public ISearchResult FindNext(ITextIterator textIterator, SearchOptions options, bool reverseSearch)
{
if (textIterator.SupportsSearch (options, reverseSearch)) {
if (textIterator.SearchNext (searchPattern, options, reverseSearch)) {
DefaultSearchResult sr = new DefaultSearchResult (textIterator, searchPattern.Length);
if (!reverseSearch)
textIterator.MoveAhead (searchPattern.Length);
return sr;
} else
return null;
}
if (reverseSearch)
throw new NotSupportedException ();
int offset = InternalFindNext(textIterator, options);
if (offset >= 0) {
int pos = textIterator.Position;
textIterator.Position = offset;
DefaultSearchResult sr = new DefaultSearchResult (textIterator, searchPattern.Length);
textIterator.Position = pos;
return sr;
} else
return null;
}
public bool SupportsReverseSearch (ITextIterator textIterator, SearchOptions options)
{
return textIterator.SupportsSearch (options, true);
}