System.Xml.XmlWriter.XmlWriter.WriteNode C# (CSharp) Method

		public virtual void WriteNode (XmlReader reader, bool defattr)
		{
			if (reader == null)
				throw new ArgumentException ();

			if (reader.ReadState == ReadState.Initial) {
				reader.Read ();
				do {
					WriteNode (reader, defattr);
				} while (!reader.EOF);
				return;
			}

			switch (reader.NodeType) {
			case XmlNodeType.Element:
				WriteStartElement (reader.Prefix, reader.LocalName, reader.NamespaceURI);
#if false
				WriteAttributes (reader, defattr);
				reader.MoveToElement ();
#else
				// Well, I found that MS.NET took this way, since
				// there was a error-prone SgmlReader that fails
				// MoveToNextAttribute().
				if (reader.HasAttributes) {
					for (int i = 0; i < reader.AttributeCount; i++) {
						reader.MoveToAttribute (i);
						WriteAttribute (reader, defattr);
					}
					reader.MoveToElement ();
				}
#endif
				if (reader.IsEmptyElement)
					WriteEndElement ();
				else {
					int depth = reader.Depth;
					reader.Read ();
					if (reader.NodeType != XmlNodeType.EndElement) {
						do {
							WriteNode (reader, defattr);
						} while (depth < reader.Depth);
					}
					WriteFullEndElement ();
				}
				break;
			// In case of XmlAttribute, don't proceed reader, and it will never be written.
			case XmlNodeType.Attribute:
				return;
			case XmlNodeType.Text:
				WriteString (reader.Value);
				break;
			case XmlNodeType.CDATA:
				WriteCData (reader.Value);
				break;
			case XmlNodeType.EntityReference:
				WriteEntityRef (reader.Name);
				break;
			case XmlNodeType.XmlDeclaration:
				// LAMESPEC: It means that XmlWriter implementation _must not_ check
				// whether PI name is "xml" (it is XML error) or not.
			case XmlNodeType.ProcessingInstruction:
				WriteProcessingInstruction (reader.Name, reader.Value);
				break;
			case XmlNodeType.Comment:
				WriteComment (reader.Value);
				break;
			case XmlNodeType.DocumentType:
				WriteDocType (reader.Name,
					reader ["PUBLIC"], reader ["SYSTEM"], reader.Value);
				break;
			case XmlNodeType.SignificantWhitespace:
				goto case XmlNodeType.Whitespace;
			case XmlNodeType.Whitespace:
				WriteWhitespace (reader.Value);
				break;
			case XmlNodeType.EndElement:
				WriteFullEndElement ();
				break;
			case XmlNodeType.EndEntity:
				break;
			case XmlNodeType.None:
				break;	// Do nothing, nor reporting errors.
			default:
				throw new XmlException ("Unexpected node " + reader.Name + " of type " + reader.NodeType);
			}
			reader.Read ();
		}