package com.intellij.psi.search.searches;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiReference;
import com.intellij.util.Function;
/**
* @author max
*/
public class ReferenceDescriptor {
public static final Function<PsiReference, ReferenceDescriptor> MAPPER = new Function<PsiReference, ReferenceDescriptor>() {
public ReferenceDescriptor fun(PsiReference psiReference) {
final PsiElement element = psiReference.getElement();
final PsiFile file = element.getContainingFile();
return new ReferenceDescriptor(file, element.getTextRange().getStartOffset() + psiReference.getRangeInElement().getStartOffset());
}
};
private final PsiFile file;
private final int offset;
ReferenceDescriptor(PsiFile file, int offset) {
this.file = file;
this.offset = offset;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof ReferenceDescriptor)) return false;
ReferenceDescriptor that = (ReferenceDescriptor)o;
if (offset != that.offset) return false;
return file.equals(that.file);
}
@Override
public int hashCode() {
return 31 * file.hashCode() + offset;
}
}