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This commit is contained in:
Timur A. Fatkhullin
2026-02-08 21:50:48 +03:00
parent 86bb53d358
commit 07cf211b3d
10 changed files with 2085 additions and 1984 deletions
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374
mcc_deserializer.h
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@@ -1,23 +1,10 @@
#pragma once
/****************************************************************************************
* *
* MOUNT CONTROL COMPONENTS LIBRARY *
* *
* *
* IMPLEMENTATION OF DESERIALIZER CLASSES *
* *
****************************************************************************************/
#include <algorithm>
#include <atomic>
#include <string_view>
#include "mcc_concepts.h"
#include "mcc_coordinate.h"
#include "mcc_epoch.h"
#include "mcc_error.h"
#include "mcc_serialization_common.h"
namespace mcc::impl
{
@@ -89,34 +76,11 @@ inline std::error_code make_error_code(MccDeserializerErrorCode ec)
}
template <mcc_error_c RetT>
struct mcc_deserializer_interface_t {
virtual ~mcc_deserializer_interface_t() = default;
typedef RetT error_t;
/* BASE DESERIALIZER CLASS (FOR IMPLEMENTATIONS BELOW) */
template <std::derived_from<mcc_deserializer_interface_t> SelfT,
traits::mcc_input_char_range R,
typename ValueT,
typename... DeserParamsT>
RetT operator()(this SelfT&& self, R const& input, ValueT& value, DeserParamsT&&... params)
{
return std::forward<SelfT>(self)(input, value);
}
protected:
mcc_deserializer_interface_t() = default;
};
template <typename T>
concept mcc_deserializer_c = std::derived_from<T, mcc_deserializer_interface_t<typename T::error_t>>;
namespace details
{
struct MccDeserializerBase : mcc_deserializer_interface_t<impl::MccError>, utils::mcc_elem_sequence_with_delim_t {
using typename mcc_deserializer_interface_t<impl::MccError>::error_t;
struct MccDeserializerBase : mcc_deserializer_interface_t<MccError> {
using typename mcc_deserializer_interface_t<MccError>::error_t;
virtual ~MccDeserializerBase() = default;
@@ -127,14 +91,18 @@ protected:
//
// empty == true, if the 'input' is empty or if all elements consist of only spaces
//
std::vector<std::string_view> splitAggregateValue(traits::mcc_input_char_range auto const& input, bool& empty) const
static std::vector<std::string_view> splitValueIntoElements(traits::mcc_input_char_range auto const& input,
mcc_serialization_params_c auto const& params,
bool& empty)
{
static_assert(std::ranges::contiguous_range<decltype(input)>, "NOT IMPLEMENTED FOR NON-CONTIGUIUS RANGES!!!");
std::vector<std::string_view> res;
if (std::ranges::size(input)) {
empty = true;
std::ranges::for_each(std::views::split(input, this->_elementDelimiter), [&res, &empty](auto const& el) {
std::ranges::for_each(std::views::split(input, params.elem_delim), [&res, &empty](auto const& el) {
std::back_inserter(res) = utils::trimSpaces(std::string_view{el.begin(), el.end()});
if (empty && res.back().size()) {
empty = false;
@@ -148,17 +116,17 @@ protected:
}
template <typename VT, std::ranges::output_range<VT> R, typename... DeserParamsT>
error_t deserializingRange(mcc_deserializer_c auto& dsr,
traits::mcc_input_char_range auto const& input,
R& r,
DeserParamsT&&... params) const
static error_t deserializingRange(mcc_deserializer_c auto& dsr,
traits::mcc_input_char_range auto const& input,
R& r,
mcc_serialization_params_c auto const& params)
{
if (std::ranges::size(input) == 0) { // ignore an empty input, just return empty range?!!
