void checkPrefixes()

in lib/src/intl/number_parser.dart [133:156]

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

  void checkPrefixes({bool skip = false}) {
    bool checkPrefix(String prefix) =>
        prefix.isNotEmpty && input.startsWith(prefix);

    // TODO(alanknight): There's a faint possibility of a bug here where
    // a positive prefix is followed by a negative prefix that's also a valid
    // part of the number, but that seems very unlikely.
    if (checkPrefix(_positivePrefix)) gotPositive = true;
    if (checkPrefix(_negativePrefix)) gotNegative = true;

    // The positive prefix might be a substring of the negative, in
    // which case both would match.
    if (gotPositive && gotNegative) {
      if (_positivePrefix.length > _negativePrefix.length) {
        gotNegative = false;
      } else if (_negativePrefix.length > _positivePrefix.length) {
        gotPositive = false;
      }
    }
    if (skip) {
      if (gotPositive) input.read(_positivePrefix.length);
      if (gotNegative) input.read(_negativePrefix.length);
    }
  }