def i_att_group_cardinality(ss: Substrate, ocard: Optional(cardinality), qore: Quads_or_Error) -> sctIdGroups_or_Error:
if qore.inran('qerror'):
return sctIdGroups_or_Error(error=qore.qerror)
qv = quads_for(qore)
rf = quad_direction(qore) == source_direction
if ocard.is_empty:
rval = qv.i_required_att_group_cardinality(N(1), many, rf)
else:
card = ocard.head
if card.min_ > 0:
rval = qv.i_required_att_group_cardinality(card.min_, card.max_, rf)
else:
rval = qv.i_optional_att_group_cardinality(ss, card.max_, rf)
return sctIdGroups_or_Error(group_value=rval)
def i_groupAttribute(ss: Substrate, att: attribute) -> sctIdGroups_or_Error:
att_sctids = i_attributeOperator(ss, att.attrOper, ss.i_attributeName(att.name))
if att_sctids.inran('error'):
return sctIdGroups_or_Error(gerror=att_sctids.error)
elif att.opValue.inran('attrib_expr'):
expr_interp = i_expressionComparisonOperator(ss, att.rf, result_sctids(att_sctids), att.opValue.attrib_expr)
return i_att_group_cardinality(ss, att.card, expr_interp)
elif att.opValue.inran('attrib_num'):
num_interp = i_numericComparsionOperator(ss, att.rf, result_sctids(att_sctids), att.opValue.attrib_num)
return i_att_group_cardinality(ss, att.card, num_interp)
else:
str_interp = i_stringComparisonOperator(ss, att.rf, result_sctids(att_sctids), att.opValue.attrib_str)
return i_att_group_cardinality(ss, att.card, str_interp)
