2 * Comcat implementation
4 * Copyright (C) 2002 John K. Hohm
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
34 #include "wine/unicode.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(ole);
41 const ICatRegisterVtbl *lpVtbl;
42 const ICatInformationVtbl *infVtbl;
45 struct class_categories {
50 static LPENUMCATEGORYINFO COMCAT_IEnumCATEGORYINFO_Construct(LCID lcid);
51 static LPENUMGUID COMCAT_CLSID_IEnumGUID_Construct(struct class_categories *class_categories);
52 static LPENUMGUID COMCAT_CATID_IEnumGUID_Construct(REFCLSID rclsid, LPCWSTR impl_req);
54 /**********************************************************************
55 * File-scope string constants
57 static const WCHAR comcat_keyname[] = {
58 'C','o','m','p','o','n','e','n','t',' ','C','a','t','e','g','o','r','i','e','s',0 };
59 static const WCHAR impl_keyname[] = {
60 'I','m','p','l','e','m','e','n','t','e','d',' ','C','a','t','e','g','o','r','i','e','s',0 };
61 static const WCHAR req_keyname[] = {
62 'R','e','q','u','i','r','e','d',' ','C','a','t','e','g','o','r','i','e','s',0 };
63 static const WCHAR clsid_keyname[] = { 'C','L','S','I','D',0 };
66 static inline ComCatMgrImpl *impl_from_ICatInformation( ICatInformation *iface )
68 return (ComCatMgrImpl *)((char*)iface - FIELD_OFFSET(ComCatMgrImpl, infVtbl));
72 /**********************************************************************
73 * COMCAT_RegisterClassCategories
75 static HRESULT COMCAT_RegisterClassCategories(
83 HKEY clsid_key, class_key, type_key;
85 if (cCategories && rgcatid == NULL) return E_POINTER;
87 /* Format the class key name. */
88 res = StringFromGUID2(rclsid, keyname, 39);
89 if (FAILED(res)) return res;
91 /* Create (or open) the CLSID key. */
92 res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
93 KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
94 if (res != ERROR_SUCCESS) return E_FAIL;
96 /* Create (or open) the class key. */
97 res = RegCreateKeyExW(clsid_key, keyname, 0, NULL, 0,
98 KEY_READ | KEY_WRITE, NULL, &class_key, NULL);
99 if (res == ERROR_SUCCESS) {
100 /* Create (or open) the category type key. */
101 res = RegCreateKeyExW(class_key, type, 0, NULL, 0,
102 KEY_READ | KEY_WRITE, NULL, &type_key, NULL);
103 if (res == ERROR_SUCCESS) {
104 for (; cCategories; --cCategories, ++rgcatid) {
107 /* Format the category key name. */
108 res = StringFromGUID2(rgcatid, keyname, 39);
109 if (FAILED(res)) continue;
111 /* Do the register. */
112 res = RegCreateKeyExW(type_key, keyname, 0, NULL, 0,
113 KEY_READ | KEY_WRITE, NULL, &key, NULL);
114 if (res == ERROR_SUCCESS) RegCloseKey(key);
118 RegCloseKey(class_key);
120 RegCloseKey(clsid_key);
125 /**********************************************************************
126 * COMCAT_UnRegisterClassCategories
128 static HRESULT COMCAT_UnRegisterClassCategories(
132 const CATID *rgcatid)
134 WCHAR keyname[68] = { 'C', 'L', 'S', 'I', 'D', '\\' };
138 if (cCategories && rgcatid == NULL) return E_POINTER;
140 /* Format the class category type key name. */
141 res = StringFromGUID2(rclsid, keyname + 6, 39);
142 if (FAILED(res)) return res;
144 lstrcpyW(keyname + 45, type);
146 /* Open the class category type key. */
147 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0,
148 KEY_READ | KEY_WRITE, &type_key);
149 if (res != ERROR_SUCCESS) return E_FAIL;
151 for (; cCategories; --cCategories, ++rgcatid) {
152 /* Format the category key name. */
153 res = StringFromGUID2(rgcatid, keyname, 39);
154 if (FAILED(res)) continue;
156 /* Do the unregister. */
157 RegDeleteKeyW(type_key, keyname);
159 RegCloseKey(type_key);
164 /**********************************************************************
165 * COMCAT_GetCategoryDesc
167 static HRESULT COMCAT_GetCategoryDesc(HKEY key, LCID lcid, PWCHAR pszDesc,
170 static const WCHAR fmt[] = { '%', 'l', 'X', 0 };
173 DWORD type, size = (buf_wchars - 1) * sizeof(WCHAR);
175 if (pszDesc == NULL) return E_INVALIDARG;
177 /* FIXME: lcid comparisons are more complex than this! */
178 wsprintfW(valname, fmt, lcid);
