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jscript: Implement Enumerator object. 

Signed-off-by: Andreas Maier <staubim@quantentunnel.de>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Andreas Maier 2019-05-17 16:26:36 +02:00 committed by Alexandre Julliard
parent 73fae7aa5b
commit a015c62643
5 changed files with 218 additions and 58 deletions
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264
dlls/jscript/enumerator.c
View File

@ -26,6 +26,11 @@ WINE_DEFAULT_DEBUG_CHANNEL(jscript);
typedef struct {
jsdisp_t dispex;
/* IEnumVARIANT returned by _NewEnum */
IEnumVARIANT *enumvar;
/* current item */
jsval_t item;
BOOL atend;
} EnumeratorInstance;
static const WCHAR atEndW[] = {'a','t','E','n','d',0};
@ -33,43 +38,142 @@ static const WCHAR itemW[] = {'i','t','e','m',0};
static const WCHAR moveFirstW[] = {'m','o','v','e','F','i','r','s','t',0};
static const WCHAR moveNextW[] = {'m','o','v','e','N','e','x','t',0};
static inline EnumeratorInstance *enumerator_from_jsdisp(jsdisp_t *jsdisp)
{
return CONTAINING_RECORD(jsdisp, EnumeratorInstance, dispex);
}
static inline EnumeratorInstance *enumerator_from_vdisp(vdisp_t *vdisp)
{
return enumerator_from_jsdisp(vdisp->u.jsdisp);
}
static inline EnumeratorInstance *enumerator_this(vdisp_t *jsthis)
{
return is_vclass(jsthis, JSCLASS_ENUMERATOR) ? enumerator_from_vdisp(jsthis) : NULL;
}
static inline HRESULT enumvar_get_next_item(EnumeratorInstance *This)
{
HRESULT hres;
VARIANT nextitem;
if (This->atend)
return S_OK;
/* dont leak pervious value */
jsval_release(This->item);
/* not at end ... get next item */
VariantInit(&nextitem);
hres = IEnumVARIANT_Next(This->enumvar, 1, &nextitem, NULL);
if (hres == S_OK)
{
hres = variant_to_jsval(&nextitem, &This->item);
VariantClear(&nextitem);
if (FAILED(hres))
{
WARN("failed to convert jsval to variant!");
This->item = jsval_undefined();
return hres;
}
}
else
{
This->item = jsval_undefined();
This->atend = TRUE;
}
return S_OK;
}
static void Enumerator_destructor(jsdisp_t *dispex)
{
TRACE("Enumerator_destructor\n");
EnumeratorInstance *This = enumerator_from_jsdisp(dispex);
TRACE("\n");
jsval_release(This->item);
heap_free(dispex);
}
static HRESULT Enumerator_atEnd(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("Enumerator_atEnd\n");
EnumeratorInstance *This;
return E_NOTIMPL;
if (!(This = enumerator_this(jsthis)))
return throw_type_error(ctx, JS_E_ENUMERATOR_EXPECTED, NULL);
TRACE("%d\n", This->atend);
if (r)
*r = jsval_bool(This->atend);
return S_OK;
}
static HRESULT Enumerator_item(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("Enumerator_item\n");
EnumeratorInstance *This;
return E_NOTIMPL;
TRACE("\n");
if (!(This = enumerator_this(jsthis)))
return throw_type_error(ctx, JS_E_ENUMERATOR_EXPECTED, NULL);
return r ? jsval_copy(This->item, r) : S_OK;
}
static HRESULT Enumerator_moveFirst(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("Enumerator_moveFirst\n");
EnumeratorInstance *This;
HRESULT hres = S_OK;
return E_NOTIMPL;
TRACE("\n");
if (!(This = enumerator_this(jsthis)))
return throw_type_error(ctx, JS_E_ENUMERATOR_EXPECTED, NULL);
if (This->enumvar)
{
hres = IEnumVARIANT_Reset(This->enumvar);
if (FAILED(hres))
return hres;
This->atend = FALSE;
hres = enumvar_get_next_item(This);
if(FAILED(hres))
return hres;
}
if (r)
*r = jsval_undefined();
return S_OK;
}
static HRESULT Enumerator_moveNext(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("Enumerator_moveNext\n");
EnumeratorInstance *This;
HRESULT hres = S_OK;
return E_NOTIMPL;
TRACE("\n");
if (!(This = enumerator_this(jsthis)))
return throw_type_error(ctx, JS_E_ENUMERATOR_EXPECTED, NULL);
if (This->enumvar)
{
hres = enumvar_get_next_item(This);
if (FAILED(hres))
return hres;
}
if (r)
*r = jsval_undefined();
return S_OK;
}
