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1 /* | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) | 2 // Use of this source code is governed by a BSD-style license that can be |
3 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. | 3 // found in the LICENSE file. |
4 * Copyright (C) 2009 Google Inc. All rights reserved. | |
5 * Copyright (C) 2010 Research In Motion Limited. All rights reserved. | |
6 * | |
7 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 | |
8 * | |
9 * The contents of this file are subject to the Mozilla Public License Version | |
10 * 1.1 (the "License"); you may not use this file except in compliance with | |
11 * the License. You may obtain a copy of the License at | |
12 * http://www.mozilla.org/MPL/ | |
13 * | |
14 * Software distributed under the License is distributed on an "AS IS" basis, | |
15 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License | |
16 * for the specific language governing rights and limitations under the | |
17 * License. | |
18 * | |
19 * The Original Code is Mozilla Communicator client code, released | |
20 * March 31, 1998. | |
21 * | |
22 * The Initial Developer of the Original Code is | |
23 * Netscape Communications Corporation. | |
24 * Portions created by the Initial Developer are Copyright (C) 1998 | |
25 * the Initial Developer. All Rights Reserved. | |
26 * | |
27 * Contributor(s): | |
28 * | |
29 * Alternatively, the contents of this file may be used under the terms of | |
30 * either of the GNU General Public License Version 2 or later (the "GPL"), | |
31 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), | |
32 * in which case the provisions of the GPL or the LGPL are applicable instead | |
33 * of those above. If you wish to allow use of your version of this file only | |
34 * under the terms of either the GPL or the LGPL, and not to allow others to | |
35 * use your version of this file under the terms of the MPL, indicate your | |
36 * decision by deleting the provisions above and replace them with the notice | |
37 * and other provisions required by the GPL or the LGPL. If you do not delete | |
38 * the provisions above, a recipient may use your version of this file under | |
39 * the terms of any one of the MPL, the GPL or the LGPL. | |
40 * | |
41 */ | |
42 | 4 |
43 #ifndef DateMath_h | 5 #include "platform/wtf/DateMath.h" |
44 #define DateMath_h | |
45 | 6 |
46 #include "wtf/WTFExport.h" | 7 // The contents of this header was moved to platform/wtf as part of |
47 #include "wtf/text/WTFString.h" | 8 // WTF migration project. See the following post for details: |
48 #include <stdint.h> | 9 // https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gY
CAAJ |
49 #include <string.h> | |
50 | |
51 namespace WTF { | |
52 | |
53 WTF_EXPORT void initializeDates(); | |
54 | |
55 // Not really math related, but this is currently the only shared place to put | |
56 // these. | |
57 WTF_EXPORT double parseDateFromNullTerminatedCharacters(const char* dateString); | |
58 // dayOfWeek: [0, 6] 0 being Monday | |
59 // day: [1, 31] | |
60 // month: [0, 11] | |
61 // year: ex: 2011 | |
62 // hours: [0, 23] | |
63 // minutes: [0, 59] | |
64 // seconds: [0, 59] | |
65 // utcOffset: [-720,720]. | |
66 WTF_EXPORT String makeRFC2822DateString(unsigned dayOfWeek, | |
67 unsigned day, | |
68 unsigned month, | |
69 unsigned year, | |
70 unsigned hours, | |
71 unsigned minutes, | |
72 unsigned seconds, | |
73 int utcOffset); | |
74 | |
75 const char weekdayName[7][4] = {"Mon", "Tue", "Wed", "Thu", | |
76 "Fri", "Sat", "Sun"}; | |
77 const char monthName[12][4] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
78 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
79 const char* const monthFullName[12] = { | |
80 "January", "February", "March", "April", "May", "June", | |
81 "July", "August", "September", "October", "November", "December"}; | |
82 | |
83 const double minutesPerHour = 60.0; | |
84 const double secondsPerMinute = 60.0; | |
85 const double msPerSecond = 1000.0; | |
86 const double msPerMinute = 60.0 * 1000.0; | |
87 const double msPerHour = 60.0 * 60.0 * 1000.0; | |
88 const double msPerDay = 24.0 * 60.0 * 60.0 * 1000.0; | |
89 | |
90 WTF_EXPORT bool isLeapYear(int year); | |
91 | |
92 // Returns the number of days from 1970-01-01 to the specified date. | |
93 WTF_EXPORT double dateToDaysFrom1970(int year, int month, int day); | |
94 WTF_EXPORT int msToYear(double ms); | |
95 WTF_EXPORT int dayInYear(int year, int month, int day); | |
96 WTF_EXPORT int dayInYear(double ms, int year); | |
97 WTF_EXPORT int monthFromDayInYear(int dayInYear, bool leapYear); | |
98 WTF_EXPORT int dayInMonthFromDayInYear(int dayInYear, bool leapYear); | |
99 | |
100 // Returns milliseconds with UTC and DST. | |
101 WTF_EXPORT double convertToLocalTime(double ms); | |
102 | |
103 } // namespace WTF | |
104 | |
105 using WTF::isLeapYear; | |
106 using WTF::dateToDaysFrom1970; | |
107 using WTF::dayInMonthFromDayInYear; | |
108 using WTF::dayInYear; | |
109 using WTF::minutesPerHour; | |
110 using WTF::monthFromDayInYear; | |
111 using WTF::msPerDay; | |
112 using WTF::msPerHour; | |
113 using WTF::msPerMinute; | |
114 using WTF::msPerSecond; | |
115 using WTF::msToYear; | |
116 using WTF::secondsPerMinute; | |
117 using WTF::parseDateFromNullTerminatedCharacters; | |
118 using WTF::makeRFC2822DateString; | |
119 using WTF::convertToLocalTime; | |
120 | |
121 #endif // DateMath_h | |
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