xref: /reactos/dll/win32/msxml3/dispex.c (revision 803b5e13)
1 /*
2  * Copyright 2008 Jacek Caban for CodeWeavers
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18 
19 #define COBJMACROS
20 
21 #include "config.h"
22 
23 #include <stdarg.h>
24 #ifdef HAVE_LIBXML2
25 # include <libxml/parser.h>
26 # include <libxml/xmlerror.h>
27 #endif
28 
29 #include "windef.h"
30 #include "winbase.h"
31 #include "winuser.h"
32 #include "winnls.h"
33 #include "ole2.h"
34 #include "msxml6.h"
35 #include "msxml6did.h"
36 #include "wininet.h"
37 #include "urlmon.h"
38 #include "winreg.h"
39 #include "shlwapi.h"
40 
41 #include "wine/debug.h"
42 #include "wine/unicode.h"
43 
44 #include "msxml_private.h"
45 
46 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
47 
48 static CRITICAL_SECTION cs_dispex_static_data;
49 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
50 {
51     0, 0, &cs_dispex_static_data,
52     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
53       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
54 };
55 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
56 
57 
58 enum lib_version_t
59 {
60     LibXml = 0,
61     LibXml2,
62     LibXml_Last
63 };
64 
65 typedef struct {
66     REFIID iid;
67     enum lib_version_t lib;
68 } tid_id_t;
69 
70 typedef struct {
71     REFIID iid;
72     unsigned short major;
73 } lib_id_t;
74 
75 typedef struct {
76     DISPID id;
77     BSTR name;
78     enum tid_t tid;
79 } func_info_t;
80 
81 struct dispex_data_t {
82     DWORD func_cnt;
83     func_info_t *funcs;
84     func_info_t **name_table;
85 
86     struct list entry;
87 };
88 
89 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
90 static ITypeLib *typelib[LibXml_Last];
91 static ITypeInfo *typeinfos[LAST_tid];
92 
93 /* indexed with lib_version_t values */
94 static lib_id_t lib_ids[] = {
95     { &LIBID_MSXML,  2 },
96     { &LIBID_MSXML2, 3 }
97 };
98 
99 static tid_id_t tid_ids[] = {
100     { &IID_NULL, LibXml_Last },
101     { &IID_IXMLDOMAttribute, LibXml2 },
102     { &IID_IXMLDOMCDATASection, LibXml2 },
103     { &IID_IXMLDOMComment, LibXml2 },
104     { &IID_IXMLDOMDocument, LibXml2 },
105     { &IID_IXMLDOMDocument2, LibXml2 },
106     { &IID_IXMLDOMDocument3, LibXml2 },
107     { &IID_IXMLDOMDocumentFragment, LibXml2 },
108     { &IID_IXMLDOMDocumentType, LibXml2 },
109     { &IID_IXMLDOMElement, LibXml2 },
110     { &IID_IXMLDOMEntityReference, LibXml2 },
111     { &IID_IXMLDOMImplementation, LibXml2 },
112     { &IID_IXMLDOMNamedNodeMap, LibXml2 },
113     { &IID_IXMLDOMNode, LibXml2 },
114     { &IID_IXMLDOMNodeList, LibXml2 },
115     { &IID_IXMLDOMParseError2, LibXml2 },
116     { &IID_IXMLDOMProcessingInstruction, LibXml2 },
117     { &IID_IXMLDOMSchemaCollection, LibXml2 },
118     { &IID_IXMLDOMSchemaCollection2, LibXml2 },
119     { &IID_IXMLDOMSelection, LibXml2 },
120     { &IID_IXMLDOMText, LibXml2 },
121     { &IID_IXMLElement, LibXml },
122     { &IID_IXMLDocument, LibXml },
123     { &IID_IXMLHTTPRequest, LibXml2 },
124     { &IID_IXSLProcessor, LibXml2 },
125     { &IID_IXSLTemplate, LibXml2 },
126     { &IID_IVBSAXAttributes, LibXml2 },
127     { &IID_IVBSAXContentHandler, LibXml2 },
128     { &IID_IVBSAXDeclHandler, LibXml2 },
129     { &IID_IVBSAXDTDHandler, LibXml2 },
130     { &IID_IVBSAXEntityResolver, LibXml2 },
131     { &IID_IVBSAXErrorHandler, LibXml2 },
132     { &IID_IVBSAXLexicalHandler, LibXml2 },
133     { &IID_IVBSAXLocator, LibXml2 },
134     { &IID_IVBSAXXMLFilter, LibXml2 },
135     { &IID_IVBSAXXMLReader, LibXml2 },
136     { &IID_IMXAttributes, LibXml2 },
137     { &IID_IMXReaderControl, LibXml2 },
138     { &IID_IMXWriter, LibXml2 },
139     { &IID_IVBMXNamespaceManager, LibXml2 },
140     { &IID_IServerXMLHTTPRequest, LibXml2 }
141 };
142 
143 const IID *get_riid_from_tid(tid_t tid)
144 {
145     return tid_ids[tid].iid;
146 }
147 
148 static inline unsigned get_libid_from_tid(tid_t tid)
149 {
150     return tid_ids[tid].lib;
