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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_TYPE_MAP_HPP
#define EVORAL_TYPE_MAP_HPP
#include <stdint.h>
#include <string>
#include "evoral/visibility.h"
namespace Evoral {
class Parameter;
class ParameterDescriptor;
/** The applications passes one of these which provide the implementation
* with required information about event types in an opaque, type neutral way
*/
class /*LIBEVORAL_API*/ TypeMap {
public:
virtual ~TypeMap() {}
/** Return true iff the type is a MIDI event.
* The contents of the event will be used for specific ID
*/
virtual bool type_is_midi(uint32_t type) const = 0;
/** Return the MIDI type (ie status byte with channel 0) for a
* parameter, or 0 if parameter can not be expressed as a MIDI event
*/
virtual uint8_t parameter_midi_type(const Parameter& param) const = 0;
/** The type ID for a MIDI event with the given status byte
*/
virtual uint32_t midi_event_type(uint8_t status) const = 0;
/** Return the description of a parameter. */
virtual ParameterDescriptor descriptor(const Parameter& param) const = 0;
virtual std::string to_symbol(const Parameter& param) const = 0;
};
} // namespace Evoral
#endif // EVORAL_TYPE_MAP_HPP
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