exception.h

/* Copyright (c) 2011-2015, Cedric Stalder <cedric.stalder@gmail.com>
 *                          Stefan.Eilemann@epfl.ch
 *
 * This file is part of Collage <https://github.com/Eyescale/Collage>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef CO_EXCEPTION_H
#define CO_EXCEPTION_H

#include <exception> // base class
#include <iostream>
#include <lunchbox/compiler.h>
#include <lunchbox/types.h>

namespace co
{
class Exception : public std::exception
{
public:
    enum Type
    {
        TIMEOUT_WRITE, 
        TIMEOUT_READ,  
        CUSTOM = 20    
    };

    explicit Exception(const uint32_t type)
        : _type(type)
    {
    }

    virtual ~Exception() throw() {}
    virtual uint32_t getType() const { return _type; }
    const char* what() const throw() override
    {
        switch (_type)
        {
        case Exception::TIMEOUT_WRITE:
            return " Timeout on write operation";
        case Exception::TIMEOUT_READ:
            return " Timeout on read operation";
        default:
            return " Unknown Exception";
        }
    }

private:
    const uint32_t _type;
};

inline std::ostream& operator<<(std::ostream& os, const Exception& e)
{
    return os << e.what();
}
}

#endif // CO_EXCEPTION_H