/*
* 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.
*/
/*
* @author max
*/
package com.intellij.psi.stubs;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.List;
public class StubTree extends ObjectStubTree<StubElement<?>> {
public StubTree(@NotNull final PsiFileStub root) {
this(root, true);
}
public StubTree(@NotNull final PsiFileStub root, final boolean withBackReference) {
super((ObjectStubBase)root, withBackReference);
}
@NotNull
@Override
public List<StubElement<?>> getPlainListFromAllRoots() {
final PsiFileStub[] roots = getRoot().getStubRoots();
if (roots.length == 1) return super.getPlainListFromAllRoots();
return ContainerUtil.concat(roots, stub -> {
final ObjectStubTree existingTree = stub.getUserData(STUB_TO_TREE_REFERENCE);
//noinspection unchecked
return existingTree != null ? existingTree.getPlainList() : new StubTree(stub, false).getPlainList();
});
}
@NotNull
@Override
public PsiFileStub getRoot() {
return (PsiFileStub)myRoot;
}
}