nec_exception.h

/***************************************************************************
 *   Copyright (C) 2004-2008 by Tim Molteno                                *
 *   tim@physics.otago.ac.nz                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, 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 more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef __nec_exception__
#define __nec_exception__

#include <string>
#include <sstream>

//#include "common.h"

class nec_exception
{
public:
        nec_exception()
        {
        }

        nec_exception(const char* message)
        {
                m_message << message;
        }

        nec_exception(const char* message, int code)
        {
                m_message << message << code;
        }
        
        template <class T> void append(const T& message)
        {
                m_message << message;
        }
        
        std::string get_message()
        {
                std::string ret = m_message.str();
                return ret;
        }

        static std::string string_printf(const char* fmt, ...);
        
protected:
        std::stringstream m_message;
};

#ifdef _MSC_VER
/*
        Visual C++ does not allow macros with variable argument lists. Therefore error messages
        will be meaningless when this is compiled using VC++, however at least it will compile!
*/
inline void nec_stop(const char* __fmt, ...)
{
         nec_exception* __nex = new nec_exception("Undefined Error");
        // __nex->os_printf(__fmt, __VA_ARGS__);
         throw __nex;
}
#else
#define nec_stop(__fmt, ...)\
{       nec_exception* __nex = new nec_exception();\
        std::string _mess = nec_exception::string_printf(__fmt, __VA_ARGS__); \
        __nex->append(_mess.c_str()); \
        throw __nex; \
}
#endif


#endif /* __nec_exception__ */