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TinyJS_DateFunctions.cpp
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/*
* 42TinyJS
*
* A fork of TinyJS with the goal to makes a more JavaScript/ECMA compliant engine
*
* Authored By Armin Diedering <[email protected]>
*
* Copyright (C) 2010-2015 ardisoft
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <cstdlib>
#include <sstream>
#include <cstdio>
#include <iomanip>
#include <ctime>
#include "TinyJS.h"
#ifdef _WIN32
# include <windows.h>
#elif defined(HAVE_GETTIMEOFDAY)
# include <sys/time.h>
#endif
using namespace std;
#ifndef _MSC_VER
#define localtime_s(tm, time) localtime_r(time, tm)
#define gmtime_s(tm, time) gmtime_r(time, tm)
#define asctime_s(buf, bufsize, tm) asctime_r(tm, buf)
#define _get_timezone(pTimezone) do{*pTimezone=timezone;}while(0)
#define sprintf_s sprintf
#endif
//////////////////////////////////////////////////////////////////////////
/// CScriptTime
//////////////////////////////////////////////////////////////////////////
class CScriptTime {
public:
CScriptTime(bool isLocalTime=true);
CScriptTime(int64_t Time, bool isLocalTime=true);
static int64_t UTC(int32_t Year, int32_t Month, int32_t Day=1, int32_t Hour=0, int32_t Min=0, int32_t Sec=0, int32_t MSec=0);
static int64_t now();
static bool ParseISODate(const char *s, int64_t *result);
static bool ParseDate(const char *s, int64_t *result);
static bool Parse(const string &DateString, int64_t *result) { return ParseDate(DateString.c_str(), result); }
bool isValid() { return tm_isvalid; }
void setInvalide() { setTime(0); tm_isvalid= false; }
int64_t setTime(int32_t Year, int32_t Month, int32_t Day=1, int32_t Hour=0, int32_t Min=0, int32_t Sec=0, int32_t MSec=0);
int64_t setTime(int64_t Time);
int64_t getTime() const { return tm_time; }
operator int64_t() const { return getTime(); }
int64_t setDate(int32_t Date) { tm_mday = Date; return fix(); }
int32_t getDate() const { return tm_mday; }
int64_t setUTCDate(int32_t Date) { return setTime(CScriptTime(*this, false).setDate(Date)); }
int32_t getUTCDate() const { return CScriptTime(*this, false).tm_mday; }
int32_t getDay() const { return tm_wday; }
int32_t getUTCDay() const { return CScriptTime(*this, false).tm_wday; }
int64_t setYear(int32_t Year);
int32_t getYear() const { return tm_year - 1900; }
int64_t setFullYear(int32_t Year);
int64_t setFullYear(int32_t Year, int32_t Month);
int64_t setFullYear(int32_t Year, int32_t Month, int32_t Day);
int32_t getFullYear() const { return tm_year; }
int64_t setUTCFullYear(int32_t Year) { return setTime(CScriptTime(*this, false).setFullYear(Year)); }
int64_t setUTCFullYear(int32_t Year, int32_t Month) { return setTime(CScriptTime(*this, false).setFullYear(Year, Month)); }
int64_t setUTCFullYear(int32_t Year, int32_t Month, int32_t Day) { return setTime(CScriptTime(*this, false).setFullYear(Year, Month, Day)); }
int32_t getUTCFullYear() const { return CScriptTime(*this, false).tm_year; }
int64_t setHours(int32_t Hour) { tm_hour = Hour; return fix(); }
int32_t getHours() const { return tm_hour; }
int64_t setUTCHours(int32_t Hour) { return setTime(CScriptTime(*this, false).setHours(Hour)); }
int32_t getUTCHours() const { return CScriptTime(*this, false).tm_hour; }
int64_t setMilliseconds(int32_t Msec) { tm_msec = Msec; return fix(); }
int32_t getMilliseconds() const { return tm_msec; }
int64_t setUTCMilliseconds(int32_t Msec) { return setTime(CScriptTime(*this, false).setMilliseconds(Msec)); }
int32_t getUTCMilliseconds() const { return CScriptTime(*this, false).tm_msec; }
int64_t setMinutes(int32_t Min) { tm_min = Min; return fix(); }
int32_t getMinutes() const { return tm_min; }
int64_t setUTCMinutes(int32_t Min) { return setTime(CScriptTime(*this, false).setMinutes(Min)); }
int32_t getUTCMinutes() const { return CScriptTime(*this, false).tm_min; }
