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wine/dlls/jscript/array.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 "config.h"
#include "wine/port.h"
#include <math.h>
#include "jscript.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
typedef struct {
jsdisp_t dispex;
DWORD length;
} ArrayInstance;
static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
static const WCHAR concatW[] = {'c','o','n','c','a','t',0};
static const WCHAR joinW[] = {'j','o','i','n',0};
static const WCHAR popW[] = {'p','o','p',0};
static const WCHAR pushW[] = {'p','u','s','h',0};
static const WCHAR reverseW[] = {'r','e','v','e','r','s','e',0};
static const WCHAR shiftW[] = {'s','h','i','f','t',0};
static const WCHAR sliceW[] = {'s','l','i','c','e',0};
static const WCHAR sortW[] = {'s','o','r','t',0};
static const WCHAR spliceW[] = {'s','p','l','i','c','e',0};
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 unshiftW[] = {'u','n','s','h','i','f','t',0};
static const WCHAR default_separatorW[] = {',',0};
static inline ArrayInstance *array_from_vdisp(vdisp_t *vdisp)
{
return (ArrayInstance*)vdisp->u.jsdisp;
}
static inline ArrayInstance *array_this(vdisp_t *jsthis)
{
return is_vclass(jsthis, JSCLASS_ARRAY) ? array_from_vdisp(jsthis) : NULL;
}
static HRESULT get_length(script_ctx_t *ctx, vdisp_t *vdisp, jsexcept_t *ei, jsdisp_t **jsthis, DWORD *ret)
{
ArrayInstance *array;
VARIANT var;
HRESULT hres;
array = array_this(vdisp);
if(array) {
*jsthis = &array->dispex;
*ret = array->length;
return S_OK;
}
if(!is_jsdisp(vdisp))
return throw_type_error(ctx, ei, JS_E_JSCRIPT_EXPECTED, NULL);
hres = jsdisp_propget_name(vdisp->u.jsdisp, lengthW, &var, ei);
if(FAILED(hres))
return hres;
hres = to_uint32(ctx, &var, ei, ret);
VariantClear(&var);
if(FAILED(hres))
return hres;
*jsthis = vdisp->u.jsdisp;
return S_OK;
}
static HRESULT set_length(jsdisp_t *obj, jsexcept_t *ei, DWORD length)
{
VARIANT var;
if(is_class(obj, JSCLASS_ARRAY)) {
((ArrayInstance*)obj)->length = length;
return S_OK;
}
num_set_int(&var, length);
return jsdisp_propput_name(obj, lengthW, &var, ei);
}
static WCHAR *idx_to_str(DWORD idx, WCHAR *ptr)
{
if(!idx) {
*ptr = '0';
return ptr;
}
while(idx) {
*ptr-- = '0' + (idx%10);
idx /= 10;
}
return ptr+1;
}
static HRESULT Array_length(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
ArrayInstance *This = array_from_vdisp(jsthis);
TRACE("%p %d\n", This, This->length);
switch(flags) {
case DISPATCH_PROPERTYGET:
num_set_int(retv, This->length);
break;
case DISPATCH_PROPERTYPUT: {
DOUBLE len = -1;
DWORD i;
HRESULT hres;
hres = to_number(ctx, argv, ei, &len);
if(FAILED(hres))
return hres;
len = floor(len);
if(len!=(DWORD)len)
return throw_range_error(ctx, ei, JS_E_INVALID_LENGTH, NULL);
for(i=len; i<This->length; i++) {
hres = jsdisp_delete_idx(&This->dispex, i);
if(FAILED(hres))
return hres;
}
This->length = len;
break;
}
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT concat_array(jsdisp_t *array, ArrayInstance *obj, DWORD *len, jsexcept_t *ei)
{
VARIANT var;
DWORD i;
HRESULT hres;
for(i=0; i < obj->length; i++) {
hres = jsdisp_get_idx(&obj->dispex, i, &var, ei);
