Method hexstr

GPRS/ByteVector.cpp:371–387

This function returns just the payload part as a hex string. Also works if the ByteVector is encoded as BCD. Probably not efficient, but we are using C++.

// Also works if the ByteVector is encoded as BCD.
// Probably not efficient, but we are using C++.
std::string ByteVector::hexstr() const
{
	int b = 0, numBits = (int) sizeBits();		// Must be int, not unsigned
	std::string ss;
	while (numBits > 0) {
		char ch = getNibble(b,1);
		ss.push_back(ch + (ch > 9 ? ('A'-10) : '0'));
		numBits -= 4;
		if (numBits >= 4) {
			ch = getNibble(b,0);
			ss.push_back(ch + (ch > 9 ? ('A'-10) : '0'));
		}
		b++;
		numBits -= 4;
	}
	return ss;
}

// This function returns "ByteVector(size=... data:...)"
std::string ByteVector::str() const