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wine/dlls/jscript/date.c
Gabriel Ivăncescu ae73e09a8d jscript: Use CRT allocation functions. 
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
2022-11-21 22:10:43 +01:00

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
* Copyright 2009 Piotr Caban
*
* 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 <limits.h>
#include <math.h>
#include <assert.h>
#include "jscript.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
typedef struct {
jsdisp_t dispex;
/* ECMA-262 3rd Edition 15.9.1.1 */
DOUBLE time;
LONG bias;
SYSTEMTIME standardDate;
LONG standardBias;
SYSTEMTIME daylightDate;
LONG daylightBias;
} DateInstance;
static inline DateInstance *date_from_jsdisp(jsdisp_t *jsdisp)
{
return CONTAINING_RECORD(jsdisp, DateInstance, dispex);
}
static inline DateInstance *date_this(jsval_t vthis)
{
jsdisp_t *jsdisp = is_object_instance(vthis) ? to_jsdisp(get_object(vthis)) : NULL;
return (jsdisp && is_class(jsdisp, JSCLASS_DATE)) ? date_from_jsdisp(jsdisp) : NULL;
}
static inline double file_time_to_date_time(const FILETIME *ftime)
{
/* 1601 to 1970 is 369 years plus 89 leap days */
const LONGLONG time_epoch = (LONGLONG)(369 * 365 + 89) * 86400 * 1000;
LONGLONG time = (((ULONGLONG)ftime->dwHighDateTime << 32) | ftime->dwLowDateTime) / 10000;
return time - time_epoch;
}
/*ECMA-262 3rd Edition 15.9.1.2 */
#define MS_PER_DAY 86400000
#define MS_PER_HOUR 3600000
#define MS_PER_MINUTE 60000
/* ECMA-262 3rd Edition 15.9.1.2 */
static inline DOUBLE day(DOUBLE time)
{
return floor(time / MS_PER_DAY);
}
/* ECMA-262 3rd Edition 15.9.1.2 */
static inline DOUBLE time_within_day(DOUBLE time)
{
DOUBLE ret;
ret = fmod(time, MS_PER_DAY);
if(ret < 0)
ret += MS_PER_DAY;
return ret;
}
/* ECMA-262 3rd Edition 15.9.1.3 */
static inline DOUBLE days_in_year(DOUBLE year)
{
int y;
if(year != (int)year)
return NAN;
y = year;
if(y%4 != 0) return 365;
if(y%100 != 0) return 366;
if(y%400 != 0) return 365;
return 366;
}
/* ECMA-262 3rd Edition 15.9.1.3 */
static inline DOUBLE day_from_year(DOUBLE year)
{
if(year != (int)year)
return NAN;
return floor(365.0*(year-1970) + floor((year-1969)/4)
- floor((year-1901)/100) + floor((year-1601)/400));
}
static inline int day_from_month(int month, int in_leap_year)
{
switch(month)
{
case 0:
return 0;
case 1:
return 31;
case 2:
return 59+in_leap_year;
case 3:
return 90+in_leap_year;
case 4:
return 120+in_leap_year;
case 5:
return 151+in_leap_year;
case 6:
return 181+in_leap_year;
case 7:
return 212+in_leap_year;
case 8:
return 243+in_leap_year;
case 9:
return 273+in_leap_year;
case 10:
return 304+in_leap_year;
default:
return 334+in_leap_year;
}
}
/* ECMA-262 3rd Edition 15.9.1.3 */
static inline DOUBLE time_from_year(DOUBLE year)
{
return MS_PER_DAY*day_from_year(year);
}
/* ECMA-262 3rd Edition 15.9.1.3 */
static inline DOUBLE year_from_time(DOUBLE time)
{
int y;
if(isnan(time))
return NAN;
y = 1970 + time/365.25/MS_PER_DAY;
if(time_from_year(y) > time)
while(time_from_year(y) > time) y--;
else
while(time_from_year(y+1)<=time) y++;
return y;
}
/* ECMA-262 3rd Edition 15.9.1.3 */
static inline int in_leap_year(DOUBLE time)
{
if(days_in_year(year_from_time(time))==366)
return 1;
return 0;
}
/* ECMA-262 3rd Edition 15.9.1.4 */
static inline int day_within_year(DOUBLE time)
{
return day(time) - day_from_year(year_from_time(time));
}
/* ECMA-262 3rd Edition 15.9.1.4 */
static inline DOUBLE month_from_time(DOUBLE time)
{
int ily = in_leap_year(time);
int dwy = day_within_year(time);
if(isnan(time))
return NAN;
if(0<=dwy && dwy<31) return 0;
if(dwy < 59+ily) return 1;
if(dwy < 90+ily) return 2;
if(dwy < 120+ily) return 3;
if(dwy < 151+ily) return 4;
if(dwy < 181+ily) return 5;
if(dwy < 212+ily) return 6;
if(dwy < 243+ily) return 7;
if(dwy < 273+ily) return 8;
if(dwy < 304+ily) return 9;
if(dwy < 334+ily) return 10;
return 11;
}
/* ECMA-262 3rd Edition 15.9.1.5 */
static inline DOUBLE date_from_time(DOUBLE time)
{
int dwy = day_within_year(time);
int ily = in_leap_year(time);
int mft = month_from_time(time);
if(isnan(time))
return NAN;
if(mft==0) return dwy+1;
if(mft==1) return dwy-30;
if(mft==2) return dwy-58-ily;
if(mft==3) return dwy-89-ily;
if(mft==4) return dwy-119-ily;
if(mft==5) return dwy-150-ily;
if(mft==6) return dwy-180-ily;
if(mft==7) return dwy-211-ily;
if(mft==8) return dwy-242-ily;
if(mft==9) return dwy-272-ily;
if(mft==10) return dwy-303-ily;
return dwy-333-ily;
}
/* ECMA-262 3rd Edition 15.9.1.6 */
static inline DOUBLE week_day(DOUBLE time)
{
DOUBLE ret;
if(isnan(time))
return NAN;
ret = fmod(day(time)+4, 7);
if(ret<0) ret += 7;
return ret;
}
static inline DOUBLE convert_time(int year, SYSTEMTIME st)
{
DOUBLE time;
int set_week_day;
if(st.wMonth == 0)
return NAN;
if(st.wYear != 0)
year = st.wYear;
time = time_from_year(year);
time += (DOUBLE)day_from_month(st.wMonth-1, in_leap_year(time)) * MS_PER_DAY;
if(st.wYear == 0) {
set_week_day = st.wDayOfWeek-week_day(time);
if(set_week_day < 0)
set_week_day += 7;
time += set_week_day * MS_PER_DAY;
time += (DOUBLE)(st.wDay-1) * 7 * MS_PER_DAY;
if(month_from_time(time) != st.wMonth-1)
time -= 7 * MS_PER_DAY;
}
else
time += st.wDay * MS_PER_DAY;
time += st.wHour * MS_PER_HOUR;
time += st.wMinute * MS_PER_MINUTE;
return time;
}
/* ECMA-262 3rd Edition 15.9.1.9 */
static inline DOUBLE daylight_saving_ta(DOUBLE time, DateInstance *date)
{
int year = year_from_time(time);
DOUBLE standardTime, daylightTime;
if(isnan(time))
return 0;
standardTime = convert_time(year, date->standardDate);
daylightTime = convert_time(year, date->daylightDate);
if(isnan(standardTime) || isnan(daylightTime))
return 0;
else if(standardTime > daylightTime) {