179 res = RegQueryValueExW(key, valname, 0, &type, (LPBYTE)pszDesc, &size);
180 if (res != ERROR_SUCCESS || type != REG_SZ) {
181 FIXME("Simplified lcid comparison\n");
182 return CAT_E_NODESCRIPTION;
184 pszDesc[size / sizeof(WCHAR)] = 0;
189 /**********************************************************************
190 * COMCAT_PrepareClassCategories
192 static struct class_categories *COMCAT_PrepareClassCategories(
193 ULONG impl_count, const CATID *impl_catids, ULONG req_count, const CATID *req_catids)
195 struct class_categories *categories;
198 categories = HeapAlloc(
199 GetProcessHeap(), HEAP_ZERO_MEMORY,
200 sizeof(struct class_categories) +
201 ((impl_count + req_count) * 39 + 2) * sizeof(WCHAR));
202 if (categories == NULL) return categories;
204 strings = (WCHAR *)(categories + 1);
205 categories->impl_strings = strings;
206 while (impl_count--) {
207 StringFromGUID2(impl_catids++, strings, 39);
212 categories->req_strings = strings;
213 while (req_count--) {
214 StringFromGUID2(req_catids++, strings, 39);
222 /**********************************************************************
223 * COMCAT_IsClassOfCategories
225 static HRESULT COMCAT_IsClassOfCategories(
227 struct class_categories const* categories)
229 static const WCHAR impl_keyname[] = { 'I', 'm', 'p', 'l', 'e', 'm', 'e', 'n',
230 't', 'e', 'd', ' ', 'C', 'a', 't', 'e',
231 'g', 'o', 'r', 'i', 'e', 's', 0 };
232 static const WCHAR req_keyname[] = { 'R', 'e', 'q', 'u', 'i', 'r', 'e', 'd',
233 ' ', 'C', 'a', 't', 'e', 'g', 'o', 'r',
240 /* Check that every given category is implemented by class. */
241 res = RegOpenKeyExW(key, impl_keyname, 0, KEY_READ, &subkey);
242 if (res != ERROR_SUCCESS) return S_FALSE;
243 for (string = categories->impl_strings; *string; string += 39) {
245 res = RegOpenKeyExW(subkey, string, 0, 0, &catkey);
246 if (res != ERROR_SUCCESS) {
254 /* Check that all categories required by class are given. */
255 res = RegOpenKeyExW(key, req_keyname, 0, KEY_READ, &subkey);
256 if (res == ERROR_SUCCESS) {
257 for (index = 0; ; ++index) {
261 res = RegEnumKeyExW(subkey, index, keyname, &size,
262 NULL, NULL, NULL, NULL);
263 if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) break;
264 if (size != 38) continue; /* bogus catid in registry */
265 for (string = categories->req_strings; *string; string += 39)
266 if (!strcmpiW(string, keyname)) break;
278 /**********************************************************************
279 * COMCAT_ICatRegister_QueryInterface
281 static HRESULT WINAPI COMCAT_ICatRegister_QueryInterface(
286 ComCatMgrImpl *This = (ComCatMgrImpl *)iface;
287 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
289 if (ppvObj == NULL) return E_POINTER;
291 if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_ICatRegister)) {
293 IUnknown_AddRef(iface);
297 if (IsEqualGUID(riid, &IID_ICatInformation)) {
298 *ppvObj = &This->infVtbl;
299 IUnknown_AddRef(iface);
303 return E_NOINTERFACE;
306 /**********************************************************************
307 * COMCAT_ICatRegister_AddRef
309 static ULONG WINAPI COMCAT_ICatRegister_AddRef(LPCATREGISTER iface)
311 return 2; /* non-heap based object */
314 /**********************************************************************
315 * COMCAT_ICatRegister_Release
317 static ULONG WINAPI COMCAT_ICatRegister_Release(LPCATREGISTER iface)
319 return 1; /* non-heap based object */
322 /**********************************************************************
323 * COMCAT_ICatRegister_RegisterCategories
325 static HRESULT WINAPI COMCAT_ICatRegister_RegisterCategories(
335 if (cCategories && rgci == NULL)
338 /* Create (or open) the component categories key. */
339 res = RegCreateKeyExW(HKEY_CLASSES_ROOT, comcat_keyname, 0, NULL, 0,
340 KEY_READ | KEY_WRITE, NULL, &comcat_key, NULL);
341 if (res != ERROR_SUCCESS) return E_FAIL;
343 for (; cCategories; --cCategories, ++rgci) {
344 static const WCHAR fmt[] = { '%', 'l', 'X', 0 };
349 /* Create (or open) the key for this category. */
350 if (!StringFromGUID2(&rgci->catid, keyname, 39)) continue;
