dlls/jscript/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 #include "jscript.h"
  20
  21 #include "wine/unicode.h"
  22 #include "wine/debug.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  25
  26 /*
  27  * This IID is used to get jsdisp_t objecto from interface.
  28  * We might consider using private insteface instead.
  29  */
  30 static const IID IID_IDispatchJS =
  31         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
  32
  33 #define FDEX_VERSION_MASK 0xf0000000
  34
  35 typedef enum {
  36     PROP_VARIANT,
  37     PROP_BUILTIN,
  38     PROP_PROTREF,
  39     PROP_DELETED
  40 } prop_type_t;
  41
  42 struct _dispex_prop_t {
  43     WCHAR *name;
  44     prop_type_t type;
  45     DWORD flags;
  46
  47     union {
  48         VARIANT var;
  49         const builtin_prop_t *p;
  50         DWORD ref;
  51     } u;
  52 };
  53
  54 static inline DISPID prop_to_id(jsdisp_t *This, dispex_prop_t *prop)
  55 {
  56     return prop - This->props;
  57 }
  58
  59 static inline dispex_prop_t *get_prop(jsdisp_t *This, DISPID id)
  60 {
  61     if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
  62         return NULL;
  63
  64     return This->props+id;
  65 }
  66
  67 static DWORD get_flags(jsdisp_t *This, dispex_prop_t *prop)
  68 {
  69     if(prop->type == PROP_PROTREF) {
  70         dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
  71         if(!parent) {
  72             prop->type = PROP_DELETED;
  73             return 0;
  74         }
  75
  76         return get_flags(This->prototype, parent);
  77     }
  78
  79     return prop->flags;
  80 }
  81
  82 static const builtin_prop_t *find_builtin_prop(jsdisp_t *This, const WCHAR *name)
  83 {
  84     int min = 0, max, i, r;
  85
  86     max = This->builtin_info->props_cnt-1;
  87     while(min <= max) {
  88         i = (min+max)/2;
  89
  90         r = strcmpW(name, This->builtin_info->props[i].name);
  91         if(!r)
  92             return This->builtin_info->props + i;
  93
  94         if(r < 0)
  95             max = i-1;
  96         else
  97             min = i+1;
  98     }
  99
 100     return NULL;
 101 }
 102
 103 static dispex_prop_t *alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
 104 {
 105     dispex_prop_t *ret;
 106
 107     if(This->buf_size == This->prop_cnt) {
 108         dispex_prop_t *tmp = heap_realloc(This->props, (This->buf_size<<=1)*sizeof(*This->props));
 109         if(!tmp)
 110             return NULL;
 111         This->props = tmp;
 112     }
 113
 114     ret = This->props + This->prop_cnt++;
 115     ret->type = type;
 116     ret->flags = flags;
 117     ret->name = heap_strdupW(name);
 118     if(!ret->name)
 119         return NULL;
 120
 121     return ret;
 122 }
 123
 124 static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
 125 {
 126     dispex_prop_t *ret;
 127
 128     ret = alloc_prop(This, name, PROP_PROTREF, 0);
 129     if(!ret)
 130         return NULL;
 131
 132     ret->u.ref = ref;
 133     return ret;
 134 }
 135
 136 static HRESULT find_prop_name(jsdisp_t *This, const WCHAR *name, dispex_prop_t **ret)
 137 {
 138     const builtin_prop_t *builtin;
 139     dispex_prop_t *prop;
 140
 141     for(prop = This->props; prop < This->props+This->prop_cnt; prop++) {
 142         if(prop->name && !strcmpW(prop->name, name)) {
 143             *ret = prop;
 144             return S_OK;
 145         }
 146     }
 147
 148     builtin = find_builtin_prop(This, name);
 149     if(builtin) {
 150         prop = alloc_prop(This, name, PROP_BUILTIN, builtin->flags);
 151         if(!prop)
 152             return E_OUTOFMEMORY;
 153
 154         prop->u.p = builtin;
 155         *ret = prop;
 156         return S_OK;
 157     }
 158
 159     *ret = NULL;
 160     return S_OK;
 161 }
 162
 163 static HRESULT find_prop_name_prot(jsdisp_t *This, const WCHAR *name, dispex_prop_t **ret)
 164 {
 165     dispex_prop_t *prop;
 166     HRESULT hres;
 167
 168     hres = find_prop_name(This, name, &prop);
 169     if(FAILED(hres))
 170         return hres;
 171     if(prop) {
 172         *ret = prop;
