private void EmitBeginSerialization(BoundedStream stream, ValueNode child,
LazyBinarySerializationContext lazyContext,
EventShuttle eventShuttle)
{
if (eventShuttle != null && eventShuttle.HasSerializationSubscribers)
{
eventShuttle.OnMemberSerializing(this, child.Name, lazyContext,
stream.GlobalPosition, stream.RelativePosition);
}
}
protected virtual void ObjectSerializeOverride(BoundedStream stream, EventShuttle eventShuttle)
{
// check to see if we are actually supposed to be a custom serialization. This is a side-effect of
// treating all object members as object nodes. In the case of sub-types we could later discover we
// are actually a custom node because the specified subtype implements IBinarySerializable.
var parent = (TypeNode)TypeNode.Parent;
if (_valueType != null && (TypeNode.SubtypeBinding != null || parent.ItemSubtypeBinding != null))
{
var typeNode = (ObjectTypeNode)TypeNode;
var subType = typeNode.GetSubTypeNode(_valueType);
if (subType is CustomTypeNode)
{
var customValueNode = subType.CreateSerializer((ValueNode)Parent);
// this is a little bit of a cheat, but another side-effect of this weird corner case
customValueNode.Value = _cachedValue;
customValueNode.SerializeOverride(stream, eventShuttle);
return;
}
}
var serializableChildren = GetSerializableChildren();
var lazyContext = CreateLazySerializationContext();
foreach (var child in serializableChildren)
{
// report on serialization start if subscribed
if (eventShuttle != null && eventShuttle.HasSerializationSubscribers)
{
eventShuttle.OnMemberSerializing(this, child.Name, lazyContext,
stream.GlobalPosition);
}
// serialize child
child.Serialize(stream, eventShuttle);
// report on serialization complete if subscribed
if (eventShuttle != null && eventShuttle.HasSerializationSubscribers)
{
eventShuttle.OnMemberSerialized(this, child.Name, child.BoundValue, lazyContext,
stream.GlobalPosition);
}
}
}
protected override void SerializeOverride(IBitStream stream, EventShuttle eventShuttle)
{
var serializableChildren = GetSerializableChildren();
var serializationContext = CreateSerializationContext();
foreach (var child in serializableChildren)
{
if (eventShuttle != null)
{
eventShuttle.OnMemberSerializing(this, child.Name, serializationContext);
}
child.Serialize(stream, eventShuttle);
if (eventShuttle != null)
{
eventShuttle.OnMemberSerialized(this, child.Name, child.BoundValue, serializationContext);
}
}
}