kernel32: Reimplement GetPrivateProfileString16 on top of 32-bit functions and move...
[wine] / 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 } dynamic_prop_t;
56
57 typedef struct {
58     DispatchEx dispex;
59     const IUnknownVtbl *lpIUnknownVtbl;
60     DispatchEx *obj;
61     func_info_t *info;
62 } func_disp_t;
63
64 #define FUNCUNKNOWN(x)  ((IUnknown*) &(x)->lpIUnknownVtbl)
65
66 struct dispex_dynamic_data_t {
67     DWORD buf_size;
68     DWORD prop_cnt;
69     dynamic_prop_t *props;
70     func_disp_t **func_disps;
71 };
72
73 #define DISPID_DYNPROP_0    0x50000000
74 #define DISPID_DYNPROP_MAX  0x5fffffff
75
76 static ITypeLib *typelib;
77 static ITypeInfo *typeinfos[LAST_tid];
78 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
79
80 static REFIID tid_ids[] = {
81     &IID_NULL,
82     &DIID_DispCEventObj,
83     &DIID_DispDOMChildrenCollection,
84     &DIID_DispHTMLAnchorElement,
85     &DIID_DispHTMLBody,
86     &DIID_DispHTMLCommentElement,
87     &DIID_DispHTMLCurrentStyle,
88     &DIID_DispHTMLDocument,
89     &DIID_DispHTMLDOMTextNode,
90     &DIID_DispHTMLElementCollection,
91     &DIID_DispHTMLGenericElement,
92     &DIID_DispHTMLIFrame,
93     &DIID_DispHTMLImg,
94     &DIID_DispHTMLInputElement,
95     &DIID_DispHTMLLocation,
96     &DIID_DispHTMLNavigator,
97     &DIID_DispHTMLOptionElement,
98     &DIID_DispHTMLSelectElement,
99     &DIID_DispHTMLStyle,
100     &DIID_DispHTMLTable,
101     &DIID_DispHTMLTableRow,
102     &DIID_DispHTMLUnknownElement,
103     &DIID_DispHTMLWindow2,
104     &IID_IHTMLAnchorElement,
105     &IID_IHTMLBodyElement,
106     &IID_IHTMLBodyElement2,
107     &IID_IHTMLCommentElement,
108     &IID_IHTMLCurrentStyle,
109     &IID_IHTMLCurrentStyle2,
110     &IID_IHTMLCurrentStyle3,
111     &IID_IHTMLCurrentStyle4,
112     &IID_IHTMLDocument2,
113     &IID_IHTMLDocument3,
114     &IID_IHTMLDocument4,
115     &IID_IHTMLDocument5,
116     &IID_IHTMLDOMChildrenCollection,
117     &IID_IHTMLDOMNode,
118     &IID_IHTMLDOMNode2,
119     &IID_IHTMLDOMTextNode,
120     &IID_IHTMLElement,
121     &IID_IHTMLElement2,
122     &IID_IHTMLElement3,
123     &IID_IHTMLElement4,
124     &IID_IHTMLElementCollection,
125     &IID_IHTMLEventObj,
126     &IID_IHTMLFrameBase2,
127     &IID_IHTMLGenericElement,
128     &IID_IHTMLImgElement,
129     &IID_IHTMLInputElement,
130     &IID_IHTMLLocation,
131     &IID_IHTMLOptionElement,
132     &IID_IHTMLSelectElement,
133     &IID_IHTMLStyle,
134     &IID_IHTMLStyle2,
135     &IID_IHTMLStyle3,
136     &IID_IHTMLStyle4,
137     &IID_IHTMLTable,
138     &IID_IHTMLTableRow,
139     &IID_IHTMLTextContainer,
140     &IID_IHTMLUniqueName,
141     &IID_IHTMLWindow2,
142     &IID_IHTMLWindow3,
143     &IID_IOmNavigator
144 };
145
146 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
147 {
148     HRESULT hres;
149
150     if(!typelib) {
151         ITypeLib *tl;
152
153         hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
154         if(FAILED(hres)) {
155             ERR("LoadRegTypeLib failed: %08x\n", hres);
156             return hres;
157         }
158
159         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
160             ITypeLib_Release(tl);
161     }
162
163     if(!typeinfos[tid]) {
164         ITypeInfo *typeinfo;
165
166         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
167         if(FAILED(hres)) {
168             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
169             return hres;
170         }
171
172         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
173             ITypeInfo_Release(typeinfo);
174     }
175
176     *typeinfo = typeinfos[tid];
177     return S_OK;
178 }
179
180 void release_typelib(void)
181 {
182     dispex_data_t *iter;
183     unsigned i;
184
185     while(!list_empty(&dispex_data_list)) {
186         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
187         list_remove(&iter->entry);
188
189         for(i=0; i < iter->func_cnt; i++)
190             SysFreeString(iter->funcs[i].name);
191
192         heap_free(iter->funcs);
193         heap_free(iter->name_table);
194         heap_free(iter);
195     }
196
197     if(!typelib)
198         return;
199
