source: Daodan/MSYS2/mingw32/i686-w64-mingw32/include/comip.h@ 1181

Last change on this file since 1181 was 1166, checked in by rossy, 3 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env
File size: 15.9 KB
Line 
1/**
2 * This file has no copyright assigned and is placed in the Public Domain.
3 * This file is part of the mingw-w64 runtime package.
4 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
5 */
6#ifndef _INC_COMIP
7#define _INC_COMIP
8
9#include <_mingw.h>
10
11#include <ole2.h>
12#include <malloc.h>
13
14#include <comutil.h>
15
16#ifdef __cplusplus
17
18#pragma push_macro("new")
19#undef new
20
21#include <new.h>
22
23class _com_error;
24
25#ifndef WINAPI
26#if defined(_ARM_)
27#define WINAPI
28#else
29#define WINAPI __stdcall
30#endif
31#endif
32
33void WINAPI _com_issue_error(HRESULT);
34struct IUnknown;
35
36template<typename _Interface,const IID *_IID >
37class _com_IIID {
38public:
39 typedef _Interface Interface;
40 static _Interface *GetInterfacePtr() throw() { return NULL; }
41 static _Interface& GetInterface() throw() { return *GetInterfacePtr(); }
42 static const IID& GetIID() throw() { return *_IID; }
43};
44
45/* This is needed for _COM_SMARTPTR_TYPEDEF using emulated __uuidof. Since we can't pass
46 * IID as a template argument, it's passed as a wrapper function. */
47template<typename _Interface,const IID &(*iid_getter)() >
48class _com_IIID_getter {
49public:
50 typedef _Interface Interface;
51 static _Interface *GetInterfacePtr() throw() { return NULL; }
52 static _Interface& GetInterface() throw() { return *GetInterfacePtr(); }
53 static const IID& GetIID() throw() { return iid_getter(); }
54};
55
56template<typename _IIID> class _com_ptr_t {
57public:
58 typedef _IIID ThisIIID;
59 typedef typename _IIID::Interface Interface;
60 static const IID& GetIID() throw() { return ThisIIID::GetIID(); }
61 template<typename _OtherIID> _com_ptr_t(const _com_ptr_t<_OtherIID> &p) : m_pInterface(NULL) {
62 HRESULT hr = _QueryInterface(p);
63 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
64 }
65 template<typename _InterfaceType> _com_ptr_t(_InterfaceType *p) : m_pInterface(NULL) {
66 HRESULT hr = _QueryInterface(p);
67 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
68 }
69 _com_ptr_t(LPSTR str) { new(this) _com_ptr_t(static_cast<LPCSTR> (str),NULL); }
70 _com_ptr_t(LPWSTR str) { new(this) _com_ptr_t(static_cast<LPCWSTR> (str),NULL); }
71 explicit _com_ptr_t(_com_ptr_t *p) : m_pInterface(NULL) {
72 if(!p) { _com_issue_error(E_POINTER); }
73 else {
74 m_pInterface = p->m_pInterface;
75 AddRef();
76 }
77 }
78 _com_ptr_t() throw() : m_pInterface(NULL) { }
79 _com_ptr_t(int null) : m_pInterface(NULL) {
80 if(null!=0) { _com_issue_error(E_POINTER); }
81 }
82
83#ifdef _NATIVE_NULLPTR_SUPPORTED
84 _com_ptr_t(decltype(nullptr)) : m_pInterface(NULL) {}
85#endif
86
87 _com_ptr_t(const _com_ptr_t &cp) throw() : m_pInterface(cp.m_pInterface) { _AddRef(); }
88 _com_ptr_t(Interface *pInterface) throw() : m_pInterface(pInterface) { _AddRef(); }
89 _com_ptr_t(Interface *pInterface,bool fAddRef) throw() : m_pInterface(pInterface) {
90 if(fAddRef) _AddRef();
91 }
92 _com_ptr_t(const _variant_t& varSrc) : m_pInterface(NULL) {
93 HRESULT hr = QueryStdInterfaces(varSrc);
94 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
95 }
96 explicit _com_ptr_t(const CLSID &clsid,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) {
97 HRESULT hr = CreateInstance(clsid,pOuter,dwClsContext);
98 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
99 }
100 explicit _com_ptr_t(LPCWSTR str,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) {
101 HRESULT hr = CreateInstance(str,pOuter,dwClsContext);
102 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
103 }
104 explicit _com_ptr_t(LPCSTR str,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) {
105 HRESULT hr = CreateInstance(str,pOuter,dwClsContext);
106 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
107 }
108 template<typename _OtherIID> _com_ptr_t &operator=(const _com_ptr_t<_OtherIID> &p) {
109 HRESULT hr = _QueryInterface(p);
110 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
111 return *this;
