dlls/mshtml/dispex.c

   1 /*
   2  * Copyright 2008-2009 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 #include <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27
  28 #include "wine/debug.h"
  29
  30 #include "mshtml_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  33
  34 static const WCHAR objectW[] = {'[','o','b','j','e','c','t',']',0};
  35
  36 typedef struct {
  37     DISPID id;
  38     BSTR name;
  39     tid_t tid;
  40     int func_disp_idx;
  41 } func_info_t;
  42
  43 struct dispex_data_t {
  44     DWORD func_cnt;
  45     func_info_t *funcs;
  46     func_info_t **name_table;
  47     DWORD func_disp_cnt;
  48
  49     struct list entry;
  50 };
  51
  52 typedef struct {
  53     VARIANT var;
  54     LPWSTR name;
  55     DWORD flags;
  56 } dynamic_prop_t;
  57
  58 #define DYNPROP_DELETED    0x01
  59
  60 typedef struct {
  61     DispatchEx dispex;
  62     IUnknown IUnknown_iface;
  63     DispatchEx *obj;
  64     func_info_t *info;
  65 } func_disp_t;
  66
  67 struct dispex_dynamic_data_t {
  68     DWORD buf_size;
  69     DWORD prop_cnt;
  70     dynamic_prop_t *props;
  71     func_disp_t **func_disps;
  72 };
  73
  74 #define DISPID_DYNPROP_0    0x50000000
  75 #define DISPID_DYNPROP_MAX  0x5fffffff
  76
  77 #define FDEX_VERSION_MASK 0xf0000000
  78
  79 static ITypeLib *typelib;
  80 static ITypeInfo *typeinfos[LAST_tid];
  81 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  82
  83 static REFIID tid_ids[] = {
  84 #define XIID(iface) &IID_ ## iface,
  85 #define XDIID(iface) &DIID_ ## iface,
  86 TID_LIST
  87 #undef XIID
  88 #undef XDIID
  89 };
  90
  91 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
  92 {
  93     HRESULT hres;
  94
  95     if(!typelib) {
  96         ITypeLib *tl;
  97
  98         hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  99         if(FAILED(hres)) {
 100             ERR("LoadRegTypeLib failed: %08x\n", hres);
 101             return hres;
 102         }
 103
 104         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 105             ITypeLib_Release(tl);
 106     }
 107
 108     if(!typeinfos[tid]) {
 109         ITypeInfo *ti;
 110
 111         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
 112         if(FAILED(hres)) {
 113             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 114             return hres;
 115         }
 116
 117         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
 118             ITypeInfo_Release(ti);
 119     }
 120
 121     *typeinfo = typeinfos[tid];
 122     return S_OK;
 123 }
 124
 125 void release_typelib(void)
 126 {
 127     dispex_data_t *iter;
 128     unsigned i;
 129
 130     while(!list_empty(&dispex_data_list)) {
 131         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 132         list_remove(&iter->entry);
 133
 134         for(i=0; i < iter->func_cnt; i++)
 135             SysFreeString(iter->funcs[i].name);
 136
 137         heap_free(iter->funcs);
 138         heap_free(iter->name_table);
 139         heap_free(iter);
 140     }
 141
 142     if(!typelib)
 143         return;
 144
 145     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 146         if(typeinfos[i])
 147             ITypeInfo_Release(typeinfos[i]);
 148
 149     ITypeLib_Release(typelib);
 150 }
 151
 152 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
 153 {
 154     HRESULT hres;
 155
 156     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid)
 157         return;
 158
 159     if(data->func_cnt == *size)
 160         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 161
 162     hres = ITypeInfo_GetDocumentation(dti, desc->memid, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 163     if(FAILED(hres))
 164         return;
 165
 166     data->funcs[data->func_cnt].id = desc->memid;
 167     data->funcs[data->func_cnt].tid = tid;
 168     data->funcs[data->func_cnt].func_disp_idx = (desc->invkind & DISPATCH_METHOD) ? data->func_disp_cnt++ : -1;
 169
 170     data->func_cnt++;
 171 }
 172
 173 static int dispid_cmp(const void *p1, const void *p2)
 174 {
 175     return ((const func_info_t*)p1)->id - ((const func_info_t*)p2)->id;
 176 }
 177
 178 static int func_name_cmp(const void *p1, const void *p2)
 179 {
 180     return strcmpiW((*(func_info_t* const*)p1)->name, (*(func_info_t* const*)p2)->name);
 181 }
 182
