WorldIter.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_FUEL_TOOLS_WORLDITER_HH_
#define IGNITION_FUEL_TOOLS_WORLDITER_HH_

#include <memory>

#include "ignition/fuel_tools/Helpers.hh"

#ifdef _WIN32
// Disable warning C4251 which is triggered by
// std::unique_ptr
#pragma warning(push)
#pragma warning(disable: 4251)
#endif

namespace ignition
{
  namespace fuel_tools
  {
    class WorldIdentifier;
    class WorldIterPrivate;
    class WorldIterFactory;

    class IGNITION_FUEL_TOOLS_VISIBLE WorldIter
    {
      friend WorldIterFactory;

      protected: explicit WorldIter(std::unique_ptr<WorldIterPrivate> _dptr);

      public: WorldIter(WorldIter && _old);

      public: ~WorldIter();

      public: operator bool() const;

      public: operator WorldIdentifier() const;

      public: WorldIter &operator++();

      public: WorldIdentifier *operator->();

      public: WorldIdentifier &operator*();

      private: std::unique_ptr<WorldIterPrivate> dataPtr;
    };
  }
}

#ifdef _MSC_VER
#pragma warning(pop)
#endif

#endif