| /* |
| * 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 "wtf/WTFExport.h" |
| #include "wtf/text/WTFString.h" |
| #include <stdint.h> |
| #include <string.h> |
| |
| namespace WTF { |
| |
| WTF_EXPORT void initializeDates(); |
| |
| // Not really math related, but this is currently the only shared place to put |
| // these. |
| WTF_EXPORT double parseDateFromNullTerminatedCharacters(const char* dateString); |
| // dayOfWeek: [0, 6] 0 being Monday |
| // day: [1, 31] |
| // month: [0, 11] |
| // year: ex: 2011 |
| // hours: [0, 23] |
| // minutes: [0, 59] |
| // seconds: [0, 59] |
| // utcOffset: [-720,720]. |
| WTF_EXPORT String makeRFC2822DateString(unsigned dayOfWeek, |
| unsigned day, |
| unsigned month, |
| unsigned year, |
| unsigned hours, |
| unsigned minutes, |
| unsigned seconds, |
| int utcOffset); |
| |
| const char weekdayName[7][4] = {"Mon", "Tue", "Wed", "Thu", |
| "Fri", "Sat", "Sun"}; |
| const char monthName[12][4] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", |
| "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; |
| const char* const monthFullName[12] = { |
| "January", "February", "March", "April", "May", "June", |
| "July", "August", "September", "October", "November", "December"}; |
| |
| const double minutesPerHour = 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; |
| |
| WTF_EXPORT bool isLeapYear(int year); |
| |
| // Returns the number of days from 1970-01-01 to the specified date. |
| WTF_EXPORT double dateToDaysFrom1970(int year, int month, int day); |
| WTF_EXPORT int msToYear(double ms); |
| WTF_EXPORT int dayInYear(int year, int month, int day); |
| WTF_EXPORT int dayInYear(double ms, int year); |
| WTF_EXPORT int monthFromDayInYear(int dayInYear, bool leapYear); |
| WTF_EXPORT int dayInMonthFromDayInYear(int dayInYear, bool leapYear); |
| |
| // Returns milliseconds with UTC and DST. |
| WTF_EXPORT double convertToLocalTime(double ms); |
| |
| } // namespace WTF |
| |
| using WTF::isLeapYear; |
| using WTF::dateToDaysFrom1970; |
| using WTF::dayInMonthFromDayInYear; |
| using WTF::dayInYear; |
| using WTF::minutesPerHour; |
| using WTF::monthFromDayInYear; |
| using WTF::msPerDay; |
| using WTF::msPerHour; |
| using WTF::msPerMinute; |
| using WTF::msPerSecond; |
| using WTF::msToYear; |
| using WTF::secondsPerMinute; |
| using WTF::parseDateFromNullTerminatedCharacters; |
| using WTF::makeRFC2822DateString; |
| using WTF::convertToLocalTime; |
| |
| #endif // DateMath_h |