200     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
201         if(typeinfos[i])
202             ITypeInfo_Release(typeinfos[i]);
203
204     ITypeLib_Release(typelib);
205 }
206
207 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
208 {
209     HRESULT hres;
210
211     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid)
212         return;
213
214     if(data->func_cnt == *size)
215         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
216
217     hres = ITypeInfo_GetDocumentation(dti, desc->memid, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
218     if(FAILED(hres))
219         return;
220
221     data->funcs[data->func_cnt].id = desc->memid;
222     data->funcs[data->func_cnt].tid = tid;
223     data->funcs[data->func_cnt].func_disp_idx = desc->invkind == INVOKE_FUNC ? data->func_disp_cnt++ : -1;
224
225     data->func_cnt++;
226 }
227
228 static int dispid_cmp(const void *p1, const void *p2)
229 {
230     return ((func_info_t*)p1)->id - ((func_info_t*)p2)->id;
231 }
232
233 static int func_name_cmp(const void *p1, const void *p2)
234 {
235     return strcmpiW((*(func_info_t**)p1)->name, (*(func_info_t**)p2)->name);
236 }
237
238 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
239 {
240     const tid_t *tid = This->data->iface_tids;
241     FUNCDESC *funcdesc;
242     dispex_data_t *data;
243     DWORD size = 16, i;
244     ITypeInfo *ti, *dti;
245     HRESULT hres;
246
247     TRACE("(%p)\n", This);
248
249     if(This->data->disp_tid) {
250         hres = get_typeinfo(This->data->disp_tid, &dti);
251         if(FAILED(hres)) {
252             ERR("Could not get disp type info: %08x\n", hres);
253             return NULL;
254         }
255     }
256
257     data = heap_alloc(sizeof(dispex_data_t));
258     data->func_cnt = 0;
259     data->func_disp_cnt = 0;
260     data->funcs = heap_alloc(size*sizeof(func_info_t));
261     list_add_tail(&dispex_data_list, &data->entry);
262
263     while(*tid) {
264         hres = get_typeinfo(*tid, &ti);
265         if(FAILED(hres))
266             break;
267
268         i=7;
269         while(1) {
270             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
271             if(FAILED(hres))
272                 break;
273
274             add_func_info(data, &size, *tid, funcdesc, dti);
275             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
276         }
277
278         tid++;
279     }
280
281     if(!data->func_cnt) {
282         heap_free(data->funcs);
283         data->funcs = NULL;
284     }else if(data->func_cnt != size) {
285         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
286     }
287
288     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
289
290     if(data->funcs) {
291         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
292         for(i=0; i < data->func_cnt; i++)
293             data->name_table[i] = data->funcs+i;
294         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
295     }else {
296         data->name_table = NULL;
297     }
298
299     return data;
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 HRESULT call_disp_func(IDispatch *disp, DISPPARAMS *dp)
328 {
329     EXCEPINFO ei;
330     IDispatchEx *dispex;
331     VARIANT res;
332     HRESULT hres;
333
334     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
335     if(FAILED(hres)) {
336         FIXME("Could not get IDispatchEx interface: %08x\n", hres);
337         return hres;
338     }
339
340     VariantInit(&res);
341     memset(&ei, 0, sizeof(ei));
342
343     hres = IDispatchEx_InvokeEx(dispex, 0, GetUserDefaultLCID(), DISPATCH_METHOD, dp, &res, &ei, NULL);
344
345     IDispatchEx_Release(dispex);
346     VariantClear(&res);
347     return hres;
348 }
349
350 static inline BOOL is_custom_dispid(DISPID id)
351 {
352     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
353 }
354
355 static inline BOOL is_dynamic_dispid(DISPID id)
356 {
357     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
358 }
359
360 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This, BOOL alloc)
361 {
362     return !alloc || This->dynamic_data
363         ? This->dynamic_data
364         : (This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t)));
