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47 lines
935 B
C++
47 lines
935 B
C++
#ifndef APITESTS_UNKNOWNBASE_H
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#define APITESTS_UNKNOWNBASE_H
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template<typename Interface>
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class CUnknownBase : public Interface
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{
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LONG m_lRef;
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bool m_AutoDelete;
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protected:
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virtual const QITAB* GetQITab() = 0;
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public:
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CUnknownBase(bool autoDelete = true, LONG initialRef = 0)
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: m_lRef(initialRef),
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m_AutoDelete(autoDelete)
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{
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}
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ULONG STDMETHODCALLTYPE AddRef ()
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{
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return InterlockedIncrement( &m_lRef );
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}
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ULONG STDMETHODCALLTYPE Release()
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{
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long newref = InterlockedDecrement( &m_lRef );
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if (m_AutoDelete && newref<=0)
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{
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delete this;
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}
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return newref;
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}
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HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppv)
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{
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return QISearch(this, GetQITab(), riid, ppv);
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}
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virtual ~CUnknownBase() {}
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LONG GetRef() const
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{
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return m_lRef;
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}
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};
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#endif // APITESTS_UNKNOWNBASE_H
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