void ApplyUrlToBlock(Gtk.TextIter start, Gtk.TextIter end)
{
NoteBuffer.GetBlockExtents(ref start,
ref end,
256 /* max url length */,
Note.TagTable.UrlTag);
Buffer.RemoveTag(Note.TagTable.UrlTag, start, end);
Gtk.TextIter searchiter = start;
for (Match match = regex.Match(start.GetSlice(end));
match.Success;
match = match.NextMatch())
{
System.Text.RegularExpressions.Group group = match.Groups [1];
/*
* Logger.Log ("Highlighting url: '{0}' at offset {1}",
* group,
* group.Index);
*/
// Use the ForwardSearch instead of group's Index to account for multibyte chars in the text.
// We'll search using the exact match value within provided boundaries.
Gtk.TextIter startiter, enditer;
searchiter.ForwardSearch(group.Value, Gtk.TextSearchFlags.VisibleOnly, out startiter, out enditer, end);
searchiter = enditer;
Buffer.ApplyTag(Note.TagTable.UrlTag, startiter, enditer);
}
}