lsst::afw::formatters Namespace Reference

Functions
ndarray::Array< std::uint8_t, 1, 1 >	stringToBytes (std::string const &str)
	Encode a std::string as a vector of uint8. More...
std::string	bytesToString (ndarray::Array< std::uint8_t const, 1, 1 > const &bytes)
	Decode a std::string from a vector of uint8 returned by stringToBytes. More...

Function Documentation

bytesToString()

std::string lsst::afw::formatters::bytesToString

(

ndarray::Array< std::uint8_t const, 1, 1 > const &

bytes

)

Decode a std::string from a vector of uint8 returned by stringToBytes.

Definition at line 54 of file Utils.cc.

                                                                           {
    auto nchars = bytes.size() * sizeof(std::uint8_t) / sizeof(char);
    char const* charCArr = reinterpret_cast<char const*>(bytes.getData());
    return std::string(charCArr, nchars);
}

stringToBytes()

ndarray::Array< std::uint8_t, 1, 1 > lsst::afw::formatters::stringToBytes

(

std::string const &

str

)

Encode a std::string as a vector of uint8.

Definition at line 43 of file Utils.cc.

                                                                   {
    auto nbytes = str.size() * sizeof(char) / sizeof(std::uint8_t);
    std::uint8_t const* byteCArr = reinterpret_cast<std::uint8_t const*>(str.data());
    auto shape = ndarray::makeVector(nbytes);
    auto strides = ndarray::makeVector(1);
    // Make an Array that shares memory with `str` (and does not free that memory when destroyed),
    // then return a copy; this is simpler than manually copying the data into a newly allocated array
    ndarray::Array<std::uint8_t const, 1, 1> localArray = ndarray::external(byteCArr, shape, strides);
    return ndarray::copy(localArray);
}