internal static void SwitchTo(bool isSafe)
{
DeepClonerCache.ClearCache();
if (isSafe)
{
_instance = new ShallowSafeObjectCloner();
}
else
{
_instance = _unsafeInstance;
}
}
internal static object CloneClassInternal(object obj, DeepCloneState state)
{
if (obj == null)
{
return(null);
}
Func <object, DeepCloneState, object> cloner = (Func <object, DeepCloneState, object>)DeepClonerCache.GetOrAddClass(obj.GetType(), (Type t) => GenerateCloner(t, asObject: true));
if (cloner == null)
{
return(obj);
}
object knownRef = state.GetKnownRef(obj);
if (knownRef != null)
{
return(knownRef);
}
return(cloner(obj, state));
}
public static object CloneObjectTo(object objFrom, object objTo, bool isDeep)
{
if (objTo == null)
{
return(null);
}
if (objFrom == null)
{
throw new ArgumentNullException("objFrom", "Cannot copy null object to another");
}
Type type = objFrom.GetType();
if (!type.IsInstanceOfType(objTo))
{
throw new InvalidOperationException("From object should be derived from From object, but From object has type " + objFrom.GetType().FullName + " and to " + objTo.GetType().FullName);
}
if (objFrom is string)
{
throw new InvalidOperationException("It is forbidden to clone strings");
}
Func <object, object, DeepCloneState, object> cloner = (Func <object, object, DeepCloneState, object>)(isDeep ? DeepClonerCache.GetOrAddDeepClassTo(type, (Type t) => ClonerToExprGenerator.GenerateClonerInternal(t, isDeepClone: true)) : DeepClonerCache.GetOrAddShallowClassTo(type, (Type t) => ClonerToExprGenerator.GenerateClonerInternal(t, isDeepClone: false)));
if (cloner == null)
{
return(objTo);
}
return(cloner(objFrom, objTo, new DeepCloneState()));
}
private static object CloneClassRoot(object obj)
{
if (obj == null)
{
return(null);
}
Func <object, DeepCloneState, object> cloner = (Func <object, DeepCloneState, object>)DeepClonerCache.GetOrAddClass(obj.GetType(), (Type t) => GenerateCloner(t, asObject: true));
if (cloner == null)
{
return(obj);
}
return(cloner(obj, new DeepCloneState()));
}
internal static Func <T, DeepCloneState, T> GetClonerForValueType <T>()
{
return((Func <T, DeepCloneState, T>)DeepClonerCache.GetOrAddStructAsObject(typeof(T), (Type t) => GenerateCloner(t, asObject: false)));
}