//[NotWorking ("default namespace seems null, not String.Empty")]
public void DefaultXmlnsAttributeLookup()
{
string xml = @"<!DOCTYPE X [
<!ELEMENT X (Y)+>
<!ENTITY baz 'urn:baz'>
<!ATTLIST X
xmlns CDATA 'urn:foo'
xmlns:bar CDATA 'urn:bar'
xmlns:baz CDATA #IMPLIED
dummy CDATA 'dummy'
baz:dummy CDATA 'dummy'>
<!ELEMENT Y (#PCDATA)*>
<!ATTLIST Y
xmlns CDATA #IMPLIED
xmlns:bar CDATA #IMPLIED>
]>
<X xmlns:baz='&baz;'><Y/><Y>text.</Y><Y xmlns='' xmlns:bar='urn:hoge'>text.</Y></X>" ;
XmlValidatingReader xvr = new XmlValidatingReader(
xml, XmlNodeType.Document, null);
xvr.Read(); // DTD
xvr.Read(); // whitespace
xvr.Read();
Assert.AreEqual("urn:foo", xvr.LookupNamespace(String.Empty), "#1-1");
Assert.AreEqual("urn:bar", xvr.LookupNamespace("bar"), "#1-2");
Assert.AreEqual("urn:baz", xvr.LookupNamespace("baz"), "#1-a");
Assert.IsTrue(xvr.MoveToAttribute("baz:dummy"), "#1-b");
Assert.AreEqual("urn:baz", xvr.NamespaceURI, "#1-c");
Assert.IsTrue(xvr.MoveToAttribute("dummy"), "#1-d");
Assert.AreEqual(String.Empty, xvr.NamespaceURI, "#1-e");
xvr.Read(); // first Y, empty element
Assert.AreEqual("urn:foo", xvr.LookupNamespace(String.Empty), "#2-1");
Assert.AreEqual("urn:bar", xvr.LookupNamespace("bar"), "#2-2");
xvr.Read(); // second Y, start element
Assert.AreEqual("urn:foo", xvr.LookupNamespace(String.Empty), "#3-1");
Assert.AreEqual("urn:bar", xvr.LookupNamespace("bar"), "#3-2");
xvr.Read(); // inside normal Y. Check inheritance
Assert.AreEqual("urn:foo", xvr.LookupNamespace(String.Empty), "#4-1");
Assert.AreEqual("urn:bar", xvr.LookupNamespace("bar"), "#4-2");
xvr.Read(); // second Y, end element
Assert.AreEqual("urn:foo", xvr.LookupNamespace(String.Empty), "#5-1");
Assert.AreEqual("urn:bar", xvr.LookupNamespace("bar"), "#5-2");
xvr.Read(); // third Y, suppresses default namespaces
Assert.AreEqual(null, xvr.LookupNamespace(String.Empty), "#6-1");
Assert.AreEqual("urn:hoge", xvr.LookupNamespace("bar"), "#6-2");
xvr.Read(); // inside suppressing Y. Check inheritance
Assert.AreEqual(null, xvr.LookupNamespace(String.Empty), "#7-1");
Assert.AreEqual("urn:hoge", xvr.LookupNamespace("bar"), "#7-2");
xvr.Read(); // end of suppressing element
Assert.AreEqual(null, xvr.LookupNamespace(String.Empty), "#8-1");
Assert.AreEqual("urn:hoge", xvr.LookupNamespace("bar"), "#8-2");
}
public void ResolveEntityReadAttributeValue()
{
string dtd = "<!DOCTYPE root [<!ELEMENT root (#PCDATA)*><!ATTLIST root attr CDATA #REQUIRED><!ENTITY ent 'entity string'>]>";
string xml = dtd + "<root attr='&ent; text'>&ent;</root>";
dvr = new XmlValidatingReader(xml, XmlNodeType.Document, null);
dvr.Read(); // doctype
dvr.Read(); // root
dvr.MoveToAttribute(0); // attr
Assert.IsTrue(dvr.ReadAttributeValue()); // Should read expanded text
Assert.AreEqual(XmlNodeType.Text, dvr.NodeType); // not EntityReference
Assert.AreEqual("entity string text", dvr.Value);
Assert.IsTrue(!dvr.ReadAttributeValue());
}
public static void Main()
{
XmlValidatingReader reader = null;
try
{
//Create the XML fragment to be parsed.
string xmlFrag = "<book genre='novel' misc='sale-item &h; 1987'></book>";
//Create the XmlParserContext.
XmlParserContext context;
string subset = "<!ENTITY h 'hardcover'>";
context = new XmlParserContext(null, null, "book", null, null, subset, "", "", XmlSpace.None);
//Create the reader and set it to not expand general entities.
reader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context);
reader.ValidationType = ValidationType.None;
reader.EntityHandling = EntityHandling.ExpandCharEntities;
//Read the misc attribute. Because EntityHandling is set to
//ExpandCharEntities, the attribute is parsed into multiple text
//and entity reference nodes.
reader.MoveToContent();
reader.MoveToAttribute("misc");
while (reader.ReadAttributeValue())
{
if (reader.NodeType == XmlNodeType.EntityReference)
{
//To expand the entity, call ResolveEntity.
Console.WriteLine("{0} {1}", reader.NodeType, reader.Name);
}
else
{
Console.WriteLine("{0} {1}", reader.NodeType, reader.Value);
}
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
public static void Main()
{
XmlValidatingReader reader = null;
try
{
//Create the string to parse.
string xmlFrag = "<book genre='novel' ISBN='1-861003-78' pubdate='1987'></book> ";
//Create the XmlNamespaceManager.
NameTable nt = new NameTable();
XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt);
//Create the XmlParserContext.
XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
//Create the XmlValidatingReader .
reader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context);
//Read the attributes on the root element.
reader.MoveToContent();
if (reader.HasAttributes)
{
for (int i = 0; i < reader.AttributeCount; i++)
{
reader.MoveToAttribute(i);
Console.WriteLine("{0} = {1}", reader.Name, reader.Value);
}
//Move the reader back to the node that owns the attribute.
reader.MoveToElement();
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}