/// <summary>
/// Gets called by the ObjectCopierState on custom / default behavior switches
/// </summary>
internal T CloneRecursive <T>(T source, ObjectCopierState ocState)
{
// Don't clone a null object or immutable objects. Return the identical reference in these cases
if (source == null || ImmutableTypeSet.IsImmutableType(source.GetType()))
{
return(source);
}
Type objType = source.GetType();
IdentityDictionary <Object, Object> objectToCloneDict = ocState.objectToCloneDict;
Object clone = DictionaryExtension.ValueOrDefault(ocState.objectToCloneDict, source);
if (clone != null)
{
// Object has already been cloned. Cycle detected - we are finished here
return((T)clone);
}
if (objType.IsArray)
{
return((T)CloneArray(source, ocState));
}
if (source is IEnumerable && !(source is String))
{
return((T)CloneCollection(source, ocState));
}
// Check whether the object will be copied by custom behavior
IObjectCopierExtension extension = extensions.GetExtension(objType);
if (extension != null)
{
clone = extension.DeepClone(source, ocState);
objectToCloneDict.Add(source, clone);
return((T)clone);
}
// Copy by default behavior
return((T)CloneDefault(source, ocState));
}
public void UnregisterObjectCopierExtension(IObjectCopierExtension objectCopierExtension, Type type)
{
// Delegate pattern to unregister the extension from the internal extension manager
extensions.Unregister(objectCopierExtension, type);
}
