| /* |
| * Copyright (c) 2012 Google Inc. |
| * |
| * All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse |
| * Public License v1.0 which accompanies this distribution, and is available at |
| * |
| * http://www.eclipse.org/legal/epl-v10.html |
| */ |
| package com.google.eclipse.protobuf.scoping; |
| |
| import static com.google.common.collect.Sets.newHashSet; |
| import static org.eclipse.xtext.resource.EObjectDescription.create; |
| |
| import com.google.common.base.Strings; |
| import com.google.eclipse.protobuf.model.util.MessageFields; |
| import com.google.eclipse.protobuf.protobuf.Group; |
| import com.google.eclipse.protobuf.protobuf.IndexedElement; |
| import com.google.eclipse.protobuf.protobuf.MessageField; |
| import com.google.inject.Inject; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.xtext.resource.IEObjectDescription; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| /** |
| * @author alruiz@google.com (Alex Ruiz) |
| */ |
| class NormalFieldNameFinderStrategy implements CustomOptionFieldNameFinder.FinderStrategy { |
| @Inject private MessageFields messageFields; |
| |
| @Override public Collection<IEObjectDescription> findMessageFields(IndexedElement reference) { |
| Set<IEObjectDescription> descriptions = newHashSet(); |
| Iterable<? extends EObject> elements = reference instanceof Group |
| ? ((Group) reference).getElements() |
| : reference instanceof MessageField |
| ? messageFields.messageTypeOf((MessageField) reference).getElements() |
| : null; |
| |
| if (elements != null) { |
| for (EObject element : elements) { |
| if (element instanceof MessageField) { |
| String name = ((MessageField) element).getName(); |
| descriptions.add(create(name, element)); |
| } else if (element instanceof Group) { |
| String name = ((Group) element).getName(); |
| if (!Strings.isNullOrEmpty(name)) { |
| descriptions.add(create(name, element)); |
| } |
| } |
| } |
| } |
| return descriptions; |
| } |
| } |