private static void ReadCollectionEntries <T>(IDataObject parent, ICollection <T> val, XmlReader xml, CallXmlFunction <T, XmlReader> func)
where T : IValueCollectionEntry, new()
{
if (val == null)
{
throw new ArgumentNullException("val");
}
if (xml == null)
{
throw new ArgumentNullException("xml");
}
//// reset target collection
//val.Clear();
using (var entries = xml.ReadSubtree())
{
while (entries.Read())
{
if (entries.NodeType == XmlNodeType.Element && entries.LocalName == "CollectionEntry")
{
var obj = new T();
using (var children = xml.ReadSubtree())
{
while (children.Read())
{
if (children.NodeType == XmlNodeType.Element)
{
func(obj, children);
}
}
}
if (parent == null)
{
val.Add(obj);
}
else
{
if (parent.Context != null)
{
parent.Context.Internals().AttachAsNew(obj);
}
obj.ParentObject = parent;
}
}
}
}
}
private static void WriteCollectionEntries <T>(IEnumerable <T> val, XmlWriter xml, string name, string ns, CallXmlFunction <T, XmlWriter> func)
{
if (val == null)
{
throw new ArgumentNullException("val");
}
if (xml == null)
{
throw new ArgumentNullException("xml");
}
xml.WriteStartElement(name, ns);
foreach (T obj in val)
{
xml.WriteStartElement("CollectionEntry");
func(obj, xml);
xml.WriteEndElement();
}
xml.WriteEndElement();
}
