/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2014 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* 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.plugins.haxe.ide.library;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.roots.OrderRootType;
import com.intellij.openapi.roots.libraries.ui.RootDetector;
import com.intellij.openapi.vfs.JarFileSystem;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileVisitor;
import com.intellij.plugins.haxe.HaxeFileType;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* @author: Fedor.Korotkov
*/
public class HaxeLibRootDetector extends RootDetector {
protected HaxeLibRootDetector(OrderRootType rootType, String presentableRootTypeName) {
super(rootType, false, presentableRootTypeName);
}
@NotNull
@Override
public Collection<VirtualFile> detectRoots(@NotNull VirtualFile rootCandidate, @NotNull ProgressIndicator progressIndicator) {
List<VirtualFile> result = new ArrayList<VirtualFile>();
collectRoots(rootCandidate, result, progressIndicator);
return result;
}
public static void collectRoots(VirtualFile file, final List<VirtualFile> result, @Nullable final ProgressIndicator progressIndicator) {
if (file.getFileSystem() instanceof JarFileSystem) {
return;
}
VfsUtilCore.visitChildrenRecursively(file, new VirtualFileVisitor() {
@Override
public boolean visitFile(@NotNull VirtualFile file) {
if (progressIndicator != null) {
progressIndicator.checkCanceled();
}
if (!file.isDirectory()) return false;
if (progressIndicator != null) {
progressIndicator.setText2(file.getPresentableUrl());
}
if (file.findChild(".current") != null) {
for (VirtualFile child : file.getChildren()) {
if (child.isDirectory() && containsHaxeFiles(child)) {
result.add(child);
}
}
return false;
}
return true;
}
});
}
private static boolean containsHaxeFiles(final VirtualFile dir) {
final VirtualFileVisitor.Result result = VfsUtilCore.visitChildrenRecursively(dir, new VirtualFileVisitor() {
@NotNull
@Override
public Result visitFileEx(@NotNull VirtualFile file) {
return !file.isDirectory() && HaxeFileType.DEFAULT_EXTENSION.equalsIgnoreCase(file.getExtension()) ? skipTo(dir) : CONTINUE;
}
});
return result.skipToParent != null;
}
}