+//
+// System.Xml.XmlLinkedNode
+//
+// Authors:
+// Jason Diamond <jason@injektilo.org>
+// Kral Ferch <kral_ferch@hotmail.com>
+//
+// (C) 2002 Jason Diamond, Kral Ferch
+//
+
using System;
namespace System.Xml
public abstract class XmlLinkedNode : XmlNode
{
#region Fields
+
XmlLinkedNode nextSibling;
+ XmlLinkedNode lastLinkedChild;
#endregion
#endregion
- #region Properties
+ #region Properties
+
public override XmlNode NextSibling
{
get {
- if (Object.ReferenceEquals(nextSibling, ParentNode.LastLinkedChild.NextLinkedSibling) == false) {
+ if(ParentNode == null) {
+ return null;
+ }
+ else if (Object.ReferenceEquals(nextSibling, ParentNode.LastLinkedChild.NextLinkedSibling) == false) {
return nextSibling;
}
else {
set { nextSibling = value; }
}
- [MonoTODO]
public override XmlNode PreviousSibling
{
get {
- throw new NotImplementedException ();
+ if (ParentNode != null) {
+ XmlNode node = ParentNode.FirstChild;
+ if (node != this) {
+ do {
+ if (node.NextSibling == this)
+ return node;
+ } while ((node = node.NextSibling) != null);
+ }
+ }
+ return null;
}
}
+ // copied this way from XmlElement
+ internal override XmlLinkedNode LastLinkedChild
+ {
+ get { return lastLinkedChild; }
+ set { lastLinkedChild = value; }
+ }
+
#endregion
}
}