yazi/yazi-plugin/src/bindings/chan.rs
2025-04-05 07:42:27 +08:00

81 lines
2.6 KiB
Rust

use mlua::{ExternalError, IntoLuaMulti, UserData, Value};
use yazi_binding::Error;
pub struct MpscTx(pub tokio::sync::mpsc::Sender<Value>);
pub struct MpscRx(pub tokio::sync::mpsc::Receiver<Value>);
impl UserData for MpscTx {
fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
methods.add_async_method("send", |lua, me, value: Value| async move {
match me.0.send(value).await {
Ok(()) => (true, Value::Nil).into_lua_multi(&lua),
Err(e) => (false, Error::Custom(e.to_string())).into_lua_multi(&lua),
}
});
}
}
impl UserData for MpscRx {
fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
methods.add_async_method_mut("recv", |lua, mut me, ()| async move {
match me.0.recv().await {
Some(value) => (value, true).into_lua_multi(&lua),
None => (Value::Nil, false).into_lua_multi(&lua),
}
});
}
}
pub struct MpscUnboundedTx(pub tokio::sync::mpsc::UnboundedSender<Value>);
pub struct MpscUnboundedRx(pub tokio::sync::mpsc::UnboundedReceiver<Value>);
impl UserData for MpscUnboundedTx {
fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
methods.add_method("send", |lua, me, value: Value| match me.0.send(value) {
Ok(()) => (true, Value::Nil).into_lua_multi(lua),
Err(e) => (false, Error::Custom(e.to_string())).into_lua_multi(lua),
});
}
}
impl UserData for MpscUnboundedRx {
fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
methods.add_async_method_mut("recv", |lua, mut me, ()| async move {
match me.0.recv().await {
Some(value) => (value, true).into_lua_multi(&lua),
None => (Value::Nil, false).into_lua_multi(&lua),
}
});
}
}
pub struct OneshotTx(pub Option<tokio::sync::oneshot::Sender<Value>>);
pub struct OneshotRx(pub Option<tokio::sync::oneshot::Receiver<Value>>);
impl UserData for OneshotTx {
fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
methods.add_method_mut("send", |lua, me, value: Value| {
let Some(tx) = me.0.take() else {
return Err("Oneshot sender already used".into_lua_err());
};
match tx.send(value) {
Ok(()) => (true, Value::Nil).into_lua_multi(lua),
Err(_) => (false, Error::Custom("Oneshot receiver closed".to_string())).into_lua_multi(lua),
}
});
}
}
impl UserData for OneshotRx {
fn add_methods<M: mlua::UserDataMethods<Self>>(methods: &mut M) {
methods.add_async_method_mut("recv", |lua, mut me, ()| async move {
let Some(rx) = me.0.take() else {
return Err("Oneshot receiver already used".into_lua_err());
};
match rx.await {
Ok(value) => (value, Value::Nil).into_lua_multi(&lua),
Err(e) => (Value::Nil, Error::Custom(e.to_string())).into_lua_multi(&lua),
}
});
}
}