| // Copyright (c) 2018, 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 'package:analysis_server/lsp_protocol/protocol_generated.dart'; |
| import 'package:analysis_server/lsp_protocol/protocol_special.dart'; |
| import 'package:analysis_server/src/lsp/constants.dart'; |
| import 'package:analysis_server/src/lsp/handlers/handlers.dart'; |
| import 'package:analysis_server/src/lsp/lsp_analysis_server.dart'; |
| import 'package:analysis_server/src/lsp/mapping.dart'; |
| import 'package:analysis_server/src/lsp/source_edits.dart'; |
| |
| class FormatOnTypeHandler |
| extends MessageHandler<DocumentOnTypeFormattingParams, List<TextEdit>?> { |
| FormatOnTypeHandler(LspAnalysisServer server) : super(server); |
| @override |
| Method get handlesMessage => Method.textDocument_onTypeFormatting; |
| |
| @override |
| LspJsonHandler<DocumentOnTypeFormattingParams> get jsonHandler => |
| DocumentOnTypeFormattingParams.jsonHandler; |
| |
| ErrorOr<List<TextEdit>?> formatFile(String path) { |
| final file = server.resourceProvider.getFile(path); |
| if (!file.exists) { |
| return error(ServerErrorCodes.InvalidFilePath, 'Invalid file path', path); |
| } |
| |
| final result = server.getParsedUnit(path); |
| if (result == null || result.errors.isNotEmpty) { |
| return success(null); |
| } |
| |
| final lineLength = server.clientConfiguration.forResource(path).lineLength; |
| return generateEditsForFormatting(result, lineLength); |
| } |
| |
| @override |
| Future<ErrorOr<List<TextEdit>?>> handle( |
| DocumentOnTypeFormattingParams params, CancellationToken token) async { |
| if (!isDartDocument(params.textDocument)) { |
| return success(null); |
| } |
| |
| final path = pathOfDoc(params.textDocument); |
| return path.mapResult((path) { |
| if (!server.clientConfiguration.forResource(path).enableSdkFormatter) { |
| // Because we now support formatting for just some WorkspaceFolders |
| // we should silently do nothing for those that are disabled. |
| return success(null); |
| } |
| |
| return formatFile(path); |
| }); |
| } |
| } |