1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
|
#ifndef RFL_UBJSON_READ_HPP_
#define RFL_UBJSON_READ_HPP_
#include <bit>
#include <istream>
#include <jsoncons/json.hpp>
#include <jsoncons_ext/ubjson/decode_ubjson.hpp>
#include <string>
#include "../Processors.hpp"
#include "../concepts.hpp"
#include "../internal/wrap_in_rfl_array_t.hpp"
#include "Parser.hpp"
#include "Reader.hpp"
namespace rfl::ubjson {
using InputObjectType = typename Reader::InputObjectType;
using InputVarType = typename Reader::InputVarType;
/// Parses an object from UBJSON using reflection.
template <class T, class... Ps>
Result<internal::wrap_in_rfl_array_t<T>> read(
const concepts::ContiguousByteContainer auto& _bytes) {
// TODO: Use a non-throwing decode_ubjson(), pending
// https://github.com/danielaparker/jsoncons/issues/615
try {
auto val = jsoncons::ubjson::decode_ubjson<jsoncons::json>(_bytes);
auto r = Reader();
return Parser<T, Processors<Ps...>>::read(r, InputVarType{&val});
} catch (const jsoncons::ser_error& e) {
std::string error("Could not parse UBJSON: ");
error.append(e.what());
return rfl::error(error);
}
}
/// Parses an object from a stream.
template <class T, class... Ps>
Result<internal::wrap_in_rfl_array_t<T>> read(std::istream& _stream) {
// TODO: Use a non-throwing decode_ubjson(), pending
// https://github.com/danielaparker/jsoncons/issues/615
try {
auto val = jsoncons::ubjson::decode_ubjson<jsoncons::json>(_stream);
auto r = Reader();
return Parser<T, Processors<Ps...>>::read(r, InputVarType{&val});
} catch (const jsoncons::ser_error& e) {
std::string error("Could not parse UBJSON: ");
error.append(e.what());
return rfl::error(error);
}
}
} // namespace rfl::ubjson
#endif
|