public XPathNavigator GetDocument (Uri uri)
{
XPathNavigator result;
if (docCache != null) {
result = docCache [uri] as XPathNavigator;
if (result != null)
return result.Clone();
} else {
docCache = new Hashtable();
}
XmlReader rdr = null;
try {
rdr = new XmlTextReader (uri.ToString(), (Stream) resolver.GetEntity (uri, null, null), root.NameTable);
XmlValidatingReader xvr = new XmlValidatingReader (rdr);
xvr.ValidationType = ValidationType.None;
result = new XPathDocument (xvr, XmlSpace.Preserve).CreateNavigator ();
} finally {
if (rdr != null)
rdr.Close ();
}
docCache [uri] = result.Clone ();
return result;
}