get_msgpack_string()

template<typename BasicJsonType , typename InputAdapterType , typename SAX = json_sax_dom_parser<BasicJsonType>>

bool nlohmann::detail::binary_reader< BasicJsonType, InputAdapterType, SAX >::get_msgpack_string ( string_t &  result )

inlineprivate

reads a MessagePack string

This function first reads starting bytes to determine the expected string length and then copies this number of bytes into a string.

Parameters

[out]

result

created string

Returns

whether string creation completed

Definition at line 9973 of file json.hpp.

    {
        if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::msgpack, "string")))
        {
            return false;
        }
 
        switch (current)
        {
            // fixstr
            case 0xA0:
            case 0xA1:
            case 0xA2:
            case 0xA3:
            case 0xA4:
            case 0xA5:
            case 0xA6:
            case 0xA7:
            case 0xA8:
            case 0xA9:
            case 0xAA:
            case 0xAB:
            case 0xAC:
            case 0xAD:
            case 0xAE:
            case 0xAF:
            case 0xB0:
            case 0xB1:
            case 0xB2:
            case 0xB3:
            case 0xB4:
            case 0xB5:
            case 0xB6:
            case 0xB7:
            case 0xB8:
            case 0xB9:
            case 0xBA:
            case 0xBB:
            case 0xBC:
            case 0xBD:
            case 0xBE:
            case 0xBF:
            {
                return get_string(input_format_t::msgpack, static_cast<unsigned int>(current) & 0x1Fu, result);
            }
 
            case 0xD9: // str 8
            {
                std::uint8_t len{};
                return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result);
            }
 
            case 0xDA: // str 16
            {
                std::uint16_t len{};
                return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result);
            }
 
            case 0xDB: // str 32
            {
                std::uint32_t len{};
                return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result);
            }
 
            default:
            {
                auto last_token = get_token_string();
                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string"), BasicJsonType()));
            }
        }
    }