The Tor Browser / file comparison
comparison: other-licenses/7zstub/src/Common/MyCom.h
other-licenses/7zstub/src/Common/MyCom.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
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| -1:000000000000 | 0:3262480b73f5 |
|---|---|
| 1 // MyCom.h | |
| 2 | |
| 3 #ifndef __MYCOM_H | |
| 4 #define __MYCOM_H | |
| 5 | |
| 6 #include "MyWindows.h" | |
| 7 | |
| 8 #define RINOK(x) { HRESULT __result_ = (x); if(__result_ != S_OK) return __result_; } | |
| 9 | |
| 10 template <class T> | |
| 11 class CMyComPtr | |
| 12 { | |
| 13 T* _p; | |
| 14 public: | |
| 15 // typedef T _PtrClass; | |
| 16 CMyComPtr() { _p = NULL;} | |
| 17 CMyComPtr(T* p) {if ((_p = p) != NULL) p->AddRef(); } | |
| 18 CMyComPtr(const CMyComPtr<T>& lp) | |
| 19 { | |
| 20 if ((_p = lp._p) != NULL) | |
| 21 _p->AddRef(); | |
| 22 } | |
| 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; } | |
| 29 T* operator=(T* p) | |
| 30 { | |
| 31 if (p != 0) | |
| 32 p->AddRef(); | |
| 33 if (_p) | |
| 34 _p->Release(); | |
| 35 _p = p; | |
| 36 return p; | |
| 37 } | |
| 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 | |
| 42 void Attach(T* p2) | |
| 43 { | |
| 44 Release(); | |
| 45 _p = p2; | |
| 46 } | |
| 47 T* Detach() | |
| 48 { | |
| 49 T* pt = _p; | |
| 50 _p = NULL; | |
| 51 return pt; | |
| 52 } | |
| 53 #ifdef _WIN32 | |
| 54 HRESULT CoCreateInstance(REFCLSID rclsid, REFIID iid, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL) | |
| 55 { | |
| 56 return ::CoCreateInstance(rclsid, pUnkOuter, dwClsContext, iid, (void**)&_p); | |
| 57 } | |
| 58 #endif | |
| 59 /* | |
| 60 HRESULT CoCreateInstance(LPCOLESTR szProgID, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL) | |
| 61 { | |
| 62 CLSID clsid; | |
| 63 HRESULT hr = CLSIDFromProgID(szProgID, &clsid); | |
| 64 ATLASSERT(_p == NULL); | |
| 65 if (SUCCEEDED(hr)) | |
| 66 hr = ::CoCreateInstance(clsid, pUnkOuter, dwClsContext, __uuidof(T), (void**)&_p); | |
| 67 return hr; | |
| 68 } | |
| 69 */ | |
| 70 template <class Q> | |
| 71 HRESULT QueryInterface(REFGUID iid, Q** pp) const | |
| 72 { | |
| 73 return _p->QueryInterface(iid, (void**)pp); | |
| 74 } | |
| 75 }; | |
| 76 | |
| 77 ////////////////////////////////////////////////////////// | |
| 78 | |
| 79 class CMyComBSTR | |
| 80 { | |
| 81 public: | |
| 82 BSTR m_str; | |
| 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(); } | |
| 88 /* | |
| 89 CMyComBSTR(REFGUID src) | |
| 90 { | |
| 91 LPOLESTR szGuid; | |
| 92 StringFromCLSID(src, &szGuid); | |
| 93 m_str = ::SysAllocString(szGuid); | |
| 94 CoTaskMemFree(szGuid); | |
| 95 } | |
| 96 */ | |
| 97 ~CMyComBSTR() { ::SysFreeString(m_str); } | |
| 98 CMyComBSTR& operator=(const CMyComBSTR& src) | |
| 99 { | |
| 100 if (m_str != src.m_str) | |
| 101 { | |
| 102 if (m_str) | |
| 103 ::SysFreeString(m_str); | |
| 104 m_str = src.MyCopy(); | |
| 105 } | |
| 106 return *this; | |
| 107 } | |
| 108 CMyComBSTR& operator=(LPCOLESTR pSrc) | |
| 109 { | |
| 110 ::SysFreeString(m_str); | |
| 111 m_str = ::SysAllocString(pSrc); | |
| 112 return *this; | |
| 113 } | |
| 114 unsigned int Length() const { return ::SysStringLen(m_str); } | |
| 115 operator BSTR() const { return m_str; } | |
| 116 BSTR* operator&() { return &m_str; } | |
| 117 BSTR MyCopy() const | |
| 118 { | |
| 119 int byteLen = ::SysStringByteLen(m_str); | |
| 120 BSTR res = ::SysAllocStringByteLen(NULL, byteLen); | |
| 121 memmove(res, m_str, byteLen); | |
| 122 return res; | |
| 123 } | |
| 124 void Attach(BSTR src) { m_str = src; } | |
| 125 BSTR Detach() | |
| 126 { | |
| 127 BSTR s = m_str; | |
| 128 m_str = NULL; | |
| 129 return s; | |
| 130 } | |
| 131 void Empty() | |
| 132 { | |
| 133 ::SysFreeString(m_str); | |
| 134 m_str = NULL; | |
| 135 } | |
| 136 bool operator!() const { return (m_str == NULL); } | |
| 137 }; | |
| 138 | |
| 139 | |
| 140 ////////////////////////////////////////////////////////// | |
| 141 | |
| 142 class CMyUnknownImp | |
| 143 { | |
| 144 public: | |
| 145 ULONG __m_RefCount; | |
| 146 CMyUnknownImp(): __m_RefCount(0) {} | |
| 147 }; | |
| 148 | |
| 149 #define MY_QUERYINTERFACE_BEGIN STDMETHOD(QueryInterface) \ | |
| 150 (REFGUID iid, void **outObject) { | |
| 151 | |
| 152 #define MY_QUERYINTERFACE_ENTRY(i) if (iid == IID_ ## i) \ | |
| 153 { *outObject = (void *)(i *)this; AddRef(); return S_OK; } | |
| 154 | |
| 155 #define MY_QUERYINTERFACE_END return E_NOINTERFACE; } | |
| 156 | |
| 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; } | |
| 161 | |
| 162 #define MY_UNKNOWN_IMP_SPEC(i) \ | |
| 163 MY_QUERYINTERFACE_BEGIN \ | |
| 164 i \ | |
| 165 MY_QUERYINTERFACE_END \ | |
| 166 MY_ADDREF_RELEASE | |
| 167 | |
| 168 | |
| 169 #define MY_UNKNOWN_IMP STDMETHOD(QueryInterface)(REFGUID, void **) { \ | |
| 170 MY_QUERYINTERFACE_END \ | |
| 171 MY_ADDREF_RELEASE | |
| 172 | |
| 173 #define MY_UNKNOWN_IMP1(i) MY_UNKNOWN_IMP_SPEC( \ | |
| 174 MY_QUERYINTERFACE_ENTRY(i) \ | |
| 175 ) | |
| 176 | |
| 177 #define MY_UNKNOWN_IMP2(i1, i2) MY_UNKNOWN_IMP_SPEC( \ | |
| 178 MY_QUERYINTERFACE_ENTRY(i1) \ | |
| 179 MY_QUERYINTERFACE_ENTRY(i2) \ | |
| 180 ) | |
| 181 | |
| 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) \ | |
| 186 ) | |
| 187 | |
| 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) \ | |
| 193 ) | |
| 194 | |
| 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) \ | |
| 201 ) | |
| 202 | |
| 203 #endif |
