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_IXMLDOMDocument2,
  83     &IID_IXMLDOMDocumentFragment,
  84     &IID_IXMLDOMElement,
  85     &IID_IXMLDOMEntityReference,
  86     &IID_IXMLDOMImplementation,
  87     &IID_IXMLDOMNamedNodeMap,
  88     &IID_IXMLDOMNode,
  89     &IID_IXMLDOMNodeList,
  90     &IID_IXMLDOMParseError,
  91     &IID_IXMLDOMProcessingInstruction,
  92     &IID_IXMLDOMSchemaCollection,
  93     &IID_IXMLDOMText,
  94     &IID_IXMLElement,
  95     &IID_IXMLDOMDocument,
  96     &IID_IVBSAXAttributes,
  97     &IID_IVBSAXContentHandler,
  98     &IID_IVBSAXDeclHandler,
  99     &IID_IVBSAXDTDHandler,
 100     &IID_IVBSAXEntityResolver,
 101     &IID_IVBSAXErrorHandler,
 102     &IID_IVBSAXLexicalHandler,
 103     &IID_IVBSAXLocator,
 104     &IID_IVBSAXXMLFilter,
 105     &IID_IVBSAXXMLReader,
 106     &IID_IMXAttributes,
 107     &IID_IMXReaderControl,
 108     &IID_IMXWriter,
 109 };
 110
 111 HRESULT get_typeinfo(enum tid_t tid, ITypeInfo **typeinfo)
 112 {
 113     HRESULT hres;
 114
 115     if(!typelib) {
 116         ITypeLib *tl;
 117
 118         hres = LoadRegTypeLib(&LIBID_MSXML2, 3, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 119         if(FAILED(hres)) {
 120             ERR("LoadRegTypeLib failed: %08x\n", hres);
 121             return hres;
 122         }
 123
 124         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 125             ITypeLib_Release(tl);
 126     }
 127
 128     if(!typeinfos[tid]) {
 129         ITypeInfo *typeinfo;
 130
 131         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
 132         if(FAILED(hres)) {
 133             ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
 134             return hres;
 135         }
 136
 137         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
 138             ITypeInfo_Release(typeinfo);
 139     }
 140
 141     *typeinfo = typeinfos[tid];
 142
 143     ITypeInfo_AddRef(typeinfos[tid]);
 144     return S_OK;
 145 }
 146
 147 void release_typelib(void)
 148 {
 149     dispex_data_t *iter;
 150     unsigned i;
 151
 152     while(!list_empty(&dispex_data_list)) {
 153         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 154         list_remove(&iter->entry);
 155
 156         for(i=0; i < iter->func_cnt; i++)
 157             SysFreeString(iter->funcs[i].name);
 158
 159         heap_free(iter->funcs);
 160         heap_free(iter->name_table);
 161         heap_free(iter);
 162     }
 163
 164     if(!typelib)
 165         return;
 166
 167     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 168         if(typeinfos[i])
 169             ITypeInfo_Release(typeinfos[i]);
 170
 171     ITypeLib_Release(typelib);
 172 }
 173
 174 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, DISPID id, ITypeInfo *dti)
 175 {
 176     HRESULT hres;
 177
 178     if(data->func_cnt && data->funcs[data->func_cnt-1].id == id)
 179         return;
 180
 181     if(data->func_cnt == *size)
 182         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 183
 184     hres = ITypeInfo_GetDocumentation(dti, id, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 185     if(FAILED(hres))
 186         return;
 187
 188     data->funcs[data->func_cnt].id = id;
 189     data->funcs[data->func_cnt].tid = tid;
 190
 191     data->func_cnt++;
 192 }
 193
 194 static int dispid_cmp(const void *p1, const void *p2)
 195 {
 196     return ((func_info_t*)p1)->id - ((func_info_t*)p2)->id;
 197 }
 198
 199 static int func_name_cmp(const void *p1, const void *p2)
 200 {
 201     return strcmpiW((*(func_info_t**)p1)->name, (*(func_info_t**)p2)->name);
 202 }
 203
 204 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 205 {
 206     const tid_t *tid = This->data->iface_tids;
 207     FUNCDESC *funcdesc;
 208     dispex_data_t *data;
 209     DWORD size = 16, i;
 210     ITypeInfo *ti, *dti;
 211     HRESULT hres;
 212
 213     TRACE("(%p)\n", This);
 214
 215     hres = get_typeinfo(This->data->disp_tid, &dti);
 216     if(FAILED(hres)) {
 217         ERR("Could not get disp type info: %08x\n", hres);
 218         return NULL;
 219     }
 220
 221     data = heap_alloc(sizeof(dispex_data_t));
 222     data->func_cnt = 0;
 223     data->funcs = heap_alloc(size*sizeof(func_info_t));
