| /* |
| * 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.javascript2.knockout.index; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.WeakHashMap; |
| import org.netbeans.api.project.Project; |
| import org.netbeans.modules.parsing.spi.indexing.support.IndexResult; |
| import org.netbeans.modules.parsing.spi.indexing.support.QuerySupport; |
| import org.openide.filesystems.FileObject; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * |
| * @author Roman Svitanic |
| */ |
| public class KnockoutIndex { |
| private static final Map<Project, KnockoutIndex> INDEXES = new WeakHashMap<>(); |
| private final QuerySupport querySupport; |
| |
| public static KnockoutIndex get(Project project) throws IOException { |
| if (project == null) { |
| return null; |
| } |
| synchronized (INDEXES) { |
| KnockoutIndex index = INDEXES.get(project); |
| if (index == null) { |
| Collection<FileObject> sourceRoots = QuerySupport.findRoots(project, |
| null /* all source roots */, |
| Collections.<String>emptyList(), |
| Collections.<String>emptyList()); |
| QuerySupport querrySupport = QuerySupport.forRoots(KnockoutIndexer.Factory.NAME, KnockoutIndexer.Factory.VERSION, sourceRoots.toArray(new FileObject[]{})); |
| index = new KnockoutIndex(querrySupport); |
| if (sourceRoots.size() > 0) { |
| INDEXES.put(project, index); |
| } |
| } |
| return index; |
| } |
| } |
| |
| private KnockoutIndex(QuerySupport querrySupport) throws IOException { |
| this.querySupport = querrySupport; |
| } |
| |
| public Collection<KnockoutCustomElement> getCustomElements(final String name, final boolean exact) { |
| Collection<? extends IndexResult> result = null; |
| try { |
| result = querySupport.query(KnockoutIndexer.CUSTOM_ELEMENT, name, QuerySupport.Kind.PREFIX, KnockoutIndexer.CUSTOM_ELEMENT); |
| } catch (IOException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| if (result != null && !result.isEmpty()) { |
| Collection<KnockoutCustomElement> customElements = new ArrayList<>(); |
| for (IndexResult indexResult : result) { |
| Collection<KnockoutCustomElement> possibleCustomElements = createCustomElements(indexResult); |
| for (KnockoutCustomElement customElement : possibleCustomElements) { |
| if (exact && (customElement.getName().equals(name)) || (!exact && customElement.getName().startsWith(name))) { |
| customElements.add(customElement); |
| } |
| } |
| } |
| return customElements; |
| } |
| return Collections.emptyList(); |
| } |
| |
| public Collection<String> getCustomElementParameters(final String elementName) { |
| Collection<? extends IndexResult> result = null; |
| try { |
| result = querySupport.query(KnockoutIndexer.CUSTOM_ELEMENT, elementName, QuerySupport.Kind.PREFIX, KnockoutIndexer.CUSTOM_ELEMENT); |
| } catch (IOException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| if (result != null && !result.isEmpty()) { |
| List<String> parameters = new ArrayList<>(); |
| for (IndexResult indexResult : result) { |
| Collection<KnockoutCustomElement> possibleCustomElements = createCustomElements(indexResult); |
| for (KnockoutCustomElement customElement : possibleCustomElements) { |
| if (customElement.getName().equals(elementName)) { |
| parameters.addAll(customElement.getParameters()); |
| break; |
| } |
| } |
| } |
| return Collections.unmodifiableList(parameters); |
| } |
| return Collections.emptyList(); |
| } |
| |
| private Collection<KnockoutCustomElement> createCustomElements(final IndexResult indexResult) { |
| String[] values = indexResult.getValues(KnockoutIndexer.CUSTOM_ELEMENT); |
| if (indexResult.getFile() == null) { |
| return Collections.emptyList(); |
| } |
| Collection<KnockoutCustomElement> result = new ArrayList<>(values.length); |
| for (String value : values) { |
| if (value != null && !value.isEmpty() && value.indexOf(':') > 0) { |
| String[] split = value.split(":"); |
| int offset = Integer.parseInt(split[2]); |
| List<String> parameters = new ArrayList<>(); |
| if (split.length == 4) { |
| String[] params = split[3].split(";"); //NOI18N |
| if (params.length != 0) { |
| parameters.addAll(Arrays.<String>asList(params)); |
| } |
| } |
| result.add(new KnockoutCustomElement(split[0], split[1], parameters, indexResult.getFile().toURL(), offset)); |
| } |
| } |
| return result; |
| } |
| } |