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 load_typelib(void)
  92 {
  93     HRESULT hres;
  94     ITypeLib *tl;
  95
  96     hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  97     if(FAILED(hres)) {
  98         ERR("LoadRegTypeLib failed: %08x\n", hres);
  99         return hres;
 100     }
 101
 102     if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 103         ITypeLib_Release(tl);
 104     return hres;
 105 }
 106
 107 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 108 {
 109     HRESULT hres;
 110
 111     if (!typelib)
 112         hres = load_typelib();
 113     if (!typelib)
 114         return hres;
 115
 116     if(!typeinfos[tid]) {
 117         ITypeInfo *ti;
 118
 119         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
 120         if(FAILED(hres)) {
 121             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 122             return hres;
 123         }
 124
 125         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
 126             ITypeInfo_Release(ti);
 127     }
 128
 129     *typeinfo = typeinfos[tid];
 130     return S_OK;
 131 }
 132
 133 void release_typelib(void)
 134 {
 135     dispex_data_t *iter;
 136     unsigned i;
 137
 138     while(!list_empty(&dispex_data_list)) {
 139         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 140         list_remove(&iter->entry);
 141
 142         for(i=0; i < iter->func_cnt; i++)
 143             SysFreeString(iter->funcs[i].name);
 144
 145         heap_free(iter->funcs);
 146         heap_free(iter->name_table);
 147         heap_free(iter);
 148     }
 149
 150     if(!typelib)
 151         return;
 152
 153     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 154         if(typeinfos[i])
 155             ITypeInfo_Release(typeinfos[i]);
 156
 157     ITypeLib_Release(typelib);
 158 }
 159
 160 HRESULT get_htmldoc_classinfo(ITypeInfo **typeinfo)
 161 {
 162     HRESULT hres;
 163
 164     if (!typelib)
 165         hres = load_typelib();
 166     if (!typelib)
 167         return hres;
 168
 169     hres = ITypeLib_GetTypeInfoOfGuid(typelib, &CLSID_HTMLDocument, typeinfo);
 170     if(FAILED(hres))
 171         ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
 172     return hres;
 173 }
 174
 175 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
 176 {
 177     HRESULT hres;
 178
 179     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid)
 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, desc->memid, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 186     if(FAILED(hres))
 187         return;
 188
 189     data->funcs[data->func_cnt].id = desc->memid;
 190     data->funcs[data->func_cnt].tid = tid;
 191     data->funcs[data->func_cnt].func_disp_idx = (desc->invkind & DISPATCH_METHOD) ? data->func_disp_cnt++ : -1;
 192
 193     data->func_cnt++;
 194 }
 195
 196 static int dispid_cmp(const void *p1, const void *p2)
 197 {
 198     return ((const func_info_t*)p1)->id - ((const 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* const*)p1)->name, (*(func_info_t* const*)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     if(This->data->disp_tid) {
 218         hres = get_typeinfo(This->data->disp_tid, &dti);
 219         if(FAILED(hres)) {
 220             ERR("Could not get disp type info: %08x\n", hres);
 221             return NULL;
 222         }
 223     }
 224
 225     data = heap_alloc(sizeof(dispex_data_t));
 226     data->func_cnt = 0;
 227     data->func_disp_cnt = 0;
 228     data->funcs = heap_alloc(size*sizeof(func_info_t));
 229     list_add_tail(&dispex_data_list, &data->entry);
 230
 231     while(*tid) {
 232         hres = get_typeinfo(*tid, &ti);
 233         if(FAILED(hres))
 234             break;
 235
 236         i=7;
 237         while(1) {
 238             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 239             if(FAILED(hres))
 240                 break;
 241
 242             add_func_info(data, &size, *tid, funcdesc, dti);
 243             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 244         }
 245
 246         tid++;
 247     }
 248
 249     if(!data->func_cnt) {
 250         heap_free(data->funcs);
