Function parseShape

src/Processors/Formats/Impl/NpyRowInputFormat.cpp:127–154

}

std::vector<size_t> parseShape(String shape_string)
{
    if (!shape_string.starts_with('(') || !shape_string.ends_with(')'))
        throw Exception(ErrorCodes::INCORRECT_DATA, "Incorrect shape format: {}", shape_string);
    std::vector<std::string> result_str;
    boost::split(result_str, std::string_view(shape_string.data() + 1, shape_string.size() - 2), boost::is_any_of(","));

    std::vector<size_t> shape;
    if (result_str[result_str.size()-1].empty())
        result_str.pop_back();
    if (result_str.empty())
        throw Exception(ErrorCodes::INCORRECT_DATA, "Npy shape must have at least one dimension, got: {}", shape_string);

    shape.reserve(result_str.size());
    for (const String & item : result_str)
    {
        ReadBufferFromString buf(item);
        skipWhitespaceIfAny(buf);
        /// Reject negative values before parsing as unsigned.
        if (!buf.eof() && *buf.position() == '-')
            throw Exception(ErrorCodes::INCORRECT_DATA, "Negative shape dimension in shape {}", shape_string);
        size_t value = 0;
        if (!tryReadIntText(value, buf))
            throw Exception(ErrorCodes::INCORRECT_DATA, "Invalid shape format: {}", shape_string);
        shape.push_back(value);
    }
    return shape;
}

NumpyHeader parseHeader(ReadBuffer &buf)
{