gz/sim/components/LevelEntityNames.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 GZ_GAZEBO_COMPONENTS_LEVELENTITYNAMES_HH_
#define GZ_GAZEBO_COMPONENTS_LEVELENTITYNAMES_HH_
 
#include <iterator>
#include <string>
#include <set>
#include <gz/sim/config.hh>
#include <gz/sim/Export.hh>
 
#include "gz/sim/components/Factory.hh"
#include "gz/sim/components/Component.hh"
 
namespace ignition
{
namespace gazebo
{
// Inline bracket to help doxygen filtering.
inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
namespace serializers
{
  class LevelEntityNamesSerializer
  {
    public: static std::ostream &Serialize(std::ostream &_out,
                                           const std::set<std::string> &_set)
    {
      for (const auto &entity : _set)
      {
        _out << entity << " ";
      }
      return _out;
    }
 
    public: static std::istream &Deserialize(std::istream &_in,
                                             std::set<std::string> &_set)
    {
      _in.setf(std::ios_base::skipws);
 
      _set.clear();
 
      for (auto it = std::istream_iterator<std::string>(_in);
           it != std::istream_iterator<std::string>(); ++it)
      {
        _set.insert(*it);
      }
      return _in;
    }
  };
}
 
namespace components
{
  using LevelEntityNames =
      Component<std::set<std::string>, class LevelEntityNamesTag,
                serializers::LevelEntityNamesSerializer>;
 
  IGN_GAZEBO_REGISTER_COMPONENT("ign_gazebo_components.LevelEntityNames",
      LevelEntityNames)
}
}
}
}
#endif