r = R{};
return MccDeserializerErrorCode::ERROR_OK;
}
auto r_str = std::views::split(input, _seqDelimiter);
auto r_str = std::views::split(input, params.seq_delim);
VT val;
auto it = r.begin();
@@ -181,21 +149,21 @@ protected:
}
};
} // namespace details
/* MAIN (FALLBACK) TEMPLATED IMPLEMENTATION */
/* fallback template: basic deserializer */
template <typename VT>
class MccDeserializer : public details::MccDeserializerBase
{
public:
using typename details::MccDeserializerBase::error_t;
struct MccDeserializer : MccDeserializerBase {
static constexpr std::string_view deserializerName{"MCC-FALLBACK-DESERIALIZER"};
virtual ~MccDeserializer() = default;
error_t operator()(traits::mcc_input_char_range auto const& input, VT& value)
template <mcc_serialization_params_c ParamsT = mcc_serialization_params_t>
error_t operator()(traits::mcc_input_char_range auto const& input,
VT& value,
ParamsT const& params = mcc_serialization_params_t{})
{
if constexpr (std::is_arithmetic_v<VT>) {
auto v = mcc::utils::numFromStr<VT>(utils::trimSpaces(input));
@@ -232,13 +200,13 @@ public:
static_assert(std::is_reference_v<el_t> || std::is_const_v<el_t>, "INVALID RANGE ELEMENT TYPE!!!");
MccDeserializer<el_t> dsr;
return deserializingRange<el_t>(dsr, input, value);
return deserializingRange<el_t>(dsr, input, value, params);
} else if constexpr (traits::mcc_time_duration_c<VT>) {
typename VT::rep vd;
MccDeserializer<typename VT::rep> dsr;
auto err = dsr(trimSpaces(input), vd);
auto err = dsr(trimSpaces(input), vd, params);
if (err) {
return mcc_deduced_err(err, MccDeserializerErrorCode::ERROR_UNDERLYING_DESERIALIZER);
}
@@ -254,72 +222,147 @@ public:
};
/* SPECIALIZATION FOR THE SOME CONCEPTS */
template <mcc_coord_epoch_c VT>
struct MccDeserializer<VT> : MccDeserializerBase {
static constexpr std::string_view deserializerName{"MCC-COORD-EPOCH-DESERIALIZER"};
template <mcc_serialization_params_c ParamsT = mcc_serialization_params_t>
error_t operator()(traits::mcc_input_char_range auto const& input,
VT& value,
ParamsT const& params = mcc_serialization_params_t{})
{
bool ok = value.fromCharRange(input);
if (!ok) {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
return MccDeserializerErrorCode::ERROR_OK;
}
};
template <typename VT>
requires(mcc_coord_epoch_c<VT> || (std::ranges::output_range<VT, std::ranges::range_value_t<VT>> &&
mcc_coord_epoch_c<std::remove_cv_t<std::ranges::range_value_t<VT>>>))
class MccDeserializer<VT> : public details::MccDeserializerBase
{
public:
using typename details::MccDeserializerBase::error_t;
requires(!std::is_arithmetic_v<VT> && mcc_angle_c<VT>)
struct MccDeserializer<VT> : MccDeserializerBase {
static constexpr std::string_view deserializerName{"MCC-ANGLE-DESERIALIZER"};
virtual ~MccDeserializer() = default;
error_t operator()(traits::mcc_input_char_range auto const& input, VT& value)
template <mcc_serialization_params_c ParamsT = mcc_serialization_params_t>
error_t operator()(traits::mcc_input_char_range auto const& input,
VT& value,
ParamsT const& params = mcc_serialization_params_t{})
{
if constexpr (mcc_coord_epoch_c<VT>) { // scalar
bool ok = value.fromCharRange(input);
bool hms = params.angle_format == MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURS;
auto res = utils::parsAngleString(input, hms);
if (res) { // returned angle is in degrees!!!