int64_t setMonth(int32_t Month) { tm_mon = Month; return fix(); }
int32_t getMonth() const { return tm_mon; }
int64_t setUTCMonth(int32_t Month) { return setTime(CScriptTime(*this, false).setMonth(Month)); }
int32_t getUTCMonth() const { return CScriptTime(*this, false).tm_mon; }
int64_t setSeconds(int32_t Sec) { tm_sec = Sec; return fix(); }
int32_t getSeconds() const { return tm_sec; }
int64_t setUTCSeconds(int32_t Sec) { return setTime(CScriptTime(*this, false).setSeconds(Sec)); }
int32_t getUTCSeconds() const { return CScriptTime(*this, false).tm_sec; }
int32_t getTimezoneOffset() { return tm_offset/60; }
string toDateString() const;
string toTimeString() const;
string castToString() const;
operator string() const { return castToString(); }
string toUTCString() const { return CScriptTime(*this, false).castToString(); } // corresponds toGMTString()
string toISOString() const; // corresponds toJSON()
static int32_t leapsThruEndOf(int32_t y) { return (y+4)/4 - y/100 + y/400; }
static int32_t isLeapYear(int32_t y) { return (!(y % 4) && (y % 100)) || !(y % 400); }
static const int32_t monthLengths[2][12];
static const int32_t firstDayOfMonth[2][13];
private:
bool tm_islocal;
bool tm_isvalid;
int32_t tm_offset; /* offset to UTC time */
int32_t tm_msec;
int32_t tm_sec; /* seconds after the minute - [0,59] */
int32_t tm_min; /* minutes after the hour - [0,59] */
int32_t tm_hour; /* hours since midnight - [0,23] */
int32_t tm_mday; /* day of the month - [1,31] */
int32_t tm_mon; /* months since January - [0,11] */
int32_t tm_year; /* years since 0000 */
int32_t tm_wday; /* days since Sunday - [0,6] */
int32_t tm_yday; /* days since January 1 - [0,365] */
// int32_t tm_isdst; /* daylight savings time flag */
int64_t tm_time;
int64_t fix();
};
const int32_t CScriptTime::monthLengths[2][12] = {
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
};
const int32_t CScriptTime::firstDayOfMonth[2][13] = {
{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
{0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366}
};
CScriptTime::CScriptTime(bool isLocalTime/*=true*/) : tm_islocal(isLocalTime), tm_isvalid(true) {
setTime(0);
}
CScriptTime::CScriptTime(int64_t Time, bool isLocalTime/*=true*/) : tm_islocal(isLocalTime), tm_isvalid(true) {
setTime(Time);
}
int64_t CScriptTime::setTime(int64_t Time) {
long tz, prevent_endless_loop=0;
_get_timezone(&tz);
tm_time = Time-tz*1000;
recalc:
tm_time += 62167219200000;
tm_mon = tm_year = tm_wday = tm_yday = 0;
tm_mday = (int32_t)(tm_time/(24*60*60*1000));
tm_time -= ((int64_t)tm_mday++)*24*60*60*1000;
tm_hour = (int32_t)(tm_time/(60*60*1000));
tm_time -= tm_hour*60*60*1000;
tm_min = (int32_t)(tm_time/60000);
tm_time -= tm_min*60000;
tm_sec = (int32_t)(tm_time/1000);
tm_time -= tm_sec*1000;
tm_msec = (int32_t)tm_time;
fix();
if(tm_time != Time && prevent_endless_loop++ == 0) {
tm_time = Time + (Time-tm_time) - tz*1000;
goto recalc;
}
return tm_time;
}
int64_t CScriptTime::setTime( int32_t Year, int32_t Month, int32_t Day, int32_t Hour, int32_t Min, int32_t Sec, int32_t MSec ) {
if(0 <= Year && Year<=99) Year += 1900;
tm_msec = MSec;
tm_sec = Sec;
tm_min = Min;
tm_hour = Hour;
tm_mday = Day;
tm_mon = Month;
tm_year = Year;
return fix();
}
int64_t CScriptTime::UTC(int32_t Year, int32_t Month, int32_t Day/*=1*/, int32_t Hour/*=0*/, int32_t Min/*=0*/, int32_t Sec/*=0*/, int32_t MSec/*=0*/) {
return CScriptTime(false).setTime(Year, Month, Day, Hour, Min, Sec, MSec);
}
int64_t CScriptTime::now() {
#ifdef _WIN32
FILETIME ft;
int64_t tmpres = 0;
memset(&ft, 0, sizeof(ft));
GetSystemTimeAsFileTime(&ft);
tmpres = ft.dwHighDateTime;
tmpres <<= 32;
tmpres |= ft.dwLowDateTime;
/*converting file time to unix epoch*/
tmpres /= 10000; /*convert into milliseconds*/
return tmpres - 11644473600000LL;
#else /*_WIN32*/
# ifdef HAVE_GETTIMEOFDAY
timeval tv;
