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use std::fmt::Formatter;
use coremidi_sys::MIDIProtocolID;
/// The [MIDI Protocol](https://developer.apple.com/documentation/coremidi/midiprotocolid) to use for messages
///
#[derive(Clone, Copy, PartialEq)]
pub enum Protocol {
/// MIDI 1.0
Midi10,
/// MIDI 2.0
Midi20,
/// Reserved for future protocols not known by this crate yet
/// Please don't use it, unless really needed.
Unknown(MIDIProtocolID),
}
impl From<MIDIProtocolID> for Protocol {
fn from(protocol_id: MIDIProtocolID) -> Self {
match protocol_id as ::std::os::raw::c_uint {
coremidi_sys::kMIDIProtocol_1_0 => Protocol::Midi10,
coremidi_sys::kMIDIProtocol_2_0 => Protocol::Midi20,
_ => Protocol::Unknown(protocol_id),
}
}
}
impl From<Protocol> for MIDIProtocolID {
fn from(protocol: Protocol) -> Self {
match protocol {
Protocol::Midi10 => coremidi_sys::kMIDIProtocol_1_0 as MIDIProtocolID,
Protocol::Midi20 => coremidi_sys::kMIDIProtocol_2_0 as MIDIProtocolID,
Protocol::Unknown(protocol_id) => protocol_id,
}
}
}
impl std::fmt::Debug for Protocol {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
Self::Midi10 => write!(f, "MIDI 1.0"),
Self::Midi20 => write!(f, "MIDI 2.0"),
Self::Unknown(protocol_id) => write!(f, "Unknown({})", protocol_id),
}
}
}