blob: 51a5a0489e3f8bc405961db09410e2448ae8b560 [file] [log] [blame]
// Copyright (c) 2014, 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/src/provisional/completion/dart/completion_dart.dart';
import 'package:analysis_server/src/services/completion/dart/suggestion_builder.dart';
import 'package:analyzer/dart/element/element.dart';
import '../../../protocol_server.dart'
show CompletionSuggestion, CompletionSuggestionKind;
/**
* A contributor for calculating prefixed import library member suggestions
* `completion.getSuggestions` request results.
*/
class LibraryPrefixContributor extends DartCompletionContributor {
@override
Future<List<CompletionSuggestion>> computeSuggestions(
DartCompletionRequest request) async {
// TODO(brianwilkerson) Determine whether this await is necessary.
await null;
if (!request.includeIdentifiers) {
return const <CompletionSuggestion>[];
}
List<ImportElement> imports = request.libraryElement.imports;
if (imports == null) {
return const <CompletionSuggestion>[];
}
List<CompletionSuggestion> suggestions = <CompletionSuggestion>[];
for (ImportElement element in imports) {
String completion = element.prefix?.name;
if (completion != null && completion.isNotEmpty) {
LibraryElement libElem = element.importedLibrary;
if (libElem != null) {
CompletionSuggestion suggestion = createSuggestion(libElem,
completion: completion,
kind: CompletionSuggestionKind.IDENTIFIER);
if (suggestion != null) {
suggestions.add(suggestion);
}
}
}
}
return suggestions;
}
}