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use std::future::Future;
use std::pin::Pin;
use std::sync::Arc;
use deno_core::anyhow::anyhow;
use deno_core::error::AnyError;
use deno_core::futures::future;
use deno_core::serde_json;
use deno_core::serde_json::json;
use lspower::lsp;
use crate::lsp::config::SETTINGS_SECTION;
use crate::lsp::repl::get_repl_workspace_settings;
use super::lsp_custom;
#[derive(Clone)]
pub struct Client(Arc<dyn ClientTrait>);
impl std::fmt::Debug for Client {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_tuple("Client").finish()
}
}
impl Client {
pub fn from_lspower(client: lspower::Client) -> Self {
Self(Arc::new(LspowerClient(client)))
}
pub fn new_for_repl() -> Self {
Self(Arc::new(ReplClient))
}
pub async fn publish_diagnostics(
&self,
uri: lsp::Url,
diags: Vec<lsp::Diagnostic>,
version: Option<i32>,
) {
self.0.publish_diagnostics(uri, diags, version).await;
}
pub async fn send_registry_state_notification(
&self,
params: lsp_custom::RegistryStateNotificationParams,
) {
self.0.send_registry_state_notification(params).await;
}
pub async fn configuration(
&self,
items: Vec<lsp::ConfigurationItem>,
) -> Result<Vec<serde_json::Value>, AnyError> {
self.0.configuration(items).await
}
pub async fn show_message(
&self,
message_type: lsp::MessageType,
message: impl std::fmt::Display,
) {
self
.0
.show_message(message_type, format!("{}", message))
.await
}
pub async fn register_capability(
&self,
registrations: Vec<lsp::Registration>,
) -> Result<(), AnyError> {
self.0.register_capability(registrations).await
}
}
type AsyncReturn<T> = Pin<Box<dyn Future<Output = T> + 'static + Send>>;
trait ClientTrait: Send + Sync {
fn publish_diagnostics(
&self,
uri: lsp::Url,
diagnostics: Vec<lsp::Diagnostic>,
version: Option<i32>,
) -> AsyncReturn<()>;
fn send_registry_state_notification(
&self,
params: lsp_custom::RegistryStateNotificationParams,
) -> AsyncReturn<()>;
fn configuration(
&self,
items: Vec<lsp::ConfigurationItem>,
) -> AsyncReturn<Result<Vec<serde_json::Value>, AnyError>>;
fn show_message(
&self,
message_type: lsp::MessageType,
text: String,
) -> AsyncReturn<()>;
fn register_capability(
&self,
registrations: Vec<lsp::Registration>,
) -> AsyncReturn<Result<(), AnyError>>;
}
#[derive(Clone)]
struct LspowerClient(lspower::Client);
impl ClientTrait for LspowerClient {
fn publish_diagnostics(
&self,
uri: lsp::Url,
diagnostics: Vec<lsp::Diagnostic>,
version: Option<i32>,
) -> AsyncReturn<()> {
let client = self.0.clone();
Box::pin(async move {
client.publish_diagnostics(uri, diagnostics, version).await
})
}
fn send_registry_state_notification(
&self,
params: lsp_custom::RegistryStateNotificationParams,
) -> AsyncReturn<()> {
let client = self.0.clone();
Box::pin(async move {
client
.send_custom_notification::<lsp_custom::RegistryStateNotification>(
params,
)
.await
})
}
fn configuration(
&self,
items: Vec<lsp::ConfigurationItem>,
) -> AsyncReturn<Result<Vec<serde_json::Value>, AnyError>> {
let client = self.0.clone();
Box::pin(async move {
client
.configuration(items)
.await
.map_err(|err| anyhow!("{}", err))
})
}
fn show_message(
&self,
message_type: lsp::MessageType,
message: String,
) -> AsyncReturn<()> {
let client = self.0.clone();
Box::pin(async move { client.show_message(message_type, message).await })
}
fn register_capability(
&self,
registrations: Vec<lsp::Registration>,
) -> AsyncReturn<Result<(), AnyError>> {
let client = self.0.clone();
Box::pin(async move {
client
.register_capability(registrations)
.await
.map_err(|err| anyhow!("{}", err))
})
}
}
#[derive(Clone)]
struct ReplClient;
impl ClientTrait for ReplClient {
fn publish_diagnostics(
&self,
_uri: lsp::Url,
_diagnostics: Vec<lsp::Diagnostic>,
_version: Option<i32>,
) -> AsyncReturn<()> {
Box::pin(future::ready(()))
}
fn send_registry_state_notification(
&self,
_params: lsp_custom::RegistryStateNotificationParams,
) -> AsyncReturn<()> {
Box::pin(future::ready(()))
}
fn configuration(
&self,
items: Vec<lsp::ConfigurationItem>,
) -> AsyncReturn<Result<Vec<serde_json::Value>, AnyError>> {
let is_global_config_request = items.len() == 1
&& items[0].scope_uri.is_none()
&& items[0].section.as_deref() == Some(SETTINGS_SECTION);
let response = if is_global_config_request {
vec![serde_json::to_value(get_repl_workspace_settings()).unwrap()]
} else {
// all specifiers are enabled for the REPL
items
.into_iter()
.map(|_| {
json!({
"enable": true,
})
})
.collect()
};
Box::pin(future::ready(Ok(response)))
}
fn show_message(
&self,
_message_type: lsp::MessageType,
_message: String,
) -> AsyncReturn<()> {
Box::pin(future::ready(()))
}
fn register_capability(
&self,
_registrations: Vec<lsp::Registration>,
) -> AsyncReturn<Result<(), AnyError>> {
Box::pin(future::ready(Ok(())))
}
}
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