protected override void Write(AttributedTextRenderer renderer, HtmlInline obj)
{
var tag = obj.Tag;
if (tag.StartsWith("<span ", StringComparison.Ordinal) &&
!tag.EndsWith("/>", StringComparison.Ordinal))
{
var styleIndex = tag.IndexOf("style", StringComparison.Ordinal);
if (styleIndex >= 0)
{
var firstQuote = tag.IndexOf('"', styleIndex);
if (firstQuote > styleIndex)
{
firstQuote += 1;
var secondQuote = tag.IndexOf('"', firstQuote);
if (secondQuote > firstQuote)
{
var style = tag.Substring(firstQuote, secondQuote - firstQuote);
var start = renderer.Count;
var spanData = new SpanData {
Start = start, Style = style
};
_spans.Push(spanData);
}
}
}
}
else if (tag.Equals("</span>", StringComparison.Ordinal))
{
if (_spans.Count > 0)
{
var span = _spans.Pop();
var end = renderer.Count;
var length = end - span.Start;
var values = SimpleCssParser.Parse(span.Style);
if (values != null)
{
var attributes = new TextAttributes();
string color = null;
if (values.TryGetValue("color", out color))
{
attributes[TextAttribute.Color] = color;
}
string background = null;
if (values.TryGetValue("background", out background))
{
attributes[TextAttribute.Background] = background;
}
if (attributes.Count > 0)
{
renderer.AddTextRun(span.Start, length, attributes);
}
}
}
}
}
protected override void Write(
AttributedTextRenderer renderer,
ListBlock listBlock)
{
var start = renderer.Count;
renderer.EnsureLine();
foreach (var item in listBlock)
{
var listItem = (ListItemBlock)item;
renderer.EnsureLine();
renderer.Write("• ");
renderer.WriteChildren(listItem);
}
var length = renderer.Count - start;
if (length > 0)
{
var attributes = new TextAttributes();
if (!listBlock.IsOrdered)
{
attributes[TextAttribute.UnorderedList] = "True";
}
renderer.AddTextRun(start, length, attributes);
}
}
protected override void Write(AttributedTextRenderer renderer, EmphasisInline obj)
{
var start = renderer.Count;
renderer.WriteChildren(obj);
var length = renderer.Count - start;
var bold = IsBold(obj);
var underline = IsUnderline(obj);
var italic = IsItalic(obj);
var strikethrough = IsStrikethrough(obj);
var subscript = IsSubscript(obj);
var superscript = IsSuperscript(obj);
if (length > 0 && (bold || italic || strikethrough || subscript || superscript || underline))
{
var attributes = new TextAttributes();
attributes.SetBold(bold);
attributes.SetItalic(italic);
attributes.SetStrikethrough(strikethrough);
attributes.SetSubscript(subscript);
attributes.SetSuperscript(superscript);
attributes.SetUnderline(underline);
renderer.AddTextRun(start, length, attributes);
}
}
