public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
{
if (indexes.Length != 1)
{
throw new InvalidOperationException("You may only specify a single index.");
}
XmlNode found = null;
var s = indexes[0] as string;
if (s != null)
{
var name = s;
found = node?.Attributes?[name];
if (found == null)
{
found = createElement(name);
node?.AppendChild(found);
}
}
else if (indexes[0] is int)
{
var index = (int)indexes[0];
found = node?.Attributes?[index];
}
if (found != null)
{
result = new XmlBuilder(found, createElement, createAttribute);
return(true);
}
result = null;
return(false);
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
XmlNode found = node[binder.Name];
if (found == null)
{
found = createElement(binder.Name);
node.AppendChild(found);
}
result = new XmlBuilder(found, createElement, createAttribute);
return(true);
}