public void ValidateConstraint(Element element, Constraint constraint)
{
if (constraint.IsValid)
{
Log(Group.Constraint, Status.Valid, "Constraint is valid");
}
else
{
Log(Group.Constraint, Status.Failed,
"Constraint [{0}] ({1}) has an invalid XPath: {2}",
constraint.Name, constraint.HumanReadable, constraint.CompilerError.Message);
}
}
private void HarvestConstraints(Hl7.Fhir.Model.Profile.ElementDefinitionComponent source, Element target)
{
if (source.Constraint == null)
return;
foreach (Hl7.Fhir.Model.Profile.ElementDefinitionConstraintComponent c in source.Constraint)
{
Constraint constraint = new Constraint();
constraint.Name = c.Name ?? c.Key;
constraint.XPath = c.Xpath;
constraint.HumanReadable = c.Human;
target.Constraints.Add(constraint);
}
}
public void ValidateConstraint(Vector vector, Constraint constraint)
{
if (constraint.IsValid)
{
try
{
bool valid = vector.Evaluate(constraint);
if (valid)
Log(Group.Constraint, Status.Valid, vector, "Node [{0}] conforms to constraint [{1}]", vector.Node.Name, constraint.Name);
else
Log(Group.Constraint, Status.Failed, vector, "Node [{0}] does not conform to constraint [{1}]: \"{2}\" ", vector.Node.Name, constraint.Name, constraint.HumanReadable);
}
catch (XPathException e)
{
Log(Group.Constraint, Status.Failed, vector, "Evaluation of constraint [{0}] evaluation failed: {1}", constraint.Name, e.Message);
}
}
}
public bool Evaluate(Constraint constraint)
{
bool valid = (bool)Node.Evaluate(constraint.Expression);
return valid;
}
