RinexNavFile.hpp

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// This file is part of INSTINCT, the INS Toolkit for Integrated
// Navigation Concepts and Training by the Institute of Navigation of
// the University of Stuttgart, Germany.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 
#pragma once
 
#include <set>
 
#include "internal/Node/Node.hpp"
#include "Nodes/DataProvider/Protocol/FileReader.hpp"
 
#include "NodeData/GNSS/GnssNavInfo.hpp"
 
namespace NAV
{
class RinexNavFile : public Node, public FileReader
{
  public:
    RinexNavFile();
    ~RinexNavFile() override;
    RinexNavFile(const RinexNavFile&) = delete;
    RinexNavFile(RinexNavFile&&) = delete;
    RinexNavFile& operator=(const RinexNavFile&) = delete;
    RinexNavFile& operator=(RinexNavFile&&) = delete;
 
    [[nodiscard]] static std::string typeStatic();
 
    [[nodiscard]] std::string type() const override;
 
    [[nodiscard]] static std::string category();
 
    void guiConfig() override;
 
    [[nodiscard]] json save() const override;
 
    void restore(const json& j) override;
 
    bool resetNode() override;
 
  private:
    constexpr static size_t OUTPUT_PORT_INDEX_GNSS_NAV_INFO = 0; 
 
    bool initialize() override;
 
    void deinitialize() override;
 
    [[nodiscard]] FileType determineFileType() override;
 
    void executeHeaderParser(double version);
 
    void abortReading()
    {
        LOG_ERROR("{}: The file '{}' is corrupt in line {}.", nameId(), _path, getCurrentLineNumber());
        _gnssNavInfo.reset();
        doDeinitialize();
    };
 
    void executeOrbitParser(double version);
 
    void parseHeader2();
 
    void parseHeader3();
 
    void parseHeader4();
 
    void parseOrbit2();
 
    void parseOrbit3();
 
    void parseOrbit4();
 
    bool parseEphemeris(std::string& line, SatelliteSystem satSys, uint8_t satNum);
 
    void readHeader() override;
 
    void readOrbits();
 
    static inline const std::set<double> _supportedVersions = { 4.00, 3.05, 3.04, 3.03, 3.02, 2.11, 2.10, 2.01 };
 
    enum class NavMsgType : uint8_t
    {
        EPH,    
        STO,    
        EOP,    
        ION,    
        UNKNOWN 
    };
 
    static NavMsgType getNavMsgType(const std::string& type)
    {
        NavMsgType navMsgType = NavMsgType::UNKNOWN;
        if (type == "EPH")
        {
            navMsgType = NavMsgType::EPH;
        }
        else if (type == "STO")
        {
            navMsgType = NavMsgType::STO;
        }
        else if (type == "EOP")
        {
            navMsgType = NavMsgType::EOP;
        }
        else if (type == "ION")
        {
            navMsgType = NavMsgType::ION;
        }
        return navMsgType;
    }
 
    GnssNavInfo _gnssNavInfo;
 
    double _version = 0.0;
 
    bool _sbasNotSupportedWarned = false;
};
 
} // namespace NAV