 224     list_add_tail(&dispex_data_list, &data->entry);
 225
 226     while(*tid) {
 227         hres = get_typeinfo(*tid, &ti);
 228         if(FAILED(hres))
 229             break;
 230
 231         i=0;
 232         while(1) {
 233             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 234             if(FAILED(hres))
 235                 break;
 236
 237             add_func_info(data, &size, *tid, funcdesc->memid, dti);
 238             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 239         }
 240
 241         ITypeInfo_Release(ti);
 242         tid++;
 243     }
 244
 245     if(!data->func_cnt) {
 246         heap_free(data->funcs);
 247         data->funcs = NULL;
 248     }else if(data->func_cnt != size) {
 249         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 250     }
 251
 252     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 253
 254     if(data->funcs) {
 255         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 256         for(i=0; i < data->func_cnt; i++)
 257             data->name_table[i] = data->funcs+i;
 258         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 259     }else {
 260         data->name_table = NULL;
 261     }
 262
 263     ITypeInfo_Release(dti);
 264     return data;
 265 }
 266
 267 static CRITICAL_SECTION cs_dispex_static_data;
 268 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 269 {
 270     0, 0, &cs_dispex_static_data,
 271     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 272       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 273 };
 274 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 275
 276
 277 static dispex_data_t *get_dispex_data(DispatchEx *This)
 278 {
 279     if(This->data->data)
 280         return This->data->data;
 281
 282     EnterCriticalSection(&cs_dispex_static_data);
 283
 284     if(!This->data->data)
 285         This->data->data = preprocess_dispex_data(This);
 286
 287     LeaveCriticalSection(&cs_dispex_static_data);
 288
 289     return This->data->data;
 290 }
 291
 292 static inline BOOL is_custom_dispid(DISPID id)
 293 {
 294     return MSXML_DISPID_CUSTOM_MIN <= id && id <= MSXML_DISPID_CUSTOM_MAX;
 295 }
 296
 297 static inline BOOL is_dynamic_dispid(DISPID id)
 298 {
 299     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 300 }
 301
 302 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
 303 {
 304     return (DispatchEx*)((char*)iface - FIELD_OFFSET(DispatchEx, lpIDispatchExVtbl));
 305 }
 306
 307 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 308 {
 309     DispatchEx *This = impl_from_IDispatchEx(iface);
 310
 311     return IUnknown_QueryInterface(This->outer, riid, ppv);
 312 }
 313
 314 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 315 {
 316     DispatchEx *This = impl_from_IDispatchEx(iface);
 317
 318     return IUnknown_AddRef(This->outer);
 319 }
 320
 321 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 322 {
 323     DispatchEx *This = impl_from_IDispatchEx(iface);
 324
 325     return IUnknown_Release(This->outer);
 326 }
 327
 328 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 329 {
 330     DispatchEx *This = impl_from_IDispatchEx(iface);
 331
 332     TRACE("(%p)->(%p)\n", This, pctinfo);
 333
 334     *pctinfo = 1;
 335     return S_OK;
 336 }
 337
 338 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 339                                               LCID lcid, ITypeInfo **ppTInfo)
 340 {
 341     DispatchEx *This = impl_from_IDispatchEx(iface);
 342
 343     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 344
 345     return get_typeinfo(This->data->disp_tid, ppTInfo);
 346 }
 347
 348 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 349                                                 LPOLESTR *rgszNames, UINT cNames,
 350                                                 LCID lcid, DISPID *rgDispId)
 351 {
 352     DispatchEx *This = impl_from_IDispatchEx(iface);
 353     UINT i;
 354     HRESULT hres;
 355
 356     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 357           lcid, rgDispId);
 358
 359     for(i=0; i < cNames; i++) {
 360         hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
 361         if(FAILED(hres))
 362             return hres;
 363     }
