Exceptions.hpp

// -*- C++ -*-
/*
 *    Copyright (C) 2021 Joshua Boudreau <jboudreau@45drives.com>
 *
 *    This file is part of lib45d.
 *
 *    lib45d 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.
 *
 *    lib45d 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 lib45d.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <string>
 
namespace ffd {
    class Exception {
    public:
        Exception(const std::string &what, int err = 0) noexcept : what_(what), errno_(err) {}
        const char *what(void) const noexcept {
            return what_.c_str();
        }
        int get_errno(void) const noexcept {
            return errno_;
        }
    private:
        std::string what_; 
        int errno_;        
    };
 
    class ByteParseException : public Exception {
    private:
        std::string what_; 
    public:
        ByteParseException(const std::string &what) noexcept : Exception(what) {}
    };
 
    class QuotaParseException : public Exception {
    private:
        std::string what_; 
    public:
        QuotaParseException(const std::string &what) noexcept : Exception(what) {}
    };
} // namespace ffd