size_t modifiedLength()

in cxx/fbjni/detail/utf8.cpp [68:87]

• 17 lines of code
• 5 McCabe index (conditional complexity)

size_t modifiedLength(const std::string& str) {
  // Scan for supplementary characters
  size_t j = 0;
  for (size_t i = 0; i < str.size(); ) {
    if (str[i] == 0) {
      i += 1;
      j += 2;
    } else if (i + 4 > str.size() ||
               !isFourByteUTF8Encoding(&(str[i]))) {
      // See the code in utf8ToModifiedUTF8 for what's happening here.
      i += 1;
      j += 1;
    } else {
      i += 4;
      j += 6;
    }
  }

  return j;
}