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package com.intellij.structuralsearch.impl.matcher.strategies;
import com.intellij.dupLocator.util.NodeFilter;
import com.intellij.psi.PsiElement;
import com.intellij.psi.XmlElementVisitor;
import com.intellij.psi.xml.XmlTag;
/**
* Base filtering strategy to find statements
*/
public class XmlMatchingStrategy extends XmlElementVisitor implements MatchingStrategy,NodeFilter {
protected boolean result;
@Override public void visitXmlTag(final XmlTag element) {
result = true;
}
public boolean continueMatching(final PsiElement start) {
return accepts(start);
}
@Override
public boolean shouldSkip(PsiElement element, PsiElement elementToMatchWith) {
return false;
}
protected XmlMatchingStrategy() {}
private static class XmlMatchingStrategyHolder {
private static final XmlMatchingStrategy instance = new XmlMatchingStrategy();
}
public static MatchingStrategy getInstance() {
return XmlMatchingStrategyHolder.instance;
}
public boolean accepts(PsiElement element) {
result = false;
if (element!=null) element.accept(this);
return result;
}
}
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