33 lines
1,000 B
C++
33 lines
1,000 B
C++
#ifndef RFL_INTERNAL_GETMETAFIELDS_HPP_
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#define RFL_INTERNAL_GETMETAFIELDS_HPP_
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#include <array>
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#include <tuple>
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#include <utility>
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#include "../MetaField.hpp"
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#include "../type_name_t.hpp"
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namespace rfl {
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namespace internal {
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template <class NamedTupleType, class... AlreadyExtracted>
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auto get_meta_fields(AlreadyExtracted&&... _already_extracted) {
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constexpr size_t i = sizeof...(_already_extracted);
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if constexpr (NamedTupleType::size() == i) {
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return std::array<MetaField, i> { std::move(_already_extracted)... };
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} else {
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using FieldType = std::tuple_element_t<i, typename NamedTupleType::Fields>;
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auto name = typename FieldType::Name().str();
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auto type = type_name_t<typename FieldType::Type>().str();
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return get_meta_fields<NamedTupleType>(
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std::move(_already_extracted)..., MetaField(std::move(name), std::move(type))
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);
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}
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}
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} // namespace internal
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} // namespace rfl
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#endif
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