fitsColumnFormat.hpp

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#ifndef RTCTK_COMPONENTFRAMEWORK_FITSCOLUMNFORMAT_HPP
#define RTCTK_COMPONENTFRAMEWORK_FITSCOLUMNFORMAT_HPP
 
#include <cstddef>
#include <fmt/core.h>
#include <fmt/format.h>
#include <gsl/span>
#include <limits>
#include <optional>
#include <string>
#include <vector>
 
namespace rtctk::componentFramework {

template <class T, typename _ = void>
struct FitsColumnFormat;

template <class T>
std::string GetFitsType(const std::optional<size_t> length = FitsColumnFormat<T>::COUNT) {
    if (FitsColumnFormat<T>::COUNT == 1) {
        // ignore overide setting for scalar values
        return std::string{FitsColumnFormat<T>::TYPE};
    } else if (length == 1) {
        return std::string{FitsColumnFormat<T>::TYPE};
    } else if (length == std::nullopt) {
        return std::string{FitsColumnFormat<T>::PREFIX} + std::string{FitsColumnFormat<T>::TYPE};
    } else {
        return fmt::format_int(length.value()).str() + std::string{FitsColumnFormat<T>::TYPE};
    }
}

template <class T, class... Args>
void GetFITSTForm(std::vector<std::string>& input);

template <class T, class... Args>
void GetFITSTFormWithLength(std::vector<std::string>& input,
                            const gsl::span<std::optional<size_t>, sizeof...(Args) + 1> sizes);
 
}  // namespace rtctk::componentFramework
 
#include <rtctk/componentFramework/fitsColumnFormat.ipp>
 
#endif  // RTCTK_COMPONENTFRAMEWORK_FITSCOLUMNFORMAT_HPP