// Creates a XmlValidatingReader suitable for parsing InnerXml strings
private XmlReader CreateInnerXmlValidatingReader(String xmlFragment, XmlNodeType nt, XmlParserContext context, XmlDocument doc)
{
XmlNodeType contentNT = nt;
if (contentNT == XmlNodeType.Entity || contentNT == XmlNodeType.EntityReference)
{
contentNT = XmlNodeType.Element;
}
XmlValidatingReader xmlvr = new XmlValidatingReader(xmlFragment, contentNT, context);
if (doc.DocumentType != null)
{
xmlvr.Namespaces = doc.DocumentType.ParseWithNamespaces;
}
if (doc.HasSetResolver)
{
xmlvr.XmlResolver = doc.GetResolver();
}
xmlvr.ValidationType = ValidationType.None;
if (!(doc.ActualLoadingStatus))
{
xmlvr.DisableUndeclaredEntityCheck = true;
}
// all these settings are alreay the default setting in XmlTextReader
xmlvr.EntityHandling = EntityHandling.ExpandCharEntities;
if (nt == XmlNodeType.Entity || nt == XmlNodeType.EntityReference)
{
xmlvr.Read(); //this will skip the first element "wrapper"
xmlvr.ResolveEntity();
}
return(xmlvr);
}
public void ResolveEntity2 ()
{
string ent1 = "<!ENTITY ent 'entity string'>";
string ent2 = "<!ENTITY ent2 '<foo/><foo/>'>]>";
string dtd = "<!DOCTYPE root[<!ELEMENT root (#PCDATA|foo)*>" + ent1 + ent2;
string xml = dtd + "<root>&ent3;&ent2;</root>";
dvr = new XmlValidatingReader (xml, XmlNodeType.Document, null);
dvr.ValidationType = ValidationType.None;
dvr.EntityHandling = EntityHandling.ExpandCharEntities;
dvr.Read (); // DTD
dvr.Read (); // root
dvr.Read (); // &ent3;
Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
#if NET_2_0
// under .NET 2.0, an error is raised here.
// under .NET 1.1, the error is thrown on the next read.
try {
dvr.ResolveEntity ();
Assert.Fail ("Attempt to resolve undeclared entity should fail.");
} catch (XmlException) {
}
#else
// ent3 does not exist in this dtd.
dvr.ResolveEntity ();
Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
try {
dvr.Read ();
Assert.Fail ("Attempt to resolve undeclared entity should fail.");
} catch (XmlException) {
}
#endif
}
public void ResolveEntity ()
{
string ent1 = "<!ENTITY ent 'entity string'>";
string ent2 = "<!ENTITY ent2 '<foo/><foo/>'>]>";
string dtd = "<!DOCTYPE root[<!ELEMENT root (#PCDATA|foo)*>" + ent1 + ent2;
string xml = dtd + "<root>&ent;&ent2;</root>";
dvr = new XmlValidatingReader (xml, XmlNodeType.Document, null);
dvr.ValidationType = ValidationType.None;
dvr.EntityHandling = EntityHandling.ExpandCharEntities;
dvr.Read (); // DTD
dvr.Read (); // root
dvr.Read (); // &ent;
Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
Assert.AreEqual (1, dvr.Depth);
dvr.ResolveEntity ();
// It is still entity reference.
Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
dvr.Read ();
Assert.AreEqual (XmlNodeType.Text, dvr.NodeType);
Assert.AreEqual (2, dvr.Depth);
Assert.AreEqual ("entity string", dvr.Value);
dvr.Read ();
Assert.AreEqual (XmlNodeType.EndEntity, dvr.NodeType);
Assert.AreEqual (1, dvr.Depth);
Assert.AreEqual (String.Empty, dvr.Value);
dvr.Read (); // &ent2;
Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
Assert.AreEqual (1, dvr.Depth);
dvr.ResolveEntity ();
// It is still entity reference.
Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
// It now became element node.
dvr.Read ();
Assert.AreEqual (XmlNodeType.Element, dvr.NodeType);
Assert.AreEqual (2, dvr.Depth);
}
// Creates a XmlValidatingReader suitable for parsing InnerXml strings
private XmlReader CreateInnerXmlValidatingReader( String xmlFragment, XmlNodeType nt, XmlParserContext context, XmlDocument doc ) {
XmlNodeType contentNT = nt;
if ( contentNT == XmlNodeType.Entity || contentNT == XmlNodeType.EntityReference )
contentNT = XmlNodeType.Element;
XmlValidatingReader xmlvr = new XmlValidatingReader( xmlFragment, contentNT, context);
if( doc.DocumentType != null )
xmlvr.Namespaces = doc.DocumentType.ParseWithNamespaces;
if ( doc.HasSetResolver )
xmlvr.XmlResolver = doc.GetResolver();
xmlvr.ValidationType = ValidationType.None;
if( !( doc.ActualLoadingStatus ) )
xmlvr.DisableUndeclaredEntityCheck = true;
// all these settings are alreay the default setting in XmlTextReader
xmlvr.EntityHandling = EntityHandling.ExpandCharEntities;
if ( nt == XmlNodeType.Entity || nt == XmlNodeType.EntityReference ) {
xmlvr.Read(); //this will skip the first element "wrapper"
xmlvr.ResolveEntity();
}
return xmlvr;
}