112 }
113 template<typename _InterfaceType> _com_ptr_t &operator=(_InterfaceType *p) {
114 HRESULT hr = _QueryInterface(p);
115 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
116 return *this;
117 }
118 _com_ptr_t &operator=(Interface *pInterface) throw() {
119 if(m_pInterface!=pInterface) {
120 Interface *pOldInterface = m_pInterface;
121 m_pInterface = pInterface;
122 _AddRef();
123 if(pOldInterface!=NULL) pOldInterface->Release();
124 }
125 return *this;
126 }
127 _com_ptr_t &operator=(const _com_ptr_t &cp) throw() { return operator=(cp.m_pInterface); }
128 _com_ptr_t &operator=(int null) {
129 if(null!=0) { _com_issue_error(E_POINTER); }
130 return operator=(reinterpret_cast<Interface*>(NULL));
131 }
132 _com_ptr_t &operator=(long long null) {
133 if(null!=0) { _com_issue_error(E_POINTER); }
134 return operator=(reinterpret_cast<Interface*>(NULL));
135 }
136 _com_ptr_t &operator=(const _variant_t& varSrc) {
137 HRESULT hr = QueryStdInterfaces(varSrc);
138 if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
139 return *this;
140 }
141 ~_com_ptr_t() throw() { _Release(); }
142 void Attach(Interface *pInterface) throw() {
143 _Release();
144 m_pInterface = pInterface;
145 }
146 void Attach(Interface *pInterface,bool fAddRef) throw() {
147 _Release();
148 m_pInterface = pInterface;
149 if(fAddRef) {
150 if(!pInterface) { _com_issue_error(E_POINTER); }
151 else pInterface->AddRef();
152 }
153 }
154 Interface *Detach() throw() {
155 Interface *const old = m_pInterface;
156 m_pInterface = NULL;
157 return old;
158 }
159 operator Interface*() const throw() { return m_pInterface; }
160 operator Interface&() const {
161 if(!m_pInterface) { _com_issue_error(E_POINTER); }
162 return *m_pInterface;
163 }
164 Interface& operator*() const {
165 if(!m_pInterface) { _com_issue_error(E_POINTER); }
166 return *m_pInterface;
167 }
168 Interface **operator&() throw() {
169 _Release();
170 m_pInterface = NULL;
171 return &m_pInterface;
172 }
173 Interface *operator->() const {
174 if(!m_pInterface) { _com_issue_error(E_POINTER); }
175 return m_pInterface;
176 }
177 operator bool() const throw() { return m_pInterface!=NULL; }
178 template<typename _OtherIID> bool operator==(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)==0; }
179 template<typename _OtherIID> bool operator==(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)==0; }
180 template<typename _InterfaceType> bool operator==(_InterfaceType *p) { return _CompareUnknown(p)==0; }
181 bool operator==(Interface *p) { return (m_pInterface==p) ? true : _CompareUnknown(p)==0; }
182 bool operator==(const _com_ptr_t &p) throw() { return operator==(p.m_pInterface); }
183 bool operator==(_com_ptr_t &p) throw() { return operator==(p.m_pInterface); }
184 bool operator==(int null) {
185 if(null!=0) { _com_issue_error(E_POINTER); }
186 return !m_pInterface;
187 }
188 bool operator==(long long null) {
189 if(null) { _com_issue_error(E_POINTER); }
190 return !m_pInterface;
191 }
192 template<typename _OtherIID> bool operator!=(const _com_ptr_t<_OtherIID> &p) { return !(operator==(p)); }
193 template<typename _OtherIID> bool operator!=(_com_ptr_t<_OtherIID> &p) { return !(operator==(p)); }
194 template<typename _InterfaceType> bool operator!=(_InterfaceType *p) { return !(operator==(p)); }
195 bool operator!=(int null) { return !(operator==(null)); }
196 bool operator!=(long long null) { return !(operator==(null)); }
197 template<typename _OtherIID> bool operator<(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<0; }
198 template<typename _OtherIID> bool operator<(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<0; }
199 template<typename _InterfaceType> bool operator<(_InterfaceType *p) { return _CompareUnknown(p)<0; }
200 template<typename _OtherIID> bool operator>(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>0; }
201 template<typename _OtherIID> bool operator>(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>0; }
202 template<typename _InterfaceType> bool operator>(_InterfaceType *p) { return _CompareUnknown(p)>0; }
203 template<typename _OtherIID> bool operator<=(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<=0; }
