Parameter.hpp

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/* This file is part of Evoral.
 * Copyright (C) 2008 David Robillard <http://drobilla.net>
 * Copyright (C) 2000-2008 Paul Davis
 *
 * Evoral 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.
 *
 * Evoral 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 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.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef EVORAL_PARAMETER_HPP
#define EVORAL_PARAMETER_HPP

#include <string>
#include <map>
#include <stdint.h>
#include <boost/shared_ptr.hpp>

#include "evoral/visibility.h"

namespace Evoral {

class LIBEVORAL_API Parameter
{
public:
        inline Parameter(uint32_t type, uint8_t channel=0, uint32_t id=0)
                : _type(type), _id(id), _channel(channel)
        {}

        inline uint32_t type()    const { return _type; }
        inline uint8_t  channel() const { return _channel; }
        inline uint32_t id()      const { return _id; }

        inline bool operator==(const Parameter& id) const {
                return (_type == id._type && _channel == id._channel && _id == id._id );
        }

        inline bool operator!=(const Parameter& id) const {
                return !operator==(id);
        }

        inline bool operator<(const Parameter& other) const {
                if (_type < other._type) {
                        return true;
                } else if (_type == other._type && _channel < other._channel) {
                        return true;
                } else if (_type == other._type && _channel == other._channel && _id < other._id ) {
                        return true;
                }

                return false;
        }

        inline operator bool() const { return (_type != 0); }

private:
        uint32_t _type;
        uint32_t _id;
        uint8_t  _channel;
};

} // namespace Evoral

#endif // EVORAL_PARAMETER_HPP