dca684d8f8
Change-Id: I357f8594a404eb17a0126359bdc5b2b4c6543de6 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/122045 Tested-by: Michael Stahl <michael.stahl@allotropia.de> Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
258 lines
8.1 KiB
C++
258 lines
8.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <osl/time.h>
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#include <com/sun/star/util/DateTime.hpp>
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#include "DateTimeHelper.hxx"
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using namespace com::sun::star::util;
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using namespace http_dav_ucp;
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bool DateTimeHelper::ISO8601_To_DateTime (const OUString& s,
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DateTime& dateTime)
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{
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OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
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int year, month, day, hours, minutes, off_hours, off_minutes, fix;
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double seconds;
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// 2001-01-01T12:30:00Z
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int n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lfZ",
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&year, &month, &day, &hours, &minutes, &seconds );
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if ( n == 6 )
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{
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fix = 0;
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}
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else
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{
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// 2001-01-01T12:30:00+03:30
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n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lf+%02d:%02d",
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&year, &month, &day, &hours, &minutes, &seconds,
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&off_hours, &off_minutes );
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if ( n == 8 )
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{
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fix = - off_hours * 3600 - off_minutes * 60;
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}
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else
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{
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// 2001-01-01T12:30:00-03:30
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n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lf-%02d:%02d",
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&year, &month, &day, &hours, &minutes, &seconds,
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&off_hours, &off_minutes );
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if ( n == 8 )
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{
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fix = off_hours * 3600 + off_minutes * 60;
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}
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else
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{
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return false;
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}
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}
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}
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// Convert to local time...
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oslDateTime aDateTime;
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aDateTime.NanoSeconds = 0;
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aDateTime.Seconds = sal::static_int_cast< sal_uInt16 >(seconds); // 0-59
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aDateTime.Minutes = sal::static_int_cast< sal_uInt16 >(minutes); // 0-59
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aDateTime.Hours = sal::static_int_cast< sal_uInt16 >(hours); // 0-23
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aDateTime.Day = sal::static_int_cast< sal_uInt16 >(day); // 1-31
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aDateTime.DayOfWeek = 0; // 0-6, 0 = Sunday
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aDateTime.Month = sal::static_int_cast< sal_uInt16 >(month); // 1-12
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aDateTime.Year = sal::static_int_cast< sal_Int16 >(year);
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TimeValue aTimeValue;
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if ( osl_getTimeValueFromDateTime( &aDateTime, &aTimeValue ) )
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{
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aTimeValue.Seconds += fix;
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if ( osl_getLocalTimeFromSystemTime( &aTimeValue, &aTimeValue ) )
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{
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if ( osl_getDateTimeFromTimeValue( &aTimeValue, &aDateTime ) )
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{
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dateTime.Year = aDateTime.Year;
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dateTime.Month = aDateTime.Month;
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dateTime.Day = aDateTime.Day;
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dateTime.Hours = aDateTime.Hours;
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dateTime.Minutes = aDateTime.Minutes;
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dateTime.Seconds = aDateTime.Seconds;
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return true;
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}
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}
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}
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return false;
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}
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/*
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sal_Int32 DateTimeHelper::convertDayToInt (const OUString& day)
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{
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if (day.equalsAscii("Sun"))
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return 0;
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else if (day.equalsAscii("Mon"))
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return 1;
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else if (day.equalsAscii("Tue"))
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return 2;
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else if (day.equalsAscii("Wed"))
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return 3;
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else if (day.equalsAscii("Thu"))
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return 4;
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else if (day.equalsAscii("Fri"))
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return 5;
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else if (day.equalsAscii("Sat"))
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return 6;
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else
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return -1;
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}
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*/
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sal_Int32 DateTimeHelper::convertMonthToInt(std::u16string_view month)
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{
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if (month == u"Jan")
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return 1;
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else if (month == u"Feb")
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return 2;
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else if (month == u"Mar")
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return 3;
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else if (month == u"Apr")
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return 4;
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else if (month == u"May")
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return 5;
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else if (month == u"Jun")
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return 6;
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else if (month == u"Jul")
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return 7;
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else if (month == u"Aug")
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return 8;
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else if (month == u"Sep")
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return 9;
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else if (month == u"Oct")
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return 10;
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else if (month == u"Nov")
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return 11;
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else if (month == u"Dec")
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return 12;
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else
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return 0;
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}
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bool DateTimeHelper::RFC2068_To_DateTime (const OUString& s,
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DateTime& dateTime)
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{
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int year;
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int day;
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int hours;
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int minutes;
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int seconds;
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char string_month[3 + 1];
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char string_day[3 + 1];
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sal_Int32 found = s.indexOf (',');
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if (found != -1)
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{
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OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
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// RFC 1123
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found = sscanf (aDT.getStr(), "%3s, %2d %3s %4d %2d:%2d:%2d GMT",
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string_day, &day, string_month, &year, &hours, &minutes, &seconds);
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if (found != 7)
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{
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// RFC 1036
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found = sscanf (aDT.getStr(), "%3s, %2d-%3s-%2d %2d:%2d:%2d GMT",
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string_day, &day, string_month, &year, &hours, &minutes, &seconds);
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}
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found = (found == 7) ? 1 : 0;
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}
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else
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{
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OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
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// ANSI C's asctime () format
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found = sscanf (aDT.getStr(), "%3s %3s %d %2d:%2d:%2d %4d",
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string_day, string_month,
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&day, &hours, &minutes, &seconds, &year);
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found = (found == 7) ? 1 : 0;
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}
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if (found)
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{
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found = 0;
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int month = DateTimeHelper::convertMonthToInt (
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OUString::createFromAscii (string_month));
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if (month)
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{
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// Convert to local time...
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oslDateTime aDateTime;
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aDateTime.NanoSeconds = 0;
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aDateTime.Seconds = sal::static_int_cast< sal_uInt16 >(seconds);
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// 0-59
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aDateTime.Minutes = sal::static_int_cast< sal_uInt16 >(minutes);
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// 0-59
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aDateTime.Hours = sal::static_int_cast< sal_uInt16 >(hours);
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// 0-23
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aDateTime.Day = sal::static_int_cast< sal_uInt16 >(day);
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// 1-31
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aDateTime.DayOfWeek = 0; //dayofweek; // 0-6, 0 = Sunday
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aDateTime.Month = sal::static_int_cast< sal_uInt16 >(month);
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// 1-12
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aDateTime.Year = sal::static_int_cast< sal_Int16 >(year);
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TimeValue aTimeValue;
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if ( osl_getTimeValueFromDateTime( &aDateTime,
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&aTimeValue ) )
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{
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if ( osl_getLocalTimeFromSystemTime( &aTimeValue,
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&aTimeValue ) )
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{
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if ( osl_getDateTimeFromTimeValue( &aTimeValue,
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&aDateTime ) )
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{
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dateTime.Year = aDateTime.Year;
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dateTime.Month = aDateTime.Month;
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dateTime.Day = aDateTime.Day;
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dateTime.Hours = aDateTime.Hours;
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dateTime.Minutes = aDateTime.Minutes;
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dateTime.Seconds = aDateTime.Seconds;
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found = 1;
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}
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}
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}
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}
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}
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return found;
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}
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bool DateTimeHelper::convert (const OUString& s, DateTime& dateTime)
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{
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if (ISO8601_To_DateTime (s, dateTime))
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return true;
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else if (RFC2068_To_DateTime (s, dateTime))
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return true;
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else
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return false;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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