if(daylightTime <= time && time < standardTime)
return date->daylightBias;
return date->standardBias;
}
else {
if(standardTime <= time && time < daylightTime)
return date->standardBias;
return date->daylightBias;
}
}
/* ECMA-262 3rd Edition 15.9.1.9 */
static inline DOUBLE local_time(DOUBLE time, DateInstance *date)
{
return time - (daylight_saving_ta(time, date)+date->bias)*MS_PER_MINUTE;
}
/* ECMA-262 3rd Edition 15.9.1.9 */
static inline DOUBLE utc(DOUBLE time, DateInstance *date)
{
time += date->bias * MS_PER_MINUTE;
return time + daylight_saving_ta(time, date)*MS_PER_MINUTE;
}
/* ECMA-262 3rd Edition 15.9.1.10 */
static inline DOUBLE hour_from_time(DOUBLE time)
{
DOUBLE ret;
if(isnan(time))
return NAN;
ret = fmod(floor(time/MS_PER_HOUR), 24);
if(ret<0) ret += 24;
return ret;
}
/* ECMA-262 3rd Edition 15.9.1.10 */
static inline DOUBLE min_from_time(DOUBLE time)
{
DOUBLE ret;
if(isnan(time))
return NAN;
ret = fmod(floor(time/MS_PER_MINUTE), 60);
if(ret<0) ret += 60;
return ret;
}
/* ECMA-262 3rd Edition 15.9.1.10 */
static inline DOUBLE sec_from_time(DOUBLE time)
{
DOUBLE ret;
if(isnan(time))
return NAN;
ret = fmod(floor(time/1000), 60);
if(ret<0) ret += 60;
return ret;
}
/* ECMA-262 3rd Edition 15.9.1.10 */
static inline DOUBLE ms_from_time(DOUBLE time)
{
DOUBLE ret;
if(isnan(time))
return NAN;
ret = fmod(time, 1000);
if(ret<0) ret += 1000;
return ret;
}
/* ECMA-262 3rd Edition 15.9.1.11 */
static inline DOUBLE make_time(DOUBLE hour, DOUBLE min, DOUBLE sec, DOUBLE ms)
{
return hour*MS_PER_HOUR + min*MS_PER_MINUTE + sec*1000 + ms;
}
/* ECMA-262 3rd Edition 15.9.1.12 */
static inline DOUBLE make_day(DOUBLE year, DOUBLE month, DOUBLE day)
{
DOUBLE time;
year += floor(month/12);
month = fmod(month, 12);
if(month<0) month += 12;
time = time_from_year(year);
day += floor(time / MS_PER_DAY);
day += day_from_month(month, in_leap_year(time));
return day-1;
}
/* ECMA-262 3rd Edition 15.9.1.13 */
static inline DOUBLE make_date(DOUBLE day, DOUBLE time)
{
return day*MS_PER_DAY + time;
}
/* ECMA-262 3rd Edition 15.9.1.14 */
static inline DOUBLE time_clip(DOUBLE time)
{
if(8.64e15 < time || time < -8.64e15) {
return NAN;
}
return floor(time);
}
static double date_now(void)
{
FILETIME ftime;
GetSystemTimeAsFileTime(&ftime);
return file_time_to_date_time(&ftime);
}
static SYSTEMTIME create_systemtime(DOUBLE time)
{
SYSTEMTIME st;
st.wYear = year_from_time(time);
st.wMonth = month_from_time(time) + 1;
st.wDayOfWeek = week_day(time);
st.wDay = date_from_time(time);
st.wHour = hour_from_time(time);
st.wMinute = min_from_time(time);
st.wSecond = sec_from_time(time);
st.wMilliseconds = ms_from_time(time);
return st;
}
static inline HRESULT date_to_string(DOUBLE time, BOOL show_offset, int offset, jsval_t *r)
{
static const DWORD week_ids[] = { LOCALE_SABBREVDAYNAME7, LOCALE_SABBREVDAYNAME1,
LOCALE_SABBREVDAYNAME2, LOCALE_SABBREVDAYNAME3, LOCALE_SABBREVDAYNAME4,
LOCALE_SABBREVDAYNAME5, LOCALE_SABBREVDAYNAME6 };
static const DWORD month_ids[] = { LOCALE_SABBREVMONTHNAME1, LOCALE_SABBREVMONTHNAME2,
LOCALE_SABBREVMONTHNAME3, LOCALE_SABBREVMONTHNAME4,
LOCALE_SABBREVMONTHNAME5, LOCALE_SABBREVMONTHNAME6,
LOCALE_SABBREVMONTHNAME7, LOCALE_SABBREVMONTHNAME8,
LOCALE_SABBREVMONTHNAME9, LOCALE_SABBREVMONTHNAME10,
LOCALE_SABBREVMONTHNAME11, LOCALE_SABBREVMONTHNAME12 };
const WCHAR *formatEra = L"";
WCHAR week[64], month[64];
WCHAR buf[192];
jsstr_t *date_jsstr;
int year, day;
DWORD lcid_en;
WCHAR sign = '-';
if(isnan(time)) {
if(r)
*r = jsval_string(jsstr_nan());
return S_OK;
}
if(r) {
lcid_en = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);
week[0] = 0;
GetLocaleInfoW(lcid_en, week_ids[(int)week_day(time)], week, ARRAY_SIZE(week));
month[0] = 0;
GetLocaleInfoW(lcid_en, month_ids[(int)month_from_time(time)], month, ARRAY_SIZE(month));
year = year_from_time(time);
if(year<0) {
formatEra = L" B.C.";
year = -year+1;
}
day = date_from_time(time);
if(offset < 0) {
sign = '+';
offset = -offset;
}
if(!show_offset)
swprintf(buf, ARRAY_SIZE(buf), L"%s %s %d %02d:%02d:%02d %d%s", week, month, day,
(int)hour_from_time(time), (int)min_from_time(time),
(int)sec_from_time(time), year, formatEra);
else if(offset)
swprintf(buf, ARRAY_SIZE(buf), L"%s %s %d %02d:%02d:%02d UTC%c%02d%02d %d%s", week, month, day,
(int)hour_from_time(time), (int)min_from_time(time),
(int)sec_from_time(time), sign, offset/60, offset%60,
year, formatEra);
else
swprintf(buf, ARRAY_SIZE(buf), L"%s %s %d %02d:%02d:%02d UTC %d%s", week, month, day,
(int)hour_from_time(time), (int)min_from_time(time),
(int)sec_from_time(time), year, formatEra);
date_jsstr = jsstr_alloc(buf);
if(!date_jsstr)
return E_OUTOFMEMORY;
*r = jsval_string(date_jsstr);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.1.2 */
static HRESULT dateobj_to_string(DateInstance *date, jsval_t *r)
{
DOUBLE time;
int offset;
time = local_time(date->time, date);
offset = date->bias +
daylight_saving_ta(time, date);
return date_to_string(time, TRUE, offset, r);
}
static HRESULT Date_toString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
return dateobj_to_string(date, r);
}
/* ECMA-262 3rd Edition 15.9.1.5 */
static HRESULT Date_toLocaleString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
SYSTEMTIME st;
DateInstance *date;
jsstr_t *date_str;
int date_len, time_len;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(isnan(date->time)) {
if(r)
*r = jsval_string(jsstr_nan());
return S_OK;
}
st = create_systemtime(local_time(date->time, date));
if(st.wYear<1601 || st.wYear>9999)
return dateobj_to_string(date, r);
if(r) {
WCHAR *ptr;
date_len = GetDateFormatW(ctx->lcid, DATE_LONGDATE, &st, NULL, NULL, 0);
time_len = GetTimeFormatW(ctx->lcid, 0, &st, NULL, NULL, 0);
