Implementation for 'search.findTopLevelDeclarations' API.

pkg/analysis_server/lib/src/search/top_level_declarations.dart

+// 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.
+
+library search.top_level_declarations;
+
+import 'dart:async';
+
+import 'package:analysis_server/src/search/search_result.dart';
+import 'package:analysis_services/search/search_engine.dart';
+
+
+/**
+ * A computer for `search.findTopLevelDeclarations` request results.
+ */
+class TopLevelDeclarationsComputer {
+  final SearchEngine searchEngine;
+
+  TopLevelDeclarationsComputer(this.searchEngine);
+
+  /**
+   * Computes [SearchResult]s for top-level [element] declarations.
+   */
+  Future<List<SearchResult>> compute(String pattern) {
+    var matchesFuture = searchEngine.searchTopLevelDeclarations(pattern);
+    return matchesFuture.then((List<SearchMatch> matches) {
+      return matches.map(toResult).toList();
+    });
+  }
+
+  static SearchResult toResult(SearchMatch match) {
+    return new SearchResult.fromMatch(match);
+  }
+}