GNSSPerception.hpp

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// Copyright 2025 Intelligent Robotics Lab
//
// 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 EASYNAV_COMMON_TYPES__GNSSPERCEPTIONS_HPP_
#define EASYNAV_COMMON_TYPES__GNSSPERCEPTIONS_HPP_
 
#include <string>
#include <vector>
 
#include "sensor_msgs/msg/nav_sat_fix.hpp"
 
#include "rclcpp_lifecycle/lifecycle_node.hpp"
 
#include "easynav_common/types/Perceptions.hpp"
 
namespace easynav
{

class GNSSPerception : public PerceptionBase
{
public:
  static constexpr std::string_view default_group_ = "gnss";

  static inline bool supports_msg_type(std::string_view t)
  {
    return t == "sensor_msgs/msg/NavSatFix";
  }

  sensor_msgs::msg::NavSatFix data;
};

class GNSSPerceptionHandler : public PerceptionHandler
{
public:
  std::string group() const override {return "gnss";}

  std::shared_ptr<PerceptionBase> create(const std::string &) override
  {
    return std::make_shared<GNSSPerception>();
  }

  rclcpp::SubscriptionBase::SharedPtr create_subscription(
    rclcpp_lifecycle::LifecycleNode & node,
    const std::string & topic,
    const std::string & type,
    std::shared_ptr<PerceptionBase> target,
    rclcpp::CallbackGroup::SharedPtr cb_group) override;
};

using GNSSPerceptions =
  std::vector<std::shared_ptr<GNSSPerception>>;

rclcpp::Time get_latest_gnss_perceptions_stamp(const GNSSPerceptions & perceptions);
 
}  // namespace easynav
 
#endif  // EASYNAV_COMMON_TYPES__GNSSPERCEPTIONS_HPP_