Implementation for 'search.findTopLevelDeclarations' API.

pkg/analysis_server/lib/src/search/search_domain.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.domain;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/search/element_references.dart';
 import 'package:analysis_server/src/search/search_result.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_services/search/search_engine.dart';
 import 'package:analyzer/src/generated/element.dart';
+import 'package:analysis_server/src/search/top_level_declarations.dart';
 
 /**
  * Instances of the class [SearchDomainHandler] implement a [RequestHandler]
  * that handles requests in the search domain.
  */
 class SearchDomainHandler implements RequestHandler {
   /**
    * The analysis server that is using this handler to process requests.
    */
   final AnalysisServer server;
@@ skipping 19 matching lines @@
     String file = request.getRequiredParameter(FILE).asString();
     int offset = request.getRequiredParameter(OFFSET).asInt();
     bool includePotential =
         request.getRequiredParameter(INCLUDE_POTENTIAL).asBool();
     // schedule search
     String searchId = (_nextSearchId++).toString();
     List<Element> elements = server.getElementsAtOffset(file, offset);
     elements.forEach((Element element) {
       var computer = new ElementReferencesComputer(searchEngine);
       var future = computer.compute(element, includePotential);
-      return future.then((List<SearchResult> results) {
+      future.then((List<SearchResult> results) {
         bool isLast = identical(element, elements.last);
         _sendSearchNotification(searchId, isLast, results);
       });
     });
     if (elements.isEmpty) {
       new Future.microtask(() {
         _sendSearchNotification(searchId, true, []);
       });
     }
     // respond
@@ skipping 10 matching lines @@
 
   Response findMemberReferences(Request request) {
     // name
     RequestDatum nameDatum = request.getRequiredParameter(FILE);
     String name = nameDatum.asString();
     // TODO(brianwilkerson) implement
     return null;
   }
 
   Response findTopLevelDeclarations(Request request) {
-    // pattern
-    RequestDatum patternDatum = request.getRequiredParameter(FILE);
-    String pattern = patternDatum.asString();
-    // TODO(brianwilkerson) implement
-    return null;
+    String pattern = request.getRequiredParameter(PATTERN).asString();
+    // schedule search
+    String searchId = (_nextSearchId++).toString();
+    new Future.microtask(() {
+      var computer = new TopLevelDeclarationsComputer(searchEngine);
+      var future = computer.compute(pattern);
+      future.then((List<SearchResult> results) {
+        _sendSearchNotification(searchId, true, results);
+      });
+    });
+    // respond
+    return new Response(request.id)..setResult(ID, searchId);
   }
 
   @override
   Response handleRequest(Request request) {
     try {
       String requestName = request.method;
       if (requestName == SEARCH_FIND_ELEMENT_REFERENCES) {
         return findElementReferences(request);
       } else if (requestName == SEARCH_FIND_MEMBER_DECLARATIONS) {
         return findMemberDeclarations(request);
@@ skipping 10 matching lines @@
 
   void _sendSearchNotification(String searchId, bool isLast,
       List<SearchResult> results) {
     Notification notification = new Notification(SEARCH_RESULTS);
     notification.setParameter(ID, searchId);
     notification.setParameter(LAST, isLast);
     notification.setParameter(RESULTS, results);
     server.sendNotification(notification);
   }
 }