 173         return S_OK;
 174     }
 175
 176     if(This->prototype) {
 177         hres = find_prop_name_prot(This->prototype, name, &prop);
 178         if(FAILED(hres))
 179             return hres;
 180         if(prop) {
 181             prop = alloc_protref(This, prop->name, prop - This->prototype->props);
 182             if(!prop)
 183                 return E_OUTOFMEMORY;
 184             *ret = prop;
 185             return S_OK;
 186         }
 187     }
 188
 189     *ret = prop;
 190     return S_OK;
 191 }
 192
 193 static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, BOOL search_prot, DWORD create_flags, dispex_prop_t **ret)
 194 {
 195     dispex_prop_t *prop;
 196     HRESULT hres;
 197
 198     if(search_prot)
 199         hres = find_prop_name_prot(This, name, &prop);
 200     else
 201         hres = find_prop_name(This, name, &prop);
 202     if(SUCCEEDED(hres) && !prop) {
 203         TRACE("creating prop %s\n", debugstr_w(name));
 204
 205         prop = alloc_prop(This, name, PROP_VARIANT, create_flags);
 206         if(!prop)
 207             return E_OUTOFMEMORY;
 208         VariantInit(&prop->u.var);
 209     }
 210
 211     *ret = prop;
 212     return hres;
 213 }
 214
 215 static HRESULT set_this(DISPPARAMS *dp, DISPPARAMS *olddp, IDispatch *jsthis)
 216 {
 217     VARIANTARG *oldargs;
 218     int i;
 219
 220     static DISPID this_id = DISPID_THIS;
 221
 222     *dp = *olddp;
 223
 224     for(i = 0; i < dp->cNamedArgs; i++) {
 225         if(dp->rgdispidNamedArgs[i] == DISPID_THIS)
 226             return S_OK;
 227     }
 228
 229     oldargs = dp->rgvarg;
 230     dp->rgvarg = heap_alloc((dp->cArgs+1) * sizeof(VARIANTARG));
 231     if(!dp->rgvarg)
 232         return E_OUTOFMEMORY;
 233     memcpy(dp->rgvarg+1, oldargs, dp->cArgs*sizeof(VARIANTARG));
 234     V_VT(dp->rgvarg) = VT_DISPATCH;
 235     V_DISPATCH(dp->rgvarg) = jsthis;
 236     dp->cArgs++;
 237
 238     if(dp->cNamedArgs) {
 239         DISPID *old = dp->rgdispidNamedArgs;
 240         dp->rgdispidNamedArgs = heap_alloc((dp->cNamedArgs+1)*sizeof(DISPID));
 241         if(!dp->rgdispidNamedArgs) {
 242             heap_free(dp->rgvarg);
 243             return E_OUTOFMEMORY;
 244         }
 245
 246         memcpy(dp->rgdispidNamedArgs+1, old, dp->cNamedArgs*sizeof(DISPID));
 247         dp->rgdispidNamedArgs[0] = DISPID_THIS;
 248         dp->cNamedArgs++;
 249     }else {
 250         dp->rgdispidNamedArgs = &this_id;
 251         dp->cNamedArgs = 1;
 252     }
 253
 254     return S_OK;
 255 }
 256
 257 static HRESULT invoke_prop_func(jsdisp_t *This, jsdisp_t *jsthis, dispex_prop_t *prop, WORD flags,
 258         DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 259 {
 260     HRESULT hres;
 261
 262     switch(prop->type) {
 263     case PROP_BUILTIN: {
 264         vdisp_t vthis;
 265
 266         if(flags == DISPATCH_CONSTRUCT && (prop->flags & DISPATCH_METHOD)) {
 267             WARN("%s is not a constructor\n", debugstr_w(prop->name));
 268             return E_INVALIDARG;
 269         }
 270
 271         set_jsdisp(&vthis, jsthis);
 272         hres = prop->u.p->invoke(This->ctx, &vthis, flags, dp, retv, ei, caller);
 273         vdisp_release(&vthis);
 274         return hres;
 275     }
 276     case PROP_PROTREF:
 277         return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref, flags, dp, retv, ei, caller);
 278     case PROP_VARIANT: {
 279         DISPPARAMS new_dp;
 280
 281         if(V_VT(&prop->u.var) != VT_DISPATCH) {
 282             FIXME("invoke vt %d\n", V_VT(&prop->u.var));
 283             return E_FAIL;
 284         }
 285
 286         TRACE("call %s %p\n", debugstr_w(prop->name), V_DISPATCH(&prop->u.var));
 287
 288         hres = set_this(&new_dp, dp, to_disp(jsthis));
 289         if(FAILED(hres))
 290             return hres;
 291
 292         hres = disp_call(This->ctx, V_DISPATCH(&prop->u.var), DISPID_VALUE, flags, &new_dp, retv, ei, caller);
 293
 294         if(new_dp.rgvarg != dp->rgvarg) {
 295             heap_free(new_dp.rgvarg);
 296             if(new_dp.cNamedArgs > 1)