151 }
152 
153 static HRESULT get_typelib(unsigned lib, ITypeLib **tl)
154 {
155     HRESULT hres;
156 
157     if(!typelib[lib]) {
158         hres = LoadRegTypeLib(lib_ids[lib].iid, lib_ids[lib].major, 0, LOCALE_SYSTEM_DEFAULT, tl);
159         if(FAILED(hres)) {
160             ERR("LoadRegTypeLib failed: %08x\n", hres);
161             return hres;
162         }
163 
164         if (InterlockedCompareExchangePointer((void**)&typelib[lib], *tl, NULL))
165             ITypeLib_Release(*tl);
166     }
167 
168     *tl = typelib[lib];
169     return S_OK;
170 }
171 
172 HRESULT get_typeinfo(enum tid_t tid, ITypeInfo **typeinfo)
173 {
174     unsigned lib = get_libid_from_tid(tid);
175     ITypeLib *typelib;
176     HRESULT hres;
177 
178     if (FAILED(hres = get_typelib(lib, &typelib)))
179         return hres;
180 
181     if(!typeinfos[tid]) {
182         ITypeInfo *ti;
183 
184         hres = ITypeLib_GetTypeInfoOfGuid(typelib, get_riid_from_tid(tid), &ti);
185         if(FAILED(hres)) {
186             /* try harder with typelib from msxml.dll */
187             if (FAILED(hres = get_typelib(LibXml, &typelib)))
188                 return hres;
189             hres = ITypeLib_GetTypeInfoOfGuid(typelib, get_riid_from_tid(tid), &ti);
190             if(FAILED(hres)) {
191                 ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
192                 return hres;
193             }
194         }
195 
196         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
197             ITypeInfo_Release(ti);
198     }
199 
200     *typeinfo = typeinfos[tid];
201 
202     ITypeInfo_AddRef(typeinfos[tid]);
203     return S_OK;
204 }
205 
206 void release_typelib(void)
207 {
208     dispex_data_t *iter;
209     unsigned i;
210 
211     while(!list_empty(&dispex_data_list)) {
212         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
213         list_remove(&iter->entry);
214 
215         for(i=0; i < iter->func_cnt; i++)
216             SysFreeString(iter->funcs[i].name);
217 
218         heap_free(iter->funcs);
219         heap_free(iter->name_table);
220         heap_free(iter);
221     }
222 
223     for(i=0; i < ARRAY_SIZE(typeinfos); i++)
224         if(typeinfos[i])
225             ITypeInfo_Release(typeinfos[i]);
226 
227     for(i=0; i < ARRAY_SIZE(typelib); i++)
228         if(typelib[i])
229             ITypeLib_Release(typelib[i]);
230 
231     DeleteCriticalSection(&cs_dispex_static_data);
232 }
233 
234 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, DISPID id, ITypeInfo *dti)
235 {
236     HRESULT hres;
237 
238     if(data->func_cnt && data->funcs[data->func_cnt-1].id == id)
239         return;
240 
241     if(data->func_cnt == *size)
242         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
243 
244     hres = ITypeInfo_GetDocumentation(dti, id, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
245     if(FAILED(hres))
246         return;
247 
248     data->funcs[data->func_cnt].id = id;
249     data->funcs[data->func_cnt].tid = tid;
250 
251     data->func_cnt++;
252 }
253 
254 static int dispid_cmp(const void *p1, const void *p2)
255 {
256     return ((const func_info_t*)p1)->id - ((const func_info_t*)p2)->id;
257 }
258 
259 static int func_name_cmp(const void *p1, const void *p2)
260 {
261     return strcmpiW((*(func_info_t* const*)p1)->name, (*(func_info_t* const*)p2)->name);
262 }
263 
264 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
265 {
266     const tid_t *tid = This->data->iface_tids;
267     FUNCDESC *funcdesc;
268     dispex_data_t *data;
269     DWORD size = 16, i;
270     ITypeInfo *ti, *dti;
271     HRESULT hres;
272 
273     TRACE("(%p)\n", This);
274 
275     hres = get_typeinfo(This->data->disp_tid, &dti);
276     if(FAILED(hres)) {
277         ERR("Could not get disp type info: %08x\n", hres);
278         return NULL;
279     }
280 
281     data = heap_alloc(sizeof(dispex_data_t));
282     data->func_cnt = 0;