365 }
366
367 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, BOOL alloc, dynamic_prop_t **ret)
368 {
369     dispex_dynamic_data_t *data = get_dynamic_data(This, alloc);
370     unsigned i;
371
372     if(!data) {
373         if(alloc)
374             return E_OUTOFMEMORY;
375
376         TRACE("not found %s\n", debugstr_w(name));
377         return DISP_E_UNKNOWNNAME;
378     }
379
380     for(i=0; i < data->prop_cnt; i++) {
381         if(!strcmpW(data->props[i].name, name)) {
382             *ret = data->props+i;
383             return S_OK;
384         }
385     }
386
387     TRACE("creating dynamic prop %s\n", debugstr_w(name));
388
389     if(!data->buf_size) {
390         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
391         if(!data->props)
392             return E_OUTOFMEMORY;
393         data->buf_size = 4;
394     }else if(data->buf_size == data->prop_cnt) {
395         dynamic_prop_t *new_props;
396
397         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
398         if(!new_props)
399             return E_OUTOFMEMORY;
400
401         data->props = new_props;
402         data->buf_size <<= 1;
403     }
404
405     data->props[data->prop_cnt].name = heap_strdupW(name);
406     VariantInit(&data->props[data->prop_cnt].var);
407     *ret = data->props + data->prop_cnt++;
408
409     return S_OK;
410 }
411
412 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
413 {
414     dynamic_prop_t *prop;
415     HRESULT hres;
416
417     hres = get_dynamic_prop(This, name, alloc, &prop);
418     if(FAILED(hres))
419         return hres;
420
421     *ret = &prop->var;
422     return S_OK;
423 }
424
425 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
426         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
427 {
428     if(This->data->vtbl && This->data->vtbl->value)
429         return This->data->vtbl->value(This->outer, lcid, flags, params, res, ei, caller);
430
431     switch(flags) {
432     case DISPATCH_PROPERTYGET:
433         V_VT(res) = VT_BSTR;
434         V_BSTR(res) = SysAllocString(objectW);
435         if(!V_BSTR(res))
436             return E_OUTOFMEMORY;
437         break;
438     default:
439         FIXME("Unimplemented flags %x\n", flags);
440         return E_NOTIMPL;
441     }
442
443     return S_OK;
444 }
445
446 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
447         EXCEPINFO *ei)
448 {
449     ITypeInfo *ti;
450     IUnknown *unk;
451     UINT argerr=0;
452     HRESULT hres;
453
454     hres = get_typeinfo(func->tid, &ti);
455     if(FAILED(hres)) {
456         ERR("Could not get type info: %08x\n", hres);
457         return hres;
458     }
459
460     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
461     if(FAILED(hres)) {
462         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
463         return E_FAIL;
464     }
465
466     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
467
468     IUnknown_Release(unk);
469     return hres;
470 }
471
472 #define FUNCTION_THIS(iface) DEFINE_THIS(func_disp_t, IUnknown, iface)
473
474 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
475 {
476     func_disp_t *This = FUNCTION_THIS(iface);
477
478     if(IsEqualGUID(&IID_IUnknown, riid)) {
479         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
480         *ppv = FUNCUNKNOWN(This);
481     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
482         return *ppv ? S_OK : E_NOINTERFACE;
483     }else {
484         *ppv = NULL;
485         return E_NOINTERFACE;
486     }
487
488     IUnknown_AddRef((IUnknown*)*ppv);
489     return S_OK;
490 }
491
492 static ULONG WINAPI Function_AddRef(IUnknown *iface)
493 {
494     func_disp_t *This = FUNCTION_THIS(iface);
495
496     TRACE("(%p)\n", This);
497
498     return IDispatchEx_AddRef(DISPATCHEX(This->obj));
499 }
500
501 static ULONG WINAPI Function_Release(IUnknown *iface)
502 {
503     func_disp_t *This = FUNCTION_THIS(iface);
504
505     TRACE("(%p)\n", This);
506
507     return IDispatchEx_Release(DISPATCHEX(This->obj));
508 }
509
510 static HRESULT function_value(IUnknown *iface, LCID lcid, WORD flags, DISPPARAMS *params,
511         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
512 {
