448 lines
16 KiB
C++
448 lines
16 KiB
C++
#pragma once
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#include "mcc_coordinate.h"
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#include "mcc_serialization_common.h"
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namespace mcc::impl
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{
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enum class MccSerializerErrorCode : int {
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ERROR_OK,
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ERROR_UNDERLYING_SERIALIZER,
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ERROR_INVALID_EPOCH,
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ERROR_COORD_TRANSFORM
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};
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} // namespace mcc::impl
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namespace std
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{
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template <>
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class is_error_code_enum<mcc::impl::MccSerializerErrorCode> : public true_type
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{
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};
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} // namespace std
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namespace mcc::impl
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{
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// error category
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struct MccSerializerCategory : public std::error_category {
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MccSerializerCategory() : std::error_category() {}
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const char* name() const noexcept
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{
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return "MCC-SERIALIZER-ERR-CATEGORY";
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}
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std::string message(int ec) const
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{
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MccSerializerErrorCode err = static_cast<MccSerializerErrorCode>(ec);
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switch (err) {
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case MccSerializerErrorCode::ERROR_OK:
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return "OK";
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case MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER:
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return "error returned by underlying serializer";
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case MccSerializerErrorCode::ERROR_INVALID_EPOCH:
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return "invalid coordinate epoch";
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case MccSerializerErrorCode::ERROR_COORD_TRANSFORM:
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return "coordinates transformation error";
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default:
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return "UNKNOWN";
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}
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}
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static const MccSerializerCategory& get()
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{
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static const MccSerializerCategory constInst;
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return constInst;
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}
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};
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inline std::error_code make_error_code(MccSerializerErrorCode ec)
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{
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return std::error_code(static_cast<int>(ec), MccSerializerCategory::get());
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}
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/* BASE SERIALIZER CLASS (FOR IMPLEMENTATIONS BELOW) */
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struct MccSerializerBase : mcc_serializer_interface_t<MccError> {
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virtual ~MccSerializerBase() = default;
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using typename mcc_serializer_interface_t<MccError>::error_t;
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protected:
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MccSerializerBase() = default;
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enum CoordType { CO_LON, CO_LAT };
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static void addElemDelimiter(traits::mcc_output_char_range auto& output,
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mcc_serialization_params_c auto const& params)
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{
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std::format_to(std::back_inserter(output), "{}", params.elem_delim);
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}
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static void addSeqDelimiter(traits::mcc_output_char_range auto& output,
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mcc_serialization_params_c auto const& params)
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{
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std::format_to(std::back_inserter(output), "{}", params.seq_delim);
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}
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// set serialized angle format according to coordinates pair format and type of
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// serializing mcc_coord_pair_c::pairKind
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template <MccCoordPairKind PAIRKIND, CoordType TYPE = MccSerializerBase::CO_LON>
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static void angleFormatFromCoordPairType(mcc_serialization_params_c auto& pars)
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{
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if (pars.coordpair_format == MccSerializedCoordPairFormat::MCC_SERIALIZED_FORMAT_DEGREES) {
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pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_DEGREES;
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} else { // format to sexagesimal form according to celestial coordinate type
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if constexpr (TYPE == MccSerializerBase::CO_LON) {
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if (pars.coordpair_format == MccSerializedCoordPairFormat::MCC_SERIALIZED_FORMAT_SXGM_DEGDEG) {
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pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_DEGS;
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} else if (pars.coordpair_format == MccSerializedCoordPairFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURDEG) {
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if constexpr (PAIRKIND == MccCoordPairKind::COORDS_KIND_AZZD ||
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PAIRKIND == MccCoordPairKind::COORDS_KIND_AZALT ||
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PAIRKIND == MccCoordPairKind::COORDS_KIND_XY ||
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PAIRKIND == MccCoordPairKind::COORDS_KIND_GENERIC) { // azimuth is in degrees
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pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_DEGS;
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} else { // RA or HA
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pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURS;
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}
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} else {
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// !!!!!!!!!!!!!!!!!!
