protocol.hpp

#pragma once
#include "midi_message.hpp"
 
#include <type_traits>
 
namespace bugui
{
template <typename Tp>
concept speaks_usb = std::is_enum_v<typename Tp::usb>;
 
template <typename... Args>
concept sends_midi = (is_cc_out<Args...>
                      || is_sysex_out<Args...>
                      || is_on_off_out<Args...>);
 
template <typename... Args>
concept receives_midi = (is_cc_in<Args...>
                      || is_on_off_in<Args...>);
 
template <typename Tp>
concept speaks_midi = (std::is_enum_v<typename Tp::midi>
                       || !speaks_usb<Tp>);
 
template <typename Tp>
concept midi_component = speaks_midi<typename Tp::protocol_t>;
 
template <typename Tp>
concept has_protocol = (speaks_usb<Tp> || speaks_midi<Tp>);
 
} // namespace bugui