draconisplusplus/include/rfl/parsing/Parser_skip.hpp
2024-06-09 18:55:00 -04:00

90 lines
2.5 KiB
C++

#ifndef RFL_PARSING_PARSER_SKIP_HPP_
#define RFL_PARSING_PARSER_SKIP_HPP_
#include <map>
#include <type_traits>
#include "../Result.hpp"
#include "../always_false.hpp"
#include "../internal/Skip.hpp"
#include "Parser_base.hpp"
#include "schema/Type.hpp"
namespace rfl {
namespace parsing {
template <
class R,
class W,
class T,
bool _skip_serialization,
bool _skip_deserialization,
class ProcessorsType>
requires AreReaderAndWriter<
R,
W,
internal::Skip<T, _skip_serialization, _skip_deserialization>>
struct Parser<
R,
W,
internal::Skip<T, _skip_serialization, _skip_deserialization>,
ProcessorsType> {
using InputVarType = typename R::InputVarType;
using OutputVarType = typename W::OutputVarType;
static Result<
internal::Skip<T, _skip_serialization, _skip_deserialization>>
read(const R& _r, const InputVarType& _var) noexcept {
if constexpr (_skip_deserialization) {
return internal::Skip<T, _skip_serialization, _skip_deserialization>(
std::remove_cvref_t<T>()
);
} else {
const auto to_skip = [&](auto&& _t) {
return internal::
Skip<T, _skip_serialization, _skip_deserialization>(std::move(_t
));
};
return Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::read(
_r, _var
)
.transform(to_skip);
}
}
template <class P>
static void write(
const W& _w,
const internal::Skip<T, _skip_serialization, _skip_deserialization>&
_skip,
const P& _parent
) noexcept {
if constexpr (_skip_serialization) {
using ReflectionType = std::remove_cvref_t<typename internal::Skip<
T,
_skip_serialization,
_skip_deserialization>::ReflectionType>;
Parser<R, W, ReflectionType, ProcessorsType>::write(
_w, ReflectionType(), _parent
);
} else {
Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::write(
_w, _skip.value(), _parent
);
}
}
static schema::Type to_schema(
std::map<std::string, schema::Type>* _definitions
) {
return Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::to_schema(
_definitions
);
}
};
} // namespace parsing
} // namespace rfl
#endif