513     func_disp_t *This = FUNCTION_THIS(iface);
514     HRESULT hres;
515
516     switch(flags) {
517     case DISPATCH_METHOD:
518         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
519         break;
520     default:
521         FIXME("Unimplemented flags %x\n", flags);
522         hres = E_NOTIMPL;
523     }
524
525     return hres;
526 }
527
528 #undef FUNCTION_THIS
529
530 static const IUnknownVtbl FunctionUnkVtbl = {
531     Function_QueryInterface,
532     Function_AddRef,
533     Function_Release
534 };
535
536 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
537     function_value,
538     NULL,
539     NULL
540 };
541
542 static const tid_t function_iface_tids[] = {0};
543
544 static dispex_static_data_t function_dispex = {
545     &function_dispex_vtbl,
546     NULL_tid,
547     NULL,
548     function_iface_tids
549 };
550
551 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
552 {
553     func_disp_t *ret;
554
555     ret = heap_alloc_zero(sizeof(func_disp_t));
556     if(!ret)
557         return NULL;
558
559     ret->lpIUnknownVtbl = &FunctionUnkVtbl;
560     init_dispex(&ret->dispex, FUNCUNKNOWN(ret),  &function_dispex);
561     ret->obj = obj;
562     ret->info = info;
563
564     return ret;
565 }
566
567 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
568         EXCEPINFO *ei)
569 {
570     HRESULT hres;
571
572     switch(flags) {
573     case DISPATCH_METHOD:
574         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
575         break;
576     case DISPATCH_PROPERTYGET: {
577         dispex_dynamic_data_t *dynamic_data;
578
579         if(func->id == DISPID_VALUE) {
580             BSTR ret;
581
582             ret = SysAllocString(objectW);
583             if(!ret)
584                 return E_OUTOFMEMORY;
585
586             V_VT(res) = VT_BSTR;
587             V_BSTR(res) = ret;
588             return S_OK;
589         }
590
591         dynamic_data = get_dynamic_data(This, TRUE);
592         if(!dynamic_data)
593             return E_OUTOFMEMORY;
594
595         if(!dynamic_data->func_disps) {
596             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
597             if(!dynamic_data->func_disps)
598                 return E_OUTOFMEMORY;
599         }
600
601         if(!dynamic_data->func_disps[func->func_disp_idx]) {
602             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
603             if(!dynamic_data->func_disps[func->func_disp_idx])
604                 return E_OUTOFMEMORY;
605         }
606
607         V_VT(res) = VT_DISPATCH;
608         V_DISPATCH(res) = (IDispatch*)DISPATCHEX(&dynamic_data->func_disps[func->func_disp_idx]->dispex);
609         IDispatch_AddRef(V_DISPATCH(res));
610         hres = S_OK;
611         break;
612     }
613     default:
614         FIXME("Unimplemented flags %x\n", flags);
615     case DISPATCH_PROPERTYPUT:
616         hres = E_NOTIMPL;
617     }
618
619     return hres;
620 }
621
622 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
623 {
624     int min, max, n;
625
626     min = 0;
627     max = data->func_cnt-1;
628
629     while(min <= max) {
630         n = (min+max)/2;
631
632         if(data->funcs[n].id == id) {
633             *ret = data->funcs+n;
634             return S_OK;
635         }
636
637         if(data->funcs[n].id < id)
638             min = n+1;
639         else
640             max = n-1;
641     }
642
643     WARN("invalid id %x\n", id);
644     return DISP_E_UNKNOWNNAME;
645 }
646
647 #define DISPATCHEX_THIS(iface) DEFINE_THIS(DispatchEx, IDispatchEx, iface)
648
649 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
650 {
651     DispatchEx *This = DISPATCHEX_THIS(iface);
652
653     return IUnknown_QueryInterface(This->outer, riid, ppv);
654 }
655
656 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
657 {
658     DispatchEx *This = DISPATCHEX_THIS(iface);
659
660     return IUnknown_AddRef(This->outer);
661 }
662
663 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
664 {
665     DispatchEx *This = DISPATCHEX_THIS(iface);
666
667     return IUnknown_Release(This->outer);
668 }
669
670 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
671 {
672     DispatchEx *This = DISPATCHEX_THIS(iface);