283     data->funcs = heap_alloc(size*sizeof(func_info_t));
284     list_add_tail(&dispex_data_list, &data->entry);
285 
286     while(*tid) {
287         hres = get_typeinfo(*tid, &ti);
288         if(FAILED(hres))
289             break;
290 
291         i=0;
292         while(1) {
293             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
294             if(FAILED(hres))
295                 break;
296 
297             add_func_info(data, &size, *tid, funcdesc->memid, dti);
298             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
299         }
300 
301         ITypeInfo_Release(ti);
302         tid++;
303     }
304 
305     if(!data->func_cnt) {
306         heap_free(data->funcs);
307         data->funcs = NULL;
308     }else if(data->func_cnt != size) {
309         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
310     }
311 
312     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
313 
314     if(data->funcs) {
315         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
316         for(i=0; i < data->func_cnt; i++)
317             data->name_table[i] = data->funcs+i;
318         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
319     }else {
320         data->name_table = NULL;
321     }
322 
323     ITypeInfo_Release(dti);
324     return data;
325 }
326 
327 static dispex_data_t *get_dispex_data(DispatchEx *This)
328 {
329     if(This->data->data)
330         return This->data->data;
331 
332     EnterCriticalSection(&cs_dispex_static_data);
333 
334     if(!This->data->data)
335         This->data->data = preprocess_dispex_data(This);
336 
337     LeaveCriticalSection(&cs_dispex_static_data);
338 
339     return This->data->data;
340 }
341 
342 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
343 {
344     return CONTAINING_RECORD(iface, DispatchEx, IDispatchEx_iface);
345 }
346 
347 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
348 {
349     DispatchEx *This = impl_from_IDispatchEx(iface);
350 
351     return IUnknown_QueryInterface(This->outer, riid, ppv);
352 }
353 
354 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
355 {
356     DispatchEx *This = impl_from_IDispatchEx(iface);
357 
358     return IUnknown_AddRef(This->outer);
359 }
360 
361 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
362 {
363     DispatchEx *This = impl_from_IDispatchEx(iface);
364 
365     return IUnknown_Release(This->outer);
366 }
367 
368 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
369 {
370     DispatchEx *This = impl_from_IDispatchEx(iface);
371 
372     TRACE("(%p)->(%p)\n", This, pctinfo);
373 
374     *pctinfo = 1;
375     return S_OK;
376 }
377 
378 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
379                                               LCID lcid, ITypeInfo **ppTInfo)
380 {
381     DispatchEx *This = impl_from_IDispatchEx(iface);
382 
383     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
384 
385     return get_typeinfo(This->data->disp_tid, ppTInfo);
386 }
387 
388 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
389                                                 LPOLESTR *rgszNames, UINT cNames,
390                                                 LCID lcid, DISPID *rgDispId)
391 {
392     DispatchEx *This = impl_from_IDispatchEx(iface);
393     UINT i;
394     HRESULT hres;
395 
396     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
397           lcid, rgDispId);
398 
399     for(i=0; i < cNames; i++) {
400         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
401         if(FAILED(hres))
402             return hres;
403     }
404 
405     return S_OK;
406 }
407 
408 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
409                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
410                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
411 {
412     DispatchEx *This = impl_from_IDispatchEx(iface);
413 
414     TRACE("(%p)->(%x %s %x %x %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
