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Sweden-Number/dlls/jscript/dispex.c

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/*
* Copyright 2008 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 <assert.h>
#include "jscript.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
/*
* This IID is used to get jsdisp_t objecto from interface.
* We might consider using private interface instead.
*/
static const IID IID_IDispatchJS =
{0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
#define FDEX_VERSION_MASK 0xf0000000
#define GOLDEN_RATIO 0x9E3779B9U
typedef enum {
PROP_VARIANT,
PROP_BUILTIN,
PROP_PROTREF,
PROP_DELETED
} prop_type_t;
struct _dispex_prop_t {
WCHAR *name;
unsigned hash;
prop_type_t type;
DWORD flags;
union {
VARIANT var;
const builtin_prop_t *p;
DWORD ref;
} u;
int bucket_head;
int bucket_next;
};
static inline DISPID prop_to_id(jsdisp_t *This, dispex_prop_t *prop)
{
return prop - This->props;
}
static inline dispex_prop_t *get_prop(jsdisp_t *This, DISPID id)
{
if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
return NULL;
return This->props+id;
}
static DWORD get_flags(jsdisp_t *This, dispex_prop_t *prop)
{
if(prop->type == PROP_PROTREF) {
dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
if(!parent) {
prop->type = PROP_DELETED;
return 0;
}
return get_flags(This->prototype, parent);
}
return prop->flags;
}
static const builtin_prop_t *find_builtin_prop(jsdisp_t *This, const WCHAR *name)
{
int min = 0, max, i, r;
max = This->builtin_info->props_cnt-1;
while(min <= max) {
i = (min+max)/2;
r = strcmpW(name, This->builtin_info->props[i].name);
if(!r)
return This->builtin_info->props + i;
if(r < 0)
max = i-1;
else
min = i+1;
}
return NULL;
}
static inline unsigned string_hash(const WCHAR *name)
{
unsigned h = 0;
for(; *name; name++)
h = (h>>(sizeof(unsigned)*8-4)) ^ (h<<4) ^ tolowerW(*name);
return h;
}
static inline unsigned get_props_idx(jsdisp_t *This, unsigned hash)
{
return (hash*GOLDEN_RATIO) & (This->buf_size-1);
}
static inline HRESULT resize_props(jsdisp_t *This)
{
dispex_prop_t *props;
int i, bucket;
if(This->buf_size != This->prop_cnt)
return S_FALSE;
props = heap_realloc(This->props, sizeof(dispex_prop_t)*This->buf_size*2);
if(!props)
return E_OUTOFMEMORY;
This->buf_size *= 2;
This->props = props;
for(i=0; i<This->buf_size; i++) {
This->props[i].bucket_head = 0;
This->props[i].bucket_next = 0;
}
for(i=1; i<This->prop_cnt; i++) {
props = This->props+i;
bucket = get_props_idx(This, props->hash);
props->bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = i;
}
return S_OK;
}
static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
{
dispex_prop_t *prop;
unsigned bucket;
if(FAILED(resize_props(This)))
return NULL;
prop = &This->props[This->prop_cnt];
prop->name = heap_strdupW(name);
if(!prop->name)
return NULL;
prop->type = type;
prop->flags = flags;
prop->hash = string_hash(name);
bucket = get_props_idx(This, prop->hash);
prop->bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = This->prop_cnt++;
return prop;
}
static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
{
dispex_prop_t *ret;
ret = alloc_prop(This, name, PROP_PROTREF, 0);
if(!ret)
return NULL;
ret->u.ref = ref;
return ret;
}
static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
{
const builtin_prop_t *builtin;
unsigned bucket, pos, prev = 0;