static const builtin_prop_t Enumerator_props[] = {
@ -80,7 +184,7 @@ static const builtin_prop_t Enumerator_props[] = {
};
static const builtin_info_t Enumerator_info = {
JSCLASS_OBJECT,
JSCLASS_ENUMERATOR,
{NULL, NULL, 0},
ARRAY_SIZE(Enumerator_props),
Enumerator_props,
@ -89,7 +193,7 @@ static const builtin_info_t Enumerator_info = {
};
static const builtin_info_t EnumeratorInst_info = {
JSCLASS_OBJECT,
JSCLASS_ENUMERATOR,
{NULL, NULL, 0, NULL},
0,
NULL,
@ -97,34 +201,6 @@ static const builtin_info_t EnumeratorInst_info = {
NULL
};
static HRESULT EnumeratorConstr_value(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsdisp_t *obj;
HRESULT hres;
TRACE("EnumeratorConstr_value\n");
switch(flags) {
case DISPATCH_CONSTRUCT: {
if (argc != 1)
return throw_syntax_error(ctx, JS_E_MISSING_ARG, NULL);
hres = create_enumerator(ctx, &argv[0], &obj);
if(FAILED(hres))
return hres;
*r = jsval_obj(obj);
break;
}
default:
FIXME("unimplemented flags: %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT alloc_enumerator(script_ctx_t *ctx, jsdisp_t *object_prototype, EnumeratorInstance **ret)
{
EnumeratorInstance *enumerator;
@ -140,7 +216,8 @@ static HRESULT alloc_enumerator(script_ctx_t *ctx, jsdisp_t *object_prototype, E
hres = init_dispex_from_constr(&enumerator->dispex, ctx, &EnumeratorInst_info,
ctx->enumerator_constr);
if(FAILED(hres)) {
if(FAILED(hres))
{
heap_free(enumerator);
return hres;
}
@ -149,6 +226,100 @@ static HRESULT alloc_enumerator(script_ctx_t *ctx, jsdisp_t *object_prototype, E
return S_OK;
}
static HRESULT create_enumerator(script_ctx_t *ctx, jsval_t *argv, jsdisp_t **ret)
{
EnumeratorInstance *enumerator;
HRESULT hres;
IDispatch *obj;
DISPPARAMS dispparams = {NULL, NULL, 0, 0};
IEnumVARIANT *enumvar = NULL;
if (argv)
{
VARIANT varresult;
if (!is_object_instance(*argv))
{
FIXME("I don't know how to handle this type!\n");
return E_NOTIMPL;
}
obj = get_object(*argv);
/* Try to get a IEnumVARIANT by _NewEnum */
VariantInit(&varresult);
hres = IDispatch_Invoke(obj, DISPID_NEWENUM, &IID_NULL, LOCALE_NEUTRAL,
DISPATCH_METHOD, &dispparams, &varresult, NULL, NULL);
if (FAILED(hres))
{
WARN("Enumerator: no DISPID_NEWENUM.\n");
return E_INVALIDARG;
}
if ((V_VT(&varresult) == VT_DISPATCH) || (V_VT(&varresult) == VT_UNKNOWN))
{
hres = IUnknown_QueryInterface(V_UNKNOWN(&varresult),
&IID_IEnumVARIANT, (void**)&enumvar);
}
else
{
FIXME("Enumerator: NewEnum unexpected type of varresult (%d).\n", V_VT(&varresult));
hres = E_INVALIDARG;
}
VariantClear(&varresult);
if (FAILED(hres))
return hres;
}
hres = alloc_enumerator(ctx, NULL, &enumerator);
if (FAILED(hres))
{
if (enumvar)
IEnumVARIANT_Release(enumvar);
return hres;
}
enumerator->enumvar = enumvar;
enumerator->atend = !enumvar;
hres = enumvar_get_next_item(enumerator);
if (FAILED(hres))
{
jsdisp_release(&enumerator->dispex);
return hres;
}
*ret = &enumerator->dispex;
return S_OK;
}
static HRESULT EnumeratorConstr_value(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsdisp_t *obj;
HRESULT hres;
TRACE("\n");
switch(flags) {
case DISPATCH_CONSTRUCT: {
if (argc > 1)
return throw_syntax_error(ctx, JS_E_INVALIDARG, NULL);
hres = create_enumerator(ctx, (argc == 1) ? &argv[0] : 0, &obj);
if(FAILED(hres))
return hres;
*r = jsval_obj(obj);
break;
}
default:
FIXME("unimplemented flags: %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static const builtin_info_t EnumeratorConstr_info = {
JSCLASS_FUNCTION,
DEFAULT_FUNCTION_VALUE,
@ -175,16 +346,3 @@ HRESULT create_enumerator_constr(script_ctx_t *ctx, jsdisp_t *object_prototype,
return hres;
}
HRESULT create_enumerator(script_ctx_t *ctx, jsval_t *argv, jsdisp_t **ret)
{
EnumeratorInstance *enumerator;
HRESULT hres;
hres = alloc_enumerator(ctx, NULL, &enumerator);
if(FAILED(hres))
return hres;
*ret = &enumerator->dispex;
return S_OK;
}