204 template<typename _OtherIID> bool operator<=(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<=0; }
205 template<typename _InterfaceType> bool operator<=(_InterfaceType *p) { return _CompareUnknown(p)<=0; }
206 template<typename _OtherIID> bool operator>=(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>=0; }
207 template<typename _OtherIID> bool operator>=(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>=0; }
208 template<typename _InterfaceType> bool operator>=(_InterfaceType *p) { return _CompareUnknown(p)>=0; }
209 void Release() {
210 if(!m_pInterface) { _com_issue_error(E_POINTER); }
211 else {
212 m_pInterface->Release();
213 m_pInterface = NULL;
214 }
215 }
216 void AddRef() {
217 if(!m_pInterface) { _com_issue_error(E_POINTER); }
218 else m_pInterface->AddRef();
219 }
220 Interface *GetInterfacePtr() const throw() { return m_pInterface; }
221 Interface*& GetInterfacePtr() throw() { return m_pInterface; }
222 HRESULT CreateInstance(const CLSID &rclsid,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() {
223 HRESULT hr;
224 _Release();
225 if(dwClsContext & (CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER)) {
226 IUnknown *pIUnknown;
227 hr = CoCreateInstance(rclsid,pOuter,dwClsContext,__uuidof(IUnknown),reinterpret_cast<void**>(&pIUnknown));
228 if(SUCCEEDED(hr)) {
229 hr = OleRun(pIUnknown);
230 if(SUCCEEDED(hr)) hr = pIUnknown->QueryInterface(GetIID(),reinterpret_cast<void**>(&m_pInterface));
231 pIUnknown->Release();
232 }
233 } else hr = CoCreateInstance(rclsid,pOuter,dwClsContext,GetIID(),reinterpret_cast<void**>(&m_pInterface));
234 if(FAILED(hr)) m_pInterface = NULL;
235 return hr;
236 }
237 HRESULT CreateInstance(LPCWSTR clsidString,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() {
238 if(!clsidString) return E_INVALIDARG;
239 CLSID clsid;
240 HRESULT hr;
241 if(clsidString[0]==L'{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid);
242 else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid);
243 if(FAILED(hr)) return hr;
244 return CreateInstance(clsid,pOuter,dwClsContext);
245 }
246 HRESULT CreateInstance(LPCSTR clsidStringA,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() {
247 if(!clsidStringA) return E_INVALIDARG;
248 int size = lstrlenA(clsidStringA) + 1;
249 int destSize = MultiByteToWideChar(CP_ACP,0,clsidStringA,size,NULL,0);
250 if(destSize==0) return HRESULT_FROM_WIN32(GetLastError());
251 LPWSTR clsidStringW;
252 clsidStringW = static_cast<LPWSTR>(_malloca(destSize*sizeof(WCHAR)));
253 if(!clsidStringW) return E_OUTOFMEMORY;
254 if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) {
255 _freea(clsidStringW);
256 return HRESULT_FROM_WIN32(GetLastError());
257 }
258 HRESULT hr=CreateInstance(clsidStringW,pOuter,dwClsContext);
259 _freea(clsidStringW);
260 return hr;
261 }
262 HRESULT GetActiveObject(const CLSID &rclsid) throw() {
263 _Release();
264 IUnknown *pIUnknown;
265 HRESULT hr = ::GetActiveObject(rclsid,NULL,&pIUnknown);
266 if(SUCCEEDED(hr)) {
267 hr = pIUnknown->QueryInterface(GetIID(),reinterpret_cast<void**>(&m_pInterface));
268 pIUnknown->Release();
269 }
270 if(FAILED(hr)) m_pInterface = NULL;
271 return hr;
272 }
273 HRESULT GetActiveObject(LPCWSTR clsidString) throw() {
274 if(!clsidString) return E_INVALIDARG;
275 CLSID clsid;
276 HRESULT hr;
277 if(clsidString[0]=='{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid);
278 else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid);
279 if(FAILED(hr)) return hr;
280 return GetActiveObject(clsid);
281 }
282 HRESULT GetActiveObject(LPCSTR clsidStringA) throw() {
283 if(!clsidStringA) return E_INVALIDARG;
284 int size = lstrlenA(clsidStringA) + 1;
285 int destSize = MultiByteToWideChar(CP_ACP,0,clsidStringA,size,NULL,0);
286 LPWSTR clsidStringW;
287 try {
288 clsidStringW = static_cast<LPWSTR>(_alloca(destSize*sizeof(WCHAR)));
289 } catch (...) {
290 clsidStringW = NULL;
291 }
292 if(!clsidStringW) return E_OUTOFMEMORY;
293 if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) return HRESULT_FROM_WIN32(GetLastError());
294 return GetActiveObject(clsidStringW);
295 }
296 template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType*& p) throw () {