351 res = RegCreateKeyExW(comcat_key, keyname, 0, NULL, 0,
352 KEY_READ | KEY_WRITE, NULL, &cat_key, NULL);
353 if (res != ERROR_SUCCESS) continue;
355 /* Set the value for this locale's description. */
356 wsprintfW(valname, fmt, rgci->lcid);
357 RegSetValueExW(cat_key, valname, 0, REG_SZ,
358 (CONST BYTE*)(rgci->szDescription),
359 (lstrlenW(rgci->szDescription) + 1) * sizeof(WCHAR));
361 RegCloseKey(cat_key);
364 RegCloseKey(comcat_key);
368 /**********************************************************************
369 * COMCAT_ICatRegister_UnRegisterCategories
371 static HRESULT WINAPI COMCAT_ICatRegister_UnRegisterCategories(
381 if (cCategories && rgcatid == NULL)
384 /* Open the component categories key. */
385 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, comcat_keyname, 0,
386 KEY_READ | KEY_WRITE, &comcat_key);
387 if (res != ERROR_SUCCESS) return E_FAIL;
389 for (; cCategories; --cCategories, ++rgcatid) {
392 /* Delete the key for this category. */
393 if (!StringFromGUID2(rgcatid, keyname, 39)) continue;
394 RegDeleteKeyW(comcat_key, keyname);
397 RegCloseKey(comcat_key);
401 /**********************************************************************
402 * COMCAT_ICatRegister_RegisterClassImplCategories
404 static HRESULT WINAPI COMCAT_ICatRegister_RegisterClassImplCategories(
412 return COMCAT_RegisterClassCategories(
413 rclsid, impl_keyname, cCategories, rgcatid);
416 /**********************************************************************
417 * COMCAT_ICatRegister_UnRegisterClassImplCategories
419 static HRESULT WINAPI COMCAT_ICatRegister_UnRegisterClassImplCategories(
427 return COMCAT_UnRegisterClassCategories(
428 rclsid, impl_keyname, cCategories, rgcatid);
431 /**********************************************************************
432 * COMCAT_ICatRegister_RegisterClassReqCategories
434 static HRESULT WINAPI COMCAT_ICatRegister_RegisterClassReqCategories(
442 return COMCAT_RegisterClassCategories(
443 rclsid, req_keyname, cCategories, rgcatid);
446 /**********************************************************************
447 * COMCAT_ICatRegister_UnRegisterClassReqCategories
449 static HRESULT WINAPI COMCAT_ICatRegister_UnRegisterClassReqCategories(
457 return COMCAT_UnRegisterClassCategories(
458 rclsid, req_keyname, cCategories, rgcatid);
461 /**********************************************************************
462 * COMCAT_ICatInformation_QueryInterface
464 static HRESULT WINAPI COMCAT_ICatInformation_QueryInterface(
465 LPCATINFORMATION iface,
469 ComCatMgrImpl *This = impl_from_ICatInformation( iface );
470 return IUnknown_QueryInterface((LPUNKNOWN)This, riid, ppvObj);
473 /**********************************************************************
474 * COMCAT_ICatInformation_AddRef
476 static ULONG WINAPI COMCAT_ICatInformation_AddRef(LPCATINFORMATION iface)
478 ComCatMgrImpl *This = impl_from_ICatInformation( iface );
479 return IUnknown_AddRef((LPUNKNOWN)This);
482 /**********************************************************************
483 * COMCAT_ICatInformation_Release
485 static ULONG WINAPI COMCAT_ICatInformation_Release(LPCATINFORMATION iface)
487 ComCatMgrImpl *This = impl_from_ICatInformation( iface );
488 return IUnknown_Release((LPUNKNOWN)This);
491 /**********************************************************************
492 * COMCAT_ICatInformation_EnumCategories
494 static HRESULT WINAPI COMCAT_ICatInformation_EnumCategories(
495 LPCATINFORMATION iface,
497 LPENUMCATEGORYINFO *ppenumCatInfo)
501 if (ppenumCatInfo == NULL) return E_POINTER;
503 *ppenumCatInfo = COMCAT_IEnumCATEGORYINFO_Construct(lcid);
504 if (*ppenumCatInfo == NULL) return E_OUTOFMEMORY;
505 IEnumCATEGORYINFO_AddRef(*ppenumCatInfo);
509 /**********************************************************************
510 * COMCAT_ICatInformation_GetCategoryDesc
512 static HRESULT WINAPI COMCAT_ICatInformation_GetCategoryDesc(
513 LPCATINFORMATION iface,
518 WCHAR keyname[60] = { 'C', 'o', 'm', 'p', 'o', 'n', 'e', 'n',
519 't', ' ', 'C', 'a', 't', 'e', 'g', 'o',
520 'r', 'i', 'e', 's', '\\', 0 };
