private LeafBlockWrapper processBlocksBefore(final int offset) {
    AdjustWhiteSpacesState state = new AdjustWhiteSpacesState(myWrapState, myProgressCallback, myReformatContext);
    state.prepare();
    
    LeafBlockWrapper last = null;
    while (!state.isDone() && state.getCurrentBlock().getStartOffset() < offset) {
      last = state.getCurrentBlock();
      state.doIteration();
    }

    return state.getCurrentBlock() != null ? state.getCurrentBlock() : last;
  }
private LeafBlockWrapper processBlocksBefore(final int offset)