oysteikt/mpvipc-async
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mpvipc-async
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wrap event data in `Option`

This commit is contained in:
Oystein Kristoffer Tveit 2024-05-03 16:11:31 +02:00
parent 38a44a6a78
commit 9754a94192
3 changed files with 65 additions and 48 deletions
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12
src/event_parser.rs
View File

@ -111,7 +111,7 @@ pub enum Event {
PropertyChange {
id: usize,
name: String,
data: MpvDataType,
data: Option<MpvDataType>,
},
EventQueueOverflow,
None,
@ -292,17 +292,11 @@ fn parse_client_message(event: &Map<String, Value>) -> Result<Event, MpvError> {
fn parse_property_change(event: &Map<String, Value>) -> Result<Event, MpvError> {
let id = get_key_as!(as_u64, "id", event) as usize;
let property_name = get_key_as!(as_str, "name", event);
let data = event
.get("data")
.ok_or(MpvError::MissingKeyInObject {
key: "data".to_owned(),
map: event.clone(),
})?
.clone();
let data = event.get("data").map(|d| json_to_value(d)).transpose()?;
Ok(Event::PropertyChange {
id,
name: property_name.to_string(),
data: json_to_value(&data)?,
data: data,
})
}

96
src/event_property_parser.rs
View File

@ -34,7 +34,7 @@ pub enum Property {
Speed(f64),
Volume(f64),
Mute(bool),
Unknown { name: String, data: MpvDataType },
Unknown { name: String, data: Option<MpvDataType> },
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
@ -58,34 +58,40 @@ pub fn parse_event_property(event: Event) -> Result<(usize, Property), MpvError>
match name.as_str() {
"path" => {
let path = match data {
MpvDataType::String(s) => Some(s),
MpvDataType::Null => None,
_ => {
Some(MpvDataType::String(s)) => Some(s),
Some(MpvDataType::Null) => None,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "String".to_owned(),
received: data,
})
}
None => {
return Err(MpvError::MissingMpvData);
}
};
Ok((id, Property::Path(path)))
}
"pause" => {
let pause = match data {
MpvDataType::Bool(b) => b,
_ => {
Some(MpvDataType::Bool(b)) => b,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "bool".to_owned(),
received: data,
})
}
None => {
return Err(MpvError::MissingMpvData);
}
};
Ok((id, Property::Pause(pause)))
}
"playback-time" => {
let playback_time = match data {
MpvDataType::Double(d) => Some(d),
MpvDataType::Null => None,
_ => {
Some(MpvDataType::Double(d)) => Some(d),
None | Some(MpvDataType::Null) => None,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "f64".to_owned(),
received: data,
@ -96,9 +102,9 @@ pub fn parse_event_property(event: Event) -> Result<(usize, Property), MpvError>
}
"duration" => {
let duration = match data {
MpvDataType::Double(d) => Some(d),
MpvDataType::Null => None,
_ => {
Some(MpvDataType::Double(d)) => Some(d),
None | Some(MpvDataType::Null) => None,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "f64".to_owned(),
received: data,
@ -109,9 +115,9 @@ pub fn parse_event_property(event: Event) -> Result<(usize, Property), MpvError>
}
"metadata" => {
let metadata = match data {
MpvDataType::HashMap(m) => Some(m),
MpvDataType::Null => None,
_ => {
Some(MpvDataType::HashMap(m)) => Some(m),
None | Some(MpvDataType::Null) => None,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "HashMap".to_owned(),
received: data,
@ -130,10 +136,11 @@ pub fn parse_event_property(event: Event) -> Result<(usize, Property), MpvError>
// }
"playlist-pos" => {
let playlist_pos = match data {
MpvDataType::Usize(u) => Some(u),
MpvDataType::MinusOne => None,
MpvDataType::Null => None,
_ => {
Some(MpvDataType::Usize(u)) => Some(u),
Some(MpvDataType::MinusOne) => None,
Some(MpvDataType::Null) => None,
None => None,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "usize or -1".to_owned(),
received: data,
@ -144,76 +151,91 @@ pub fn parse_event_property(event: Event) -> Result<(usize, Property), MpvError>
}
"loop-file" => {
let loop_file = match data.to_owned() {
MpvDataType::Usize(n) => Some(LoopProperty::N(n)),
MpvDataType::Bool(b) => match b {
Some(MpvDataType::Usize(n)) => Some(LoopProperty::N(n)),
Some(MpvDataType::Bool(b)) => match b {
true => Some(LoopProperty::Inf),
false => Some(LoopProperty::No),
},
MpvDataType::String(s) => match s.as_str() {
Some(MpvDataType::String(s)) => match s.as_str() {
"inf" => Some(LoopProperty::Inf),
_ => None,
},
_ => None,
}
.ok_or(MpvError::DataContainsUnexpectedType {
expected_type: "'inf', bool, or usize".to_owned(),
received: data,
.ok_or(match data {
Some(data) => MpvError::DataContainsUnexpectedType {
expected_type: "'inf', bool, or usize".to_owned(),
received: data,
},
None => MpvError::MissingMpvData,
})?;
Ok((id, Property::LoopFile(loop_file)))
}
"loop-playlist" => {
let loop_playlist = match data.to_owned() {
MpvDataType::Usize(n) => Some(LoopProperty::N(n)),
MpvDataType::Bool(b) => match b {
Some(MpvDataType::Usize(n)) => Some(LoopProperty::N(n)),
Some(MpvDataType::Bool(b)) => match b {
true => Some(LoopProperty::Inf),
false => Some(LoopProperty::No),
},
MpvDataType::String(s) => match s.as_str() {
Some(MpvDataType::String(s)) => match s.as_str() {
"inf" => Some(LoopProperty::Inf),
_ => None,
},
_ => None,
}
.ok_or(MpvError::DataContainsUnexpectedType {
expected_type: "'inf', bool, or usize".to_owned(),
received: data,
.ok_or(match data {
Some(data) => MpvError::DataContainsUnexpectedType {
expected_type: "'inf', bool, or usize".to_owned(),
received: data,
},
None => MpvError::MissingMpvData,
})?;
Ok((id, Property::LoopPlaylist(loop_playlist)))
}
"speed" => {
let speed = match data {
MpvDataType::Double(d) => d,
_ => {
Some(MpvDataType::Double(d)) => d,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "f64".to_owned(),
received: data,
})
}
None => {
return Err(MpvError::MissingMpvData);
}
};
Ok((id, Property::Speed(speed)))
}
"volume" => {
let volume = match data {
MpvDataType::Double(d) => d,
_ => {
Some(MpvDataType::Double(d)) => d,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "f64".to_owned(),
received: data,
})
}
None => {
return Err(MpvError::MissingMpvData);
}
};
Ok((id, Property::Volume(volume)))
}
"mute" => {
let mute = match data {
MpvDataType::Bool(b) => b,
_ => {
Some(MpvDataType::Bool(b)) => b,
Some(data) => {
return Err(MpvError::DataContainsUnexpectedType {
expected_type: "bool".to_owned(),
received: data,
})
}
None => {
return Err(MpvError::MissingMpvData);
}
};
Ok((id, Property::Mute(mute)))
}

5
tests/events.rs
View File

@ -60,8 +60,9 @@ async fn test_observe_event_successful() {
Err(err) => panic!("{:?}", err),
};
match data {
MpvDataType::Double(data) => assert_eq!(data, 64.0),
err => panic!("{:?}", err),
Some(MpvDataType::Double(data)) => assert_eq!(data, 64.0),
Some(data) => panic!("Unexpected value: {:?}", data),
None => panic!("No data"),
}
});