gettimeofday(&tv, NULL); // if gettimeofday not available unset HAVE_GETTIMEOFDAY in config.h
return int64_t(tv.tv_sec)*1000 + tv.tv_usec/1000;
# else /*HAVE_GETTIMEOFDAY*/
time_t t;
return 1000LL * time(&t);
# endif /*HAVE_GETTIMEOFDAY*/
#endif /*_WIN32*/
}
bool CScriptTime::ParseISODate(const char *s, int64_t *result) {
char *end;
int32_t yearMul = 1, tzMul = 1;
int32_t year=1970, month=1, day=1, hour=0, min=0, sec=0, msec=0;
int32_t tzHour=0, tzMin=0;
bool isLocalTime = false;
if(*s == '+' || *s == '-') {
if(*s++ == '-') yearMul = -1;
if('0' > *s || *s > '9') return false;
year = strtol(s, &end, 10); if(end-s != 6) return false; else s = end;
} else if(*s != 'T') {
if('0' > *s || *s > '9') return false;
year = strtol(s, &end, 10); if(end-s != 4) return false; else s = end;
}
if(*s == '-') {
++s;
if('0' > *s || *s > '9') return false;
month = strtol(s, &end, 10); if(end-s != 2) return false; else s = end;
if(*s == '-') {
++s;
if('0' > *s || *s > '9') return false;
day = strtol(s, &end, 10); if(end-s != 2) return false; else s = end;
}
}
if(*s && *s++ == 'T') {
if('0' > *s || *s > '9') return false;
hour = strtol(s, &end, 10); if(end-s != 2) return false; else s = end;
if(*s == 0 || *s++ != ':') return false;
if('0' > *s || *s > '9') return false;
min = strtol(s, &end, 10); if(end-s != 2) return false; else s = end;
if(*s == ':') {
++s;
if('0' > *s || *s > '9') return false;
sec = strtol(s, &end, 10); if(end-s != 2) return false; else s = end;
if(*s == '.') {
if('0' > s[1] || s[1] > '9') return false;
msec = int32_t(strtod (s, (char**)&s) * 1000);
}
}
if(*s == 'Z')
++s;
else if(*s == '-' || *s == '+') {
if(*s++ == '-') tzMul = -1;
if('0' > *s || *s > '9') return false;
tzHour = (*s++-'0') * 10;
if('0' > *s || *s > '9') return false;
tzHour += *s++-'0';
if(*s == ':') ++s;
if('0' > *s || *s > '9') return false;
tzMin = (*s++-'0') * 10;
if('0' > *s || *s > '9') return false;
tzMin += *s++-'0';
} else
isLocalTime = true;
}
if(*s || year > 275943 // ceil(1e8/365) + 1970
|| (month == 0 || month > 12)
|| (day == 0 || day > monthLengths[isLeapYear(year)][month])
|| hour > 24 || ((hour == 24) && (min > 0 || sec > 0))
|| min > 59 || sec > 59 || tzHour > 23 || tzMin > 59) return false;
month -= 1; /* convert month to 0-based */
*result = CScriptTime(isLocalTime).setTime(yearMul*year, month, day, hour, min, sec, msec);
if(!isLocalTime)
*result -= tzMul * ((tzHour * 60 + tzMin) * 60 * 1000);
return true;
}
bool CScriptTime::ParseDate(const char *s, int64_t *result)
{
static struct{ const char* key; int32_t value; } keywords[] = {
{ "AM", -1}, { "PM", -2},
{ "MONDAY", 0}, { "TUESDAY", 0}, { "WEDNESAY", 0}, { "THURSDAY", 0}, { "FRIDAY", 0}, { "SATURDAY", 0}, { "SUNDAY", 0},
{ "JANUARY", 1}, { "FEBRUARY", 2}, { "MARCH", 3}, { "APRIL", 4}, { "MAY", 5}, { "JUNE", 6},
{ "JULY", 7}, { "AUGUST", 8}, { "SEPTEMBER", 9}, { "OCTOBER", 10}, { "NOVEMBER", 11}, { "DECEMBER", 12},
{ "GMT", 10000+0}, { "UT", 10000+0}, { "UTC", 10000+0},
{ "CEST", 10000-2*60}, { "CET", 10000-1*60},
{ "EST", 10000+5*60}, { "EDT", 10000+4*60},
{ "CST", 10000+6*60}, { "CDT", 10000+5*60},
{ "MST", 10000+7*60}, { "MDT", 10000+6*60},
{ "PST", 10000+8*60}, { "PDT", 10000+7*60},
{ 0, 0}
};
if (ParseISODate(s, result))
return true;
int32_t year = -1, mon = -1, mday = -1, hour = -1, min = -1, sec = -1, tzOffset = -1;
int32_t prevc = 0;
bool seenPlusMinus = false;
bool seenMonthName = false;
while(*s) {
int c = *s++;
if (c <= ' ' || c == ',' || c == '-') {
if (c == '-' && '0' <= *s && *s <= '9')
prevc = c;
continue;
}
if (c == '(') { /* comments) */
int depth = 1;
while(*s) {
c = *s++;
if (c == '(') {
depth++;
} else if (c == ')') {
if (--depth <= 0)
break;
}
}
continue;
}
if ('0' <= c && c <= '9') {
int n = c - '0';
while (*s && '0' <= (c = *s++) && c <= '9') {
n = n * 10 + c - '0';
}
/*
* Allow TZA before the year, so 'Wed Nov 05 21:49:11 GMT-0800 1997'
* works.