dispex_prop_t *prop;
bucket = get_props_idx(This, hash);
pos = This->props[bucket].bucket_head;
while(pos != 0) {
if(!strcmpW(name, This->props[pos].name)) {
if(prev != 0) {
This->props[prev].bucket_next = This->props[pos].bucket_next;
This->props[pos].bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = pos;
}
*ret = &This->props[pos];
return S_OK;
}
prev = pos;
pos = This->props[pos].bucket_next;
}
builtin = find_builtin_prop(This, name);
if(builtin) {
prop = alloc_prop(This, name, PROP_BUILTIN, builtin->flags);
if(!prop)
return E_OUTOFMEMORY;
prop->u.p = builtin;
*ret = prop;
return S_OK;
}
*ret = NULL;
return S_OK;
}
static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
{
dispex_prop_t *prop, *del=NULL;
HRESULT hres;
hres = find_prop_name(This, hash, name, &prop);
if(FAILED(hres))
return hres;
if(prop && prop->type==PROP_DELETED) {
del = prop;
} else if(prop) {
*ret = prop;
return S_OK;
}
if(This->prototype) {
hres = find_prop_name_prot(This->prototype, hash, name, &prop);
if(FAILED(hres))
return hres;
if(prop) {
if(del) {
del->type = PROP_PROTREF;
del->flags = 0;
del->u.ref = prop - This->prototype->props;
prop = del;
}else {
prop = alloc_protref(This, prop->name, prop - This->prototype->props);
if(!prop)
return E_OUTOFMEMORY;
}
*ret = prop;
return S_OK;
}
}
*ret = del;
return S_OK;
}
static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, BOOL search_prot, DWORD create_flags, dispex_prop_t **ret)
{
dispex_prop_t *prop;
HRESULT hres;
if(search_prot)
hres = find_prop_name_prot(This, string_hash(name), name, &prop);
else
hres = find_prop_name(This, string_hash(name), name, &prop);
if(SUCCEEDED(hres) && (!prop || prop->type==PROP_DELETED)) {
TRACE("creating prop %s\n", debugstr_w(name));
if(prop) {
prop->type = PROP_VARIANT;
prop->flags = create_flags;
}else {
prop = alloc_prop(This, name, PROP_VARIANT, create_flags);
if(!prop)
return E_OUTOFMEMORY;
}
VariantInit(&prop->u.var);
}
*ret = prop;
return hres;
}
static HRESULT set_this(DISPPARAMS *dp, DISPPARAMS *olddp, IDispatch *jsthis)
{
VARIANTARG *oldargs;
int i;
static DISPID this_id = DISPID_THIS;
*dp = *olddp;
for(i = 0; i < dp->cNamedArgs; i++) {
if(dp->rgdispidNamedArgs[i] == DISPID_THIS)
return S_OK;
}
oldargs = dp->rgvarg;
dp->rgvarg = heap_alloc((dp->cArgs+1) * sizeof(VARIANTARG));
if(!dp->rgvarg)
return E_OUTOFMEMORY;
memcpy(dp->rgvarg+1, oldargs, dp->cArgs*sizeof(VARIANTARG));
V_VT(dp->rgvarg) = VT_DISPATCH;
V_DISPATCH(dp->rgvarg) = jsthis;
dp->cArgs++;
if(dp->cNamedArgs) {
DISPID *old = dp->rgdispidNamedArgs;
dp->rgdispidNamedArgs = heap_alloc((dp->cNamedArgs+1)*sizeof(DISPID));
if(!dp->rgdispidNamedArgs) {
heap_free(dp->rgvarg);
return E_OUTOFMEMORY;
}
memcpy(dp->rgdispidNamedArgs+1, old, dp->cNamedArgs*sizeof(DISPID));
dp->rgdispidNamedArgs[0] = DISPID_THIS;
dp->cNamedArgs++;
}else {
dp->rgdispidNamedArgs = &this_id;
dp->cNamedArgs = 1;
}
return S_OK;
}
static HRESULT convert_params(const DISPPARAMS *dp, VARIANT *buf, DISPPARAMS *ret)
{
BOOL need_conversion = FALSE;
const VARIANT *s;
VARIANT *d;
unsigned i;
*ret = *dp;
for(i = 0; i < ret->cArgs; i++) {
if(V_VT(get_arg(dp, i)) == VT_I2) {
need_conversion = TRUE;
break;
}
}
if(!need_conversion)
return S_OK;
if(ret->cArgs > 6) {
ret->rgvarg = heap_alloc(ret->cArgs * sizeof(VARIANT));
if(!ret->rgvarg)
return E_OUTOFMEMORY;
}else {
ret->rgvarg = buf;
}
