98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
//
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// VMime library (http://www.vmime.org)
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// Copyright (C) 2002-2007 Vincent Richard <vincent@vincent-richard.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// Linking this library statically or dynamically with other modules is making
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// a combined work based on this library. Thus, the terms and conditions of
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// the GNU General Public License cover the whole combination.
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//
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#ifndef VMIME_DATETIMEUTILS_HPP_INCLUDED
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#define VMIME_DATETIMEUTILS_HPP_INCLUDED
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#include "vmime/dateTime.hpp"
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namespace vmime {
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namespace utility {
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/** Miscellaneous functions related to date/time.
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*/
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class datetimeUtils
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{
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public:
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/** Test whether the specified year is a leap year.
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*
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* @param year year in 4-digit format
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* @return true if year is a leap year, false otherwise
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*/
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static const bool isLeapYear(const int year);
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/** Return the number of days in the specified month.
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*
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* @param year year in 4-digit format (this is needed to check
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* for leap years)
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* @param month month, January is 1, December is 12 (see datetime::Months enum)
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* @return the number of days in the month
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*/
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static const int getDaysInMonth(const int year, const int month);
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/** Convert the specified date/time to UT (GMT).
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*
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* @param date date/time to convert
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* @return GMT date/time
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*/
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static const datetime toUniversalTime(const datetime& date);
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/** Convert the specified date/time to the specified time zone.
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*
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* @param date date/time to convert
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* @param zone local zone to convert to (see datetime::TimeZones enum)
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* @return local time and date
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*/
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static const datetime toLocalTime(const datetime& date, const int zone);
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/** Return the day of the week from the specified date.
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*
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* @param year year in 4-digit format
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* @param month month (1-12), January is 1, December is 12 (see datetime::Months enum)
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* @param day month day (1-31)
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* @return the day of the week, Sunday is 0, Monday is 1 (see datetime::DaysOfWeek enum)
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*/
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static const int getDayOfWeek(const int year, const int month, const int day);
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/** Return the week number in the year (ISO 8601).
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*
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* @param year year in 4-digit format
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* @param month month (1-12), January is 1, December is 12 (see datetime::Months enum)
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* @param day month day (1-31)
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* @return the week number (1 is the first week of the year)
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*/
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static const int getWeekOfYear(const int year, const int month, const int day);
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};
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} // utility
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} // vmime
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#endif // VMIME_DATETIMEUTILS_HPP_INCLUDED
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