 183 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 184 {
 185     const tid_t *tid = This->data->iface_tids;
 186     FUNCDESC *funcdesc;
 187     dispex_data_t *data;
 188     DWORD size = 16, i;
 189     ITypeInfo *ti, *dti;
 190     HRESULT hres;
 191
 192     TRACE("(%p)\n", This);
 193
 194     if(This->data->disp_tid) {
 195         hres = get_typeinfo(This->data->disp_tid, &dti);
 196         if(FAILED(hres)) {
 197             ERR("Could not get disp type info: %08x\n", hres);
 198             return NULL;
 199         }
 200     }
 201
 202     data = heap_alloc(sizeof(dispex_data_t));
 203     data->func_cnt = 0;
 204     data->func_disp_cnt = 0;
 205     data->funcs = heap_alloc(size*sizeof(func_info_t));
 206     list_add_tail(&dispex_data_list, &data->entry);
 207
 208     while(*tid) {
 209         hres = get_typeinfo(*tid, &ti);
 210         if(FAILED(hres))
 211             break;
 212
 213         i=7;
 214         while(1) {
 215             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 216             if(FAILED(hres))
 217                 break;
 218
 219             add_func_info(data, &size, *tid, funcdesc, dti);
 220             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 221         }
 222
 223         tid++;
 224     }
 225
 226     if(!data->func_cnt) {
 227         heap_free(data->funcs);
 228         data->funcs = NULL;
 229     }else if(data->func_cnt != size) {
 230         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 231     }
 232
 233     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 234
 235     if(data->funcs) {
 236         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 237         for(i=0; i < data->func_cnt; i++)
 238             data->name_table[i] = data->funcs+i;
 239         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 240     }else {
 241         data->name_table = NULL;
 242     }
 243
 244     return data;
 245 }
 246
 247 static int id_cmp(const void *p1, const void *p2)
 248 {
 249     return *(const DISPID*)p1 - *(const DISPID*)p2;
 250 }
 251
 252 HRESULT get_dispids(tid_t tid, DWORD *ret_size, DISPID **ret)
 253 {
 254     unsigned i, func_cnt;
 255     FUNCDESC *funcdesc;
 256     ITypeInfo *ti;
 257     TYPEATTR *attr;
 258     DISPID *ids;
 259     HRESULT hres;
 260
 261     hres = get_typeinfo(tid, &ti);
 262     if(FAILED(hres))
 263         return hres;
 264
 265     hres = ITypeInfo_GetTypeAttr(ti, &attr);
 266     if(FAILED(hres)) {
 267         ITypeInfo_Release(ti);
 268         return hres;
 269     }
 270
 271     func_cnt = attr->cFuncs;
 272     ITypeInfo_ReleaseTypeAttr(ti, attr);
 273
 274     ids = heap_alloc(func_cnt*sizeof(DISPID));
 275     if(!ids) {
 276         ITypeInfo_Release(ti);
 277         return E_OUTOFMEMORY;
 278     }
 279
 280     for(i=0; i < func_cnt; i++) {
 281         hres = ITypeInfo_GetFuncDesc(ti, i, &funcdesc);
 282         if(FAILED(hres))
 283             break;
 284
 285         ids[i] = funcdesc->memid;
 286         ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 287     }
 288
 289     ITypeInfo_Release(ti);
 290     if(FAILED(hres)) {
 291         heap_free(ids);
 292         return hres;
 293     }
 294
 295     qsort(ids, func_cnt, sizeof(DISPID), id_cmp);
 296
 297     *ret_size = func_cnt;
 298     *ret = ids;
 299     return S_OK;
 300 }
 301
 302 static CRITICAL_SECTION cs_dispex_static_data;
 303 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 304 {
 305     0, 0, &cs_dispex_static_data,
 306     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 307       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 308 };
 309 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 310
 311
 312 static dispex_data_t *get_dispex_data(DispatchEx *This)
 313 {
 314     if(This->data->data)
 315         return This->data->data;
 316
 317     EnterCriticalSection(&cs_dispex_static_data);
 318
 319     if(!This->data->data)
 320         This->data->data = preprocess_dispex_data(This);
 321
 322     LeaveCriticalSection(&cs_dispex_static_data);
 323
 324     return This->data->data;
 325 }
 326
 327 static inline BOOL is_custom_dispid(DISPID id)
 328 {
 329     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 330 }
 331
 332 static inline BOOL is_dynamic_dispid(DISPID id)
 333 {
 334     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 335 }
 336
