int getLine()

in lib/src/file.dart [99:114]

• 13 lines of code
• 6 McCabe index (conditional complexity)

  int getLine(int offset) {
    if (offset < 0) {
      throw RangeError('Offset may not be negative, was $offset.');
    } else if (offset > length) {
      throw RangeError('Offset $offset must not be greater than the number '
          'of characters in the file, $length.');
    }

    if (offset < _lineStarts.first) return -1;
    if (offset >= _lineStarts.last) return _lineStarts.length - 1;

    if (_isNearCachedLine(offset)) return _cachedLine!;

    _cachedLine = _binarySearch(offset) - 1;
    return _cachedLine!;
  }