524 TRACE("\n\tCATID:\t%s\n\tLCID:\t%X\n",debugstr_guid(rcatid), lcid);
526 if (rcatid == NULL || ppszDesc == NULL) return E_INVALIDARG;
528 /* Open the key for this category. */
529 if (!StringFromGUID2(rcatid, keyname + 21, 39)) return E_FAIL;
530 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &key);
531 if (res != ERROR_SUCCESS) return CAT_E_CATIDNOEXIST;
533 /* Allocate a sensible amount of memory for the description. */
534 *ppszDesc = CoTaskMemAlloc(128 * sizeof(WCHAR));
535 if (*ppszDesc == NULL) {
537 return E_OUTOFMEMORY;
540 /* Get the description, and make sure it's null terminated. */
541 res = COMCAT_GetCategoryDesc(key, lcid, *ppszDesc, 128);
544 CoTaskMemFree(*ppszDesc);
551 /**********************************************************************
552 * COMCAT_ICatInformation_EnumClassesOfCategories
554 static HRESULT WINAPI COMCAT_ICatInformation_EnumClassesOfCategories(
555 LPCATINFORMATION iface,
560 LPENUMCLSID *ppenumCLSID)
562 struct class_categories *categories;
566 if (cImplemented == (ULONG)-1)
568 if (cRequired == (ULONG)-1)
571 if (ppenumCLSID == NULL ||
572 (cImplemented && rgcatidImpl == NULL) ||
573 (cRequired && rgcatidReq == NULL)) return E_POINTER;
575 categories = COMCAT_PrepareClassCategories(cImplemented, rgcatidImpl,
576 cRequired, rgcatidReq);
577 if (categories == NULL) return E_OUTOFMEMORY;
578 *ppenumCLSID = COMCAT_CLSID_IEnumGUID_Construct(categories);
579 if (*ppenumCLSID == NULL) {
580 HeapFree(GetProcessHeap(), 0, categories);
581 return E_OUTOFMEMORY;
583 IEnumGUID_AddRef(*ppenumCLSID);
587 /**********************************************************************
588 * COMCAT_ICatInformation_IsClassOfCategories
590 static HRESULT WINAPI COMCAT_ICatInformation_IsClassOfCategories(
591 LPCATINFORMATION iface,
598 WCHAR keyname[45] = { 'C', 'L', 'S', 'I', 'D', '\\', 0 };
600 struct class_categories *categories;
603 if (WINE_TRACE_ON(ole)) {
605 TRACE("\n\tCLSID:\t%s\n\tImplemented %u\n",debugstr_guid(rclsid),cImplemented);
606 for (count = 0; count < cImplemented; ++count)
607 TRACE("\t\t%s\n",debugstr_guid(&rgcatidImpl[count]));
608 TRACE("\tRequired %u\n",cRequired);
609 for (count = 0; count < cRequired; ++count)
610 TRACE("\t\t%s\n",debugstr_guid(&rgcatidReq[count]));
613 if ((cImplemented && rgcatidImpl == NULL) ||
614 (cRequired && rgcatidReq == NULL)) return E_POINTER;
616 res = StringFromGUID2(rclsid, keyname + 6, 39);
617 if (FAILED(res)) return res;
619 categories = COMCAT_PrepareClassCategories(cImplemented, rgcatidImpl,
620 cRequired, rgcatidReq);
621 if (categories == NULL) return E_OUTOFMEMORY;
623 res = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &key);
624 if (res == ERROR_SUCCESS) {
625 res = COMCAT_IsClassOfCategories(key, categories);
627 } else res = S_FALSE;
629 HeapFree(GetProcessHeap(), 0, categories);
634 /**********************************************************************
635 * COMCAT_ICatInformation_EnumImplCategoriesOfClass
637 static HRESULT WINAPI COMCAT_ICatInformation_EnumImplCategoriesOfClass(
638 LPCATINFORMATION iface,
640 LPENUMCATID *ppenumCATID)
642 static const WCHAR postfix[24] = { '\\', 'I', 'm', 'p', 'l', 'e', 'm', 'e',
643 'n', 't', 'e', 'd', ' ', 'C', 'a', 't',
644 'e', 'g', 'o', 'r', 'i', 'e', 's', 0 };
646 TRACE("\n\tCLSID:\t%s\n",debugstr_guid(rclsid));
648 if (rclsid == NULL || ppenumCATID == NULL)
651 *ppenumCATID = COMCAT_CATID_IEnumGUID_Construct(rclsid, postfix);
652 if (*ppenumCATID == NULL) return E_OUTOFMEMORY;
656 /**********************************************************************
657 * COMCAT_ICatInformation_EnumReqCategoriesOfClass
659 static HRESULT WINAPI COMCAT_ICatInformation_EnumReqCategoriesOfClass(
660 LPCATINFORMATION iface,
662 LPENUMCATID *ppenumCATID)
664 static const WCHAR postfix[21] = { '\\', 'R', 'e', 'q', 'u', 'i', 'r', 'e',
665 'd', ' ', 'C', 'a', 't', 'e', 'g', 'o',
666 'r', 'i', 'e', 's', 0 };
668 TRACE("\n\tCLSID:\t%s\n",debugstr_guid(rclsid));
670 if (rclsid == NULL || ppenumCATID == NULL)
