102 lines
3.3 KiB
Rust
102 lines
3.3 KiB
Rust
use super::installation::{npm_install_packages, npm_package_latest_version};
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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::{LanguageServerName, LspAdapter};
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use serde_json::json;
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use smol::fs;
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use std::{any::Any, path::PathBuf, sync::Arc};
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use util::ResultExt;
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pub struct HtmlLspAdapter;
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impl HtmlLspAdapter {
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const BIN_PATH: &'static str =
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"node_modules/vscode-langservers-extracted/bin/vscode-html-language-server";
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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 server_args(&self) -> Vec<String> {
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vec!["--stdio".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(npm_package_latest_version("vscode-langservers-extracted").await?) 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<PathBuf> {
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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 binary_path = version_dir.join(Self::BIN_PATH);
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if fs::metadata(&binary_path).await.is_err() {
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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(binary_path)
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}
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async fn cached_server_binary(&self, container_dir: PathBuf) -> Option<PathBuf> {
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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 bin_path = last_version_dir.join(Self::BIN_PATH);
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if bin_path.exists() {
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Ok(bin_path)
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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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