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