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/*
* Copyright 2000-2010 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @author max
*/
package com.intellij.psi;
import com.intellij.openapi.util.TextRange;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class ReferenceRange {
private ReferenceRange() {
}
public static List<TextRange> getRanges(PsiReference ref) {
if (ref instanceof MultiRangeReference) {
return ((MultiRangeReference)ref).getRanges();
}
return Collections.singletonList(ref.getRangeInElement());
}
public static List<TextRange> getAbsoluteRanges(PsiReference ref) {
final PsiElement elt = ref.getElement();
final List<TextRange> relativeRanges = getRanges(ref);
final List<TextRange> answer = new ArrayList<TextRange>(relativeRanges.size());
final int parentOffset = elt.getTextRange().getStartOffset();
for (TextRange relativeRange : relativeRanges) {
answer.add(relativeRange.shiftRight(parentOffset));
}
return answer;
}
public static TextRange getRange(PsiReference ref) {
if (ref instanceof MultiRangeReference) {
final List<TextRange> ranges = ((MultiRangeReference)ref).getRanges();
return new TextRange(ranges.get(0).getStartOffset(), ranges.get(ranges.size() - 1).getEndOffset());
}
return ref.getRangeInElement();
}
public static boolean containsOffsetInElement(PsiReference ref, int offset) {
if (ref instanceof MultiRangeReference) {
for (TextRange range : ((MultiRangeReference)ref).getRanges()) {
if (range.containsOffset(offset)) return true;
}
return false;
}
TextRange rangeInElement = ref.getRangeInElement();
return rangeInElement != null && rangeInElement.containsOffset(offset);
}
public static boolean containsRangeInElement(PsiReference ref, TextRange rangeInElement) {
if (ref instanceof MultiRangeReference) {
for (TextRange range : ((MultiRangeReference)ref).getRanges()) {
if (range.contains(rangeInElement)) return true;
}
return false;
}
TextRange rangeInElement1 = ref.getRangeInElement();
return rangeInElement1 != null && rangeInElement1.contains(rangeInElement);
}
}
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