| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.util.xml; |
| |
| import com.intellij.openapi.fileTypes.StdFileTypes; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.util.indexing.*; |
| import com.intellij.util.io.EnumeratorStringDescriptor; |
| import com.intellij.util.io.KeyDescriptor; |
| import com.intellij.util.text.CharArrayUtil; |
| import com.intellij.util.xml.impl.DomApplicationComponent; |
| import gnu.trove.THashMap; |
| import gnu.trove.THashSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * @author peter |
| */ |
| public class DomFileIndex extends ScalarIndexExtension<String>{ |
| public static final ID<String,Void> NAME = ID.create("DomFileIndex"); |
| private final DataIndexer<String,Void, FileContent> myDataIndexer; |
| |
| public DomFileIndex() { |
| myDataIndexer = new DataIndexer<String, Void, FileContent>() { |
| @Override |
| @NotNull |
| public Map<String, Void> map(@NotNull final FileContent inputData) { |
| final Set<String> namespaces = new THashSet<String>(); |
| final XmlFileHeader header = NanoXmlUtil.parseHeader(CharArrayUtil.readerFromCharSequence(inputData.getContentAsText())); |
| ContainerUtil.addIfNotNull(header.getPublicId(), namespaces); |
| ContainerUtil.addIfNotNull(header.getSystemId(), namespaces); |
| ContainerUtil.addIfNotNull(header.getRootTagNamespace(), namespaces); |
| final String tagName = header.getRootTagLocalName(); |
| if (StringUtil.isNotEmpty(tagName)) { |
| final THashMap<String, Void> result = new THashMap<String, Void>(); |
| final DomApplicationComponent component = DomApplicationComponent.getInstance(); |
| for (final DomFileDescription description : component.getFileDescriptions(tagName)) { |
| final String[] strings = description.getAllPossibleRootTagNamespaces(); |
| if (strings.length == 0 || ContainerUtil.intersects(Arrays.asList(strings), namespaces)) { |
| result.put(description.getRootElementClass().getName(), null); |
| } |
| } |
| for (final DomFileDescription description : component.getAcceptingOtherRootTagNameDescriptions()) { |
| final String[] strings = description.getAllPossibleRootTagNamespaces(); |
| if (strings.length == 0 || ContainerUtil.intersects(Arrays.asList(strings), namespaces)) { |
| result.put(description.getRootElementClass().getName(), null); |
| } |
| } |
| return result; |
| } |
| return Collections.emptyMap(); |
| } |
| }; |
| } |
| |
| @Override |
| @NotNull |
| public ID<String, Void> getName() { |
| return NAME; |
| } |
| |
| @Override |
| @NotNull |
| public DataIndexer<String, Void, FileContent> getIndexer() { |
| return myDataIndexer; |
| } |
| |
| @NotNull |
| @Override |
| public KeyDescriptor<String> getKeyDescriptor() { |
| return new EnumeratorStringDescriptor(); |
| } |
| |
| @NotNull |
| @Override |
| public FileBasedIndex.InputFilter getInputFilter() { |
| return new DefaultFileTypeSpecificInputFilter(StdFileTypes.XML); |
| } |
| |
| @Override |
| public boolean dependsOnFileContent() { |
| return true; |
| } |
| |
| @Override |
| public int getVersion() { |
| return DomApplicationComponent.getInstance().getCumulativeVersion(); |
| } |
| } |