date_str = jsstr_alloc_buf(date_len+time_len-1, &ptr);
if(!date_str)
return E_OUTOFMEMORY;
GetDateFormatW(ctx->lcid, DATE_LONGDATE, &st, NULL, ptr, date_len);
GetTimeFormatW(ctx->lcid, 0, &st, NULL, ptr+date_len, time_len);
ptr[date_len-1] = ' ';
*r = jsval_string(date_str);
}
return S_OK;
}
static HRESULT Date_toISOString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
WCHAR buf[64], *p = buf;
double year;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
year = year_from_time(date->time);
if(isnan(year) || year > 999999 || year < -999999) {
FIXME("year %lf should throw an exception\n", year);
return E_FAIL;
}
if(year < 0) {
*p++ = '-';
p += swprintf(p, ARRAY_SIZE(buf) - 1, L"%06d", -(int)year);
}else if(year > 9999) {
*p++ = '+';
p += swprintf(p, ARRAY_SIZE(buf) - 1, L"%06d", (int)year);
}else {
p += swprintf(p, ARRAY_SIZE(buf), L"%04d", (int)year);
}
swprintf(p, ARRAY_SIZE(buf) - (p - buf), L"-%02d-%02dT%02d:%02d:%02d.%03dZ",
(int)month_from_time(date->time) + 1, (int)date_from_time(date->time),
(int)hour_from_time(date->time), (int)min_from_time(date->time),
(int)sec_from_time(date->time), (int)ms_from_time(date->time));
if(r) {
jsstr_t *ret;
if(!(ret = jsstr_alloc(buf)))
return E_OUTOFMEMORY;
*r = jsval_string(ret);
}
return S_OK;
}
static HRESULT Date_valueOf(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(date->time);
return S_OK;
}
static inline HRESULT create_utc_string(script_ctx_t *ctx, jsval_t vthis, jsval_t *r)
{
static const DWORD week_ids[] = { LOCALE_SABBREVDAYNAME7, LOCALE_SABBREVDAYNAME1,
LOCALE_SABBREVDAYNAME2, LOCALE_SABBREVDAYNAME3, LOCALE_SABBREVDAYNAME4,
LOCALE_SABBREVDAYNAME5, LOCALE_SABBREVDAYNAME6 };
static const DWORD month_ids[] = { LOCALE_SABBREVMONTHNAME1, LOCALE_SABBREVMONTHNAME2,
LOCALE_SABBREVMONTHNAME3, LOCALE_SABBREVMONTHNAME4,
LOCALE_SABBREVMONTHNAME5, LOCALE_SABBREVMONTHNAME6,
LOCALE_SABBREVMONTHNAME7, LOCALE_SABBREVMONTHNAME8,
LOCALE_SABBREVMONTHNAME9, LOCALE_SABBREVMONTHNAME10,
LOCALE_SABBREVMONTHNAME11, LOCALE_SABBREVMONTHNAME12 };
const WCHAR *formatEra = L"";
WCHAR week[64], month[64];
WCHAR buf[192];
DateInstance *date;
jsstr_t *date_str;
int year, day;
DWORD lcid_en;
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(isnan(date->time)) {
if(r)
*r = jsval_string(jsstr_nan());
return S_OK;
}
if(r) {
lcid_en = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);
week[0] = 0;
GetLocaleInfoW(lcid_en, week_ids[(int)week_day(date->time)], week, ARRAY_SIZE(week));
month[0] = 0;
GetLocaleInfoW(lcid_en, month_ids[(int)month_from_time(date->time)], month, ARRAY_SIZE(month));
year = year_from_time(date->time);
if(year<0) {
formatEra = L" B.C.";
year = -year+1;
}
day = date_from_time(date->time);
swprintf(buf, ARRAY_SIZE(buf),
L"%s, %d %s %d%s %02d:%02d:%02d UTC", week, day, month, year, formatEra,
(int)hour_from_time(date->time), (int)min_from_time(date->time),
(int)sec_from_time(date->time));
date_str = jsstr_alloc(buf);
if(!date_str)
return E_OUTOFMEMORY;
*r = jsval_string(date_str);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.42 */
static HRESULT Date_toUTCString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("\n");
return create_utc_string(ctx, vthis, r);
}
static HRESULT Date_toGMTString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("\n");
return create_utc_string(ctx, vthis, r);
}
/* ECMA-262 3rd Edition 15.9.5.3 */
static HRESULT dateobj_to_date_string(DateInstance *date, jsval_t *r)
{
static const DWORD week_ids[] = { LOCALE_SABBREVDAYNAME7, LOCALE_SABBREVDAYNAME1,
LOCALE_SABBREVDAYNAME2, LOCALE_SABBREVDAYNAME3, LOCALE_SABBREVDAYNAME4,
LOCALE_SABBREVDAYNAME5, LOCALE_SABBREVDAYNAME6 };
static const DWORD month_ids[] = { LOCALE_SABBREVMONTHNAME1, LOCALE_SABBREVMONTHNAME2,
LOCALE_SABBREVMONTHNAME3, LOCALE_SABBREVMONTHNAME4,
LOCALE_SABBREVMONTHNAME5, LOCALE_SABBREVMONTHNAME6,
LOCALE_SABBREVMONTHNAME7, LOCALE_SABBREVMONTHNAME8,
LOCALE_SABBREVMONTHNAME9, LOCALE_SABBREVMONTHNAME10,
LOCALE_SABBREVMONTHNAME11, LOCALE_SABBREVMONTHNAME12 };
const WCHAR *formatEra = L"";
WCHAR week[64], month[64];
WCHAR buf[192];
jsstr_t *date_str;
DOUBLE time;
int year, day;
DWORD lcid_en;
if(isnan(date->time)) {
if(r)
*r = jsval_string(jsstr_nan());
return S_OK;
}
time = local_time(date->time, date);
if(r) {
lcid_en = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);
week[0] = 0;
GetLocaleInfoW(lcid_en, week_ids[(int)week_day(time)], week, ARRAY_SIZE(week));
month[0] = 0;
GetLocaleInfoW(lcid_en, month_ids[(int)month_from_time(time)], month, ARRAY_SIZE(month));
year = year_from_time(time);
if(year<0) {
formatEra = L" B.C.";
year = -year+1;
}
day = date_from_time(time);
swprintf(buf, ARRAY_SIZE(buf), L"%s %s %d %d%s", week, month, day, year, formatEra);
date_str = jsstr_alloc(buf);
if(!date_str)
return E_OUTOFMEMORY;
*r = jsval_string(date_str);
}
return S_OK;
}
static HRESULT Date_toDateString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
return dateobj_to_date_string(date, r);
}
/* ECMA-262 3rd Edition 15.9.5.4 */
static HRESULT Date_toTimeString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
jsstr_t *date_str;
WCHAR buf[32];
DOUBLE time;
WCHAR sign;
int offset;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(isnan(date->time)) {
if(r)
*r = jsval_string(jsstr_nan());
return S_OK;
}
time = local_time(date->time, date);
if(r) {
offset = date->bias +
daylight_saving_ta(time, date);
if(offset < 0) {
sign = '+';
offset = -offset;
}
else sign = '-';
if(offset)
swprintf(buf, ARRAY_SIZE(buf), L"%02d:%02d:%02d UTC%c%02d%02d", (int)hour_from_time(time),
(int)min_from_time(time), (int)sec_from_time(time),
sign, offset/60, offset%60);
else
swprintf(buf, ARRAY_SIZE(buf), L"%02d:%02d:%02d UTC", (int)hour_from_time(time),
