x2log/X2Log.Constants.pas

unit X2Log.Constants;

interface
uses
  X2Log.Intf;


resourcestring
  LogLevelVerbose = 'Verbose';
  LogLevelInfo = 'Info';
  LogLevelWarning = 'Warning';
  LogLevelError = 'Error';


  {
    X2Log.Observer.LogFile
  }

  { Date format used to determine the file name of detail files }
  LogFileNameDateFormat = 'ddmmyyyy_hhnn';

  { Date format used in log files }
  LogFileLineDateFormat = 'dd-mm-yy hh:nn';

  { The text added to the message if details are stored externally }
  LogFileLineDetails = ' (details: %s)';


  {
    X2Log.Observer.MonitorForm
  }

  { Caption of the monitor form. %s is optional and will be replaced
    with the application's title }
  LogMonitorFormCaption = '%s - Live Log';

  { Caption of the columns in the live log view }
  LogMonitorFormColumnTime = 'Time';
  LogMonitorFormColumnMessage = 'Message';



  function GetLogLevelText(ALogLevel: TX2LogLevel): string;

  function GetLogResourceString(AResourceString: Pointer): string;
  procedure SetLogResourceString(AResourceString: Pointer; const AValue: string);


implementation
uses
  System.Generics.Collections,
  System.SysUtils;


var
  LogResourceStringMap: TDictionary<Pointer,string>;



function GetLogLevelText(ALogLevel: TX2LogLevel): string;
begin
  case ALogLevel of
    TX2LogLevel.Verbose:    Result := GetLogResourceString(@LogLevelVerbose);
    TX2LogLevel.Info:       Result := GetLogResourceString(@LogLevelInfo);
    TX2LogLevel.Warning:    Result := GetLogResourceString(@LogLevelWarning);
    TX2LogLevel.Error:      Result := GetLogResourceString(@LogLevelError);
  end;
end;


function GetLogResourceString(AResourceString: Pointer): string;
begin
  TMonitor.Enter(LogResourceStringMap);
  try
    if LogResourceStringMap.ContainsKey(AResourceString) then
      Result := LogResourceStringMap[AResourceString]
    else
      Result := LoadResString(AResourceString);
  finally
    TMonitor.Exit(LogResourceStringMap);
  end;
end;


procedure SetLogResourceString(AResourceString: Pointer; const AValue: string);
begin
  TMonitor.Enter(LogResourceStringMap);
  try
    LogResourceStringMap.AddOrSetValue(AResourceString, AValue);
  finally
    TMonitor.Exit(LogResourceStringMap);
  end;
end;


initialization
  LogResourceStringMap := TDictionary<Pointer,string>.Create;

finalization
  FreeAndNil(LogResourceStringMap);

end.