Cloneable.hh

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/*
 * Copyright (C) 2018 Open Source Robotics Foundation
 *
 * 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.
 *
*/

#ifndef IGNITION_PHYSICS_CLONEABLE_HH_
#define IGNITION_PHYSICS_CLONEABLE_HH_

#include <memory>

namespace ignition
{
  namespace physics
  {
    class Cloneable
    {
      public: Cloneable() = default;

      public: virtual ~Cloneable() = default;

      public: Cloneable(const Cloneable &_doNotCopy) = delete;

      public: Cloneable& operator=(const Cloneable &_doNotCopy) = delete;

      public: virtual std::unique_ptr<Cloneable> Clone() const = 0;

      public: virtual void Copy(const Cloneable &_other) = 0;

      public: virtual void Copy(Cloneable &&_other) = 0;
    };

    template <typename T>
    class MakeCloneable final : public T, public Cloneable
    {
      public: template <typename... Args>
      //   This constructor is not marked as explicit because we want it to
      //   allow implicit conversions by design
      MakeCloneable(Args&&... _args); // NOLINT

      public: MakeCloneable(const MakeCloneable &_other);

      public: MakeCloneable(MakeCloneable &&_other);

      public: MakeCloneable &operator=(const MakeCloneable &_other);

      public: MakeCloneable& operator=(MakeCloneable &&_other);

      // Documentation inherited
      public: std::unique_ptr<Cloneable> Clone() const final;

      // Documentation inherited
      public: void Copy(const Cloneable &_other) final;

      // Documentation inherited
      public: void Copy(Cloneable &&_other) final;
    };
  }
}

#include "ignition/physics/detail/Cloneable.hh"

#endif