public Inline Parse(ParserContext context, Subject subject)
{
if (!CanParse(subject))
{
return(null);
}
var saved = subject.Save();
var emphChar = subject.Char;
int startCount;
int endCount;
if (CanOpen(subject, emphChar, out startCount))
{
subject.Advance(startCount);
var inlines = new List <Inline>();
while (!subject.EndOfString)
{
if (CanClose(subject, emphChar, startCount, out endCount))
{
if (startCount == 1)
{
subject.Advance(1);
return(new Emphasis(inlines));
}
else if (startCount == 2)
{
subject.Advance(2);
return(new StrongEmphasis(inlines));
}
else
{
subject.Advance(endCount);
if (endCount == 1)
{
var emphasis = new Emphasis(inlines);
inlines.Clear();
inlines.Add(emphasis);
startCount = 2;
}
else if (endCount == 2)
{
var strongEmphasis = new StrongEmphasis(inlines);
inlines.Clear();
inlines.Add(strongEmphasis);
startCount = 1;
}
else
{
return(new StrongEmphasis(new Emphasis(inlines)));
}
}
}
if (subject.EndOfString)
{
break;
}
else
{
var inline = Parsers.CommonMarkInlineParser.Parse(context, subject);
if (inline == null)
{
saved.Restore();
return(null);
}
inlines.Add(inline);
}
}
}
saved.Restore();
return(new InlineString(subject.TakeWhile(emphChar)));
}
public virtual void Visit(StrongEmphasis inline)
{
Write("<strong>");
Write(inline.Inlines);
Write("</strong>");
}
public virtual void Visit(StrongEmphasis inline)
{
WriteStartTag(inline, "strong");
Write(inline.Inlines);
WriteEndTag(inline, "strong");
}