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Sweden-Number/dlls/mshtml/dispex.c

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/*
* Copyright 2008-2009 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <assert.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "wine/debug.h"
#include "mshtml_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
#define MAX_ARGS 16
static CRITICAL_SECTION cs_dispex_static_data;
static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
{
0, 0, &cs_dispex_static_data,
{ &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
};
static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
static const WCHAR objectW[] = {'[','o','b','j','e','c','t',']',0};
typedef struct {
DISPID id;
BSTR name;
tid_t tid;
SHORT call_vtbl_off;
SHORT put_vtbl_off;
SHORT get_vtbl_off;
SHORT func_disp_idx;
USHORT argc;
VARTYPE prop_vt;
VARTYPE *arg_types;
} func_info_t;
struct dispex_data_t {
DWORD func_cnt;
func_info_t *funcs;
func_info_t **name_table;
DWORD func_disp_cnt;
struct list entry;
};
typedef struct {
VARIANT var;
LPWSTR name;
DWORD flags;
} dynamic_prop_t;
#define DYNPROP_DELETED 0x01
typedef struct {
DispatchEx dispex;
IUnknown IUnknown_iface;
LONG ref;
DispatchEx *obj;
func_info_t *info;
} func_disp_t;
typedef struct {
func_disp_t *func_obj;
VARIANT val;
} func_obj_entry_t;
struct dispex_dynamic_data_t {
DWORD buf_size;
DWORD prop_cnt;
dynamic_prop_t *props;
func_obj_entry_t *func_disps;
};
#define DISPID_DYNPROP_0 0x50000000
#define DISPID_DYNPROP_MAX 0x5fffffff
#define FDEX_VERSION_MASK 0xf0000000
static ITypeLib *typelib;
static ITypeInfo *typeinfos[LAST_tid];
static struct list dispex_data_list = LIST_INIT(dispex_data_list);
static REFIID tid_ids[] = {
#define XIID(iface) &IID_ ## iface,
#define XDIID(iface) &DIID_ ## iface,
TID_LIST
#undef XIID
#undef XDIID
};
static HRESULT load_typelib(void)
{
HRESULT hres;
ITypeLib *tl;
hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
if(FAILED(hres)) {
ERR("LoadRegTypeLib failed: %08x\n", hres);
return hres;
}
if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
ITypeLib_Release(tl);
return hres;
}
static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
{
HRESULT hres;
if (!typelib)
hres = load_typelib();
if (!typelib)
return hres;
if(!typeinfos[tid]) {
ITypeInfo *ti;
hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
if(FAILED(hres)) {
ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_mshtml_guid(tid_ids[tid]), hres);
return hres;
}
if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
ITypeInfo_Release(ti);
}
*typeinfo = typeinfos[tid];
return S_OK;
}
void release_typelib(void)
{
dispex_data_t *iter;
unsigned i;
while(!list_empty(&dispex_data_list)) {
iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
list_remove(&iter->entry);
for(i=0; i < iter->func_cnt; i++)
SysFreeString(iter->funcs[i].name);
heap_free(iter->funcs);
heap_free(iter->name_table);
heap_free(iter);
}
if(!typelib)
return;
for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
if(typeinfos[i])
ITypeInfo_Release(typeinfos[i]);
ITypeLib_Release(typelib);
DeleteCriticalSection(&cs_dispex_static_data);
}
HRESULT get_htmldoc_classinfo(ITypeInfo **typeinfo)
{
HRESULT hres;
if (!typelib)
hres = load_typelib();
if (!typelib)
return hres;
hres = ITypeLib_GetTypeInfoOfGuid(typelib, &CLSID_HTMLDocument, typeinfo);
if(FAILED(hres))
ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
return hres;
}
/* Not all argument types are supported yet */
#define BUILTIN_ARG_TYPES_SWITCH \
CASE_VT(VT_I2, INT16, V_I2); \
CASE_VT(VT_I4, INT32, V_I4); \
CASE_VT(VT_R4, float, V_R4); \
CASE_VT(VT_BSTR, BSTR, V_BSTR); \
CASE_VT(VT_BOOL, VARIANT_BOOL, V_BOOL)
/* List all types used by IDispatchEx-based properties */
#define BUILTIN_TYPES_SWITCH \
BUILTIN_ARG_TYPES_SWITCH; \
CASE_VT(VT_VARIANT, VARIANT, *); \
CASE_VT(VT_PTR, void*, V_BYREF); \
CASE_VT(VT_UNKNOWN, IUnknown*, V_UNKNOWN); \
CASE_VT(VT_DISPATCH, IDispatch*, V_DISPATCH)
static BOOL is_arg_type_supported(VARTYPE vt)
{
switch(vt) {
#define CASE_VT(x,a,b) case x: return TRUE
BUILTIN_ARG_TYPES_SWITCH;
#undef CASE_VT
}
return FALSE;
}
static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
{
func_info_t *info;
HRESULT hres;
if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid) {
info = data->funcs+data->func_cnt-1;
}else {
if(data->func_cnt == *size)
data->funcs = heap_realloc_zero(data->funcs, (*size <<= 1)*sizeof(func_info_t));
info = data->funcs+data->func_cnt;
hres = ITypeInfo_GetDocumentation(dti, desc->memid, &info->name, NULL, NULL, NULL);
if(FAILED(hres))
return;
data->func_cnt++;
