private Match <TData, TOffset> CreatePatternMatch(TData input, FstResult <TData, TOffset> match)
{
TOffset matchStart, matchEnd;
_fsa.GetOffsets(EntireMatch, match.Registers, out matchStart, out matchEnd);
Span <TOffset> matchSpan = _spanFactory.Create(matchStart, matchEnd);
var groupCaptures = new List <GroupCapture <TOffset> >();
foreach (string groupName in _fsa.GroupNames)
{
if (groupName == EntireMatch)
{
continue;
}
GroupCapture <TOffset> groupCapture = null;
TOffset start, end;
if (_fsa.GetOffsets(groupName, match.Registers, out start, out end))
{
if (_spanFactory.IsValidSpan(start, end) && _spanFactory.IsRange(start, end))
{
Span <TOffset> span = _spanFactory.Create(start, end);
if (matchSpan.Contains(span))
{
groupCapture = new GroupCapture <TOffset>(groupName, span);
}
}
}
if (groupCapture == null)
{
groupCapture = new GroupCapture <TOffset>(groupName, _spanFactory.Empty);
}
groupCaptures.Add(groupCapture);
}
return(new Match <TData, TOffset>(this, matchSpan, input, groupCaptures,
string.IsNullOrEmpty(match.ID) ? new string[0] : match.ID.Split('*'), match.VariableBindings, match.NextAnnotation));
}