| /* |
| * 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.xml.index; |
| |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.containers.HashMap; |
| import com.intellij.util.indexing.*; |
| import com.intellij.util.io.DataExternalizer; |
| import com.intellij.util.text.CharArrayUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class XmlTagNamesIndex extends XmlIndex<Void> { |
| |
| public static Collection<VirtualFile> getFilesByTagName(String tagName, final Project project) { |
| return FileBasedIndex.getInstance().getContainingFiles(NAME, tagName, createFilter(project)); |
| } |
| |
| public static Collection<String> getAllTagNames(Project project) { |
| return FileBasedIndex.getInstance().getAllKeys(NAME, project); |
| } |
| |
| static final ID<String,Void> NAME = ID.create("XmlTagNames"); |
| |
| @Override |
| @NotNull |
| public ID<String, Void> getName() { |
| return NAME; |
| } |
| |
| @Override |
| @NotNull |
| public DataIndexer<String, Void, FileContent> getIndexer() { |
| return new DataIndexer<String, Void, FileContent>() { |
| @Override |
| @NotNull |
| public Map<String, Void> map(@NotNull final FileContent inputData) { |
| final Collection<String> tags = XsdTagNameBuilder.computeTagNames(CharArrayUtil.readerFromCharSequence(inputData.getContentAsText())); |
| if (tags != null && !tags.isEmpty()) { |
| final HashMap<String, Void> map = new HashMap<String, Void>(tags.size()); |
| for (String tag : tags) { |
| map.put(tag, null); |
| } |
| return map; |
| } |
| else { |
| return Collections.emptyMap(); |
| } |
| } |
| }; |
| } |
| |
| @NotNull |
| @Override |
| public DataExternalizer<Void> getValueExternalizer() { |
| return ScalarIndexExtension.VOID_DATA_EXTERNALIZER; |
| } |
| |
| } |