 251         data->name_table = NULL;
 252         data->funcs = NULL;
 253         return data;
 254     }
 255
 256
 257     data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 258     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 259
 260     data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 261     for(i=0; i < data->func_cnt; i++)
 262         data->name_table[i] = data->funcs+i;
 263     qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 264
 265     return data;
 266 }
 267
 268 static int id_cmp(const void *p1, const void *p2)
 269 {
 270     return *(const DISPID*)p1 - *(const DISPID*)p2;
 271 }
 272
 273 HRESULT get_dispids(tid_t tid, DWORD *ret_size, DISPID **ret)
 274 {
 275     unsigned i, func_cnt;
 276     FUNCDESC *funcdesc;
 277     ITypeInfo *ti;
 278     TYPEATTR *attr;
 279     DISPID *ids;
 280     HRESULT hres;
 281
 282     hres = get_typeinfo(tid, &ti);
 283     if(FAILED(hres))
 284         return hres;
 285
 286     hres = ITypeInfo_GetTypeAttr(ti, &attr);
 287     if(FAILED(hres)) {
 288         ITypeInfo_Release(ti);
 289         return hres;
 290     }
 291
 292     func_cnt = attr->cFuncs;
 293     ITypeInfo_ReleaseTypeAttr(ti, attr);
 294
 295     ids = heap_alloc(func_cnt*sizeof(DISPID));
 296     if(!ids) {
 297         ITypeInfo_Release(ti);
 298         return E_OUTOFMEMORY;
 299     }
 300
 301     for(i=0; i < func_cnt; i++) {
 302         hres = ITypeInfo_GetFuncDesc(ti, i, &funcdesc);
 303         if(FAILED(hres))
 304             break;
 305
 306         ids[i] = funcdesc->memid;
 307         ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 308     }
 309
 310     ITypeInfo_Release(ti);
 311     if(FAILED(hres)) {
 312         heap_free(ids);
 313         return hres;
 314     }
 315
 316     qsort(ids, func_cnt, sizeof(DISPID), id_cmp);
 317
 318     *ret_size = func_cnt;
 319     *ret = ids;
 320     return S_OK;
 321 }
 322
 323 static CRITICAL_SECTION cs_dispex_static_data;
 324 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 325 {
 326     0, 0, &cs_dispex_static_data,
 327     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 328       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 329 };
 330 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 331
 332
 333 static dispex_data_t *get_dispex_data(DispatchEx *This)
 334 {
 335     if(This->data->data)
 336         return This->data->data;
 337
 338     EnterCriticalSection(&cs_dispex_static_data);
 339
 340     if(!This->data->data)
 341         This->data->data = preprocess_dispex_data(This);
 342
 343     LeaveCriticalSection(&cs_dispex_static_data);
 344
 345     return This->data->data;
 346 }
 347
 348 static inline BOOL is_custom_dispid(DISPID id)
 349 {
 350     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 351 }
 352
 353 static inline BOOL is_dynamic_dispid(DISPID id)
 354 {
 355     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 356 }
 357
 358 static HRESULT variant_copy(VARIANT *dest, VARIANT *src)
 359 {
 360     if(V_VT(src) == VT_BSTR && !V_BSTR(src)) {
 361         V_VT(dest) = VT_BSTR;
 362         V_BSTR(dest) = NULL;
 363         return S_OK;
 364     }
 365
 366     return VariantCopy(dest, src);
 367 }
 368
 369 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This, BOOL alloc)
 370 {
 371     return !alloc || This->dynamic_data
 372         ? This->dynamic_data
 373         : (This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t)));
 374 }
 375
 376 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
 377 {
 378     const BOOL alloc = flags & fdexNameEnsure;
 379     dispex_dynamic_data_t *data;
 380     dynamic_prop_t *prop;
 381
 382     data = get_dynamic_data(This, alloc);
 383     if(!data) {
 384         if(alloc)
 385             return E_OUTOFMEMORY;
 386
 387         TRACE("not found %s\n", debugstr_w(name));
 388         return DISP_E_UNKNOWNNAME;
 389     }
 390
 391     for(prop = data->props; prop < data->props+data->prop_cnt; prop++) {
 392         if(flags & fdexNameCaseInsensitive ? !strcmpiW(prop->name, name) : !strcmpW(prop->name, name)) {
 393             if(prop->flags & DYNPROP_DELETED) {
