/// <summary>
/// Returns an INodeIterator instance that iterates the children
/// of the current node; otherwise, <c>Null</c>.
/// </summary>
/// <returns></returns>
public override INodeIterator GetChildren()
{
SifVersion version = Version;
// Get all of the Element fields and children that match the
// NodeTest into a list
SifFormatter formatter = Adk.Dtd.GetFormatter(version);
IList <Element> elements = formatter.GetContent(fSifElement, version);
if (elements.Count == 0)
{
return(null);
}
else if (elements.Count == 1)
{
Element singleChild = elements[0];
if (singleChild is SimpleField)
{
return(new SingleNodeIterator(SimpleFieldPointer.Create(this, (SimpleField)singleChild)));
}
else
{
return(new SingleNodeIterator(Create(this, (SifElement)singleChild, version)));
}
}
return(new AdkElementIterator(this, elements));
}
