Ichthyostega
acc77654d1
after all the relevant library components do support both kinds of type sequences transparently, any usages in core code can now be switched over to the new, variadic type sequences.
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*
|
||
WRAPPERPTR.hpp - variant record able to hold a pointer to some smart-ptr/wrapper types, providing conversions
|
||
|
||
Copyright (C)
|
||
2008, Hermann Vosseler <Ichthyostega@web.de>
|
||
|
||
**Lumiera** is free software; you can redistribute it and/or modify it
|
||
under the terms of the GNU General Public License as published by the
|
||
Free Software Foundation; either version 2 of the License, or (at your
|
||
option) any later version. See the file COPYING for further details.
|
||
|
||
*/
|
||
|
||
|
||
/** @file wrapperptr.hpp
|
||
** Wrapper to treat several flavours of smart-pointers uniformly
|
||
** @deprecated as of 2016 we should re-think how to organise visitor use in the Builder
|
||
*/
|
||
|
||
|
||
|
||
#ifndef LUMIERA_WRAPPERPTR_H
|
||
#define LUMIERA_WRAPPERPTR_H
|
||
|
||
|
||
#include "lib/variant-o.hpp"
|
||
#include "lib/access-casted-o.hpp"
|
||
|
||
#include "lib/meta/typelist.hpp"
|
||
#include "steam/mobject/placement.hpp"
|
||
#include "lib/p.hpp"
|
||
|
||
|
||
namespace steam {
|
||
namespace asset { class Asset; }
|
||
namespace mobject { class MObject; }
|
||
|
||
|
||
using WrapperTypes = lib::meta::TySeq< mobject::Placement<mobject::MObject>*
|
||
, lib::P<asset::Asset>*
|
||
> ::List;
|
||
}
|
||
|
||
namespace lumiera {
|
||
|
||
|
||
|
||
/**
|
||
* helper to treat various sorts of smart-ptrs uniformly.
|
||
* Implemented as a variant-type value object, it is preconfigured
|
||
* with the possible hierarchy-base classes used within this application.
|
||
* Thus, when passing in an arbitrary smart-ptr, the best fitting smart-ptr
|
||
* type pointing to the corresponding base class is selected for internal storage.
|
||
* Later on, stored values can be retrieved either utilising static or dynamic casts;
|
||
* error reporting is similar to the behaviour of dynamic_cast<T>: when retrieving
|
||
* a pointer, NULL is returned in case of mismatch.
|
||
*
|
||
* @deprecated not sure if this was a good idea anyway. Better re-think how to handle wrapped objects in visitation
|
||
* @todo really need to switch to the new lib::Variant and util::AccessCasted implementation ////////////////TICKET #450
|
||
*/
|
||
typedef lib::VariantO<steam::WrapperTypes, util::AccessCasted_O> WrapperPtr;
|
||
|
||
|
||
|
||
} // namespace lumiera
|
||
#endif
|