| /* |
| * 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.psi.impl.source.tree; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.lang.FileASTNode; |
| import com.intellij.openapi.util.Getter; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.impl.PsiManagerEx; |
| import com.intellij.psi.impl.source.CharTableImpl; |
| import com.intellij.psi.impl.source.PsiFileImpl; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.util.CharTable; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class FileElement extends LazyParseableElement implements FileASTNode, Getter<FileElement> { |
| private volatile CharTable myCharTable = new CharTableImpl(); |
| private volatile boolean myDetached; |
| |
| @Override |
| protected PsiElement createPsiNoLock() { |
| return myDetached ? null : super.createPsiNoLock(); |
| } |
| |
| public void detachFromFile() { |
| myDetached = true; |
| clearPsi(); |
| } |
| |
| @Override |
| @NotNull |
| public CharTable getCharTable() { |
| return myCharTable; |
| } |
| |
| public FileElement(IElementType type, CharSequence text) { |
| super(type, text); |
| } |
| |
| @Deprecated // for 8.1 API compatibility |
| public FileElement(IElementType type) { |
| super(type, null); |
| } |
| |
| @Override |
| public PsiManagerEx getManager() { |
| CompositeElement treeParent = getTreeParent(); |
| if (treeParent != null) return treeParent.getManager(); |
| return (PsiManagerEx)getPsi().getManager(); //TODO: cache? |
| } |
| |
| @Override |
| public ASTNode copyElement() { |
| PsiFileImpl psiElement = (PsiFileImpl)getPsi(); |
| PsiFileImpl psiElementCopy = (PsiFileImpl)psiElement.copy(); |
| return psiElementCopy.getTreeElement(); |
| } |
| |
| public void setCharTable(@NotNull CharTable table) { |
| myCharTable = table; |
| } |
| |
| @Override |
| public FileElement get() { |
| return this; |
| } |
| } |