platform/lang-api/src/com/intellij/psi/PsiElementVisitor.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;
  17
  18 import com.intellij.psi.templateLanguages.OuterLanguageElement;
  19
  20 /**
  21  * Visitor which can be used to visit elements for all languages.
  22  *
  23  * @see PsiRecursiveElementVisitor
  24  */
  25 public abstract class PsiElementVisitor {
  26   public void visitElement(PsiElement element) {
  27   }
  28
  29   public void visitFile(PsiFile file) {
  30     visitElement(file);
  31   }
  32
  33   public void visitBinaryFile(PsiBinaryFile file){
  34     visitFile(file);
  35   }
  36
  37   public void visitPlainTextFile(PsiPlainTextFile file){
  38     visitFile(file);
  39   }
  40
  41   public void visitErrorElement(PsiErrorElement element) {
  42     visitElement(element);
  43   }
  44
  45   public void visitPlainText(PsiPlainText content) {
  46     visitElement(content);
  47   }
  48
  49   public void visitDirectory(PsiDirectory dir) {
  50     visitElement(dir);
  51   }
  52
  53   public void visitComment(PsiComment comment) {
  54     visitElement(comment);
  55   }
  56
  57   public void visitWhiteSpace(PsiWhiteSpace space) {
  58     visitElement(space);
  59   }
  60
  61   public void visitOuterLanguageElement(OuterLanguageElement element) {
  62     visitElement(element);
  63   }
  64 }