Method get_ubjson_string

Source/external/json.hpp:10923–11012

! @brief reads a UBJSON string This function is either called after reading the 'S' byte explicitly indicating a string, or in case of an object key where the 'S' byte can be left out. @param[out] result created string @param[in] get_char whether a new character should be retrieved from the input (true, default) or whether the last read character should be considered inste

	@return whether string creation completed
	*/
	bool get_ubjson_string(string_t& result, const bool get_char = true)
	{
		if (get_char)
		{
			get();  // TODO(niels): may we ignore N here?
		}

		if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format, "value")))
		{
			return false;
		}

		switch (current)
		{
			case 'U':
			{
				std::uint8_t len{};
				return get_number(input_format, len) && get_string(input_format, len, result);
			}

			case 'i':
			{
				std::int8_t len{};
				return get_number(input_format, len) && get_string(input_format, len, result);
			}

			case 'I':
			{
				std::int16_t len{};
				return get_number(input_format, len) && get_string(input_format, len, result);
			}

			case 'l':
			{
				std::int32_t len{};
				return get_number(input_format, len) && get_string(input_format, len, result);
			}

			case 'L':
			{
				std::int64_t len{};
				return get_number(input_format, len) && get_string(input_format, len, result);
			}

			case 'u':
			{
				if (input_format != input_format_t::bjdata)
				{
					break;
				}
				std::uint16_t len{};
				return get_number(input_format, len) && get_string(input_format, len, result);
			}

			case 'm':
			{
				if (input_format != input_format_t::bjdata)
				{