Program Listing for File topic_filter.hpp
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// Copyright 2021, Bosch Software Innovations GmbH.
//
// 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 ROSBAG2_TRANSPORT__TOPIC_FILTER_HPP_
#define ROSBAG2_TRANSPORT__TOPIC_FILTER_HPP_
#include <map>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include "rosbag2_transport/record_options.hpp"
#include "rosbag2_transport/visibility_control.hpp"
// This is necessary because of using stl types here. It is completely safe, because
// a) the member is not accessible from the outside
// b) there are no inline functions.
#ifdef _WIN32
# pragma warning(push)
# pragma warning(disable:4251)
#endif
namespace rosbag2_transport
{
class ROSBAG2_TRANSPORT_PUBLIC TopicFilter
{
public:
explicit TopicFilter(
RecordOptions record_options,
rclcpp::node_interfaces::NodeGraphInterface::SharedPtr node_graph = nullptr,
bool allow_unknown_types = false);
virtual ~TopicFilter();
std::unordered_map<std::string, std::string> filter_topics(
const std::map<std::string, std::vector<std::string>> & topic_names_and_types);
private:
bool take_topic(const std::string & topic_name, const std::vector<std::string> & topic_types);
bool type_is_known(const std::string & topic_name, const std::string & topic_type);
RecordOptions record_options_;
bool allow_unknown_types_ = false;
std::unordered_set<std::string> already_warned_unknown_types_;
rclcpp::node_interfaces::NodeGraphInterface::SharedPtr node_graph_;
};
} // namespace rosbag2_transport
#endif // ROSBAG2_TRANSPORT__TOPIC_FILTER_HPP_