public void AddRegisterDirective (RegisterDirective directive, TextEditor editor, bool preserveCaretPosition)
{
var node = GetRegisterInsertionPointNode ();
if (node == null)
return;
Doc.Info.RegisteredTags.Add (directive);
var line = Math.Max (node.Location.EndLine, node.Location.BeginLine);
var pos = editor.GetPositionFromLineColumn (line, editor.GetLineLength (line) + 1);
if (pos < 0)
return;
editor.BeginAtomicUndo ();
var oldCaret = editor.CursorPosition;
var inserted = editor.InsertText (pos, editor.NewLine + directive.ToString ());
if (preserveCaretPosition) {
editor.CursorPosition = (pos < oldCaret)? oldCaret + inserted : oldCaret;
}
editor.EndAtomicUndo ();
}