dlls/msxml3/dispex.c

   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 #include <assert.h>
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "winnls.h"
  29 #include "ole2.h"
  30 #include "msxml2.h"
  31 #include "wininet.h"
  32 #include "urlmon.h"
  33 #include "winreg.h"
  34 #include "shlwapi.h"
  35
  36 #include "wine/debug.h"
  37 #include "wine/list.h"
  38 #include "wine/unicode.h"
  39
  40 #include "msxml_private.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  43
  44 #define DISPATCHEX(x)  ((IDispatchEx*)  &(x)->lpIDispatchExVtbl)
  45
  46 typedef struct {
  47     DISPID id;
  48     BSTR name;
  49     enum tid_t tid;
  50 } func_info_t;
  51
  52 struct dispex_data_t {
  53     DWORD func_cnt;
  54     func_info_t *funcs;
  55     func_info_t **name_table;
  56
  57     struct list entry;
  58 };
  59
  60 typedef struct {
  61     VARIANT var;
  62     LPWSTR name;
  63 } dynamic_prop_t;
  64
  65 struct dispex_dynamic_data_t {
  66     DWORD buf_size;
  67     DWORD prop_cnt;
  68     dynamic_prop_t *props;
  69 };
  70
  71 #define DISPID_DYNPROP_0    0x50000000
  72 #define DISPID_DYNPROP_MAX  0x5fffffff
  73
  74 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  75 static ITypeLib *typelib;
  76 static ITypeInfo *typeinfos[LAST_tid];
  77
  78 static REFIID tid_ids[] = {
  79     &IID_IXMLDOMAttribute,
  80     &IID_IXMLDOMCDATASection,
  81     &IID_IXMLDOMComment,
  82     &IID_IXMLDOMDocument,
  83     &IID_IXMLDOMDocument2,
  84     &IID_IXMLDOMDocumentFragment,
  85     &IID_IXMLDOMElement,
  86     &IID_IXMLDOMEntityReference,
  87     &IID_IXMLDOMImplementation,
  88     &IID_IXMLDOMNamedNodeMap,
  89     &IID_IXMLDOMNode,
  90     &IID_IXMLDOMNodeList,
  91     &IID_IXMLDOMParseError,
  92     &IID_IXMLDOMProcessingInstruction,
  93     &IID_IXMLDOMSchemaCollection,
  94     &IID_IXMLDOMText,
  95     &IID_IXMLElement,
  96     &IID_IXMLDOMDocument,
  97     &IID_IXMLHTTPRequest,
  98     &IID_IVBSAXAttributes,
  99     &IID_IVBSAXContentHandler,
 100     &IID_IVBSAXDeclHandler,
 101     &IID_IVBSAXDTDHandler,
 102     &IID_IVBSAXEntityResolver,
 103     &IID_IVBSAXErrorHandler,
 104     &IID_IVBSAXLexicalHandler,
 105     &IID_IVBSAXLocator,
 106     &IID_IVBSAXXMLFilter,
 107     &IID_IVBSAXXMLReader,
 108     &IID_IMXAttributes,
 109     &IID_IMXReaderControl,
 110     &IID_IMXWriter,
 111 };
 112
 113 HRESULT get_typeinfo(enum tid_t tid, ITypeInfo **typeinfo)
 114 {
 115     HRESULT hres;
 116
 117     if(!typelib) {
 118         ITypeLib *tl;
 119
 120         hres = LoadRegTypeLib(&LIBID_MSXML2, 3, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 121         if(FAILED(hres)) {
 122             ERR("LoadRegTypeLib failed: %08x\n", hres);
 123             return hres;
 124         }
 125
 126         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 127             ITypeLib_Release(tl);
 128     }
 129
 130     if(!typeinfos[tid]) {
 131         ITypeInfo *typeinfo;
 132
 133         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
 134         if(FAILED(hres)) {
 135             ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
 136             return hres;
 137         }
 138
 139         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
 140             ITypeInfo_Release(typeinfo);
 141     }
 142
 143     *typeinfo = typeinfos[tid];
 144
 145     ITypeInfo_AddRef(typeinfos[tid]);
 146     return S_OK;
 147 }
 148
 149 void release_typelib(void)
 150 {
 151     dispex_data_t *iter;
 152     unsigned i;
 153
 154     while(!list_empty(&dispex_data_list)) {
 155         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 156         list_remove(&iter->entry);
 157
 158         for(i=0; i < iter->func_cnt; i++)
 159             SysFreeString(iter->funcs[i].name);
 160
 161         heap_free(iter->funcs);
 162         heap_free(iter->name_table);
 163         heap_free(iter);
 164     }
 165
 166     if(!typelib)
 167         return;
 168
 169     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 170         if(typeinfos[i])
 171             ITypeInfo_Release(typeinfos[i]);
 172
 173     ITypeLib_Release(typelib);
 174 }
 175
 176 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, DISPID id, ITypeInfo *dti)
 177 {
 178     HRESULT hres;
 179
 180     if(data->func_cnt && data->funcs[data->func_cnt-1].id == id)
 181         return;
 182
 183     if(data->func_cnt == *size)
 184         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 185
 186     hres = ITypeInfo_GetDocumentation(dti, id, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 187     if(FAILED(hres))
 188         return;
 189
 190     data->funcs[data->func_cnt].id = id;
