X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/1df5f87f1309a8daa30dabdee855f48ae40d14ab..6fe7ccc865dc7d7541b93c5bcaf6368d2c98a174:/wtf/DateMath.h?ds=inline diff --git a/wtf/DateMath.h b/wtf/DateMath.h deleted file mode 100644 index 2ac284e..0000000 --- a/wtf/DateMath.h +++ /dev/null @@ -1,233 +0,0 @@ -/* - * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) - * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. - * Copyright (C) 2009 Google Inc. All rights reserved. - * Copyright (C) 2010 Research In Motion Limited. All rights reserved. - * - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Mozilla Communicator client code, released - * March 31, 1998. - * - * The Initial Developer of the Original Code is - * Netscape Communications Corporation. - * Portions created by the Initial Developer are Copyright (C) 1998 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the terms of - * either of the GNU General Public License Version 2 or later (the "GPL"), - * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - */ - -#ifndef DateMath_h -#define DateMath_h - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -namespace WTF { -void initializeDates(); -int equivalentYearForDST(int year); - -// Not really math related, but this is currently the only shared place to put these. -double parseES5DateFromNullTerminatedCharacters(const char* dateString); -double parseDateFromNullTerminatedCharacters(const char* dateString); -double timeClip(double); - -inline double jsCurrentTime() -{ - // JavaScript doesn't recognize fractions of a millisecond. - return floor(WTF::currentTimeMS()); -} - -const char * const weekdayName[7] = { "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun" }; -const char * const monthName[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; - -const double hoursPerDay = 24.0; -const double minutesPerHour = 60.0; -const double secondsPerHour = 60.0 * 60.0; -const double secondsPerMinute = 60.0; -const double msPerSecond = 1000.0; -const double msPerMinute = 60.0 * 1000.0; -const double msPerHour = 60.0 * 60.0 * 1000.0; -const double msPerDay = 24.0 * 60.0 * 60.0 * 1000.0; -const double msPerMonth = 2592000000.0; - -// Returns the number of days from 1970-01-01 to the specified date. -double dateToDaysFrom1970(int year, int month, int day); -int msToYear(double ms); -int dayInYear(double ms, int year); -int monthFromDayInYear(int dayInYear, bool leapYear); -int dayInMonthFromDayInYear(int dayInYear, bool leapYear); - -// Returns offset milliseconds for UTC and DST. -int32_t calculateUTCOffset(); -double calculateDSTOffset(double ms, double utcOffset); - -} // namespace WTF - -using WTF::adoptArrayPtr; -using WTF::dateToDaysFrom1970; -using WTF::dayInMonthFromDayInYear; -using WTF::dayInYear; -using WTF::minutesPerHour; -using WTF::monthFromDayInYear; -using WTF::msPerDay; -using WTF::msPerMinute; -using WTF::msPerSecond; -using WTF::msToYear; -using WTF::secondsPerMinute; -using WTF::parseDateFromNullTerminatedCharacters; -using WTF::calculateUTCOffset; -using WTF::calculateDSTOffset; - -#if USE(JSC) -namespace JSC { -class ExecState; -struct GregorianDateTime; - -void msToGregorianDateTime(ExecState*, double, bool outputIsUTC, GregorianDateTime&); -double gregorianDateTimeToMS(ExecState*, const GregorianDateTime&, double, bool inputIsUTC); -double getUTCOffset(ExecState*); -double parseDateFromNullTerminatedCharacters(ExecState*, const char* dateString); - -// Intentionally overridding the default tm of the system. -// The members of tm differ on various operating systems. -struct GregorianDateTime { - WTF_MAKE_NONCOPYABLE(GregorianDateTime); -public: - GregorianDateTime() - : second(0) - , minute(0) - , hour(0) - , weekDay(0) - , monthDay(0) - , yearDay(0) - , month(0) - , year(0) - , isDST(0) - , utcOffset(0) - { - } - - GregorianDateTime(ExecState* exec, const tm& inTm) - : second(inTm.tm_sec) - , minute(inTm.tm_min) - , hour(inTm.tm_hour) - , weekDay(inTm.tm_wday) - , monthDay(inTm.tm_mday) - , yearDay(inTm.tm_yday) - , month(inTm.tm_mon) - , year(inTm.tm_year) - , isDST(inTm.tm_isdst) - { - UNUSED_PARAM(exec); -#if HAVE(TM_GMTOFF) - utcOffset = static_cast(inTm.tm_gmtoff); -#else - utcOffset = static_cast(getUTCOffset(exec) / WTF::msPerSecond + (isDST ? WTF::secondsPerHour : 0)); -#endif - -#if HAVE(TM_ZONE) - int inZoneSize = strlen(inTm.tm_zone) + 1; - timeZone = adoptArrayPtr(new char[inZoneSize]); - strncpy(timeZone.get(), inTm.tm_zone, inZoneSize); -#else - timeZone = nullptr; -#endif - } - - operator tm() const - { - tm ret; - memset(&ret, 0, sizeof(ret)); - - ret.tm_sec = second; - ret.tm_min = minute; - ret.tm_hour = hour; - ret.tm_wday = weekDay; - ret.tm_mday = monthDay; - ret.tm_yday = yearDay; - ret.tm_mon = month; - ret.tm_year = year; - ret.tm_isdst = isDST; - -#if HAVE(TM_GMTOFF) - ret.tm_gmtoff = static_cast(utcOffset); -#endif -#if HAVE(TM_ZONE) - ret.tm_zone = timeZone.get(); -#endif - - return ret; - } - - void copyFrom(const GregorianDateTime& rhs) - { - second = rhs.second; - minute = rhs.minute; - hour = rhs.hour; - weekDay = rhs.weekDay; - monthDay = rhs.monthDay; - yearDay = rhs.yearDay; - month = rhs.month; - year = rhs.year; - isDST = rhs.isDST; - utcOffset = rhs.utcOffset; - if (rhs.timeZone) { - int inZoneSize = strlen(rhs.timeZone.get()) + 1; - timeZone = adoptArrayPtr(new char[inZoneSize]); - strncpy(timeZone.get(), rhs.timeZone.get(), inZoneSize); - } else - timeZone = nullptr; - } - - int second; - int minute; - int hour; - int weekDay; - int monthDay; - int yearDay; - int month; - int year; - int isDST; - int utcOffset; - OwnArrayPtr timeZone; -}; - -static inline int gmtoffset(const GregorianDateTime& t) -{ - return t.utcOffset; -} -} // namespace JSC -#endif // USE(JSC) - -#endif // DateMath_h