| /* |
| * 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 java.util.Collection; |
| import java.util.Set; |
| |
| import org.eclipse.xtext.resource.IEObjectDescription; |
| |
| import com.google.common.base.Strings; |
| import com.google.eclipse.protobuf.model.util.MessageFields; |
| import com.google.eclipse.protobuf.model.util.Messages; |
| import com.google.eclipse.protobuf.model.util.ModelObjects; |
| import com.google.eclipse.protobuf.naming.NormalNamingStrategy; |
| import com.google.eclipse.protobuf.protobuf.Group; |
| import com.google.eclipse.protobuf.protobuf.IndexedElement; |
| import com.google.eclipse.protobuf.protobuf.Message; |
| import com.google.eclipse.protobuf.protobuf.MessageElement; |
| import com.google.eclipse.protobuf.protobuf.MessageField; |
| import com.google.eclipse.protobuf.protobuf.TypeExtension; |
| import com.google.inject.Inject; |
| |
| /** |
| * @author alruiz@google.com (Alex Ruiz) |
| */ |
| class ExtensionFieldNameFinderStrategy implements CustomOptionFieldNameFinder.FinderStrategy { |
| @Inject private MessageFields messageFields; |
| @Inject private Messages messages; |
| @Inject private ModelObjects modelObjects; |
| @Inject private NormalNamingStrategy namingStrategy; |
| @Inject private QualifiedNameDescriptions qualifiedNameDescriptions; |
| |
| @Override public Collection<IEObjectDescription> findMessageFields(IndexedElement reference) { |
| Set<IEObjectDescription> descriptions = newHashSet(); |
| if (reference instanceof MessageField) { |
| Message type = messageFields.messageTypeOf((MessageField) reference); |
| // check first in descriptor.proto |
| for (TypeExtension extension : messages.extensionsOf(type, modelObjects.rootOf(reference))) { |
| for (MessageElement element : extension.getElements()) { |
| if (element instanceof IndexedElement) { |
| descriptions.addAll(qualifiedNameDescriptions.qualifiedNames(element, namingStrategy)); |
| } |
| } |
| } |
| } else if (reference instanceof Group) { |
| String name = ((Group) reference).getName(); |
| if (!Strings.isNullOrEmpty(name)) { |
| descriptions.addAll(qualifiedNameDescriptions.qualifiedNames(reference, namingStrategy)); |
| } |
| } |
| return descriptions; |
| } |
| } |