 337 static HRESULT variant_copy(VARIANT *dest, VARIANT *src)
 338 {
 339     if(V_VT(src) == VT_BSTR && !V_BSTR(src)) {
 340         V_VT(dest) = VT_BSTR;
 341         V_BSTR(dest) = NULL;
 342         return S_OK;
 343     }
 344
 345     return VariantCopy(dest, src);
 346 }
 347
 348 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This, BOOL alloc)
 349 {
 350     return !alloc || This->dynamic_data
 351         ? This->dynamic_data
 352         : (This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t)));
 353 }
 354
 355 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
 356 {
 357     const BOOL alloc = flags & fdexNameEnsure;
 358     dispex_dynamic_data_t *data;
 359     dynamic_prop_t *prop;
 360
 361     data = get_dynamic_data(This, alloc);
 362     if(!data) {
 363         if(alloc)
 364             return E_OUTOFMEMORY;
 365
 366         TRACE("not found %s\n", debugstr_w(name));
 367         return DISP_E_UNKNOWNNAME;
 368     }
 369
 370     for(prop = data->props; prop < data->props+data->prop_cnt; prop++) {
 371         if(flags & fdexNameCaseInsensitive ? !strcmpiW(prop->name, name) : !strcmpW(prop->name, name)) {
 372             if(prop->flags & DYNPROP_DELETED) {
 373                 if(!alloc)
 374                     return DISP_E_UNKNOWNNAME;
 375                 prop->flags &= ~DYNPROP_DELETED;
 376             }
 377             *ret = prop;
 378             return S_OK;
 379         }
 380     }
 381
 382     if(!alloc)
 383         return DISP_E_UNKNOWNNAME;
 384
 385     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 386
 387     if(!data->buf_size) {
 388         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 389         if(!data->props)
 390             return E_OUTOFMEMORY;
 391         data->buf_size = 4;
 392     }else if(data->buf_size == data->prop_cnt) {
 393         dynamic_prop_t *new_props;
 394
 395         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 396         if(!new_props)
 397             return E_OUTOFMEMORY;
 398
 399         data->props = new_props;
 400         data->buf_size <<= 1;
 401     }
 402
 403     prop = data->props + data->prop_cnt;
 404
 405     prop->name = heap_strdupW(name);
 406     if(!prop->name)
 407         return E_OUTOFMEMORY;
 408
 409     VariantInit(&prop->var);
 410     prop->flags = 0;
 411     data->prop_cnt++;
 412     *ret = prop;
 413     return S_OK;
 414 }
 415
 416 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 417 {
 418     dynamic_prop_t *prop;
 419     HRESULT hres;
 420
 421     hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
 422     if(FAILED(hres))
 423         return hres;
 424
 425     *ret = &prop->var;
 426     return S_OK;
 427 }
 428
 429 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 430         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 431 {
 432     if(This->data->vtbl && This->data->vtbl->value)
 433         return This->data->vtbl->value(This, lcid, flags, params, res, ei, caller);
 434
 435     switch(flags) {
 436     case DISPATCH_PROPERTYGET:
 437         V_VT(res) = VT_BSTR;
 438         V_BSTR(res) = SysAllocString(objectW);
 439         if(!V_BSTR(res))
 440             return E_OUTOFMEMORY;
 441         break;
 442     default:
 443         FIXME("Unimplemented flags %x\n", flags);
 444         return E_NOTIMPL;
 445     }
 446
 447     return S_OK;
 448 }
 449
 450 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 451         EXCEPINFO *ei)
 452 {
 453     ITypeInfo *ti;
 454     IUnknown *unk;
 455     UINT argerr=0;
 456     HRESULT hres;
 457
 458     hres = get_typeinfo(func->tid, &ti);
 459     if(FAILED(hres)) {
 460         ERR("Could not get type info: %08x\n", hres);
 461         return hres;
 462     }
 463
 464     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 465     if(FAILED(hres)) {
 466         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 467         return E_FAIL;
 468     }
 469
 470     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 471
 472     IUnknown_Release(unk);
 473     return hres;
 474 }
 475
 476 static inline func_disp_t *impl_from_IUnknown(IUnknown *iface)
 477 {
 478     return CONTAINING_RECORD(iface, func_disp_t, IUnknown_iface);
 479 }
 480
 481 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 482 {
 483     func_disp_t *This = impl_from_IUnknown(iface);
 484