 191     data->funcs[data->func_cnt].tid = tid;
 192
 193     data->func_cnt++;
 194 }
 195
 196 static int dispid_cmp(const void *p1, const void *p2)
 197 {
 198     return ((func_info_t*)p1)->id - ((func_info_t*)p2)->id;
 199 }
 200
 201 static int func_name_cmp(const void *p1, const void *p2)
 202 {
 203     return strcmpiW((*(func_info_t**)p1)->name, (*(func_info_t**)p2)->name);
 204 }
 205
 206 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 207 {
 208     const tid_t *tid = This->data->iface_tids;
 209     FUNCDESC *funcdesc;
 210     dispex_data_t *data;
 211     DWORD size = 16, i;
 212     ITypeInfo *ti, *dti;
 213     HRESULT hres;
 214
 215     TRACE("(%p)\n", This);
 216
 217     hres = get_typeinfo(This->data->disp_tid, &dti);
 218     if(FAILED(hres)) {
 219         ERR("Could not get disp type info: %08x\n", hres);
 220         return NULL;
 221     }
 222
 223     data = heap_alloc(sizeof(dispex_data_t));
 224     data->func_cnt = 0;
 225     data->funcs = heap_alloc(size*sizeof(func_info_t));
 226     list_add_tail(&dispex_data_list, &data->entry);
 227
 228     while(*tid) {
 229         hres = get_typeinfo(*tid, &ti);
 230         if(FAILED(hres))
 231             break;
 232
 233         i=0;
 234         while(1) {
 235             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 236             if(FAILED(hres))
 237                 break;
 238
 239             add_func_info(data, &size, *tid, funcdesc->memid, dti);
 240             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 241         }
 242
 243         ITypeInfo_Release(ti);
 244         tid++;
 245     }
 246
 247     if(!data->func_cnt) {
 248         heap_free(data->funcs);
 249         data->funcs = NULL;
 250     }else if(data->func_cnt != size) {
 251         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 252     }
 253
 254     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 255
 256     if(data->funcs) {
 257         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 258         for(i=0; i < data->func_cnt; i++)
 259             data->name_table[i] = data->funcs+i;
 260         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 261     }else {
 262         data->name_table = NULL;
 263     }
 264
 265     ITypeInfo_Release(dti);
 266     return data;
 267 }
 268
 269 static CRITICAL_SECTION cs_dispex_static_data;
 270 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 271 {
 272     0, 0, &cs_dispex_static_data,
 273     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 274       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 275 };
 276 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 277
 278
 279 static dispex_data_t *get_dispex_data(DispatchEx *This)
 280 {
 281     if(This->data->data)
 282         return This->data->data;
 283
 284     EnterCriticalSection(&cs_dispex_static_data);
 285
 286     if(!This->data->data)
 287         This->data->data = preprocess_dispex_data(This);
 288
 289     LeaveCriticalSection(&cs_dispex_static_data);
 290
 291     return This->data->data;
 292 }
 293
 294 static inline BOOL is_custom_dispid(DISPID id)
 295 {
 296     return MSXML_DISPID_CUSTOM_MIN <= id && id <= MSXML_DISPID_CUSTOM_MAX;
 297 }
 298
 299 static inline BOOL is_dynamic_dispid(DISPID id)
 300 {
 301     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 302 }
 303
 304 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
 305 {
 306     return (DispatchEx*)((char*)iface - FIELD_OFFSET(DispatchEx, lpIDispatchExVtbl));
 307 }
 308
 309 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 310 {
 311     DispatchEx *This = impl_from_IDispatchEx(iface);
 312
 313     return IUnknown_QueryInterface(This->outer, riid, ppv);
 314 }
 315
 316 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 317 {
 318     DispatchEx *This = impl_from_IDispatchEx(iface);
 319
 320     return IUnknown_AddRef(This->outer);
 321 }
 322
 323 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 324 {
 325     DispatchEx *This = impl_from_IDispatchEx(iface);
 326
 327     return IUnknown_Release(This->outer);
 328 }
 329
 330 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 331 {
 332     DispatchEx *This = impl_from_IDispatchEx(iface);
 333
 334     TRACE("(%p)->(%p)\n", This, pctinfo);
 335
 336     *pctinfo = 1;
 337     return S_OK;
 338 }
 339
 340 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 341                                               LCID lcid, ITypeInfo **ppTInfo)
 342 {
 343     DispatchEx *This = impl_from_IDispatchEx(iface);
 344
 345     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 346
 347     return get_typeinfo(This->data->disp_tid, ppTInfo);
 348 }
