lang-impl/src/com/intellij/psi/impl/source/SourceTreeToPsiMap.java

   1 package com.intellij.psi.impl.source;
   2
   3 import com.intellij.extapi.psi.ASTDelegatePsiElement;
   4 import com.intellij.lang.ASTNode;
   5 import com.intellij.psi.PsiElement;
   6 import com.intellij.psi.impl.source.tree.TreeElement;
   7 import org.jetbrains.annotations.Nullable;
   8
   9 public class SourceTreeToPsiMap {
  10   private SourceTreeToPsiMap() {
  11   }
  12
  13   public static PsiElement treeElementToPsi(@Nullable ASTNode element) {
  14     if (element == null) return null;
  15     return element.getPsi();
  16   }
  17
  18   public static ASTNode psiElementToTree(@Nullable PsiElement psiElement) {
  19     if (psiElement == null) return null;
  20     return psiElement.getNode();
  21   }
  22
  23   public static boolean hasTreeElement(@Nullable PsiElement psiElement) {
  24     return psiElement instanceof TreeElement || psiElement instanceof ASTDelegatePsiElement || psiElement instanceof PsiFileImpl;
  25   }
  26 }