 297                 heap_free(new_dp.rgdispidNamedArgs);
 298         }
 299
 300         return hres;
 301     }
 302     default:
 303         ERR("type %d\n", prop->type);
 304     }
 305
 306     return E_FAIL;
 307 }
 308
 309 static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop, DISPPARAMS *dp,
 310         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 311 {
 312     HRESULT hres;
 313
 314     switch(prop->type) {
 315     case PROP_BUILTIN:
 316         if(prop->u.p->flags & PROPF_METHOD) {
 317             jsdisp_t *obj;
 318             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
 319                     prop->u.p->flags, NULL, &obj);
 320             if(FAILED(hres))
 321                 break;
 322
 323             prop->type = PROP_VARIANT;
 324             var_set_jsdisp(&prop->u.var, obj);
 325             hres = VariantCopy(retv, &prop->u.var);
 326         }else {
 327             vdisp_t vthis;
 328
 329             set_jsdisp(&vthis, This);
 330             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYGET, dp, retv, ei, caller);
 331             vdisp_release(&vthis);
 332         }
 333         break;
 334     case PROP_PROTREF:
 335         hres = prop_get(This->prototype, This->prototype->props+prop->u.ref, dp, retv, ei, caller);
 336         break;
 337     case PROP_VARIANT:
 338         hres = VariantCopy(retv, &prop->u.var);
 339         break;
 340     default:
 341         ERR("type %d\n", prop->type);
 342         return E_FAIL;
 343     }
 344
 345     if(FAILED(hres)) {
 346         TRACE("fail %08x\n", hres);
 347         return hres;
 348     }
 349
 350     TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_variant(retv));
 351     return hres;
 352 }
 353
 354 static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, VARIANT *val,
 355         jsexcept_t *ei, IServiceProvider *caller)
 356 {
 357     HRESULT hres;
 358
 359     if(prop->flags & PROPF_CONST)
 360         return S_OK;
 361
 362     switch(prop->type) {
 363     case PROP_BUILTIN:
 364         if(!(prop->flags & PROPF_METHOD)) {
 365             DISPPARAMS dp = {val, NULL, 1, 0};
 366             vdisp_t vthis;
 367
 368             set_jsdisp(&vthis, This);
 369             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYPUT, &dp, NULL, ei, caller);
 370             vdisp_release(&vthis);
 371             return hres;
 372         }
 373     case PROP_PROTREF:
 374         prop->type = PROP_VARIANT;
 375         prop->flags = PROPF_ENUM;
 376         V_VT(&prop->u.var) = VT_EMPTY;
 377         break;
 378     case PROP_VARIANT:
 379         VariantClear(&prop->u.var);
 380         break;
 381     default:
 382         ERR("type %d\n", prop->type);
 383         return E_FAIL;
 384     }
 385
 386     hres = VariantCopy(&prop->u.var, val);
 387     if(FAILED(hres))
 388         return hres;
 389
 390     if(This->builtin_info->on_put)
 391         This->builtin_info->on_put(This, prop->name);
 392
 393     TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_variant(val));
 394     return S_OK;
 395 }
 396
 397 static HRESULT fill_protrefs(jsdisp_t *This)
 398 {
 399     dispex_prop_t *iter, *prop;
 400     HRESULT hres;
 401
 402     if(!This->prototype)
 403         return S_OK;
 404
 405     fill_protrefs(This->prototype);
 406
 407     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
 408         if(!iter->name)
 409             continue;
 410         hres = find_prop_name(This, iter->name, &prop);
 411         if(FAILED(hres))
 412             return hres;
 413         if(!prop) {
 414             prop = alloc_protref(This, iter->name, iter - This->prototype->props);
 415             if(!prop)
 416                 return E_OUTOFMEMORY;
 417         }
 418     }
 419
 420     return S_OK;
 421 }
 422
 423 #define DISPATCHEX_THIS(iface) DEFINE_THIS(jsdisp_t, IDispatchEx, iface)
 424
 425 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 426 {
 427     jsdisp_t *This = DISPATCHEX_THIS(iface);
 428
 429     if(IsEqualGUID(&IID_IUnknown, riid)) {
 430         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 431         *ppv = _IDispatchEx_(This);