if(hres == DISP_E_UNKNOWNNAME)
continue;
if(FAILED(hres))
return hres;
hres = jsdisp_propput_idx(array, *len+i, &var, ei);
VariantClear(&var);
if(FAILED(hres))
return hres;
}
*len += obj->length;
return S_OK;
}
static HRESULT concat_obj(jsdisp_t *array, IDispatch *obj, DWORD *len, jsexcept_t *ei)
{
jsdisp_t *jsobj;
VARIANT var;
HRESULT hres;
jsobj = iface_to_jsdisp((IUnknown*)obj);
if(jsobj) {
if(is_class(jsobj, JSCLASS_ARRAY)) {
hres = concat_array(array, (ArrayInstance*)jsobj, len, ei);
jsdisp_release(jsobj);
return hres;
}
jsdisp_release(jsobj);
}
V_VT(&var) = VT_DISPATCH;
V_DISPATCH(&var) = obj;
return jsdisp_propput_idx(array, (*len)++, &var, ei);
}
static HRESULT Array_concat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *ret;
DWORD len = 0;
HRESULT hres;
TRACE("\n");
hres = create_array(ctx, 0, &ret);
if(FAILED(hres))
return hres;
hres = concat_obj(ret, jsthis->u.disp, &len, ei);
if(SUCCEEDED(hres)) {
VARIANT *arg;
DWORD i;
for(i=0; i < argc; i++) {
arg = argv+i;
if(V_VT(arg) == VT_DISPATCH)
hres = concat_obj(ret, V_DISPATCH(arg), &len, ei);
else
hres = jsdisp_propput_idx(ret, len++, arg, ei);
if(FAILED(hres))
break;
}
}
if(FAILED(hres))
return hres;
if(retv)
var_set_jsdisp(retv, ret);
else
jsdisp_release(ret);
return S_OK;
}
static HRESULT array_join(script_ctx_t *ctx, jsdisp_t *array, DWORD length, const WCHAR *sep, VARIANT *retv, jsexcept_t *ei)
{
BSTR *str_tab, ret = NULL;
VARIANT var;
DWORD i;
HRESULT hres = E_FAIL;
if(!length) {
if(retv) {
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = SysAllocStringLen(NULL, 0);
if(!V_BSTR(retv))
return E_OUTOFMEMORY;
}
return S_OK;
}
str_tab = heap_alloc_zero(length * sizeof(BSTR));
if(!str_tab)
return E_OUTOFMEMORY;
for(i=0; i < length; i++) {
hres = jsdisp_get_idx(array, i, &var, ei);
if(hres == DISP_E_UNKNOWNNAME) {
hres = S_OK;
continue;
} else if(FAILED(hres))
break;
if(V_VT(&var) != VT_EMPTY && V_VT(&var) != VT_NULL)
hres = to_string(ctx, &var, ei, str_tab+i);
VariantClear(&var);
if(FAILED(hres))
break;
}
if(SUCCEEDED(hres)) {
DWORD seplen = 0, len = 0;
WCHAR *ptr;
seplen = strlenW(sep);
if(str_tab[0])
len = SysStringLen(str_tab[0]);
for(i=1; i < length; i++)
len += seplen + SysStringLen(str_tab[i]);
ret = SysAllocStringLen(NULL, len);
if(ret) {
DWORD tmplen = 0;
if(str_tab[0]) {
tmplen = SysStringLen(str_tab[0]);
memcpy(ret, str_tab[0], tmplen*sizeof(WCHAR));
}
ptr = ret + tmplen;
for(i=1; i < length; i++) {
if(seplen) {
memcpy(ptr, sep, seplen*sizeof(WCHAR));
ptr += seplen;
}
if(str_tab[i]) {
tmplen = SysStringLen(str_tab[i]);
memcpy(ptr, str_tab[i], tmplen*sizeof(WCHAR));
ptr += tmplen;
}
}
*ptr=0;
}else {
hres = E_OUTOFMEMORY;
}
}
for(i=0; i < length; i++)
SysFreeString(str_tab[i]);
heap_free(str_tab);
if(FAILED(hres))
return hres;
TRACE("= %s\n", debugstr_w(ret));
if(retv) {
if(!ret) {
ret = SysAllocStringLen(NULL, 0);
if(!ret)
return E_OUTOFMEMORY;
}
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = ret;
}else {
SysFreeString(ret);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.4.4.5 */
static HRESULT Array_join(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsthis;
DWORD length;
