code: def _ShouldPrintError(category, confidence, linenum):
    
  
    # There are three ways we might decide not to print an error message:
    # a "NOLINT(category)" comment appears in the source,
    # the verbosity level isn't high enough, or the filters filter it out.
    if IsErrorSuppressedByNolint(category, linenum):
      return False
  
    if confidence < _cpplint_state.verbose_level:
      return False
  
    is_filtered = False
    for one_filter in _Filters():
      if one_filter.startswith('-'):
        if category.startswith(one_filter[1:]):
          is_filtered = True
      elif one_filter.startswith('+'):
        if category.startswith(one_filter[1:]):
          is_filtered = False
      else:
        assert False  # should have been checked for in SetFilter.
    if is_filtered:
      return False
  
    return True
docs: If confidence >= verbose, category passes filter and is not suppressed.