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 "JSObject.h" 48 #include "ScopeChain.h" 49 #include "UString.h" 50 #include <wtf/DateMath.h> 51 #include <wtf/StringExtras.h> 52 #include <wtf/text/CString.h> 53 54 using namespace WTF; 55 56 namespace JSC { 57 58 double parseDate(ExecState* exec, const UString &date) 59 { 60 if (date == exec->globalData().cachedDateString) 61 return exec->globalData().cachedDateStringValue; 62 double value = parseES5DateFromNullTerminatedCharacters(date.utf8().data()); 63 if (isnan(value)) 64 value = parseDateFromNullTerminatedCharacters(exec, date.utf8().data()); 65 exec->globalData().cachedDateString = date; 66 exec->globalData().cachedDateStringValue = value; 67 return value; 68 } 69 70 void formatDate(const GregorianDateTime &t, DateConversionBuffer& buffer) 71 { 72 snprintf(buffer, DateConversionBufferSize, "%s %s %02d %04d", 73 weekdayName[(t.weekDay + 6) % 7], 74 monthName[t.month], t.monthDay, t.year + 1900); 75 } 76 77 void formatDateUTCVariant(const GregorianDateTime &t, DateConversionBuffer& buffer) 78 { 79 snprintf(buffer, DateConversionBufferSize, "%s, %02d %s %04d", 80 weekdayName[(t.weekDay + 6) % 7], 81 t.monthDay, monthName[t.month], t.year + 1900); 82 } 83 84 void formatTime(const GregorianDateTime &t, DateConversionBuffer& buffer) 85 { 86 int offset = abs(gmtoffset(t)); 87 char timeZoneName[70]; 88 struct tm gtm = t; 89 strftime(timeZoneName, sizeof(timeZoneName), "%Z", >m); 90 91 if (timeZoneName[0]) { 92 snprintf(buffer, DateConversionBufferSize, "%02d:%02d:%02d GMT%c%02d%02d (%s)", 93 t.hour, t.minute, t.second, 94 gmtoffset(t) < 0 ? '-' : '+', offset / (60*60), (offset / 60) % 60, timeZoneName); 95 } else { 96 snprintf(buffer, DateConversionBufferSize, "%02d:%02d:%02d GMT%c%02d%02d", 97 t.hour, t.minute, t.second, 98 gmtoffset(t) < 0 ? '-' : '+', offset / (60*60), (offset / 60) % 60); 99 } 100 } 101 102 void formatTimeUTC(const GregorianDateTime &t, DateConversionBuffer& buffer) 103 { 104 snprintf(buffer, DateConversionBufferSize, "%02d:%02d:%02d GMT", t.hour, t.minute, t.second); 105 } 106 107 } // namespace JSC 108