 364
 365     return S_OK;
 366 }
 367
 368 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 369                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 370                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 371 {
 372     DispatchEx *This = impl_from_IDispatchEx(iface);
 373
 374     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 375           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 376
 377     return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
 378                                 pDispParams, pVarResult, pExcepInfo, NULL);
 379 }
 380
 381 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 382 {
 383     DispatchEx *This = impl_from_IDispatchEx(iface);
 384     dispex_data_t *data;
 385     int min, max, n, c;
 386
 387     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 388
 389     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit))
 390         FIXME("Unsupported grfdex %x\n", grfdex);
 391
 392     data = get_dispex_data(This);
 393     if(!data)
 394         return E_FAIL;
 395
 396     min = 0;
 397     max = data->func_cnt-1;
 398
 399     while(min <= max) {
 400         n = (min+max)/2;
 401
 402         c = strcmpiW(data->name_table[n]->name, bstrName);
 403         if(!c) {
 404             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
 405                 break;
 406
 407             *pid = data->name_table[n]->id;
 408             return S_OK;
 409         }
 410
 411         if(c > 0)
 412             max = n-1;
 413         else
 414             min = n+1;
 415     }
 416
 417     if(This->dynamic_data) {
 418         unsigned i;
 419
 420         for(i=0; i < This->dynamic_data->prop_cnt; i++) {
 421             if(!strcmpW(This->dynamic_data->props[i].name, bstrName)) {
 422                 *pid = DISPID_DYNPROP_0 + i;
 423                 return S_OK;
 424             }
 425         }
 426     }
 427
 428     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 429         HRESULT hres;
 430
 431         hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
 432         if(hres != DISP_E_UNKNOWNNAME)
 433             return hres;
 434     }
 435
 436     if(grfdex & fdexNameEnsure) {
 437         TRACE("creating dynamic prop %s\n", debugstr_w(bstrName));
 438
 439         if(!This->dynamic_data) {
 440             This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
 441             This->dynamic_data->props = heap_alloc(This->dynamic_data->buf_size = 4);
 442         }else if(This->dynamic_data->buf_size == This->dynamic_data->prop_cnt) {
 443             This->dynamic_data->props = heap_realloc(This->dynamic_data->props, This->dynamic_data->buf_size<<=1);
 444         }
 445
 446         This->dynamic_data->props[This->dynamic_data->prop_cnt].name = heap_strdupW(bstrName);
 447         VariantInit(&This->dynamic_data->props[This->dynamic_data->prop_cnt].var);
 448         *pid = DISPID_DYNPROP_0 + This->dynamic_data->prop_cnt++;
 449
 450         return S_OK;
 451     }
 452
 453     TRACE("not found %s\n", debugstr_w(bstrName));
 454     return DISP_E_UNKNOWNNAME;
 455 }
 456
 457 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 458         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 459 {
 460     DispatchEx *This = impl_from_IDispatchEx(iface);
 461     IUnknown *unk;
 462     ITypeInfo *ti;
 463     dispex_data_t *data;
 464     UINT argerr=0;
 465     int min, max, n;
 466     HRESULT hres;
 467
 468     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 469
 470     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 471         return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei);
 472
 473     if(wFlags == DISPATCH_CONSTRUCT) {
 474         FIXME("DISPATCH_CONSTRUCT not implemented\n");
 475         return E_NOTIMPL;
 476     }
 477
 478     if(is_dynamic_dispid(id)) {
 479         DWORD idx = id - DISPID_DYNPROP_0;
 480         VARIANT *var;
 481
 482         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 483             return DISP_E_UNKNOWNNAME;
 484
 485         var = &This->dynamic_data->props[idx].var;
 486
 487         switch(wFlags) {
 488         case INVOKE_PROPERTYGET:
 489             return VariantCopy(pvarRes, var);
 490         case INVOKE_PROPERTYPUT:
