Info.hh

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/*
 * Copyright (C) 2017 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_PLUGIN_INFO_HH_
#define IGNITION_PLUGIN_INFO_HH_

#include <functional>
#include <memory>
#include <set>
#include <string>
#include <unordered_map>

#include <ignition/utilities/SuppressWarning.hh>

#include <ignition/plugin/Export.hh>

namespace ignition
{
  namespace plugin
  {
    //
    const int INFO_API_VERSION = 1;

    // We use an inline namespace to assist in forward-compatibility. Eventually
    // we may want to support a version-2 of the Info API, in which case
    // we will remove the "inline" declaration here, and create a new inline
    // namespace called "v2". This original Info object will continue to
    // be accessible for backwards compatibility, and even its symbol name in
    // the ABI should remain the same.
    inline namespace v1
    {
      struct IGNITION_PLUGIN_VISIBLE Info
      {
        void Clear();

        IGN_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
        std::string name;
        IGN_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING

        IGN_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
        std::set<std::string> aliases;
        IGN_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING

        IGN_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
        using InterfaceCastingMap =
            std::unordered_map< std::string, std::function<void*(void*)> >;
        InterfaceCastingMap interfaces;
        IGN_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING

        IGN_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
        std::set<std::string> demangledInterfaces;
        IGN_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING

        IGN_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
        std::function<void*()> factory;
        IGN_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING

        IGN_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
        std::function<void(void*)> deleter;
        IGN_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING
      };
    }

    using InfoMap = std::unordered_map<std::string, Info>;
    using ConstInfoPtr = std::shared_ptr<const Info>;
  }
}

#endif