HRESULT hres;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
if(argc) {
BSTR sep;
hres = to_string(ctx, argv, ei, &sep);
if(FAILED(hres))
return hres;
hres = array_join(ctx, jsthis, length, sep, retv, ei);
SysFreeString(sep);
}else {
hres = array_join(ctx, jsthis, length, default_separatorW, retv, ei);
}
return hres;
}
static HRESULT Array_pop(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsthis;
VARIANT val;
DWORD length;
HRESULT hres;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
if(!length) {
hres = set_length(jsthis, ei, 0);
if(FAILED(hres))
return hres;
if(retv)
V_VT(retv) = VT_EMPTY;
return S_OK;
}
length--;
hres = jsdisp_get_idx(jsthis, length, &val, ei);
if(SUCCEEDED(hres)) {
hres = jsdisp_delete_idx(jsthis, length);
} else if(hres == DISP_E_UNKNOWNNAME) {
V_VT(&val) = VT_EMPTY;
hres = S_OK;
} else
return hres;
if(SUCCEEDED(hres))
hres = set_length(jsthis, ei, length);
if(FAILED(hres)) {
VariantClear(&val);
return hres;
}
if(retv)
*retv = val;
else
VariantClear(&val);
return S_OK;
}
/* ECMA-262 3rd Edition 15.4.4.7 */
static HRESULT Array_push(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsthis;
DWORD length = 0;
unsigned i;
HRESULT hres;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
for(i=0; i < argc; i++) {
hres = jsdisp_propput_idx(jsthis, length+i, argv+i, ei);
if(FAILED(hres))
return hres;
}
hres = set_length(jsthis, ei, length+argc);
if(FAILED(hres))
return hres;
if(retv)
num_set_int(retv, length+argc);
return S_OK;
}
static HRESULT Array_reverse(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsthis;
DWORD length, k, l;
VARIANT v1, v2;
HRESULT hres1, hres2;
TRACE("\n");
hres1 = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres1))
return hres1;
for(k=0; k<length/2; k++) {
l = length-k-1;
hres1 = jsdisp_get_idx(jsthis, k, &v1, ei);
if(FAILED(hres1) && hres1!=DISP_E_UNKNOWNNAME)
return hres1;
hres2 = jsdisp_get_idx(jsthis, l, &v2, ei);
if(FAILED(hres2) && hres2!=DISP_E_UNKNOWNNAME) {
VariantClear(&v1);
return hres2;
}
if(hres1 == DISP_E_UNKNOWNNAME)
hres1 = jsdisp_delete_idx(jsthis, l);
else
hres1 = jsdisp_propput_idx(jsthis, l, &v1, ei);
if(FAILED(hres1)) {
VariantClear(&v1);
VariantClear(&v2);
return hres1;
}
if(hres2 == DISP_E_UNKNOWNNAME)
hres2 = jsdisp_delete_idx(jsthis, k);
else
hres2 = jsdisp_propput_idx(jsthis, k, &v2, ei);
if(FAILED(hres2)) {
VariantClear(&v2);
return hres2;
}
}
if(retv) {
jsdisp_addref(jsthis);
var_set_jsdisp(retv, jsthis);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.4.4.9 */
static HRESULT Array_shift(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsthis;
DWORD length = 0, i;
VARIANT v, ret;
HRESULT hres;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
if(!length) {
hres = set_length(jsthis, ei, 0);
if(FAILED(hres))
return hres;
}
if(!length) {
if(retv)
V_VT(retv) = VT_EMPTY;
return S_OK;
}
hres = jsdisp_get_idx(jsthis, 0, &ret, ei);
if(hres == DISP_E_UNKNOWNNAME) {
V_VT(&ret) = VT_EMPTY;
hres = S_OK;
}
for(i=1; SUCCEEDED(hres) && i<length; i++) {
hres = jsdisp_get_idx(jsthis, i, &v, ei);
if(hres == DISP_E_UNKNOWNNAME)
hres = jsdisp_delete_idx(jsthis, i-1);
else if(SUCCEEDED(hres))