for(i = 0; i < ret->cArgs; i++) {
s = get_arg(dp, i);
d = get_arg(ret, i);
switch(V_VT(s)) {
case VT_I2:
V_VT(d) = VT_I4;
V_I4(d) = V_I2(s);
break;
default:
*d = *s;
}
}
return S_OK;
}
static HRESULT invoke_prop_func(jsdisp_t *This, jsdisp_t *jsthis, dispex_prop_t *prop, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
HRESULT hres;
switch(prop->type) {
case PROP_BUILTIN: {
DISPPARAMS params;
VARIANT buf[6];
vdisp_t vthis;
if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
WARN("%s is not a constructor\n", debugstr_w(prop->name));
return E_INVALIDARG;
}
hres = convert_params(dp, buf, &params);
if(FAILED(hres))
return hres;
set_jsdisp(&vthis, jsthis);
hres = prop->u.p->invoke(This->ctx, &vthis, flags, &params, retv, ei);
vdisp_release(&vthis);
if(params.rgvarg != buf && params.rgvarg != dp->rgvarg)
heap_free(params.rgvarg);
return hres;
}
case PROP_PROTREF:
return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref, flags, dp, retv, ei, caller);
case PROP_VARIANT: {
DISPPARAMS new_dp;
if(V_VT(&prop->u.var) != VT_DISPATCH) {
FIXME("invoke vt %d\n", V_VT(&prop->u.var));
return E_FAIL;
}
TRACE("call %s %p\n", debugstr_w(prop->name), V_DISPATCH(&prop->u.var));
hres = set_this(&new_dp, dp, to_disp(jsthis));
if(FAILED(hres))
return hres;
hres = disp_call(This->ctx, V_DISPATCH(&prop->u.var), DISPID_VALUE, flags, &new_dp, retv, ei);
if(new_dp.rgvarg != dp->rgvarg) {
heap_free(new_dp.rgvarg);
if(new_dp.cNamedArgs > 1)
heap_free(new_dp.rgdispidNamedArgs);
}
return hres;
}
default:
ERR("type %d\n", prop->type);
}
return E_FAIL;
}
static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
HRESULT hres;
switch(prop->type) {
case PROP_BUILTIN:
if(prop->u.p->flags & PROPF_METHOD) {
jsdisp_t *obj;
hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
prop->u.p->flags, NULL, &obj);
if(FAILED(hres))
break;
prop->type = PROP_VARIANT;
var_set_jsdisp(&prop->u.var, obj);
hres = VariantCopy(retv, &prop->u.var);
}else {
vdisp_t vthis;
set_jsdisp(&vthis, This);
hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYGET, dp, retv, ei);
vdisp_release(&vthis);
}
break;
case PROP_PROTREF:
hres = prop_get(This->prototype, This->prototype->props+prop->u.ref, dp, retv, ei, caller);
break;
case PROP_VARIANT:
hres = VariantCopy(retv, &prop->u.var);
break;
default:
ERR("type %d\n", prop->type);
return E_FAIL;
}
if(FAILED(hres)) {
TRACE("fail %08x\n", hres);
return hres;
}
TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_variant(retv));
return hres;
}
static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, VARIANT *val,
jsexcept_t *ei, IServiceProvider *caller)
{
HRESULT hres;
if(prop->flags & PROPF_CONST)
return S_OK;
switch(prop->type) {
case PROP_BUILTIN:
if(!(prop->flags & PROPF_METHOD)) {
DISPPARAMS dp = {val, NULL, 1, 0};
vdisp_t vthis;
set_jsdisp(&vthis, This);
hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYPUT, &dp, NULL, ei);
vdisp_release(&vthis);
return hres;
}
case PROP_PROTREF:
prop->type = PROP_VARIANT;
prop->flags = PROPF_ENUM;
V_VT(&prop->u.var) = VT_EMPTY;
break;
case PROP_VARIANT:
VariantClear(&prop->u.var);
break;
default:
ERR("type %d\n", prop->type);
return E_FAIL;
}
hres = VariantCopy(&prop->u.var, val);
if(FAILED(hres))
return hres;
if(This->builtin_info->on_put)
This->builtin_info->on_put(This, prop->name);
TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_variant(val));
