xml/impl/src/com/intellij/psi/impl/source/tree/XmlFileElement.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 package com.intellij.psi.impl.source.tree;
  17
  18 import com.intellij.lang.ASTNode;
  19 import com.intellij.openapi.diagnostic.Logger;
  20 import com.intellij.psi.tree.ChildRoleBase;
  21 import com.intellij.psi.tree.IElementType;
  22 import com.intellij.psi.xml.XmlChildRole;
  23 import com.intellij.psi.xml.XmlElementType;
  24
  25 public class XmlFileElement extends FileElement implements XmlElementType {
  26   private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.source.tree.XmlFileElement");
  27
  28   public XmlFileElement(CharSequence text) {
  29     super(XML_FILE, text);
  30   }
  31
  32   public XmlFileElement(IElementType type, CharSequence text) {
  33     super(type, text);
  34   }
  35
  36   public int getChildRole(ASTNode child) {
  37     LOG.assertTrue(child.getTreeParent() == this);
  38     if (child.getElementType() == XML_DOCUMENT ||
  39         child.getElementType() == HTML_DOCUMENT) {
  40       return XmlChildRole.XML_DOCUMENT;
  41     }
  42     else {
  43       return ChildRoleBase.NONE;
  44     }
  45   }
  46 }