 432     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 433         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 434         *ppv = _IDispatchEx_(This);
 435     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 436         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 437         *ppv = _IDispatchEx_(This);
 438     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
 439         TRACE("(%p)->(IID_IDispatchJS %p)\n", This, ppv);
 440         jsdisp_addref(This);
 441         *ppv = This;
 442         return S_OK;
 443     }else {
 444         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 445         *ppv = NULL;
 446         return E_NOINTERFACE;
 447     }
 448
 449     IUnknown_AddRef((IUnknown*)*ppv);
 450     return S_OK;
 451 }
 452
 453 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 454 {
 455     jsdisp_t *This = DISPATCHEX_THIS(iface);
 456     LONG ref = InterlockedIncrement(&This->ref);
 457
 458     TRACE("(%p) ref=%d\n", This, ref);
 459
 460     return ref;
 461 }
 462
 463 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 464 {
 465     jsdisp_t *This = DISPATCHEX_THIS(iface);
 466     LONG ref = InterlockedDecrement(&This->ref);
 467
 468     TRACE("(%p) ref=%d\n", This, ref);
 469
 470     if(!ref) {
 471         dispex_prop_t *prop;
 472
 473         for(prop = This->props; prop < This->props+This->prop_cnt; prop++) {
 474             if(prop->type == PROP_VARIANT)
 475                 VariantClear(&prop->u.var);
 476             heap_free(prop->name);
 477         }
 478         heap_free(This->props);
 479         script_release(This->ctx);
 480         if(This->prototype)
 481             jsdisp_release(This->prototype);
 482
 483         if(This->builtin_info->destructor)
 484             This->builtin_info->destructor(This);
 485         else
 486             heap_free(This);
 487     }
 488
 489     return ref;
 490 }
 491
 492 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 493 {
 494     jsdisp_t *This = DISPATCHEX_THIS(iface);
 495
 496     TRACE("(%p)->(%p)\n", This, pctinfo);
 497
 498     *pctinfo = 1;
 499     return S_OK;
 500 }
 501
 502 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 503                                               ITypeInfo **ppTInfo)
 504 {
 505     jsdisp_t *This = DISPATCHEX_THIS(iface);
 506     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 507     return E_NOTIMPL;
 508 }
 509
 510 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 511                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 512                                                 DISPID *rgDispId)
 513 {
 514     jsdisp_t *This = DISPATCHEX_THIS(iface);
 515     UINT i;
 516     HRESULT hres;
 517
 518     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 519           lcid, rgDispId);
 520
 521     for(i=0; i < cNames; i++) {
 522         hres = IDispatchEx_GetDispID(_IDispatchEx_(This), rgszNames[i], 0, rgDispId+i);
 523         if(FAILED(hres))
 524             return hres;
 525     }
 526
 527     return S_OK;
 528 }
 529
 530 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 531                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 532                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 533 {
 534     jsdisp_t *This = DISPATCHEX_THIS(iface);
 535
 536     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 537           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 538
 539     return IDispatchEx_InvokeEx(_IDispatchEx_(This), dispIdMember, lcid, wFlags,
 540             pDispParams, pVarResult, pExcepInfo, NULL);
 541 }
 542
 543 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 544 {
 545     jsdisp_t *This = DISPATCHEX_THIS(iface);
 546
 547     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 548
 549     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
 550         FIXME("Unsupported grfdex %x\n", grfdex);
 551         return E_NOTIMPL;
 552     }
 553
 554     return jsdisp_get_id(This, bstrName, grfdex, pid);
 555 }
 556
