Class binary_reader

Source/external/json.hpp:9141–12076

*/
template<typename BasicJsonType, typename InputAdapterType, typename SAX = json_sax_dom_parser<BasicJsonType>>
class binary_reader
{
	using number_integer_t = typename BasicJsonType::number_integer_t;
	using number_unsigned_t = typename BasicJsonType::number_unsigned_t;
	using number_float_t = typename BasicJsonType::number_float_t;
	using string_t = typename BasicJsonType::string_t;
	using binary_t = typename BasicJsonType::binary_t;
	using json_sax_t = SAX;
	using char_type = typename InputAdapterType::char_type;
	using char_int_type = typename std::char_traits<char_type>::int_type;

  public:
	/*!
	@brief create a binary reader

	@param[in] adapter  input adapter to read from
	*/
	explicit binary_reader(InputAdapterType&& adapter, const input_format_t format = input_format_t::json) noexcept : ia(std::move(adapter)), input_format(format)
	{
		(void)detail::is_sax_static_asserts<SAX, BasicJsonType> {};
	}

	// make class move-only
	binary_reader(const binary_reader&) = delete;
	binary_reader(binary_reader&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
	binary_reader& operator=(const binary_reader&) = delete;
	binary_reader& operator=(binary_reader&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
	~binary_reader() = default;

	/*!
	@param[in] format  the binary format to parse
	@param[in] sax_	a SAX event processor
	@param[in] strict  whether to expect the input to be consumed completed
	@param[in] tag_handler  how to treat CBOR tags

	@return whether parsing was successful
	*/
	JSON_HEDLEY_NON_NULL(3)
	bool sax_parse(const input_format_t format,
				   json_sax_t* sax_,
				   const bool strict = true,
				   const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error)
	{
		sax = sax_;
		bool result = false;

		switch (format)
		{
			case input_format_t::bson:
				result = parse_bson_internal();
				break;

			case input_format_t::cbor:
				result = parse_cbor_internal(true, tag_handler);
				break;

			case input_format_t::msgpack:
				result = parse_msgpack_internal();