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dead code

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peter
2011-12-16 18:07:45 +01:00
parent eb1c80ca80
commit 85d5155e06
1 changed files with 0 additions and 122 deletions
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platform/lang-impl/src/com/intellij/psi/impl/cache/impl/VfsIndexer.java
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/*
* Copyright 2000-2009 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.psi.impl.cache.impl;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileFilter;
import com.intellij.psi.PsiBundle;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
public class VfsIndexer {
private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.cache.impl.VfsIndexer");
public static VirtualFile[] writeFileIndex(
OutputStream stream,
VirtualFile root,
VirtualFileFilter filter) throws IOException {
List<VirtualFile> result = new ArrayList<VirtualFile>();
ProgressIndicator progress = ProgressManager.getInstance().getProgressIndicator();
if (progress != null){
progress.setText2(PsiBundle.message("psi.scanning.files.in.folder.progress", root.getPresentableUrl()));
}
DataOutputStream out = stream == null ? null : new DataOutputStream(stream);
_writeFileIndex(out, root, filter, result);
if (out != null){
out.flush();
}
return VfsUtil.toVirtualFileArray(result);
}
private static void _writeFileIndex(DataOutputStream out, VirtualFile file, VirtualFileFilter filter, List<VirtualFile> result) throws IOException {
ProgressManager.checkCanceled();
result.add(file);
if (out != null){
out.writeUTF(file.getName());
}
VirtualFile[] children = file.getChildren();
if (children == null) {
if (out != null){
out.writeInt(0);
}
return;
}
int childrenCount = 0;
for (VirtualFile child : children) {
if (filter.accept(child)) childrenCount++;
}
if (out != null){
out.writeInt(childrenCount);
}
for (VirtualFile child : children) {
if (filter.accept(child)) {
_writeFileIndex(out, child, filter, result);
}
}
}
public static VirtualFile[] readFileIndex(
InputStream stream,
VirtualFile root,
VirtualFileFilter filter
) throws IOException {
List<VirtualFile> result = new ArrayList<VirtualFile>();
DataInputStream in = new DataInputStream(stream);
String rootName = in.readUTF();
LOG.assertTrue(root.getName().equals(rootName));
_readFileIndex(in, root, filter, result);
return VfsUtil.toVirtualFileArray(result);
}
private static void _readFileIndex(DataInputStream in, VirtualFile file, VirtualFileFilter filter, List<VirtualFile> result) throws IOException {
ProgressManager.checkCanceled();
result.add(file);
int childrenCount = in.readInt();
if (childrenCount == 0) return;
for (int i = 0; i < childrenCount; i++) {
String name = in.readUTF();
VirtualFile child = file != null ? file.findChild(name) : null;
if (child != null && !filter.accept(child)){
child = null;
}
_readFileIndex(in, child, filter, result);
}
}
}