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#ifndef RFL_TOML_READ_HPP_
#define RFL_TOML_READ_HPP_
#include <istream>
#include <string>
#include <string_view>
#include <toml++/toml.hpp>
#include "../Processors.hpp"
#include "../internal/wrap_in_rfl_array_t.hpp"
#include "Parser.hpp"
#include "Reader.hpp"
namespace rfl::toml {
using InputVarType = typename Reader::InputVarType;
/// Parses an object from a TOML var.
template <class T, class... Ps>
auto read(InputVarType _var) {
const auto r = Reader();
using ProcessorsType = Processors<Ps...>;
static_assert(!ProcessorsType::no_field_names_,
"The NoFieldNames processor is not supported for BSON, XML, "
"TOML, or YAML.");
return Parser<T, ProcessorsType>::read(r, _var);
}
/// Reads a TOML string.
template <class T, class... Ps>
Result<internal::wrap_in_rfl_array_t<T>> read(
const std::string_view _toml_str) noexcept {
#if TOML_EXCEPTIONS
try {
auto table = ::toml::parse(_toml_str);
return read<T, Ps...>(&table);
} catch (const std::exception& e) {
return error(e.what());
}
#else
auto result = ::toml::parse(_toml_str);
if (!result) {
return error(std::string(result.error().description()));
}
return read<T, Ps...>(&result.table());
#endif
}
/// Parses an object from a stringstream.
template <class T, class... Ps>
auto read(std::istream& _stream) {
const auto toml_str = std::string(std::istreambuf_iterator<char>(_stream),
std::istreambuf_iterator<char>());
return read<T, Ps...>(toml_str);
}
} // namespace rfl::toml
#endif
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