673
674     TRACE("(%p)->(%p)\n", This, pctinfo);
675
676     *pctinfo = 1;
677     return S_OK;
678 }
679
680 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
681                                               LCID lcid, ITypeInfo **ppTInfo)
682 {
683     DispatchEx *This = DISPATCHEX_THIS(iface);
684     HRESULT hres;
685
686     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
687
688     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
689     if(FAILED(hres))
690         return hres;
691
692     ITypeInfo_AddRef(*ppTInfo);
693     return S_OK;
694 }
695
696 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
697                                                 LPOLESTR *rgszNames, UINT cNames,
698                                                 LCID lcid, DISPID *rgDispId)
699 {
700     DispatchEx *This = DISPATCHEX_THIS(iface);
701     UINT i;
702     HRESULT hres;
703
704     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
705           lcid, rgDispId);
706
707     for(i=0; i < cNames; i++) {
708         hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
709         if(FAILED(hres))
710             return hres;
711     }
712
713     return S_OK;
714 }
715
716 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
717                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
718                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
719 {
720     DispatchEx *This = DISPATCHEX_THIS(iface);
721
722     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
723           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
724
725     return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
726                                 pDispParams, pVarResult, pExcepInfo, NULL);
727 }
728
729 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
730 {
731     DispatchEx *This = DISPATCHEX_THIS(iface);
732     dynamic_prop_t *dprop;
733     dispex_data_t *data;
734     int min, max, n, c;
735     HRESULT hres;
736
737     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
738
739     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit))
740         FIXME("Unsupported grfdex %x\n", grfdex);
741
742     data = get_dispex_data(This);
743     if(!data)
744         return E_FAIL;
745
746     min = 0;
747     max = data->func_cnt-1;
748
749     while(min <= max) {
750         n = (min+max)/2;
751
752         c = strcmpiW(data->name_table[n]->name, bstrName);
753         if(!c) {
754             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
755                 break;
756
757             *pid = data->name_table[n]->id;
758             return S_OK;
759         }
760
761         if(c > 0)
762             max = n-1;
763         else
764             min = n+1;
765     }
766
767     if(This->data->vtbl && This->data->vtbl->get_dispid) {
768         HRESULT hres;
769
770         hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
771         if(hres != DISP_E_UNKNOWNNAME)
772             return hres;
773     }
774
775     hres = get_dynamic_prop(This, bstrName, grfdex&fdexNameEnsure, &dprop);
776     if(FAILED(hres))
777         return hres;
778
779     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
780     return S_OK;
781 }
782
783 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
784         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
785 {
786     DispatchEx *This = DISPATCHEX_THIS(iface);
787     dispex_data_t *data;
788     func_info_t *func;
789     HRESULT hres;
790
791     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
792
793     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
794         return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
795
796     if(wFlags == DISPATCH_CONSTRUCT) {
797         FIXME("DISPATCH_CONSTRUCT not implemented\n");
798         return E_NOTIMPL;
799     }
800
801     if(is_dynamic_dispid(id)) {
802         DWORD idx = id - DISPID_DYNPROP_0;
803         VARIANT *var;
804
805         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
806             return DISP_E_UNKNOWNNAME;
807
808         var = &This->dynamic_data->props[idx].var;
809
810         switch(wFlags) {
811         case INVOKE_FUNC: {
