public void TestValidationEvent()
{
string intSubset = "<!ELEMENT root EMPTY><!ATTLIST root foo CDATA 'foo-def' bar CDATA 'bar-def'>";
string dtd = "<!DOCTYPE root [" + intSubset + "]>";
string xml = dtd + "<foo><bar att='val' /></foo>";
eventFired = false;
dvr = PrepareXmlReader(xml);
dvr.ValidationEventHandler += new ValidationEventHandler(OnInvalidityFound);
dvr.ValidationType = ValidationType.DTD;
dvr.Read(); // DTD
Assert.IsTrue(dvr.Read()); // invalid foo
Assert.IsTrue(eventFired);
Assert.AreEqual("foo", dvr.Name);
Assert.IsTrue(dvr.Read()); // invalid bar
Assert.AreEqual("bar", dvr.Name);
Assert.IsTrue(dvr.MoveToFirstAttribute()); // att
Assert.AreEqual("att", dvr.Name);
Assert.IsTrue(dvr.Read()); // invalid end foo
Assert.AreEqual("foo", dvr.Name);
Assert.AreEqual(XmlNodeType.EndElement, dvr.NodeType);
Assert.IsTrue(!dvr.Read());
// When ValidationType is None, event should not be fired,
eventFired = false;
dvr = PrepareXmlReader(xml);
dvr.ValidationEventHandler += new ValidationEventHandler(OnInvalidityFound);
dvr.ValidationType = ValidationType.None;
dvr.Read(); // DTD
Assert.IsTrue(dvr.Read()); // invalid foo
Assert.IsTrue(!eventFired);
}
public void TestNormalization()
{
string intSubset = "<!ELEMENT root EMPTY>"
+ "<!ATTLIST root foo ID #REQUIRED"
+ " bar NMTOKEN #IMPLIED "
+ " baz NMTOKENS #IMPLIED "
+ " quux CDATA #IMPLIED >";
string dtd = "<!DOCTYPE root [" + intSubset + "]>";
string xml = dtd + "<root foo=' id1 ' bar=' nameToken ' baz=' list of\r\nname token' quux=' quuux\tquuux\t ' />";
dvr = PrepareXmlReader(xml);
((XmlTextReader)dvr.Reader).Normalization = true;
dvr.EntityHandling = EntityHandling.ExpandEntities;
dvr.Read(); // DTD
dvr.Read();
Assert.AreEqual(XmlNodeType.Element, dvr.NodeType);
Assert.AreEqual("root", dvr.Name);
Assert.IsTrue(dvr.MoveToFirstAttribute());
Assert.AreEqual("foo", dvr.Name);
Assert.AreEqual("id1", dvr.Value);
Assert.IsTrue(dvr.MoveToNextAttribute());
Assert.AreEqual("bar", dvr.Name);
Assert.AreEqual("nameToken", dvr.Value);
Assert.IsTrue(dvr.MoveToNextAttribute());
Assert.AreEqual("baz", dvr.Name);
Assert.AreEqual("list of name token", dvr.Value);
Assert.IsTrue(dvr.MoveToNextAttribute());
Assert.AreEqual("quux", dvr.Name);
Assert.AreEqual(" quuux quuux ", dvr.Value);
}
static void Main(string[] args)
{
// Create a cache of schemas, and add two schemas
XmlSchemaCollection sc = new XmlSchemaCollection();
sc.Add("urn:MyUri", "../../../doctors.xsd");
//sc.Add("", "../../../doctors.xsd");
// Create a validating reader object
XmlTextReader tr = new XmlTextReader("../../../doctors.xml");
XmlValidatingReader vr = new XmlValidatingReader(tr);
// Specify the type of validation required
vr.ValidationType = ValidationType.Schema;
// Tell the validating reader to use the schema collection
vr.Schemas.Add(sc);
// Register a validation event handler method
vr.ValidationEventHandler += new ValidationEventHandler(MyHandler);
// Read and validate the XML document
try
{
int num = 0;
float avg_age = 0;
while (vr.Read())
{
if (vr.NodeType == XmlNodeType.Element &&
vr.LocalName == "P")
{
num++;
vr.MoveToFirstAttribute();
Console.WriteLine(vr.Value);
vr.MoveToNextAttribute();
vr.MoveToNextAttribute();
string val = vr.Value;
if (val != "male" && val != "female")
{
//Console.WriteLine(val);
avg_age += Convert.ToInt32(vr.Value);
}
vr.MoveToElement();
}
}
Console.WriteLine("Number of Passengers: " + num + "\n");