 491             VariantClear(var);
 492             return VariantCopy(var, pdp->rgvarg);
 493         default:
 494             FIXME("unhandled wFlags %x\n", wFlags);
 495             return E_NOTIMPL;
 496         }
 497     }
 498
 499     data = get_dispex_data(This);
 500     if(!data)
 501         return E_FAIL;
 502
 503     min = 0;
 504     max = data->func_cnt-1;
 505
 506     while(min <= max) {
 507         n = (min+max)/2;
 508
 509         if(data->funcs[n].id == id)
 510             break;
 511
 512         if(data->funcs[n].id < id)
 513             min = n+1;
 514         else
 515             max = n-1;
 516     }
 517
 518     if(min > max) {
 519         WARN("invalid id %x\n", id);
 520         return DISP_E_UNKNOWNNAME;
 521     }
 522
 523     hres = get_typeinfo(data->funcs[n].tid, &ti);
 524     if(FAILED(hres)) {
 525         ERR("Could not get type info: %08x\n", hres);
 526         return hres;
 527     }
 528
 529     hres = IUnknown_QueryInterface(This->outer, tid_ids[data->funcs[n].tid], (void**)&unk);
 530     if(FAILED(hres)) {
 531         ERR("Could not get iface: %08x\n", hres);
 532         return E_FAIL;
 533     }
 534
 535     hres = ITypeInfo_Invoke(ti, unk, id, wFlags, pdp, pvarRes, pei, &argerr);
 536
 537     ITypeInfo_Release(ti);
 538     IUnknown_Release(unk);
 539     return hres;
 540 }
 541
 542 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 543 {
 544     DispatchEx *This = impl_from_IDispatchEx(iface);
 545     FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 546     return S_OK;
 547 }
 548
 549 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 550 {
 551     DispatchEx *This = impl_from_IDispatchEx(iface);
 552     FIXME("(%p)->(%x)\n", This, id);
 553     return E_NOTIMPL;
 554 }
 555
 556 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 557 {
 558     DispatchEx *This = impl_from_IDispatchEx(iface);
 559     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 560     return E_NOTIMPL;
 561 }
 562
 563 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 564 {
 565     DispatchEx *This = impl_from_IDispatchEx(iface);
 566     FIXME("(%p)->(%x %p)\n", This, id, pbstrName);
 567     return E_NOTIMPL;
 568 }
 569
 570 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 571 {
 572     DispatchEx *This = impl_from_IDispatchEx(iface);
 573     FIXME("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 574     return E_NOTIMPL;
 575 }
 576
 577 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 578 {
 579     DispatchEx *This = impl_from_IDispatchEx(iface);
 580     FIXME("(%p)->(%p)\n", This, ppunk);
 581     return E_NOTIMPL;
 582 }
 583
 584 static IDispatchExVtbl DispatchExVtbl = {
 585     DispatchEx_QueryInterface,
 586     DispatchEx_AddRef,
 587     DispatchEx_Release,
 588     DispatchEx_GetTypeInfoCount,
 589     DispatchEx_GetTypeInfo,
 590     DispatchEx_GetIDsOfNames,
 591     DispatchEx_Invoke,
 592     DispatchEx_GetDispID,
 593     DispatchEx_InvokeEx,
 594     DispatchEx_DeleteMemberByName,
 595     DispatchEx_DeleteMemberByDispID,
 596     DispatchEx_GetMemberProperties,
 597     DispatchEx_GetMemberName,
 598     DispatchEx_GetNextDispID,
 599     DispatchEx_GetNameSpaceParent
 600 };
 601
 602 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
 603 {
 604     static const IID IID_UndocumentedScriptIface =
 605         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
 606
 607     if(IsEqualGUID(&IID_IDispatch, riid)) {
 608         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 609         *ppv = DISPATCHEX(This);
 610     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 611         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 612         *ppv = DISPATCHEX(This);
 613     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
 614         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
 615         *ppv = NULL;
 616     }else {
 617         return FALSE;
 618     }
 619
 620     if(*ppv)
 621         IUnknown_AddRef((IUnknown*)*ppv);
 622     return TRUE;
 623 }
 624
 625 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
 626 {
 627     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
 628     dispex->outer = outer;
 629     dispex->data = data;
 630 }