 394                 if(!alloc)
 395                     return DISP_E_UNKNOWNNAME;
 396                 prop->flags &= ~DYNPROP_DELETED;
 397             }
 398             *ret = prop;
 399             return S_OK;
 400         }
 401     }
 402
 403     if(!alloc)
 404         return DISP_E_UNKNOWNNAME;
 405
 406     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 407
 408     if(!data->buf_size) {
 409         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 410         if(!data->props)
 411             return E_OUTOFMEMORY;
 412         data->buf_size = 4;
 413     }else if(data->buf_size == data->prop_cnt) {
 414         dynamic_prop_t *new_props;
 415
 416         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 417         if(!new_props)
 418             return E_OUTOFMEMORY;
 419
 420         data->props = new_props;
 421         data->buf_size <<= 1;
 422     }
 423
 424     prop = data->props + data->prop_cnt;
 425
 426     prop->name = heap_strdupW(name);
 427     if(!prop->name)
 428         return E_OUTOFMEMORY;
 429
 430     VariantInit(&prop->var);
 431     prop->flags = 0;
 432     data->prop_cnt++;
 433     *ret = prop;
 434     return S_OK;
 435 }
 436
 437 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 438 {
 439     dynamic_prop_t *prop;
 440     HRESULT hres;
 441
 442     hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
 443     if(FAILED(hres))
 444         return hres;
 445
 446     *ret = &prop->var;
 447     return S_OK;
 448 }
 449
 450 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 451         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 452 {
 453     if(This->data->vtbl && This->data->vtbl->value)
 454         return This->data->vtbl->value(This, lcid, flags, params, res, ei, caller);
 455
 456     switch(flags) {
 457     case DISPATCH_PROPERTYGET:
 458         V_VT(res) = VT_BSTR;
 459         V_BSTR(res) = SysAllocString(objectW);
 460         if(!V_BSTR(res))
 461             return E_OUTOFMEMORY;
 462         break;
 463     default:
 464         FIXME("Unimplemented flags %x\n", flags);
 465         return E_NOTIMPL;
 466     }
 467
 468     return S_OK;
 469 }
 470
 471 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 472         EXCEPINFO *ei)
 473 {
 474     ITypeInfo *ti;
 475     IUnknown *unk;
 476     UINT argerr=0;
 477     HRESULT hres;
 478
 479     hres = get_typeinfo(func->tid, &ti);
 480     if(FAILED(hres)) {
 481         ERR("Could not get type info: %08x\n", hres);
 482         return hres;
 483     }
 484
 485     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 486     if(FAILED(hres)) {
 487         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 488         return E_FAIL;
 489     }
 490
 491     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 492
 493     IUnknown_Release(unk);
 494     return hres;
 495 }
 496
 497 static inline func_disp_t *impl_from_IUnknown(IUnknown *iface)
 498 {
 499     return CONTAINING_RECORD(iface, func_disp_t, IUnknown_iface);
 500 }
 501
 502 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 503 {
 504     func_disp_t *This = impl_from_IUnknown(iface);
 505
 506     if(IsEqualGUID(&IID_IUnknown, riid)) {
 507         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 508         *ppv = &This->IUnknown_iface;
 509     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 510         return *ppv ? S_OK : E_NOINTERFACE;
 511     }else {
 512         *ppv = NULL;
 513         return E_NOINTERFACE;
 514     }
 515
 516     IUnknown_AddRef((IUnknown*)*ppv);
 517     return S_OK;
 518 }
 519
 520 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 521 {
 522     func_disp_t *This = impl_from_IUnknown(iface);
 523
 524     TRACE("(%p)\n", This);
 525
 526     return IDispatchEx_AddRef(&This->obj->IDispatchEx_iface);
 527 }
 528
 529 static ULONG WINAPI Function_Release(IUnknown *iface)
 530 {
 531     func_disp_t *This = impl_from_IUnknown(iface);
 532
 533     TRACE("(%p)\n", This);
 534
 535     return IDispatchEx_Release(&This->obj->IDispatchEx_iface);
 536 }
 537
 538 static const IUnknownVtbl FunctionUnkVtbl = {
 539     Function_QueryInterface,
 540     Function_AddRef,
