/*
 * Copyright 2000-2014 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 org.jetbrains.annotations.NotNull;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class ReferenceRange {
  private ReferenceRange() {
  }

  @NotNull
  public static List<TextRange> getRanges(@NotNull PsiReference ref) {
    if (ref instanceof MultiRangeReference) {
      return ((MultiRangeReference)ref).getRanges();
    }
    return Collections.singletonList(ref.getRangeInElement());
  }

  @NotNull
  public static List<TextRange> getAbsoluteRanges(@NotNull PsiReference ref) {
    final PsiElement elt = ref.getElement();
    final List<TextRange> relativeRanges = getRanges(ref);
    final List<TextRange> answer = new ArrayList<>(relativeRanges.size());
    final int parentOffset = elt.getTextRange().getStartOffset();
    for (TextRange relativeRange : relativeRanges) {
      answer.add(relativeRange.shiftRight(parentOffset));
    }
    return answer;
  }

  public static TextRange getRange(@NotNull 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(@NotNull 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(@NotNull PsiReference ref, @NotNull 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);
  }
}

@@ -1,13 +1,10 @@
 /
-*%0A *
+/
  Copyrig
@@ -18,9 +18,9 @@
 -201
-4
+9
  Jet
@@ -36,566 +36,109 @@
 r.o.
-%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A * http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */
+ Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 %0A%0A/*
@@ -1793,111 +1793,38 @@
     
-TextRange rangeInElement = ref.getRangeInElement();%0A    return rangeInElement != null && rangeInElement
+return ref.getRangeInElement()
 .con
@@ -2177,114 +2177,38 @@
     
-TextRange rangeInElement1 = ref.getRangeInElement();%0A    return rangeInElement1 != null && rangeInElement1
+return ref.getRangeInElement()
 .con

fix warnings in ReferenceRange