info->id = desc->memid;
info->tid = tid;
info->func_disp_idx = -1;
info->prop_vt = VT_EMPTY;
}
if(desc->invkind & DISPATCH_METHOD) {
unsigned i;
info->func_disp_idx = data->func_disp_cnt++;
info->argc = desc->cParams;
assert(info->argc < MAX_ARGS);
assert(desc->funckind == FUNC_DISPATCH);
info->arg_types = heap_alloc(sizeof(*info->arg_types) * info->argc);
if(!info->arg_types)
return; /* FIXME: real error instead of fallback */
for(i=0; i < info->argc; i++)
info->arg_types[i] = desc->lprgelemdescParam[i].tdesc.vt;
info->prop_vt = desc->elemdescFunc.tdesc.vt;
if(info->prop_vt != VT_VOID && !is_arg_type_supported(info->prop_vt)) {
TRACE("%s: return type %d\n", debugstr_w(info->name), info->prop_vt);
return; /* Fallback to ITypeInfo::Invoke */
}
if(desc->cParamsOpt) {
TRACE("%s: optional params\n", debugstr_w(info->name));
return; /* Fallback to ITypeInfo::Invoke */
}
for(i=0; i < info->argc; i++) {
if(!is_arg_type_supported(info->arg_types[i])) {
return; /* Fallback to ITypeInfo for unsupported arg types */
}
if(desc->lprgelemdescParam[i].u.paramdesc.wParamFlags & PARAMFLAG_FHASDEFAULT) {
TRACE("%s param %d: default value\n", debugstr_w(info->name), i);
return; /* Fallback to ITypeInfo::Invoke */
}
}
assert(info->argc <= MAX_ARGS);
assert(desc->callconv == CC_STDCALL);
info->call_vtbl_off = desc->oVft/sizeof(void*);
}else if(desc->invkind & (DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYGET)) {
VARTYPE vt = VT_EMPTY;
if(desc->invkind & DISPATCH_PROPERTYGET) {
vt = desc->elemdescFunc.tdesc.vt;
info->get_vtbl_off = desc->oVft/sizeof(void*);
}
if(desc->invkind & DISPATCH_PROPERTYPUT) {
assert(desc->cParams == 1);
vt = desc->lprgelemdescParam->tdesc.vt;
info->put_vtbl_off = desc->oVft/sizeof(void*);
}
assert(info->prop_vt == VT_EMPTY || vt == info->prop_vt);
info->prop_vt = vt;
}
}
static int dispid_cmp(const void *p1, const void *p2)
{
return ((const func_info_t*)p1)->id - ((const func_info_t*)p2)->id;
}
static int func_name_cmp(const void *p1, const void *p2)
{
return strcmpiW((*(func_info_t* const*)p1)->name, (*(func_info_t* const*)p2)->name);
}
static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
{
const tid_t *tid = This->data->iface_tids;
FUNCDESC *funcdesc;
dispex_data_t *data;
DWORD size = 16, i;
ITypeInfo *ti, *dti;
HRESULT hres;
TRACE("(%p)\n", This);
if(This->data->disp_tid) {
hres = get_typeinfo(This->data->disp_tid, &dti);
if(FAILED(hres)) {
ERR("Could not get disp type info: %08x\n", hres);
return NULL;
}
}
data = heap_alloc(sizeof(dispex_data_t));
data->func_cnt = 0;
data->func_disp_cnt = 0;
data->funcs = heap_alloc_zero(size*sizeof(func_info_t));
list_add_tail(&dispex_data_list, &data->entry);
while(*tid) {
hres = get_typeinfo(*tid, &ti);
if(FAILED(hres))
break;
i=7;
while(1) {
hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
if(FAILED(hres))
break;
add_func_info(data, &size, *tid, funcdesc, dti);
ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
}
tid++;
}
if(!data->func_cnt) {
heap_free(data->funcs);
data->name_table = NULL;
data->funcs = NULL;
return data;
}
data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
for(i = 1; i < data->func_cnt && data->funcs[i-1].id != data->funcs[i].id; i++);
if(i < data->func_cnt) {
unsigned j = i--;
/* We have at least one duplicated property. This may happen if more than one
* interface implements the same property. We have to remove these duplicated
* entries. */
while(j < data->func_cnt) {
while(j+1 < data->func_cnt && data->funcs[j+1].id == data->funcs[j].id)
j++;
data->funcs[i++] = data->funcs[j++];
}
data->func_cnt = i;
}
data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
for(i=0; i < data->func_cnt; i++)
data->name_table[i] = data->funcs+i;
qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
return data;
}
static int id_cmp(const void *p1, const void *p2)
{
return *(const DISPID*)p1 - *(const DISPID*)p2;
}
HRESULT get_dispids(tid_t tid, DWORD *ret_size, DISPID **ret)
{
unsigned i, func_cnt;
FUNCDESC *funcdesc;
ITypeInfo *ti;
TYPEATTR *attr;
DISPID *ids;
HRESULT hres;
hres = get_typeinfo(tid, &ti);
if(FAILED(hres))
return hres;
hres = ITypeInfo_GetTypeAttr(ti, &attr);
if(FAILED(hres)) {
ITypeInfo_Release(ti);
return hres;
}
func_cnt = attr->cFuncs;
ITypeInfo_ReleaseTypeAttr(ti, attr);
ids = heap_alloc(func_cnt*sizeof(DISPID));
if(!ids) {
ITypeInfo_Release(ti);
return E_OUTOFMEMORY;
}
for(i=0; i < func_cnt; i++) {
hres = ITypeInfo_GetFuncDesc(ti, i, &funcdesc);
if(FAILED(hres))
break;
ids[i] = funcdesc->memid;
ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
}
ITypeInfo_Release(ti);
if(FAILED(hres)) {