*
* Uses of seenPlusMinus allow ':' in TZA, so Java no-timezone style
* of GMT+4:30 works.
*/
if ((prevc == '+' || prevc == '-')/* && year>=0 */) {
/* Make ':' case below change tzOffset. */
seenPlusMinus = true;
/* offset */
if (n < 24)
n = n * 60; /* EG. "GMT-3" */
else
n = n % 100 + n / 100 * 60; /* eg "GMT-0430" */
if (prevc == '+') /* plus means east of GMT */
n = -n;
if (tzOffset != 0 && tzOffset != -1)
return false;
tzOffset = n;
} else if (prevc == '/' && mon >= 0 && mday >= 0 && year < 0) {
if (c <= ' ' || c == ',' || c == '/' || *s==0)
year = n;
else
return false;
} else if (c == ':') {
if (hour < 0)
hour = /*byte*/ n;
else if (min < 0)
min = /*byte*/ n;
else
return false;
} else if (c == '/') {
/*
* Until it is determined that mon is the actual month, keep
* it as 1-based rather than 0-based.
*/
if (mon < 0)
mon = /*byte*/ n;
else if (mday < 0)
mday = /*byte*/ n;
else
return false;
} else if (*s && c != ',' && c > ' ' && c != '-' && c != '(') {
return false;
} else if (seenPlusMinus && n < 60) { /* handle GMT-3:30 */
if (tzOffset < 0)
tzOffset -= n;
else
tzOffset += n;
} else if (hour >= 0 && min < 0) {
min = /*byte*/ n;
} else if (prevc == ':' && min >= 0 && sec < 0) {
sec = /*byte*/ n;
} else if (mon < 0) {
mon = /*byte*/n;
} else if (mon >= 0 && mday < 0) {
mday = /*byte*/ n;
} else if (mon >= 0 && mday >= 0 && year < 0) {
year = n;
} else {
return false;
}
prevc = 0;
} else if (c == '/' || c == ':' || c == '+' || c == '-') {
prevc = c;
} else {
const char *st = s-1;
int k;
while (*s) {
if (!(('A' <= *s && *s <= 'Z') || ('a' <= *s && *s <= 'z')))
break;
++s;
}
if (s <= st + 1)
return false;
for(k=0; keywords[k].key; ++k) {
const char *cmp_l = st, *cmp_r = keywords[k].key;
while(cmp_l < s && toupper(*cmp_l++) == *cmp_r++);
if(cmp_l == s) {
int32_t action = keywords[k].value;
if (action != 0) {
if (action < 0) {
/*
* AM/PM. Count 12:30 AM as 00:30, 12:30 PM as
* 12:30, instead of blindly adding 12 if PM.
*/
if (hour > 12 || hour < 0)
return false;
if (action == -1 && hour == 12) /* am */
hour = 0;
else if (action == -2 && hour != 12) /* pm */
hour += 12;
} else if (action <= 13) { /* month! */
/*
* Adjust mon to be 1-based until the final values
* for mon, mday and year are adjusted below.
*/
if (seenMonthName)
return false;
seenMonthName = true;
if (mon < 0) {
mon = action;
} else if (mday < 0) {
mday = mon;
mon = action;
} else if (year < 0) {
year = mon;
mon = action;
} else {
return false;
}
} else {
tzOffset = action - 10000;
}
}
break;
}
}
if (keywords[k].key == 0)
return false;
prevc = 0;
}
}
if (year < 0 || mon < 0 || mday < 0)
return false;
/*
* Case 1. The input string contains an English month name.
* The form of the string can be month f l, or f month l, or
* f l month which each evaluate to the same date.
* If f and l are both greater than or equal to 70, or
* both less than 70, the date is invalid.
