| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package freemarker.core; |
| |
| |
| /** |
| * A range between two integers (maybe 0 long). |
| */ |
| final class BoundedRangeModel extends RangeModel { |
| |
| private final int step, size; |
| private final boolean rightAdaptive; |
| private final boolean affectedByStringSlicingBug; |
| |
| /** |
| * @param inclusiveEnd Tells if the {@code end} index is part of the range. |
| * @param rightAdaptive Tells if the right end of the range adapts to the size of the sliced value, if otherwise |
| * it would be bigger than that. |
| */ |
| BoundedRangeModel(int begin, int end, boolean inclusiveEnd, boolean rightAdaptive) { |
| super(begin); |
| step = begin <= end ? 1 : -1; |
| size = Math.abs(end - begin) + (inclusiveEnd ? 1 : 0); |
| this.rightAdaptive = rightAdaptive; |
| this.affectedByStringSlicingBug = inclusiveEnd; |
| } |
| |
| @Override |
| public int size() { |
| return size; |
| } |
| |
| @Override |
| int getStep() { |
| return step; |
| } |
| |
| @Override |
| boolean isRightUnbounded() { |
| return false; |
| } |
| |
| @Override |
| boolean isRightAdaptive() { |
| return rightAdaptive; |
| } |
| |
| @Override |
| boolean isAffectedByStringSlicingBug() { |
| return affectedByStringSlicingBug; |
| } |
| |
| } |