Sweden-Number/dlls/jscript/object.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/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
static const WCHAR propertyIsEnumerableW[] =
{'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
static const WCHAR default_valueW[] = {'[','o','b','j','e','c','t',' ','O','b','j','e','c','t',']',0};
static HRESULT Object_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsdisp_t *jsdisp;
const WCHAR *str;
static const WCHAR formatW[] = {'[','o','b','j','e','c','t',' ','%','s',']',0};
static const WCHAR arrayW[] = {'A','r','r','a','y',0};
static const WCHAR booleanW[] = {'B','o','o','l','e','a','n',0};
static const WCHAR dateW[] = {'D','a','t','e',0};
static const WCHAR errorW[] = {'E','r','r','o','r',0};
static const WCHAR functionW[] = {'F','u','n','c','t','i','o','n',0};
static const WCHAR mathW[] = {'M','a','t','h',0};
static const WCHAR numberW[] = {'N','u','m','b','e','r',0};
static const WCHAR objectW[] = {'O','b','j','e','c','t',0};
static const WCHAR regexpW[] = {'R','e','g','E','x','p',0};
static const WCHAR stringW[] = {'S','t','r','i','n','g',0};
/* Keep in sync with jsclass_t enum */
static const WCHAR *names[] = {NULL, arrayW, booleanW, dateW, errorW,
functionW, NULL, mathW, numberW, objectW, regexpW, stringW, objectW, objectW, objectW};
TRACE("\n");
jsdisp = get_jsdisp(jsthis);
if(!jsdisp) {
str = objectW;
}else if(names[jsdisp->builtin_info->class]) {
str = names[jsdisp->builtin_info->class];
}else {
assert(jsdisp->builtin_info->class != JSCLASS_NONE);
FIXME("jdisp->builtin_info->class = %d\n", jsdisp->builtin_info->class);
return E_FAIL;
}
if(r) {
jsstr_t *ret;
WCHAR *ptr;
ptr = jsstr_alloc_buf(9+strlenW(str), &ret);
if(!ptr)
return E_OUTOFMEMORY;
sprintfW(ptr, formatW, str);
*r = jsval_string(ret);
}
return S_OK;
}
static HRESULT Object_toLocaleString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("\n");
if(!is_jsdisp(jsthis)) {
FIXME("Host object this\n");
return E_FAIL;
}
return jsdisp_call_name(jsthis->u.jsdisp, toStringW, DISPATCH_METHOD, 0, NULL, r);
}
static HRESULT Object_valueOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("\n");
if(r) {
IDispatch_AddRef(jsthis->u.disp);
*r = jsval_disp(jsthis->u.disp);
}
return S_OK;
}
static HRESULT Object_hasOwnProperty(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsstr_t *name;
DISPID id;
BSTR bstr;
HRESULT hres;
TRACE("\n");
if(!argc) {
if(r)
*r = jsval_bool(FALSE);
return S_OK;
}
hres = to_string(ctx, argv[0], &name);
if(FAILED(hres))
return hres;
if(is_jsdisp(jsthis)) {
const WCHAR *name_str;
BOOL result;
name_str = jsstr_flatten(name);
if(name_str)
hres = jsdisp_is_own_prop(jsthis->u.jsdisp, name_str, &result);
else
hres = E_OUTOFMEMORY;
jsstr_release(name);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_bool(result);
return S_OK;
}
bstr = SysAllocStringLen(NULL, jsstr_length(name));
if(bstr)
jsstr_flush(name, bstr);
jsstr_release(name);
if(!bstr)
return E_OUTOFMEMORY;
if(is_dispex(jsthis))
hres = IDispatchEx_GetDispID(jsthis->u.dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive), &id);
else
hres = IDispatch_GetIDsOfNames(jsthis->u.disp, &IID_NULL, &bstr, 1, ctx->lcid, &id);
SysFreeString(bstr);
if(r)
*r = jsval_bool(SUCCEEDED(hres));
return S_OK;
}
static HRESULT Object_propertyIsEnumerable(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
const WCHAR *name;
jsstr_t *name_str;
BOOL ret;
HRESULT hres;
TRACE("\n");
if(argc != 1) {
FIXME("argc %d not supported\n", argc);
return E_NOTIMPL;
}
if(!is_jsdisp(jsthis)) {
FIXME("Host object this\n");
return E_FAIL;
}
hres = to_flat_string(ctx, argv[0], &name_str, &name);
if(FAILED(hres))
return hres;
hres = jsdisp_is_enumerable(jsthis->u.jsdisp, name, &ret);
jsstr_release(name_str);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_bool(ret);
return S_OK;
}
static HRESULT Object_isPrototypeOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Object_get_value(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
jsstr_t *ret;
TRACE("\n");
ret = jsstr_alloc(default_valueW);
if(!ret)
return E_OUTOFMEMORY;
*r = jsval_string(ret);
return S_OK;
}
static void Object_destructor(jsdisp_t *dispex)
{
heap_free(dispex);
}
static const builtin_prop_t Object_props[] = {
{hasOwnPropertyW, Object_hasOwnProperty, PROPF_METHOD|1},
{isPrototypeOfW, Object_isPrototypeOf, PROPF_METHOD|1},
{propertyIsEnumerableW, Object_propertyIsEnumerable, PROPF_METHOD|1},
{toLocaleStringW, Object_toLocaleString, PROPF_METHOD},
{toStringW, Object_toString, PROPF_METHOD},
{valueOfW, Object_valueOf, PROPF_METHOD}
};
static const builtin_info_t Object_info = {
JSCLASS_OBJECT,
{NULL, NULL,0, Object_get_value},
sizeof(Object_props)/sizeof(*Object_props),
Object_props,
Object_destructor,
NULL
};
static const builtin_info_t ObjectInst_info = {
JSCLASS_OBJECT,
{NULL, NULL,0, Object_get_value},
0, NULL,
Object_destructor,
NULL
};
static HRESULT ObjectConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
HRESULT hres;
TRACE("\n");
switch(flags) {
case DISPATCH_METHOD:
if(argc) {
if(!is_undefined(argv[0]) && !is_null(argv[0]) && (!is_object_instance(argv[0]) || get_object(argv[0]))) {
IDispatch *disp;
hres = to_object(ctx, argv[0], &disp);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_disp(disp);
else
IDispatch_Release(disp);
return S_OK;
}
}
/* fall through */
case DISPATCH_CONSTRUCT: {
jsdisp_t *obj;
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hres = create_object(ctx, NULL, &obj);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_obj(obj);
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else
jsdisp_release(obj);
break;
}
default:
FIXME("unimplemented flags: %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
HRESULT create_object_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
{
static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
return create_builtin_constructor(ctx, ObjectConstr_value, ObjectW, NULL, PROPF_CONSTR,
object_prototype, ret);
}
HRESULT create_object_prototype(script_ctx_t *ctx, jsdisp_t **ret)
{
return create_dispex(ctx, &Object_info, NULL, ret);
}
HRESULT create_object(script_ctx_t *ctx, jsdisp_t *constr, jsdisp_t **ret)
{
jsdisp_t *object;
HRESULT hres;
object = heap_alloc_zero(sizeof(jsdisp_t));
if(!object)
return E_OUTOFMEMORY;
hres = init_dispex_from_constr(object, ctx, &ObjectInst_info, constr ? constr : ctx->object_constr);
if(FAILED(hres)) {
heap_free(object);
return hres;
}
*ret = object;
return S_OK;
}