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import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient'
import { Highlighter, Decoration } from './highlighting';
export class Config {
highlightingOn = true;
constructor() {
vscode.workspace.onDidChangeConfiguration(_ => this.userConfigChanged());
this.userConfigChanged();
}
userConfigChanged() {
let config = vscode.workspace.getConfiguration('ra-lsp');
if (config.has('highlightingOn')) {
this.highlightingOn = config.get('highlightingOn') as boolean;
};
if (!this.highlightingOn) {
Server.highlighter.removeHighlights();
}
}
}
export class Server {
static highlighter = new Highlighter();
static config = new Config();
static client: lc.LanguageClient;
static start() {
let run: lc.Executable = {
command: "ra_lsp_server",
options: { cwd: "." }
}
let serverOptions: lc.ServerOptions = {
run,
debug: run
};
let clientOptions: lc.LanguageClientOptions = {
documentSelector: [{ scheme: 'file', language: 'rust' }],
};
Server.client = new lc.LanguageClient(
'ra-lsp',
'rust-analyzer languge server',
serverOptions,
clientOptions,
);
Server.client.onReady().then(() => {
Server.client.onNotification(
"m/publishDecorations",
(params: PublishDecorationsParams) => {
let editor = vscode.window.visibleTextEditors.find(
(editor) => editor.document.uri.toString() == params.uri
)
if (!Server.config.highlightingOn || !editor) return;
Server.highlighter.setHighlights(
editor,
params.decorations,
)
}
)
})
Server.client.start();
}
}
interface PublishDecorationsParams {
uri: string,
decorations: Decoration[],
}
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