| package com.intellij.structuralsearch.impl.matcher.filters; |
| |
| import com.intellij.dupLocator.util.NodeFilter; |
| import com.intellij.psi.*; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: maxim |
| * Date: 26.12.2003 |
| * Time: 19:23:24 |
| * To change this template use Options | File Templates. |
| */ |
| public class DeclarationFilter extends JavaElementVisitor implements NodeFilter { |
| protected boolean result; |
| |
| @Override public void visitDeclarationStatement(PsiDeclarationStatement dcl) { |
| result = true; |
| } |
| |
| @Override public void visitVariable(PsiVariable psiVar) { |
| result = true; |
| } |
| |
| @Override public void visitClass(PsiClass psiClass) { |
| result = true; |
| } |
| |
| private static class NodeFilterHolder { |
| private static final NodeFilter instance = new DeclarationFilter(); |
| } |
| |
| public static NodeFilter getInstance() { |
| return NodeFilterHolder.instance; |
| } |
| |
| private DeclarationFilter() { |
| } |
| |
| public boolean accepts(PsiElement element) { |
| result = false; |
| if (element!=null) element.accept(this); |
| return result; |
| } |
| } |