 541     Function_Release
 542 };
 543
 544 static inline func_disp_t *impl_from_DispatchEx(DispatchEx *iface)
 545 {
 546     return CONTAINING_RECORD(iface, func_disp_t, dispex);
 547 }
 548
 549 static HRESULT function_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *params,
 550         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 551 {
 552     func_disp_t *This = impl_from_DispatchEx(dispex);
 553     HRESULT hres;
 554
 555     switch(flags) {
 556     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 557         if(!res)
 558             return E_INVALIDARG;
 559     case DISPATCH_METHOD:
 560         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 561         break;
 562     default:
 563         FIXME("Unimplemented flags %x\n", flags);
 564         hres = E_NOTIMPL;
 565     }
 566
 567     return hres;
 568 }
 569
 570 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 571     function_value,
 572     NULL,
 573     NULL
 574 };
 575
 576 static const tid_t function_iface_tids[] = {0};
 577
 578 static dispex_static_data_t function_dispex = {
 579     &function_dispex_vtbl,
 580     NULL_tid,
 581     NULL,
 582     function_iface_tids
 583 };
 584
 585 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 586 {
 587     func_disp_t *ret;
 588
 589     ret = heap_alloc_zero(sizeof(func_disp_t));
 590     if(!ret)
 591         return NULL;
 592
 593     ret->IUnknown_iface.lpVtbl = &FunctionUnkVtbl;
 594     init_dispex(&ret->dispex, &ret->IUnknown_iface,  &function_dispex);
 595     ret->obj = obj;
 596     ret->info = info;
 597
 598     return ret;
 599 }
 600
 601 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 602         EXCEPINFO *ei)
 603 {
 604     HRESULT hres;
 605
 606     switch(flags) {
 607     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 608         if(!res)
 609             return E_INVALIDARG;
 610     case DISPATCH_METHOD:
 611         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 612         break;
 613     case DISPATCH_PROPERTYGET: {
 614         dispex_dynamic_data_t *dynamic_data;
 615
 616         if(func->id == DISPID_VALUE) {
 617             BSTR ret;
 618
 619             ret = SysAllocString(objectW);
 620             if(!ret)
 621                 return E_OUTOFMEMORY;
 622
 623             V_VT(res) = VT_BSTR;
 624             V_BSTR(res) = ret;
 625             return S_OK;
 626         }
 627
 628         dynamic_data = get_dynamic_data(This, TRUE);
 629         if(!dynamic_data)
 630             return E_OUTOFMEMORY;
 631
 632         if(!dynamic_data->func_disps) {
 633             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 634             if(!dynamic_data->func_disps)
 635                 return E_OUTOFMEMORY;
 636         }
 637
 638         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 639             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 640             if(!dynamic_data->func_disps[func->func_disp_idx])
 641                 return E_OUTOFMEMORY;
 642         }
 643
 644         V_VT(res) = VT_DISPATCH;
 645         V_DISPATCH(res) = (IDispatch*)&dynamic_data->func_disps[func->func_disp_idx]->dispex.IDispatchEx_iface;
 646         IDispatch_AddRef(V_DISPATCH(res));
 647         hres = S_OK;
 648         break;
 649     }
 650     default:
 651         FIXME("Unimplemented flags %x\n", flags);
 652     case DISPATCH_PROPERTYPUT:
 653         hres = E_NOTIMPL;
 654     }
 655
 656     return hres;
 657 }
 658
 659 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 660 {
 661     int min, max, n;
 662
 663     min = 0;
 664     max = data->func_cnt-1;
 665
 666     while(min <= max) {
 667         n = (min+max)/2;
 668
 669         if(data->funcs[n].id == id) {
 670             *ret = data->funcs+n;
 671             return S_OK;
 672         }
 673
 674         if(data->funcs[n].id < id)
 675             min = n+1;
 676         else
 677             max = n-1;
 678     }
 679
 680     WARN("invalid id %x\n", id);
 681     return DISP_E_UNKNOWNNAME;
 682 }
 683
 684 static HRESULT get_builtin_id(DispatchEx *This, BSTR name, DWORD grfdex, DISPID *ret)
 685 {
 686     dispex_data_t *data;
