platform/lang-impl/src/com/intellij/psi/impl/source/tree/FileElement.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.intellij.psi.impl.source.tree;
  18
  19 import com.intellij.lang.ASTNode;
  20 import com.intellij.psi.impl.PsiManagerEx;
  21 import com.intellij.psi.impl.source.CharTableImpl;
  22 import com.intellij.psi.impl.source.PsiFileImpl;
  23 import com.intellij.psi.tree.IElementType;
  24 import com.intellij.util.CharTable;
  25
  26 public class FileElement extends LazyParseableElement {
  27   private volatile CharTable myCharTable = new CharTableImpl();
  28
  29   public CharTable getCharTable() {
  30     return myCharTable;
  31   }
  32
  33   public FileElement(IElementType type, CharSequence text) {
  34     super(type, text);
  35   }
  36
  37   @Deprecated  // for 8.1 API compatibility
  38   public FileElement(IElementType type) {
  39     super(type, null);
  40   }
  41
  42   public PsiManagerEx getManager() {
  43     if (getTreeParent() != null) return getTreeParent().getManager();
  44     return (PsiManagerEx)getPsi().getManager(); //TODO: cache?
  45   }
  46
  47   public ASTNode copyElement() {
  48     PsiFileImpl psiElement = (PsiFileImpl)getPsi();
  49     PsiFileImpl psiElementCopy = (PsiFileImpl)psiElement.copy();
  50     return psiElementCopy.getTreeElement();
  51   }
  52
  53   public void setCharTable(CharTable table) {
  54     myCharTable = table;
  55   }
  56 }