(int)min_from_time(time), (int)sec_from_time(time));
date_str = jsstr_alloc(buf);
if(!date_str)
return E_OUTOFMEMORY;
*r = jsval_string(date_str);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.6 */
static HRESULT Date_toLocaleDateString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
SYSTEMTIME st;
DateInstance *date;
jsstr_t *date_str;
int len;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(isnan(date->time)) {
if(r)
*r = jsval_string(jsstr_nan());
return S_OK;
}
st = create_systemtime(local_time(date->time, date));
if(st.wYear<1601 || st.wYear>9999)
return dateobj_to_date_string(date, r);
if(r) {
WCHAR *ptr;
len = GetDateFormatW(ctx->lcid, DATE_LONGDATE, &st, NULL, NULL, 0);
date_str = jsstr_alloc_buf(len-1, &ptr);
if(!date_str)
return E_OUTOFMEMORY;
GetDateFormatW(ctx->lcid, DATE_LONGDATE, &st, NULL, ptr, len);
*r = jsval_string(date_str);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.7 */
static HRESULT Date_toLocaleTimeString(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
SYSTEMTIME st;
DateInstance *date;
jsstr_t *date_str;
int len;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(isnan(date->time)) {
if(r)
*r = jsval_string(jsstr_nan());
return S_OK;
}
st = create_systemtime(local_time(date->time, date));
if(st.wYear<1601 || st.wYear>9999)
return Date_toTimeString(ctx, vthis, flags, argc, argv, r);
if(r) {
WCHAR *ptr;
len = GetTimeFormatW(ctx->lcid, 0, &st, NULL, NULL, 0);
date_str = jsstr_alloc_buf(len-1, &ptr);
if(!date_str)
return E_OUTOFMEMORY;
GetTimeFormatW(ctx->lcid, 0, &st, NULL, ptr, len);
*r = jsval_string(date_str);
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.9 */
static HRESULT Date_getTime(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.10 */
static HRESULT Date_getFullYear(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r) {
DOUBLE time = local_time(date->time, date);
*r = jsval_number(year_from_time(time));
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.11 */
static HRESULT Date_getUTCFullYear(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(year_from_time(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.12 */
static HRESULT Date_getMonth(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(month_from_time(local_time(date->time, date)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.13 */
static HRESULT Date_getUTCMonth(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(month_from_time(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.14 */
static HRESULT Date_getDate(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(date_from_time(local_time(date->time, date)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.15 */
static HRESULT Date_getUTCDate(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(date_from_time(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.16 */
static HRESULT Date_getDay(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(week_day(local_time(date->time, date)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.17 */
static HRESULT Date_getUTCDay(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(week_day(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.18 */
static HRESULT Date_getHours(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(hour_from_time(local_time(date->time, date)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.19 */
static HRESULT Date_getUTCHours(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(hour_from_time(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.20 */
static HRESULT Date_getMinutes(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(min_from_time(local_time(date->time, date)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.21 */
static HRESULT Date_getUTCMinutes(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(min_from_time(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.22 */
static HRESULT Date_getSeconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(sec_from_time(local_time(date->time, date)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.23 */
static HRESULT Date_getUTCSeconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(sec_from_time(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.24 */
static HRESULT Date_getMilliseconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(ms_from_time(local_time(date->time, date)));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.25 */
static HRESULT Date_getUTCMilliseconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(ms_from_time(date->time));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.26 */
static HRESULT Date_getTimezoneOffset(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(r)
*r = jsval_number(floor((date->time-local_time(date->time, date))/MS_PER_MINUTE));
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.27 */
static HRESULT Date_setTime(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
double n;
HRESULT hres;
DateInstance *date;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
hres = to_number(ctx, argv[0], &n);
if(FAILED(hres))
return hres;
date->time = time_clip(n);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.28 */
static HRESULT Date_setMilliseconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double n, t;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
hres = to_number(ctx, argv[0], &n);
if(FAILED(hres))
return hres;
t = local_time(date->time, date);
t = make_date(day(t), make_time(hour_from_time(t), min_from_time(t),
sec_from_time(t), n));
date->time = time_clip(utc(t, date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.29 */