value = res.value() * MCC_DEGRESS_TO_RADS;
} else {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
return MccDeserializerErrorCode::ERROR_OK;
}
};
template <mcc_skypoint_c VT>
struct MccDeserializer<VT> : MccDeserializerBase {
static constexpr std::string_view deserializerName{"MCC-SKYPOINT-DESERIALIZER"};
template <mcc_serialization_params_c ParamsT = mcc_serialization_params_t>
error_t operator()(traits::mcc_input_char_range auto const& input,
VT& value,
ParamsT const& params = mcc_serialization_params_t{})
{
auto pars = params;
// valid format: X<elem-delim>Y[<elem-delim>TIME-POINT<elem-delim>PAIR-KIND]
// X<elem-delim>Y (assumed RADEC_ICRS and J2000.0 epoch)
bool empty;
auto elems = MccDeserializerBase::splitValueIntoElements(input, params, empty);
if (empty || (elems.size() < 2) || (elems.size() == 3)) {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
MccCoordPairKind pair_kind{MccCoordPairKind::COORDS_KIND_RADEC_ICRS};
MccCelestialCoordEpoch epoch; // J2000.0
MccAngle x, y;
MccDeserializer<MccAngle> dsr_ang;
typename MccDeserializer<MccAngle>::error_t dsr_err;
if (elems.size() > 3) { // full format
// deserialize pair kind string
pair_kind = MccCoordStrToPairKind(elems[3]);
if (pair_kind == MccCoordPairKind::COORDS_KIND_UNKNOWN) {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
// epoch
bool ok = epoch.fromCharRange(elems[2]);
if (!ok) {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
} else { // range
using value_t = std::remove_cv_t<std::ranges::range_value_t<VT>>;
MccDeserializer<value_t> dsr;
return deserializingRange(dsr, input, value);
}
}
};
template <typename VT>
requires(!std::is_arithmetic_v<VT> &&
(mcc_angle_c<VT> || (std::ranges::output_range<VT, std::ranges::range_value_t<VT>> &&
mcc_angle_c<std::remove_cv_t<std::ranges::range_value_t<VT>>>)))
class MccDeserializer<VT> : public details::MccDeserializerBase
{
public:
using typename details::MccDeserializerBase::error_t;
// deserialize X and Y
if (params.coordpair_format == MccSerializedCoordPairFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURDEG) {
pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_HOURS;
} else {
pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_DEGS;
}
virtual ~MccDeserializer() = default;
dsr_err = dsr_ang(elems[0], x, pars);
if (dsr_err) {
return mcc_deduced_err(dsr_err, MccDeserializerErrorCode::ERROR_UNDERLYING_DESERIALIZER);
}
// if hms == true and the input sequence is a sexagesimal string then it interpretates angle as hours:mins:secs
// otherwise the input sequence is interpretated as decimal or sexagesimal degrees
error_t operator()(traits::mcc_input_char_range auto const& input, VT& value, bool hms = false)
{
if constexpr (mcc_angle_c<VT>) { // scalar
auto res = utils::parsAngleString(input, hms);
if (res) { // returned angle is in degrees!!!
value = res.value() * MCC_DEGRESS_TO_RADS;
} else {
pars.angle_format = MccSerializedAngleFormat::MCC_SERIALIZED_FORMAT_SXGM_DEGS;
dsr_err = dsr_ang(elems[1], y, pars);
if (dsr_err) {
return mcc_deduced_err(dsr_err, MccDeserializerErrorCode::ERROR_UNDERLYING_DESERIALIZER);
}
switch (pair_kind) {
case MccCoordPairKind::COORDS_KIND_RADEC_ICRS:
value.from(MccSkyRADEC_ICRS{(double)x, (double)y});
break;
case MccCoordPairKind::COORDS_KIND_RADEC_OBS:
value.from(MccSkyRADEC_OBS{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_RADEC_APP:
value.from(MccSkyRADEC_APP{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_HADEC_OBS:
value.from(MccSkyHADEC_OBS{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_HADEC_APP:
value.from(MccSkyHADEC_APP{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_AZZD:
value.from(MccSkyAZZD{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_AZALT:
value.from(MccSkyAZALT{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_XY:
value.from(MccGenXY{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_GENERIC:
value.from(MccCoordPair{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_LONLAT:
value.from(MccGeoLONLAT{(double)x, (double)y});
break;
default:
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
} else { // range
