apperror.h

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// OSB library ************************************************ -*- C++ -*-
/*
  AUTHOR(S): Stephan Broennimann (vb)

  RCS information
   $Name: OSB_060808 $
   $Revision: 1.2 $

  License
   OSB rating and billing library for communication networks
   Copyright (C) 2004, 2005, 2006  OSB systems

   This file may be distributed and/or modify under the terms of the
   GNU General Public License (GPL) as published by the Free Software
   Foundation which is provided in the file LICENSE.GPL included in the
   packaging of this file.

   The file 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 more details.

   Holders of a OSB Commercial License may use this file under the terms
   and conditions of this commercial license.
 */
#ifndef _APPERROR_H_
#define _APPERROR_H_

// ************************************************************************
// included header files
// + standard includes

// + libraries

// + local headers
#include "osberror.h"

// + class declarations

// ************************************************************************
// namespace extensions
namespace OSB_APP {

// ************************************************************************
// forward declarations

// ************************************************************************
// type definitions

// ************************************************************************
// class definitions

    class AppBaseError : public OSB_LIB::BaseError {
    public:
        explicit AppBaseError(ErrorNo e);
        AppBaseError(
                  ErrorNo no,
            const Args&   args
        );

        virtual ~AppBaseError() = 0;

    protected:
        AppBaseError(const AppBaseError& rhs);
        AppBaseError& operator=(const AppBaseError& rhs);

    private:
        static const std::string fileName_;
        // doc from base
        const std::string& fileName() const;
    };                                  // class AppBaseError

    class AppException : public AppBaseError {
    public:
        AppException(ErrorNo e);
        AppException(
                  ErrorNo no,
            const Args&   args
        );

        const char* const prefix() const;

    public:
        template<typename T>
        AppException& operator<<(const T& t);

    private:
        static const char* const prefix_;
    };

    class AppError : public AppBaseError {
    public:
        AppError();
        explicit AppError(ErrorNo e);
        AppError(
                  ErrorNo no,
            const Args&   args
        );

        const char* const prefix() const;

    private:
        static const char* const prefix_;
    };

}                                       // namespace OSB_APP

// ************************************************************************
// inline definitions
namespace OSB_APP {

    // ********************************************************************
    // class AppBaseError
    inline AppBaseError::AppBaseError(ErrorNo e)
       : BaseError(e)
    {
        // empty
    }

    inline AppBaseError::AppBaseError(
              ErrorNo no,
        const Args&   args
    ) : BaseError(no, args)
    {
        // empty
    }

    inline AppBaseError& AppBaseError::operator=(const AppBaseError& rhs)
    {
        BaseError::operator=(rhs);
        return *this;
    }

    inline AppBaseError::AppBaseError(const AppBaseError& rhs)
      : BaseError(rhs)
    {
        // empty
    }

    inline AppBaseError::~AppBaseError()
    {
        // empty
    }

    // ********************************************************************
    // class AppException
    inline AppException::AppException(ErrorNo e)
      : AppBaseError(e)
    {
        // empty
    }

    inline AppException::AppException(
              ErrorNo no,
        const Args&   args
    ) : AppBaseError(no, args)
    {
        // empty
    }

    inline const char* const AppException::prefix() const
    {
        return prefix_;
    }

    template<typename T>
    inline AppException& AppException::operator<<(const T& t)
    {
        BaseError::operator<<(t);
        return *this;
    }

    // ********************************************************************
    // class AppError
    inline AppError::AppError()
      : AppBaseError(noError_)
    {
        // empty
    }

    inline AppError::AppError(ErrorNo e)
      : AppBaseError(e)
    {
        // empty
    }

    inline AppError::AppError(
              ErrorNo no,
        const Args&   args
    ) : AppBaseError(no, args)
    {
        // empty
    }

    inline const char* const AppError::prefix() const
    {
        return prefix_;
    }
}                                       // namespace OSB_APP
#endif                                  // #ifndef _APPERROR_H_

---