internal override bool ValidateDerivationByRestriction(XmlSchemaParticle baseParticle,
ValidationEventHandler h, XmlSchema schema, bool raiseError)
{
if (this == baseParticle) // quick check
{
return(true);
}
XmlSchemaElement el = baseParticle as XmlSchemaElement;
if (el != null)
{
// Forbidden
if (raiseError)
{
error(h, "Invalid sequence paricle derivation.");
}
return(false);
}
XmlSchemaSequence seq = baseParticle as XmlSchemaSequence;
if (seq != null)
{
// Recurse
if (!ValidateOccurenceRangeOK(seq, h, schema, raiseError))
{
return(false);
}
// If it is totally optional, then ignore their contents.
if (seq.ValidatedMinOccurs == 0 && seq.ValidatedMaxOccurs == 0 &&
this.ValidatedMinOccurs == 0 && this.ValidatedMaxOccurs == 0)
{
return(true);
}
return(ValidateRecurse(seq, h, schema, raiseError));
}
XmlSchemaAll all = baseParticle as XmlSchemaAll;
if (all != null)
{
// RecurseUnordered
XmlSchemaObjectCollection already = new XmlSchemaObjectCollection();
for (int i = 0; i < this.Items.Count; i++)
{
XmlSchemaElement de = this.Items [i] as XmlSchemaElement;
if (de == null)
{
if (raiseError)
{
error(h, "Invalid sequence particle derivation by restriction from all.");
}
return(false);
}
foreach (XmlSchemaElement e in all.Items)
{
if (e.QualifiedName == de.QualifiedName)
{
if (already.Contains(e))
{
if (raiseError)
{
error(h, "Base element particle is mapped to the derived element particle in a sequence two or more times.");
}
return(false);
}
else
{
already.Add(e);
if (!de.ValidateDerivationByRestriction(e, h, schema, raiseError))
{
return(false);
}
}
}
}
}
foreach (XmlSchemaElement e in all.Items)
{
if (!already.Contains(e))
{
if (!e.ValidateIsEmptiable())
{
if (raiseError)
{
error(h, "In base -all- particle, mapping-skipped base element which is not emptiable was found.");
}
return(false);
}
}
}
return(true);
}
XmlSchemaAny any = baseParticle as XmlSchemaAny;
if (any != null)
{
// NSRecurseCheckCardinality
return(ValidateNSRecurseCheckCardinality(any, h, schema, raiseError));
}
XmlSchemaChoice choice = baseParticle as XmlSchemaChoice;
if (choice != null)
{
// MapAndSum
// In fact it is not Recurse, but it looks almost common.
return(ValidateSeqRecurseMapSumCommon(choice, h, schema, false, true, raiseError));
}
return(true);
}