 557 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 558         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 559 {
 560     jsdisp_t *This = DISPATCHEX_THIS(iface);
 561     dispex_prop_t *prop;
 562     jsexcept_t jsexcept;
 563     HRESULT hres;
 564
 565     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 566
 567     if(pvarRes)
 568         V_VT(pvarRes) = VT_EMPTY;
 569
 570     prop = get_prop(This, id);
 571     if(!prop || prop->type == PROP_DELETED) {
 572         TRACE("invalid id\n");
 573         return DISP_E_MEMBERNOTFOUND;
 574     }
 575
 576     memset(&jsexcept, 0, sizeof(jsexcept));
 577
 578     switch(wFlags) {
 579     case DISPATCH_METHOD:
 580     case DISPATCH_CONSTRUCT:
 581         hres = invoke_prop_func(This, This, prop, wFlags, pdp, pvarRes, &jsexcept, pspCaller);
 582         break;
 583     case DISPATCH_PROPERTYGET:
 584         hres = prop_get(This, prop, pdp, pvarRes, &jsexcept, pspCaller);
 585         break;
 586     case DISPATCH_PROPERTYPUT: {
 587         DWORD i;
 588
 589         for(i=0; i < pdp->cNamedArgs; i++) {
 590             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
 591                 break;
 592         }
 593
 594         if(i == pdp->cNamedArgs) {
 595             TRACE("no value to set\n");
 596             return DISP_E_PARAMNOTOPTIONAL;
 597         }
 598
 599         hres = prop_put(This, prop, pdp->rgvarg+i, &jsexcept, pspCaller);
 600         break;
 601     }
 602     default:
 603         FIXME("Unimplemented flags %x\n", wFlags);
 604         return E_INVALIDARG;
 605     }
 606
 607     if(pei)
 608         *pei = jsexcept.ei;
 609
 610     return hres;
 611 }
 612
 613 static HRESULT delete_prop(dispex_prop_t *prop)
 614 {
 615     heap_free(prop->name);
 616     prop->name = NULL;
 617     prop->type = PROP_DELETED;
 618
 619     return S_OK;
 620 }
 621
 622 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 623 {
 624     jsdisp_t *This = DISPATCHEX_THIS(iface);
 625     dispex_prop_t *prop;
 626     HRESULT hres;
 627
 628     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 629
 630     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 631         FIXME("Unsupported grfdex %x\n", grfdex);
 632
 633     hres = find_prop_name(This, bstrName, &prop);
 634     if(FAILED(hres))
 635         return hres;
 636     if(!prop) {
 637         TRACE("not found\n");
 638         return S_OK;
 639     }
 640
 641     return delete_prop(prop);
 642 }
 643
 644 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 645 {
 646     jsdisp_t *This = DISPATCHEX_THIS(iface);
 647     dispex_prop_t *prop;
 648
 649     TRACE("(%p)->(%x)\n", This, id);
 650
 651     prop = get_prop(This, id);
 652     if(!prop) {
 653         WARN("invalid id\n");
 654         return DISP_E_MEMBERNOTFOUND;
 655     }
 656
 657     return delete_prop(prop);
 658 }
 659
 660 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 661 {
 662     jsdisp_t *This = DISPATCHEX_THIS(iface);
 663     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 664     return E_NOTIMPL;
 665 }
 666
 667 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 668 {
 669     jsdisp_t *This = DISPATCHEX_THIS(iface);
 670     dispex_prop_t *prop;
 671
 672     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 673
 674     prop = get_prop(This, id);
 675     if(!prop || !prop->name || prop->type == PROP_DELETED)
 676         return DISP_E_MEMBERNOTFOUND;
 677
 678     *pbstrName = SysAllocString(prop->name);
 679     if(!*pbstrName)
 680         return E_OUTOFMEMORY;
 681
 682     return S_OK;
 683 }
 684
 685 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 686 {
 687     jsdisp_t *This = DISPATCHEX_THIS(iface);
 688     dispex_prop_t *iter;
 689     HRESULT hres;
 690
 691     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 692
 693     if(id == DISPID_STARTENUM) {
 694         hres = fill_protrefs(This);
 695         if(FAILED(hres))
 696             return hres;
 697     }
 698
 699     iter = get_prop(This, id+1);
 700     if(!iter) {
 701         *pid = DISPID_STARTENUM;
