internal override bool AppliesTo(DomNode node)
{
if (Disposed)
{
return(false);
}
if (Target == node)
{
return(true);
}
if (Scope == DomScope.TargetAndDescendants)
{
return(node.AncestorNodes.Any(n => n == Target));
}
if (Scope == DomScope.TargetAndAncestors)
{
return(Target.AncestorNodes.Any(n => n == node));
}
return(false);
}
public override bool Matches(DomNode node)
{
throw new NotImplementedException();
}
public override void WriteStartElement(DomName name)
{
_state.StartElement();
_current = _current.AppendElement(name);
_attribute = null;
}
private void InsertCore(int index, DomNode item)
{
throw Failure.ReadOnlyCollection();
}
internal override DomNode GetPreviousSibling(DomNode other)
{
return(null);
}
public override bool Remove(DomNode item)
{
return(RemoveCore(item));
}
public override bool Contains(DomNode item)
{
return(false);
}
private bool RemoveCore(DomNode node)
{
throw Failure.ReadOnlyCollection();
}
public ScopedDomObserverTarget(DomObserver observer, DomNode target, DomScope scope) : base(observer)
{
Target = target;
Scope = scope;
}
internal void ChildNodesChanged(DomMutation mutation, DomNode target, DomNode[] nodes, DomNode prev, DomNode next)
{
DomEvent evt = null;
foreach (var o in GetObservers(DomObserverEventScope.ChildNodes, target))
{
if (evt == null)
{
evt = DomMutationEvent.Create(mutation, target, nodes, prev, next);
}
o.OnNext(evt);
}
}
public DomObserver ObserveAttributes(DomNode target, DomName attribute, Action <DomAttributeEvent> handler)
{
return(ObserveAttributes(target, attribute, handler, DomScope.Target));
}
private IEnumerable <IObserver <DomEvent> > GetObservers(DomObserverEventScope s, DomNode node)
{
return(_observers.GetObservers(node, s));
}
public DomObserver ObserveChildNodes(DomNode target, Action <DomMutationEvent> handler)
{
return(ObserveChildNodes(target, handler, DomScope.Target));
}
internal override DomNode GetNextSibling(DomNode other)
{
return(other.next);
}
public override void Insert(int index, DomNode item)
{
_items.Insert(index, item);
}
public void RegisterObserver(DomObserver observer, DomNode target, DomScope scope, DomObserverEventScope events)
{
var list = GetItemsForScope(events);
list.Add(new ScopedDomObserverTarget(observer, target, scope));
}
public override bool Remove(DomNode item)
{
return(_items.Remove(item));
}
internal abstract bool AppliesTo(DomNode node);
public override void Add(DomNode item)
{
InsertCore(Count, item);
}
public DomNodeWriter CreateWriter(DomNode node, DomNodeWriterSettings settings)
{
return(CreateDomWriter(node));
}
public override void Insert(int index, DomNode item)
{
InsertCore(index, item);
}
public DomNodeReader CreateReader(DomNode node)
{
return(CreateDomReader(node));
}
internal override DomNode GetNextSibling(DomNode other)
{
return(null);
}
public override int IndexOf(DomNode node)
{
return(_items.IndexOf(node));
}
public override int IndexOf(DomNode node)
{
return(-1);
}
public override void Add(DomNode item)
{
_items.Add(item);
}
public override void WriteEndElement()
{
_state.EndElement();
_current = _current.ParentNode;
}
public override bool Contains(DomNode item)
{
return(_items.Contains(item));
}
public override void WriteEndDocument()
{
_state.EndDocument();
_current = null;
_attribute = null;
}
internal override DomNode GetPreviousSibling(DomNode other)
{
return(_items.GetPreviousSibling(other));
}