673 *ppenumCATID = COMCAT_CATID_IEnumGUID_Construct(rclsid, postfix);
674 if (*ppenumCATID == NULL) return E_OUTOFMEMORY;
678 /**********************************************************************
679 * COMCAT_ICatRegister_Vtbl
681 static const ICatRegisterVtbl COMCAT_ICatRegister_Vtbl =
683 COMCAT_ICatRegister_QueryInterface,
684 COMCAT_ICatRegister_AddRef,
685 COMCAT_ICatRegister_Release,
686 COMCAT_ICatRegister_RegisterCategories,
687 COMCAT_ICatRegister_UnRegisterCategories,
688 COMCAT_ICatRegister_RegisterClassImplCategories,
689 COMCAT_ICatRegister_UnRegisterClassImplCategories,
690 COMCAT_ICatRegister_RegisterClassReqCategories,
691 COMCAT_ICatRegister_UnRegisterClassReqCategories
695 /**********************************************************************
696 * COMCAT_ICatInformation_Vtbl
698 static const ICatInformationVtbl COMCAT_ICatInformation_Vtbl =
700 COMCAT_ICatInformation_QueryInterface,
701 COMCAT_ICatInformation_AddRef,
702 COMCAT_ICatInformation_Release,
703 COMCAT_ICatInformation_EnumCategories,
704 COMCAT_ICatInformation_GetCategoryDesc,
705 COMCAT_ICatInformation_EnumClassesOfCategories,
706 COMCAT_ICatInformation_IsClassOfCategories,
707 COMCAT_ICatInformation_EnumImplCategoriesOfClass,
708 COMCAT_ICatInformation_EnumReqCategoriesOfClass
711 /**********************************************************************
712 * static ComCatMgr instance
714 static ComCatMgrImpl COMCAT_ComCatMgr =
716 &COMCAT_ICatRegister_Vtbl,
717 &COMCAT_ICatInformation_Vtbl
720 /**********************************************************************
721 * COMCAT_IClassFactory_QueryInterface (also IUnknown)
723 static HRESULT WINAPI COMCAT_IClassFactory_QueryInterface(
724 LPCLASSFACTORY iface,
728 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
730 if (ppvObj == NULL) return E_POINTER;
732 if (IsEqualGUID(riid, &IID_IUnknown) ||
733 IsEqualGUID(riid, &IID_IClassFactory))
735 *ppvObj = (LPVOID)iface;
736 IUnknown_AddRef(iface);
740 return E_NOINTERFACE;
743 /**********************************************************************
744 * COMCAT_IClassFactory_AddRef (also IUnknown)
746 static ULONG WINAPI COMCAT_IClassFactory_AddRef(LPCLASSFACTORY iface)
748 return 2; /* non-heap based object */
751 /**********************************************************************
752 * COMCAT_IClassFactory_Release (also IUnknown)
754 static ULONG WINAPI COMCAT_IClassFactory_Release(LPCLASSFACTORY iface)
756 return 1; /* non-heap based object */
759 /**********************************************************************
760 * COMCAT_IClassFactory_CreateInstance
762 static HRESULT WINAPI COMCAT_IClassFactory_CreateInstance(
763 LPCLASSFACTORY iface,
769 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
771 if (ppvObj == NULL) return E_POINTER;
773 /* Don't support aggregation (Windows doesn't) */
774 if (pUnkOuter != NULL) return CLASS_E_NOAGGREGATION;
776 res = IUnknown_QueryInterface((LPUNKNOWN)&COMCAT_ComCatMgr, riid, ppvObj);
777 if (SUCCEEDED(res)) {
781 return CLASS_E_CLASSNOTAVAILABLE;
784 /**********************************************************************
785 * COMCAT_IClassFactory_LockServer
787 static HRESULT WINAPI COMCAT_IClassFactory_LockServer(
788 LPCLASSFACTORY iface,
791 FIXME("(%d), stub!\n",fLock);
795 /**********************************************************************
796 * static ClassFactory instance
798 static const IClassFactoryVtbl ComCatCFVtbl =
800 COMCAT_IClassFactory_QueryInterface,
801 COMCAT_IClassFactory_AddRef,
802 COMCAT_IClassFactory_Release,
803 COMCAT_IClassFactory_CreateInstance,
804 COMCAT_IClassFactory_LockServer
807 static const IClassFactoryVtbl *ComCatCF = &ComCatCFVtbl;
809 HRESULT ComCatCF_Create(REFIID riid, LPVOID *ppv)
811 return IClassFactory_QueryInterface((IClassFactory *)&ComCatCF, riid, ppv);
814 /**********************************************************************
815 * IEnumCATEGORYINFO implementation
817 * This implementation is not thread-safe. The manager itself is, but
818 * I can't imagine a valid use of an enumerator in several threads.
