| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.php.editor.completion; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import org.netbeans.modules.php.editor.CodeUtils; |
| import org.netbeans.modules.php.editor.api.ElementQuery; |
| import org.netbeans.modules.php.editor.api.ElementQueryFactory; |
| import org.netbeans.modules.php.editor.api.NameKind; |
| import org.netbeans.modules.php.editor.api.QuerySupportFactory; |
| import org.netbeans.modules.php.editor.api.elements.ElementFilter; |
| import org.netbeans.modules.php.editor.api.elements.TypeElement; |
| import org.netbeans.modules.php.spi.templates.completion.CompletionProvider; |
| import org.openide.filesystems.FileObject; |
| import org.openide.util.lookup.ServiceProvider; |
| |
| /** |
| * |
| * @author Ondrej Brejla <obrejla@netbeans.org> |
| */ |
| @ServiceProvider(service = CompletionProvider.class, path = "Neon/completion/type") //NOI18N |
| public final class PhpTypeCompletionProviderWrapper implements CompletionProvider { |
| |
| @Override |
| public Set<String> getItems(FileObject sourceFile, String prefix) { |
| return PhpTypeCompletionProvider.getInstance().getItems(sourceFile, prefix); |
| } |
| |
| public static final class PhpTypeCompletionProvider implements CompletionProvider { |
| private static final PhpTypeCompletionProvider INSTANCE = new PhpTypeCompletionProvider(); |
| //@GuardedBy("this") |
| private Set<TypeElement> cachedElements; |
| |
| private PhpTypeCompletionProvider() { |
| } |
| |
| public static PhpTypeCompletionProvider getInstance() { |
| return INSTANCE; |
| } |
| |
| @Override |
| public Set<String> getItems(FileObject sourceFile, String prefix) { |
| Set<String> result = new HashSet<>(); |
| for (TypeElement typeElement : ElementFilter.forName(NameKind.prefix(prefix)).filter(getElements(sourceFile))) { |
| if (!CodeUtils.isSyntheticTypeName(typeElement.getName())) { |
| result.add(typeElement.getFullyQualifiedName().toString()); |
| } |
| } |
| return result; |
| } |
| |
| private synchronized Set<TypeElement> getElements(FileObject fileObject) { |
| if (cachedElements == null) { |
| ElementQuery.Index indexQuery = ElementQueryFactory.createIndexQuery(QuerySupportFactory.get(fileObject)); |
| cachedElements = indexQuery.getTypes(NameKind.empty()); |
| } |
| return cachedElements; |
| } |
| |
| public synchronized void clearCache() { |
| cachedElements = null; |
| } |
| |
| } |
| |
| } |