return S_OK;
}
static HRESULT fill_protrefs(jsdisp_t *This)
{
dispex_prop_t *iter, *prop;
HRESULT hres;
if(!This->prototype)
return S_OK;
fill_protrefs(This->prototype);
for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
if(!iter->name)
continue;
hres = find_prop_name(This, iter->hash, iter->name, &prop);
if(FAILED(hres))
return hres;
if(!prop || prop->type==PROP_DELETED) {
if(prop) {
prop->type = PROP_PROTREF;
prop->flags = 0;
prop->u.ref = iter - This->prototype->props;
}else {
prop = alloc_protref(This, iter->name, iter - This->prototype->props);
if(!prop)
return E_OUTOFMEMORY;
}
}
}
return S_OK;
}
static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
{
return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
}
static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = &This->IDispatchEx_iface;
}else 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)\n", This, ppv);
jsdisp_addref(This);
*ppv = This;
return S_OK;
}else {
WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
dispex_prop_t *prop;
for(prop = This->props; prop < This->props+This->prop_cnt; prop++) {
if(prop->type == PROP_VARIANT)
VariantClear(&prop->u.var);
heap_free(prop->name);
}
heap_free(This->props);
script_release(This->ctx);
if(This->prototype)
jsdisp_release(This->prototype);
if(This->builtin_info->destructor)
This->builtin_info->destructor(This);
else
heap_free(This);
}
return ref;
}
static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
{
jsdisp_t *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)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
LPOLESTR *rgszNames, UINT cNames, LCID lcid,
DISPID *rgDispId)
{
jsdisp_t *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)
{
jsdisp_t *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)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
FIXME("Unsupported grfdex %x\n", grfdex);
return E_NOTIMPL;
}
return jsdisp_get_id(This, bstrName, grfdex, pid);
}
static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
jsexcept_t jsexcept;
HRESULT hres;
TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
if(pvarRes)
V_VT(pvarRes) = VT_EMPTY;
prop = get_prop(This, id);
if(!prop || prop->type == PROP_DELETED) {
TRACE("invalid id\n");
return DISP_E_MEMBERNOTFOUND;
}
memset(&jsexcept, 0, sizeof(jsexcept));
switch(wFlags) {
case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
wFlags = DISPATCH_METHOD;
/* fall through */
case DISPATCH_METHOD:
case DISPATCH_CONSTRUCT:
hres = invoke_prop_func(This, This, prop, wFlags, pdp, pvarRes, &jsexcept, pspCaller);
break;
case DISPATCH_PROPERTYGET:
hres = prop_get(This, prop, pdp, pvarRes, &jsexcept, pspCaller);
break;
case DISPATCH_PROPERTYPUT: {
DWORD i;
for(i=0; i < pdp->cNamedArgs; i++) {
if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
break;
}
if(i == pdp->cNamedArgs) {
TRACE("no value to set\n");
return DISP_E_PARAMNOTOPTIONAL;
}
hres = prop_put(This, prop, pdp->rgvarg+i, &jsexcept, pspCaller);
break;
}
default:
FIXME("Unimplemented flags %x\n", wFlags);
return E_INVALIDARG;
}
if(pei)
*pei = jsexcept.ei;
return hres;
}
static HRESULT delete_prop(dispex_prop_t *prop)
{
if(prop->type == PROP_VARIANT) {
VariantClear(&prop->u.var);
prop->type = PROP_DELETED;
}
return S_OK;
}
static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
HRESULT hres;
TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
FIXME("Unsupported grfdex %x\n", grfdex);
hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
if(FAILED(hres))
return hres;
if(!prop) {
TRACE("not found\n");
return S_OK;
}
return delete_prop(prop);
}
static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
TRACE("(%p)->(%x)\n", This, id);
prop = get_prop(This, id);
if(!prop) {
WARN("invalid id\n");
return DISP_E_MEMBERNOTFOUND;
}
return delete_prop(prop);
}
static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
{
jsdisp_t *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)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
prop = get_prop(This, id);
if(!prop || !prop->name || prop->type == PROP_DELETED)
return DISP_E_MEMBERNOTFOUND;
*pbstrName = SysAllocString(prop->name);
if(!*pbstrName)
return E_OUTOFMEMORY;
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *iter;
HRESULT hres;
TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
if(id == DISPID_STARTENUM) {
hres = fill_protrefs(This);
if(FAILED(hres))
return hres;
}
if(id+1>=0 && id+1<This->prop_cnt) {
iter = &This->props[id+1];
}else {
*pid = DISPID_STARTENUM;
return S_FALSE;
}
while(iter < This->props + This->prop_cnt) {
if(iter->name && (get_flags(This, iter) & PROPF_ENUM) && iter->type!=PROP_DELETED) {
*pid = prop_to_id(This, iter);
return S_OK;
}
iter++;
}
*pid = DISPID_STARTENUM;
return S_FALSE;
}
static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
{
jsdisp_t *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
};
jsdisp_t *as_jsdisp(IDispatch *disp)
{
assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
return impl_from_IDispatchEx((IDispatchEx*)disp);
}
jsdisp_t *to_jsdisp(IDispatch *disp)
{
return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
}
HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
{
TRACE("%p (%p)\n", dispex, prototype);
dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
dispex->ref = 1;
dispex->builtin_info = builtin_info;
dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
if(!dispex->props)
return E_OUTOFMEMORY;
dispex->prototype = prototype;
if(prototype)
jsdisp_addref(prototype);
dispex->prop_cnt = 1;
if(builtin_info->value_prop.invoke) {
dispex->props[0].type = PROP_BUILTIN;
dispex->props[0].u.p = &builtin_info->value_prop;
}else {
dispex->props[0].type = PROP_DELETED;
}
script_addref(ctx);
dispex->ctx = ctx;
return S_OK;
}
static const builtin_info_t dispex_info = {
JSCLASS_NONE,
{NULL, NULL, 0},
0, NULL,
NULL,
NULL
};
HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
{
jsdisp_t *ret;
HRESULT hres;
ret = heap_alloc_zero(sizeof(jsdisp_t));
if(!ret)
return E_OUTOFMEMORY;
hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
if(FAILED(hres))
return hres;
*dispex = ret;
return S_OK;
}
HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
{
jsdisp_t *prot = NULL;
dispex_prop_t *prop;
HRESULT hres;
static const WCHAR constructorW[] = {'c','o','n','s','t','r','u','c','t','o','r',0};
static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
jsexcept_t jsexcept;
VARIANT var;
V_VT(&var) = VT_EMPTY;
memset(&jsexcept, 0, sizeof(jsexcept));
hres = prop_get(constr, prop, NULL, &var, &jsexcept, NULL/*FIXME*/);
if(FAILED(hres)) {
ERR("Could not get prototype\n");
return hres;
}
if(V_VT(&var) == VT_DISPATCH)
prot = iface_to_jsdisp((IUnknown*)V_DISPATCH(&var));