* The year is taken to be the greater of the values f, l.
* If the year is greater than or equal to 70 and less than 100,
* it is considered to be the number of years after 1900.
* Case 2. The input string is of the form "f/m/l" where f, m and l are
* integers, e.g. 7/16/45.
* Adjust the mon, mday and year values to achieve 100% MSIE
* compatibility.
* a. If 0 <= f < 70, f/m/l is interpreted as month/day/year.
* i. If year < 100, it is the number of years after 1900
* ii. If year >= 100, it is the number of years after 0.
* b. If 70 <= f < 100
* i. If m < 70, f/m/l is interpreted as
* year/month/day where year is the number of years after
* 1900.
* ii. If m >= 70, the date is invalid.
* c. If f >= 100
* i. If m < 70, f/m/l is interpreted as
* year/month/day where year is the number of years after 0.
* ii. If m >= 70, the date is invalid.
*/
if (seenMonthName) {
if ((mday >= 70 && year >= 70) || (mday < 70 && year < 70))
return false;
if (mday > year) {
int temp = year;
year = mday;
mday = temp;
}
if (year >= 70 && year < 100) {
year += 1900;
}
} else if (mon < 70) { /* (a) month/day/year */
if (year < 100) {
year += 1900;
}
} else if (mon < 100) { /* (b) year/month/day */
if (mday < 70) {
int temp = year;
year = mon + 1900;
mon = mday;
mday = temp;
} else {
return false;
}
} else { /* (c) year/month/day */
if (mday < 70) {
int temp = year;
year = mon;
mon = mday;
mday = temp;
} else {
return false;
}
}
mon -= 1; /* convert month to 0-based */
if (sec < 0)
sec = 0;
if (min < 0)
min = 0;
if (hour < 0)
hour = 0;
*result = CScriptTime(tzOffset == -1).setTime(year, mon, mday, hour, min, sec);
if(tzOffset != -1)
*result += tzOffset * 60 * 1000;
// double msec = date_msecFromDate(year, mon, mday, hour, min, sec, 0);
// if (tzOffset == -1) /* no time zone specified, have to use local */
// msec = UTC(msec, dtInfo);
// else
// msec += tzOffset * msPerMinute;
// *result = msec;
return true;
}
static const char *day_names[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
static const char *month_names[] = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
string CScriptTime::toDateString() const {
char buffer[100];
sprintf_s(buffer, "%s %s %02d %04d", day_names[tm_wday], month_names[tm_mon], tm_mday, tm_year);
return buffer;
}
string CScriptTime::toTimeString() const {
char buffer[100];
const char *sign;
long offset;
if(tm_offset < 0) { sign = "+"; offset = -tm_offset/60; }
else { sign = "-"; offset = tm_offset/60; }
offset = (tm_offset/60)*100+tm_offset%60;
sprintf_s(buffer, "%02d:%02d:%02d GMT%s%04ld", tm_hour, tm_min, tm_sec, sign, offset);
return buffer;
}
string CScriptTime::castToString() const {
char buffer[100];
const char *sign;
long offset;
if(tm_offset < 0) { sign = "+"; offset = -tm_offset/60; }
else { sign = "-"; offset = tm_offset/60; }
offset = (offset/60)*100+offset%60;
if(tm_islocal)
sprintf_s(buffer, "%s %s %02d %04d %02d:%02d:%02d GMT%s%04ld", day_names[tm_wday], month_names[tm_mon], tm_mday, tm_year, tm_hour, tm_min, tm_sec, sign, offset);
else
sprintf_s(buffer, "%s, %02d %s %04d %02d:%02d:%02d GMT", day_names[tm_wday], tm_mday, month_names[tm_mon], tm_year, tm_hour, tm_min, tm_sec);
return buffer;
}
string CScriptTime::toISOString() const {
char buffer[100];
CScriptTime utc(*this, false);
sprintf_s(buffer, "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ", utc.tm_year, utc.tm_mon+1, utc.tm_mday, utc.tm_hour, utc.tm_min, utc.tm_sec, utc.tm_msec);
return buffer;
}
int64_t CScriptTime::setYear( int32_t Year ) {
if(0 <= Year && Year<=99) Year += 1900;