hres = jsdisp_propput_idx(jsthis, i-1, &v, ei);
}
if(SUCCEEDED(hres)) {
hres = jsdisp_delete_idx(jsthis, length-1);
if(SUCCEEDED(hres))
hres = set_length(jsthis, ei, length-1);
}
if(SUCCEEDED(hres) && retv)
*retv = ret;
else
VariantClear(&ret);
return hres;
}
/* ECMA-262 3rd Edition 15.4.4.10 */
static HRESULT Array_slice(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *arr, *jsthis;
DOUBLE range;
DWORD length, start, end, idx;
HRESULT hres;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
if(argc) {
hres = to_number(ctx, argv, ei, &range);
if(FAILED(hres))
return hres;
range = floor(range);
if(-range>length || isnan(range)) start = 0;
else if(range < 0) start = range+length;
else if(range <= length) start = range;
else start = length;
}
else start = 0;
if(argc > 1) {
hres = to_number(ctx, argv+1, ei, &range);
if(FAILED(hres))
return hres;
range = floor(range);
if(-range>length) end = 0;
else if(range < 0) end = range+length;
else if(range <= length) end = range;
else end = length;
}
else end = length;
hres = create_array(ctx, (end>start)?end-start:0, &arr);
if(FAILED(hres))
return hres;
for(idx=start; idx<end; idx++) {
VARIANT v;
hres = jsdisp_get_idx(jsthis, idx, &v, ei);
if(hres == DISP_E_UNKNOWNNAME)
continue;
if(SUCCEEDED(hres)) {
hres = jsdisp_propput_idx(arr, idx-start, &v, ei);
VariantClear(&v);
}
if(FAILED(hres)) {
jsdisp_release(arr);
return hres;
}
}
if(retv)
var_set_jsdisp(retv, arr);
else
jsdisp_release(arr);
return S_OK;
}
static HRESULT sort_cmp(script_ctx_t *ctx, jsdisp_t *cmp_func, VARIANT *v1, VARIANT *v2, jsexcept_t *ei, INT *cmp)
{
HRESULT hres;
if(cmp_func) {
VARIANTARG args[2];
double n;
VARIANT res;
args[0] = *v1;
args[1] = *v2;
hres = jsdisp_call_value(cmp_func, NULL, DISPATCH_METHOD, 2, args, &res, ei);
if(FAILED(hres))
return hres;
hres = to_number(ctx, &res, ei, &n);
VariantClear(&res);
if(FAILED(hres))
return hres;
if(n == 0)
*cmp = 0;
*cmp = n > 0.0 ? 1 : -1;
}else if(V_VT(v1) == VT_EMPTY) {
*cmp = V_VT(v2) == VT_EMPTY ? 0 : 1;
}else if(V_VT(v2) == VT_EMPTY) {
*cmp = -1;
}else if(is_num_vt(V_VT(v1)) && is_num_vt(V_VT(v2))) {
DOUBLE d = num_val(v1)-num_val(v2);
if(d > 0.0)
*cmp = 1;
else
*cmp = d < -0.0 ? -1 : 0;
}else {
BSTR x, y;
hres = to_string(ctx, v1, ei, &x);
if(FAILED(hres))
return hres;
hres = to_string(ctx, v2, ei, &y);
if(SUCCEEDED(hres)) {
*cmp = strcmpW(x, y);
SysFreeString(y);
}
SysFreeString(x);
if(FAILED(hres))
return hres;
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.4.4.11 */
static HRESULT Array_sort(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsthis, *cmp_func = NULL;
VARIANT *vtab, **sorttab = NULL;
DWORD length;
DWORD i;
HRESULT hres = S_OK;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
if(argc > 1) {
WARN("invalid arg_cnt %d\n", argc);
return E_FAIL;
}
if(argc == 1) {
if(V_VT(argv) != VT_DISPATCH) {
WARN("arg is not dispatch\n");
return E_FAIL;
}
cmp_func = iface_to_jsdisp((IUnknown*)V_DISPATCH(argv));
if(!cmp_func || !is_class(cmp_func, JSCLASS_FUNCTION)) {
WARN("cmp_func is not a function\n");
if(cmp_func)
jsdisp_release(cmp_func);
return E_FAIL;
}
}
if(!length) {
if(cmp_func)
