8 #define RINOK(x) { HRESULT __result_ = (x); if(__result_ != S_OK) return __result_; }
15 // typedef T _PtrClass;
16 CMyComPtr() { _p = NULL;}
17 CMyComPtr(T* p) {if ((_p = p) != NULL) p->AddRef(); }
18 CMyComPtr(const CMyComPtr<T>& lp)
20 if ((_p = lp._p) != NULL)
23 ~CMyComPtr() { if (_p) _p->Release(); }
24 void Release() { if (_p) { _p->Release(); _p = NULL; } }
25 operator T*() const { return (T*)_p; }
26 // T& operator*() const { return *_p; }
27 T** operator&() { return &_p; }
28 T* operator->() const { return _p; }
38 T* operator=(const CMyComPtr<T>& lp) { return (*this = lp._p); }
39 bool operator!() const { return (_p == NULL); }
40 // bool operator==(T* pT) const { return _p == pT; }
41 // Compare two objects for equivalence
54 HRESULT CoCreateInstance(REFCLSID rclsid, REFIID iid, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL)
56 return ::CoCreateInstance(rclsid, pUnkOuter, dwClsContext, iid, (void**)&_p);
60 HRESULT CoCreateInstance(LPCOLESTR szProgID, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL)
63 HRESULT hr = CLSIDFromProgID(szProgID, &clsid);
64 ATLASSERT(_p == NULL);
66 hr = ::CoCreateInstance(clsid, pUnkOuter, dwClsContext, __uuidof(T), (void**)&_p);
71 HRESULT QueryInterface(REFGUID iid, Q** pp) const
73 return _p->QueryInterface(iid, (void**)pp);
77 //////////////////////////////////////////////////////////
83 CMyComBSTR() { m_str = NULL; }
84 CMyComBSTR(LPCOLESTR pSrc) { m_str = ::SysAllocString(pSrc); }
85 // CMyComBSTR(int nSize) { m_str = ::SysAllocStringLen(NULL, nSize); }
86 // CMyComBSTR(int nSize, LPCOLESTR sz) { m_str = ::SysAllocStringLen(sz, nSize); }
87 CMyComBSTR(const CMyComBSTR& src) { m_str = src.MyCopy(); }
89 CMyComBSTR(REFGUID src)
92 StringFromCLSID(src, &szGuid);
93 m_str = ::SysAllocString(szGuid);
94 CoTaskMemFree(szGuid);
97 ~CMyComBSTR() { ::SysFreeString(m_str); }
98 CMyComBSTR& operator=(const CMyComBSTR& src)
100 if (m_str != src.m_str)
103 ::SysFreeString(m_str);
104 m_str = src.MyCopy();
108 CMyComBSTR& operator=(LPCOLESTR pSrc)
110 ::SysFreeString(m_str);
111 m_str = ::SysAllocString(pSrc);
114 unsigned int Length() const { return ::SysStringLen(m_str); }
115 operator BSTR() const { return m_str; }
116 BSTR* operator&() { return &m_str; }
119 int byteLen = ::SysStringByteLen(m_str);
120 BSTR res = ::SysAllocStringByteLen(NULL, byteLen);
121 memmove(res, m_str, byteLen);
124 void Attach(BSTR src) { m_str = src; }
133 ::SysFreeString(m_str);
136 bool operator!() const { return (m_str == NULL); }
140 //////////////////////////////////////////////////////////
146 CMyUnknownImp(): __m_RefCount(0) {}
149 #define MY_QUERYINTERFACE_BEGIN STDMETHOD(QueryInterface) \
150 (REFGUID iid, void **outObject) {
152 #define MY_QUERYINTERFACE_ENTRY(i) if (iid == IID_ ## i) \
153 { *outObject = (void *)(i *)this; AddRef(); return S_OK; }
155 #define MY_QUERYINTERFACE_END return E_NOINTERFACE; }
157 #define MY_ADDREF_RELEASE \
158 STDMETHOD_(ULONG, AddRef)() { return ++__m_RefCount; } \
159 STDMETHOD_(ULONG, Release)() { if (--__m_RefCount != 0) \
160 return __m_RefCount; delete this; return 0; }
162 #define MY_UNKNOWN_IMP_SPEC(i) \
163 MY_QUERYINTERFACE_BEGIN \
165 MY_QUERYINTERFACE_END \
169 #define MY_UNKNOWN_IMP STDMETHOD(QueryInterface)(REFGUID, void **) { \
170 MY_QUERYINTERFACE_END \
173 #define MY_UNKNOWN_IMP1(i) MY_UNKNOWN_IMP_SPEC( \
174 MY_QUERYINTERFACE_ENTRY(i) \
177 #define MY_UNKNOWN_IMP2(i1, i2) MY_UNKNOWN_IMP_SPEC( \
178 MY_QUERYINTERFACE_ENTRY(i1) \
179 MY_QUERYINTERFACE_ENTRY(i2) \
182 #define MY_UNKNOWN_IMP3(i1, i2, i3) MY_UNKNOWN_IMP_SPEC( \
183 MY_QUERYINTERFACE_ENTRY(i1) \
184 MY_QUERYINTERFACE_ENTRY(i2) \
185 MY_QUERYINTERFACE_ENTRY(i3) \
188 #define MY_UNKNOWN_IMP4(i1, i2, i3, i4) MY_UNKNOWN_IMP_SPEC( \
189 MY_QUERYINTERFACE_ENTRY(i1) \
190 MY_QUERYINTERFACE_ENTRY(i2) \
191 MY_QUERYINTERFACE_ENTRY(i3) \
192 MY_QUERYINTERFACE_ENTRY(i4) \
195 #define MY_UNKNOWN_IMP5(i1, i2, i3, i4, i5) MY_UNKNOWN_IMP_SPEC( \
196 MY_QUERYINTERFACE_ENTRY(i1) \
197 MY_QUERYINTERFACE_ENTRY(i2) \
198 MY_QUERYINTERFACE_ENTRY(i3) \
199 MY_QUERYINTERFACE_ENTRY(i4) \
200 MY_QUERYINTERFACE_ENTRY(i5) \