public override BlockState TryOpen(BlockProcessor processor)
{
if (processor.IsCodeIndent)
{
return(BlockState.None);
}
// A link must be of the form *[Some Text]: An abbreviation
var slice = processor.Line;
var startPosition = slice.Start;
var c = slice.NextChar();
if (c != '[')
{
return(BlockState.None);
}
SourceSpan labelSpan;
if (!LinkHelper.TryParseLabel(ref slice, out string label, out labelSpan))
{
return(BlockState.None);
}
c = slice.CurrentChar;
if (c != ':')
{
return(BlockState.None);
}
slice.NextChar();
slice.Trim();
var abbr = new Abbreviation(this)
{
Label = label,
Text = slice,
Span = new SourceSpan(startPosition, slice.End),
Line = processor.LineIndex,
Column = processor.Column,
LabelSpan = labelSpan,
};
if (!processor.Document.HasAbbreviations())
{
processor.Document.ProcessInlinesBegin += DocumentOnProcessInlinesBegin;
}
processor.Document.AddAbbreviation(abbr.Label, abbr);
return(BlockState.BreakDiscard);
}
public static void AddAbbreviation(this MarkdownDocument document, string label, Abbreviation abbr)
{
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (label == null)
{
throw new ArgumentNullException(nameof(label));
}
if (abbr == null)
{
throw new ArgumentNullException(nameof(abbr));
}
var map = document.GetAbbreviations();
if (map == null)
{
map = new Dictionary <string, Abbreviation>();
document.SetData(DocumentKey, map);
}
map[label] = abbr;
}