jsdisp_release(cmp_func);
if(retv) {
jsdisp_addref(jsthis);
var_set_jsdisp(retv, jsthis);
}
return S_OK;
}
vtab = heap_alloc_zero(length * sizeof(VARIANT));
if(vtab) {
for(i=0; i<length; i++) {
hres = jsdisp_get_idx(jsthis, i, vtab+i, ei);
if(hres == DISP_E_UNKNOWNNAME) {
V_VT(vtab+i) = VT_EMPTY;
hres = S_OK;
} else if(FAILED(hres)) {
WARN("Could not get elem %d: %08x\n", i, hres);
break;
}
}
}else {
hres = E_OUTOFMEMORY;
}
if(SUCCEEDED(hres)) {
sorttab = heap_alloc(length*2*sizeof(VARIANT*));
if(!sorttab)
hres = E_OUTOFMEMORY;
}
/* merge-sort */
if(SUCCEEDED(hres)) {
VARIANT *tmpv, **tmpbuf;
INT cmp;
tmpbuf = sorttab + length;
for(i=0; i < length; i++)
sorttab[i] = vtab+i;
for(i=0; i < length/2; i++) {
hres = sort_cmp(ctx, cmp_func, sorttab[2*i+1], sorttab[2*i], ei, &cmp);
if(FAILED(hres))
break;
if(cmp < 0) {
tmpv = sorttab[2*i];
sorttab[2*i] = sorttab[2*i+1];
sorttab[2*i+1] = tmpv;
}
}
if(SUCCEEDED(hres)) {
DWORD k, a, b, bend;
for(k=2; k < length; k *= 2) {
for(i=0; i+k < length; i += 2*k) {
a = b = 0;
if(i+2*k <= length)
bend = k;
else
bend = length - (i+k);
memcpy(tmpbuf, sorttab+i, k*sizeof(VARIANT*));
while(a < k && b < bend) {
hres = sort_cmp(ctx, cmp_func, tmpbuf[a], sorttab[i+k+b], ei, &cmp);
if(FAILED(hres))
break;
if(cmp < 0) {
sorttab[i+a+b] = tmpbuf[a];
a++;
}else {
sorttab[i+a+b] = sorttab[i+k+b];
b++;
}
}
if(FAILED(hres))
break;
if(a < k)
memcpy(sorttab+i+a+b, tmpbuf+a, (k-a)*sizeof(VARIANT*));
}
if(FAILED(hres))
break;
}
}
for(i=0; SUCCEEDED(hres) && i < length; i++)
hres = jsdisp_propput_idx(jsthis, i, sorttab[i], ei);
}
if(vtab) {
for(i=0; i < length; i++)
VariantClear(vtab+i);
heap_free(vtab);
}
heap_free(sorttab);
if(cmp_func)
jsdisp_release(cmp_func);
if(FAILED(hres))
return hres;
if(retv) {
jsdisp_addref(jsthis);
var_set_jsdisp(retv, jsthis);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.4.4.12 */
static HRESULT Array_splice(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
DWORD length, start=0, delete_cnt=0, i, add_args = 0;
jsdisp_t *ret_array = NULL, *jsthis;
VARIANT v;
double d;
int n;
HRESULT hres = S_OK;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
if(argc) {
hres = to_integer(ctx, argv, ei, &d);
if(FAILED(hres))
return hres;
if(is_int32(d)) {
if((n = d) >= 0)
start = min(n, length);
else
start = -n > length ? 0 : length + n;
}else {
start = d < 0.0 ? 0 : length;
}
}
if(argc >= 2) {
hres = to_integer(ctx, argv+1, ei, &d);
if(FAILED(hres))
return hres;
if(is_int32(d)) {
if((n = d) > 0)
delete_cnt = min(n, length-start);
}else if(d > 0.0) {
delete_cnt = length-start;
}
add_args = argc-2;
}
if(retv) {
hres = create_array(ctx, 0, &ret_array);
if(FAILED(hres))
return hres;
for(i=0; SUCCEEDED(hres) && i < delete_cnt; i++) {
hres = jsdisp_get_idx(jsthis, start+i, &v, ei);
if(hres == DISP_E_UNKNOWNNAME)
hres = S_OK;
else if(SUCCEEDED(hres))
hres = jsdisp_propput_idx(ret_array, i, &v, ei);
}
if(SUCCEEDED(hres)) {
num_set_int(&v, delete_cnt);
hres = jsdisp_propput_name(ret_array, lengthW, &v, ei);
}
}
if(add_args < delete_cnt) {
for(i = start; SUCCEEDED(hres) && i < length-delete_cnt; i++) {
hres = jsdisp_get_idx(jsthis, i+delete_cnt, &v, ei);
