Initial implementation for 'search.findElementReferences'.

pkg/analysis_server/lib/src/domain_search.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 domain.search;
-
-import 'package:analysis_server/src/analysis_server.dart';
-import 'package:analysis_server/src/constants.dart';
-import 'package:analysis_server/src/protocol.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;
-
-  /**
-   * Initialize a newly created handler to handle requests for the given [server].
-   */
-  SearchDomainHandler(this.server);
-
-  @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);
-      } else if (requestName == SEARCH_FIND_MEMBER_REFERENCES) {
-        return findMemberReferences(request);
-      } else if (requestName == SEARCH_FIND_TOP_LEVEL_DECLARATIONS) {
-        return findTopLevelDeclarations(request);
-      }
-    } on RequestFailure catch (exception) {
-      return exception.response;
-    }
-    return null;
-  }
-
-  Response findElementReferences(Request request) {
-    // file
-    RequestDatum fileDatum = request.getRequiredParameter(FILE);
-    String file = fileDatum.asString();
-    // offset
-    RequestDatum offsetDatum = request.getRequiredParameter(OFFSET);
-    int offset = offsetDatum.asInt();
-    // includePotential
-    RequestDatum includePotentialDatum = request.getRequiredParameter(LENGTH);
-    bool includePotential = includePotentialDatum.asBool();
-    // TODO(brianwilkerson) implement
-    return null;
-  }
-
-  Response findMemberDeclarations(Request request) {
-    // name
-    RequestDatum nameDatum = request.getRequiredParameter(FILE);
-    String name = nameDatum.asString();
-    // TODO(brianwilkerson) implement
-    return null;
-  }
-
-  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;
-  }
-}