bool _parseAbbreviation()

in lib/src/parser.dart [164:186]

• 14 lines of code
• 8 McCabe index (conditional complexity)

  bool _parseAbbreviation(Parser innermostCommand) {
    // Hand coded regexp: r'^-([a-zA-Z0-9]+)(.*)$'
    // Hyphen then at least one letter/digit then zero or more
    // anything-but-newlines.
    if (_current.length < 2) return false;
    if (!_current.startsWith('-')) return false;

    // Find where we go from letters/digits to rest.
    var index = 1;
    while (index < _current.length &&
        _isLetterOrDigit(_current.codeUnitAt(index))) {
      ++index;
    }
    // Must be at least one letter/digit.
    if (index == 1) return false;

    // If the first character is the abbreviation for a non-flag option, then
    // the rest is the value.
    var lettersAndDigits = _current.substring(1, index);
    var rest = _current.substring(index);
    if (rest.contains('\n') || rest.contains('\r')) return false;
    return _handleAbbreviation(lettersAndDigits, rest, innermostCommand);
  }