59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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#pragma once
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#include "atlbase.h"
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template <typename T> class CSxApwComPtr;
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/* like what FusionHandle does */
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template <typename T>
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class CSmartPointerPointerOrDumbPointerPointerOrVoidPointerPointer
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{
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public:
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CSmartPointerPointerOrDumbPointerPointerOrVoidPointerPointer(CSxApwComPtr<T>* p) : m(p) { }
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operator CSxApwComPtr<T>*() { return m; }
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operator T**() { return &(*m).p; }
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operator void**() { return reinterpret_cast<void**>(operator T**()); }
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CSxApwComPtr<T>* m;
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};
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template <typename T>
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class CSxApwComPtr : public ATL::CComQIPtr<T>
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{
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private:
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typedef ATL::CComQIPtr<T> Base;
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public:
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~CSxApwComPtr() { }
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CSxApwComPtr(const CSxApwComPtr& that) : Base(that) { }
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CSxApwComPtr(T* pt = NULL) : Base(pt) { }
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void operator=(T* pt) { Base::operator=(pt); }
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CSxApwComPtr(IUnknown* pt) : Base(pt) { }
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void operator=(IUnknown* pt) { Base::operator=(pt); }
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T* operator->() const { return Base::operator->(); }
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CSmartPointerPointerOrDumbPointerPointerOrVoidPointerPointer<T> operator&()
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{
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return CSmartPointerPointerOrDumbPointerPointerOrVoidPointerPointer<T>(this);
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}
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};
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//Specialization to make it work
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template<>
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class CSxApwComPtr<IUnknown> : public ATL::CComQIPtr<IUnknown, &IID_IUnknown>
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{
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private:
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typedef T IUnknown;
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typedef ATL::CComQIPtr<IUnknown, &IID_IUnknown> Base;
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public:
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~CSxApwComPtr() { }
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CSxApwComPtr(const CSxApwComPtr& that) : Base(that) { }
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CSxApwComPtr(T* pt = NULL) : Base(pt) { }
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void operator=(T* pt) { Base::operator=(pt); }
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T* operator->() const { return Base::operator->(); }
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CSmartPointerPointerOrDumbPointerPointerOrVoidPointerPointer<T> operator&()
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{
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return CSmartPointerPointerOrDumbPointerPointerOrVoidPointerPointer<T>(this);
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}
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};
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