/*
  exception.h - exception wrapping a gpgme error
  Copyright (C) 2007 Klarälvdalens Datakonsult AB

  This file is part of GPGME++.

  GPGME++ is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  GPGME++ 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 Library General Public License for more details.

  You should have received a copy of the GNU Library General Public License
  along with GPGME++; see the file COPYING.LIB.  If not, write to the
  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  Boston, MA 02110-1301, USA.
*/

// -*- c++ -*-
#ifndef __GPGMEPP_EXCEPTION_H__
#define __GPGMEPP_EXCEPTION_H__

#include <gpgme++/error.h>

#include <stdexcept>
#include <string>

namespace GpgME {

    class GPGMEPP_EXPORT Exception : public std::runtime_error {
    public:
        enum Options {
            NoOptions = 0x0,
            MessageOnly = 0x1,

            AllOptions = MessageOnly
        };

        explicit Exception( const GpgME::Error & err, const std::string & msg=std::string(), Options opt=NoOptions )
            : std::runtime_error( make_message( err, msg, opt ) ), m_error( err ), m_message( msg ) {}

        ~Exception() throw();

        Error error() const { return m_error; }
        const std::string & message() const { return m_message; }
    private:
        static std::string make_message( const GpgME::Error & err, const std::string & msg );
        static std::string make_message( const GpgME::Error & err, const std::string & msg, Options opt );
    private:
        const GpgME::Error m_error;
        const std::string m_message;
    };

} // namespace GpgME

#endif /* __GPGMEPP_EXCEPTION_H__ */