812             DISPID named_arg = DISPID_THIS;
813             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
814             IDispatchEx *dispex;
815
816             if(V_VT(var) != VT_DISPATCH) {
817                 FIXME("invoke vt %d\n", V_VT(var));
818                 return E_NOTIMPL;
819             }
820
821             if(pdp->cNamedArgs) {
822                 FIXME("named args not supported\n");
823                 return E_NOTIMPL;
824             }
825
826             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
827             if(!dp.rgvarg)
828                 return E_OUTOFMEMORY;
829
830             dp.cArgs = pdp->cArgs+1;
831             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
832
833             V_VT(dp.rgvarg) = VT_DISPATCH;
834             V_DISPATCH(dp.rgvarg) = (IDispatch*)DISPATCHEX(This);
835
836             hres = IDispatch_QueryInterface(V_DISPATCH(var), &IID_IDispatchEx, (void**)&dispex);
837             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
838             if(SUCCEEDED(hres)) {
839                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
840                 IDispatchEx_Release(dispex);
841             }else {
842                 ULONG err = 0;
843                 hres = IDispatch_Invoke(V_DISPATCH(var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
844             }
845             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
846
847             heap_free(dp.rgvarg);
848             return hres;
849         }
850         case INVOKE_PROPERTYGET:
851             return VariantCopy(pvarRes, var);
852         case INVOKE_PROPERTYPUT:
853             VariantClear(var);
854             return VariantCopy(var, pdp->rgvarg);
855         default:
856             FIXME("unhandled wFlags %x\n", wFlags);
857             return E_NOTIMPL;
858         }
859     }
860
861     data = get_dispex_data(This);
862     if(!data)
863         return E_FAIL;
864
865     hres = get_builtin_func(data, id, &func);
866     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
867         return dispex_value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
868     if(FAILED(hres))
869         return hres;
870
871     if(func->func_disp_idx == -1)
872         hres = typeinfo_invoke(This, func, wFlags, pdp, pvarRes, pei);
873     else
874         hres = function_invoke(This, func, wFlags, pdp, pvarRes, pei);
875
876     return hres;
877 }
878
879 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
880 {
881     DispatchEx *This = DISPATCHEX_THIS(iface);
882     FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
883     return E_NOTIMPL;
884 }
885
886 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
887 {
888     DispatchEx *This = DISPATCHEX_THIS(iface);
889     FIXME("(%p)->(%x)\n", This, id);
890     return E_NOTIMPL;
891 }
892
893 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
894 {
895     DispatchEx *This = DISPATCHEX_THIS(iface);
896     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
897     return E_NOTIMPL;
898 }
899
900 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
901 {
902     DispatchEx *This = DISPATCHEX_THIS(iface);
903     dispex_data_t *data;
904     func_info_t *func;
905     HRESULT hres;
906
907     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
908
909     if(is_dynamic_dispid(id)) {
910         DWORD idx = id - DISPID_DYNPROP_0;
911
912         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
913             return DISP_E_UNKNOWNNAME;
914
915         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
916         if(!*pbstrName)
917             return E_OUTOFMEMORY;
918
919         return S_OK;
920     }
921
922     data = get_dispex_data(This);
923     if(!data)
924         return E_FAIL;
925
926     hres = get_builtin_func(data, id, &func);
927     if(FAILED(hres))
928         return hres;
929
930     *pbstrName = SysAllocString(func->name);
931     if(!*pbstrName)
932         return E_OUTOFMEMORY;
933     return S_OK;
934 }
935
936 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
937 {
938     DispatchEx *This = DISPATCHEX_THIS(iface);
939     dispex_data_t *data;
940     func_info_t *func;
941     HRESULT hres;
942