 349
 350 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 351                                                 LPOLESTR *rgszNames, UINT cNames,
 352                                                 LCID lcid, DISPID *rgDispId)
 353 {
 354     DispatchEx *This = impl_from_IDispatchEx(iface);
 355     UINT i;
 356     HRESULT hres;
 357
 358     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 359           lcid, rgDispId);
 360
 361     for(i=0; i < cNames; i++) {
 362         hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
 363         if(FAILED(hres))
 364             return hres;
 365     }
 366
 367     return S_OK;
 368 }
 369
 370 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 371                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 372                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 373 {
 374     DispatchEx *This = impl_from_IDispatchEx(iface);
 375
 376     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 377           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 378
 379     return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
 380                                 pDispParams, pVarResult, pExcepInfo, NULL);
 381 }
 382
 383 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 384 {
 385     DispatchEx *This = impl_from_IDispatchEx(iface);
 386     dispex_data_t *data;
 387     int min, max, n, c;
 388
 389     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 390
 391     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit))
 392         FIXME("Unsupported grfdex %x\n", grfdex);
 393
 394     data = get_dispex_data(This);
 395     if(!data)
 396         return E_FAIL;
 397
 398     min = 0;
 399     max = data->func_cnt-1;
 400
 401     while(min <= max) {
 402         n = (min+max)/2;
 403
 404         c = strcmpiW(data->name_table[n]->name, bstrName);
 405         if(!c) {
 406             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
 407                 break;
 408
 409             *pid = data->name_table[n]->id;
 410             return S_OK;
 411         }
 412
 413         if(c > 0)
 414             max = n-1;
 415         else
 416             min = n+1;
 417     }
 418
 419     if(This->dynamic_data) {
 420         unsigned i;
 421
 422         for(i=0; i < This->dynamic_data->prop_cnt; i++) {
 423             if(!strcmpW(This->dynamic_data->props[i].name, bstrName)) {
 424                 *pid = DISPID_DYNPROP_0 + i;
 425                 return S_OK;
 426             }
 427         }
 428     }
 429
 430     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 431         HRESULT hres;
 432
 433         hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
 434         if(hres != DISP_E_UNKNOWNNAME)
 435             return hres;
 436     }
 437
 438     if(grfdex & fdexNameEnsure) {
 439         TRACE("creating dynamic prop %s\n", debugstr_w(bstrName));
 440
 441         if(!This->dynamic_data) {
 442             This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
 443             This->dynamic_data->props = heap_alloc(This->dynamic_data->buf_size = 4);
 444         }else if(This->dynamic_data->buf_size == This->dynamic_data->prop_cnt) {
 445             This->dynamic_data->props = heap_realloc(This->dynamic_data->props, This->dynamic_data->buf_size<<=1);
 446         }
 447
 448         This->dynamic_data->props[This->dynamic_data->prop_cnt].name = heap_strdupW(bstrName);
 449         VariantInit(&This->dynamic_data->props[This->dynamic_data->prop_cnt].var);
 450         *pid = DISPID_DYNPROP_0 + This->dynamic_data->prop_cnt++;
 451
 452         return S_OK;
 453     }
 454
 455     TRACE("not found %s\n", debugstr_w(bstrName));
 456     return DISP_E_UNKNOWNNAME;
 457 }
 458
 459 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 460         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 461 {
 462     DispatchEx *This = impl_from_IDispatchEx(iface);
 463     IUnknown *unk;
 464     ITypeInfo *ti;
 465     dispex_data_t *data;
 466     UINT argerr=0;
 467     int min, max, n;
 468     HRESULT hres;
 469
 470     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 471
 472     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 473         return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei);
 474
 475     if(wFlags == DISPATCH_CONSTRUCT) {
 476         FIXME("DISPATCH_CONSTRUCT not implemented\n");
 477         return E_NOTIMPL;
 478     }
 479
 480     if(is_dynamic_dispid(id)) {
 481         DWORD idx = id - DISPID_DYNPROP_0;
 482         VARIANT *var;
 483
 484         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 485             return DISP_E_UNKNOWNNAME;
