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Diffstat (limited to 'src/lib/JEDI-SDL/SDL/Pas/logger.pas')
| -rw-r--r-- | src/lib/JEDI-SDL/SDL/Pas/logger.pas | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/lib/JEDI-SDL/SDL/Pas/logger.pas b/src/lib/JEDI-SDL/SDL/Pas/logger.pas new file mode 100644 index 00000000..ad9b24e6 --- /dev/null +++ b/src/lib/JEDI-SDL/SDL/Pas/logger.pas @@ -0,0 +1,189 @@ +unit logger; +{ + $Id: logger.pas,v 1.2 2006/11/26 16:58:04 savage Exp $ + +} +{******************************************************************************} +{ } +{ Error Logging Unit } +{ } +{ The initial developer of this Pascal code was : } +{ Dominique Louis <Dominique@SavageSoftware.com.au> } +{ } +{ Portions created by Dominique Louis are } +{ Copyright (C) 2000 - 2001 Dominique Louis. } +{ } +{ } +{ } +{ Contributor(s) } +{ -------------- } +{ } +{ } +{ Obtained through: } +{ Joint Endeavour of Delphi Innovators ( Project JEDI ) } +{ } +{ You may retrieve the latest version of this file at the Project } +{ JEDI home page, located at http://delphi-jedi.org } +{ } +{ The contents of this file are used with permission, 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 express or } +{ implied. See the License for the specific language governing } +{ rights and limitations under the License. } +{ } +{ Description } +{ ----------- } +{ Logging functions... } +{ } +{ } +{ Requires } +{ -------- } +{ SDL.dll on Windows platforms } +{ libSDL-1.1.so.0 on Linux platform } +{ } +{ Programming Notes } +{ ----------------- } +{ } +{ } +{ } +{ } +{ Revision History } +{ ---------------- } +{ 2001 - DL : Initial creation } +{ 25/10/2001 - DRE : Added $M+ directive to allow published } +{ in classes. Added a compile directive } +{ around fmShareExclusive as this does not } +{ exist in Free Pascal } +{ } +{******************************************************************************} +{ + $Log: logger.pas,v $ + Revision 1.2 2006/11/26 16:58:04 savage + Modifed to create separate log files. Therefore each instance running from the same directory will have their own individual log file, prepended with a number. + + Revision 1.1 2004/02/05 00:08:20 savage + Module 1.0 release + + +} + +{$I jedi-sdl.inc} + +{$WEAKPACKAGEUNIT OFF} + +interface + +uses + Classes, + SysUtils; + +type + TLogger = class + private + FFileHandle : TextFile; + FApplicationName : string; + FApplicationPath : string; + protected + + public + constructor Create; + destructor Destroy; override; + function GetApplicationName: string; + function GetApplicationPath: string; + procedure LogError( ErrorMessage : string; Location : string ); + procedure LogWarning( WarningMessage : string; Location : string ); + procedure LogStatus( StatusMessage : string; Location : string ); + published + property ApplicationName : string read GetApplicationName; + property ApplicationPath : string read GetApplicationPath; + end; + +var + Log : TLogger; + +implementation + +{ TLogger } +constructor TLogger.Create; +var + FileName : string; + FileNo : integer; +begin + FApplicationName := ExtractFileName( ParamStr(0) ); + FApplicationPath := ExtractFilePath( ParamStr(0) ); + FileName := FApplicationPath + ChangeFileExt( FApplicationName, '.log' ); + FileNo := 0; + while FileExists( FileName ) do + begin + inc( FileNo ); + FileName := FApplicationPath + IntToStr( FileNo ) + ChangeFileExt( FApplicationName, '.log' ) + end; + AssignFile( FFileHandle, FileName ); + ReWrite( FFileHandle ); + (*inherited Create( FApplicationPath + ChangeFileExt( FApplicationName, '.log' ), + fmCreate {$IFNDEF FPC}or fmShareExclusive{$ENDIF} );*) +end; + +destructor TLogger.Destroy; +begin + CloseFile( FFileHandle ); + inherited; +end; + +function TLogger.GetApplicationName: string; +begin + result := FApplicationName; +end; + +function TLogger.GetApplicationPath: string; +begin + result := FApplicationPath; +end; + +procedure TLogger.LogError(ErrorMessage, Location: string); +var + S : string; +begin + S := '*** ERROR *** : @ ' + TimeToStr(Time) + ' MSG : ' + ErrorMessage + ' IN : ' + Location + #13#10; + WriteLn( FFileHandle, S ); + Flush( FFileHandle ); +end; + +procedure TLogger.LogStatus(StatusMessage, Location: string); +var + S : string; +begin + S := 'STATUS INFO : @ ' + TimeToStr(Time) + ' MSG : ' + StatusMessage + ' IN : ' + Location + #13#10; + WriteLn( FFileHandle, S ); + Flush( FFileHandle ); +end; + +procedure TLogger.LogWarning(WarningMessage, Location: string); +var + S : string; +begin + S := '=== WARNING === : @ ' + TimeToStr(Time) + ' MSG : ' + WarningMessage + ' IN : ' + Location + #13#10; + WriteLn( FFileHandle, S ); + Flush( FFileHandle ); +end; + +initialization +begin + Log := TLogger.Create; + Log.LogStatus( 'Starting Application', 'Initialization' ); +end; + +finalization +begin + Log.LogStatus( 'Terminating Application', 'Finalization' ); + Log.Free; + Log := nil; +end; + +end. +
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