public static void Main()
{
XmlNodeReader reader = null;
try
{
//Create and load an XML document.
XmlDocument doc = new XmlDocument();
doc.LoadXml("<!DOCTYPE book [<!ENTITY h 'harcover'>]>" +
"<book genre='novel' misc='sale-item &h; 1987'>" +
"</book>");
//Create the reader.
reader = new XmlNodeReader(doc);
//Read the misc attribute. 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 void NodeReaderReadAttributeValueWithSimpleXml()
{
string xml = "<root><child /></root>";
XmlNodeReader nodeReader = NodeReaderTestHelper.CreateNodeReader(xml);
Assert.True(nodeReader.Read());
Assert.False(nodeReader.ReadAttributeValue());
}
public void NodeReaderReadAttributeValueWithEmptyXml()
{
var document = new XmlDocument();
var nodeReader = new XmlNodeReader(document);
Assert.False(nodeReader.ReadAttributeValue());
Assert.False(nodeReader.HasValue);
Assert.Equal(string.Empty, nodeReader.Value);
}
public override bool ReadAttributeValue()
{
if (IsXmlDataNode)
{
return(_xmlNodeReader.ReadAttributeValue());
}
Fx.Assert("ExtensionDataReader ReadAttributeValue method should only be called for IXmlSerializable");
return(false);
}
[Test] // bug #550379
public void MoveToNextAttributeFromValue()
{
document.LoadXml("<ul test='xxx'></ul>");
XmlNodeReader nr = new XmlNodeReader(document);
nr.Read();
nr.Read();
Assert.IsTrue(nr.MoveToFirstAttribute(), "#1");
Assert.IsTrue(nr.ReadAttributeValue(), "#2");
Assert.IsFalse(nr.MoveToNextAttribute(), "#3");
}
public void NodeReaderReadAttributeValueWithAttributeXml()
{
string xml = "<root attr='val'><child /></root>";
XmlNodeReader nodeReader = NodeReaderTestHelper.CreateNodeReader(xml);
Assert.True(nodeReader.Read());
Assert.Equal("root", nodeReader.Name);
Assert.True(nodeReader.MoveToAttribute("attr"));
Assert.True(nodeReader.ReadAttributeValue());
Assert.Equal(ReadState.Interactive, nodeReader.ReadState);
Assert.Equal(XmlNodeType.Text, nodeReader.NodeType);
Assert.Equal(2, nodeReader.Depth);
Assert.True(nodeReader.HasValue);
Assert.Equal("val", nodeReader.Value);
Assert.Equal(1, nodeReader.AttributeCount);
}