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72 lines
1.6 KiB
ObjectPascal
72 lines
1.6 KiB
ObjectPascal
unit LoggerPro.OutputDebugStringAppender;
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{ <@abstract(The unit to include if you want to use @link(TLoggerProOutputDebugStringAppender))
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@author(Daniele Teti) }
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interface
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uses
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LoggerPro, System.Classes;
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type
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{ @abstract(This appenders sends logs to the @code(OutputDebugString) function on Windows OSes)
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To learn how to use this appender, check the sample @code(outputdebugstring_appender.dproj)
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}
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TLoggerProOutputDebugStringAppender = class(TLoggerProAppenderBase)
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private
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FModuleName: string;
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public
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constructor Create; override;
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procedure Setup; override;
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procedure TearDown; override;
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procedure WriteLog(const aLogItem: TLogItem); override;
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end;
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implementation
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uses
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System.SysUtils,
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System.IOUtils
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{$IFDEF MSWINDOWS}
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, Winapi.Windows
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, Winapi.Messages
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{$ENDIF}
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;
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{ TStringsLogAppender }
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const
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DEFAULT_LOG_FORMAT = '%0:s [TID %1:-8d][%2:-10s] %3:s [%4:s]';
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constructor TLoggerProOutputDebugStringAppender.Create;
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begin
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inherited Create;
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end;
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procedure TLoggerProOutputDebugStringAppender.Setup;
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begin
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{$IFDEF MSWINDOWS}
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FModuleName := TPath.GetFileName(GetModuleName(HInstance));
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{$ENDIF}
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end;
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procedure TLoggerProOutputDebugStringAppender.TearDown;
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begin
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// do nothing
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end;
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procedure TLoggerProOutputDebugStringAppender.WriteLog(const aLogItem
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: TLogItem);
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{$IFDEF MSWINDOWS}
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var
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lLog: string;
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{$ENDIF}
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begin
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{$IFDEF MSWINDOWS}
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lLog := '(' + FModuleName + ') ' + Format(DEFAULT_LOG_FORMAT,
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[datetimetostr(aLogItem.TimeStamp), aLogItem.ThreadID,
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aLogItem.LogTypeAsString, aLogItem.LogMessage, aLogItem.LogTag]);
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OutputDebugString(PChar(lLog));
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{$ENDIF}
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end;
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end.
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