private XmlLinkedNode _lastChild; // == this for empty elements otherwise it is the last child
internal XmlElement(XmlName name, bool empty, XmlDocument doc) : base(doc)
{
Debug.Assert(name != null);
this.parentNode = null;
if (!doc.IsLoading)
{
XmlDocument.CheckName(name.Prefix);
XmlDocument.CheckName(name.LocalName);
}
if (name.LocalName.Length == 0)
{
throw new ArgumentException(ResXml.Xdom_Empty_LocalName);
}
_name = name;
if (empty)
{
_lastChild = this;
}
}
//the function is provided only at Load time to speed up Load process
internal override XmlNode AppendChildForLoad(XmlNode newChild, XmlDocument doc)
{
XmlNodeChangedEventArgs args = doc.GetInsertEventArgsForLoad(newChild, this);
if (args != null)
{
doc.BeforeEvent(args);
}
XmlLinkedNode newNode = (XmlLinkedNode)newChild;
if (_lastChild == null ||
_lastChild == this)
{ // if LastNode == null
newNode.next = newNode;
_lastChild = newNode; // LastNode = newNode;
newNode.SetParentForLoad(this);
}
else
{
XmlLinkedNode refNode = _lastChild; // refNode = LastNode;
newNode.next = refNode.next;
refNode.next = newNode;
_lastChild = newNode; // LastNode = newNode;
if (refNode.IsText &&
newNode.IsText)
{
NestTextNodes(refNode, newNode);
}
else
{
newNode.SetParentForLoad(this);
}
}
if (args != null)
{
doc.AfterEvent(args);
}
return(newNode);
}
internal XmlLinkedNode(XmlDocument doc) : base(doc)
{
next = null;
}
internal XmlLinkedNode() : base()
{
next = null;
}