public XTypedObject CreateInstance(IActivityMonitor monitor, XElement e, IServiceProvider baseProvider = null, Type type = null)
{
using (monitor.OpenDebug($"Creating XTypedObject from root {e.ToStringPath()}."))
{
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
if (monitor == null)
{
throw new ArgumentNullException(nameof(monitor));
}
if (_typeRegister.Count == 0)
{
AutoRegisterFromLoadedAssemblies(monitor);
}
e.Changing += PreventAnyChangesToXElement;
var eReader = new XElementReader(monitor, e, new HashSet <XObject>());
if (type == null)
{
type = GetMappping(eReader);
}
var rootConfig = new XTypedObject.Initializer(this, eReader, baseProvider);
var root = (XTypedObject)baseProvider.SimpleObjectCreate(monitor, type, rootConfig);
var result = root != null && CreateChildren(root, rootConfig) ? root : null;
if (result != null)
{
eReader.WarnUnhandledAttributes();
}
return(result);
}
}
static bool CreateChildren(XTypedObject parent, XTypedObject.Initializer parentConfig)
{
SimpleServiceContainer cChild = null;
List <XTypedObject> created = null;
XTypedFactory typeFactory = null;
var eParent = parent.XElement;
foreach (var child in eParent.Elements())
{
if (typeFactory == null)
{
typeFactory = parentConfig.ChildServices.GetService <XTypedFactory>(true);
}
var rChild = parentConfig.Reader.WithElement(child, false);
var tChild = typeFactory.GetMappping(rChild);
if (tChild != null)
{
if (cChild == null)
{
cChild = new SimpleServiceContainer(parentConfig.ChildServices);
}
var config = new XTypedObject.Initializer(parent, rChild, cChild);
var o = (XTypedObject)cChild.SimpleObjectCreate(rChild.Monitor, tChild, config);
if (created == null)
{
created = new List <XTypedObject>();
}
created.Add(o);
if (o == null || !CreateChildren(o, config))
{
return(false);
}
rChild.WarnUnhandledAttributes();
}
}
return(parent.OnChildrenCreated(parentConfig, (IReadOnlyList <XTypedObject>)created ?? Array.Empty <XTypedObject>()));
}