CsvFile.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/.
 
/// @file CsvFile.hpp
/// @brief CSV File reader
/// @author T. Topp (topp@ins.uni-stuttgart.de)
/// @date 2022-06-18
 
#pragma once
 
#include "internal/Node/Node.hpp"
#include "Nodes/DataProvider/Protocol/FileReader.hpp"
#include "NodeData/General/CsvData.hpp"
 
namespace NAV
{
/// CSV File reader
class CsvFile : public Node, FileReader
{
  public:
    /// @brief Default constructor
    CsvFile();
    /// @brief Destructor
    ~CsvFile() override;
    /// @brief Copy constructor
    CsvFile(const CsvFile&) = delete;
    /// @brief Move constructor
    CsvFile(CsvFile&&) = delete;
    /// @brief Copy assignment operator
    CsvFile& operator=(const CsvFile&) = delete;
    /// @brief Move assignment operator
    CsvFile& operator=(CsvFile&&) = delete;
 
    /// @brief String representation of the Class Type
    [[nodiscard]] static std::string typeStatic();
 
    /// @brief String representation of the Class Type
    [[nodiscard]] std::string type() const override;
 
    /// @brief String representation of the Class Category
    [[nodiscard]] static std::string category();
 
    /// @brief ImGui config window which is shown on double click
    /// @attention Don't forget to set _hasConfig to true in the constructor of the node
    void guiConfig() override;
 
    /// @brief Saves the node into a json object
    [[nodiscard]] json save() const override;
 
    /// @brief Restores the node from a json object
    /// @param[in] j Json object with the node state
    void restore(const json& j) override;
 
  private:
    /// @brief Initialize the node
    bool initialize() override;
 
    /// @brief Deinitialize the node
    void deinitialize() override;
 
    /// @brief Resets the node. It is guaranteed that the node is initialized when this is called.
    bool resetNode() override;
 
    /// @brief Determines the type of the file
    /// @return The File Type
    [[nodiscard]] FileType determineFileType() override;
 
    /// @brief Read the Header of the file
    void readHeader() override;
 
    /// Data container
    CsvData _data;
 
    /// Delimiter character
    char _delimiter = ',';
 
    /// Comment character
    char _comment = '#';
 
    /// Amount of lines to skip at the start
    int _skipLines = 0;
 
    /// Flag whether there is a header line at the start
    bool _hasHeaderLine = true;
};
 
} // namespace NAV