heap_free(ids);
return hres;
}
qsort(ids, func_cnt, sizeof(DISPID), id_cmp);
*ret_size = func_cnt;
*ret = ids;
return S_OK;
}
static dispex_data_t *get_dispex_data(DispatchEx *This)
{
if(This->data->data)
return This->data->data;
EnterCriticalSection(&cs_dispex_static_data);
if(!This->data->data)
This->data->data = preprocess_dispex_data(This);
LeaveCriticalSection(&cs_dispex_static_data);
return This->data->data;
}
static inline BOOL is_custom_dispid(DISPID id)
{
return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
}
static inline BOOL is_dynamic_dispid(DISPID id)
{
return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
}
dispex_prop_type_t get_dispid_type(DISPID id)
{
if(is_dynamic_dispid(id))
return DISPEXPROP_DYNAMIC;
if(is_custom_dispid(id))
return DISPEXPROP_CUSTOM;
return DISPEXPROP_BUILTIN;
}
static HRESULT variant_copy(VARIANT *dest, VARIANT *src)
{
if(V_VT(src) == VT_BSTR && !V_BSTR(src)) {
V_VT(dest) = VT_BSTR;
V_BSTR(dest) = NULL;
return S_OK;
}
return VariantCopy(dest, src);
}
static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This)
{
if(This->dynamic_data)
return This->dynamic_data;
This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
if(!This->dynamic_data)
return NULL;
if(This->data->vtbl && This->data->vtbl->populate_props)
This->data->vtbl->populate_props(This);
return This->dynamic_data;
}
static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
{
const BOOL alloc = flags & fdexNameEnsure;
dispex_dynamic_data_t *data;
dynamic_prop_t *prop;
data = get_dynamic_data(This);
if(!data)
return E_OUTOFMEMORY;
for(prop = data->props; prop < data->props+data->prop_cnt; prop++) {
if(flags & fdexNameCaseInsensitive ? !strcmpiW(prop->name, name) : !strcmpW(prop->name, name)) {
if(prop->flags & DYNPROP_DELETED) {
if(!alloc)
return DISP_E_UNKNOWNNAME;
prop->flags &= ~DYNPROP_DELETED;
}
*ret = prop;
return S_OK;
}
}
if(!alloc)
return DISP_E_UNKNOWNNAME;
TRACE("creating dynamic prop %s\n", debugstr_w(name));
if(!data->buf_size) {
data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
if(!data->props)
return E_OUTOFMEMORY;
data->buf_size = 4;
}else if(data->buf_size == data->prop_cnt) {
dynamic_prop_t *new_props;
new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
if(!new_props)
return E_OUTOFMEMORY;
data->props = new_props;
data->buf_size <<= 1;
}
prop = data->props + data->prop_cnt;
prop->name = heap_strdupW(name);
if(!prop->name)
return E_OUTOFMEMORY;
VariantInit(&prop->var);
prop->flags = 0;
data->prop_cnt++;
*ret = prop;
return S_OK;
}
HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
{
dynamic_prop_t *prop;
HRESULT hres;
hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
if(FAILED(hres))
return hres;
*ret = &prop->var;
return S_OK;
}
HRESULT dispex_get_dynid(DispatchEx *This, const WCHAR *name, DISPID *id)
{
dynamic_prop_t *prop;
HRESULT hres;
hres = get_dynamic_prop(This, name, fdexNameEnsure, &prop);
if(FAILED(hres))
return hres;
*id = DISPID_DYNPROP_0 + (prop - This->dynamic_data->props);
return S_OK;
}
static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
{
if(This->data->vtbl && This->data->vtbl->value)
return This->data->vtbl->value(This, lcid, flags, params, res, ei, caller);
switch(flags) {
case DISPATCH_PROPERTYGET:
V_VT(res) = VT_BSTR;
V_BSTR(res) = SysAllocString(objectW);
if(!V_BSTR(res))
return E_OUTOFMEMORY;
break;
default:
FIXME("Unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
EXCEPINFO *ei)
{
ITypeInfo *ti;
IUnknown *unk;
UINT argerr=0;
HRESULT hres;
hres = get_typeinfo(func->tid, &ti);
if(FAILED(hres)) {
ERR("Could not get type info: %08x\n", hres);
return hres;
}
hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
if(FAILED(hres)) {
ERR("Could not get iface %s: %08x\n", debugstr_mshtml_guid(tid_ids[func->tid]), hres);
return E_FAIL;
}
hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
IUnknown_Release(unk);
return hres;
}
static inline func_disp_t *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, func_disp_t, IUnknown_iface);
}
static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
{
func_disp_t *This = impl_from_IUnknown(iface);
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = &This->IUnknown_iface;
}else if(dispex_query_interface(&This->dispex, riid, ppv)) {
return *ppv ? S_OK : E_NOINTERFACE;
}else {
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI Function_AddRef(IUnknown *iface)
{
func_disp_t *This = impl_from_IUnknown(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI Function_Release(IUnknown *iface)
{
func_disp_t *This = impl_from_IUnknown(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