Console.WriteLine("Average age: " + avg_age / num + "\n");
}
catch (XmlException ex)
{
Console.WriteLine("XMLException occurred: " + ex.Message);
}
finally
{
vr.Close();
}
}
static void Main(string[] args)
{
XmlSchemaCollection sc = new XmlSchemaCollection();
sc.Add("", "../../../../visual_studio_schema_test.xsd");
// Create a validating reader object
XmlTextReader tr = new XmlTextReader("../../../../test_xml.xml");
//XmlTextReader tr = new XmlTextReader("../../../../xml_test_wrong_atrib.xml");
//XmlTextReader tr = new XmlTextReader("../../../../xml_test_wrong_root.xml");
XmlValidatingReader vr = new XmlValidatingReader(tr);
// Specify the type of validation required
vr.ValidationType = ValidationType.Schema;
// Tell the validating reader to use the schema collection
vr.Schemas.Add(sc);
// Register a validation event handler method
vr.ValidationEventHandler += new ValidationEventHandler(MyHandler);
// Read and validate the XML document
try
{
int num = 0;
while (vr.Read())
{
if (vr.NodeType == XmlNodeType.Element &&
vr.LocalName == "Games")
{
num++;
vr.MoveToFirstAttribute();
Console.WriteLine(vr.Value);
vr.MoveToNextAttribute();
Console.WriteLine(vr.Value);
vr.MoveToNextAttribute();
Console.WriteLine(vr.Value);
vr.MoveToNextAttribute();
Console.WriteLine(vr.Value);
vr.MoveToNextAttribute();
Console.WriteLine(vr.Value);
vr.MoveToElement();
}
}
Console.WriteLine("Number of strings: " + num + "\n");
}
catch (XmlException ex)
{
Console.WriteLine("XMLException occurred: " + ex.Message);
}
finally
{
vr.Close();
}
}
public static void Main()
{
//Create the validating reader.
XmlTextReader txtreader = new XmlTextReader("attrs.xml");
XmlValidatingReader reader = new XmlValidatingReader(txtreader);
//Read the genre attribute.
reader.MoveToContent();
reader.MoveToFirstAttribute();
string genre = reader.Value;
Console.WriteLine("The genre value: " + genre);
//Close the reader.
reader.Close();
}
public void TestExpandEntity()
{
string intSubset = "<!ELEMENT root (#PCDATA)><!ATTLIST root foo CDATA 'foo-def' bar CDATA 'bar-def'><!ENTITY ent 'entity string'>";
string dtd = "<!DOCTYPE root [" + intSubset + "]>";
string xml = dtd + "<root foo='&ent;' bar='internal &ent; value'>&ent;</root>";
dvr = PrepareXmlReader(xml);
dvr.EntityHandling = EntityHandling.ExpandEntities;
dvr.Read(); // DTD
dvr.Read();
Assert.AreEqual(XmlNodeType.Element, dvr.NodeType);
Assert.AreEqual("root", dvr.Name);
Assert.IsTrue(dvr.MoveToFirstAttribute());
Assert.AreEqual("foo", dvr.Name);
Assert.AreEqual("entity string", dvr.Value);
Assert.IsTrue(dvr.MoveToNextAttribute());
Assert.AreEqual("bar", dvr.Name);
Assert.AreEqual("internal entity string value", dvr.Value);
Assert.AreEqual("entity string", dvr.ReadString());
// ValidationType = None
dvr = PrepareXmlReader(xml);
dvr.EntityHandling = EntityHandling.ExpandEntities;
dvr.ValidationType = ValidationType.None;
dvr.Read(); // DTD
dvr.Read();
Assert.AreEqual(XmlNodeType.Element, dvr.NodeType);
Assert.AreEqual("root", dvr.Name);
Assert.IsTrue(dvr.MoveToFirstAttribute());
Assert.AreEqual("foo", dvr.Name);
Assert.AreEqual("entity string", dvr.Value);
Assert.IsTrue(dvr.MoveToNextAttribute());
Assert.AreEqual("bar", dvr.Name);
Assert.AreEqual("internal entity string value", dvr.Value);
Assert.AreEqual("entity string", dvr.ReadString());
}
// it used to be regarded as MS bug but it was not really.