3
dlls/jscript/jscript.h
View File

@ -116,6 +116,7 @@ typedef enum {
JSCLASS_ARRAY,
JSCLASS_BOOLEAN,
JSCLASS_DATE,
JSCLASS_ENUMERATOR,
JSCLASS_ERROR,
JSCLASS_FUNCTION,
JSCLASS_GLOBAL,
@ -326,7 +327,6 @@ HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_json(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
HRESULT create_enumerator(script_ctx_t *ctx, jsval_t *argv, jsdisp_t **ret) DECLSPEC_HIDDEN;
typedef enum {
NO_HINT,
@ -561,6 +561,7 @@ static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
#define JS_E_VBARRAY_EXPECTED MAKE_JSERROR(IDS_NOT_VBARRAY)
#define JS_E_INVALID_DELETE MAKE_JSERROR(IDS_INVALID_DELETE)
#define JS_E_JSCRIPT_EXPECTED MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
#define JS_E_ENUMERATOR_EXPECTED MAKE_JSERROR(IDS_NOT_ENUMERATOR)
#define JS_E_REGEXP_SYNTAX MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
#define JS_E_INVALID_URI_CODING MAKE_JSERROR(IDS_URI_INVALID_CODING)
#define JS_E_INVALID_URI_CHAR MAKE_JSERROR(IDS_URI_INVALID_CHAR)

2
dlls/jscript/object.c
View File

@ -69,7 +69,7 @@ static HRESULT Object_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, u
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,
static const WCHAR *names[] = {NULL, arrayW, booleanW, dateW, objectW, errorW,
functionW, NULL, mathW, numberW, objectW, regexpW, stringW, objectW, objectW, objectW};
TRACE("\n");

1
dlls/jscript/resource.h
View File

@ -56,6 +56,7 @@
#define IDS_INVALID_DELETE 0x1394
#define IDS_NOT_VBARRAY 0x1395
#define IDS_JSCRIPT_EXPECTED 0x1396
#define IDS_NOT_ENUMERATOR 0x1397
#define IDS_REGEXP_SYNTAX_ERROR 0x1399
#define IDS_URI_INVALID_CHAR 0x13A0
#define IDS_URI_INVALID_CODING 0x13A1

6
dlls/jscript/tests/api.js
View File

@ -58,8 +58,8 @@ testNoEnumerables("Function");
testNoEnumerables("Function.prototype");
testNoEnumerables("testNoEnumerates");
testNoEnumerables("VBArray");
testNoEnumerables("new Enumerator([])");
testNoEnumerables("Enumerator([])");
testNoEnumerables("new Enumerator()");
testNoEnumerables("Enumerator()");
ok(Object.propertyIsEnumerable("prototype") === false, "Object.prototype is enumerable");
ok(Math.propertyIsEnumerable("E") === false, "Math.E is enumerable");
@ -343,7 +343,7 @@ ok(tmp === "[object Object]", "toString.call(this) = " + tmp);
ok(tmp === "[object Object]", "toString.call(arguments) = " + tmp);
tmp = Object.prototype.toString.call(new VBArray(createArray()));
ok(tmp === "[object Object]", "toString.call(new VBArray()) = " + tmp);
(tmp = new Enumerator([])).f = Object.prototype.toString;
(tmp = new Enumerator()).f = Object.prototype.toString;
ok(tmp.f() === "[object Object]", "tmp.f() = " + tmp.f());
function TSTestConstr() {}