assert(!This->obj);
release_dispex(&This->dispex);
heap_free(This);
}
return ref;
}
static const IUnknownVtbl FunctionUnkVtbl = {
Function_QueryInterface,
Function_AddRef,
Function_Release
};
static inline func_disp_t *impl_from_DispatchEx(DispatchEx *iface)
{
return CONTAINING_RECORD(iface, func_disp_t, dispex);
}
static HRESULT function_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *params,
VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
{
func_disp_t *This = impl_from_DispatchEx(dispex);
HRESULT hres;
switch(flags) {
case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
if(!res)
return E_INVALIDARG;
/* fall through */
case DISPATCH_METHOD:
if(!This->obj)
return E_UNEXPECTED;
hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
break;
case DISPATCH_PROPERTYGET: {
unsigned name_len;
WCHAR *ptr;
BSTR str;
static const WCHAR func_prefixW[] =
{'\n','f','u','n','c','t','i','o','n',' '};
static const WCHAR func_suffixW[] =
{'(',')',' ','{','\n',' ',' ',' ',' ','[','n','a','t','i','v','e',' ','c','o','d','e',']','\n','}','\n'};
/* FIXME: This probably should be more generic. Also we should try to get IID_IActiveScriptSite and SID_GetCaller. */
if(!caller)
return E_ACCESSDENIED;
name_len = SysStringLen(This->info->name);
ptr = str = SysAllocStringLen(NULL, name_len + (sizeof(func_prefixW)+sizeof(func_suffixW))/sizeof(WCHAR));
if(!str)
return E_OUTOFMEMORY;
memcpy(ptr, func_prefixW, sizeof(func_prefixW));
ptr += sizeof(func_prefixW)/sizeof(WCHAR);
memcpy(ptr, This->info->name, name_len*sizeof(WCHAR));
ptr += name_len;
memcpy(ptr, func_suffixW, sizeof(func_suffixW));
V_VT(res) = VT_BSTR;
V_BSTR(res) = str;
return S_OK;
}
default:
FIXME("Unimplemented flags %x\n", flags);
hres = E_NOTIMPL;
}
return hres;
}
static const dispex_static_data_vtbl_t function_dispex_vtbl = {
function_value,
NULL,
NULL,
NULL
};
static const tid_t function_iface_tids[] = {0};
static dispex_static_data_t function_dispex = {
&function_dispex_vtbl,
NULL_tid,
NULL,
function_iface_tids
};
static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
{
func_disp_t *ret;
ret = heap_alloc_zero(sizeof(func_disp_t));
if(!ret)
return NULL;
ret->IUnknown_iface.lpVtbl = &FunctionUnkVtbl;
init_dispex(&ret->dispex, &ret->IUnknown_iface, &function_dispex);
ret->ref = 1;
ret->obj = obj;
ret->info = info;
return ret;
}
static HRESULT invoke_disp_value(DispatchEx *This, IDispatch *func_disp, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
{
DISPID named_arg = DISPID_THIS;
DISPPARAMS new_dp = {NULL, &named_arg, 0, 1};
IDispatchEx *dispex;
HRESULT hres;
if(dp->cNamedArgs) {
FIXME("named args not supported\n");
return E_NOTIMPL;
}
new_dp.rgvarg = heap_alloc((dp->cArgs+1)*sizeof(VARIANTARG));
if(!new_dp.rgvarg)
return E_OUTOFMEMORY;
new_dp.cArgs = dp->cArgs+1;
memcpy(new_dp.rgvarg+1, dp->rgvarg, dp->cArgs*sizeof(VARIANTARG));
V_VT(new_dp.rgvarg) = VT_DISPATCH;
V_DISPATCH(new_dp.rgvarg) = (IDispatch*)&This->IDispatchEx_iface;
hres = IDispatch_QueryInterface(func_disp, &IID_IDispatchEx, (void**)&dispex);
TRACE(">>>\n");
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, flags, &new_dp, res, ei, caller);
IDispatchEx_Release(dispex);
}else {
ULONG err = 0;
hres = IDispatch_Invoke(func_disp, DISPID_VALUE, &IID_NULL, lcid, flags, &new_dp, res, ei, &err);
}
if(SUCCEEDED(hres))
TRACE("<<< %s\n", debugstr_variant(res));
else
WARN("<<< %08x\n", hres);
heap_free(new_dp.rgvarg);
return hres;
}
static HRESULT get_func_obj_entry(DispatchEx *This, func_info_t *func, func_obj_entry_t **ret)
{
dispex_dynamic_data_t *dynamic_data;
func_obj_entry_t *entry;
dynamic_data = get_dynamic_data(This);
if(!dynamic_data)
return E_OUTOFMEMORY;
if(!dynamic_data->func_disps) {
dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(*dynamic_data->func_disps));
if(!dynamic_data->func_disps)
return E_OUTOFMEMORY;
}
entry = dynamic_data->func_disps + func->func_disp_idx;
if(!entry->func_obj) {
entry->func_obj = create_func_disp(This, func);
if(!entry->func_obj)
return E_OUTOFMEMORY;
IDispatchEx_AddRef(&entry->func_obj->dispex.IDispatchEx_iface);
V_VT(&entry->val) = VT_DISPATCH;
V_DISPATCH(&entry->val) = (IDispatch*)&entry->func_obj->dispex.IDispatchEx_iface;
}
*ret = entry;
return S_OK;
}
static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
{
int min, max, n;
min = 0;
max = data->func_cnt-1;
while(min <= max) {
n = (min+max)/2;
if(data->funcs[n].id == id) {
*ret = data->funcs+n;
return S_OK;
}
if(data->funcs[n].id < id)
min = n+1;
else
max = n-1;
}
WARN("invalid id %x\n", id);
return DISP_E_UNKNOWNNAME;
}
