Program Listing for File range_sensor.hpp

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// Copyright 2023 flochre
//
// 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 SEMANTIC_COMPONENTS__RANGE_SENSOR_HPP_
#define SEMANTIC_COMPONENTS__RANGE_SENSOR_HPP_

#include <limits>
#include <string>
#include <vector>

#include "semantic_components/semantic_component_interface.hpp"
#include "sensor_msgs/msg/range.hpp"

namespace semantic_components
{
class RangeSensor : public SemanticComponentInterface<sensor_msgs::msg::Range>
{
public:
  explicit RangeSensor(const std::string & name)
  : SemanticComponentInterface(name, {name + "/" + "range"})
  {
  }
  float get_range() const
  {
    const auto data = state_interfaces_[0].get().get_optional();
    if (data.has_value())
    {
      return data.value();
    }
    return std::numeric_limits<float>::quiet_NaN();
  }


  bool get_values_as_message(sensor_msgs::msg::Range & message) const
  {
    message.range = get_range();
    return true;
  }
};

}  // namespace semantic_components

#endif  // SEMANTIC_COMPONENTS__RANGE_SENSOR_HPP_