static HRESULT Date_setUTCMilliseconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double n, t;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
hres = to_number(ctx, argv[0], &n);
if(FAILED(hres))
return hres;
t = date->time;
t = make_date(day(t), make_time(hour_from_time(t), min_from_time(t),
sec_from_time(t), n));
date->time = time_clip(t);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.30 */
static HRESULT Date_setSeconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, sec, ms;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = local_time(date->time, date);
hres = to_number(ctx, argv[0], &sec);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &ms);
if(FAILED(hres))
return hres;
}else {
ms = ms_from_time(t);
}
t = make_date(day(t), make_time(hour_from_time(t),
min_from_time(t), sec, ms));
date->time = time_clip(utc(t, date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.31 */
static HRESULT Date_setUTCSeconds(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, sec, ms;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = date->time;
hres = to_number(ctx, argv[0], &sec);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &ms);
if(FAILED(hres))
return hres;
}else {
ms = ms_from_time(t);
}
t = make_date(day(t), make_time(hour_from_time(t),
min_from_time(t), sec, ms));
date->time = time_clip(t);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.33 */
static HRESULT Date_setMinutes(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, min, sec, ms;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = local_time(date->time, date);
hres = to_number(ctx, argv[0], &min);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &sec);
if(FAILED(hres))
return hres;
}else {
sec = sec_from_time(t);
}
if(argc > 2) {
hres = to_number(ctx, argv[2], &ms);
if(FAILED(hres))
return hres;
}else {
ms = ms_from_time(t);
}
t = make_date(day(t), make_time(hour_from_time(t),
min, sec, ms));
date->time = time_clip(utc(t, date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.34 */
static HRESULT Date_setUTCMinutes(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, min, sec, ms;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = date->time;
hres = to_number(ctx, argv[0], &min);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &sec);
if(FAILED(hres))
return hres;
}else {
sec = sec_from_time(t);
}
if(argc > 2) {
hres = to_number(ctx, argv[2], &ms);
if(FAILED(hres))
return hres;
}else {
ms = ms_from_time(t);
}
t = make_date(day(t), make_time(hour_from_time(t),
min, sec, ms));
date->time = time_clip(t);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.35 */
static HRESULT Date_setHours(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, hour, min, sec, ms;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = local_time(date->time, date);
hres = to_number(ctx, argv[0], &hour);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &min);
if(FAILED(hres))
return hres;
}else {
min = min_from_time(t);
}
if(argc > 2) {
hres = to_number(ctx, argv[2], &sec);
if(FAILED(hres))
return hres;
}else {
sec = sec_from_time(t);
}
if(argc > 3) {
hres = to_number(ctx, argv[3], &ms);
if(FAILED(hres))
return hres;
}else {
ms = ms_from_time(t);
}
t = make_date(day(t), make_time(hour, min, sec, ms));
date->time = time_clip(utc(t, date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.36 */
static HRESULT Date_setUTCHours(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, hour, min, sec, ms;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = date->time;
hres = to_number(ctx, argv[0], &hour);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &min);
if(FAILED(hres))
return hres;
}else {
min = min_from_time(t);
}
if(argc > 2) {
hres = to_number(ctx, argv[2], &sec);
if(FAILED(hres))
return hres;
}else {
sec = sec_from_time(t);
}
if(argc > 3) {
hres = to_number(ctx, argv[3], &ms);
if(FAILED(hres))
return hres;
}else {
ms = ms_from_time(t);
}
t = make_date(day(t), make_time(hour, min, sec, ms));
date->time = time_clip(t);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.36 */
static HRESULT Date_setDate(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, n;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
hres = to_number(ctx, argv[0], &n);
if(FAILED(hres))
return hres;
t = local_time(date->time, date);
t = make_date(make_day(year_from_time(t), month_from_time(t), n), time_within_day(t));
date->time = time_clip(utc(t, date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.37 */
static HRESULT Date_setUTCDate(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, n;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
hres = to_number(ctx, argv[0], &n);
if(FAILED(hres))
return hres;
t = date->time;
t = make_date(make_day(year_from_time(t), month_from_time(t), n), time_within_day(t));
date->time = time_clip(t);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.38 */
static HRESULT Date_setMonth(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
DOUBLE t, month, ddate;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = local_time(date->time, date);
hres = to_number(ctx, argv[0], &month);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &ddate);
if(FAILED(hres))
return hres;
}else {
ddate = date_from_time(t);
}
t = make_date(make_day(year_from_time(t), month, ddate),
time_within_day(t));
date->time = time_clip(utc(t, date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.39 */
static HRESULT Date_setUTCMonth(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, month, ddate;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = date->time;
hres = to_number(ctx, argv[0], &month);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &ddate);
if(FAILED(hres))
return hres;
}else {
