private void CopyNode(XPathNavigator nav)
{
XPathNodeType nodeType;
int iLevel = 0;
while (true)
{
if (CopyShallowNode(nav))
{
nodeType = nav.NodeType;
if (nodeType == XPathNodeType.Element)
{
// Copy attributes
if (nav.MoveToFirstAttribute())
{
do
{
CopyShallowNode(nav);
}while (nav.MoveToNextAttribute());
nav.MoveToParent();
}
// Copy namespaces in document order (navigator returns them in reverse document order)
XPathNamespaceScope nsScope = (iLevel == 0) ? XPathNamespaceScope.ExcludeXml : XPathNamespaceScope.Local;
if (nav.MoveToFirstNamespace(nsScope))
{
CopyNamespaces(nav, nsScope);
nav.MoveToParent();
}
_xwrt.StartElementContent();
}
// If children exist, move down to next level
if (nav.MoveToFirstChild())
{
iLevel++;
continue;
}
else
{
// EndElement
if (nav.NodeType == XPathNodeType.Element)
{
_xwrt.WriteEndElement(nav.Prefix, nav.LocalName, nav.NamespaceURI);
}
}
}
// No children
while (true)
{
if (iLevel == 0)
{
// The entire subtree has been copied
return;
}
if (nav.MoveToNext())
{
// Found a sibling, so break to outer loop
break;
}
// No siblings, so move up to previous level
iLevel--;
nav.MoveToParent();
// EndElement
if (nav.NodeType == XPathNodeType.Element)
{
_xwrt.WriteFullEndElement(nav.Prefix, nav.LocalName, nav.NamespaceURI);
}
}
}
}
