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/*
* 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.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.PairConvertor;
import com.intellij.util.containers.EncoderDecoder;
import com.intellij.util.containers.MultiMap;
import com.intellij.util.containers.hash.HashMap;
import com.intellij.util.indexing.DataIndexer;
import com.intellij.util.indexing.FileBasedIndex;
import com.intellij.util.indexing.FileContent;
import com.intellij.util.indexing.ID;
import com.intellij.util.io.DataExternalizer;
import com.intellij.util.text.CharArrayUtil;
import org.jetbrains.annotations.NotNull;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Created with IntelliJ IDEA.
* User: Irina.Chernushina
* Date: 7/4/12
* Time: 6:29 PM
*
* map: tag name->file url
*/
public class SchemaTypeInheritanceIndex extends XmlIndex<Set<SchemaTypeInfo>> {
private static final ID<String, Set<SchemaTypeInfo>> NAME = ID.create("SchemaTypeInheritance");
private static final Logger LOG = Logger.getInstance("#com.intellij.xml.index.SchemaTypeInheritanceIndex");
private static List<Set<SchemaTypeInfo>> getDirectChildrenOfType(final Project project,
final String ns,
final String name) {
GlobalSearchScope filter = createFilter(project);
final List<Set<SchemaTypeInfo>>
list = FileBasedIndex.getInstance().getValues(NAME, NsPlusTag.INSTANCE.encode(Pair.create(ns, name)), filter);
return list;
}
public static PairConvertor<String, String, List<Set<SchemaTypeInfo>>> getWorker(final Project project, final VirtualFile currentFile) {
return new MyWorker(currentFile, project);
}
private static class MyWorker implements PairConvertor<String, String, List<Set<SchemaTypeInfo>>> {
private final Project myProject;
private final VirtualFile myCurrentFile;
private final GlobalSearchScope myFilter;
private final boolean myShouldParseCurrent;
private MultiMap<SchemaTypeInfo,SchemaTypeInfo> myMap;
private MyWorker(VirtualFile currentFile, Project project) {
myCurrentFile = currentFile;
myProject = project;
myFilter = createFilter(project);
myShouldParseCurrent = (myCurrentFile != null && ! myFilter.contains(myCurrentFile));
}
@Override
public List<Set<SchemaTypeInfo>> convert(String ns, String name) {
List<Set<SchemaTypeInfo>> type = getDirectChildrenOfType(myProject, ns, name);
if (myShouldParseCurrent) {
if (myMap == null) {
try {
myMap = XsdComplexTypeInfoBuilder.parse(CharArrayUtil.readerFromCharSequence(VfsUtil.loadText(myCurrentFile)));
type.add(new HashSet<SchemaTypeInfo>(myMap.get(new SchemaTypeInfo(name, true, ns))));
}
catch (IOException e) {
LOG.info(e);
}
}
}
return type;
}
}
@Override
public boolean dependsOnFileContent() {
return true;
}
@Override
public int getVersion() {
return 0;
}
@NotNull
@Override
public ID<String, Set<SchemaTypeInfo>> getName() {
return NAME;
}
@NotNull
@Override
public DataIndexer<String, Set<SchemaTypeInfo>, FileContent> getIndexer() {
return new DataIndexer<String, Set<SchemaTypeInfo>, FileContent>() {
@NotNull
@Override
public Map<String, Set<SchemaTypeInfo>> map(FileContent inputData) {
final Map<String, Set<SchemaTypeInfo>> map = new HashMap<String, Set<SchemaTypeInfo>>();
final MultiMap<SchemaTypeInfo,SchemaTypeInfo> multiMap =
XsdComplexTypeInfoBuilder.parse(CharArrayUtil.readerFromCharSequence(inputData.getContentAsText()));
for (SchemaTypeInfo key : multiMap.keySet()) {
map.put(NsPlusTag.INSTANCE.encode(Pair.create(key.getNamespaceUri(), key.getTagName())), new HashSet<SchemaTypeInfo>(multiMap.get(key)));
}
return map;
}
};
}
@NotNull
@Override
public DataExternalizer<Set<SchemaTypeInfo>> getValueExternalizer() {
return new DataExternalizer<Set<SchemaTypeInfo>>() {
@Override
public void save(@NotNull DataOutput out, Set<SchemaTypeInfo> value) throws IOException {
out.writeInt(value.size());
for (SchemaTypeInfo key : value) {
out.writeUTF(key.getNamespaceUri());
out.writeUTF(key.getTagName());
out.writeBoolean(key.isIsTypeName());
}
}
@Override
public Set<SchemaTypeInfo> read(@NotNull DataInput in) throws IOException {
final Set<SchemaTypeInfo> set = new HashSet<SchemaTypeInfo>();
final int size = in.readInt();
for (int i = 0; i < size; i++) {
final String nsUri = in.readUTF();
final String tagName = in.readUTF();
final boolean isType = in.readBoolean();
set.add(new SchemaTypeInfo(tagName, isType, nsUri));
}
return set;
}
};
}
private static class NsPlusTag implements EncoderDecoder<Pair<String, String>, String> {
private final static NsPlusTag INSTANCE = new NsPlusTag();
private final static char ourSeparator = ':';
@Override
public String encode(Pair<String, String> pair) {
return pair.getFirst() + ourSeparator + pair.getSecond();
}
@Override
public Pair<String, String> decode(String s) {
final int i = s.indexOf(ourSeparator);
return i <= 0 ? Pair.create("", s) : Pair.create(s.substring(0, i), s.substring(i + 1));
}
}
}
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