private static void setSegments(WriteableNiconicoWebTextSegment segment,NiconicoWebTextSegmenter segmenter)
 {
     segment.Segments = new NiconicoWebTextSegmentCollection(segment, segmenter.WritablePartialDivide(segment.FriendlyText, segment));
 }
 internal static INiconicoWebTextSegment ParseHtmlInvalidElementWebText(Match match, NiconicoWebTextSegmenter segmenter, INiconicoWebTextSegment parent)
 {
     var segment = new WriteableNiconicoWebTextSegment(match.Value, string.Empty, NiconicoWebTextSegmentType.HtmlInvalidElement, NiconicoWebTextDecorateFlags.None, parent, null);
     segment.Segments = new NiconicoWebTextSegmentCollection(segment, segmenter.WritablePartialDivide(segment.Text.Substring(1, segment.Text.Length - 1), segment));
     return segment;
 }
 internal static INiconicoWebTextSegment ParseHtmlUnderLineWebText(Match match, NiconicoWebTextSegmenter segmenter, INiconicoWebTextSegment parent)
 {
     var segment = new WriteableNiconicoWebTextSegment(match.Value, match.Groups[NiconicoWebTextPatternIndexs.underLineTextGroupNumber].Value, NiconicoWebTextSegmentType.HtmlUnderLineElement, NiconicoWebTextDecorateFlags.DecoratedUnderLineFlag, parent, null);
     setSegments(segment, segmenter);
     return segment;
 }
        internal static WriteableNiconicoWebTextSegment ParseHtmlFontWebText(Match match, NiconicoWebTextSegmenter segmenter, INiconicoWebTextSegment parent)
        {
            var segment = new WriteableNiconicoWebTextSegment(match.Value,match.Groups[NiconicoWebTextPatternIndexs.fontTextGroupNumber].Value, NiconicoWebTextSegmentType.HtmlFontElement,NiconicoWebTextDecorateFlags.None, parent,null);
            var readOnlySegment = HtmlFontNiconicoWebTextSegment<INiconicoWebTextSegment>.ParseWebTextPartial(match, parent);

            segment.FontElementSize = readOnlySegment.FontElementSize;

            setSegments(segment, segmenter);

            if (readOnlySegment.DecoratedColor)
            {
                segment.Color = readOnlySegment.Color;
                segment.decorateFlag_ |= NiconicoWebTextDecorateFlags.DecoratedColorFlag;
            }

            return segment;
        }