def evalGroupRule(ec, i, r):
res = evalRule(ec, i, r.orderedContent()[0].value)
if res == D and r.optional:
res = Z
elif res == P:
res = dispatch(r.action, Graph(), ec)
return res
def evalRevArcRule(ec, o, rar):
og = evalPredicateFilter(rar.p, triplesForObject(o, ec.graph))
res = evalCardinality(og, rar.min, rar.max)
if res == P:
res = evalSubjectSpecification(ec, rar.s, og)
if res == P:
res = dispatch(rar.action, og, ec)
return res
def evalArcRule(ec, i, ar):
sg = evalPredicateFilter(ar.p, triplesForSubject(i, ec.graph))
res = evalCardinality(sg, ar.min, ar.max)
if res == P:
res = evalObjectSpecification(ec, ar.o, sg)
if res == P:
res = dispatch(ar.action, sg, ec)
return res