public void TestPreserveEntityNotOnDotNet()
{
string intSubset = "<!ELEMENT root EMPTY><!ATTLIST root foo CDATA 'foo-def' bar CDATA 'bar-def'><!ENTITY ent 'entity string'>";
string dtd = "<!DOCTYPE root [" + intSubset + "]>";
string xml = dtd + "<root foo='&ent;' bar='internal &ent; value' />";
dvr = PrepareXmlReader(xml);
dvr.EntityHandling = EntityHandling.ExpandCharEntities;
dvr.Read(); // DTD
dvr.Read();
Assert.AreEqual(XmlNodeType.Element, dvr.NodeType);
Assert.AreEqual("root", dvr.Name);
Assert.IsTrue(dvr.MoveToFirstAttribute());
Assert.AreEqual("foo", dvr.Name);
Assert.AreEqual("entity string", dvr.Value);
// ReadAttributeValue()
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.EntityReference, dvr.NodeType);
Assert.AreEqual("ent", dvr.Name);
Assert.AreEqual(String.Empty, dvr.Value);
Assert.IsTrue(!dvr.ReadAttributeValue());
// bar
Assert.IsTrue(dvr.MoveToNextAttribute());
Assert.AreEqual("bar", dvr.Name);
Assert.AreEqual("internal entity string value", dvr.Value);
// ReadAttributeValue()
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.Text, dvr.NodeType);
Assert.AreEqual(String.Empty, dvr.Name);
Assert.AreEqual("internal ", dvr.Value);
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.EntityReference, dvr.NodeType);
Assert.AreEqual("ent", dvr.Name);
Assert.AreEqual(String.Empty, dvr.Value);
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.Text, dvr.NodeType);
Assert.AreEqual(String.Empty, dvr.Name);
Assert.AreEqual(" value", dvr.Value);
// ValidationType = None
dvr = PrepareXmlReader(xml);
dvr.EntityHandling = EntityHandling.ExpandCharEntities;
dvr.ValidationType = ValidationType.None;
dvr.Read(); // DTD
dvr.Read();
Assert.AreEqual(XmlNodeType.Element, dvr.NodeType);
Assert.AreEqual("root", dvr.Name);
// foo
Assert.IsTrue(dvr.MoveToFirstAttribute());
Assert.AreEqual("foo", dvr.Name);
Assert.AreEqual("entity string", dvr.Value);
// ReadAttributeValue()
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.EntityReference, dvr.NodeType);
Assert.AreEqual("ent", dvr.Name);
Assert.AreEqual(String.Empty, dvr.Value);
Assert.IsTrue(!dvr.ReadAttributeValue());
// bar
Assert.IsTrue(dvr.MoveToNextAttribute());
Assert.AreEqual("bar", dvr.Name);
Assert.AreEqual("internal entity string value", dvr.Value);
// ReadAttributeValue()
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.Text, dvr.NodeType);
Assert.AreEqual(String.Empty, dvr.Name);
Assert.AreEqual("internal ", dvr.Value);
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.EntityReference, dvr.NodeType);
Assert.AreEqual("ent", dvr.Name);
Assert.AreEqual(String.Empty, dvr.Value);
Assert.IsTrue(dvr.ReadAttributeValue());
Assert.AreEqual(XmlNodeType.Text, dvr.NodeType);
Assert.AreEqual(String.Empty, dvr.Name);
Assert.AreEqual(" value", dvr.Value);
}
