ZIm/crates/zed/src/languages/yaml.rs

113 lines
3.7 KiB
Rust

use anyhow::{anyhow, Context, Result};
use async_trait::async_trait;
use client::http::HttpClient;
use futures::{future::BoxFuture, FutureExt, StreamExt};
use gpui::MutableAppContext;
use language::{LanguageServerName, LspAdapter, ServerExecutionKind};
use serde_json::Value;
use settings::Settings;
use smol::fs;
use std::{any::Any, future, path::PathBuf, sync::Arc};
use util::ResultExt;
use super::installation::{npm_install_packages, npm_package_latest_version};
pub struct YamlLspAdapter;
impl YamlLspAdapter {
const BIN_PATH: &'static str = "node_modules/yaml-language-server/bin/yaml-language-server";
}
#[async_trait]
impl LspAdapter for YamlLspAdapter {
async fn name(&self) -> LanguageServerName {
LanguageServerName("yaml-language-server".into())
}
async fn server_execution_kind(&self) -> ServerExecutionKind {
ServerExecutionKind::Node
}
async fn server_args(&self) -> Vec<String> {
vec!["--stdio".into()]
}
async fn fetch_latest_server_version(
&self,
_: Arc<dyn HttpClient>,
) -> Result<Box<dyn 'static + Any + Send>> {
Ok(Box::new(npm_package_latest_version("yaml-language-server").await?) as Box<_>)
}
async fn fetch_server_binary(
&self,
version: Box<dyn 'static + Send + Any>,
_: Arc<dyn HttpClient>,
container_dir: PathBuf,
) -> Result<PathBuf> {
let version = version.downcast::<String>().unwrap();
let version_dir = container_dir.join(version.as_str());
fs::create_dir_all(&version_dir)
.await
.context("failed to create version directory")?;
let binary_path = version_dir.join(Self::BIN_PATH);
if fs::metadata(&binary_path).await.is_err() {
npm_install_packages([("yaml-language-server", version.as_str())], &version_dir)
.await?;
if let Some(mut entries) = fs::read_dir(&container_dir).await.log_err() {
while let Some(entry) = entries.next().await {
if let Some(entry) = entry.log_err() {
let entry_path = entry.path();
if entry_path.as_path() != version_dir {
fs::remove_dir_all(&entry_path).await.log_err();
}
}
}
}
}
Ok(binary_path)
}
async fn cached_server_binary(&self, container_dir: PathBuf) -> Option<PathBuf> {
(|| async move {
let mut last_version_dir = None;
let mut entries = fs::read_dir(&container_dir).await?;
while let Some(entry) = entries.next().await {
let entry = entry?;
if entry.file_type().await?.is_dir() {
last_version_dir = Some(entry.path());
}
}
let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
let bin_path = last_version_dir.join(Self::BIN_PATH);
if bin_path.exists() {
Ok(bin_path)
} else {
Err(anyhow!(
"missing executable in directory {:?}",
last_version_dir
))
}
})()
.await
.log_err()
}
fn workspace_configuration(
&self,
cx: &mut MutableAppContext,
) -> Option<BoxFuture<'static, Value>> {
let settings = cx.global::<Settings>();
Some(
future::ready(serde_json::json!({
"[yaml]": {
"editor.tabSize": settings.tab_size(Some("YAML"))
}
}))
.boxed(),
)
}
}