static HRESULT get_builtin_id(DispatchEx *This, BSTR name, DWORD grfdex, DISPID *ret)
{
dispex_data_t *data;
int min, max, n, c;
data = get_dispex_data(This);
if(!data)
return E_FAIL;
min = 0;
max = data->func_cnt-1;
while(min <= max) {
n = (min+max)/2;
c = strcmpiW(data->name_table[n]->name, name);
if(!c) {
if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, name))
break;
*ret = data->name_table[n]->id;
return S_OK;
}
if(c > 0)
max = n-1;
else
min = n+1;
}
if(This->data->vtbl && This->data->vtbl->get_dispid) {
HRESULT hres;
hres = This->data->vtbl->get_dispid(This, name, grfdex, ret);
if(hres != DISP_E_UNKNOWNNAME)
return hres;
}
return DISP_E_UNKNOWNNAME;
}
static HRESULT change_type(VARIANT *dst, VARIANT *src, VARTYPE vt, IServiceProvider *caller)
{
V_VT(dst) = VT_EMPTY;
if(caller) {
IVariantChangeType *change_type = NULL;
HRESULT hres;
hres = IServiceProvider_QueryService(caller, &SID_VariantConversion, &IID_IVariantChangeType, (void**)&change_type);
if(SUCCEEDED(hres)) {
hres = IVariantChangeType_ChangeType(change_type, dst, src, LOCALE_NEUTRAL, vt);
IVariantChangeType_Release(change_type);
return hres;
}
}
switch(vt) {
case VT_BOOL:
if(V_VT(src) == VT_BSTR) {
V_VT(dst) = VT_BOOL;
V_BOOL(dst) = V_BSTR(src) && *V_BSTR(src) ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
break;
}
return VariantChangeType(dst, src, 0, vt);
}
static HRESULT builtin_propget(DispatchEx *This, func_info_t *func, DISPPARAMS *dp, VARIANT *res)
{
IUnknown *iface;
HRESULT hres;
if(dp && dp->cArgs) {
FIXME("cArgs %d\n", dp->cArgs);
return E_NOTIMPL;
}
assert(func->get_vtbl_off);
hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&iface);
if(SUCCEEDED(hres)) {
switch(func->prop_vt) {
#define CASE_VT(vt,type,access) \
case vt: { \
type val; \
hres = ((HRESULT (WINAPI*)(IUnknown*,type*))((void**)iface->lpVtbl)[func->get_vtbl_off])(iface,&val); \
if(SUCCEEDED(hres)) \
access(res) = val; \
} \
break
BUILTIN_TYPES_SWITCH;
#undef CASE_VT
default:
FIXME("Unhandled vt %d\n", func->prop_vt);
hres = E_NOTIMPL;
}
IUnknown_Release(iface);
}
if(FAILED(hres))
return hres;
if(func->prop_vt != VT_VARIANT)
V_VT(res) = func->prop_vt == VT_PTR ? VT_DISPATCH : func->prop_vt;
return S_OK;
}
static HRESULT builtin_propput(DispatchEx *This, func_info_t *func, DISPPARAMS *dp, IServiceProvider *caller)
{
VARIANT *v, tmpv;
IUnknown *iface;
HRESULT hres;
if(dp->cArgs != 1 || (dp->cNamedArgs == 1 && *dp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
|| dp->cNamedArgs > 1) {
FIXME("invalid args\n");
return E_INVALIDARG;
}
if(!func->put_vtbl_off) {
FIXME("No setter\n");
return E_FAIL;
}
v = dp->rgvarg;
if(func->prop_vt != VT_VARIANT && V_VT(v) != func->prop_vt) {
hres = change_type(&tmpv, v, func->prop_vt, caller);
if(FAILED(hres))
return hres;
v = &tmpv;
}
hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&iface);
if(SUCCEEDED(hres)) {
switch(func->prop_vt) {
#define CASE_VT(vt,type,access) \
case vt: \
hres = ((HRESULT (WINAPI*)(IUnknown*,type))((void**)iface->lpVtbl)[func->put_vtbl_off])(iface,access(v)); \
break
BUILTIN_TYPES_SWITCH;
#undef CASE_VT
default:
FIXME("Unimplemented vt %d\n", func->prop_vt);
hres = E_NOTIMPL;
}
IUnknown_Release(iface);
}
if(v == &tmpv)
VariantClear(v);
return hres;
}
static HRESULT invoke_builtin_function(DispatchEx *This, func_info_t *func, DISPPARAMS *dp, VARIANT *res, IServiceProvider *caller)
{
VARIANT arg_buf[MAX_ARGS], *arg_ptrs[MAX_ARGS], *arg, retv, ret_ref, vhres;
unsigned i, nconv = 0;
IUnknown *iface;
HRESULT hres;
if(dp->cNamedArgs) {
FIXME("Named arguments not supported\n");
return E_NOTIMPL;
}
if(dp->cArgs != func->argc) {
FIXME("Invalid argument count (expected %u, got %u)\n", func->argc, dp->cArgs);
return E_INVALIDARG;
}
hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&iface);
if(FAILED(hres))
return hres;
for(i=0; i < func->argc; i++) {
arg = dp->rgvarg+dp->cArgs-i-1;
if(func->arg_types[i] == V_VT(arg)) {
arg_ptrs[i] = arg;
}else {
hres = change_type(arg_buf+nconv, arg, func->arg_types[i], caller);
if(FAILED(hres))
break;
arg_ptrs[i] = arg_buf + nconv++;
}
}
if(SUCCEEDED(hres)) {
if(func->prop_vt == VT_VOID) {
V_VT(&retv) = VT_EMPTY;
}else {
V_VT(&retv) = func->prop_vt;
arg_ptrs[func->argc] = &ret_ref;
V_VT(&ret_ref) = VT_BYREF|func->prop_vt;
switch(func->prop_vt) {
#define CASE_VT(vt,type,access) \
case vt: \
V_BYREF(&ret_ref) = &access(&retv); \
break
BUILTIN_TYPES_SWITCH;
#undef CASE_VT
default:
assert(0);
}
}
V_VT(&vhres) = VT_ERROR;
hres = DispCallFunc(iface, func->call_vtbl_off*sizeof(void*), CC_STDCALL, VT_ERROR,
func->argc + (func->prop_vt == VT_VOID ? 0 : 1), func->arg_types, arg_ptrs, &vhres);