822 const IEnumCATEGORYINFOVtbl *lpVtbl;
827 } IEnumCATEGORYINFOImpl;
829 static ULONG WINAPI COMCAT_IEnumCATEGORYINFO_AddRef(LPENUMCATEGORYINFO iface)
831 IEnumCATEGORYINFOImpl *This = (IEnumCATEGORYINFOImpl *)iface;
835 return InterlockedIncrement(&This->ref);
838 static HRESULT WINAPI COMCAT_IEnumCATEGORYINFO_QueryInterface(
839 LPENUMCATEGORYINFO iface,
843 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
845 if (ppvObj == NULL) return E_POINTER;
847 if (IsEqualGUID(riid, &IID_IUnknown) ||
848 IsEqualGUID(riid, &IID_IEnumCATEGORYINFO))
850 *ppvObj = (LPVOID)iface;
851 COMCAT_IEnumCATEGORYINFO_AddRef(iface);
855 return E_NOINTERFACE;
858 static ULONG WINAPI COMCAT_IEnumCATEGORYINFO_Release(LPENUMCATEGORYINFO iface)
860 IEnumCATEGORYINFOImpl *This = (IEnumCATEGORYINFOImpl *)iface;
865 ref = InterlockedDecrement(&This->ref);
867 if (This->key) RegCloseKey(This->key);
868 HeapFree(GetProcessHeap(), 0, This);
874 static HRESULT WINAPI COMCAT_IEnumCATEGORYINFO_Next(
875 LPENUMCATEGORYINFO iface,
880 IEnumCATEGORYINFOImpl *This = (IEnumCATEGORYINFOImpl *)iface;
885 if (rgelt == NULL) return E_POINTER;
887 if (This->key) while (fetched < celt) {
894 res = RegEnumKeyExW(This->key, This->next_index, catid, &cName,
895 NULL, NULL, NULL, NULL);
896 if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) break;
897 ++(This->next_index);
899 hr = CLSIDFromString(catid, &rgelt->catid);
900 if (FAILED(hr)) continue;
902 res = RegOpenKeyExW(This->key, catid, 0, KEY_READ, &subkey);
903 if (res != ERROR_SUCCESS) continue;
905 hr = COMCAT_GetCategoryDesc(subkey, This->lcid,
906 rgelt->szDescription, 128);
908 if (FAILED(hr)) continue;
910 rgelt->lcid = This->lcid;
915 if (pceltFetched) *pceltFetched = fetched;
916 return fetched == celt ? S_OK : S_FALSE;
919 static HRESULT WINAPI COMCAT_IEnumCATEGORYINFO_Skip(
920 LPENUMCATEGORYINFO iface,
923 IEnumCATEGORYINFOImpl *This = (IEnumCATEGORYINFOImpl *)iface;
927 This->next_index += celt;
928 /* This should return S_FALSE when there aren't celt elems to skip. */
932 static HRESULT WINAPI COMCAT_IEnumCATEGORYINFO_Reset(LPENUMCATEGORYINFO iface)
934 IEnumCATEGORYINFOImpl *This = (IEnumCATEGORYINFOImpl *)iface;
938 This->next_index = 0;
942 static HRESULT WINAPI COMCAT_IEnumCATEGORYINFO_Clone(
943 LPENUMCATEGORYINFO iface,
944 IEnumCATEGORYINFO **ppenum)
946 IEnumCATEGORYINFOImpl *This = (IEnumCATEGORYINFOImpl *)iface;
947 static const WCHAR keyname[] = { 'C', 'o', 'm', 'p', 'o', 'n', 'e', 'n',
948 't', ' ', 'C', 'a', 't', 'e', 'g', 'o',
949 'r', 'i', 'e', 's', 0 };
950 IEnumCATEGORYINFOImpl *new_this;
954 if (ppenum == NULL) return E_POINTER;
956 new_this = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IEnumCATEGORYINFOImpl));
957 if (new_this == NULL) return E_OUTOFMEMORY;
959 new_this->lpVtbl = This->lpVtbl;
961 new_this->lcid = This->lcid;
962 /* FIXME: could we more efficiently use DuplicateHandle? */
963 RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &new_this->key);
964 new_this->next_index = This->next_index;
966 *ppenum = (LPENUMCATEGORYINFO)new_this;
970 static const IEnumCATEGORYINFOVtbl COMCAT_IEnumCATEGORYINFO_Vtbl =
972 COMCAT_IEnumCATEGORYINFO_QueryInterface,
973 COMCAT_IEnumCATEGORYINFO_AddRef,
974 COMCAT_IEnumCATEGORYINFO_Release,
975 COMCAT_IEnumCATEGORYINFO_Next,
976 COMCAT_IEnumCATEGORYINFO_Skip,
977 COMCAT_IEnumCATEGORYINFO_Reset,
978 COMCAT_IEnumCATEGORYINFO_Clone
981 static LPENUMCATEGORYINFO COMCAT_IEnumCATEGORYINFO_Construct(LCID lcid)
983 IEnumCATEGORYINFOImpl *This;
985 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IEnumCATEGORYINFOImpl));
987 static const WCHAR keyname[] = { 'C', 'o', 'm', 'p', 'o', 'n', 'e', 'n',
988 't', ' ', 'C', 'a', 't', 'e', 'g', 'o',
989 'r', 'i', 'e', 's', 0 };
991 This->lpVtbl = &COMCAT_IEnumCATEGORYINFO_Vtbl;
993 RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &This->key);
995 return (LPENUMCATEGORYINFO)This;
998 /**********************************************************************
999 * ClassesOfCategories IEnumCLSID (IEnumGUID) implementation
1001 * This implementation is not thread-safe. The manager itself is, but
1002 * I can't imagine a valid use of an enumerator in several threads.
