draconisplusplus/include/rfl/toml/write.hpp

#ifndef RFL_TOML_WRITE_HPP_
#define RFL_TOML_WRITE_HPP_

#include <ostream>
#include <sstream>
#include <string>
#include <toml++/toml.hpp>
#include <type_traits>

#include "../Processors.hpp"
#include "../parsing/Parent.hpp"
#include "Parser.hpp"

namespace rfl::toml {

  /// Writes a TOML into an ostream.
  template <class... Ps>
  std::ostream& write(const auto& _obj, std::ostream& _stream) {
    using T          = std::remove_cvref_t<decltype(_obj)>;
    using ParentType = parsing::Parent<Writer>;
    ::toml::table root;
    auto w = Writer(&root);
    Parser<T, Processors<Ps...>>::write(w, _obj, typename ParentType::Root {});
    _stream << root;
    return _stream;
  }

  /// Returns a TOML string.
  template <class... Ps>
  std::string write(const auto& _obj) {
    using T          = std::remove_cvref_t<decltype(_obj)>;
    using ParentType = parsing::Parent<Writer>;
    std::stringstream sstream;
    ::toml::table root;
    auto w = Writer(&root);
    Parser<T, Processors<Ps...>>::write(w, _obj, typename ParentType::Root {});
    sstream << root;
    return sstream.str();
  }

} // namespace rfl::toml

#endif