tm_year = Year;
return fix();
}
int64_t CScriptTime::setFullYear( int32_t Year ) {
tm_year = Year;
return fix();
}
int64_t CScriptTime::setFullYear( int32_t Year, int32_t Month ) {
tm_mon = Month;
tm_year = Year;
return fix();
}
int64_t CScriptTime::setFullYear( int32_t Year, int32_t Month, int32_t Day ) {
tm_mday = Day;
tm_mon = Month;
tm_year = Year;
return fix();
}
int64_t CScriptTime::fix()
{
int prevent_endless_loop = 0;
recalc:
int64_t time_of_year;
tm_offset = 0;
tm_time = -62167219200000;
if(tm_msec >= 1000) {
tm_sec += tm_msec / 1000;
tm_msec %= 1000;
} else if(tm_msec < 0) {
tm_sec += (tm_msec / 1000) - 1;
tm_msec = (tm_msec % 1000) + 1000;
}
tm_time += tm_msec;
if(tm_sec >= 60) {
tm_min += tm_sec / 60;
tm_sec %= 60;
} else if(tm_sec < 0) {
tm_min += (tm_sec / 60) - 1;
tm_sec = (tm_sec % 60) + 60;
}
tm_time += tm_sec * 1000;
if(tm_min >= 60) {
tm_hour += tm_min / 60;
tm_min %= 60;
} else if(tm_min < 0) {
tm_hour += (tm_min / 60) - 1;
tm_min = (tm_min % 60) + 60;
}
tm_time += tm_min * 60 * 1000;
int days = tm_mday-1;
if(tm_hour >= 24) {
days += tm_hour / 24;
tm_hour %= 24;
} else if(tm_hour < 0) {
days += (tm_hour / 24) - 1;
tm_hour = (tm_hour % 24) + 24;
}
time_of_year = (tm_time += tm_hour * 60 * 60 * 1000) + 62167219200000;
if(tm_mon >= 12) {
tm_year += tm_mon / 12;
tm_mon = tm_mon % 12;
} else if(tm_mon < 0) {
tm_year += (tm_mon / 12) - 1;
tm_mon = (tm_mon % 12) + 12;
}
days += tm_year*365 + leapsThruEndOf(tm_year-1);
// for(int i=0, isLeap=isLeapYear(tm_year) ; i<tm_mon; ++i)
// days += monthLengths[isLeap][i];
days += firstDayOfMonth[isLeapYear(tm_year)][tm_mon];
tm_time += int64_t(days) * 24 * 60 * 60 * 1000;
tm_wday = (days+6) % 7;
tm_year = days / 365;
days %= 365;
days -= leapsThruEndOf(tm_year-1);
while(days < 0) {
tm_year -= 1;
days += 365 + isLeapYear(tm_year);
}
time_of_year += int64_t(tm_yday = days) * 24 * 60 * 60 * 1000;
int month, isLeap;
for (month = 0, isLeap=isLeapYear(tm_year); month < 11; month++) {
int newdays = days - monthLengths[isLeap][month];
if (newdays < 0)
break;
days = newdays;
}
tm_mon = month;
tm_mday = days + 1;
if(tm_islocal) {
time_t time4dst;
if(tm_time < 0.0 || tm_time > 2145916800000) {
static const time_t yearStartingWith[2][7] = {
{252460800 /*1978*/, 94694400 /*1973*/, 126230400 /*1974*/, 157766400 /*1975*/, 347155200 /*1981*/, 31536000 /*1971*/, 220924800 /*1977*/},
{441763200 /*1984*/, 820454400 /*1996*/, 315532800 /*1980*/, 694224000 /*1992*/, 189302400 /*1976*/, 567993600 /*1988*/, 63072000 /*1972*/}
};
int32_t days = tm_year*365 + leapsThruEndOf(tm_year-1);
time4dst = yearStartingWith[isLeapYear(tm_year)][(days+6) % 7] + time_of_year/1000;
} else
time4dst = time_t(tm_time/1000);
long tz; _get_timezone(&tz);
struct tm tm;
tm_offset = tz;
time4dst += tm_offset;
localtime_s(&tm, &time4dst);
if(tm.tm_isdst) {
tm.tm_isdst = 0;
tm_offset += int32_t(time4dst - mktime(&tm));
time4dst += tm_offset - tz;
localtime_s(&tm, &time4dst);
if(!tm.tm_isdst && prevent_endless_loop++ == 0) {
tm_sec -= tm_offset - tz;
goto recalc;
}
}
}
tm_isvalid = true;
return tm_time+=tm_offset*1000;
}
//////////////////////////////////////////////////////////////////////////
/// CScriptVarDate
//////////////////////////////////////////////////////////////////////////
define_ScriptVarPtr_Type(Date);
class CScriptVarDate : public CScriptVarObject, public CScriptTime {
protected:
CScriptVarDate(CTinyJS *Context);
CScriptVarDate(const CScriptVarDate& Copy) MEMBER_DELETE;
public:
virtual ~CScriptVarDate();
virtual bool isDate(); // { return true; }
