private XmlNode ImportNodeInternal(XmlNode node, bool deep)
{
XmlNode newNode = null;
if (node == null)
{
throw new InvalidOperationException(SR.Xdom_Import_NullNode);
}
else
{
switch (node.NodeType)
{
case XmlNodeType.Element:
newNode = CreateElement(node.Prefix, node.LocalName, node.NamespaceURI);
ImportAttributes(node, newNode);
if (deep)
ImportChildren(node, newNode, deep);
break;
case XmlNodeType.Attribute:
Debug.Assert(((XmlAttribute)node).Specified);
newNode = CreateAttribute(node.Prefix, node.LocalName, node.NamespaceURI);
ImportChildren(node, newNode, true);
break;
case XmlNodeType.Text:
newNode = CreateTextNode(node.Value);
break;
case XmlNodeType.Comment:
newNode = CreateComment(node.Value);
break;
case XmlNodeType.ProcessingInstruction:
newNode = CreateProcessingInstruction(node.Name, node.Value);
break;
case XmlNodeType.XmlDeclaration:
XmlDeclaration decl = (XmlDeclaration)node;
newNode = CreateXmlDeclaration(decl.Version, decl.Encoding, decl.Standalone);
break;
case XmlNodeType.CDATA:
newNode = CreateCDataSection(node.Value);
break;
case XmlNodeType.DocumentType:
XmlDocumentType docType = (XmlDocumentType)node;
newNode = CreateDocumentType(docType.Name, docType.PublicId, docType.SystemId, docType.InternalSubset);
break;
case XmlNodeType.DocumentFragment:
newNode = CreateDocumentFragment();
if (deep)
ImportChildren(node, newNode, deep);
break;
case XmlNodeType.EntityReference:
newNode = CreateEntityReference(node.Name);
// we don't import the children of entity reference because they might result in different
// children nodes given different namespace context in the new document.
break;
case XmlNodeType.Whitespace:
newNode = CreateWhitespace(node.Value);
break;
case XmlNodeType.SignificantWhitespace:
newNode = CreateSignificantWhitespace(node.Value);
break;
default:
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, SR.Xdom_Import, node.NodeType.ToString()));
}
}
return newNode;
}