 702         return S_FALSE;
 703     }
 704
 705     while(iter < This->props + This->prop_cnt) {
 706         if(iter->name && (get_flags(This, iter) & PROPF_ENUM)) {
 707             *pid = prop_to_id(This, iter);
 708             return S_OK;
 709         }
 710         iter++;
 711     }
 712
 713     *pid = DISPID_STARTENUM;
 714     return S_FALSE;
 715 }
 716
 717 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 718 {
 719     jsdisp_t *This = DISPATCHEX_THIS(iface);
 720     FIXME("(%p)->(%p)\n", This, ppunk);
 721     return E_NOTIMPL;
 722 }
 723
 724 #undef DISPATCHEX_THIS
 725
 726 static IDispatchExVtbl DispatchExVtbl = {
 727     DispatchEx_QueryInterface,
 728     DispatchEx_AddRef,
 729     DispatchEx_Release,
 730     DispatchEx_GetTypeInfoCount,
 731     DispatchEx_GetTypeInfo,
 732     DispatchEx_GetIDsOfNames,
 733     DispatchEx_Invoke,
 734     DispatchEx_GetDispID,
 735     DispatchEx_InvokeEx,
 736     DispatchEx_DeleteMemberByName,
 737     DispatchEx_DeleteMemberByDispID,
 738     DispatchEx_GetMemberProperties,
 739     DispatchEx_GetMemberName,
 740     DispatchEx_GetNextDispID,
 741     DispatchEx_GetNameSpaceParent
 742 };
 743
 744 HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
 745 {
 746     TRACE("%p (%p)\n", dispex, prototype);
 747
 748     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
 749     dispex->ref = 1;
 750     dispex->builtin_info = builtin_info;
 751
 752     dispex->props = heap_alloc((dispex->buf_size=4) * sizeof(dispex_prop_t));
 753     if(!dispex->props)
 754         return E_OUTOFMEMORY;
 755
 756     dispex->prototype = prototype;
 757     if(prototype)
 758         jsdisp_addref(prototype);
 759
 760     dispex->prop_cnt = 1;
 761     dispex->props[0].name = NULL;
 762     dispex->props[0].flags = 0;
 763     if(builtin_info->value_prop.invoke) {
 764         dispex->props[0].type = PROP_BUILTIN;
 765         dispex->props[0].u.p = &builtin_info->value_prop;
 766     }else {
 767         dispex->props[0].type = PROP_DELETED;
 768     }
 769
 770     script_addref(ctx);
 771     dispex->ctx = ctx;
 772
 773     return S_OK;
 774 }
 775
 776 static const builtin_info_t dispex_info = {
 777     JSCLASS_NONE,
 778     {NULL, NULL, 0},
 779     0, NULL,
 780     NULL,
 781     NULL
 782 };
 783
 784 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
 785 {
 786     jsdisp_t *ret;
 787     HRESULT hres;
 788
 789     ret = heap_alloc_zero(sizeof(jsdisp_t));
 790     if(!ret)
 791         return E_OUTOFMEMORY;
 792
 793     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
 794     if(FAILED(hres))
 795         return hres;
 796
 797     *dispex = ret;
 798     return S_OK;
 799 }
 800
 801 HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
 802 {
 803     jsdisp_t *prot = NULL;
 804     dispex_prop_t *prop;
 805     HRESULT hres;
 806
 807     static const WCHAR constructorW[] = {'c','o','n','s','t','r','u','c','t','o','r'};
 808     static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
 809
 810     hres = find_prop_name_prot(constr, prototypeW, &prop);
 811     if(SUCCEEDED(hres) && prop) {
 812         jsexcept_t jsexcept;
 813         VARIANT var;
 814
 815         V_VT(&var) = VT_EMPTY;
 816         memset(&jsexcept, 0, sizeof(jsexcept));
 817         hres = prop_get(constr, prop, NULL, &var, &jsexcept, NULL/*FIXME*/);
 818         if(FAILED(hres)) {
 819             ERR("Could not get prototype\n");
 820             return hres;
 821         }
 822
 823         if(V_VT(&var) == VT_DISPATCH)
 824             prot = iface_to_jsdisp((IUnknown*)V_DISPATCH(&var));
 825         VariantClear(&var);
 826     }
 827
 828     hres = init_dispex(dispex, ctx, builtin_info, prot);
 829
 830     if(prot)
 831         jsdisp_release(prot);
 832     if(FAILED(hres))
 833         return hres;
 834
 835     hres = ensure_prop_name(dispex, constructorW, FALSE, 0, &prop);
 836     if(SUCCEEDED(hres)) {
 837         jsexcept_t jsexcept;
 838         VARIANT var;
 839
 840         var_set_jsdisp(&var, constr);
 841         memset(&jsexcept, 0, sizeof(jsexcept));
