1 // MyCom.h |
|
2 |
|
3 #ifndef __MYCOM_H |
|
4 #define __MYCOM_H |
|
5 |
|
6 #include "MyWindows.h" |
|
7 |
|
8 #ifndef RINOK |
|
9 #define RINOK(x) { HRESULT __result_ = (x); if(__result_ != S_OK) return __result_; } |
|
10 #endif |
|
11 |
|
12 template <class T> |
|
13 class CMyComPtr |
|
14 { |
|
15 T* _p; |
|
16 public: |
|
17 // typedef T _PtrClass; |
|
18 CMyComPtr() { _p = NULL;} |
|
19 CMyComPtr(T* p) {if ((_p = p) != NULL) p->AddRef(); } |
|
20 CMyComPtr(const CMyComPtr<T>& lp) |
|
21 { |
|
22 if ((_p = lp._p) != NULL) |
|
23 _p->AddRef(); |
|
24 } |
|
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; } |
|
31 T* operator=(T* p) |
|
32 { |
|
33 if (p != 0) |
|
34 p->AddRef(); |
|
35 if (_p) |
|
36 _p->Release(); |
|
37 _p = p; |
|
38 return p; |
|
39 } |
|
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 |
|
44 void Attach(T* p2) |
|
45 { |
|
46 Release(); |
|
47 _p = p2; |
|
48 } |
|
49 T* Detach() |
|
50 { |
|
51 T* pt = _p; |
|
52 _p = NULL; |
|
53 return pt; |
|
54 } |
|
55 #ifdef _WIN32 |
|
56 HRESULT CoCreateInstance(REFCLSID rclsid, REFIID iid, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL) |
|
57 { |
|
58 return ::CoCreateInstance(rclsid, pUnkOuter, dwClsContext, iid, (void**)&_p); |
|
59 } |
|
60 #endif |
|
61 /* |
|
62 HRESULT CoCreateInstance(LPCOLESTR szProgID, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL) |
|
63 { |
|
64 CLSID clsid; |
|
65 HRESULT hr = CLSIDFromProgID(szProgID, &clsid); |
|
66 ATLASSERT(_p == NULL); |
|
67 if (SUCCEEDED(hr)) |
|
68 hr = ::CoCreateInstance(clsid, pUnkOuter, dwClsContext, __uuidof(T), (void**)&_p); |
|
69 return hr; |
|
70 } |
|
71 */ |
|
72 template <class Q> |
|
73 HRESULT QueryInterface(REFGUID iid, Q** pp) const |
|
74 { |
|
75 return _p->QueryInterface(iid, (void**)pp); |
|
76 } |
|
77 }; |
|
78 |
|
79 ////////////////////////////////////////////////////////// |
|
80 |
|
81 class CMyComBSTR |
|
82 { |
|
83 public: |
|
84 BSTR m_str; |
|
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(); } |
|
90 /* |
|
91 CMyComBSTR(REFGUID src) |
|
92 { |
|
93 LPOLESTR szGuid; |
|
94 StringFromCLSID(src, &szGuid); |
|
95 m_str = ::SysAllocString(szGuid); |
|
96 CoTaskMemFree(szGuid); |
|
97 } |
|
98 */ |
|
99 ~CMyComBSTR() { ::SysFreeString(m_str); } |
|
100 CMyComBSTR& operator=(const CMyComBSTR& src) |
|
101 { |
|
102 if (m_str != src.m_str) |
|
103 { |
|
104 if (m_str) |
|
105 ::SysFreeString(m_str); |
|
106 m_str = src.MyCopy(); |
|
107 } |
|
108 return *this; |
|
109 } |
|
110 CMyComBSTR& operator=(LPCOLESTR pSrc) |
|
111 { |
|
112 ::SysFreeString(m_str); |
|
113 m_str = ::SysAllocString(pSrc); |
|
114 return *this; |
|
115 } |
|
116 unsigned int Length() const { return ::SysStringLen(m_str); } |
|
117 operator BSTR() const { return m_str; } |
|
118 BSTR* operator&() { return &m_str; } |
|
119 BSTR MyCopy() const |
|
120 { |
|
121 int byteLen = ::SysStringByteLen(m_str); |
|
122 BSTR res = ::SysAllocStringByteLen(NULL, byteLen); |
|
123 memmove(res, m_str, byteLen); |
|
124 return res; |
|
125 } |
|
126 void Attach(BSTR src) { m_str = src; } |
|
127 BSTR Detach() |
|
128 { |
|
129 BSTR s = m_str; |
|
130 m_str = NULL; |
|
131 return s; |
|
132 } |
|
133 void Empty() |
|
134 { |
|
135 ::SysFreeString(m_str); |
|
136 m_str = NULL; |
|
137 } |
|
138 bool operator!() const { return (m_str == NULL); } |
|
139 }; |
|
140 |
|
141 |
|
142 ////////////////////////////////////////////////////////// |
|
143 |
|
144 class CMyUnknownImp |
|
145 { |
|
146 public: |
|
147 ULONG __m_RefCount; |
|
148 CMyUnknownImp(): __m_RefCount(0) {} |
|
149 }; |
|
150 |
|
151 #define MY_QUERYINTERFACE_BEGIN STDMETHOD(QueryInterface) \ |
|
152 (REFGUID iid, void **outObject) { |
|
153 |
|
154 #define MY_QUERYINTERFACE_ENTRY(i) if (iid == IID_ ## i) \ |
|
155 { *outObject = (void *)(i *)this; AddRef(); return S_OK; } |
|
156 |
|
157 #define MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) if (iid == IID_IUnknown) \ |
|
158 { *outObject = (void *)(IUnknown *)(i *)this; AddRef(); return S_OK; } |
|
159 |
|
160 #define MY_QUERYINTERFACE_BEGIN2(i) MY_QUERYINTERFACE_BEGIN \ |
|
161 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) \ |
|
162 MY_QUERYINTERFACE_ENTRY(i) |
|
163 |
|
164 #define MY_QUERYINTERFACE_END return E_NOINTERFACE; } |
|
165 |
|
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; } |
|
170 |
|
171 #define MY_UNKNOWN_IMP_SPEC(i) \ |
|
172 MY_QUERYINTERFACE_BEGIN \ |
|
173 i \ |
|
174 MY_QUERYINTERFACE_END \ |
|
175 MY_ADDREF_RELEASE |
|
176 |
|
177 |
|
178 #define MY_UNKNOWN_IMP MY_QUERYINTERFACE_BEGIN \ |
|
179 MY_QUERYINTERFACE_ENTRY_UNKNOWN(IUnknown) \ |
|
180 MY_QUERYINTERFACE_END \ |
|
181 MY_ADDREF_RELEASE |
|
182 |
|
183 #define MY_UNKNOWN_IMP1(i) MY_UNKNOWN_IMP_SPEC( \ |
|
184 MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) \ |
|
185 MY_QUERYINTERFACE_ENTRY(i) \ |
|
186 ) |
|
187 |
|
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) \ |
|
192 ) |
|
193 |
|
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) \ |
|
199 ) |
|
200 |
|
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) \ |
|
207 ) |
|
208 |
|
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) \ |
|
216 ) |
|
217 |
|
218 #endif |
|