public object Deserialize(XmlTextReader reader, Type type, object context)
{
//If the object has a type converter then just read the attribute string
TypeConverter conv = TypeDescriptor.GetConverter(type);
if (CanSerialize(conv))
{
string strValue = reader.ReadElementString();
object value = conv.ConvertFromInvariantString(strValue);
return(value);
}
//Create an instance of the type
Object obj = Activator.CreateInstance(type);
//Use the IXmlSerializable implementation if needed
IXmlSerializable serializableObject = obj as IXmlSerializable;
if (serializableObject != null)
{
serializableObject.ReadXml(reader);
return(obj);
}
//parse all the attributes as properties
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(type);
bool hasChildren = !reader.IsEmptyElement;
if (reader.MoveToFirstAttribute())
{
do
{
PropertyDescriptor prop = properties[reader.Name];
if (prop == null)
{
throw new InvalidOperationException("the property " + reader.Name + " does not exist on the object " + type.Name);
}
reader.ReadAttributeValue();
TypeConverter converter = prop.Converter;
object value = converter.ConvertFromInvariantString(reader.Value);
prop.SetValue(obj, value);
}while (reader.MoveToNextAttribute());
}
reader.Read();
if (hasChildren)
{
//Parse the children as properties
while (true)
{
if (reader.NodeType == XmlNodeType.Element)
{
//If the property is read-only and a list then add the children to the list members
PropertyDescriptor prop = properties[reader.Name];
if (prop == null)
{
throw new InvalidOperationException("the property " + reader.Name + " does not exist on the object " + type.Name);
}
if (prop.IsReadOnly)
{
IList list = prop.GetValue(obj) as IList;
if (list != null)
{
DefaultListSerializer serializer = new DefaultListSerializer();
serializer.Deserialize(reader, list.GetType(), list);
}
}
else
{
//parse the value and set the property
object value = ObjectSerializer.Deserialize(reader, prop.PropertyType, null);
prop.SetValue(obj, value);
}
}
// If end element then we are done parsing children.
else if (reader.NodeType == XmlNodeType.EndElement)
{
reader.Read(); //end element
break;
}
else if (reader.EOF)
{
break; //end of document
}
// If we don't explicitly handle this kind of node then ignore it.
else
{
reader.Read();
}
}
}
return(obj);
}
