116 lines
2.5 KiB
C++
116 lines
2.5 KiB
C++
/*
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Copyright 1991-2015 Amebis
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This file is part of libatl.
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Setup is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Setup is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Setup. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <atldef.h>
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namespace ATL
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{
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//
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// CObjectWithHandleT
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//
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template <class T>
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class CObjectWithHandleT
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{
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public:
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typedef T HANDLE;
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inline CObjectWithHandleT() throw() : m_h(NULL)
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{
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}
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inline CObjectWithHandleT(T h) throw() : m_h(h)
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{
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}
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inline operator T() const throw()
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{
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return m_h;
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}
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inline T*& operator*() const
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{
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ATLENSURE(m_h != NULL);
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return *m_h;
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}
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inline T* operator&() throw()
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{
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ATLASSERT(m_h == NULL);
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return &m_h;
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}
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inline T operator->() const throw()
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{
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ATLASSERT(m_h != NULL);
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return m_h;
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}
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inline bool operator!() const throw()
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{
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return m_h == NULL;
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}
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inline bool operator<(_In_opt_ T h) const throw()
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{
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return m_h < h;
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}
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inline bool operator!=(_In_opt_ T h) const
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{
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return !operator==(h);
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}
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inline bool operator==(_In_opt_ T h) const throw()
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{
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return m_h == h;
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}
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inline void Attach(_In_opt_ T h) throw()
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{
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if (m_h)
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InternalFree();
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m_h = h;
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}
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inline T Detach() throw()
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{
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T h = m_h;
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m_h = NULL;
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return h;
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}
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inline void Free() throw()
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{
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if (m_h) {
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InternalFree();
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m_h = NULL;
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}
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}
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protected:
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virtual void InternalFree() = 0;
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protected:
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T m_h;
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};
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}
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