 687     int min, max, n, c;
 688
 689     data = get_dispex_data(This);
 690     if(!data)
 691         return E_FAIL;
 692
 693     min = 0;
 694     max = data->func_cnt-1;
 695
 696     while(min <= max) {
 697         n = (min+max)/2;
 698
 699         c = strcmpiW(data->name_table[n]->name, name);
 700         if(!c) {
 701             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, name))
 702                 break;
 703
 704             *ret = data->name_table[n]->id;
 705             return S_OK;
 706         }
 707
 708         if(c > 0)
 709             max = n-1;
 710         else
 711             min = n+1;
 712     }
 713
 714     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 715         HRESULT hres;
 716
 717         hres = This->data->vtbl->get_dispid(This, name, grfdex, ret);
 718         if(hres != DISP_E_UNKNOWNNAME)
 719             return hres;
 720     }
 721
 722     return DISP_E_UNKNOWNNAME;
 723 }
 724
 725 static HRESULT invoke_builtin_prop(DispatchEx *This, DISPID id, LCID lcid, WORD flags, DISPPARAMS *dp,
 726         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 727 {
 728     dispex_data_t *data;
 729     func_info_t *func;
 730     HRESULT hres;
 731
 732     data = get_dispex_data(This);
 733     if(!data)
 734         return E_FAIL;
 735
 736     hres = get_builtin_func(data, id, &func);
 737     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 738         return dispex_value(This, lcid, flags, dp, res, ei, caller);
 739     if(FAILED(hres))
 740         return hres;
 741
 742     if(func->func_disp_idx == -1)
 743         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 744     else
 745         hres = function_invoke(This, func, flags, dp, res, ei);
 746
 747     return hres;
 748 }
 749
 750 HRESULT remove_prop(DispatchEx *This, BSTR name, VARIANT_BOOL *success)
 751 {
 752     dynamic_prop_t *prop;
 753     DISPID id;
 754     HRESULT hres;
 755
 756     hres = get_builtin_id(This, name, 0, &id);
 757     if(hres == S_OK) {
 758         DISPID named_id = DISPID_PROPERTYPUT;
 759         VARIANT var;
 760         DISPPARAMS dp = {&var,&named_id,1,1};
 761         EXCEPINFO ei;
 762
 763         V_VT(&var) = VT_EMPTY;
 764         memset(&ei, 0, sizeof(ei));
 765         hres = invoke_builtin_prop(This, id, 0, DISPATCH_PROPERTYPUT, &dp, NULL, &ei, NULL);
 766         if(FAILED(hres))
 767             return hres;
 768
 769         *success = VARIANT_TRUE;
 770         return S_OK;
 771     }
 772
 773     hres = get_dynamic_prop(This, name, 0, &prop);
 774     if(FAILED(hres)) {
 775         if(hres != DISP_E_UNKNOWNNAME)
 776             return hres;
 777         *success = VARIANT_FALSE;
 778         return S_OK;
 779     }
 780
 781     VariantClear(&prop->var);
 782     prop->flags |= DYNPROP_DELETED;
 783     *success = VARIANT_TRUE;
 784     return S_OK;
 785 }
 786
 787 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
 788 {
 789     return CONTAINING_RECORD(iface, DispatchEx, IDispatchEx_iface);
 790 }
 791
 792 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 793 {
 794     DispatchEx *This = impl_from_IDispatchEx(iface);
 795
 796     return IUnknown_QueryInterface(This->outer, riid, ppv);
 797 }
 798
 799 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 800 {
 801     DispatchEx *This = impl_from_IDispatchEx(iface);
 802
 803     return IUnknown_AddRef(This->outer);
 804 }
 805
 806 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 807 {
 808     DispatchEx *This = impl_from_IDispatchEx(iface);
 809
 810     return IUnknown_Release(This->outer);
 811 }
 812
 813 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 814 {
 815     DispatchEx *This = impl_from_IDispatchEx(iface);
 816
 817     TRACE("(%p)->(%p)\n", This, pctinfo);
 818
 819     *pctinfo = 1;
 820     return S_OK;
 821 }
 822
 823 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 824                                               LCID lcid, ITypeInfo **ppTInfo)
 825 {
 826     DispatchEx *This = impl_from_IDispatchEx(iface);
 827     HRESULT hres;
 828
 829     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 830
 831     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