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}
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} else { // Y-coordinates (co-latitude one, DEC, ALT, ZD, generic X) is always in degrees for celestial
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// point
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pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_DEGS;
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}
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}
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}
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template <typename VT, typename R>
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requires(std::ranges::input_range<R> && std::same_as<VT, std::ranges::range_value_t<R>>)
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static error_t serializeRange(mcc_serializer_c auto& sr,
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R const& r,
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traits::mcc_output_char_range auto& output,
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mcc_serialization_params_c auto const& params)
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{
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size_t i = 0, N = std::ranges::size(r);
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for (auto const& el : r) {
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auto err = sr(output, el, params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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if (++i < N) {
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MccSerializerBase::addSeqDelimiter(output, params);
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}
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}
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return MccSerializerErrorCode::ERROR_OK;
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}
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};
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/* MAIN (FALLBACK) TEMPLATED IMPLEMENTATION */
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template <typename VT>
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struct MccSerializer : MccSerializerBase {
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constexpr static std::string_view serializerName{"MCC-FALLBACK-SERIALIZER"};
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template <typename ParamsT = std::nullptr_t>
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error_t operator()(traits::mcc_output_char_range auto& output, VT const& value, ParamsT const& params = nullptr)
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{
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if constexpr (std::formattable<VT, char>) {
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} else if constexpr (std::convertible_to<VT, std::string>) {
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auto err = MccSerializer<std::string>{}(output, static_cast<std::string>(value), params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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} else if constexpr (std::ranges::range<VT>) {
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using value_t = std::remove_cv_t<std::ranges::range_value_t<VT>>;
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// special range (character sequence)
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if constexpr (std::same_as<value_t, char>) {
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std::string str;
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std::ranges::copy(value, std::back_inserter(str));
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auto err = MccSerializer<std::string>{}(output, str, params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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} else {
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MccSerializer<value_t> sr;
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return MccSerializerBase::serializeRange<value_t>(sr, value, output, params);
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}
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} else {
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static_assert(false, "UNSUPPORTED TYPE!!!");
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}
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return MccSerializerErrorCode::ERROR_OK;
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}
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};
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/* SPECIALIZATION FOR THE SOME CONCEPTS */
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/* std::chrono::sys_time variants and its sequence */
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template <typename VT>
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requires traits::mcc_systime_c<VT>
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struct MccSerializer<VT> : MccSerializerBase {
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virtual ~MccSerializer() = default;
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constexpr static std::string_view serializerName{"MCC-SYSTIME-SERIALIZER"};
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template <typename ParamsT = std::nullptr_t>
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error_t operator()(traits::mcc_output_char_range auto& output, VT const& value, ParamsT const& params = nullptr)
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{
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std::vformat_to(std::back_inserter(output), params.systime_format, std::make_format_args(value));
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return MccSerializerErrorCode::ERROR_OK;
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}
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};
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template <typename VT>
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requires(!std::is_arithmetic_v<VT> && mcc_angle_c<VT>)
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struct MccSerializer<VT> : MccSerializerBase {
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constexpr static std::string_view serializerName{"MCC-ANGLE-SERIALIZER"};
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template <typename ParamsT = std::nullptr_t>
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error_t operator()(traits::mcc_output_char_range auto& output, VT const& value, ParamsT const& params = nullptr)
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{
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double v = (double)value; // radians (see mcc_angle_c concept)
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std::string sgm;
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switch (params.angle_format) {
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case MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_DEGREES:
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v *= MCC_RADS_TO_DEGRESS;
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return MccSerializer<double>{}(output, v, params);
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case MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_DEGS:
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if (params.norm_sxgm) {
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sgm = utils::rad2sxg<true>(v, false, params.angle_prec.deg_prec);
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} else {
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sgm = utils::rad2sxg<false>(v, false, params.angle_prec.deg_prec);
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}
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break;
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case MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURS:
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if (params.norm_sxgm) {
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sgm = utils::rad2sxg<true>(v, true, params.angle_prec.hour_prec);
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} else {
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sgm = utils::rad2sxg<false>(v, true, params.angle_prec.hour_prec);
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}
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break;
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default:
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break;
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}
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auto err = MccSerializer<std::string>{}(output, sgm, params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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return MccSerializerErrorCode::ERROR_OK;
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};
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};
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template <mcc_coord_epoch_c VT>
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struct MccSerializer<VT> : MccSerializerBase {
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constexpr static std::string_view serializerName{"MCC-COORD-EPOCH-SERIALIZER"};
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template <typename ParamsT = std::nullptr_t>
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error_t operator()(traits::mcc_output_char_range auto& output, VT const& value, ParamsT const& params = nullptr)
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{
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double jd;
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switch (params.timepoint_format) {
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case MccTimePointFormat::MCC_TIMEPOINT_FORMAT_DATE: {
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auto tp = value.UTC();
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auto err = MccSerializer<decltype(tp)>{}(output, tp, params);
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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case MccTimePointFormat::MCC_TIMEPOINT_FORMAT_JEPOCH: {
