1 /* 2 * Copyright (C) 1999-2000 Harri Porten (porten (at) 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 using namespace WTF; 52 53 namespace JSC { 54 55 double parseDate(ExecState* exec, const UString &date) 56 { 57 if (date == exec->globalData().cachedDateString) 58 return exec->globalData().cachedDateStringValue; 59 double value = parseDateFromNullTerminatedCharacters(exec, date.UTF8String().c_str()); 60 exec->globalData().cachedDateString = date; 61 exec->globalData().cachedDateStringValue = value; 62 return value; 63 } 64 65 void formatDate(const GregorianDateTime &t, DateConversionBuffer& buffer) 66 { 67 snprintf(buffer, DateConversionBufferSize, "%s %s %02d %04d", 68 weekdayName[(t.weekDay + 6) % 7], 69 monthName[t.month], t.monthDay, t.year + 1900); 70 } 71 72 void formatDateUTCVariant(const GregorianDateTime &t, DateConversionBuffer& buffer) 73 { 74 snprintf(buffer, DateConversionBufferSize, "%s, %02d %s %04d", 75 weekdayName[(t.weekDay + 6) % 7], 76 t.monthDay, monthName[t.month], t.year + 1900); 77 } 78 79 void formatTime(const GregorianDateTime &t, DateConversionBuffer& buffer) 80 { 81 int offset = abs(gmtoffset(t)); 82 char timeZoneName[70]; 83 struct tm gtm = t; 84 strftime(timeZoneName, sizeof(timeZoneName), "%Z", >m); 85 86 if (timeZoneName[0]) { 87 snprintf(buffer, DateConversionBufferSize, "%02d:%02d:%02d GMT%c%02d%02d (%s)", 88 t.hour, t.minute, t.second, 89 gmtoffset(t) < 0 ? '-' : '+', offset / (60*60), (offset / 60) % 60, timeZoneName); 90 } else { 91 snprintf(buffer, DateConversionBufferSize, "%02d:%02d:%02d GMT%c%02d%02d", 92 t.hour, t.minute, t.second, 93 gmtoffset(t) < 0 ? '-' : '+', offset / (60*60), (offset / 60) % 60); 94 } 95 } 96 97 void formatTimeUTC(const GregorianDateTime &t, DateConversionBuffer& buffer) 98 { 99 snprintf(buffer, DateConversionBufferSize, "%02d:%02d:%02d GMT", t.hour, t.minute, t.second); 100 } 101 102 } // namespace JSC 103