void _writeUnderline()

in lib/src/highlighter.dart [413:431]

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

  void _writeUnderline(_Line line, SourceSpan span, String character) {
    assert(!isMultiline(span));
    assert(line.text.contains(span.text),
        '"${line.text}" should contain "${span.text}"');

    var startColumn = span.start.column;
    var endColumn = span.end.column;

    // Adjust the start and end columns to account for any tabs that were
    // converted to spaces.
    final tabsBefore = _countTabs(line.text.substring(0, startColumn));
    final tabsInside = _countTabs(line.text.substring(startColumn, endColumn));
    startColumn += tabsBefore * (_spacesPerTab - 1);
    endColumn += (tabsBefore + tabsInside) * (_spacesPerTab - 1);

    _buffer
      ..write(' ' * startColumn)
      ..write(character * math.max(endColumn - startColumn, 1));
  }