1/*
2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
3 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
4 * Copyright (C) 2009 Google Inc. All rights reserved.
5 *
6 * The Original Code is Mozilla Communicator client code, released
7 * March 31, 1998.
8 *
9 * The Initial Developer of the Original Code is
10 * Netscape Communications Corporation.
11 * Portions created by the Initial Developer are Copyright (C) 1998
12 * the Initial Developer. All Rights Reserved.
13 *
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Lesser General Public
16 * License as published by the Free Software Foundation; either
17 * version 2.1 of the License, or (at your option) any later version.
18 *
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 *
28 * Alternatively, the contents of this file may be used under the terms
29 * of either the Mozilla Public License Version 1.1, found at
30 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
31 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
32 * (the "GPL"), in which case the provisions of the MPL or the GPL are
33 * applicable instead of those above. If you wish to allow use of your
34 * version of this file only under the terms of one of those two
35 * licenses (the MPL or the GPL) and not to allow others to use your
36 * version of this file under the LGPL, indicate your decision by
37 * deletingthe provisions above and replace them with the notice and
38 * other provisions required by the MPL or the GPL, as the case may be.
39 * If you do not delete the provisions above, a recipient may use your
40 * version of this file under any of the LGPL, the MPL or the GPL.
41 */
42
43#include "config.h"
44#include "DateConversion.h"
45
46#include "CallFrame.h"
47#include "UString.h"
48#include <wtf/DateMath.h>
49#include <wtf/StringExtras.h>
50
51#if OS(WINDOWS)
52#include <windows.h>
53#endif
54
55using namespace WTF;
56
57namespace JSC {
58
59double parseDate(ExecState* exec, const UString &date)
60{
61 if (date == exec->globalData().cachedDateString)
62 return exec->globalData().cachedDateStringValue;
63 double value = parseDateFromNullTerminatedCharacters(exec, dateString: date.UTF8String().c_str());
64 exec->globalData().cachedDateString = date;
65 exec->globalData().cachedDateStringValue = value;
66 return value;
67}
68
69void formatDate(const GregorianDateTime &t, DateConversionBuffer& buffer)
70{
71 snprintf(s: buffer, maxlen: DateConversionBufferSize, format: "%s %s %02d %04d",
72 weekdayName[(t.weekDay + 6) % 7],
73 monthName[t.month], t.monthDay, t.year + 1900);
74}
75
76void formatDateUTCVariant(const GregorianDateTime &t, DateConversionBuffer& buffer)
77{
78 snprintf(s: buffer, maxlen: DateConversionBufferSize, format: "%s, %02d %s %04d",
79 weekdayName[(t.weekDay + 6) % 7],
80 t.monthDay, monthName[t.month], t.year + 1900);
81}
82
83void formatTime(const GregorianDateTime &t, DateConversionBuffer& buffer)
84{
85 int offset = abs(x: gmtoffset(t));
86#if OS(WINDOWS)
87 TIME_ZONE_INFORMATION timeZoneInformation;
88 GetTimeZoneInformation(&timeZoneInformation);
89 const WCHAR* timeZoneName = t.isDST ? timeZoneInformation.DaylightName : timeZoneInformation.StandardName;
90#else
91 char timeZoneName[70];
92 struct tm gtm = t;
93 strftime(s: timeZoneName, maxsize: sizeof(timeZoneName), format: "%Z", tp: &gtm);
94#endif
95
96 if (timeZoneName[0]) {
97#if OS(WINDOWS)
98 snprintf(buffer, DateConversionBufferSize, "%02d:%02d:%02d GMT%c%02d%02d (%S)",
99#else
100 snprintf(s: buffer, maxlen: DateConversionBufferSize, format: "%02d:%02d:%02d GMT%c%02d%02d (%s)",
101#endif
102 t.hour, t.minute, t.second,
103 gmtoffset(t) < 0 ? '-' : '+', offset / (60*60), (offset / 60) % 60, timeZoneName);
104 } else {
105 snprintf(s: buffer, maxlen: DateConversionBufferSize, format: "%02d:%02d:%02d GMT%c%02d%02d",
106 t.hour, t.minute, t.second,
107 gmtoffset(t) < 0 ? '-' : '+', offset / (60*60), (offset / 60) % 60);
108 }
109}
110
111void formatTimeUTC(const GregorianDateTime &t, DateConversionBuffer& buffer)
112{
113 snprintf(s: buffer, maxlen: DateConversionBufferSize, format: "%02d:%02d:%02d GMT", t.hour, t.minute, t.second);
114}
115
116} // namespace JSC
117

source code of qtscript/src/3rdparty/javascriptcore/JavaScriptCore/runtime/DateConversion.cpp