 842         hres = prop_put(dispex, prop, &var, &jsexcept, NULL/*FIXME*/);
 843     }
 844     if(FAILED(hres))
 845         jsdisp_release(dispex);
 846
 847     return hres;
 848 }
 849
 850 jsdisp_t *iface_to_jsdisp(IUnknown *iface)
 851 {
 852     jsdisp_t *ret;
 853     HRESULT hres;
 854
 855     hres = IUnknown_QueryInterface(iface, &IID_IDispatchJS, (void**)&ret);
 856     if(FAILED(hres))
 857         return NULL;
 858
 859     return ret;
 860 }
 861
 862 HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
 863 {
 864     dispex_prop_t *prop;
 865     HRESULT hres;
 866
 867     if(flags & fdexNameEnsure)
 868         hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
 869     else
 870         hres = find_prop_name_prot(jsdisp, name, &prop);
 871     if(FAILED(hres))
 872         return hres;
 873
 874     if(prop) {
 875         *id = prop_to_id(jsdisp, prop);
 876         return S_OK;
 877     }
 878
 879     TRACE("not found %s\n", debugstr_w(name));
 880     return DISP_E_UNKNOWNNAME;
 881 }
 882
 883 HRESULT jsdisp_call_value(jsdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 884         jsexcept_t *ei, IServiceProvider *caller)
 885 {
 886     vdisp_t vdisp;
 887     HRESULT hres;
 888
 889     set_jsdisp(&vdisp, jsthis);
 890     hres = jsthis->builtin_info->value_prop.invoke(jsthis->ctx, &vdisp, flags, dp, retv, ei, caller);
 891     vdisp_release(&vdisp);
 892     return hres;
 893 }
 894
 895 HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 896         jsexcept_t *ei, IServiceProvider *caller)
 897 {
 898     dispex_prop_t *prop;
 899
 900     memset(ei, 0, sizeof(*ei));
 901     if(retv)
 902         V_VT(retv) = VT_EMPTY;
 903
 904     prop = get_prop(disp, id);
 905     if(!prop)
 906         return DISP_E_MEMBERNOTFOUND;
 907
 908     return invoke_prop_func(disp, disp, prop, flags, dp, retv, ei, caller);
 909 }
 910
 911 HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 912         jsexcept_t *ei, IServiceProvider *caller)
 913 {
 914     dispex_prop_t *prop;
 915     HRESULT hres;
 916
 917     hres = find_prop_name_prot(disp, name, &prop);
 918     if(FAILED(hres))
 919         return hres;
 920
 921     memset(ei, 0, sizeof(*ei));
 922     if(retv)
 923         V_VT(retv) = VT_EMPTY;
 924
 925     return invoke_prop_func(disp, disp, prop, flags, dp, retv, ei, caller);
 926 }
 927
 928 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 929         jsexcept_t *ei, IServiceProvider *caller)
 930 {
 931     jsdisp_t *jsdisp;
 932     IDispatchEx *dispex;
 933     HRESULT hres;
 934
 935     jsdisp = iface_to_jsdisp((IUnknown*)disp);
 936     if(jsdisp) {
 937         hres = jsdisp_call(jsdisp, id, flags, dp, retv, ei, caller);
 938         jsdisp_release(jsdisp);
 939         return hres;
 940     }
 941
 942     memset(ei, 0, sizeof(*ei));
 943
 944     if(retv)
 945         V_VT(retv) = VT_EMPTY;
 946     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 947     if(FAILED(hres)) {
 948         UINT err = 0;
 949
 950         if(flags == DISPATCH_CONSTRUCT) {
 951             WARN("IDispatch cannot be constructor\n");
 952             return DISP_E_MEMBERNOTFOUND;
 953         }
 954
 955         TRACE("using IDispatch\n");
 956         return IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, retv, &ei->ei, &err);
 957     }
 958
 959     hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, retv, &ei->ei, caller);
 960     IDispatchEx_Release(dispex);
 961
 962     return hres;
 963 }
 964
 965 HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
 966 {
 967     dispex_prop_t *prop;
 968     HRESULT hres;
 969
 970     hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM, &prop);
 971     if(FAILED(hres))
 972         return hres;
 973
 974     return prop_put(obj, prop, val, ei, caller);
 975 }
 976
 977 HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, VARIANT *val)
 978 {
 979     dispex_prop_t *prop;
 980     HRESULT hres;
 981
 982     hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM|PROPF_CONST, &prop);
 983     if(FAILED(hres))
 984         return hres;
 985
 986     return VariantCopy(&prop->u.var, val);
