9 #define RINOK(x) { HRESULT __result_ = (x); if(__result_ != S_OK) return __result_; }
17 // typedef T _PtrClass;
18 CMyComPtr() { _p = NULL;}
19 CMyComPtr(T* p) {if ((_p = p) != NULL) p->AddRef(); }
20 CMyComPtr(const CMyComPtr<T>& lp)
22 if ((_p = lp._p) != NULL)
25 ~CMyComPtr() { if (_p) _p->Release(); }
26 void Release() { if (_p) { _p->Release(); _p = NULL; } }
27 operator T*() const { return (T*)_p; }
28 // T& operator*() const { return *_p; }
29 T** operator&() { return &_p; }
30 T* operator->() const { return _p; }
40 T* operator=(const CMyComPtr<T>& lp) { return (*this = lp._p); }
41 bool operator!() const { return (_p == NULL); }
42 // bool operator==(T* pT) const { return _p == pT; }
43 // Compare two objects for equivalence
56 HRESULT CoCreateInstance(REFCLSID rclsid, REFIID iid, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL)
58 return ::CoCreateInstance(rclsid, pUnkOuter, dwClsContext, iid, (void**)&_p);
62 HRESULT CoCreateInstance(LPCOLESTR szProgID, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL)
65 HRESULT hr = CLSIDFromProgID(szProgID, &clsid);
66 ATLASSERT(_p == NULL);
68 hr = ::CoCreateInstance(clsid, pUnkOuter, dwClsContext, __uuidof(T), (void**)&_p);
73 HRESULT QueryInterface(REFGUID iid, Q** pp) const
75 return _p->QueryInterface(iid, (void**)pp);
79 //////////////////////////////////////////////////////////
85 CMyComBSTR() { m_str = NULL; }
86 CMyComBSTR(LPCOLESTR pSrc) { m_str = ::SysAllocString(pSrc); }
87 // CMyComBSTR(int nSize) { m_str = ::SysAllocStringLen(NULL, nSize); }
88 // CMyComBSTR(int nSize, LPCOLESTR sz) { m_str = ::SysAllocStringLen(sz, nSize); }
89 CMyComBSTR(const CMyComBSTR& src) { m_str = src.MyCopy(); }
91 CMyComBSTR(REFGUID src)
94 StringFromCLSID(src, &szGuid);
95 m_str = ::SysAllocString(szGuid);
96 CoTaskMemFree(szGuid);
99 ~CMyComBSTR() { ::SysFreeString(m_str); }
100 CMyComBSTR& operator=(const CMyComBSTR& src)
102 if (m_str != src.m_str)
105 ::SysFreeString(m_str);
106 m_str = src.MyCopy();
110 CMyComBSTR& operator=(LPCOLESTR pSrc)
112 ::SysFreeString(m_str);
113 m_str = ::SysAllocString(pSrc);
116 unsigned int Length() const { return ::SysStringLen(m_str); }
117 operator BSTR() const { return m_str; }
118 BSTR* operator&() { return &m_str; }
121 int byteLen = ::SysStringByteLen(m_str);
122 BSTR res = ::SysAllocStringByteLen(NULL, byteLen);
123 memmove(res, m_str, byteLen);
126 void Attach(BSTR src) { m_str = src; }
135 ::SysFreeString(m_str);
138 bool operator!() const { return (m_str == NULL); }
142 //////////////////////////////////////////////////////////
148 CMyUnknownImp(): __m_RefCount(0) {}
151 #define MY_QUERYINTERFACE_BEGIN STDMETHOD(QueryInterface) \
152 (REFGUID iid, void **outObject) {
154 #define MY_QUERYINTERFACE_ENTRY(i) if (iid == IID_ ## i) \
155 { *outObject = (void *)(i *)this; AddRef(); return S_OK; }
157 #define MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) if (iid == IID_IUnknown) \
158 { *outObject = (void *)(IUnknown *)(i *)this; AddRef(); return S_OK; }
160 #define MY_QUERYINTERFACE_BEGIN2(i) MY_QUERYINTERFACE_BEGIN \
161 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) \
162 MY_QUERYINTERFACE_ENTRY(i)
164 #define MY_QUERYINTERFACE_END return E_NOINTERFACE; }
166 #define MY_ADDREF_RELEASE \
167 STDMETHOD_(ULONG, AddRef)() { return ++__m_RefCount; } \
168 STDMETHOD_(ULONG, Release)() { if (--__m_RefCount != 0) \
169 return __m_RefCount; delete this; return 0; }
171 #define MY_UNKNOWN_IMP_SPEC(i) \
172 MY_QUERYINTERFACE_BEGIN \
174 MY_QUERYINTERFACE_END \
178 #define MY_UNKNOWN_IMP MY_QUERYINTERFACE_BEGIN \
179 MY_QUERYINTERFACE_ENTRY_UNKNOWN(IUnknown) \
180 MY_QUERYINTERFACE_END \
183 #define MY_UNKNOWN_IMP1(i) MY_UNKNOWN_IMP_SPEC( \
184 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) \
185 MY_QUERYINTERFACE_ENTRY(i) \
188 #define MY_UNKNOWN_IMP2(i1, i2) MY_UNKNOWN_IMP_SPEC( \
189 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
190 MY_QUERYINTERFACE_ENTRY(i1) \
191 MY_QUERYINTERFACE_ENTRY(i2) \
194 #define MY_UNKNOWN_IMP3(i1, i2, i3) MY_UNKNOWN_IMP_SPEC( \
195 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
196 MY_QUERYINTERFACE_ENTRY(i1) \
197 MY_QUERYINTERFACE_ENTRY(i2) \
198 MY_QUERYINTERFACE_ENTRY(i3) \
201 #define MY_UNKNOWN_IMP4(i1, i2, i3, i4) MY_UNKNOWN_IMP_SPEC( \
202 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
203 MY_QUERYINTERFACE_ENTRY(i1) \
204 MY_QUERYINTERFACE_ENTRY(i2) \
205 MY_QUERYINTERFACE_ENTRY(i3) \
206 MY_QUERYINTERFACE_ENTRY(i4) \
209 #define MY_UNKNOWN_IMP5(i1, i2, i3, i4, i5) MY_UNKNOWN_IMP_SPEC( \
210 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
211 MY_QUERYINTERFACE_ENTRY(i1) \
212 MY_QUERYINTERFACE_ENTRY(i2) \
213 MY_QUERYINTERFACE_ENTRY(i3) \
214 MY_QUERYINTERFACE_ENTRY(i4) \
215 MY_QUERYINTERFACE_ENTRY(i5) \