1006 const IEnumGUIDVtbl *lpVtbl;
1008 struct class_categories *categories;
1011 } CLSID_IEnumGUIDImpl;
1013 static ULONG WINAPI COMCAT_CLSID_IEnumGUID_AddRef(LPENUMGUID iface)
1015 CLSID_IEnumGUIDImpl *This = (CLSID_IEnumGUIDImpl *)iface;
1018 return InterlockedIncrement(&This->ref);
1021 static HRESULT WINAPI COMCAT_CLSID_IEnumGUID_QueryInterface(
1026 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
1028 if (ppvObj == NULL) return E_POINTER;
1030 if (IsEqualGUID(riid, &IID_IUnknown) ||
1031 IsEqualGUID(riid, &IID_IEnumGUID))
1033 *ppvObj = (LPVOID)iface;
1034 COMCAT_CLSID_IEnumGUID_AddRef(iface);
1038 return E_NOINTERFACE;
1041 static ULONG WINAPI COMCAT_CLSID_IEnumGUID_Release(LPENUMGUID iface)
1043 CLSID_IEnumGUIDImpl *This = (CLSID_IEnumGUIDImpl *)iface;
1048 ref = InterlockedDecrement(&This->ref);
1050 if (This->key) RegCloseKey(This->key);
1051 HeapFree(GetProcessHeap(), 0, (LPVOID)This->categories);
1052 HeapFree(GetProcessHeap(), 0, This);
1058 static HRESULT WINAPI COMCAT_CLSID_IEnumGUID_Next(
1062 ULONG *pceltFetched)
1064 CLSID_IEnumGUIDImpl *This = (CLSID_IEnumGUIDImpl *)iface;
1069 if (rgelt == NULL) return E_POINTER;
1071 if (This->key) while (fetched < celt) {
1078 res = RegEnumKeyExW(This->key, This->next_index, clsid, &cName,
1079 NULL, NULL, NULL, NULL);
1080 if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) break;
1081 ++(This->next_index);
1083 hr = CLSIDFromString(clsid, rgelt);
1084 if (FAILED(hr)) continue;
1086 res = RegOpenKeyExW(This->key, clsid, 0, KEY_READ, &subkey);
1087 if (res != ERROR_SUCCESS) continue;
1089 hr = COMCAT_IsClassOfCategories(subkey, This->categories);
1090 RegCloseKey(subkey);
1091 if (hr != S_OK) continue;
1097 if (pceltFetched) *pceltFetched = fetched;
1098 return fetched == celt ? S_OK : S_FALSE;
1101 static HRESULT WINAPI COMCAT_CLSID_IEnumGUID_Skip(
1105 CLSID_IEnumGUIDImpl *This = (CLSID_IEnumGUIDImpl *)iface;
1109 This->next_index += celt;
1110 FIXME("Never returns S_FALSE\n");
1114 static HRESULT WINAPI COMCAT_CLSID_IEnumGUID_Reset(LPENUMGUID iface)
1116 CLSID_IEnumGUIDImpl *This = (CLSID_IEnumGUIDImpl *)iface;
1120 This->next_index = 0;
1124 static HRESULT WINAPI COMCAT_CLSID_IEnumGUID_Clone(
1128 CLSID_IEnumGUIDImpl *This = (CLSID_IEnumGUIDImpl *)iface;
1129 static const WCHAR keyname[] = { 'C', 'L', 'S', 'I', 'D', 0 };
1130 CLSID_IEnumGUIDImpl *new_this;
1135 if (ppenum == NULL) return E_POINTER;
1137 new_this = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CLSID_IEnumGUIDImpl));
1138 if (new_this == NULL) return E_OUTOFMEMORY;
1140 new_this->lpVtbl = This->lpVtbl;
1142 size = HeapSize(GetProcessHeap(), 0, (LPVOID)This->categories);
1143 new_this->categories =
1144 HeapAlloc(GetProcessHeap(), 0, size);
1145 if (new_this->categories == NULL) {
1146 HeapFree(GetProcessHeap(), 0, new_this);
1147 return E_OUTOFMEMORY;
1149 memcpy((LPVOID)new_this->categories, This->categories, size);
1150 /* FIXME: could we more efficiently use DuplicateHandle? */
1151 RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &new_this->key);
1152 new_this->next_index = This->next_index;
1154 *ppenum = (LPENUMGUID)new_this;
1158 static const IEnumGUIDVtbl COMCAT_CLSID_IEnumGUID_Vtbl =
1160 COMCAT_CLSID_IEnumGUID_QueryInterface,
1161 COMCAT_CLSID_IEnumGUID_AddRef,
1162 COMCAT_CLSID_IEnumGUID_Release,
1163 COMCAT_CLSID_IEnumGUID_Next,
1164 COMCAT_CLSID_IEnumGUID_Skip,
1165 COMCAT_CLSID_IEnumGUID_Reset,
1166 COMCAT_CLSID_IEnumGUID_Clone
1169 static LPENUMGUID COMCAT_CLSID_IEnumGUID_Construct(struct class_categories *categories)
1171 CLSID_IEnumGUIDImpl *This;
1173 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CLSID_IEnumGUIDImpl));
1175 static const WCHAR keyname[] = { 'C', 'L', 'S', 'I', 'D', 0 };
1177 This->lpVtbl = &COMCAT_CLSID_IEnumGUID_Vtbl;
1178 This->categories = categories;
1179 RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &This->key);
1181 return (LPENUMGUID)This;
1184 /**********************************************************************
1185 * CategoriesOfClass IEnumCATID (IEnumGUID) implementation
1187 * This implementation is not thread-safe. The manager itself is, but
1188 * I can't imagine a valid use of an enumerator in several threads.
