100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
// Filename: weakPointerToBase.h
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// Created by: drose (27Sep04)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef WEAKPOINTERTOBASE_H
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#define WEAKPOINTERTOBASE_H
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#include "pandabase.h"
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#include "pointerToBase.h"
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#include "weakPointerToVoid.h"
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////////////////////////////////////////////////////////////////////
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// Class : WeakPointerToBase
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// Description : This is the base class for PointerTo and
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// ConstPointerTo. Don't try to use it directly; use
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// either derived class instead.
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////////////////////////////////////////////////////////////////////
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template <class T>
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class WeakPointerToBase : public WeakPointerToVoid {
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public:
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typedef T To;
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protected:
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INLINE WeakPointerToBase(To *ptr);
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INLINE WeakPointerToBase(const PointerToBase<T> ©);
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INLINE WeakPointerToBase(const WeakPointerToBase<T> ©);
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INLINE ~WeakPointerToBase();
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void reassign(To *ptr);
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INLINE void reassign(const PointerToBase<To> ©);
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INLINE void reassign(const WeakPointerToBase<To> ©);
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// No assignment or retrieval functions are declared in
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// WeakPointerToBase, because we will have to specialize on const
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// vs. non-const later.
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public:
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// These comparison functions are common to all things PointerTo, so
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// they're defined up here.
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#ifndef CPPPARSER
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#ifndef WIN32_VC
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INLINE bool operator == (const To *other) const;
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INLINE bool operator != (const To *other) const;
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INLINE bool operator > (const To *other) const;
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INLINE bool operator <= (const To *other) const;
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INLINE bool operator >= (const To *other) const;
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INLINE bool operator == (To *other) const;
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INLINE bool operator != (To *other) const;
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INLINE bool operator > (To *other) const;
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INLINE bool operator <= (To *other) const;
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INLINE bool operator >= (To *other) const;
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INLINE bool operator == (const WeakPointerToBase<To> &other) const;
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INLINE bool operator != (const WeakPointerToBase<To> &other) const;
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INLINE bool operator > (const WeakPointerToBase<To> &other) const;
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INLINE bool operator <= (const WeakPointerToBase<To> &other) const;
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INLINE bool operator >= (const WeakPointerToBase<To> &other) const;
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INLINE bool operator == (const PointerToBase<To> &other) const;
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INLINE bool operator != (const PointerToBase<To> &other) const;
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INLINE bool operator > (const PointerToBase<To> &other) const;
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INLINE bool operator <= (const PointerToBase<To> &other) const;
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INLINE bool operator >= (const PointerToBase<To> &other) const;
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#endif // WIN32_VC
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INLINE bool operator < (const To *other) const;
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INLINE bool operator < (const WeakPointerToBase<To> &other) const;
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INLINE bool operator < (const PointerToBase<To> &other) const;
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#endif // CPPPARSER
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PUBLISHED:
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INLINE void clear();
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INLINE void refresh() const;
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void output(ostream &out) const;
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};
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template<class T>
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INLINE ostream &operator <<(ostream &out, const WeakPointerToBase<T> &pointer) {
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pointer.output(out);
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return out;
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}
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#include "weakPointerToBase.I"
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#endif
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