private Inline MatchOne(IReadOnlyList <MarkdownToken> tokens, out int consumedCount)
{
int totalMatchCount;
IReadOnlyList <MarkdownToken> match;
if ((match = Match(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Star, MarkdownTokenType.Star),
TokenPattern.Optional(MarkdownTokenType.Star, MarkdownTokenType.Star))) != null)
{
var children = MatchAll(match);
var element = new Bold();
element.Inlines.AddRange(children);
consumedCount = 4 + match.Count;
return(element);
}
if ((match = Match(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Underscore, MarkdownTokenType.Underscore),
TokenPattern.Optional(MarkdownTokenType.Underscore, MarkdownTokenType.Underscore))) != null)
{
var children = MatchAll(match);
var element = new Bold();
element.Inlines.AddRange(children);
consumedCount = 4 + match.Count;
return(element);
}
if ((match = Match(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Tilde, MarkdownTokenType.Tilde),
TokenPattern.Optional(MarkdownTokenType.Tilde, MarkdownTokenType.Tilde))) != null)
{
var children = MatchAll(match);
var element = new Span();
var decoration = new TextDecoration {
Location = TextDecorationLocation.Strikethrough
};
decoration.Freeze();
element.TextDecorations.Add(decoration);
element.Inlines.AddRange(children);
consumedCount = 4 + match.Count;
return(element);
}
if ((match = Match(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Star),
TokenPattern.Optional(MarkdownTokenType.Star))) != null)
{
var children = MatchAll(match);
var element = new Italic();
element.Inlines.AddRange(children);
consumedCount = 2 + match.Count;
return(element);
}
if ((match = Match(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Underscore),
TokenPattern.Optional(MarkdownTokenType.Underscore))) != null)
{
var children = MatchAll(match);
var element = new Italic();
element.Inlines.AddRange(children);
consumedCount = 2 + match.Count;
return(element);
}
if ((match = Match(tokens, out totalMatchCount,
start: TokenPattern.Required(MarkdownTokenType.LineBreak))) != null)
{
consumedCount = 1;
return(new LineBreak());
}
if ((match = Match(tokens, out totalMatchCount,
start: TokenPattern.Required(MarkdownTokenType.Whitespace))) != null)
{
consumedCount = 1;
return(new Run(" "));
}
var token = tokens[index : 0];
consumedCount = 1;
return(new Run(token.Text));
}
private Inline MatchOne(IReadOnlyList <MarkdownToken> tokens, out int consumedCount)
{
int totalMatchCount;
IReadOnlyList <MarkdownToken> match;
if ((match = MatchOneStar(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Star, MarkdownTokenType.Star),
TokenPattern.Optional(MarkdownTokenType.Star, MarkdownTokenType.Star))) != null)
{
var children = MatchAll(match);
var element = new Bold();
element.Inlines.AddRange(children);
consumedCount = 4 + match.Count;
return(element);
}
if ((match = MatchOneStar(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Underscore, MarkdownTokenType.Underscore),
TokenPattern.Optional(MarkdownTokenType.Underscore, MarkdownTokenType.Underscore))) != null)
{
var children = MatchAll(match);
var element = new Bold();
element.Inlines.AddRange(children);
consumedCount = 4 + match.Count;
return(element);
}
if ((match = MatchOneStar(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Tilde, MarkdownTokenType.Tilde),
TokenPattern.Optional(MarkdownTokenType.Tilde, MarkdownTokenType.Tilde))) != null)
{
var children = MatchAll(match);
var element = new Span();
var decoration = new TextDecoration {
Location = TextDecorationLocation.Strikethrough
};
decoration.Freeze();
element.TextDecorations.Add(decoration);
element.Inlines.AddRange(children);
consumedCount = 4 + match.Count;
return(element);
}
if ((match = MatchOneStar(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Star),
TokenPattern.Optional(MarkdownTokenType.Star))) != null)
{
var children = MatchAll(match);
var element = new Italic();
element.Inlines.AddRange(children);
consumedCount = 2 + match.Count;
return(element);
}
if ((match = MatchOneStar(tokens, out totalMatchCount,
TokenPattern.Required(MarkdownTokenType.Underscore),
TokenPattern.Optional(MarkdownTokenType.Underscore))) != null)
{
var children = MatchAll(match);
var element = new Italic();
element.Inlines.AddRange(children);
consumedCount = 2 + match.Count;
return(element);
}
if (MatchTwoStar(tokens, out totalMatchCount,
match1: out var match1,
match2: out var match2,
start1: TokenPattern.Required(MarkdownTokenType.SquareBracketOpen),
end1: TokenPattern.Required(MarkdownTokenType.SquareBracketClose),
start2: TokenPattern.Required(MarkdownTokenType.BracketOpen),
end2: TokenPattern.Required(MarkdownTokenType.BracketClose)))
{
consumedCount = totalMatchCount;
var uri = new Uri(ToString(match2));
var hyperlink = new Hyperlink
{
NavigateUri = uri
};
hyperlink.RequestNavigate += (a, b) => HyperlinkRun.NavigateTo(uri, null, null);
hyperlink.Inlines.AddRange(MatchAll(match1));
return(hyperlink);
}
if ((match = MatchOneStar(tokens, out totalMatchCount,
start: TokenPattern.Required(MarkdownTokenType.LineBreak))) != null)
{
consumedCount = 1;
return(new LineBreak());
}
if ((match = MatchOneStar(tokens, out totalMatchCount,
start: TokenPattern.Required(MarkdownTokenType.Whitespace))) != null)
{
consumedCount = 1;
return(new Run(" "));
}
var token = tokens[index : 0];
consumedCount = 1;
return(new Run(token.Text));
}