selectSelectionMatches function

Implementation

bool selectSelectionMatches(
  EditorState state,
  void Function(txn.Transaction) dispatch,
) {
  final sel = state.selection;
  if (sel.ranges.length > 1 || sel.main.empty) return false;

  final from = sel.main.from;
  final to = sel.main.to;
  final searchText = state.sliceDoc(from, to);

  final ranges = <SelectionRange>[];
  var main = 0;

  final cursor = SearchCursor(state.doc, searchText);
  while (true) {
    final match = cursor.next();
    if (match == null) break;
    if (ranges.length > 1000) return false;
    if (match.from == from) main = ranges.length;
    ranges.add(EditorSelection.range(match.from, match.to));
  }

  dispatch(state.update([
    TransactionSpec(
      selection: EditorSelection.create(ranges, main),
      userEvent: 'select.search.matches',
    ),
  ]));
  return true;
}