 832     if(FAILED(hres))
 833         return hres;
 834
 835     ITypeInfo_AddRef(*ppTInfo);
 836     return S_OK;
 837 }
 838
 839 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 840                                                 LPOLESTR *rgszNames, UINT cNames,
 841                                                 LCID lcid, DISPID *rgDispId)
 842 {
 843     DispatchEx *This = impl_from_IDispatchEx(iface);
 844     UINT i;
 845     HRESULT hres;
 846
 847     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 848           lcid, rgDispId);
 849
 850     for(i=0; i < cNames; i++) {
 851         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 852         if(FAILED(hres))
 853             return hres;
 854     }
 855
 856     return S_OK;
 857 }
 858
 859 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 860                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 861                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 862 {
 863     DispatchEx *This = impl_from_IDispatchEx(iface);
 864
 865     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 866           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 867
 868     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams,
 869             pVarResult, pExcepInfo, NULL);
 870 }
 871
 872 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 873 {
 874     DispatchEx *This = impl_from_IDispatchEx(iface);
 875     dynamic_prop_t *dprop;
 876     HRESULT hres;
 877
 878     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 879
 880     if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 881         FIXME("Unsupported grfdex %x\n", grfdex);
 882
 883     hres = get_builtin_id(This, bstrName, grfdex, pid);
 884     if(hres != DISP_E_UNKNOWNNAME)
 885         return hres;
 886
 887     hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
 888     if(FAILED(hres))
 889         return hres;
 890
 891     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
 892     return S_OK;
 893 }
 894
 895 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 896         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 897 {
 898     DispatchEx *This = impl_from_IDispatchEx(iface);
 899     HRESULT hres;
 900
 901     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 902
 903     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 904         return This->data->vtbl->invoke(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 905
 906     if(wFlags == DISPATCH_CONSTRUCT) {
 907         if(id == DISPID_VALUE) {
 908             if(This->data->vtbl && This->data->vtbl->value) {
 909                 return This->data->vtbl->value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 910             }
 911             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
 912             return E_FAIL;
 913         }
 914         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
 915         return E_FAIL;
 916     }
 917
 918     if(is_dynamic_dispid(id)) {
 919         DWORD idx = id - DISPID_DYNPROP_0;
 920         dynamic_prop_t *prop;
 921
 922         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 923             return DISP_E_UNKNOWNNAME;
 924
 925         prop = This->dynamic_data->props+idx;
 926
 927         switch(wFlags) {
 928         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 929             if(!pvarRes)
 930                 return E_INVALIDARG;
 931         case DISPATCH_METHOD: {
 932             DISPID named_arg = DISPID_THIS;
 933             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
 934             IDispatchEx *dispex;
 935
 936             if(V_VT(&prop->var) != VT_DISPATCH) {
 937                 FIXME("invoke %s\n", debugstr_variant(&prop->var));
 938                 return E_NOTIMPL;
 939             }
 940
 941             if(pdp->cNamedArgs) {
 942                 FIXME("named args not supported\n");
 943                 return E_NOTIMPL;
 944             }
 945
 946             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
 947             if(!dp.rgvarg)
 948                 return E_OUTOFMEMORY;
 949