}
while(nconv--)
VariantClear(arg_buf+nconv);
IUnknown_Release(iface);
if(FAILED(hres))
return hres;
if(FAILED(V_ERROR(&vhres)))
return V_ERROR(&vhres);
if(res)
*res = retv;
else
VariantClear(&retv);
return V_ERROR(&vhres);
}
static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
EXCEPINFO *ei, IServiceProvider *caller)
{
HRESULT hres;
switch(flags) {
case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
if(!res)
return E_INVALIDARG;
/* fall through */
case DISPATCH_METHOD:
if(This->dynamic_data && This->dynamic_data->func_disps
&& This->dynamic_data->func_disps[func->func_disp_idx].func_obj) {
func_obj_entry_t *entry = This->dynamic_data->func_disps + func->func_disp_idx;
if(V_VT(&entry->val) != VT_DISPATCH) {
FIXME("calling %s not supported\n", debugstr_variant(&entry->val));
return E_NOTIMPL;
}
if((IDispatch*)&entry->func_obj->dispex.IDispatchEx_iface != V_DISPATCH(&entry->val)) {
if(!V_DISPATCH(&entry->val)) {
FIXME("Calling null\n");
return E_FAIL;
}
hres = invoke_disp_value(This, V_DISPATCH(&entry->val), 0, flags, dp, res, ei, NULL);
break;
}
}
if(func->call_vtbl_off)
hres = invoke_builtin_function(This, func, dp, res, caller);
else
hres = typeinfo_invoke(This, func, flags, dp, res, ei);
break;
case DISPATCH_PROPERTYGET: {
func_obj_entry_t *entry;
if(func->id == DISPID_VALUE) {
BSTR ret;
ret = SysAllocString(objectW);
if(!ret)
return E_OUTOFMEMORY;
V_VT(res) = VT_BSTR;
V_BSTR(res) = ret;
return S_OK;
}
hres = get_func_obj_entry(This, func, &entry);
if(FAILED(hres))
return hres;
V_VT(res) = VT_EMPTY;
return VariantCopy(res, &entry->val);
}
case DISPATCH_PROPERTYPUT: {
func_obj_entry_t *entry;
if(dp->cArgs != 1 || (dp->cNamedArgs == 1 && *dp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
|| dp->cNamedArgs > 1) {
FIXME("invalid args\n");
return E_INVALIDARG;
}
/*
* NOTE: Although we have IDispatchEx tests showing, that it's not allowed to set
* function property using InvokeEx, it's possible to do that from jscript.
* Native probably uses some undocumented interface in this case, but it should
* be fine for us to allow IDispatchEx handle that.
*/
hres = get_func_obj_entry(This, func, &entry);
if(FAILED(hres))
return hres;
return VariantCopy(&entry->val, dp->rgvarg);
}
default:
FIXME("Unimplemented flags %x\n", flags);
hres = E_NOTIMPL;
}
return hres;
}
static HRESULT invoke_builtin_prop(DispatchEx *This, DISPID id, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
{
dispex_data_t *data;
func_info_t *func;
HRESULT hres;
data = get_dispex_data(This);
if(!data)
return E_FAIL;
hres = get_builtin_func(data, id, &func);
if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
return dispex_value(This, lcid, flags, dp, res, ei, caller);
if(FAILED(hres))
return hres;
if(func->func_disp_idx != -1)
return function_invoke(This, func, flags, dp, res, ei, caller);
switch(flags) {
case DISPATCH_PROPERTYPUT:
if(res)
V_VT(res) = VT_EMPTY;
hres = builtin_propput(This, func, dp, caller);
break;
case DISPATCH_PROPERTYGET:
hres = builtin_propget(This, func, dp, res);
break;
default:
if(!func->get_vtbl_off) {
hres = typeinfo_invoke(This, func, flags, dp, res, ei);
}else {
VARIANT v;
hres = builtin_propget(This, func, NULL, &v);
if(FAILED(hres))
return hres;
if(flags != (DISPATCH_PROPERTYGET|DISPATCH_METHOD) || dp->cArgs) {
if(V_VT(&v) != VT_DISPATCH) {
FIXME("Not a function %s flags %08x\n", debugstr_variant(&v), flags);
VariantClear(&v);
return E_FAIL;
}
hres = invoke_disp_value(This, V_DISPATCH(&v), lcid, flags, dp, res, ei, caller);
IDispatch_Release(V_DISPATCH(&v));
}else if(res) {
*res = v;
}else {
VariantClear(&v);
}
}
}
return hres;
}
HRESULT remove_attribute(DispatchEx *This, DISPID id, VARIANT_BOOL *success)
{
switch(get_dispid_type(id)) {
case DISPEXPROP_CUSTOM:
FIXME("DISPEXPROP_CUSTOM not supported\n");
return E_NOTIMPL;
case DISPEXPROP_DYNAMIC: {
DWORD idx = id - DISPID_DYNPROP_0;
dynamic_prop_t *prop;
prop = This->dynamic_data->props+idx;
VariantClear(&prop->var);
prop->flags |= DYNPROP_DELETED;
*success = VARIANT_TRUE;
return S_OK;
}
case DISPEXPROP_BUILTIN: {
VARIANT var;
DISPPARAMS dp = {&var,NULL,1,0};
dispex_data_t *data;
func_info_t *func;
HRESULT hres;
data = get_dispex_data(This);
if(!data)
return E_FAIL;
hres = get_builtin_func(data, id, &func);
if(FAILED(hres))
return hres;
/* For builtin functions, we set their value to the original function. */
if(func->func_disp_idx != -1) {
func_obj_entry_t *entry;
if(!This->dynamic_data || !This->dynamic_data->func_disps
|| !This->dynamic_data->func_disps[func->func_disp_idx].func_obj) {
*success = VARIANT_FALSE;
return S_OK;
}
