private NodeAndLinks ReadEditable(XElement node, IDataSource datasource, INodeFactory <ConversationNode <TNodeUI, TTransitionUI>, TTransitionUI, TUIRawData> nodeFactory)
{
NodeID id = NodeID.Parse(node.Attribute("Id").Value);
Guid guid = Guid.Parse(node.Attribute("Guid").Value);
Func <NodeID, ExternalFunction> nodeGenerator = datasource.GetNode(guid);
IEditable editable = nodeGenerator(id);
List <Tuple <Parameter, Func <bool> > > failedParameters = new List <Tuple <Parameter, Func <bool> > >();
foreach (Parameter p in editable.Parameters)
{
var pp = p;
Func <bool> retry = () =>
{
try
{
return(pp.TryDeserialiseValue(node.Elements("Parameter").Where(n => Guid.Parse(n.Attribute("guid").Value) == pp.Guid).Select(n => n.Attribute("value").Value).Single()));
}
catch
{
return(false);
}
};
if (!retry())
{
failedParameters.Add(Tuple.Create(pp, retry));
}
}
ConversationNode <TNodeUI, TTransitionUI> a = !failedParameters.Any() ? nodeFactory.MakeNode(editable, m_nodeUISerializer.Read(node))
: nodeFactory.MakeCorruptedNode(editable, m_nodeUISerializer.Read(node), failedParameters);
return(MakeNodeAndLinks(a, node));
}
private IDictionary <Output, IEnumerable <NodeID> > ReadLinks(IEnumerable <ITransitionOutNode <ConversationNode <TNodeUI, TTransitionUI>, TTransitionUI> > outputs, XElement node)
{
Dictionary <Output, IEnumerable <NodeID> > result = new Dictionary <Output, IEnumerable <NodeID> >();
foreach (var output in outputs.Select(a => a.Output))
{
var outputNode = node.Elements("Output").SingleOrDefault(e => Guid.Parse(e.Attribute("guid").Value) == output.Guid);
result[output] = outputNode != null?outputNode.Elements("Link").Select(l => NodeID.Parse(l.Attribute("To").Value)) : Enumerable.Empty <NodeID>();
}
return(result);
}