 987 }
 988
 989 HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
 990 {
 991     WCHAR buf[12];
 992
 993     static const WCHAR formatW[] = {'%','d',0};
 994
 995     sprintfW(buf, formatW, idx);
 996     return jsdisp_propput_name(obj, buf, val, ei, caller);
 997 }
 998
 999 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
1000 {
1001     jsdisp_t *jsdisp;
1002     HRESULT hres;
1003
1004     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1005     if(jsdisp) {
1006         dispex_prop_t *prop;
1007
1008         prop = get_prop(jsdisp, id);
1009         if(prop)
1010             hres = prop_put(jsdisp, prop, val, ei, caller);
1011         else
1012             hres = DISP_E_MEMBERNOTFOUND;
1013
1014         jsdisp_release(jsdisp);
1015     }else {
1016         DISPID dispid = DISPID_PROPERTYPUT;
1017         DISPPARAMS dp  = {val, &dispid, 1, 1};
1018         IDispatchEx *dispex;
1019
1020         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1021         if(SUCCEEDED(hres)) {
1022             hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei, caller);
1023             IDispatchEx_Release(dispex);
1024         }else {
1025             ULONG err = 0;
1026
1027             TRACE("using IDispatch\n");
1028             hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei, &err);
1029         }
1030     }
1031
1032     return hres;
1033 }
1034
1035 HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, VARIANT *var, jsexcept_t *ei, IServiceProvider *caller)
1036 {
1037     DISPPARAMS dp = {NULL, NULL, 0, 0};
1038     dispex_prop_t *prop;
1039     HRESULT hres;
1040
1041     hres = find_prop_name_prot(obj, name, &prop);
1042     if(FAILED(hres))
1043         return hres;
1044
1045     V_VT(var) = VT_EMPTY;
1046     if(!prop)
1047         return S_OK;
1048
1049     return prop_get(obj, prop, &dp, var, ei, caller);
1050 }
1051
1052 HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, VARIANT *var, jsexcept_t *ei, IServiceProvider *caller)
1053 {
1054     WCHAR name[12];
1055     DISPPARAMS dp = {NULL, NULL, 0, 0};
1056     dispex_prop_t *prop;
1057     HRESULT hres;
1058
1059     static const WCHAR formatW[] = {'%','d',0};
1060
1061     sprintfW(name, formatW, idx);
1062
1063     hres = find_prop_name_prot(obj, name, &prop);
1064     if(FAILED(hres))
1065         return hres;
1066
1067     V_VT(var) = VT_EMPTY;
1068     if(!prop)
1069         return DISP_E_UNKNOWNNAME;
1070
1071     return prop_get(obj, prop, &dp, var, ei, caller);
1072 }
1073
1074 HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
1075 {
1076     DISPPARAMS dp  = {NULL,NULL,0,0};
1077     dispex_prop_t *prop;
1078
1079     prop = get_prop(jsdisp, id);
1080     if(!prop)
1081         return DISP_E_MEMBERNOTFOUND;
1082
1083     V_VT(val) = VT_EMPTY;
1084     return prop_get(jsdisp, prop, &dp, val, ei, caller);
1085 }
1086
1087 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
1088 {
1089     DISPPARAMS dp  = {NULL,NULL,0,0};
1090     IDispatchEx *dispex;
1091     jsdisp_t *jsdisp;
1092     HRESULT hres;
1093
1094     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1095     if(jsdisp) {
1096         hres = jsdisp_propget(jsdisp, id, val, ei, caller);
1097         jsdisp_release(jsdisp);
1098         return hres;
1099     }
1100
1101     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1102     if(FAILED(hres)) {
1103         ULONG err = 0;
1104
1105         TRACE("using IDispatch\n");
1106         return IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei, &err);
1107     }
1108
1109     hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei, caller);
1110     IDispatchEx_Release(dispex);
1111
1112     return hres;
1113 }
1114
1115 HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
1116 {
1117     static const WCHAR formatW[] = {'%','d',0};
1118     WCHAR buf[12];
1119     dispex_prop_t *prop;
1120     HRESULT hres;
1121
1122     sprintfW(buf, formatW, idx);
1123
1124     hres = find_prop_name(obj, buf, &prop);
1125     if(FAILED(hres) || !prop)
1126         return hres;
1127
1128     return delete_prop(prop);
1129 }