libcruft-util/except.hpp

/*
 * This file is part of libgim.
 *
 * libgim 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 3 of the License, or (at your option) any later
 * version.
 *
 * libgim 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 libgim.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2010 Danny Robson <danny@nerdcruft.net>
 */


#ifndef __EXCEPT_HPP
#define __EXCEPT_HPP

#include "platform.hpp"

#include <stdexcept>


namespace util {
    class input_error : public std::runtime_error {
        public:
            input_error (const std::string &_what):
                    runtime_error (_what)
            { ; }
    };


    class output_error : public std::runtime_error {
        public:
            output_error (const std::string &_what):
                runtime_error (_what)
            { ; }
    };


    class unavailable_error : public std::runtime_error {
        public:
            unavailable_error (const std::string &_what):
                    runtime_error (_what)
            { ; }
    };


    /// An exception class used for reporting errors signalled by errno.
    class errno_error : public std::runtime_error {
        public:
            int id;
            errno_error (int _errno);
            errno_error ();

            static void try_code (void);
            static void try_code (int code);

            static void throw_code (void);
            static void throw_code (int code);
    };


#if defined(PLATFORM_WIN32)
#include <windows.h>

    class win32_error : public std::runtime_error {
        public:
            DWORD id;

            win32_error (DWORD _id);
            win32_error ();

            static void try_code (void);
            static void throw_code (void);
    };
#endif
}

#endif