 485     if(IsEqualGUID(&IID_IUnknown, riid)) {
 486         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 487         *ppv = &This->IUnknown_iface;
 488     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 489         return *ppv ? S_OK : E_NOINTERFACE;
 490     }else {
 491         *ppv = NULL;
 492         return E_NOINTERFACE;
 493     }
 494
 495     IUnknown_AddRef((IUnknown*)*ppv);
 496     return S_OK;
 497 }
 498
 499 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 500 {
 501     func_disp_t *This = impl_from_IUnknown(iface);
 502
 503     TRACE("(%p)\n", This);
 504
 505     return IDispatchEx_AddRef(&This->obj->IDispatchEx_iface);
 506 }
 507
 508 static ULONG WINAPI Function_Release(IUnknown *iface)
 509 {
 510     func_disp_t *This = impl_from_IUnknown(iface);
 511
 512     TRACE("(%p)\n", This);
 513
 514     return IDispatchEx_Release(&This->obj->IDispatchEx_iface);
 515 }
 516
 517 static const IUnknownVtbl FunctionUnkVtbl = {
 518     Function_QueryInterface,
 519     Function_AddRef,
 520     Function_Release
 521 };
 522
 523 static inline func_disp_t *impl_from_DispatchEx(DispatchEx *iface)
 524 {
 525     return CONTAINING_RECORD(iface, func_disp_t, dispex);
 526 }
 527
 528 static HRESULT function_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *params,
 529         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 530 {
 531     func_disp_t *This = impl_from_DispatchEx(dispex);
 532     HRESULT hres;
 533
 534     switch(flags) {
 535     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 536         if(!res)
 537             return E_INVALIDARG;
 538     case DISPATCH_METHOD:
 539         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 540         break;
 541     default:
 542         FIXME("Unimplemented flags %x\n", flags);
 543         hres = E_NOTIMPL;
 544     }
 545
 546     return hres;
 547 }
 548
 549 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 550     function_value,
 551     NULL,
 552     NULL
 553 };
 554
 555 static const tid_t function_iface_tids[] = {0};
 556
 557 static dispex_static_data_t function_dispex = {
 558     &function_dispex_vtbl,
 559     NULL_tid,
 560     NULL,
 561     function_iface_tids
 562 };
 563
 564 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 565 {
 566     func_disp_t *ret;
 567
 568     ret = heap_alloc_zero(sizeof(func_disp_t));
 569     if(!ret)
 570         return NULL;
 571
 572     ret->IUnknown_iface.lpVtbl = &FunctionUnkVtbl;
 573     init_dispex(&ret->dispex, &ret->IUnknown_iface,  &function_dispex);
 574     ret->obj = obj;
 575     ret->info = info;
 576
 577     return ret;
 578 }
 579
 580 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 581         EXCEPINFO *ei)
 582 {
 583     HRESULT hres;
 584
 585     switch(flags) {
 586     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 587         if(!res)
 588             return E_INVALIDARG;
 589     case DISPATCH_METHOD:
 590         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 591         break;
 592     case DISPATCH_PROPERTYGET: {
 593         dispex_dynamic_data_t *dynamic_data;
 594
 595         if(func->id == DISPID_VALUE) {
 596             BSTR ret;
 597
 598             ret = SysAllocString(objectW);
 599             if(!ret)
 600                 return E_OUTOFMEMORY;
 601
 602             V_VT(res) = VT_BSTR;
 603             V_BSTR(res) = ret;
 604             return S_OK;
 605         }
 606
 607         dynamic_data = get_dynamic_data(This, TRUE);
 608         if(!dynamic_data)
 609             return E_OUTOFMEMORY;
 610
 611         if(!dynamic_data->func_disps) {
 612             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 613             if(!dynamic_data->func_disps)
 614                 return E_OUTOFMEMORY;
 615         }
 616
 617         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 618             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 619             if(!dynamic_data->func_disps[func->func_disp_idx])
 620                 return E_OUTOFMEMORY;
 621         }
 622
 623         V_VT(res) = VT_DISPATCH;
 624         V_DISPATCH(res) = (IDispatch*)&dynamic_data->func_disps[func->func_disp_idx]->dispex.IDispatchEx_iface;
 625         IDispatch_AddRef(V_DISPATCH(res));
 626         hres = S_OK;
 627         break;
 628     }
 629     default:
 630         FIXME("Unimplemented flags %x\n", flags);
