Function unicodeToAscii

src/utils/string.cpp:420–453

* @brief Converts unicode @a bytes to ASCII string. * * @param[in] bytes Bytes for conversion. * @param[in] nBytes Number of bytes. * * @return Converted string in ASCII. */

* @return Converted string in ASCII.
*/
std::string unicodeToAscii(const std::uint8_t *bytes, std::size_t nBytes)
{
	std::stringstream result;
	if (!bytes || !nBytes)
	{
		return {};
	}
	if (nBytes & 1)
	{
		nBytes--;
	}

	for (std::size_t i = 0; i < nBytes; i += 2)
	{
		if (bytes[i] == 0 && bytes[i + 1] == 0)
		{
			break;
		}
		if (bytes[i + 1] == 0 && isPrintableChar(bytes[i]))
		{
			result << bytes[i];
		}
		else
		{
			const std::size_t maxC = (1 << (sizeof(std::string::value_type) * CHAR_BIT)) - 1;
			const auto val1 = intToHexString(bytes[i] & maxC);
			const auto val2 = intToHexString(bytes[i + 1] & maxC);
			result << "\\x" << std::setw(2) << std::setfill('0') << val1;
			result << "\\x" << std::setw(2) << std::setfill('0') << val2;
		}
	}

	return result.str();
}

/**
* @brief Converts unicode @a bytes to ASCII string.