if(hres == DISP_E_UNKNOWNNAME)
hres = jsdisp_delete_idx(jsthis, i+add_args);
else if(SUCCEEDED(hres))
hres = jsdisp_propput_idx(jsthis, i+add_args, &v, ei);
}
for(i=length; SUCCEEDED(hres) && i != length-delete_cnt+add_args; i--)
hres = jsdisp_delete_idx(jsthis, i-1);
}else if(add_args > delete_cnt) {
for(i=length-delete_cnt; SUCCEEDED(hres) && i != start; i--) {
hres = jsdisp_get_idx(jsthis, i+delete_cnt-1, &v, ei);
if(hres == DISP_E_UNKNOWNNAME)
hres = jsdisp_delete_idx(jsthis, i+add_args-1);
else if(SUCCEEDED(hres))
hres = jsdisp_propput_idx(jsthis, i+add_args-1, &v, ei);
}
}
for(i=0; SUCCEEDED(hres) && i < add_args; i++)
hres = jsdisp_propput_idx(jsthis, start+i, argv+i+2, ei);
if(SUCCEEDED(hres)) {
num_set_int(&v, length-delete_cnt+add_args);
hres = jsdisp_propput_name(jsthis, lengthW, &v, ei);
}
if(FAILED(hres)) {
if(ret_array)
jsdisp_release(ret_array);
return hres;
}
if(retv)
var_set_jsdisp(retv, ret_array);
return S_OK;
}
/* ECMA-262 3rd Edition 15.4.4.2 */
static HRESULT Array_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
ArrayInstance *array;
TRACE("\n");
array = array_this(jsthis);
if(!array)
return throw_type_error(ctx, ei, JS_E_ARRAY_EXPECTED, NULL);
return array_join(ctx, &array->dispex, array->length, default_separatorW, retv, ei);
}
static HRESULT Array_toLocaleString(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
FIXME("\n");
return E_NOTIMPL;
}
/* ECMA-262 3rd Edition 15.4.4.13 */
static HRESULT Array_unshift(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *jsthis;
WCHAR buf[14], *buf_end, *str;
DWORD i, length;
VARIANT var;
DISPID id;
HRESULT hres;
TRACE("\n");
hres = get_length(ctx, vthis, ei, &jsthis, &length);
if(FAILED(hres))
return hres;
if(argc) {
buf_end = buf + sizeof(buf)/sizeof(WCHAR)-1;
*buf_end-- = 0;
i = length;
while(i--) {
str = idx_to_str(i, buf_end);
hres = jsdisp_get_id(jsthis, str, 0, &id);
if(SUCCEEDED(hres)) {
hres = jsdisp_propget(jsthis, id, &var, ei);
if(FAILED(hres))
return hres;
hres = jsdisp_propput_idx(jsthis, i+argc, &var, ei);
VariantClear(&var);
}else if(hres == DISP_E_UNKNOWNNAME) {
hres = IDispatchEx_DeleteMemberByDispID(vthis->u.dispex, id);
}
}
if(FAILED(hres))
return hres;
}
for(i=0; i<argc; i++) {
hres = jsdisp_propput_idx(jsthis, i, argv+i, ei);
if(FAILED(hres))
return hres;
}
if(argc) {
length += argc;
hres = set_length(jsthis, ei, length);
if(FAILED(hres))
return hres;
}
if(retv) {
if(ctx->version < 2)
V_VT(retv) = VT_EMPTY;
else
num_set_int(retv, length);
}
return S_OK;
}
static HRESULT Array_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
TRACE("\n");
switch(flags) {
case INVOKE_FUNC:
return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
case INVOKE_PROPERTYGET:
return array_join(ctx, jsthis->u.jsdisp, array_from_vdisp(jsthis)->length, default_separatorW, retv, ei);
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static void Array_destructor(jsdisp_t *dispex)
{
heap_free(dispex);
}
static void Array_on_put(jsdisp_t *dispex, const WCHAR *name)
{
ArrayInstance *array = (ArrayInstance*)dispex;
const WCHAR *ptr = name;
DWORD id = 0;
if(!isdigitW(*ptr))
return;
