public override XmlWriter ReplaceRange(XPathNavigator nav)
{
if (nav == null)
{
throw new ArgumentNullException();
}
XmlNode start = ((IHasXmlNode)navigator).GetNode();
XmlNode end = null;
if (nav is IHasXmlNode)
{
end = ((IHasXmlNode)nav).GetNode();
}
if (end == null || start.ParentNode != end.ParentNode)
{
throw new InvalidOperationException("Argument XPathNavigator has different parent node.");
}
XmlDocumentInsertionWriter w =
(XmlDocumentInsertionWriter)InsertBefore();
// local variables to anonymous delegate
XPathNavigator prev = Clone();
if (!prev.MoveToPrevious())
{
prev = null;
}
XPathNavigator parentNav = Clone();
parentNav.MoveToParent();
w.Closed += delegate(XmlWriter writer)
{
XmlNode parent = start.ParentNode;
XmlNode next;
bool loop = true;
for (XmlNode n = start; loop; n = next)
{
loop = n != end;
next = n.NextSibling;
parent.RemoveChild(n);
}
if (prev != null)
{
MoveTo(prev);
MoveToNext();
}
else
{
MoveTo(parentNav);
MoveToFirstChild();
}
};
return(w);
}
public override XmlWriter ReplaceRange(XPathNavigator nav)
{
if (nav == null)
{
throw new ArgumentNullException();
}
XmlNode start = ((IHasXmlNode)this.navigator).GetNode();
XmlNode end = null;
if (nav is IHasXmlNode)
{
end = ((IHasXmlNode)nav).GetNode();
}
if (end == null || start.ParentNode != end.ParentNode)
{
throw new InvalidOperationException("Argument XPathNavigator has different parent node.");
}
XmlDocumentInsertionWriter xmlDocumentInsertionWriter = (XmlDocumentInsertionWriter)this.InsertBefore();
XPathNavigator prev = this.Clone();
if (!prev.MoveToPrevious())
{
prev = null;
}
XPathNavigator parentNav = this.Clone();
parentNav.MoveToParent();
xmlDocumentInsertionWriter.Closed += delegate(XmlWriter writer)
{
XmlNode parentNode = start.ParentNode;
bool flag = true;
XmlNode xmlNode = start;
while (flag)
{
flag = (xmlNode != end);
XmlNode nextSibling = xmlNode.NextSibling;
parentNode.RemoveChild(xmlNode);
xmlNode = nextSibling;
}
if (prev != null)
{
this.MoveTo(prev);
this.MoveToNext();
}
else
{
this.MoveTo(parentNav);
this.MoveToFirstChild();
}
};
return(xmlDocumentInsertionWriter);
}
