blob: ca0cf400adeafdcdfae794eb1db53a2964b016e6 [file] [log] [blame]
// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'dart:async';
import 'package:analysis_server/protocol/protocol.dart';
import 'package:analysis_server/protocol/protocol_generated.dart';
import 'package:analysis_server/src/computer/import_elements_computer.dart';
import 'package:analysis_server/src/handler/legacy/legacy_handler.dart';
/// The handler for the `edit.importElements` request.
class EditImportElementsHandler extends LegacyHandler {
/// Initialize a newly created handler to be able to service requests for the
/// [server].
EditImportElementsHandler(
super.server, super.request, super.cancellationToken);
@override
Future<void> handle() async {
var params = EditImportElementsParams.fromRequest(request);
var file = params.file;
if (server.sendResponseErrorIfInvalidFilePath(request, file)) {
return;
}
//
// Prepare the resolved unit.
//
var result = await server.getResolvedUnit(file);
if (result == null) {
sendResponse(Response.importElementsInvalidFile(request));
return;
}
var libraryUnit = result.libraryElement.definingCompilationUnit;
if (libraryUnit != result.unit.declaredElement) {
// The file in the request is a part of a library. We need to pass the
// defining compilation unit to the computer, not the part.
result = await server.getResolvedUnit(libraryUnit.source.fullName);
if (result == null) {
sendResponse(Response.importElementsInvalidFile(request));
return;
}
}
//
// Compute the edits required to import the required elements.
//
var computer = ImportElementsComputer(server.resourceProvider, result);
var change = await computer.createEdits(params.elements);
var edits = change.edits;
var edit = edits.isEmpty ? null : edits[0];
//
// Send the response.
//
sendResult(EditImportElementsResult(edit: edit));
}
}