com.intellij.psi.tree.IElementType#find ( )源码实例Demo

@Override
@Nullable
public PsiElement restoreElement(@Nonnull SmartPointerManagerImpl manager) {
  long typeAndId = myStubElementTypeAndId;
  int stubId = (int)typeAndId;
  if (stubId != -1) {
    PsiFile file = restoreFile(manager);
    if (!(file instanceof PsiFileWithStubSupport)) return null;
    short index = (short)(typeAndId >> 32);
    IStubElementType stubElementType = (IStubElementType)IElementType.find(index);
    return PsiAnchor.restoreFromStubIndex((PsiFileWithStubSupport)file, stubId, stubElementType, false);
  }

  return super.restoreElement(manager);
}
 

@Nonnull
@Override
public IElementType typeOf(@Nonnull PsiElement node) {
  IElementType type = PsiUtilCore.getElementType(node);
  return type != null ? type : IElementType.find((short)0);
}
 

IStubElementType<?, ?> getStubType(int id) {
  return (IStubElementType<?, ?>)IElementType.find(getStubTypeIndex(id));
}
 

@Override
public HighlighterIterator createIterator(int startOffset) {
  return new HighlighterIterator(){
    private int index = 0;

    @Override
    public TextAttributes getTextAttributes() {
      return myAttributes;
    }

    @Override
    public int getStart() {
      return 0;
    }

    @Override
    public int getEnd() {
      return myTextLength;
    }

    @Override
    public void advance() {
      index++;
    }

    @Override
    public void retreat(){
      index--;
    }

    @Override
    public boolean atEnd() {
      return index != 0;
    }

    @Override
    public Document getDocument() {
      return myEditor.getDocument();
    }

    @Override
    public IElementType getTokenType(){
      return IElementType.find(IElementType.FIRST_TOKEN_INDEX);
    }
  };
}
 

@Override
public IElementType unpackTokenFromData(int data) {
  return IElementType.find((short)(data & 0xffff));
}
 

@Override
public IElementType unpackTokenFromData(int data) {
  return IElementType.find((short)Math.abs(data));
}
 

@Override
public boolean isForPsiFile() {
  if (myElementTypeId < 0) return false;
  IElementType elementType = IElementType.find(myElementTypeId);
  return elementType instanceof IFileElementType;
}