private List <SearchResult> GetSearchResults(SearchQuery query, int offset, int length)
{
if (length == 0 || AvalonEditDocument.TextLength == 0)
{
return(null);
}
// Use regular expression.
var regex = query.AsRegex();
if (regex == null)
{
return(null);
}
// Match regular expression.
var matches = regex.Matches(AvalonEditDocument.Text);
// Return the search results within the specified text segment.
var searchResults = new List <SearchResult>(matches.Count);
int endOffset = offset + length;
foreach (Match match in matches)
{
if (offset <= match.Index && match.Index + match.Length <= endOffset)
{
searchResults.Add(new SearchResult(this, match));
}
}
return(searchResults);
}