ddate = date_from_time(t);
}
t = make_date(make_day(year_from_time(t), month, ddate),
time_within_day(t));
date->time = time_clip(t);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.40 */
static HRESULT Date_setFullYear(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, year, month, ddate;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = local_time(date->time, date);
hres = to_number(ctx, argv[0], &year);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &month);
if(FAILED(hres))
return hres;
}else {
month = month_from_time(t);
}
if(argc > 2) {
hres = to_number(ctx, argv[2], &ddate);
if(FAILED(hres))
return hres;
}else {
ddate = date_from_time(t);
}
t = make_date(make_day(year, month, ddate), time_within_day(t));
date->time = time_clip(utc(t, date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition 15.9.5.41 */
static HRESULT Date_setUTCFullYear(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
double t, year, month, ddate;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = date->time;
hres = to_number(ctx, argv[0], &year);
if(FAILED(hres))
return hres;
if(argc > 1) {
hres = to_number(ctx, argv[1], &month);
if(FAILED(hres))
return hres;
}else {
month = month_from_time(t);
}
if(argc > 2) {
hres = to_number(ctx, argv[2], &ddate);
if(FAILED(hres))
return hres;
}else {
ddate = date_from_time(t);
}
t = make_date(make_day(year, month, ddate), time_within_day(t));
date->time = time_clip(t);
if(r)
*r = jsval_number(date->time);
return S_OK;
}
/* ECMA-262 3rd Edition B2.4 */
static HRESULT Date_getYear(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
DOUBLE t, year;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
t = local_time(date->time, date);
if(isnan(t)) {
if(r)
*r = jsval_number(NAN);
return S_OK;
}
year = year_from_time(t);
if(r)
*r = jsval_number((1900<=year && year<2000)?year-1900:year);
return S_OK;
}
/* ECMA-262 3rd Edition B2.5 */
static HRESULT Date_setYear(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
DOUBLE t, year;
HRESULT hres;
TRACE("\n");
if(!(date = date_this(vthis)))
return JS_E_DATE_EXPECTED;
if(!argc)
return JS_E_MISSING_ARG;
t = local_time(date->time, date);
hres = to_number(ctx, argv[0], &year);
if(FAILED(hres))
return hres;
if(isnan(year)) {
date->time = year;
if(r)
*r = jsval_number(NAN);
return S_OK;
}
year = year >= 0.0 ? floor(year) : -floor(-year);
if(-1.0 < year && year < 100.0)
year += 1900.0;
date->time = time_clip(utc(make_date(make_day(year, month_from_time(t), date_from_time(t)), time_within_day(t)), date));
if(r)
*r = jsval_number(date->time);
return S_OK;
}
static const builtin_prop_t Date_props[] = {
{L"getDate", Date_getDate, PROPF_METHOD},
{L"getDay", Date_getDay, PROPF_METHOD},
{L"getFullYear", Date_getFullYear, PROPF_METHOD},
{L"getHours", Date_getHours, PROPF_METHOD},
{L"getMilliseconds", Date_getMilliseconds, PROPF_METHOD},
{L"getMinutes", Date_getMinutes, PROPF_METHOD},
{L"getMonth", Date_getMonth, PROPF_METHOD},
{L"getSeconds", Date_getSeconds, PROPF_METHOD},
{L"getTime", Date_getTime, PROPF_METHOD},
{L"getTimezoneOffset", Date_getTimezoneOffset, PROPF_METHOD},
{L"getUTCDate", Date_getUTCDate, PROPF_METHOD},
{L"getUTCDay", Date_getUTCDay, PROPF_METHOD},
{L"getUTCFullYear", Date_getUTCFullYear, PROPF_METHOD},
{L"getUTCHours", Date_getUTCHours, PROPF_METHOD},
{L"getUTCMilliseconds", Date_getUTCMilliseconds, PROPF_METHOD},
{L"getUTCMinutes", Date_getUTCMinutes, PROPF_METHOD},
{L"getUTCMonth", Date_getUTCMonth, PROPF_METHOD},
{L"getUTCSeconds", Date_getUTCSeconds, PROPF_METHOD},
{L"getYear", Date_getYear, PROPF_METHOD},
{L"setDate", Date_setDate, PROPF_METHOD|1},
{L"setFullYear", Date_setFullYear, PROPF_METHOD|3},
{L"setHours", Date_setHours, PROPF_METHOD|4},
{L"setMilliseconds", Date_setMilliseconds, PROPF_METHOD|1},
{L"setMinutes", Date_setMinutes, PROPF_METHOD|3},
{L"setMonth", Date_setMonth, PROPF_METHOD|2},
{L"setSeconds", Date_setSeconds, PROPF_METHOD|2},
{L"setTime", Date_setTime, PROPF_METHOD|1},
{L"setUTCDate", Date_setUTCDate, PROPF_METHOD|1},
{L"setUTCFullYear", Date_setUTCFullYear, PROPF_METHOD|3},
{L"setUTCHours", Date_setUTCHours, PROPF_METHOD|4},
{L"setUTCMilliseconds", Date_setUTCMilliseconds, PROPF_METHOD|1},
{L"setUTCMinutes", Date_setUTCMinutes, PROPF_METHOD|3},
{L"setUTCMonth", Date_setUTCMonth, PROPF_METHOD|2},
{L"setUTCSeconds", Date_setUTCSeconds, PROPF_METHOD|2},
{L"setYear", Date_setYear, PROPF_METHOD|1},
{L"toDateString", Date_toDateString, PROPF_METHOD},
{L"toGMTString", Date_toGMTString, PROPF_METHOD},
{L"toISOString", Date_toISOString, PROPF_METHOD|PROPF_ES5},
{L"toLocaleDateString", Date_toLocaleDateString, PROPF_METHOD},
{L"toLocaleString", Date_toLocaleString, PROPF_METHOD},
{L"toLocaleTimeString", Date_toLocaleTimeString, PROPF_METHOD},
{L"toString", Date_toString, PROPF_METHOD},
{L"toTimeString", Date_toTimeString, PROPF_METHOD},
{L"toUTCString", Date_toUTCString, PROPF_METHOD},
{L"valueOf", Date_valueOf, PROPF_METHOD},
};
static const builtin_info_t Date_info = {
JSCLASS_DATE,
NULL,
ARRAY_SIZE(Date_props),
Date_props,
NULL,
NULL
};
static const builtin_info_t DateInst_info = {
JSCLASS_DATE,
NULL,
0, NULL,
NULL,
NULL
};
static HRESULT create_date(script_ctx_t *ctx, jsdisp_t *object_prototype, DOUBLE time, DateInstance **ret)
{
DateInstance *date;
HRESULT hres;
TIME_ZONE_INFORMATION tzi;
GetTimeZoneInformation(&tzi);
date = calloc(1, sizeof(DateInstance));
if(!date)
return E_OUTOFMEMORY;
if(object_prototype)
hres = init_dispex(&date->dispex, ctx, &Date_info, object_prototype);
else
hres = init_dispex_from_constr(&date->dispex, ctx, &DateInst_info, ctx->date_constr);
if(FAILED(hres)) {
free(date);
return hres;
}
date->time = time;
