Function Utf8BytesIndicated

lib/yamlcpp/src/emitterutils.cpp:64–86

}

int Utf8BytesIndicated(char ch) {
  int byteVal = static_cast<unsigned char>(ch);
  switch (byteVal >> 4) {
    case 0:
    case 1:
    case 2:
    case 3:
    case 4:
    case 5:
    case 6:
    case 7:
      return 1;
    case 12:
    case 13:
      return 2;
    case 14:
      return 3;
    case 15:
      return 4;
    default:
      return -1;
  }
}

bool IsTrailingByte(char ch) { return (ch & 0xC0) == 0x80; }