943     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
944
945     if(is_dynamic_dispid(id)) {
946         DWORD idx = id - DISPID_DYNPROP_0;
947
948         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
949             return DISP_E_UNKNOWNNAME;
950
951         if(idx+1 == This->dynamic_data->prop_cnt) {
952             *pid = DISPID_STARTENUM;
953             return S_FALSE;
954         }
955
956         *pid = id+1;
957         return S_OK;
958     }
959
960     data = get_dispex_data(This);
961     if(!data)
962         return E_FAIL;
963
964     if(id == DISPID_STARTENUM) {
965         func = data->funcs;
966     }else {
967         hres = get_builtin_func(data, id, &func);
968         if(FAILED(hres))
969             return hres;
970         func++;
971     }
972
973     while(func < data->funcs+data->func_cnt) {
974         /* FIXME: Skip hidden properties */
975         if(func->func_disp_idx == -1) {
976             *pid = func->id;
977             return S_OK;
978         }
979         func++;
980     }
981
982     if(This->dynamic_data && This->dynamic_data->prop_cnt) {
983         *pid = DISPID_DYNPROP_0;
984         return S_OK;
985     }
986
987     *pid = DISPID_STARTENUM;
988     return S_FALSE;
989 }
990
991 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
992 {
993     DispatchEx *This = DISPATCHEX_THIS(iface);
994     FIXME("(%p)->(%p)\n", This, ppunk);
995     return E_NOTIMPL;
996 }
997
998 #undef DISPATCHEX_THIS
999
1000 static IDispatchExVtbl DispatchExVtbl = {
1001     DispatchEx_QueryInterface,
1002     DispatchEx_AddRef,
1003     DispatchEx_Release,
1004     DispatchEx_GetTypeInfoCount,
1005     DispatchEx_GetTypeInfo,
1006     DispatchEx_GetIDsOfNames,
1007     DispatchEx_Invoke,
1008     DispatchEx_GetDispID,
1009     DispatchEx_InvokeEx,
1010     DispatchEx_DeleteMemberByName,
1011     DispatchEx_DeleteMemberByDispID,
1012     DispatchEx_GetMemberProperties,
1013     DispatchEx_GetMemberName,
1014     DispatchEx_GetNextDispID,
1015     DispatchEx_GetNameSpaceParent
1016 };
1017
1018 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1019 {
1020     static const IID IID_UndocumentedScriptIface =
1021         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1022     static const IID IID_IDispatchJS =
1023         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1024
1025     if(IsEqualGUID(&IID_IDispatch, riid)) {
1026         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1027         *ppv = DISPATCHEX(This);
1028     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1029         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1030         *ppv = DISPATCHEX(This);
1031     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1032         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1033         *ppv = NULL;
1034     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1035         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1036         *ppv = NULL;
1037     }else {
1038         return FALSE;
1039     }
1040
1041     if(*ppv)
1042         IUnknown_AddRef((IUnknown*)*ppv);
1043     return TRUE;
1044 }
1045
1046 void release_dispex(DispatchEx *This)
1047 {
1048     dynamic_prop_t *prop;
1049
1050     if(!This->dynamic_data)
1051         return;
1052
1053     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1054         VariantClear(&prop->var);
1055         heap_free(prop->name);
1056     }
1057
1058     heap_free(This->dynamic_data->props);
1059
1060     if(This->dynamic_data->func_disps) {
1061         unsigned i;
1062
1063         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1064             if(This->dynamic_data->func_disps[i]) {
1065                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1066                 heap_free(This->dynamic_data->func_disps[i]);
1067             }
1068         }
1069
1070         heap_free(This->dynamic_data->func_disps);
1071     }
1072
1073     heap_free(This->dynamic_data);
1074 }
1075
1076 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1077 {
1078     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
1079     dispex->outer = outer;
1080     dispex->data = data;
1081     dispex->dynamic_data = NULL;
1082 }