 631     case DISPATCH_PROPERTYPUT:
 632         hres = E_NOTIMPL;
 633     }
 634
 635     return hres;
 636 }
 637
 638 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 639 {
 640     int min, max, n;
 641
 642     min = 0;
 643     max = data->func_cnt-1;
 644
 645     while(min <= max) {
 646         n = (min+max)/2;
 647
 648         if(data->funcs[n].id == id) {
 649             *ret = data->funcs+n;
 650             return S_OK;
 651         }
 652
 653         if(data->funcs[n].id < id)
 654             min = n+1;
 655         else
 656             max = n-1;
 657     }
 658
 659     WARN("invalid id %x\n", id);
 660     return DISP_E_UNKNOWNNAME;
 661 }
 662
 663 static HRESULT get_builtin_id(DispatchEx *This, BSTR name, DWORD grfdex, DISPID *ret)
 664 {
 665     dispex_data_t *data;
 666     int min, max, n, c;
 667
 668     data = get_dispex_data(This);
 669     if(!data)
 670         return E_FAIL;
 671
 672     min = 0;
 673     max = data->func_cnt-1;
 674
 675     while(min <= max) {
 676         n = (min+max)/2;
 677
 678         c = strcmpiW(data->name_table[n]->name, name);
 679         if(!c) {
 680             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, name))
 681                 break;
 682
 683             *ret = data->name_table[n]->id;
 684             return S_OK;
 685         }
 686
 687         if(c > 0)
 688             max = n-1;
 689         else
 690             min = n+1;
 691     }
 692
 693     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 694         HRESULT hres;
 695
 696         hres = This->data->vtbl->get_dispid(This, name, grfdex, ret);
 697         if(hres != DISP_E_UNKNOWNNAME)
 698             return hres;
 699     }
 700
 701     return DISP_E_UNKNOWNNAME;
 702 }
 703
 704 static HRESULT invoke_builtin_prop(DispatchEx *This, DISPID id, LCID lcid, WORD flags, DISPPARAMS *dp,
 705         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 706 {
 707     dispex_data_t *data;
 708     func_info_t *func;
 709     HRESULT hres;
 710
 711     data = get_dispex_data(This);
 712     if(!data)
 713         return E_FAIL;
 714
 715     hres = get_builtin_func(data, id, &func);
 716     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 717         return dispex_value(This, lcid, flags, dp, res, ei, caller);
 718     if(FAILED(hres))
 719         return hres;
 720
 721     if(func->func_disp_idx == -1)
 722         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 723     else
 724         hres = function_invoke(This, func, flags, dp, res, ei);
 725
 726     return hres;
 727 }
 728
 729 HRESULT remove_prop(DispatchEx *This, BSTR name, VARIANT_BOOL *success)
 730 {
 731     dynamic_prop_t *prop;
 732     DISPID id;
 733     HRESULT hres;
 734
 735     hres = get_builtin_id(This, name, 0, &id);
 736     if(hres == S_OK) {
 737         DISPID named_id = DISPID_PROPERTYPUT;
 738         VARIANT var;
 739         DISPPARAMS dp = {&var,&named_id,1,1};
 740         EXCEPINFO ei;
 741
 742         V_VT(&var) = VT_EMPTY;
 743         memset(&ei, 0, sizeof(ei));
 744         hres = invoke_builtin_prop(This, id, 0, DISPATCH_PROPERTYPUT, &dp, NULL, &ei, NULL);
 745         if(FAILED(hres))
 746             return hres;
 747
 748         *success = VARIANT_TRUE;
 749         return S_OK;
 750     }
 751
 752     hres = get_dynamic_prop(This, name, 0, &prop);
 753     if(FAILED(hres)) {
 754         if(hres != DISP_E_UNKNOWNNAME)
 755             return hres;
 756         *success = VARIANT_FALSE;
 757         return S_OK;
 758     }
 759
 760     VariantClear(&prop->var);
 761     prop->flags |= DYNPROP_DELETED;
 762     *success = VARIANT_TRUE;
 763     return S_OK;
 764 }
 765
 766 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
 767 {
 768     return CONTAINING_RECORD(iface, DispatchEx, IDispatchEx_iface);
 769 }
 770
 771 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 772 {
 773     DispatchEx *This = impl_from_IDispatchEx(iface);
 774
 775     return IUnknown_QueryInterface(This->outer, riid, ppv);
 776 }
 777
 778 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 779 {
 780     DispatchEx *This = impl_from_IDispatchEx(iface);
 781
 782     return IUnknown_AddRef(This->outer);
 783 }
 784
 785 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 786 {
 787     DispatchEx *This = impl_from_IDispatchEx(iface);
 788