date->bias = tzi.Bias;
date->standardDate = tzi.StandardDate;
date->standardBias = tzi.StandardBias;
date->daylightDate = tzi.DaylightDate;
date->daylightBias = tzi.DaylightBias;
*ret = date;
return S_OK;
}
static inline HRESULT date_parse(jsstr_t *input_str, double *ret) {
static const DWORD string_ids[] = { LOCALE_SMONTHNAME12, LOCALE_SMONTHNAME11,
LOCALE_SMONTHNAME10, LOCALE_SMONTHNAME9, LOCALE_SMONTHNAME8,
LOCALE_SMONTHNAME7, LOCALE_SMONTHNAME6, LOCALE_SMONTHNAME5,
LOCALE_SMONTHNAME4, LOCALE_SMONTHNAME3, LOCALE_SMONTHNAME2,
LOCALE_SMONTHNAME1, LOCALE_SDAYNAME7, LOCALE_SDAYNAME1,
LOCALE_SDAYNAME2, LOCALE_SDAYNAME3, LOCALE_SDAYNAME4,
LOCALE_SDAYNAME5, LOCALE_SDAYNAME6 };
WCHAR *strings[ARRAY_SIZE(string_ids)];
WCHAR *parse;
int input_len, parse_len = 0, nest_level = 0, i, size;
int year = 0, month = 0, day = 0, hour = 0, min = 0, sec = 0;
int ms = 0, offset = 0, hour_adjust = 0;
BOOL set_year = FALSE, set_month = FALSE, set_day = FALSE, set_hour = FALSE;
BOOL set_offset = FALSE, set_era = FALSE, ad = TRUE, set_am = FALSE, am = TRUE;
BOOL set_hour_adjust = TRUE;
TIME_ZONE_INFORMATION tzi;
const WCHAR *input;
DateInstance di;
DWORD lcid_en;
input_len = jsstr_length(input_str);
input = jsstr_flatten(input_str);
if(!input)
return E_OUTOFMEMORY;
for(i=0; i<input_len; i++) {
if(input[i] == '(') nest_level++;
else if(input[i] == ')') {
nest_level--;
if(nest_level<0) {
*ret = NAN;
return S_OK;
}
}
else if(!nest_level) parse_len++;
}
parse = malloc((parse_len+1)*sizeof(WCHAR));
if(!parse)
return E_OUTOFMEMORY;
nest_level = 0;
parse_len = 0;
for(i=0; i<input_len; i++) {
if(input[i] == '(') nest_level++;
else if(input[i] == ')') nest_level--;
else if(!nest_level) parse[parse_len++] = towupper(input[i]);
}
parse[parse_len] = 0;
GetTimeZoneInformation(&tzi);
di.bias = tzi.Bias;
di.standardDate = tzi.StandardDate;
di.standardBias = tzi.StandardBias;
di.daylightDate = tzi.DaylightDate;
di.daylightBias = tzi.DaylightBias;
/* FIXME: Cache strings */
lcid_en = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);
for(i=0; i<ARRAY_SIZE(string_ids); i++) {
size = GetLocaleInfoW(lcid_en, string_ids[i], NULL, 0);
strings[i] = malloc((size+1)*sizeof(WCHAR));
if(!strings[i]) {
i--;
while(i-- >= 0)
free(strings[i]);
free(parse);
return E_OUTOFMEMORY;
}
GetLocaleInfoW(lcid_en, string_ids[i], strings[i], size);
}
for(i=0; i<parse_len;) {
while(iswspace(parse[i])) i++;
if(parse[i] == ',') {
while(parse[i] == ',') i++;
continue;
}
if(parse[i]>='0' && parse[i]<='9') {
int tmp = wcstol(&parse[i], NULL, 10);
while(parse[i]>='0' && parse[i]<='9') i++;
while(iswspace(parse[i])) i++;
if(parse[i] == ':') {
/* Time */
if(set_hour) break;
set_hour = TRUE;
hour = tmp;
while(parse[i] == ':') i++;
while(iswspace(parse[i])) i++;
if(parse[i]>='0' && parse[i]<='9') {
min = wcstol(&parse[i], NULL, 10);
while(parse[i]>='0' && parse[i]<='9') i++;
}
while(iswspace(parse[i])) i++;
while(parse[i] == ':') i++;
while(iswspace(parse[i])) i++;
if(parse[i]>='0' && parse[i]<='9') {
sec = wcstol(&parse[i], NULL, 10);
while(parse[i]>='0' && parse[i]<='9') i++;
}
}
else if(parse[i]=='-' || parse[i]=='/') {
/* Short or long date */
if(set_day || set_month || set_year) break;
set_day = TRUE;
set_month = TRUE;
set_year = TRUE;
month = tmp-1;
while(iswspace(parse[i])) i++;
while(parse[i]=='-' || parse[i]=='/') i++;
while(iswspace(parse[i])) i++;
if(parse[i]<'0' || parse[i]>'9') break;
day = wcstol(&parse[i], NULL, 10);
while(parse[i]>='0' && parse[i]<='9') i++;
while(parse[i]=='-' || parse[i]=='/') i++;
while(iswspace(parse[i])) i++;
if(parse[i]<'0' || parse[i]>'9') break;
year = wcstol(&parse[i], NULL, 10);
while(parse[i]>='0' && parse[i]<='9') i++;
if(tmp >= 70){
/* long date */
month = day - 1;
day = year;
year = tmp;
}
}
else if(tmp<0) break;
else if(tmp<70) {
/* Day */
if(set_day) break;
set_day = TRUE;
day = tmp;
}
else {
/* Year */
if(set_year) break;
set_year = TRUE;
year = tmp;
}
}
else if(parse[i]=='+' || parse[i]=='-') {
/* Timezone offset */
BOOL positive = TRUE;
if(set_offset && set_hour_adjust) break;
set_offset = TRUE;
set_hour_adjust = FALSE;
if(parse[i] == '-') positive = FALSE;
i++;
while(iswspace(parse[i])) i++;
if(parse[i]<'0' || parse[i]>'9') break;
offset = wcstol(&parse[i], NULL, 10);
while(parse[i]>='0' && parse[i]<='9') i++;
if(offset<24) offset *= 60;
else offset = (offset/100)*60 + offset%100;
if(positive) offset = -offset;
}
else {
if(parse[i]<'A' || parse[i]>'Z') break;
else if(parse[i]=='B' && (parse[i+1]=='C' ||
(parse[i+1]=='.' && parse[i+2]=='C'))) {
/* AD/BC */
if(set_era) break;
set_era = TRUE;
ad = FALSE;
i++;
if(parse[i] == '.') i++;
i++;
if(parse[i] == '.') i++;
}
else if(parse[i]=='A' && (parse[i+1]=='D' ||
(parse[i+1]=='.' && parse[i+2]=='D'))) {
/* AD/BC */
if(set_era) break;
set_era = TRUE;
i++;
if(parse[i] == '.') i++;
i++;
if(parse[i] == '.') i++;
}
else if(parse[i+1]<'A' || parse[i+1]>'Z') {
/* Timezone */
if(set_offset) break;
set_offset = TRUE;
if(parse[i] <= 'I') hour_adjust = parse[i]-'A'+2;
else if(parse[i] == 'J') break;
else if(parse[i] <= 'M') hour_adjust = parse[i]-'K'+11;
else if(parse[i] <= 'Y') hour_adjust = parse[i]-'N';
else hour_adjust = 1;
i++;
if(parse[i] == '.') i++;
}
else if(parse[i]=='A' && parse[i+1]=='M') {
/* AM/PM */
if(set_am) break;
set_am = TRUE;
am = TRUE;
i += 2;
}
else if(parse[i]=='P' && parse[i+1]=='M') {
/* AM/PM */
if(set_am) break;
set_am = TRUE;
am = FALSE;
i += 2;
}
else if((parse[i]=='U' && parse[i+1]=='T' && parse[i+2]=='C')
|| (parse[i]=='G' && parse[i+1]=='M' && parse[i+2]=='T')) {
/* Timezone */
if(set_offset) break;
set_offset = TRUE;
set_hour_adjust = FALSE;
i += 3;
}
else {
/* Month or garbage */
unsigned int j;
