING}
const
UnitVersioning: TUnitVersionInfo = (
RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/tags/JVCL3_39/run/JvSerialMaker.pas $';
Revision: '$Revision: 12461 $';
Date: '$Date: 2009-08-14 19:21:33 +0200 (ven., 14 août 2009) $';
LogPath: 'JVCL\run'
);
{$ENDIF UNITVERSIONING}
implementation
uses
JvResources;
procedure TJvSerialMaker.ChangeUser(AUserName: string);
begin
FUserName := AUserName;
FSerial := GiveSerial(Base, AUserName);
end;
procedure TJvSerialMaker.ChangeBase(ABase: Integer);
begin
FBase := ABase;
FSerial := GiveSerial(ABase, UserName);
end;
function TJvSerialMaker.GiveSerial(ABase: Integer; AUserName: string): string;
var
A: Integer;
begin
if (ABase <> 0) and (AUserName <> '') then
begin
A := ABase * Length(AUserName) + Ord(AUserName[1]) * 666;
Result := IntToStr(A) + '-';
A := ABase * Ord(AUserName[1]) * 123;
Result := Result + IntToStr(A) + '-';
A := ABase + (Length(AUserName) * Ord(AUserName[1])) * 6613;
Result := Result + IntToStr(A);
end
else
Result := RsError;
end;
function TJvSerialMaker.SerialIsCorrect(ABase: Integer; AUserName: string; Serial: string): Boolean;
begin
if (AUserName <> '') and (ABase <> 0) then
Result := Serial = GiveSerial(ABase, AUserName)
else
Result := False;
end;
{$IFDEF UNITVERSIONING}
initialization
RegisterUnitVersion(HInstance, UnitVersioning);
finalization
UnregisterUnitVersion(HInstance);
{$ENDIF UNITVERSIONING}
end.