123 lines
3.9 KiB
Rust
123 lines
3.9 KiB
Rust
use super::node_runtime::NodeRuntime;
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use anyhow::{anyhow, Context, Result};
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use async_trait::async_trait;
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use client::http::HttpClient;
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use futures::StreamExt;
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use language::{LanguageServerBinary, LanguageServerName, LspAdapter};
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use serde_json::json;
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use smol::fs;
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use std::{
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any::Any,
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ffi::OsString,
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path::{Path, PathBuf},
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sync::Arc,
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};
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use util::ResultExt;
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fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
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vec![server_path.into(), "--stdio".into()]
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}
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pub struct HtmlLspAdapter {
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node: Arc<NodeRuntime>,
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}
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impl HtmlLspAdapter {
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const SERVER_PATH: &'static str =
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"node_modules/vscode-langservers-extracted/bin/vscode-html-language-server";
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pub fn new(node: Arc<NodeRuntime>) -> Self {
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HtmlLspAdapter { node }
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}
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}
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#[async_trait]
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impl LspAdapter for HtmlLspAdapter {
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async fn name(&self) -> LanguageServerName {
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LanguageServerName("vscode-html-language-server".into())
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}
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async fn fetch_latest_server_version(
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&self,
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_: Arc<dyn HttpClient>,
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) -> Result<Box<dyn 'static + Any + Send>> {
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Ok(Box::new(
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self.node
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.npm_package_latest_version("vscode-langservers-extracted")
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.await?,
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) as Box<_>)
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}
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async fn fetch_server_binary(
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&self,
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version: Box<dyn 'static + Send + Any>,
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_: Arc<dyn HttpClient>,
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container_dir: PathBuf,
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) -> Result<LanguageServerBinary> {
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let version = version.downcast::<String>().unwrap();
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let version_dir = container_dir.join(version.as_str());
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fs::create_dir_all(&version_dir)
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.await
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.context("failed to create version directory")?;
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let server_path = version_dir.join(Self::SERVER_PATH);
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if fs::metadata(&server_path).await.is_err() {
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self.node
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.npm_install_packages(
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[("vscode-langservers-extracted", version.as_str())],
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&version_dir,
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)
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.await?;
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if let Some(mut entries) = fs::read_dir(&container_dir).await.log_err() {
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while let Some(entry) = entries.next().await {
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if let Some(entry) = entry.log_err() {
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let entry_path = entry.path();
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if entry_path.as_path() != version_dir {
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fs::remove_dir_all(&entry_path).await.log_err();
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}
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}
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}
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}
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}
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Ok(LanguageServerBinary {
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path: self.node.binary_path().await?,
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arguments: server_binary_arguments(&server_path),
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})
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}
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async fn cached_server_binary(&self, container_dir: PathBuf) -> Option<LanguageServerBinary> {
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(|| async move {
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let mut last_version_dir = None;
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let mut entries = fs::read_dir(&container_dir).await?;
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while let Some(entry) = entries.next().await {
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let entry = entry?;
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if entry.file_type().await?.is_dir() {
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last_version_dir = Some(entry.path());
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}
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}
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let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
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let server_path = last_version_dir.join(Self::SERVER_PATH);
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if server_path.exists() {
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Ok(LanguageServerBinary {
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path: self.node.binary_path().await?,
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arguments: server_binary_arguments(&server_path),
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})
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} else {
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Err(anyhow!(
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"missing executable in directory {:?}",
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last_version_dir
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))
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}
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})()
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.await
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.log_err()
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}
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async fn initialization_options(&self) -> Option<serde_json::Value> {
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Some(json!({
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"provideFormatter": true
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}))
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}
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}
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