virtual CScriptVarPrimitivePtr toPrimitive(CScriptResult &execute);
virtual CScriptVarPtr toString_CallBack(CScriptResult &execute, int radix=0);
virtual CScriptVarPtr valueOf_CallBack();
friend inline define_newScriptVar_NamedFnc(Date, CTinyJS *Context);
private:
};
inline define_newScriptVar_NamedFnc(Date, CTinyJS *Context) { return new CScriptVarDate(Context); }
//////////////////////////////////////////////////////////////////////////
// CScriptVarDate
//////////////////////////////////////////////////////////////////////////
CScriptVarDate::CScriptVarDate(CTinyJS *Context) : CScriptVarObject(Context, Context->getRoot()->findChildByPath("Date.prototype")) {
}
CScriptVarDate::~CScriptVarDate() {}
bool CScriptVarDate::isDate() { return true; }
CScriptVarPrimitivePtr CScriptVarDate::toPrimitive(CScriptResult &execute) {
// for the Date Object toPrimitive without hint is hintString instead hintNumber
return toPrimitive_hintString(execute);
}
CScriptVarPtr CScriptVarDate::toString_CallBack( CScriptResult &execute, int radix/*=0*/ ) {
if(isValid()) {
return newScriptVar(castToString());
} else
return newScriptVar("Invalid Date");
}
CScriptVarPtr CScriptVarDate::valueOf_CallBack() {
if(isValid())
return newScriptVar((double)getTime());
else
return constScriptVar(NaN);
}
void test() {
CScriptTime tm;
tm.setTime(1970, 2, 29, 1, 59, 59, 999);
tm.setTime(tm.getTime());
tm.setTime(1970, 2, 29, 2);
tm.setTime(tm.getTime());
tm.setTime(1970, 2, 29, 2, 59, 59);
tm.setTime(tm.getTime());
string s = tm.castToString();
tm.setTime(1970, 3, 29, 3);
tm.setTime(tm.getTime());
tm.setTime(1970, 9, 25, 1, 59, 59, 999);
tm.setTime(tm.getTime());
tm.setTime(1970, 9, 25, 2);
tm.setTime(tm.getTime());
tm.setTime(1970, 9, 25, 2, 59, 59);
tm.setTime(tm.getTime());
tm.setTime(1970, 9, 25, 3);
tm.setTime(tm.getTime());
do{}while(0);
#if 0
time_t end_time;
time(&end_time);
int last_year = -1;
for(time_t t = -60*60*24*365; t<end_time; t+=30) {
struct tm gmt, my;
time_t _t = t+3600;
gmtime_s(&gmt, &_t);
// time2tm(((double)t)*1000+3600000, &my);
my.tm_yday = gmt.tm_yday;
if(memcmp(&gmt, &my, sizeof(gmt)))
do{}while(0);
if(last_year != gmt.tm_year) {
printf("%d\n", gmt.tm_year+1900);
last_year = gmt.tm_year;
}
}
#endif
}
static void scDate(const CFunctionsScopePtr &c, void *data) {
test();
c->setReturnVar(c->newScriptVar(CScriptTime(CScriptTime::now()).castToString()));
}
static void scDate_Constructor(const CFunctionsScopePtr &c, void *data) {
CScriptVarDatePtr returnVar = ::newScriptVarDate(c->getContext());
c->setReturnVar(returnVar);
int ArgumentsLength = c->getArgumentsLength();
if(ArgumentsLength == 1) {
CScriptVarPtr arg0 = c->getArgument(0);
CNumber v = arg0->toNumber().floor();
if(v.isFinite()) {
returnVar->setTime((int64_t)v.toDouble()); // TODO check range
} else {
int64_t result;
if(CScriptVarDate::Parse(arg0->toString(), &result))
returnVar->setTime(result);
else
returnVar->setInvalide();
}
} else if(ArgumentsLength > 1) {
int32_t args[7] = { 1970, 0, 1, 0, 0, 0, 0};
for(int i=0; i<min(ArgumentsLength,7); ++i) {
CNumber v = c->getArgument(i)->toNumber().floor();
if(v.isInt32() || v.isNegativeZero())
args[i] = v.toInt32();
else {
returnVar->setInvalide();
return;
}
}
returnVar->setTime(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
} else
returnVar->setTime(CScriptTime::now());
}
static void scDate_UTC(const CFunctionsScopePtr &c, void *data) {
int ArgumentsLength = c->getArgumentsLength();
int32_t args[7] = { 1900, 0, 1, 0, 0, 0, 0};
for(int i=0; i<min(ArgumentsLength,7); ++i) {