while(*ptr && isdigitW(*ptr)) {
id = id*10 + (*ptr-'0');
ptr++;
}
if(*ptr)
return;
if(id >= array->length)
array->length = id+1;
}
static const builtin_prop_t Array_props[] = {
{concatW, Array_concat, PROPF_METHOD|1},
{joinW, Array_join, PROPF_METHOD|1},
{lengthW, Array_length, 0},
{popW, Array_pop, PROPF_METHOD},
{pushW, Array_push, PROPF_METHOD|1},
{reverseW, Array_reverse, PROPF_METHOD},
{shiftW, Array_shift, PROPF_METHOD},
{sliceW, Array_slice, PROPF_METHOD|2},
{sortW, Array_sort, PROPF_METHOD|1},
{spliceW, Array_splice, PROPF_METHOD|2},
{toLocaleStringW, Array_toLocaleString, PROPF_METHOD},
{toStringW, Array_toString, PROPF_METHOD},
{unshiftW, Array_unshift, PROPF_METHOD|1},
};
static const builtin_info_t Array_info = {
JSCLASS_ARRAY,
{NULL, Array_value, 0},
sizeof(Array_props)/sizeof(*Array_props),
Array_props,
Array_destructor,
Array_on_put
};
static const builtin_prop_t ArrayInst_props[] = {
{lengthW, Array_length, 0}
};
static const builtin_info_t ArrayInst_info = {
JSCLASS_ARRAY,
{NULL, Array_value, 0},
sizeof(ArrayInst_props)/sizeof(*ArrayInst_props),
ArrayInst_props,
Array_destructor,
Array_on_put
};
static HRESULT ArrayConstr_value(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, VARIANT *argv,
VARIANT *retv, jsexcept_t *ei)
{
jsdisp_t *obj;
DWORD i;
HRESULT hres;
TRACE("\n");
switch(flags) {
case DISPATCH_METHOD:
case DISPATCH_CONSTRUCT: {
if(argc == 1 && V_VT(argv) == VT_I4) {
if(V_I4(argv) < 0)
return throw_range_error(ctx, ei, JS_E_INVALID_LENGTH, NULL);
hres = create_array(ctx, V_I4(argv), &obj);
if(FAILED(hres))
return hres;
var_set_jsdisp(retv, obj);
return S_OK;
}
hres = create_array(ctx, argc, &obj);
if(FAILED(hres))
return hres;
for(i=0; i < argc; i++) {
hres = jsdisp_propput_idx(obj, i, argv+i, ei);
if(FAILED(hres))
break;
}
if(FAILED(hres)) {
jsdisp_release(obj);
return hres;
}
var_set_jsdisp(retv, obj);
break;
}
default:
FIXME("unimplemented flags: %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT alloc_array(script_ctx_t *ctx, jsdisp_t *object_prototype, ArrayInstance **ret)
{
ArrayInstance *array;
HRESULT hres;
array = heap_alloc_zero(sizeof(ArrayInstance));
if(!array)
return E_OUTOFMEMORY;
if(object_prototype)
hres = init_dispex(&array->dispex, ctx, &Array_info, object_prototype);
else
hres = init_dispex_from_constr(&array->dispex, ctx, &ArrayInst_info, ctx->array_constr);
if(FAILED(hres)) {
heap_free(array);
return hres;
}
*ret = array;
return S_OK;
}
HRESULT create_array_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
{
ArrayInstance *array;
HRESULT hres;
static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
hres = alloc_array(ctx, object_prototype, &array);
if(FAILED(hres))
return hres;
hres = create_builtin_constructor(ctx, ArrayConstr_value, ArrayW, NULL, PROPF_CONSTR|1, &array->dispex, ret);
jsdisp_release(&array->dispex);
return hres;
}
HRESULT create_array(script_ctx_t *ctx, DWORD length, jsdisp_t **ret)
{
ArrayInstance *array;
HRESULT hres;
hres = alloc_array(ctx, NULL, &array);
if(FAILED(hres))
return hres;
array->length = length;
*ret = &array->dispex;
return S_OK;
}
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