for(size=i; parse[size]>='A' && parse[size]<='Z'; size++);
size -= i;
for(j=0; j<ARRAY_SIZE(string_ids); j++)
if(!wcsnicmp(&parse[i], strings[j], size)) break;
if(j < 12) {
if(set_month) break;
set_month = TRUE;
month = 11-j;
}
else if(j == ARRAY_SIZE(string_ids)) break;
i += size;
}
}
}
if(i == parse_len && set_year && set_month && set_day && (!set_am || hour<13)) {
if(set_am) {
if(hour == 12) hour = 0;
if(!am) hour += 12;
}
if(!ad) year = -year+1;
else if(year<100) year += 1900;
*ret = time_clip(make_date(make_day(year, month, day),
make_time(hour+hour_adjust, min, sec, ms)) + offset*MS_PER_MINUTE);
if(set_hour_adjust)
*ret = utc(*ret, &di);
}else {
*ret = NAN;
}
for(i=0; i<ARRAY_SIZE(string_ids); i++)
free(strings[i]);
free(parse);
return S_OK;
}
static HRESULT DateConstr_parse(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsstr_t *parse_str;
double n;
HRESULT hres;
TRACE("\n");
if(!argc) {
if(r)
*r = jsval_number(NAN);
return S_OK;
}
hres = to_string(ctx, argv[0], &parse_str);
if(FAILED(hres))
return hres;
hres = date_parse(parse_str, &n);
jsstr_release(parse_str);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_number(n);
return S_OK;
}
static HRESULT date_utc(script_ctx_t *ctx, unsigned argc, jsval_t *argv, double *ret)
{
double year, month, vdate, hours, minutes, seconds, ms;
HRESULT hres;
TRACE("\n");
if(argc) {
hres = to_number(ctx, argv[0], &year);
if(FAILED(hres))
return hres;
if(0 <= year && year <= 99)
year += 1900;
}else {
year = 1900;
}
if(argc>1) {
hres = to_number(ctx, argv[1], &month);
if(FAILED(hres))
return hres;
}else {
month = 0;
}
if(argc>2) {
hres = to_number(ctx, argv[2], &vdate);
if(FAILED(hres))
return hres;
}else {
vdate = 1;
}
if(argc>3) {
hres = to_number(ctx, argv[3], &hours);
if(FAILED(hres))
return hres;
}else {
hours = 0;
}
if(argc>4) {
hres = to_number(ctx, argv[4], &minutes);
if(FAILED(hres))
return hres;
}else {
minutes = 0;
}
if(argc>5) {
hres = to_number(ctx, argv[5], &seconds);
if(FAILED(hres))
return hres;
}else {
seconds = 0;
}
if(argc>6) {
hres = to_number(ctx, argv[6], &ms);
if(FAILED(hres))
return hres;
} else {
ms = 0;
}
*ret = time_clip(make_date(make_day(year, month, vdate),
make_time(hours, minutes,seconds, ms)));
return S_OK;
}
static HRESULT DateConstr_UTC(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
double n;
HRESULT hres;
TRACE("\n");
hres = date_utc(ctx, argc, argv, &n);
if(SUCCEEDED(hres) && r)
*r = jsval_number(n);
return hres;
}
/* ECMA-262 5.1 Edition 15.9.4.4 */
static HRESULT DateConstr_now(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
TRACE("\n");
if(r) *r = jsval_number(date_now());
return S_OK;
}
static HRESULT DateConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
DateInstance *date;
HRESULT hres;
TRACE("\n");
switch(flags) {
case DISPATCH_CONSTRUCT:
switch(argc) {
/* ECMA-262 3rd Edition 15.9.3.3 */
case 0:
hres = create_date(ctx, NULL, date_now(), &date);
if(FAILED(hres))
return hres;
break;
/* ECMA-262 3rd Edition 15.9.3.2 */
case 1: {
jsval_t prim;
double n;
hres = to_primitive(ctx, argv[0], &prim, NO_HINT);
if(FAILED(hres))
return hres;
if(is_string(prim))
hres = date_parse(get_string(prim), &n);
else
hres = to_number(ctx, prim, &n);
jsval_release(prim);
if(FAILED(hres))
return hres;
hres = create_date(ctx, NULL, time_clip(n), &date);
if(FAILED(hres))
return hres;
break;
}
/* ECMA-262 3rd Edition 15.9.3.1 */
default: {
double ret_date;
hres = date_utc(ctx, argc, argv, &ret_date);
if(FAILED(hres))
return hres;
hres = create_date(ctx, NULL, ret_date, &date);
if(FAILED(hres))
return hres;
date->time = utc(date->time, date);
}
}
if(r) *r = jsval_obj(&date->dispex);
else jsdisp_release(&date->dispex);
return S_OK;
case INVOKE_FUNC: {
FILETIME system_time, local_time;
GetSystemTimeAsFileTime(&system_time);
FileTimeToLocalFileTime(&system_time, &local_time);
return date_to_string(file_time_to_date_time(&local_time), FALSE, 0, r);
}
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static const builtin_prop_t DateConstr_props[] = {
{L"UTC", DateConstr_UTC, PROPF_METHOD},
{L"now", DateConstr_now, PROPF_HTML|PROPF_METHOD},
{L"parse", DateConstr_parse, PROPF_METHOD}
};
static const builtin_info_t DateConstr_info = {
JSCLASS_FUNCTION,
Function_value,
ARRAY_SIZE(DateConstr_props),
DateConstr_props,
NULL,
NULL
};
HRESULT create_date_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
{
DateInstance *date;
HRESULT hres;
hres = create_date(ctx, object_prototype, 0.0, &date);
if(FAILED(hres))
return hres;
hres = create_builtin_constructor(ctx, DateConstr_value, L"Date", &DateConstr_info,
PROPF_CONSTR|7, &date->dispex, ret);
jsdisp_release(&date->dispex);
return hres;
}
HRESULT variant_date_to_number(double date, double *ret)
{
SYSTEMTIME st;
UDATE udate;
HRESULT hres;
hres = VarUdateFromDate(date, 0, &udate);
if(FAILED(hres))
return hres;
if(!TzSpecificLocalTimeToSystemTime(NULL, &udate.st, &st))
return E_FAIL;
TRACE("%uy %um %u %ud %uh %um %u.%us\n", st.wYear, st.wMonth, st.wDayOfWeek, st.wDay, st.wHour, st.wMinute,
st.wSecond, st.wMilliseconds);
*ret = make_date(make_day(st.wYear, st.wMonth - 1, st.wDay),
make_time(st.wHour, st.wMinute, st.wSecond, st.wMilliseconds));
return S_OK;
}
HRESULT variant_date_to_string(script_ctx_t *ctx, double date, jsstr_t **r)
{
DateInstance *date_obj;
jsval_t val;
double time;
HRESULT hres;
hres = variant_date_to_number(date, &time);
if(FAILED(hres))
return hres;
hres = create_date(ctx, NULL, time, &date_obj);
if(FAILED(hres))
return hres;
hres = dateobj_to_string(date_obj, &val);
jsdisp_release(&date_obj->dispex);
if(FAILED(hres))
return hres;
assert(is_string(val));
*r = get_string(val);
return hres;
}
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