 950             dp.cArgs = pdp->cArgs+1;
 951             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
 952
 953             V_VT(dp.rgvarg) = VT_DISPATCH;
 954             V_DISPATCH(dp.rgvarg) = (IDispatch*)&This->IDispatchEx_iface;
 955
 956             hres = IDispatch_QueryInterface(V_DISPATCH(&prop->var), &IID_IDispatchEx, (void**)&dispex);
 957             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
 958             if(SUCCEEDED(hres)) {
 959                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
 960                 IDispatchEx_Release(dispex);
 961             }else {
 962                 ULONG err = 0;
 963                 hres = IDispatch_Invoke(V_DISPATCH(&prop->var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
 964             }
 965             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
 966
 967             heap_free(dp.rgvarg);
 968             return hres;
 969         }
 970         case DISPATCH_PROPERTYGET:
 971             if(prop->flags & DYNPROP_DELETED)
 972                 return DISP_E_UNKNOWNNAME;
 973             return variant_copy(pvarRes, &prop->var);
 974         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF:
 975         case DISPATCH_PROPERTYPUT:
 976             if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
 977                || pdp->cNamedArgs > 1) {
 978                 FIXME("invalid args\n");
 979                 return E_INVALIDARG;
 980             }
 981
 982             TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
 983             VariantClear(&prop->var);
 984             hres = variant_copy(&prop->var, pdp->rgvarg);
 985             if(FAILED(hres))
 986                 return hres;
 987
 988             prop->flags &= ~DYNPROP_DELETED;
 989             return S_OK;
 990         default:
 991             FIXME("unhandled wFlags %x\n", wFlags);
 992             return E_NOTIMPL;
 993         }
 994     }
 995
 996     return invoke_builtin_prop(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 997 }
 998
 999 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
1000 {
1001     DispatchEx *This = impl_from_IDispatchEx(iface);
1002
1003     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
1004
1005     /* Not implemented by IE */
1006     return E_NOTIMPL;
1007 }
1008
1009 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
1010 {
1011     DispatchEx *This = impl_from_IDispatchEx(iface);
1012     FIXME("(%p)->(%x)\n", This, id);
1013     return E_NOTIMPL;
1014 }
1015
1016 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
1017 {
1018     DispatchEx *This = impl_from_IDispatchEx(iface);
1019     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
1020     return E_NOTIMPL;
1021 }
1022
1023 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
1024 {
1025     DispatchEx *This = impl_from_IDispatchEx(iface);
1026     dispex_data_t *data;
1027     func_info_t *func;
1028     HRESULT hres;
1029
1030     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
1031
1032     if(is_dynamic_dispid(id)) {
1033         DWORD idx = id - DISPID_DYNPROP_0;
1034
1035         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
1036             return DISP_E_UNKNOWNNAME;
1037
1038         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
1039         if(!*pbstrName)
1040             return E_OUTOFMEMORY;
1041
1042         return S_OK;
1043     }
1044
1045     data = get_dispex_data(This);
1046     if(!data)
1047         return E_FAIL;
1048
1049     hres = get_builtin_func(data, id, &func);
1050     if(FAILED(hres))
1051         return hres;
1052
1053     *pbstrName = SysAllocString(func->name);
1054     if(!*pbstrName)
1055         return E_OUTOFMEMORY;
1056     return S_OK;
1057 }
1058
1059 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
1060 {
1061     DispatchEx *This = impl_from_IDispatchEx(iface);
1062     dispex_data_t *data;
1063     func_info_t *func;
1064     HRESULT hres;
1065
1066     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
1067
1068     if(is_dynamic_dispid(id)) {
1069         DWORD idx = id - DISPID_DYNPROP_0;
1070
1071         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