297 if(m_pInterface!=NULL) return m_pInterface->QueryInterface(iid,reinterpret_cast<void**>(&p));
298 return E_POINTER;
299 }
300 template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType **p) throw() { return QueryInterface(iid,*p); }
301private:
302 Interface *m_pInterface;
303 void _Release() throw() {
304 if(m_pInterface!=NULL) m_pInterface->Release();
305 }
306 void _AddRef() throw() {
307 if(m_pInterface!=NULL) m_pInterface->AddRef();
308 }
309 template<typename _InterfacePtr> HRESULT _QueryInterface(_InterfacePtr p) throw() {
310 HRESULT hr;
311 if(p!=NULL) {
312 Interface *pInterface;
313 hr = p->QueryInterface(GetIID(),reinterpret_cast<void**>(&pInterface));
314 Attach(SUCCEEDED(hr)? pInterface: NULL);
315 } else {
316 operator=(static_cast<Interface*>(NULL));
317 hr = E_NOINTERFACE;
318 }
319 return hr;
320 }
321 template<typename _InterfacePtr> int _CompareUnknown(_InterfacePtr p) {
322 IUnknown *pu1,*pu2;
323 if(m_pInterface!=NULL) {
324 HRESULT hr = m_pInterface->QueryInterface(__uuidof(IUnknown),reinterpret_cast<void**>(&pu1));
325 if(FAILED(hr)) {
326 _com_issue_error(hr);
327 pu1 = NULL;
328 } else pu1->Release();
329 } else pu1 = NULL;
330 if(p!=NULL) {
331 HRESULT hr = p->QueryInterface(__uuidof(IUnknown),reinterpret_cast<void**>(&pu2));
332 if(FAILED(hr)) {
333 _com_issue_error(hr);
334 pu2 = NULL;
335 } else pu2->Release();
336 } else pu2 = NULL;
337 return pu1 - pu2;
338 }
339 HRESULT QueryStdInterfaces(const _variant_t& varSrc) throw() {
340 if(V_VT(&varSrc)==VT_DISPATCH) return _QueryInterface(V_DISPATCH(&varSrc));
341 if(V_VT(&varSrc)==VT_UNKNOWN) return _QueryInterface(V_UNKNOWN(&varSrc));
342 VARIANT varDest;
343 VariantInit(&varDest);
344 HRESULT hr = VariantChangeType(&varDest,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc)),0,VT_DISPATCH);
345 if(SUCCEEDED(hr)) hr = _QueryInterface(V_DISPATCH(&varSrc));
346 if(hr==E_NOINTERFACE) {
347 VariantInit(&varDest);
348 hr = VariantChangeType(&varDest,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc)),0,VT_UNKNOWN);
349 if(SUCCEEDED(hr)) hr = _QueryInterface(V_UNKNOWN(&varSrc));
350 }
351 VariantClear(&varDest);
352 return hr;
353 }
354};
355
356template<typename _InterfaceType> bool operator==(int null,_com_ptr_t<_InterfaceType> &p) {
357 if(null!=0) { _com_issue_error(E_POINTER); }
358 return !p;
359}
360
361template<typename _Interface,typename _InterfacePtr> bool operator==(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p==i; }
362
363template<typename _Interface> bool operator!=(int null,_com_ptr_t<_Interface> &p) {
364 if(null!=0) { _com_issue_error(E_POINTER); }
365 return p!=NULL;
366}
367
368template<typename _Interface,typename _InterfacePtr> bool operator!=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p!=i; }
369
370template<typename _Interface> bool operator<(int null,_com_ptr_t<_Interface> &p) {
371 if(null!=0) { _com_issue_error(E_POINTER); }
372 return p>NULL;
373}
374
375template<typename _Interface,typename _InterfacePtr> bool operator<(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p>i; }
376
377template<typename _Interface> bool operator>(int null,_com_ptr_t<_Interface> &p) {
378 if(null!=0) { _com_issue_error(E_POINTER); }
379 return p<NULL;
380}
381
382template<typename _Interface,typename _InterfacePtr> bool operator>(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p<i; }
383
384template<typename _Interface> bool operator<=(int null,_com_ptr_t<_Interface> &p) {
385 if(null!=0) { _com_issue_error(E_POINTER); }
386 return p>=NULL;
387}
388
389template<typename _Interface,typename _InterfacePtr> bool operator<=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p>=i; }
390
391template<typename _Interface> bool operator>=(int null,_com_ptr_t<_Interface> &p) {
392 if(null!=0) { _com_issue_error(E_POINTER); }
393 return p<=NULL;
394}
395
396template<typename _Interface,typename _InterfacePtr> bool operator>=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p<=i; }
397
398#pragma pop_macro("new")
399
400#endif /* __cplusplus */
401
402#endif /* _INC_COMIP */
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