CNumber v = c->getArgument(i)->toNumber().floor();
if(v.isInt32() || v.isNegativeZero())
args[i] = v.toInt32();
else {
c->setReturnVar(c->constScriptVar(NaN));
return;
}
}
c->setReturnVar(c->newScriptVar((double)CScriptTime::UTC(args[0], args[1], args[2], args[3], args[4], args[5], args[6])));
}
static void scDate_now(const CFunctionsScopePtr &c, void *data) {
c->setReturnVar(c->newScriptVar((double)CScriptTime::now()));
}
static void scDate_parse(const CFunctionsScopePtr &c, void *data) {
int64_t result;
if(CScriptTime::Parse(c->getArgument(0)->toString(), &result))
c->setReturnVar(c->newScriptVar((double)result));
else
c->setReturnVar(c->constScriptVar(NaN));
}
static inline void scDateThrowTypeError(const CFunctionsScopePtr &c, const string &Fnc) {
c->throwError(TypeError, Fnc + " method called on incompatible Object");
}
#define DATE_PROTOTYPE_GET(FNC) \
static void scDate_prototype_##FNC(const CFunctionsScopePtr &c, void *data) { \
CScriptVarDatePtr Date(c->getArgument("this")); \
if(!Date) scDateThrowTypeError(c, #FNC); \
if(Date->isValid()) \
c->setReturnVar(c->newScriptVar(Date->FNC())); \
else \
c->setReturnVar(c->constScriptVar(NaN)); \
}
#define DATE_PROTOTYPE_SET(FNC) \
static void scDate_prototype_##FNC(const CFunctionsScopePtr &c, void *data) { \
CScriptVarDatePtr Date(c->getArgument("this")); \
if(!Date) scDateThrowTypeError(c, #FNC); \
CNumber v = c->getArgument(0)->toNumber().floor(); \
if(v.isInt32() || v.isNegativeZero()) { \
double value = (double)Date->FNC(v.toInt32()); \
if(Date->isValid()) { \
c->setReturnVar(c->newScriptVar(value)); \
return; \
} \
} \
Date->setInvalide(); \
c->setReturnVar(c->constScriptVar(NaN)); \
}
DATE_PROTOTYPE_SET(setDate)
DATE_PROTOTYPE_GET(getDate)
DATE_PROTOTYPE_SET(setUTCDate)
DATE_PROTOTYPE_GET(getUTCDate)
DATE_PROTOTYPE_GET(getDay)
DATE_PROTOTYPE_GET(getUTCDay)
static void scDate_prototype_setFullYear(const CFunctionsScopePtr &c, void *data) {
CScriptVarDatePtr Date(c->getArgument("this"));
if(!Date) scDateThrowTypeError(c, "setFullYear");
int ArgumentsLength = c->getArgumentsLength();
int32_t args[3] = { 0, Date->getMonth(), Date->getDate() };
double value;
for(int i=0; i<max(min(ArgumentsLength,3),1); ++i) {
CNumber v = c->getArgument(i)->toNumber().floor();
if(v.isInt32() || v.isNegativeZero())
args[i] = v.toInt32();
else
goto invalid;
}
value = (double)Date->setFullYear(args[0], args[1], args[2]);
if(Date->isValid()) {
c->setReturnVar(c->newScriptVar(value));
return;
}
invalid:
Date->setInvalide();
c->setReturnVar(c->constScriptVar(NaN));
}
DATE_PROTOTYPE_GET(getFullYear)
static void scDate_prototype_setUTCFullYear(const CFunctionsScopePtr &c, void *data) {
CScriptVarDatePtr Date(c->getArgument("this"));
if(!Date) scDateThrowTypeError(c, "setUTCFullYear");
int ArgumentsLength = c->getArgumentsLength();
int32_t args[3] = { 0, Date->getUTCMonth(), Date->getUTCDate() };
double value;
for(int i=0; i<max(min(ArgumentsLength,3),1); ++i) {
CNumber v = c->getArgument(i)->toNumber().floor();
if(v.isInt32() || v.isNegativeZero())
args[i] = v.toInt32();
else
goto invalid;
}
value = (double)Date->setUTCFullYear(args[0], args[1], args[2]);
if(Date->isValid()) {
c->setReturnVar(c->newScriptVar(value));
return;
}
invalid:
Date->setInvalide();
c->setReturnVar(c->constScriptVar(NaN));
}
DATE_PROTOTYPE_GET(getUTCFullYear)
DATE_PROTOTYPE_SET(setYear)
DATE_PROTOTYPE_GET(getYear)
DATE_PROTOTYPE_SET(setHours)
DATE_PROTOTYPE_GET(getHours)
DATE_PROTOTYPE_SET(setUTCHours)
DATE_PROTOTYPE_GET(getUTCHours)
DATE_PROTOTYPE_SET(setMilliseconds)