1072             return DISP_E_UNKNOWNNAME;
1073
1074         while(++idx < This->dynamic_data->prop_cnt && This->dynamic_data->props[idx].flags & DYNPROP_DELETED);
1075
1076         if(idx == This->dynamic_data->prop_cnt) {
1077             *pid = DISPID_STARTENUM;
1078             return S_FALSE;
1079         }
1080
1081         *pid = DISPID_DYNPROP_0+idx;
1082         return S_OK;
1083     }
1084
1085     data = get_dispex_data(This);
1086     if(!data)
1087         return E_FAIL;
1088
1089     if(id == DISPID_STARTENUM) {
1090         func = data->funcs;
1091     }else {
1092         hres = get_builtin_func(data, id, &func);
1093         if(FAILED(hres))
1094             return hres;
1095         func++;
1096     }
1097
1098     while(func < data->funcs+data->func_cnt) {
1099         /* FIXME: Skip hidden properties */
1100         if(func->func_disp_idx == -1) {
1101             *pid = func->id;
1102             return S_OK;
1103         }
1104         func++;
1105     }
1106
1107     if(This->dynamic_data && This->dynamic_data->prop_cnt) {
1108         *pid = DISPID_DYNPROP_0;
1109         return S_OK;
1110     }
1111
1112     *pid = DISPID_STARTENUM;
1113     return S_FALSE;
1114 }
1115
1116 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1117 {
1118     DispatchEx *This = impl_from_IDispatchEx(iface);
1119     FIXME("(%p)->(%p)\n", This, ppunk);
1120     return E_NOTIMPL;
1121 }
1122
1123 static IDispatchExVtbl DispatchExVtbl = {
1124     DispatchEx_QueryInterface,
1125     DispatchEx_AddRef,
1126     DispatchEx_Release,
1127     DispatchEx_GetTypeInfoCount,
1128     DispatchEx_GetTypeInfo,
1129     DispatchEx_GetIDsOfNames,
1130     DispatchEx_Invoke,
1131     DispatchEx_GetDispID,
1132     DispatchEx_InvokeEx,
1133     DispatchEx_DeleteMemberByName,
1134     DispatchEx_DeleteMemberByDispID,
1135     DispatchEx_GetMemberProperties,
1136     DispatchEx_GetMemberName,
1137     DispatchEx_GetNextDispID,
1138     DispatchEx_GetNameSpaceParent
1139 };
1140
1141 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1142 {
1143     static const IID IID_UndocumentedScriptIface =
1144         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1145     static const IID IID_IDispatchJS =
1146         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1147
1148     if(IsEqualGUID(&IID_IDispatch, riid)) {
1149         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1150         *ppv = &This->IDispatchEx_iface;
1151     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1152         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1153         *ppv = &This->IDispatchEx_iface;
1154     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1155         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1156         *ppv = NULL;
1157     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1158         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1159         *ppv = NULL;
1160     }else {
1161         return FALSE;
1162     }
1163
1164     if(*ppv)
1165         IUnknown_AddRef((IUnknown*)*ppv);
1166     return TRUE;
1167 }
1168
1169 void release_dispex(DispatchEx *This)
1170 {
1171     dynamic_prop_t *prop;
1172
1173     if(!This->dynamic_data)
1174         return;
1175
1176     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1177         VariantClear(&prop->var);
1178         heap_free(prop->name);
1179     }
1180
1181     heap_free(This->dynamic_data->props);
1182
1183     if(This->dynamic_data->func_disps) {
1184         unsigned i;
1185
1186         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1187             if(This->dynamic_data->func_disps[i]) {
1188                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1189                 heap_free(This->dynamic_data->func_disps[i]);
1190             }
1191         }
1192
1193         heap_free(This->dynamic_data->func_disps);
1194     }
1195
1196     heap_free(This->dynamic_data);
1197 }
1198
1199 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1200 {
1201     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
1202     dispex->outer = outer;
1203     dispex->data = data;
1204     dispex->dynamic_data = NULL;
1205 }