public static IEnumerable <IFluentPathElement> Descendants(this IFluentPathElement element)
{
//TODO: Don't think this is performant with these nested yields
foreach (var child in element.Children())
{
yield return(child.Child);
foreach (var grandchild in child.Child.Descendants())
{
yield return(grandchild);
}
}
}
public static IEnumerable <IFluentPathElement> Children(this IFluentPathElement element, string name)
{
var result = element.Children().Where(c => c.IsMatch(name)).Select(c => c.Child);
// If we are at a resource, we should match a path that is possibly not rooted in the resource
// (e.g. doing "name.family" on a Patient is equivalent to "Patient.name.family")
if (!result.Any())
{
var resourceRoot = element.Children().SingleOrDefault(node => Char.IsUpper(node.Name[0]));
if (resourceRoot != null)
{
result = resourceRoot.Child.Children(name);
}
}
return(result);
}
public FhirEvaluationContext(FhirClient client, IFluentPathElement originalResource)
{
FhirClient = client;
OriginalResource = originalResource;
}
public FhirEvaluationContext(IFluentPathElement originalResource) : this(null, originalResource)
{
}
public ChildNode(string name, IFluentPathElement child)
{
Name = name;
Child = child;
}
