static INode ReadNode(XmlReader reader, bool nested = false)
{
var skipFirstRead = nested;
Debug.Assert(reader.NodeType == XmlNodeType.Element);
var name = reader.Name;
List <INode> nodes = new List <INode>();
INode node = null;
while (skipFirstRead || reader.Read())
{
skipFirstRead = false;
switch (reader.NodeType)
{
case XmlNodeType.EndElement:
Debug.Assert(reader.Name == name);
if (nodes.Count == 0) //Empty element
{
return(null);
}
if (nodes.Count == 1)
{
return(nodes[0]);
}
return(new ListNode(nodes, (IXmlNamespaceResolver)reader, ((IXmlLineInfo)reader).LineNumber,
((IXmlLineInfo)reader).LinePosition));
case XmlNodeType.Element:
var isEmpty = reader.IsEmptyElement && reader.Name == name;
var elementName = reader.Name;
var elementNsUri = reader.NamespaceURI;
var elementXmlInfo = (IXmlLineInfo)reader;
IList <KeyValuePair <string, string> > xmlns;
var attributes = ParseXamlAttributes(reader, out xmlns);
var prefixes = PrefixesToIgnore(xmlns);
IList <XmlType> typeArguments = null;
if (attributes.Any(kvp => kvp.Key == XmlName.xTypeArguments))
{
typeArguments =
((ValueNode)attributes.First(kvp => kvp.Key == XmlName.xTypeArguments).Value).Value as IList <XmlType>;
}
node = new ElementNode(new XmlType(elementNsUri, elementName, typeArguments), elementNsUri,
reader as IXmlNamespaceResolver, elementXmlInfo.LineNumber, elementXmlInfo.LinePosition);
((IElementNode)node).Properties.AddRange(attributes);
(node.IgnorablePrefixes ?? (node.IgnorablePrefixes = new List <string>()))?.AddRange(prefixes);
ParseXamlElementFor((IElementNode)node, reader);
nodes.Add(node);
if (isEmpty || nested)
{
return(node);
}
break;
case XmlNodeType.Text:
node = new ValueNode(reader.Value.Trim(), (IXmlNamespaceResolver)reader, ((IXmlLineInfo)reader).LineNumber,
((IXmlLineInfo)reader).LinePosition);
nodes.Add(node);
break;
case XmlNodeType.Whitespace:
break;
default:
Debug.WriteLine("Unhandled node {0} {1} {2}", reader.NodeType, reader.Name, reader.Value);
break;
}
}
throw new XamlParseException("Closing PropertyElement expected", (IXmlLineInfo)reader);
}
public void Visit(ValueNode node, INode parentNode)
{
scopes[node] = scopes[parentNode];
}
public void Visit(ValueNode node, INode parentNode) => action(node, parentNode);
public void Visit(ValueNode node, INode parentNode)
{
}
public void Visit(ValueNode node, INode parentNode)
{
Values[node] = node.Value;
}