// Copyright (C) 2020 The Android Open Source Project
//
// 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.gerrit.acceptance.testsuite.change;

import com.google.auto.value.AutoValue;

/** Representation of a range used for testing purposes. */
@AutoValue
public abstract class TestRange {

  /** Start position of the range. (inclusive) */
  public abstract Position start();

  /** End position of the range. (exclusive) */
  public abstract Position end();

  static Builder builder() {
    return new AutoValue_TestRange.Builder();
  }

  @AutoValue.Builder
  abstract static class Builder {

    abstract Builder setStart(Position start);

    abstract Builder setEnd(Position end);

    abstract TestRange build();
  }

  /** Position (start/end) of a range. */
  @AutoValue
  public abstract static class Position {

    /** 1-based line. */
    public abstract int line();

    /** 0-based character offset within the line. */
    public abstract int charOffset();

    static Builder builder() {
      return new AutoValue_TestRange_Position.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {

      abstract Builder line(int line);

      abstract Builder charOffset(int characterOffset);

      abstract Position build();
    }
  }
}