draconisplusplus/include/rfl/parsing/Parser_box.hpp

#ifndef RFL_PARSING_PARSER_BOX_HPP_
#define RFL_PARSING_PARSER_BOX_HPP_

#include <map>
#include <type_traits>

#include "../Box.hpp"
#include "../Result.hpp"
#include "Parser_base.hpp"
#include "schema/Type.hpp"

namespace rfl {
  namespace parsing {

    template <class R, class W, class T, class ProcessorsType>
      requires AreReaderAndWriter<R, W, Box<T>>
    struct Parser<R, W, Box<T>, ProcessorsType> {
      using InputVarType  = typename R::InputVarType;
      using OutputVarType = typename W::OutputVarType;

      static Result<Box<T>> read(const R& _r, const InputVarType& _var) noexcept {
        const auto to_box = [](auto&& _t) { return Box<T>::make(std::move(_t)); };
        return Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::read(_r, _var).transform(to_box
        );
      }

      template <class P>
      static void write(const W& _w, const Box<T>& _box, const P& _parent) noexcept {
        Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::write(_w, *_box, _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