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// $Id: RerrMsg.hpp 493 2013-03-01 21:02:33Z mueller $

//

// Copyright 2011-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

//

// This program is free software; you may redistribute and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation, either version 2, or at your option any later version.

//

// This program is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY

// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for complete details.

// 

// Revision History: 

// Date         Rev Version  Comment

// 2013-01-12   474   1.2    add meth+text and meth+text+errnum ctors

// 2011-02-06   359   1.1    use references in interface

// 2011-01-15   356   1.0    Initial version

// ---------------------------------------------------------------------------

/*!

  \file

  \version $Id: RerrMsg.hpp 493 2013-03-01 21:02:33Z mueller $

  \brief   Declaration of class RerrMsg.

*/

#ifndef included_Retro_RerrMsg

#define included_Retro_RerrMsg 1

#include <string>

#include <ostream>

namespace Retro {

  class RerrMsg {

    public:

                    RerrMsg();

                    RerrMsg(const RerrMsg& rhs);

                    RerrMsg(const std::string& meth, const std::string& text);

                    RerrMsg(const std::string& meth, const std::string& text,

                            int errnum);

                    ~RerrMsg();

      void          Init(const std::string& meth, const std::string& text);

      void          InitErrno(const std::string& meth,

                              const std::string& text, int errnum);

      void          InitPrintf(const std::string& meth,

                               const char* format, ...);

      void          SetMeth(const std::string& meth);

      void          SetText(const std::string& text);

      void          Prepend(const std::string& meth);

      void          Append(const std::string& text);

      void          AppendErrno(int errnum);

      void          AppendPrintf(const char* format, ...);

      const std::string& Meth() const;

      const std::string& Text() const;

      std::string   Message() const;

      void          Swap(RerrMsg& rhs);

      RerrMsg&      operator=(const RerrMsg& rhs);

                    operator std::string() const;

    protected:

      std::string   fMeth;                  //!< originating method

      std::string   fText;                  //!< message text

  };

  std::ostream&     operator<<(std::ostream& os, const RerrMsg& obj);

} // end namespace Retro

#include "RerrMsg.ipp"

#endif