 789     return IUnknown_Release(This->outer);
 790 }
 791
 792 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 793 {
 794     DispatchEx *This = impl_from_IDispatchEx(iface);
 795
 796     TRACE("(%p)->(%p)\n", This, pctinfo);
 797
 798     *pctinfo = 1;
 799     return S_OK;
 800 }
 801
 802 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 803                                               LCID lcid, ITypeInfo **ppTInfo)
 804 {
 805     DispatchEx *This = impl_from_IDispatchEx(iface);
 806     HRESULT hres;
 807
 808     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 809
 810     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
 811     if(FAILED(hres))
 812         return hres;
 813
 814     ITypeInfo_AddRef(*ppTInfo);
 815     return S_OK;
 816 }
 817
 818 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 819                                                 LPOLESTR *rgszNames, UINT cNames,
 820                                                 LCID lcid, DISPID *rgDispId)
 821 {
 822     DispatchEx *This = impl_from_IDispatchEx(iface);
 823     UINT i;
 824     HRESULT hres;
 825
 826     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 827           lcid, rgDispId);
 828
 829     for(i=0; i < cNames; i++) {
 830         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 831         if(FAILED(hres))
 832             return hres;
 833     }
 834
 835     return S_OK;
 836 }
 837
 838 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 839                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 840                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 841 {
 842     DispatchEx *This = impl_from_IDispatchEx(iface);
 843
 844     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 845           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 846
 847     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams,
 848             pVarResult, pExcepInfo, NULL);
 849 }
 850
 851 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 852 {
 853     DispatchEx *This = impl_from_IDispatchEx(iface);
 854     dynamic_prop_t *dprop;
 855     HRESULT hres;
 856
 857     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 858
 859     if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 860         FIXME("Unsupported grfdex %x\n", grfdex);
 861
 862     hres = get_builtin_id(This, bstrName, grfdex, pid);
 863     if(hres != DISP_E_UNKNOWNNAME)
 864         return hres;
 865
 866     hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
 867     if(FAILED(hres))
 868         return hres;
 869
 870     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
 871     return S_OK;
 872 }
 873
 874 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 875         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 876 {
 877     DispatchEx *This = impl_from_IDispatchEx(iface);
 878     HRESULT hres;
 879
 880     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 881
 882     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 883         return This->data->vtbl->invoke(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 884
 885     if(wFlags == DISPATCH_CONSTRUCT) {
 886         if(id == DISPID_VALUE) {
 887             if(This->data->vtbl && This->data->vtbl->value) {
 888                 return This->data->vtbl->value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 889             }
 890             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
 891             return E_FAIL;
 892         }
 893         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
 894         return E_FAIL;
 895     }
 896
 897     if(is_dynamic_dispid(id)) {
 898         DWORD idx = id - DISPID_DYNPROP_0;
 899         dynamic_prop_t *prop;
 900
 901         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 902             return DISP_E_UNKNOWNNAME;
 903
 904         prop = This->dynamic_data->props+idx;
 905
 906         switch(wFlags) {
 907         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 908             if(!pvarRes)
 909                 return E_INVALIDARG;
 910         case DISPATCH_METHOD: {
 911             DISPID named_arg = DISPID_THIS;
 912             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
 913             IDispatchEx *dispex;
 914
 915             if(V_VT(&prop->var) != VT_DISPATCH) {
 916                 FIXME("invoke %s\n", debugstr_variant(&prop->var));
