void WriteContents(IEnumerable <object> items, XmlWriter w)
{
foreach (object o in XUtil.ExpandArray(items))
{
if (o == null)
{
continue;
}
else if (o is XStreamingElement)
{
((XStreamingElement)o).WriteTo(w);
}
else if (o is XNode)
{
((XNode)o).WriteTo(w);
}
else if (o is object [])
{
WriteContents((object [])o, w);
}
else if (o is XAttribute)
{
WriteAttribute((XAttribute)o, w);
}
else
{
new XText(o.ToString()).WriteTo(w);
}
}
}
public void AddAfterSelf(object content)
{
if (Owner == null)
{
throw new InvalidOperationException();
}
XNode here = this;
XNode orgNext = next;
foreach (object o in XUtil.ExpandArray(content))
{
if (o == null || Owner.OnAddingObject(o, true, here, false))
{
continue;
}
XNode n = XUtil.ToNode(o);
Owner.OnAddingObject(n);
n = (XNode)XUtil.GetDetachedObject(n);
n.SetOwner(Owner);
n.previous = here;
here.next = n;
n.next = orgNext;
if (orgNext != null)
{
orgNext.previous = n;
}
else
{
Owner.LastNode = n;
}
here = n;
Owner.OnAddedObject(n);
}
}
public void AddBeforeSelf(object content)
{
if (Owner == null)
{
throw new InvalidOperationException();
}
foreach (object o in XUtil.ExpandArray(content))
{
if (o == null || Owner.OnAddingObject(o, true, previous, true))
{
continue;
}
XNode n = XUtil.ToNode(o);
Owner.OnAddingObject(n);
n = (XNode)XUtil.GetDetachedObject(n);
n.SetOwner(Owner);
n.previous = previous;
n.next = this;
if (previous != null)
{
previous.next = n;
}
previous = n;
if (Owner.FirstNode == this)
{
Owner.FirstNode = n;
}
Owner.OnAddedObject(n);
}
}
public void AddFirst(object content)
{
if (first == null)
{
Add(content);
}
else
{
first.AddBeforeSelf(XUtil.ExpandArray(content));
}
}
public void Add(params object [] content)
{
if (content == null)
{
return;
}
foreach (object o in XUtil.ExpandArray(content))
{
Add(o);
}
}
public void Add(object content)
{
if (content == null)
{
return;
}
foreach (object o in XUtil.ExpandArray(content))
{
if (!OnAddingObject(o, false, last, false))
{
AddNode(XUtil.ToNode(o));
}
}
}
public void SetValue(object value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
if (value is XAttribute || value is XDocument || value is XDeclaration || value is XDocumentType)
{
throw new ArgumentException(String.Format("Node type {0} is not allowed as element value", value.GetType()));
}
RemoveNodes();
foreach (object o in XUtil.ExpandArray(value))
{
Add(o);
}
}
public void AddBeforeSelf (object content)
{
if (Parent == null)
throw new InvalidOperationException ();
foreach (object o in XUtil.ExpandArray (content)) {
if (Owner.OnAddingObject (o, true, previous, true))
continue;
XNode n = XUtil.ToNode (o);
n = (XNode) XUtil.GetDetachedObject (n);
n.SetOwner (Parent);
n.previous = previous;
n.next = this;
if (previous != null)
previous.next = n;
previous = n;
if (Parent.FirstNode == this)
Parent.FirstNode = n;
}
}
public void ReplaceWith(object content)
{
if (Owner == null)
{
throw new InvalidOperationException();
}
XNode here = previous;
XNode orgNext = next;
XContainer orgOwner = Owner;
Remove();
foreach (object o in XUtil.ExpandArray(content))
{
if (o == null || orgOwner.OnAddingObject(o, true, here, false))
{
continue;
}
XNode n = XUtil.ToNode(o);
n = (XNode)XUtil.GetDetachedObject(n);
n.SetOwner(orgOwner);
n.previous = here;
if (here != null)
{
here.next = n;
}
else
{
orgOwner.FirstNode = n;
}
n.next = orgNext;
if (orgNext != null)
{
orgNext.previous = n;
}
else
{
orgOwner.LastNode = n;
}
here = n;
}
}
public void ReplaceNodes(object content)
{
// First, it creates a snapshot copy, then removes the contents, and then adds the copy. http://msdn.microsoft.com/en-us/library/system.xml.linq.xcontainer.replacenodes.aspx
if (FirstNode == null)
{
Add(content);
return;
}
var l = new List <object> ();
foreach (var obj in XUtil.ExpandArray(content))
{
l.Add(obj);
}
RemoveNodes();
Add(l);
}
public void AddFirst(params object [] content)
{
if (content == null)
{
return;
}
if (first == null)
{
Add(content);
}
else
{
foreach (object o in XUtil.ExpandArray(content))
{
if (!OnAddingObject(o, false, first.PreviousNode, true))
{
first.AddBeforeSelf(o);
}
}
}
}
public void Add(object content)
{
if (content == null)
{
return;
}
foreach (object o in XUtil.ExpandArray(content))
{
if (o == null)
{
continue;
}
if (!OnAddingObject(o, false, last, false))
{
var node = XUtil.ToNode(o);
OnAddingObject(node);
AddNode(node);
OnAddedObject(node);
}
}
}
public void ReplaceAttributes(object content)
{
// it's waste of resource, but from bug #11298 it must save content
// snapshot first and then remove existing attributes.
ReplaceAttributes(XUtil.ExpandArray(content).ToArray());
}