415           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
416 
417     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
418                                 pDispParams, pVarResult, pExcepInfo, NULL);
419 }
420 
421 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
422 {
423     DispatchEx *This = impl_from_IDispatchEx(iface);
424     dispex_data_t *data;
425     int min, max, n, c;
426 
427     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
428 
429     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit))
430         FIXME("Unsupported grfdex %x\n", grfdex);
431 
432     data = get_dispex_data(This);
433     if(!data)
434         return E_FAIL;
435 
436     min = 0;
437     max = data->func_cnt-1;
438 
439     while(min <= max) {
440         n = (min+max)/2;
441 
442         c = strcmpiW(data->name_table[n]->name, bstrName);
443         if(!c) {
444             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
445                 break;
446 
447             *pid = data->name_table[n]->id;
448             return S_OK;
449         }
450 
451         if(c > 0)
452             max = n-1;
453         else
454             min = n+1;
455     }
456 
457     if(This->data->vtbl && This->data->vtbl->get_dispid) {
458         HRESULT hres;
459 
460         hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
461         if(hres != DISP_E_UNKNOWNNAME)
462             return hres;
463     }
464 
465     TRACE("not found %s\n", debugstr_w(bstrName));
466     return DISP_E_UNKNOWNNAME;
467 }
468 
469 static BOOL is_propputref_id(DISPID id)
470 {
471     switch (id)
472     {
473     case DISPID_DOM_DOCUMENT_DOCUMENTELEMENT:
474     case DISPID_XMLDOM_DOCUMENT2_SCHEMAS:
475     case DISPID_XMLDOM_SELECTION_CONTEXT:
476     case DISPID_XMLDOM_TEMPLATE_STYLESHEET:
477     case DISPID_SAX_CONTENTHANDLER_DOCUMENTLOCATOR:
478     case DISPID_SAX_XMLFILTER_PARENT:
479     case DISPID_SAX_XMLREADER_ENTITYRESOLVER:
480     case DISPID_SAX_XMLREADER_CONTENTHANDLER:
481     case DISPID_SAX_XMLREADER_DTDHANDLER:
482     case DISPID_SAX_XMLREADER_ERRORHANDLER:
483     case DISPID_MXXML_FILTER_ENTITYRESOLVER:
484     case DISPID_MXXML_FILTER_CONTENTHANDLER:
485     case DISPID_MXXML_FILTER_DTDHANDLER:
486     case DISPID_MXXML_FILTER_ERRORHANDLER:
487         return TRUE;
488     default:
489         return FALSE;
490     }
491 }
492 
493 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
494         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
495 {
496     DispatchEx *This = impl_from_IDispatchEx(iface);
497     IUnknown *unk;
498     ITypeInfo *ti;
499     dispex_data_t *data;
500     UINT argerr=0;
501     int min, max, n;
502     HRESULT hres;
503 
504     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
505 
506     if(This->data->vtbl && This->data->vtbl->invoke) {
507         hres = This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei);
508         if (hres != DISP_E_UNKNOWNNAME) return hres;
509     }
510 
511     if(wFlags == DISPATCH_CONSTRUCT) {
512         FIXME("DISPATCH_CONSTRUCT not implemented\n");
513         return E_NOTIMPL;
514     }
515 
516     data = get_dispex_data(This);
517     if(!data)
518         return E_FAIL;
519 
520     min = 0;
521     max = data->func_cnt-1;
522 
523     while(min <= max) {
524         n = (min+max)/2;
525 
526         if(data->funcs[n].id == id)
527             break;
528 
529         if(data->funcs[n].id < id)
530             min = n+1;
531         else
532             max = n-1;
533     }
534 
535     if(min > max) {
536         WARN("invalid id %x\n", id);
537         return DISP_E_UNKNOWNNAME;
538     }
539 
540     hres = get_typeinfo(data->funcs[n].tid, &ti);
541     if(FAILED(hres)) {
542         ERR("Could not get type info: %08x\n", hres);
543         return hres;
544     }
545 
546     hres = IUnknown_QueryInterface(This->outer, get_riid_from_tid(data->funcs[n].tid), (void**)&unk);
