"use strict";
/* --------------------------------------------------------------------------------------------
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License. See License.txt in the project root for license information.
 * ------------------------------------------------------------------------------------------ */
Object.defineProperty(exports, "__esModule", { value: true });
exports.ReferencesFeature = void 0;
const vscode_1 = require("vscode");
const vscode_languageserver_protocol_1 = require("vscode-languageserver-protocol");
const features_1 = require("./features");
const UUID = require("./utils/uuid");
class ReferencesFeature extends features_1.TextDocumentLanguageFeature {
    constructor(client) {
        super(client, vscode_languageserver_protocol_1.ReferencesRequest.type);
    }
    fillClientCapabilities(capabilities) {
        (0, features_1.ensure)((0, features_1.ensure)(capabilities, 'textDocument'), 'references').dynamicRegistration = true;
    }
    initialize(capabilities, documentSelector) {
        const options = this.getRegistrationOptions(documentSelector, capabilities.referencesProvider);
        if (!options) {
            return;
        }
        this.register({ id: UUID.generateUuid(), registerOptions: options });
    }
    registerLanguageProvider(options) {
        const selector = options.documentSelector;
        const provider = {
            provideReferences: (document, position, options, token) => {
                const client = this._client;
                const _providerReferences = (document, position, options, token) => {
                    return client.sendRequest(vscode_languageserver_protocol_1.ReferencesRequest.type, client.code2ProtocolConverter.asReferenceParams(document, position, options), token).then((result) => {
                        if (token.isCancellationRequested) {
                            return null;
                        }
                        return client.protocol2CodeConverter.asReferences(result, token);
                    }, (error) => {
                        return client.handleFailedRequest(vscode_languageserver_protocol_1.ReferencesRequest.type, token, error, null);
                    });
                };
                const middleware = client.middleware;
                return middleware.provideReferences
                    ? middleware.provideReferences(document, position, options, token, _providerReferences)
                    : _providerReferences(document, position, options, token);
            }
        };
        return [this.registerProvider(selector, provider), provider];
    }
    registerProvider(selector, provider) {
        return vscode_1.languages.registerReferenceProvider(this._client.protocol2CodeConverter.asDocumentSelector(selector), provider);
    }
}
exports.ReferencesFeature = ReferencesFeature;