SessionLog.h

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#ifndef SessionLog_h
#define SessionLog_h

#include <string>
#include "Pvl.h"
#include "IException.h"

namespace Isis {
  class SessionLog : private Isis::Pvl {
    public:
      static SessionLog &TheLog(bool restart = false);
      static bool HasLog() {
        return p_log != NULL;
      };

      // Add the Results group
      void AddResults(Isis::PvlGroup &results);

      // Write the log to the screen and/or file
      void Write();

      // Add an Error to the log
      void AddError(Isis::Pvl &e);

      // Will we be logging to the terminal?
      bool TerminalOutput() {
        return p_termOutput;
      };

    private:
      SessionLog();
      ~SessionLog();

      PvlObject *p_root;
      bool p_errorAdded;

      bool p_termOutput;
      bool p_fileOutput;
      QString p_outputFile;
      QString p_access;

      static SessionLog *p_log;

      bool p_acctAdded;
      void AddAccounting();
      friend std::ostream &operator<<(std::ostream &os, Isis::SessionLog &log);
      static void Shutdown();
  };
};

#endif