 917                 return E_NOTIMPL;
 918             }
 919
 920             if(pdp->cNamedArgs) {
 921                 FIXME("named args not supported\n");
 922                 return E_NOTIMPL;
 923             }
 924
 925             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
 926             if(!dp.rgvarg)
 927                 return E_OUTOFMEMORY;
 928
 929             dp.cArgs = pdp->cArgs+1;
 930             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
 931
 932             V_VT(dp.rgvarg) = VT_DISPATCH;
 933             V_DISPATCH(dp.rgvarg) = (IDispatch*)&This->IDispatchEx_iface;
 934
 935             hres = IDispatch_QueryInterface(V_DISPATCH(&prop->var), &IID_IDispatchEx, (void**)&dispex);
 936             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
 937             if(SUCCEEDED(hres)) {
 938                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
 939                 IDispatchEx_Release(dispex);
 940             }else {
 941                 ULONG err = 0;
 942                 hres = IDispatch_Invoke(V_DISPATCH(&prop->var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
 943             }
 944             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
 945
 946             heap_free(dp.rgvarg);
 947             return hres;
 948         }
 949         case DISPATCH_PROPERTYGET:
 950             if(prop->flags & DYNPROP_DELETED)
 951                 return DISP_E_UNKNOWNNAME;
 952             return variant_copy(pvarRes, &prop->var);
 953         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF:
 954         case DISPATCH_PROPERTYPUT:
 955             if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
 956                || pdp->cNamedArgs > 1) {
 957                 FIXME("invalid args\n");
 958                 return E_INVALIDARG;
 959             }
 960
 961             TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
 962             VariantClear(&prop->var);
 963             hres = variant_copy(&prop->var, pdp->rgvarg);
 964             if(FAILED(hres))
 965                 return hres;
 966
 967             prop->flags &= ~DYNPROP_DELETED;
 968             return S_OK;
 969         default:
 970             FIXME("unhandled wFlags %x\n", wFlags);
 971             return E_NOTIMPL;
 972         }
 973     }
 974
 975     return invoke_builtin_prop(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 976 }
 977
 978 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 979 {
 980     DispatchEx *This = impl_from_IDispatchEx(iface);
 981
 982     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 983
 984     /* Not implemented by IE */
 985     return E_NOTIMPL;
 986 }
 987
 988 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 989 {
 990     DispatchEx *This = impl_from_IDispatchEx(iface);
 991     FIXME("(%p)->(%x)\n", This, id);
 992     return E_NOTIMPL;
 993 }
 994
 995 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 996 {
 997     DispatchEx *This = impl_from_IDispatchEx(iface);
 998     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 999     return E_NOTIMPL;
1000 }
1001
1002 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
1003 {
1004     DispatchEx *This = impl_from_IDispatchEx(iface);
1005     dispex_data_t *data;
1006     func_info_t *func;
1007     HRESULT hres;
1008
1009     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
1010
1011     if(is_dynamic_dispid(id)) {
1012         DWORD idx = id - DISPID_DYNPROP_0;
1013
1014         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
1015             return DISP_E_UNKNOWNNAME;
1016
1017         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
1018         if(!*pbstrName)
1019             return E_OUTOFMEMORY;
1020
1021         return S_OK;
1022     }
1023
1024     data = get_dispex_data(This);
1025     if(!data)
1026         return E_FAIL;
1027
1028     hres = get_builtin_func(data, id, &func);
1029     if(FAILED(hres))
1030         return hres;
1031
1032     *pbstrName = SysAllocString(func->name);
1033     if(!*pbstrName)
1034         return E_OUTOFMEMORY;
1035     return S_OK;
1036 }
1037
1038 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
1039 {
1040     DispatchEx *This = impl_from_IDispatchEx(iface);
1041     dispex_data_t *data;
1042     func_info_t *func;
1043     HRESULT hres;
1044