entry = This->dynamic_data->func_disps + func->func_disp_idx;
if(V_VT(&entry->val) == VT_DISPATCH
&& V_DISPATCH(&entry->val) == (IDispatch*)&entry->func_obj->dispex.IDispatchEx_iface) {
*success = VARIANT_FALSE;
return S_OK;
}
VariantClear(&entry->val);
V_VT(&entry->val) = VT_DISPATCH;
V_DISPATCH(&entry->val) = (IDispatch*)&entry->func_obj->dispex.IDispatchEx_iface;
IDispatch_AddRef(V_DISPATCH(&entry->val));
*success = VARIANT_TRUE;
return S_OK;
}
V_VT(&var) = VT_EMPTY;
hres = builtin_propput(This, func, &dp, NULL);
if(FAILED(hres))
return hres;
*success = VARIANT_TRUE;
return S_OK;
}
default:
assert(0);
return E_FAIL;
}
}
static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
{
return CONTAINING_RECORD(iface, DispatchEx, IDispatchEx_iface);
}
static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
return IUnknown_QueryInterface(This->outer, riid, ppv);
}
static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
return IUnknown_AddRef(This->outer);
}
static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
return IUnknown_Release(This->outer);
}
static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%p)\n", This, pctinfo);
*pctinfo = 1;
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
LCID lcid, ITypeInfo **ppTInfo)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
HRESULT hres;
TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
hres = get_typeinfo(This->data->disp_tid, ppTInfo);
if(FAILED(hres))
return hres;
ITypeInfo_AddRef(*ppTInfo);
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
LPOLESTR *rgszNames, UINT cNames,
LCID lcid, DISPID *rgDispId)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
UINT i;
HRESULT hres;
TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
lcid, rgDispId);
for(i=0; i < cNames; i++) {
hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
if(FAILED(hres))
return hres;
}
return S_OK;
}
static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams,
pVarResult, pExcepInfo, NULL);
}
static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
dynamic_prop_t *dprop;
HRESULT hres;
TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
FIXME("Unsupported grfdex %x\n", grfdex);
hres = get_builtin_id(This, bstrName, grfdex, pid);
if(hres != DISP_E_UNKNOWNNAME)
return hres;
hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
if(FAILED(hres))
return hres;
*pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
return S_OK;
}
static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
HRESULT hres;
TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
if(wFlags == (DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF))
wFlags = DISPATCH_PROPERTYPUT;
switch(get_dispid_type(id)) {
case DISPEXPROP_CUSTOM:
if(!This->data->vtbl || !This->data->vtbl->invoke)
return DISP_E_UNKNOWNNAME;
return This->data->vtbl->invoke(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
case DISPEXPROP_DYNAMIC: {
DWORD idx = id - DISPID_DYNPROP_0;
dynamic_prop_t *prop;
if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
return DISP_E_UNKNOWNNAME;
prop = This->dynamic_data->props+idx;
switch(wFlags) {
case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
if(!pvarRes)
return E_INVALIDARG;
/* fall through */
case DISPATCH_METHOD:
if(V_VT(&prop->var) != VT_DISPATCH) {
FIXME("invoke %s\n", debugstr_variant(&prop->var));
return E_NOTIMPL;
}
return invoke_disp_value(This, V_DISPATCH(&prop->var), lcid, wFlags, pdp, pvarRes, pei, pspCaller);
case DISPATCH_PROPERTYGET:
if(prop->flags & DYNPROP_DELETED)
return DISP_E_UNKNOWNNAME;
V_VT(pvarRes) = VT_EMPTY;
return variant_copy(pvarRes, &prop->var);
case DISPATCH_PROPERTYPUT:
if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
|| pdp->cNamedArgs > 1) {
FIXME("invalid args\n");
return E_INVALIDARG;
}
TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
VariantClear(&prop->var);
hres = variant_copy(&prop->var, pdp->rgvarg);
if(FAILED(hres))
return hres;
prop->flags &= ~DYNPROP_DELETED;
return S_OK;
default:
FIXME("unhandled wFlags %x\n", wFlags);
return E_NOTIMPL;
}
}
case DISPEXPROP_BUILTIN:
if(wFlags == DISPATCH_CONSTRUCT) {
if(id == DISPID_VALUE) {
if(This->data->vtbl && This->data->vtbl->value) {
return This->data->vtbl->value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
}
FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
return E_FAIL;
}
FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
return E_FAIL;
}
return invoke_builtin_prop(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
default:
assert(0);
return E_FAIL;
}
}
static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
/* Not implemented by IE */
