private JObject GetJObjectFromMarkupExt (string strMarkup)
{
JObject result = null;
XamlNodeStackItem obj, member;
var posParams = new List<string>();
var stack = new List<XamlNodeStackItem>();
foreach (XamlNode node in GetMarkupExtParser().Parse(strMarkup, 0, 0)) {
switch (node.NodeType) {
case XamlNodeType.None:
break;
case XamlNodeType.StartObject:
string ns = FindPrefixByNamespace(node.XamlType.PreferredXamlNamespace);
stack.Add(new XamlNodeStackItem(node,
new JObject(new JProperty(pnDollar,
ns != "" ? string.Format("{0}:{1}", ns, node.XamlType.Name) : node.XamlType.Name))));
break;
case XamlNodeType.GetObject:
throw new NotImplementedException();
case XamlNodeType.EndObject:
obj = stack.Last();
if (stack.Count == 1)
result = obj.JObject;
stack.RemoveAt(stack.Count - 1);
if (stack.Count > 0) {
member = stack.Last();
if (member.JProperty != null)
member.JProperty.Value = FormatJObjectAsMarkupExt(obj.JObject);
}
break;
case XamlNodeType.StartMember:
obj = stack.Last(t => t.JObject != null);
member = new XamlNodeStackItem(node, new JProperty(node.Member.Name, null));
obj.JObject.Add(member.JProperty);
stack.Add(member);
break;
case XamlNodeType.EndMember:
member = stack.Last();
if (member.JProperty.Name == XamlLanguage.PositionalParameters.Name) {
obj = stack.Last(t => t.JObject != null);
member.JProperty.Remove();
AddPositionalParams(obj, posParams);
posParams.Clear();
}
stack.RemoveAt(stack.Count - 1);
break;
case XamlNodeType.Value:
member = stack.Last();
string value = string.Format(CultureInfo.InvariantCulture, "{0}", node.Value);
if (member.JProperty.Name == XamlLanguage.PositionalParameters.Name)
posParams.Add(value);
else
member.JProperty.Value = value;
break;
case XamlNodeType.NamespaceDeclaration:
throw new NotImplementedException();
default:
throw new InvalidOperationException();
}
}
return result;
}
private static void AddPositionalParams (XamlNodeStackItem obj, List<string> posParams)
{
Type objType = obj.Node.XamlType.UnderlyingType;
ParameterInfo[] constrParams = objType.GetConstructors()
.Select(ci => ci.GetParameters())
.Single(prms => prms.Length == posParams.Count);
for (int i = 0; i < constrParams.Length; i++) {
string paramName = constrParams[i].Name;
PropertyInfo paramProp = objType.GetProperties()
.SingleOrDefault(p => p.GetCustomAttribute<ConstructorArgumentAttribute>() != null &&
p.GetCustomAttribute<ConstructorArgumentAttribute>().ArgumentName == paramName);
if (paramProp != null)
paramName = paramProp.Name;
else
paramName = char.ToUpper(paramName[0]) + paramName.Substring(1);
obj.JObject.Add(new JProperty(paramName, posParams[i]));
}
}