using value_t = std::remove_cv_t<std::ranges::range_value_t<VT>>;
MccDeserializer<value_t> dsr;
if constexpr (std::invocable<MccDeserializer<value_t>, decltype(input), VT&, bool>) {
// it is assumed here, the angle deserializer has the same behavior as the one implemented above
// (that is, it can interpret the third argument as a flag "false/true = only
// degrees/hour-like")
return deserializingRange<value_t>(dsr, input, value, hms);
} else {
return deserializingRange<value_t>(dsr, input, value);
}
}
return MccDeserializerErrorCode::ERROR_OK;
@@ -327,119 +370,4 @@ public:
};
template <typename VT>
requires(mcc_skypoint_c<VT> || (std::ranges::output_range<VT, std::ranges::range_value_t<VT>> &&
mcc_skypoint_c<std::remove_cv_t<std::ranges::range_value_t<VT>>>))
class MccDeserializer<VT> : public details::MccDeserializerBase
{
public:
using typename details::MccDeserializerBase::error_t;
virtual ~MccDeserializer() = default;
error_t operator()(traits::mcc_input_char_range auto const& input, VT& value)
{
if constexpr (mcc_skypoint_c<VT>) { // scalar: X[elem-delim]Y{[elem-delim]TIME-POINT[elem-delim]PAIR-KIND}
bool empty; // exactly 2 or >3 elements
auto elems = splitAggregateValue(input, empty);
if (empty || (elems.size() < 2) || (elems.size() == 3)) {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
MccCoordPairKind pair_kind{MccCoordPairKind::COORDS_KIND_RADEC_ICRS};
MccCelestialCoordEpoch epoch; // J2000.0
MccAngle x, y;
MccDeserializer<MccAngle> dsr_ang;
typename MccDeserializer<MccAngle>::error_t dsr_err;
if (elems.size() >= 4) { // X, Y, TIME-POINT, PAIR-KIND
// first, get pair-kind
pair_kind = MccCoordStrToPairKind(elems[3]);
if (pair_kind == MccCoordPairKind::COORDS_KIND_UNKNOWN) {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
// epoch
bool ok = epoch.fromCharRange(elems[2]);
if (!ok) {
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
}
if (elems.size() >= 2) { // if == 2: just X and Y (if so it is interpretated as RADEC_ICRS)
if (MccCoordinatePairToSxgmRep(pair_kind) == MccCoordinatePairRep::MCC_COORDPAIR_REP_SXGM_HOURDEG) {
// if input X-angle is in sexagesimal from then interpretate it in hours::mins::secs format
if constexpr (std::invocable<MccDeserializer<MccAngle>, decltype(elems[0]), MccAngle&, bool>) {
// it is assumed here, the angle deserializer has the same behavior as the one implemented above
// (that is, it can interpret the third argument as a flag "false/true = only
// degrees/hour-like")
dsr_err = dsr_ang(elems[0], x, true);
} else {
dsr_err = dsr_ang(elems[0], x);
}
} else {
dsr_err = dsr_ang(elems[0], x);
}
if (dsr_err) {
return mcc_deduced_err(dsr_err, MccDeserializerErrorCode::ERROR_UNDERLYING_DESERIALIZER);
}
dsr_err = dsr_ang(elems[1], y);
if (dsr_err) {
return mcc_deduced_err(dsr_err, MccDeserializerErrorCode::ERROR_UNDERLYING_DESERIALIZER);
}
}
switch (pair_kind) {
case MccCoordPairKind::COORDS_KIND_RADEC_ICRS:
value.from(MccSkyRADEC_ICRS{(double)x, (double)y});
break;
case MccCoordPairKind::COORDS_KIND_RADEC_OBS:
value.from(MccSkyRADEC_OBS{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_RADEC_APP:
value.from(MccSkyRADEC_APP{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_HADEC_OBS:
value.from(MccSkyHADEC_OBS{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_HADEC_APP:
value.from(MccSkyHADEC_APP{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_AZZD:
value.from(MccSkyAZZD{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_AZALT:
value.from(MccSkyAZALT{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_XY:
value.from(MccGenXY{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_GENERIC:
value.from(MccCoordPair{(double)x, (double)y, epoch});
break;
case MccCoordPairKind::COORDS_KIND_LONLAT:
value.from(MccGeoLONLAT{(double)x, (double)y});
break;
default:
return MccDeserializerErrorCode::ERROR_INVALID_SERIALIZED_VALUE;
}
} else { // range
using value_t = std::remove_cv_t<std::ranges::range_value_t<VT>>;
MccDeserializer<value_t> dsr;
return deserializingRange<value_t>(dsr, input, value);
}
return MccDeserializerErrorCode::ERROR_OK;
}
};
} // namespace mcc::impl