// You cannot instantiate a pure BContactField
// so this method help to unflatten the correct
// derived class
BContactField*
BContactField::UnflattenChildClass(const void* from, ssize_t size)
{
BMemoryIO data(from, size);
type_code childType;
data.Read(&childType, sizeof(childType));
ObjectDeleter<BContactField> deleter;
BContactField* child = NULL;
switch (childType) {
case B_CONTACT_NAME:
case B_CONTACT_NICKNAME:
case B_CONTACT_EMAIL:
case B_CONTACT_NOTE:
case B_CONTACT_ORGANIZATION:
case B_CONTACT_IM:
case B_CONTACT_URL:
case B_CONTACT_PHONE:
child = new BStringContactField(childType);
break;
case B_CONTACT_ADDRESS:
child = new BAddressContactField();
break;
case B_CONTACT_PHOTO:
child = new BPhotoContactField();
break;
default:
return NULL;
}
if (child == NULL)
return NULL;
status_t ret = child->Unflatten(B_CONTACT_FIELD_TYPE, from, size);
if (ret == B_OK)
return child;
deleter.SetTo(child);
return NULL;
}
// You cannot instantiate a pure BContactField
// so this method help to unflatten the correct
// derived class
BContactField*
BContactField::UnflattenChildClass(const void* from, ssize_t size)
{
BMemoryIO data(from, size);
type_code childType;
data.Read(&childType, sizeof(childType));
ObjectDeleter<BContactField> deleter;
BContactField* child = NULL;
child = BContactField::InstantiateChildClass(childType);
if (child == NULL)
return NULL;
status_t ret = child->Unflatten(B_CONTACT_FIELD_TYPE, from, size);
if (ret == B_OK)
return child;
deleter.SetTo(child);
return NULL;
}