1192 const IEnumGUIDVtbl *lpVtbl;
1197 } CATID_IEnumGUIDImpl;
1199 static ULONG WINAPI COMCAT_CATID_IEnumGUID_AddRef(LPENUMGUID iface)
1201 CATID_IEnumGUIDImpl *This = (CATID_IEnumGUIDImpl *)iface;
1204 return InterlockedIncrement(&This->ref);
1207 static HRESULT WINAPI COMCAT_CATID_IEnumGUID_QueryInterface(
1212 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
1214 if (ppvObj == NULL) return E_POINTER;
1216 if (IsEqualGUID(riid, &IID_IUnknown) ||
1217 IsEqualGUID(riid, &IID_IEnumGUID))
1219 *ppvObj = (LPVOID)iface;
1220 COMCAT_CATID_IEnumGUID_AddRef(iface);
1224 return E_NOINTERFACE;
1227 static ULONG WINAPI COMCAT_CATID_IEnumGUID_Release(LPENUMGUID iface)
1229 CATID_IEnumGUIDImpl *This = (CATID_IEnumGUIDImpl *)iface;
1234 ref = InterlockedDecrement(&This->ref);
1236 if (This->key) RegCloseKey(This->key);
1237 HeapFree(GetProcessHeap(), 0, This);
1243 static HRESULT WINAPI COMCAT_CATID_IEnumGUID_Next(
1247 ULONG *pceltFetched)
1249 CATID_IEnumGUIDImpl *This = (CATID_IEnumGUIDImpl *)iface;
1254 if (rgelt == NULL) return E_POINTER;
1256 if (This->key) while (fetched < celt) {
1262 res = RegEnumKeyExW(This->key, This->next_index, catid, &cName,
1263 NULL, NULL, NULL, NULL);
1264 if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) break;
1265 ++(This->next_index);
1267 hr = CLSIDFromString(catid, rgelt);
1268 if (FAILED(hr)) continue;
1274 if (pceltFetched) *pceltFetched = fetched;
1275 return fetched == celt ? S_OK : S_FALSE;
1278 static HRESULT WINAPI COMCAT_CATID_IEnumGUID_Skip(
1282 CATID_IEnumGUIDImpl *This = (CATID_IEnumGUIDImpl *)iface;
1286 This->next_index += celt;
1287 FIXME("Never returns S_FALSE\n");
1291 static HRESULT WINAPI COMCAT_CATID_IEnumGUID_Reset(LPENUMGUID iface)
1293 CATID_IEnumGUIDImpl *This = (CATID_IEnumGUIDImpl *)iface;
1297 This->next_index = 0;
1301 static HRESULT WINAPI COMCAT_CATID_IEnumGUID_Clone(
1305 CATID_IEnumGUIDImpl *This = (CATID_IEnumGUIDImpl *)iface;
1306 CATID_IEnumGUIDImpl *new_this;
1310 if (ppenum == NULL) return E_POINTER;
1312 new_this = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CATID_IEnumGUIDImpl));
1313 if (new_this == NULL) return E_OUTOFMEMORY;
1315 new_this->lpVtbl = This->lpVtbl;
1317 lstrcpyW(new_this->keyname, This->keyname);
1318 /* FIXME: could we more efficiently use DuplicateHandle? */
1319 RegOpenKeyExW(HKEY_CLASSES_ROOT, new_this->keyname, 0, KEY_READ, &new_this->key);
1320 new_this->next_index = This->next_index;
1322 *ppenum = (LPENUMGUID)new_this;
1326 static const IEnumGUIDVtbl COMCAT_CATID_IEnumGUID_Vtbl =
1328 COMCAT_CATID_IEnumGUID_QueryInterface,
1329 COMCAT_CATID_IEnumGUID_AddRef,
1330 COMCAT_CATID_IEnumGUID_Release,
1331 COMCAT_CATID_IEnumGUID_Next,
1332 COMCAT_CATID_IEnumGUID_Skip,
1333 COMCAT_CATID_IEnumGUID_Reset,
1334 COMCAT_CATID_IEnumGUID_Clone
1337 static LPENUMGUID COMCAT_CATID_IEnumGUID_Construct(
1338 REFCLSID rclsid, LPCWSTR postfix)
1340 CATID_IEnumGUIDImpl *This;
1342 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CATID_IEnumGUIDImpl));
1344 WCHAR prefix[6] = { 'C', 'L', 'S', 'I', 'D', '\\' };
1346 This->lpVtbl = &COMCAT_CATID_IEnumGUID_Vtbl;
1347 memcpy(This->keyname, prefix, sizeof(prefix));
1348 StringFromGUID2(rclsid, This->keyname + 6, 39);
1349 lstrcpyW(This->keyname + 44, postfix);
1350 RegOpenKeyExW(HKEY_CLASSES_ROOT, This->keyname, 0, KEY_READ, &This->key);
1352 return (LPENUMGUID)This;