Sematic-Cartographer/cartographer-master/cartographer/io/proto_stream_deserializer.h

73 lines
2.6 KiB
C++
Executable File

/*
* Copyright 2018 The Cartographer Authors
*
* 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 CARTOGRAPHER_IO_PROTO_STREAM_DESERIALIZER_H_
#define CARTOGRAPHER_IO_PROTO_STREAM_DESERIALIZER_H_
#include "cartographer/io/proto_stream_interface.h"
#include "cartographer/mapping/proto/pose_graph.pb.h"
#include "cartographer/mapping/proto/serialization.pb.h"
#include "cartographer/mapping/proto/trajectory_builder_options.pb.h"
namespace cartographer {
namespace io {
// Helper function for deserializing the PoseGraph from a proto stream file.
mapping::proto::PoseGraph DeserializePoseGraphFromFile(
const std::string& file_name);
// Helper for deserializing a previously serialized mapping state from a
// proto stream, abstracting away the format parsing logic.
class ProtoStreamDeserializer {
public:
explicit ProtoStreamDeserializer(ProtoStreamReaderInterface* const reader);
ProtoStreamDeserializer(const ProtoStreamDeserializer&) = delete;
ProtoStreamDeserializer& operator=(const ProtoStreamDeserializer&) = delete;
ProtoStreamDeserializer(ProtoStreamDeserializer&&) = delete;
mapping::proto::SerializationHeader& header() { return header_; }
mapping::proto::PoseGraph& pose_graph() {
return *pose_graph_.mutable_pose_graph();
}
const mapping::proto::PoseGraph& pose_graph() const {
return pose_graph_.pose_graph();
}
const mapping::proto::AllTrajectoryBuilderOptions&
all_trajectory_builder_options() {
return all_trajectory_builder_options_.all_trajectory_builder_options();
}
// Reads the next `SerializedData` message of the ProtoStream into `data`.
// Returns `true` if the message was successfully read or `false` in case
// there are no-more messages or an error occurred.
bool ReadNextSerializedData(mapping::proto::SerializedData* data);
private:
ProtoStreamReaderInterface* reader_;
mapping::proto::SerializationHeader header_;
mapping::proto::SerializedData pose_graph_;
mapping::proto::SerializedData all_trajectory_builder_options_;
};
} // namespace io
} // namespace cartographer
#endif // CARTOGRAPHER_IO_PROTO_STREAM_DESERIALIZER_H_