547     if(FAILED(hres)) {
548         ERR("Could not get iface: %08x\n", hres);
549         ITypeInfo_Release(ti);
550         return E_FAIL;
551     }
552 
553     if (is_propputref_id(id) && wFlags == DISPATCH_PROPERTYPUT)
554         wFlags = DISPATCH_PROPERTYPUTREF;
555     hres = ITypeInfo_Invoke(ti, unk, id, wFlags, pdp, pvarRes, pei, &argerr);
556 
557     ITypeInfo_Release(ti);
558     IUnknown_Release(unk);
559     return hres;
560 }
561 
562 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
563 {
564     DispatchEx *This = impl_from_IDispatchEx(iface);
565     TRACE("Not implemented in native msxml3 (%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
566     return E_NOTIMPL;
567 }
568 
569 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
570 {
571     DispatchEx *This = impl_from_IDispatchEx(iface);
572     TRACE("Not implemented in native msxml3 (%p)->(%x)\n", This, id);
573     return E_NOTIMPL;
574 }
575 
576 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
577 {
578     DispatchEx *This = impl_from_IDispatchEx(iface);
579     TRACE("Not implemented in native msxml3 (%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
580     return E_NOTIMPL;
581 }
582 
583 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
584 {
585     DispatchEx *This = impl_from_IDispatchEx(iface);
586     TRACE("Not implemented in native msxml3 (%p)->(%x %p)\n", This, id, pbstrName);
587     return E_NOTIMPL;
588 }
589 
590 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
591 {
592     DispatchEx *This = impl_from_IDispatchEx(iface);
593     TRACE(" Not implemented in native msxml3 (%p)->(%x %x %p)\n", This, grfdex, id, pid);
594     return E_NOTIMPL;
595 }
596 
597 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
598 {
599     DispatchEx *This = impl_from_IDispatchEx(iface);
600     TRACE("Not implemented in native msxml3 (%p)->(%p)\n", This, ppunk);
601     return E_NOTIMPL;
602 }
603 
604 static IDispatchExVtbl DispatchExVtbl = {
605     DispatchEx_QueryInterface,
606     DispatchEx_AddRef,
607     DispatchEx_Release,
608     DispatchEx_GetTypeInfoCount,
609     DispatchEx_GetTypeInfo,
610     DispatchEx_GetIDsOfNames,
611     DispatchEx_Invoke,
612     DispatchEx_GetDispID,
613     DispatchEx_InvokeEx,
614     DispatchEx_DeleteMemberByName,
615     DispatchEx_DeleteMemberByDispID,
616     DispatchEx_GetMemberProperties,
617     DispatchEx_GetMemberName,
618     DispatchEx_GetNextDispID,
619     DispatchEx_GetNameSpaceParent
620 };
621 
622 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
623 {
624     static const IID IID_UndocumentedScriptIface =
625         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
626     static const IID IID_IDispatchJS =
627         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
628 
629     if(IsEqualGUID(&IID_IDispatch, riid)) {
630         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
631         *ppv = &This->IDispatchEx_iface;
632     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
633         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
634         *ppv = &This->IDispatchEx_iface;
635     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
636         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
637         *ppv = NULL;
638     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
639         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
640         *ppv = NULL;
641     }else if (IsEqualGUID(&IID_IObjectIdentity, riid)) {
642         TRACE("IID_IObjectIdentity not supported returning NULL\n");
643         *ppv = NULL;
644     }else {
645         return FALSE;
646     }
647 
648     if(*ppv)
649         IUnknown_AddRef((IUnknown*)*ppv);
650     return TRUE;
651 }
652 
653 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
654 {
655     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
656     dispex->outer = outer;
657     dispex->data = data;
658 }
659