public override XmlRawWriter StartTree(XPathNodeType rootType, IXmlNamespaceResolver nsResolver, XmlNameTable nameTable)
{
// Build XPathDocument
// If rootType != XPathNodeType.Root, then build an XQuery fragment
_doc = new XPathDocument(nameTable);
_writer = _doc.LoadFromWriter(XPathDocument.LoadFlags.AtomizeNames | (rootType == XPathNodeType.Root ? XPathDocument.LoadFlags.None : XPathDocument.LoadFlags.Fragment), string.Empty);
_writer.NamespaceResolver = nsResolver;
return(_writer);
}
/// <summary>
/// Create a document containing a root node and a single text node child with "text" as its text value.
/// This method is thread-safe, and is always guaranteed to return the exact same document, no matter how many
/// threads have called it concurrently.
/// </summary>
public XPathNavigator GetNavigator(string text, string baseUri, XmlNameTable nameTable)
{
if (this.cache == null)
{
// Create XPathDocument
XPathDocument doc = new XPathDocument(nameTable);
XmlRawWriter writer = doc.LoadFromWriter(XPathDocument.LoadFlags.AtomizeNames, baseUri);
writer.WriteString(text);
writer.Close();
this.cache = doc;
}
return(((XPathDocument)this.cache).CreateNavigator());
}
/// <summary>
/// Create a document from the cache of events. If a document has already been created previously, return it.
/// This method is thread-safe, and is always guaranteed to return the exact same document, no matter how many
/// threads have called it concurrently.
/// </summary>
public XPathNavigator GetNavigator(XmlEventCache events, XmlNameTable nameTable)
{
if (this.cache == null)
{
// Create XPathDocument from event cache
XPathDocument doc = new XPathDocument(nameTable);
XmlRawWriter writer = doc.LoadFromWriter(XPathDocument.LoadFlags.AtomizeNames | (events.HasRootNode ? XPathDocument.LoadFlags.None : XPathDocument.LoadFlags.Fragment), events.BaseUri);
events.EventsToWriter(writer);
writer.Close();
this.cache = doc;
}
return(((XPathDocument)this.cache).CreateNavigator());
}
//------------------------------------------------------------------------
// ToNode (internal type to internal type)
//------------------------------------------------------------------------
public static XPathNavigator ToNode(XPathItem item)
{
XsltLibrary.CheckXsltValue(item);
if (!item.IsNode)
{
// Create Navigator over text node containing string value of item
XPathDocument doc = new XPathDocument();
XmlRawWriter writer = doc.LoadFromWriter(XPathDocument.LoadFlags.AtomizeNames, string.Empty);
writer.WriteString(ToString(item));
writer.Close();
return(doc.CreateNavigator());
}
RtfNavigator?rtf = item as RtfNavigator;
if (rtf != null)
{
return(rtf.ToNavigator());
}
return((XPathNavigator)item);
}
internal NavigatorOutput(string baseUri)
{
_doc = new XPathDocument();
_wr = _doc.LoadFromWriter(XPathDocument.LoadFlags.AtomizeNames, baseUri);
}