Function parseKeyOrValue

src/function/cast_from_string_functions.cpp:460–490

template<typename T>
static bool parseKeyOrValue(const char*& input, const char* end, T& state, bool isKey,
    bool& closeBracket, const CSVOption* option) {
    auto start = input;
    uint64_t lvl = 0;

    while (input < end) {
        if (*input == '"' || *input == '\'') {
            if (!skipToCloseQuotes(input, end)) {
                return false;
            }
        } else if (*input == '{') {
            if (!skipToClose(input, end, lvl, '}', option)) {
                return false;
            }
        } else if (*input == CopyConstants::DEFAULT_CSV_LIST_BEGIN_CHAR) {
            if (!skipToClose(input, end, lvl, CopyConstants::DEFAULT_CSV_LIST_END_CHAR, option)) {
                return false;
            }
        } else if (isKey && *input == '=') {
            return state.handleKey(start, input, option);
        } else if (!isKey && (*input == ',' || *input == '}')) {
            state.handleValue(start, input, option);
            if (*input == '}') {
                closeBracket = true;
            }
            return true;
        }
        input++;
    }
    return false;
}

// Split map of format: {a=12,b=13}
template<typename T>