/// <summary>
/// Convert a Markdown element to a Forkdown one.
/// </summary>
/// <param name="mdo">Markdown object to convert.</param>
public static Element ToForkdown(IMarkdownObject mdo)
{
Element result = mdo switch {
MarkdownDocument _ => new Document(),
HeadingBlock h => new Heading(h),
ListBlock l => new Listing(l),
ListItemBlock li => new ListItem(li),
ParagraphBlock p => new Paragraph(p),
CustomContainer c => new Section(c),
CustomContainerInline c => new ExplicitInlineContainer(c),
CodeInline c => new Code(c),
FencedCodeBlock c => new CodeBlock(c),
LinkInline l => new Link(l),
LiteralInline t => new Text(t),
LineBreakInline _ => new LineBreak(),
ThematicBreakBlock _ => new Separator(),
Tables.Table t => new Table(t),
Tables.TableRow tr => new TableRow(tr),
Tables.TableCell tc => new TableCell(tc),
EmphasisInline e => new Emphasis(e),
HtmlBlock b => new Html(b),
_ => new Placeholder(mdo),
};
var subs = mdo switch {
LeafBlock b => b.Inline,
IEnumerable <MarkdownObject> e => e,
_ => null
} ?? Nil.E <MarkdownObject>();
public void Setup()
{
document = new Document();
// Workaround for a quirk in the migradoc API.
_ = document.AddSection().Elements;
pdfBuilder = new PdfBuilder(document, PdfOptions.Default);
renderer = new ThematicBreakBlockRenderer();
hr = new ThematicBreakBlock(new ThematicBreakParser());
}
private void Render(ThematicBreakBlock block)
{
var style = this.Theme.Separator;
if (style.BorderSize > 0)
{
stack.Children.Add(new BoxView
{
HeightRequest = style.BorderSize,
BackgroundColor = style.BorderColor,
});
}
}
private IEnumerable <View> Render(ThematicBreakBlock block)
{
var style = this.Theme.Separator;
if (style.BorderSize > 0)
{
return(new View[] { new BoxView
{
HeightRequest = style.BorderSize,
BackgroundColor = style.BorderColor,
} });
}
return(null);
}
private View Render(ThematicBreakBlock block)
{
return(SeparatorTemplate.CreateContent() as View);
}
public MarkdownSeparator(ThematicBreakBlock thematicBlock)
{
AutoSizeAxes = Axes.Y;
RelativeSizeAxes = Axes.X;
}
public override BlockState TryOpen(BlockProcessor processor)
{
if (processor.IsCodeIndent)
{
return(BlockState.None);
}
var startPosition = processor.Start;
var line = processor.Line;
// 4.1 Thematic breaks
// A line consisting of 0-3 spaces of indentation, followed by a sequence of three or more matching -, _, or * characters, each followed optionally by any number of spaces
int breakCharCount = 0;
var breakChar = line.CurrentChar;
bool hasSpacesSinceLastMatch = false;
bool hasInnerSpaces = false;
var c = breakChar;
while (c != '\0')
{
if (c == breakChar)
{
if (hasSpacesSinceLastMatch)
{
hasInnerSpaces = true;
}
breakCharCount++;
}
else if (c.IsSpaceOrTab())
{
hasSpacesSinceLastMatch = true;
}
else
{
return(BlockState.None);
}
c = line.NextChar();
}
// If it as less than 3 chars or it is a setex heading and we are already in a paragraph, let the paragraph handle it
var previousParagraph = processor.CurrentBlock as ParagraphBlock;
var isSetexHeading = previousParagraph != null && breakChar == '-' && !hasInnerSpaces;
if (isSetexHeading)
{
var parent = previousParagraph !.Parent !;
if (previousParagraph.Column != processor.Column && (parent is QuoteBlock or ListItemBlock))
{
isSetexHeading = false;
}
}
if (breakCharCount < 3 || isSetexHeading)
{
return(BlockState.None);
}
// Push a new block
var thematicBreak = new ThematicBreakBlock(this)
{
Column = processor.Column,
Span = new SourceSpan(startPosition, line.End),
ThematicChar = breakChar,
ThematicCharCount = breakCharCount,
// TODO: should we separate whitespace before/after?
//BeforeWhitespace = beforeWhitespace,
//AfterWhitespace = processor.PopBeforeWhitespace(processor.CurrentLineStartPosition),
Content = new StringSlice(line.Text, processor.TriviaStart, line.End, line.NewLine), //include whitespace for now
};
if (processor.TrackTrivia)
{
thematicBreak.LinesBefore = processor.UseLinesBefore();
thematicBreak.NewLine = processor.Line.NewLine;
}
processor.NewBlocks.Push(thematicBreak);
return(BlockState.BreakDiscard);
}
protected override MarkdownSeparator CreateSeparator(ThematicBreakBlock thematicBlock) => new OsuMarkdownSeparator();
