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82 lines
1.2 KiB
82 lines
1.2 KiB
3 months ago
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#pragma once
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#define IUNKNOWN_BEGIN2(iid,cls ) \
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STDMETHODIMP_(ULONG) AddRef(void)\
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{\
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return _AddRef();\
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}\
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STDMETHODIMP_(ULONG) Release(void)\
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{\
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return _Release();\
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}\
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STDMETHODIMP QueryInterface(REFIID riid, void **ppvObj)\
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{\
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if (ppvObj == NULL)\
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return E_INVALIDARG;\
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*ppvObj = NULL;\
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if(IsEqualIID(riid,iid) || IsEqualIID(riid,IID_IUnknown))\
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{\
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*ppvObj=(cls *)this;\
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}\
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#define IUNKNOWN_ADD_IID2(iid,cls) \
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if(IsEqualIID(riid,iid))\
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{\
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*ppvObj=(cls *)this;\
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}\
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#define IUNKNOWN_END() \
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if (*ppvObj)\
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{\
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AddRef();\
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return S_OK;\
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}\
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return E_NOINTERFACE;\
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}
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#define IUNKNOWN_BEGIN(iface ) \
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IUNKNOWN_BEGIN2(__uuidof(iface),iface)
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#define IUNKNOWN_ADD_IID(iface) \
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IUNKNOWN_ADD_IID2(__uuidof(iface),iface)
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#ifndef SOUI_EXP
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#define SOUI_EXP
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#endif//SOUI_EXP
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class SOUI_EXP SUnknown
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{
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public:
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SUnknown():m_cRef(1)
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{
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}
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virtual ~SUnknown(){}
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virtual void OnFinalRelease(){}
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protected:
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STDMETHODIMP_(ULONG) _AddRef(void)
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{
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return (ULONG)InterlockedIncrement(&m_cRef);
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}
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STDMETHODIMP_(ULONG) _Release(void)
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{
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LONG ret = InterlockedDecrement(&m_cRef);
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if(ret == 0)
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{
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OnFinalRelease();
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delete this;
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}
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return ret;
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}
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LONG GetRef() const {
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return m_cRef;
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}
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private:
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volatile LONG m_cRef;
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};
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