VariantClear(&var);
}
hres = init_dispex(dispex, ctx, builtin_info, prot);
if(prot)
jsdisp_release(prot);
if(FAILED(hres))
return hres;
hres = ensure_prop_name(dispex, constructorW, FALSE, 0, &prop);
if(SUCCEEDED(hres)) {
jsexcept_t jsexcept;
VARIANT var;
var_set_jsdisp(&var, constr);
memset(&jsexcept, 0, sizeof(jsexcept));
hres = prop_put(dispex, prop, &var, &jsexcept, NULL/*FIXME*/);
}
if(FAILED(hres))
jsdisp_release(dispex);
return hres;
}
jsdisp_t *iface_to_jsdisp(IUnknown *iface)
{
jsdisp_t *ret;
HRESULT hres;
hres = IUnknown_QueryInterface(iface, &IID_IDispatchJS, (void**)&ret);
if(FAILED(hres))
return NULL;
return ret;
}
static void ensure_retval_type(VARIANT *v)
{
switch(V_VT(v)) {
case VT_I2:
V_VT(v) = VT_I4;
V_I4(v) = V_I2(v);
}
}
HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
{
dispex_prop_t *prop;
HRESULT hres;
if(flags & fdexNameEnsure)
hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
else
hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
if(prop && prop->type!=PROP_DELETED) {
*id = prop_to_id(jsdisp, prop);
return S_OK;
}
TRACE("not found %s\n", debugstr_w(name));
return DISP_E_UNKNOWNNAME;
}
HRESULT jsdisp_call_value(jsdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
{
vdisp_t vdisp;
HRESULT hres;
set_jsdisp(&vdisp, jsthis);
hres = jsthis->builtin_info->value_prop.invoke(jsthis->ctx, &vdisp, flags, dp, retv, ei);
vdisp_release(&vdisp);
return hres;
}
HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
{
dispex_prop_t *prop;
memset(ei, 0, sizeof(*ei));
if(retv)
V_VT(retv) = VT_EMPTY;
prop = get_prop(disp, id);
if(!prop)
return DISP_E_MEMBERNOTFOUND;
return invoke_prop_func(disp, disp, prop, flags, dp, retv, ei, NULL);
}
HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, DISPPARAMS *dp, VARIANT *retv,
jsexcept_t *ei)
{
dispex_prop_t *prop;
HRESULT hres;
hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
memset(ei, 0, sizeof(*ei));
if(retv)
V_VT(retv) = VT_EMPTY;
return invoke_prop_func(disp, disp, prop, flags, dp, retv, ei, NULL);
}
HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsdisp;
IDispatchEx *dispex;
HRESULT hres;
jsdisp = iface_to_jsdisp((IUnknown*)disp);
if(jsdisp) {
if(flags & DISPATCH_PROPERTYPUT) {
FIXME("disp_call(propput) on builtin object\n");
return E_FAIL;
}
hres = jsdisp_call(jsdisp, id, flags, dp, retv, ei);
jsdisp_release(jsdisp);
return hres;
}
memset(ei, 0, sizeof(*ei));
if(retv && arg_cnt(dp))
flags |= DISPATCH_PROPERTYGET;
if(retv)
V_VT(retv) = VT_EMPTY;
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, retv, &ei->ei, &ctx->jscaller->IServiceProvider_iface);
IDispatchEx_Release(dispex);
}else {
UINT err = 0;
if(flags == DISPATCH_CONSTRUCT) {
WARN("IDispatch cannot be constructor\n");
return DISP_E_MEMBERNOTFOUND;
}
TRACE("using IDispatch\n");
hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, retv, &ei->ei, &err);
}
if(FAILED(hres))
return hres;
if(retv)
ensure_retval_type(retv);
return S_OK;
}
HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, VARIANT *val, jsexcept_t *ei)
{
dispex_prop_t *prop;
HRESULT hres;
hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM, &prop);
if(FAILED(hres))
return hres;
return prop_put(obj, prop, val, ei, NULL);
}
HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, VARIANT *val)
{
dispex_prop_t *prop;
HRESULT hres;
hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM|PROPF_CONST, &prop);
if(FAILED(hres))
return hres;
return VariantCopy(&prop->u.var, val);
}
HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, VARIANT *val, jsexcept_t *ei)
{
WCHAR buf[12];
static const WCHAR formatW[] = {'%','d',0};
sprintfW(buf, formatW, idx);
return jsdisp_propput_name(obj, buf, val, ei);
}
HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei)
{
jsdisp_t *jsdisp;
HRESULT hres;
jsdisp = iface_to_jsdisp((IUnknown*)disp);
if(jsdisp) {
dispex_prop_t *prop;
prop = get_prop(jsdisp, id);
if(prop)
hres = prop_put(jsdisp, prop, val, ei, NULL);
else
hres = DISP_E_MEMBERNOTFOUND;
jsdisp_release(jsdisp);
}else {
DISPID dispid = DISPID_PROPERTYPUT;
DISPPARAMS dp = {val, &dispid, 1, 1};
IDispatchEx *dispex;
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei,
&ctx->jscaller->IServiceProvider_iface);
IDispatchEx_Release(dispex);
}else {
ULONG err = 0;
TRACE("using IDispatch\n");
hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei, &err);
}
}
return hres;
}
HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, VARIANT *var, jsexcept_t *ei)
{
DISPPARAMS dp = {NULL, NULL, 0, 0};
dispex_prop_t *prop;
HRESULT hres;
hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
V_VT(var) = VT_EMPTY;
if(!prop || prop->type==PROP_DELETED)
return S_OK;
return prop_get(obj, prop, &dp, var, ei, NULL);
}
HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, VARIANT *var, jsexcept_t *ei)
{
WCHAR name[12];
DISPPARAMS dp = {NULL, NULL, 0, 0};
dispex_prop_t *prop;
HRESULT hres;
static const WCHAR formatW[] = {'%','d',0};
sprintfW(name, formatW, idx);
hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
V_VT(var) = VT_EMPTY;
if(!prop || prop->type==PROP_DELETED)
return DISP_E_UNKNOWNNAME;
return prop_get(obj, prop, &dp, var, ei, NULL);
}
HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, VARIANT *val, jsexcept_t *ei)
{
DISPPARAMS dp = {NULL,NULL,0,0};
dispex_prop_t *prop;
prop = get_prop(jsdisp, id);
if(!prop)
return DISP_E_MEMBERNOTFOUND;
V_VT(val) = VT_EMPTY;
return prop_get(jsdisp, prop, &dp, val, ei, NULL);
}
HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei)
{
DISPPARAMS dp = {NULL,NULL,0,0};
IDispatchEx *dispex;
jsdisp_t *jsdisp;
HRESULT hres;
jsdisp = iface_to_jsdisp((IUnknown*)disp);
if(jsdisp) {
hres = jsdisp_propget(jsdisp, id, val, ei);
jsdisp_release(jsdisp);
return hres;
}
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei,
&ctx->jscaller->IServiceProvider_iface);
IDispatchEx_Release(dispex);
}else {
ULONG err = 0;
TRACE("using IDispatch\n");
hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei, &err);
}
if(FAILED(hres))
return hres;
ensure_retval_type(val);
return S_OK;
}
HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
{
static const WCHAR formatW[] = {'%','d',0};
WCHAR buf[12];
dispex_prop_t *prop;
HRESULT hres;
sprintfW(buf, formatW, idx);
hres = find_prop_name(obj, string_hash(buf), buf, &prop);
if(FAILED(hres) || !prop)
return hres;
return delete_prop(prop);
}
VARIANT_BOOL jsdisp_is_own_prop(jsdisp_t *obj, BSTR name)
{
dispex_prop_t *prop;
HRESULT hres;
hres = find_prop_name(obj, string_hash(name), name, &prop);
if(FAILED(hres))
return VARIANT_FALSE;
else if(!prop)
return VARIANT_FALSE;
return prop->type==PROP_VARIANT ? VARIANT_TRUE : VARIANT_FALSE;
}
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