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auto ep = value.JEpoch();
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auto err = MccSerializer<decltype(ep)>{}(output, ep, params);
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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case MccTimePointFormat::MCC_TIMEPOINT_FORMAT_JD:
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jd = value.MJD() + MCC_J2000_MJD;
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break;
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case MccTimePointFormat::MCC_TIMEPOINT_FORMAT_MJD:
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jd = value.MJD();
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break;
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}
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auto err = MccSerializer<double>{}(output, jd, params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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return MccSerializerErrorCode::ERROR_OK;
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}
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};
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template <mcc_coord_pair_c VT>
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struct MccSerializer<VT> : MccSerializerBase {
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constexpr static std::string_view serializerName{"MCC-COORD-PAIR-SERIALIZER"};
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template <typename ParamsT = std::nullptr_t>
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error_t operator()(traits::mcc_output_char_range auto& output, VT const& value, ParamsT const& params = nullptr)
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{
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std::conditional_t<std::is_null_pointer_v<ParamsT>, std::nullptr_t, mcc_serialization_params_t> pars =
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std::is_null_pointer_v<ParamsT> ? nullptr : params;
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pars.norm_sxgm = true;
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pars.coordpair_format = MccSerializedCoordPairFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURDEG;
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// X-coordinate
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MccSerializerBase::angleFormatFromCoordPairType<VT::pairKind, MccSerializerBase::CO_LON>(pars);
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auto err = MccSerializer<MccAngle>{}(output, value.x(), params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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MccSerializerBase::addElemDelimiter(output, params);
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pars.norm_sxgm = false; // do not normalize co-latitude angle
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// Y-coordinate
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MccSerializerBase::angleFormatFromCoordPairType<VT::pairKind, MccSerializerBase::CO_LAT>(pars);
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err = MccSerializer<MccAngle>{}(output, value.y(), params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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MccSerializerBase::addElemDelimiter(output, params);
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// epoch
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auto ep = value.epoch();
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auto ep_err = MccSerializer<decltype(ep)>{}(output, ep, params);
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if (ep_err) {
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return mcc_deduced_err(ep_err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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MccSerializerBase::addElemDelimiter(output, params);
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// pair kind
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return mcc_deduced_err(MccSerializer<std::string_view>{}(output, MccCoordPairKindToStr(VT::pairKind), params),
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MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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return MccSerializerErrorCode::ERROR_OK;
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}
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};
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template <mcc_skypoint_c VT>
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struct MccSerializer<VT> : MccSerializerBase {
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constexpr static std::string_view serializerName{"MCC-SKYPOINT-SERIALIZER"};
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template <typename ParamsT = std::nullptr_t>
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error_t operator()(traits::mcc_output_char_range auto& output, VT const& value, ParamsT const& params = nullptr)
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{
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auto serialize_cpair = [&]<typename T>(T& cp) {
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auto ccte_err = value.to(cp);
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if (ccte_err) {
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return mcc_deduced_err(ccte_err, MccSerializerErrorCode::ERROR_COORD_TRANSFORM);
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}
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auto err = MccSerializer<T>{}(output, cp, params);
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if (err) {
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return mcc_deduced_err(err, MccSerializerErrorCode::ERROR_UNDERLYING_SERIALIZER);
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}
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return MccSerializerErrorCode::ERROR_OK;
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};
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switch (value.pairKind()) {
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case MccCoordPairKind::COORDS_KIND_RADEC_ICRS: {
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MccSkyRADEC_ICRS cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_RADEC_OBS: {
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MccSkyRADEC_OBS cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_RADEC_APP: {
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MccSkyRADEC_APP cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_HADEC_OBS: {
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MccSkyHADEC_OBS cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_HADEC_APP: {
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MccSkyHADEC_APP cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_AZZD: {
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MccSkyAZZD cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_AZALT: {
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MccSkyAZALT cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_XY: {
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MccGenXY cp;
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return serialize_cpair(cp);
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}
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case MccCoordPairKind::COORDS_KIND_GENERIC: {
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MccGenXY cp;
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return serialize_cpair(cp);
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}
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default:
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// !!!!!!!!!!!!
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}
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}
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};
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template <mcc_telemetry_data_c VT>
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struct MccSerializer<VT> : MccSerializerBase {
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constexpr static std::string_view serializerName{"MCC-TELEMETRY-DATA-SERIALIZER"};
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template <typename ParamsT = std::nullptr_t>
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error_t operator()(traits::mcc_output_char_range auto& output, VT const& value, ParamsT const& params = nullptr)
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{
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// FORMAT: RA_OBS_MOUNT, DEC_OBS_MOUNT, RA_APP_MOUNT, DEC_APP_MOUNT, HA_APP_MOUNT, AZ_MOUNT, ZD_MOUNT,
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// REFR_CORR_MOUNT, LAST, ENC_X, ENC_Y, PCM_X, PCM_Y, RA_APP_TAG, DEC_APP_TAG, AZ_TAG, ZD_TAG, TIMEPOINT
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// NOTE: One must assume that the returned RA coordinates are in format of underlying celestial coordinate
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// transformation engine used in the mcc_skypoint_c class implementation. E.g. ERFA-library uses the
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// CIO-based representation of RA
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std::conditional_t<std::is_null_pointer_v<ParamsT>, std::nullptr_t, mcc_serialization_params_t> pars =
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std::is_null_pointer_v<ParamsT> ? nullptr : params;
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pars.norm_sxgm = true;
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pars.coordpair_format = MccSerializedCoordPairFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURDEG;
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// RA_OBS_MOUNT
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MccSerializerBase::angleFormatFromCoordPairType<VT::pairKind, MccSerializerBase::CO_LON>(pars);
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}
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};
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} // namespace mcc::impl
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