 486
 487         var = &This->dynamic_data->props[idx].var;
 488
 489         switch(wFlags) {
 490         case INVOKE_PROPERTYGET:
 491             return VariantCopy(pvarRes, var);
 492         case INVOKE_PROPERTYPUT:
 493             VariantClear(var);
 494             return VariantCopy(var, pdp->rgvarg);
 495         default:
 496             FIXME("unhandled wFlags %x\n", wFlags);
 497             return E_NOTIMPL;
 498         }
 499     }
 500
 501     data = get_dispex_data(This);
 502     if(!data)
 503         return E_FAIL;
 504
 505     min = 0;
 506     max = data->func_cnt-1;
 507
 508     while(min <= max) {
 509         n = (min+max)/2;
 510
 511         if(data->funcs[n].id == id)
 512             break;
 513
 514         if(data->funcs[n].id < id)
 515             min = n+1;
 516         else
 517             max = n-1;
 518     }
 519
 520     if(min > max) {
 521         WARN("invalid id %x\n", id);
 522         return DISP_E_UNKNOWNNAME;
 523     }
 524
 525     hres = get_typeinfo(data->funcs[n].tid, &ti);
 526     if(FAILED(hres)) {
 527         ERR("Could not get type info: %08x\n", hres);
 528         return hres;
 529     }
 530
 531     hres = IUnknown_QueryInterface(This->outer, tid_ids[data->funcs[n].tid], (void**)&unk);
 532     if(FAILED(hres)) {
 533         ERR("Could not get iface: %08x\n", hres);
 534         return E_FAIL;
 535     }
 536
 537     hres = ITypeInfo_Invoke(ti, unk, id, wFlags, pdp, pvarRes, pei, &argerr);
 538
 539     ITypeInfo_Release(ti);
 540     IUnknown_Release(unk);
 541     return hres;
 542 }
 543
 544 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 545 {
 546     DispatchEx *This = impl_from_IDispatchEx(iface);
 547     TRACE("Not implemented in native msxml3 (%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 548     return E_NOTIMPL;
 549 }
 550
 551 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 552 {
 553     DispatchEx *This = impl_from_IDispatchEx(iface);
 554     TRACE("Not implemented in native msxml3 (%p)->(%x)\n", This, id);
 555     return E_NOTIMPL;
 556 }
 557
 558 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 559 {
 560     DispatchEx *This = impl_from_IDispatchEx(iface);
 561     TRACE("Not implemented in native msxml3 (%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 562     return E_NOTIMPL;
 563 }
 564
 565 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 566 {
 567     DispatchEx *This = impl_from_IDispatchEx(iface);
 568     TRACE("Not implemented in native msxml3 (%p)->(%x %p)\n", This, id, pbstrName);
 569     return E_NOTIMPL;
 570 }
 571
 572 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 573 {
 574     DispatchEx *This = impl_from_IDispatchEx(iface);
 575     TRACE(" Not implemented in native msxml3 (%p)->(%x %x %p)\n", This, grfdex, id, pid);
 576     return E_NOTIMPL;
 577 }
 578
 579 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 580 {
 581     DispatchEx *This = impl_from_IDispatchEx(iface);
 582     TRACE("Not implemented in native msxml3 (%p)->(%p)\n", This, ppunk);
 583     return E_NOTIMPL;
 584 }
 585
 586 static IDispatchExVtbl DispatchExVtbl = {
 587     DispatchEx_QueryInterface,
 588     DispatchEx_AddRef,
 589     DispatchEx_Release,
 590     DispatchEx_GetTypeInfoCount,
 591     DispatchEx_GetTypeInfo,
 592     DispatchEx_GetIDsOfNames,
 593     DispatchEx_Invoke,
 594     DispatchEx_GetDispID,
 595     DispatchEx_InvokeEx,
 596     DispatchEx_DeleteMemberByName,
 597     DispatchEx_DeleteMemberByDispID,
 598     DispatchEx_GetMemberProperties,
 599     DispatchEx_GetMemberName,
 600     DispatchEx_GetNextDispID,
 601     DispatchEx_GetNameSpaceParent
 602 };
 603
 604 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
 605 {
 606     static const IID IID_UndocumentedScriptIface =
 607         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
 608
 609     if(IsEqualGUID(&IID_IDispatch, riid)) {
 610         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 611         *ppv = DISPATCHEX(This);
 612     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 613         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 614         *ppv = DISPATCHEX(This);
 615     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
 616         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
 617         *ppv = NULL;
 618     }else {
 619         return FALSE;
 620     }
 621
 622     if(*ppv)
 623         IUnknown_AddRef((IUnknown*)*ppv);
 624     return TRUE;
 625 }
 626
 627 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
 628 {
 629     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
 630     dispex->outer = outer;
 631     dispex->data = data;
 632 }