Method to_string

libminifi/src/utils/Id.cpp:110–142

}

SmallString<36> Identifier::to_string() const {
  SmallString<36> uuidStr;
  // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx is 36 long: 16 bytes * 2 hex digits / byte + 4 hyphens
  int byteIdx = 0;
  int charIdx = 0;

  // [xxxxxxxx]-xxxx-xxxx-xxxx-xxxxxxxxxxxx
  while (byteIdx < 4) {
    uuidStr[charIdx++] = hex_lut[data_[byteIdx] >> 4];
    uuidStr[charIdx++] = hex_lut[data_[byteIdx++] & 0xf];
  }
  // xxxxxxxx[-]xxxx-xxxx-xxxx-xxxxxxxxxxxx
  uuidStr[charIdx++] = '-';

  // xxxxxxxx-[xxxx-xxxx-xxxx-]xxxxxxxxxxxx - 3x 2 bytes and a hyphen
  for (int idx = 0; idx < 3; ++idx) {
    uuidStr[charIdx++] = hex_lut[data_[byteIdx] >> 4];
    uuidStr[charIdx++] = hex_lut[data_[byteIdx++] & 0xf];
    uuidStr[charIdx++] = hex_lut[data_[byteIdx] >> 4];
    uuidStr[charIdx++] = hex_lut[data_[byteIdx++] & 0xf];
    uuidStr[charIdx++] = '-';
  }

  // xxxxxxxx-xxxx-xxxx-xxxx-[xxxxxxxxxxxx] - the rest, i.e. until byte 16
  while (byteIdx < 16) {
    uuidStr[charIdx++] = hex_lut[data_[byteIdx] >> 4];
    uuidStr[charIdx++] = hex_lut[data_[byteIdx++] & 0xf];
  }

  // null terminator
  uuidStr[charIdx] = 0;
  return uuidStr;
}

utils::optional<Identifier> Identifier::parse(const std::string &str) {
  Identifier id;