google-java-format-master/core/src/main/java/com/google/googlejavaformat/java/javadoc/NestingCounter.java
/*
 * Copyright 2016 Google Inc.
 *
 * 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.
 */

package com.google.googlejavaformat.java.javadoc;

/** Mutable integer for tracking the level of nesting. */
final class NestingCounter {
  private int value;

  int value() {
    return value;
  }

  void increment() {
    value++;
  }

  void incrementIfPositive() {
    if (value > 0) {
      value++;
    }
  }

  void decrementIfPositive() {
    if (value > 0) {
      value--;
    }
  }

  boolean isPositive() {
    return value > 0;
  }

  void reset() {
    value = 0;
  }
}