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%x)\n", This, id);
/* Not implemented by IE */
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
dispex_data_t *data;
func_info_t *func;
HRESULT hres;
TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
if(is_dynamic_dispid(id)) {
DWORD idx = id - DISPID_DYNPROP_0;
if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
return DISP_E_UNKNOWNNAME;
*pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
if(!*pbstrName)
return E_OUTOFMEMORY;
return S_OK;
}
data = get_dispex_data(This);
if(!data)
return E_FAIL;
hres = get_builtin_func(data, id, &func);
if(FAILED(hres))
return hres;
*pbstrName = SysAllocString(func->name);
if(!*pbstrName)
return E_OUTOFMEMORY;
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
dispex_data_t *data;
func_info_t *func;
HRESULT hres;
TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
if(is_dynamic_dispid(id)) {
DWORD idx = id - DISPID_DYNPROP_0;
if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
return DISP_E_UNKNOWNNAME;
while(++idx < This->dynamic_data->prop_cnt && This->dynamic_data->props[idx].flags & DYNPROP_DELETED);
if(idx == This->dynamic_data->prop_cnt) {
*pid = DISPID_STARTENUM;
return S_FALSE;
}
*pid = DISPID_DYNPROP_0+idx;
return S_OK;
}
data = get_dispex_data(This);
if(!data)
return E_FAIL;
if(id == DISPID_STARTENUM) {
func = data->funcs;
}else {
hres = get_builtin_func(data, id, &func);
if(FAILED(hres))
return hres;
func++;
}
while(func < data->funcs+data->func_cnt) {
/* FIXME: Skip hidden properties */
if(func->func_disp_idx == -1) {
*pid = func->id;
return S_OK;
}
func++;
}
if(get_dynamic_data(This) && This->dynamic_data->prop_cnt) {
*pid = DISPID_DYNPROP_0;
return S_OK;
}
*pid = DISPID_STARTENUM;
return S_FALSE;
}
static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
{
DispatchEx *This = impl_from_IDispatchEx(iface);
FIXME("(%p)->(%p)\n", This, ppunk);
return E_NOTIMPL;
}
static IDispatchExVtbl DispatchExVtbl = {
DispatchEx_QueryInterface,
DispatchEx_AddRef,
DispatchEx_Release,
DispatchEx_GetTypeInfoCount,
DispatchEx_GetTypeInfo,
DispatchEx_GetIDsOfNames,
DispatchEx_Invoke,
DispatchEx_GetDispID,
DispatchEx_InvokeEx,
DispatchEx_DeleteMemberByName,
DispatchEx_DeleteMemberByDispID,
DispatchEx_GetMemberProperties,
DispatchEx_GetMemberName,
DispatchEx_GetNextDispID,
DispatchEx_GetNameSpaceParent
};
BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
{
static const IID IID_UndocumentedScriptIface =
{0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
static const IID IID_IDispatchJS =
{0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
if(IsEqualGUID(&IID_IDispatch, riid)) {
TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
*ppv = &This->IDispatchEx_iface;
}else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
*ppv = &This->IDispatchEx_iface;
}else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
*ppv = NULL;
}else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
*ppv = NULL;
}else {
return FALSE;
}
if(*ppv)
IUnknown_AddRef((IUnknown*)*ppv);
return TRUE;
}
void dispex_traverse(DispatchEx *This, nsCycleCollectionTraversalCallback *cb)
{
dynamic_prop_t *prop;
if(!This->dynamic_data)
return;
for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
if(V_VT(&prop->var) == VT_DISPATCH)
note_cc_edge((nsISupports*)V_DISPATCH(&prop->var), "dispex_data", cb);
}
/* FIXME: Traverse func_disps */
}
void dispex_unlink(DispatchEx *This)
{
dynamic_prop_t *prop;
if(!This->dynamic_data)
return;
for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
if(V_VT(&prop->var) == VT_DISPATCH) {
V_VT(&prop->var) = VT_EMPTY;
IDispatch_Release(V_DISPATCH(&prop->var));
}else {
VariantClear(&prop->var);
}
}
}
void release_dispex(DispatchEx *This)
{
dynamic_prop_t *prop;
if(!This->dynamic_data)
return;
for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
VariantClear(&prop->var);
heap_free(prop->name);
}
heap_free(This->dynamic_data->props);
if(This->dynamic_data->func_disps) {
func_obj_entry_t *iter;
for(iter = This->dynamic_data->func_disps; iter < This->dynamic_data->func_disps+This->data->data->func_disp_cnt; iter++) {
if(iter->func_obj) {
iter->func_obj->obj = NULL;
IDispatchEx_Release(&iter->func_obj->dispex.IDispatchEx_iface);
}
VariantClear(&iter->val);
}
heap_free(This->dynamic_data->func_disps);
}
heap_free(This->dynamic_data);
}
void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
{
dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
dispex->outer = outer;
dispex->data = data;
dispex->dynamic_data = NULL;
}
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