67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
#ifndef RFL_PARSING_PARSER_SHARED_PTR_HPP_
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#define RFL_PARSING_PARSER_SHARED_PTR_HPP_
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#include <map>
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#include <memory>
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#include <type_traits>
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#include "../Ref.hpp"
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#include "../Result.hpp"
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#include "../always_false.hpp"
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#include "Parent.hpp"
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#include "Parser_base.hpp"
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#include "schema/Type.hpp"
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namespace rfl::parsing {
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template <class R, class W, class T, class ProcessorsType>
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requires AreReaderAndWriter<R, W, std::shared_ptr<T>>
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struct Parser<R, W, std::shared_ptr<T>, ProcessorsType> {
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using InputVarType = typename R::InputVarType;
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using OutputVarType = typename W::OutputVarType;
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using ParentType = Parent<W>;
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static Result<std::shared_ptr<T>>
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read(const R& _r, const InputVarType& _var) noexcept {
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if (_r.is_empty(_var)) {
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return std::shared_ptr<T>();
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}
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const auto to_ptr = [](auto&& _t) {
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return std::make_shared<T>(std::move(_t));
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};
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return Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::read(
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_r, _var
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)
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.transform(to_ptr);
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}
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template <class P>
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static void write(
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const W& _w,
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const std::shared_ptr<T>& _s,
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const P& _parent
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) noexcept {
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if (!_s) {
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ParentType::add_null(_w, _parent);
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return;
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}
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Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::write(
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_w, *_s, _parent
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);
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}
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static schema::Type to_schema(
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std::map<std::string, schema::Type>* _definitions
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) {
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using U = std::remove_cvref_t<T>;
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return schema::Type {schema::Type::Optional {Ref<schema::Type>::make(
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Parser<R, W, U, ProcessorsType>::to_schema(_definitions)
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)}};
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}
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};
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} // namespace rfl::parsing
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#endif
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