diff options
Diffstat (limited to 'java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/filters/DeclarationFilter.java')
-rw-r--r-- | java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/filters/DeclarationFilter.java | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/filters/DeclarationFilter.java b/java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/filters/DeclarationFilter.java new file mode 100644 index 000000000000..d5f5ef5bf36e --- /dev/null +++ b/java/structuralsearch-java/src/com/intellij/structuralsearch/impl/matcher/filters/DeclarationFilter.java @@ -0,0 +1,44 @@ +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; + } +} |