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[css] add multiroot support. Fixes #32486

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This commit is contained in:
Martin Aeschlimann
2017-08-17 16:22:28 +02:00
parent 64fd8f8720
commit 47ec343bfa
6 changed files with 126 additions and 28 deletions
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38
extensions/css/server/src/cssServerMain.ts
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@@ -8,6 +8,7 @@ import {
createConnection, IConnection, Range,
TextDocuments, TextDocument, InitializeParams, InitializeResult, RequestType
} from 'vscode-languageserver';
import { GetConfigurationRequest } from 'vscode-languageserver/lib/protocol.proposed';
import { getCSSLanguageService, getSCSSLanguageService, getLESSLanguageService, LanguageSettings, LanguageService, Stylesheet } from 'vscode-css-languageservice';
import { getLanguageModelCache } from './languageModelCache';
@@ -43,10 +44,20 @@ connection.onShutdown(() => {
stylesheets.dispose();
});
let scopedSettingsSupport = false;
// After the server has started the client sends an initilize request. The server receives
// in the passed params the rootPath of the workspace plus the client capabilities.
connection.onInitialize((params: InitializeParams): InitializeResult => {
let snippetSupport = params.capabilities && params.capabilities.textDocument && params.capabilities.textDocument.completion && params.capabilities.textDocument.completion.completionItem && params.capabilities.textDocument.completion.completionItem.snippetSupport;
function hasClientCapability(name: string) {
let keys = name.split('.');
let c = params.capabilities;
for (let i = 0; c && i < keys.length; i++) {
c = c[keys[i]];
}
return !!c;
}
let snippetSupport = hasClientCapability('textDocument.completion.completionItem.snippetSupport');
scopedSettingsSupport = hasClientCapability('workspace.getConfiguration');
return {
capabilities: {
// Tell the client that the server works in FULL text document sync mode
@@ -78,6 +89,20 @@ function getLanguageService(document: TextDocument) {
return service;
}
let documentSettings: { [key: string]: Thenable<LanguageSettings> } = {};
function getDocumentSettings(textDocument: TextDocument): Thenable<LanguageSettings> {
if (scopedSettingsSupport) {
let promise = documentSettings[textDocument.uri];
if (!promise) {
let configRequestParam = { scopeUris: [textDocument.uri], sections: [textDocument.languageId] };
promise = connection.sendRequest(GetConfigurationRequest.type, configRequestParam).then(s => s[0][0]);
documentSettings[textDocument.uri] = promise;
}
return promise;
}
return void 0;
}
// The settings have changed. Is send on server activation as well.
connection.onDidChangeConfiguration(change => {
updateConfiguration(<Settings>change.settings);
@@ -87,6 +112,8 @@ function updateConfiguration(settings: Settings) {
for (let languageId in languageServices) {
languageServices[languageId].configure(settings[languageId]);
}
// reset all document settings
documentSettings = {};
// Revalidate any open text documents
documents.all().forEach(triggerValidation);
}
@@ -123,10 +150,13 @@ function triggerValidation(textDocument: TextDocument): void {
}
function validateTextDocument(textDocument: TextDocument): void {
let settingsPromise = getDocumentSettings(textDocument);
let stylesheet = stylesheets.get(textDocument);
let diagnostics = getLanguageService(textDocument).doValidation(textDocument, stylesheet);
// Send the computed diagnostics to VSCode.
connection.sendDiagnostics({ uri: textDocument.uri, diagnostics });
settingsPromise.then(settings => {
let diagnostics = getLanguageService(textDocument).doValidation(textDocument, stylesheet, settings);
// Send the computed diagnostics to VSCode.
connection.sendDiagnostics({ uri: textDocument.uri, diagnostics });
});
}
connection.onCompletion(textDocumentPosition => {