1045     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
1046
1047     if(is_dynamic_dispid(id)) {
1048         DWORD idx = id - DISPID_DYNPROP_0;
1049
1050         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
1051             return DISP_E_UNKNOWNNAME;
1052
1053         while(++idx < This->dynamic_data->prop_cnt && This->dynamic_data->props[idx].flags & DYNPROP_DELETED);
1054
1055         if(idx == This->dynamic_data->prop_cnt) {
1056             *pid = DISPID_STARTENUM;
1057             return S_FALSE;
1058         }
1059
1060         *pid = DISPID_DYNPROP_0+idx;
1061         return S_OK;
1062     }
1063
1064     data = get_dispex_data(This);
1065     if(!data)
1066         return E_FAIL;
1067
1068     if(id == DISPID_STARTENUM) {
1069         func = data->funcs;
1070     }else {
1071         hres = get_builtin_func(data, id, &func);
1072         if(FAILED(hres))
1073             return hres;
1074         func++;
1075     }
1076
1077     while(func < data->funcs+data->func_cnt) {
1078         /* FIXME: Skip hidden properties */
1079         if(func->func_disp_idx == -1) {
1080             *pid = func->id;
1081             return S_OK;
1082         }
1083         func++;
1084     }
1085
1086     if(This->dynamic_data && This->dynamic_data->prop_cnt) {
1087         *pid = DISPID_DYNPROP_0;
1088         return S_OK;
1089     }
1090
1091     *pid = DISPID_STARTENUM;
1092     return S_FALSE;
1093 }
1094
1095 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1096 {
1097     DispatchEx *This = impl_from_IDispatchEx(iface);
1098     FIXME("(%p)->(%p)\n", This, ppunk);
1099     return E_NOTIMPL;
1100 }
1101
1102 static IDispatchExVtbl DispatchExVtbl = {
1103     DispatchEx_QueryInterface,
1104     DispatchEx_AddRef,
1105     DispatchEx_Release,
1106     DispatchEx_GetTypeInfoCount,
1107     DispatchEx_GetTypeInfo,
1108     DispatchEx_GetIDsOfNames,
1109     DispatchEx_Invoke,
1110     DispatchEx_GetDispID,
1111     DispatchEx_InvokeEx,
1112     DispatchEx_DeleteMemberByName,
1113     DispatchEx_DeleteMemberByDispID,
1114     DispatchEx_GetMemberProperties,
1115     DispatchEx_GetMemberName,
1116     DispatchEx_GetNextDispID,
1117     DispatchEx_GetNameSpaceParent
1118 };
1119
1120 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1121 {
1122     static const IID IID_UndocumentedScriptIface =
1123         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1124     static const IID IID_IDispatchJS =
1125         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1126
1127     if(IsEqualGUID(&IID_IDispatch, riid)) {
1128         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1129         *ppv = &This->IDispatchEx_iface;
1130     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1131         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1132         *ppv = &This->IDispatchEx_iface;
1133     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1134         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1135         *ppv = NULL;
1136     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1137         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1138         *ppv = NULL;
1139     }else {
1140         return FALSE;
1141     }
1142
1143     if(*ppv)
1144         IUnknown_AddRef((IUnknown*)*ppv);
1145     return TRUE;
1146 }
1147
1148 void release_dispex(DispatchEx *This)
1149 {
1150     dynamic_prop_t *prop;
1151
1152     if(!This->dynamic_data)
1153         return;
1154
1155     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1156         VariantClear(&prop->var);
1157         heap_free(prop->name);
1158     }
1159
1160     heap_free(This->dynamic_data->props);
1161
1162     if(This->dynamic_data->func_disps) {
1163         unsigned i;
1164
1165         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1166             if(This->dynamic_data->func_disps[i]) {
1167                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1168                 heap_free(This->dynamic_data->func_disps[i]);
1169             }
1170         }
1171
1172         heap_free(This->dynamic_data->func_disps);
1173     }
1174
1175     heap_free(This->dynamic_data);
1176 }
1177
1178 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1179 {
1180     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
1181     dispex->outer = outer;
1182     dispex->data = data;
1183     dispex->dynamic_data = NULL;
1184 }