fitsDataRecorder.hpp

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#ifndef RTCTK_COMPONENTFRAMEWORK_FITSDATARECORDER_HPP
#define RTCTK_COMPONENTFRAMEWORK_FITSDATARECORDER_HPP
 
#include <functional>
#include <string_view>
#include <memory>
#include <filesystem>
#include <CCfits/FITS.h>
#include <CCfits/Table.h>
#include <gsl/span>
#include "rtctk/componentFramework/fitsColumnFormat.hpp"
#include "rtctk/componentFramework/dataRecorder.hpp"
#include "rtctk/componentFramework/exceptions.hpp"
 
namespace rtctk::componentFramework {
 
struct FitsColumn {
    std::string_view name;
    std::string_view unit;
 
    constexpr FitsColumn(std::string_view new_name, std::string_view new_unit) : name(new_name), unit(new_unit) {}
};
 
/* *
 * The FITSRecorder
 */
template <class... T>
class FitsRecorder : public DataRecorder<T...> {
public:
 
    class FitsError : public RtctkException {
        public:
            using RtctkException::RtctkException;
            explicit FitsError(const CCfits::FitsException& exception) :
                RtctkException("FITS error: " + exception.message()) {}
    };
 
 
    using ColumnDescription = std::array<FitsColumn, sizeof...(T)>;
    explicit FitsRecorder(const ColumnDescription& columns, const std::array<bool, sizeof...(T)>& disable = {}, const std::string& extension_name = "recording");
    ~FitsRecorder() = default;
    void Open(const std::filesystem::path& file) override;
    void Write(const std::tuple<T...>& data) override;
    void Close() override;
 
 
private:
    std::unique_ptr<CCfits::FITS> m_fits_handle;
    CCfits::Table* m_fits_table_handle;
    ColumnDescription m_columns;
    std::string m_extension_name;
    long int m_row_index;
};
 
}  // namespace rtctk::componentFramework
 
#include "fitsDataRecorder.ipp"
 
#endif  // RTCTK_COMPONENTFRAMEWORK_FITSDATARECORDER_HPP