public PositionMarkup(PositionMarkupDefinition definition, int index, GroupCollection groups)
: base(definition)
{
Syntax = definition.Syntax;
Index = index;
CapturedValues = groups.Cast <Group>().Skip(1).Select(x => x.Value);
}
private bool TryGetPositionMarkup(
string markup,
int index,
PositionMarkupDefinition markupDefinition,
out PositionMarkup positionMarkup,
out TextSpan span)
{
var currentMarkup = markup.Substring(0, index + 1);
// Note: syntax with regex currently does not exist, but allow it in the future
Match match;
if ((match = Regex.Match(currentMarkup, $"{Regex.Escape(markupDefinition.Syntax)}$")).Success)
{
span = GetTextSpanForSyntax(index, match.Value);
positionMarkup = new PositionMarkup(markupDefinition, span.Start, match.Groups);
return(true);
}
// Use defaults (values shouldn't be used)
span = default(TextSpan);
positionMarkup = null;
return(false);
}
