/usr/include/vmime/utility/datetimeUtils.hpp is in libvmime-dev 0.9.1-5build1.
This file is owned by root:root, with mode 0o644.
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// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2009 Vincent Richard <vincent@vincent-richard.net>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#ifndef VMIME_DATETIMEUTILS_HPP_INCLUDED
#define VMIME_DATETIMEUTILS_HPP_INCLUDED
#include "vmime/dateTime.hpp"
namespace vmime {
namespace utility {
/** Miscellaneous functions related to date/time.
*/
class datetimeUtils
{
public:
/** Test whether the specified year is a leap year.
*
* @param year year in 4-digit format
* @return true if year is a leap year, false otherwise
*/
static bool isLeapYear(const int year);
/** Return the number of days in the specified month.
*
* @param year year in 4-digit format (this is needed to check
* for leap years)
* @param month month, January is 1, December is 12 (see datetime::Months enum)
* @return the number of days in the month
*/
static int getDaysInMonth(const int year, const int month);
/** Convert the specified date/time to UT (GMT).
*
* @param date date/time to convert
* @return GMT date/time
*/
static const datetime toUniversalTime(const datetime& date);
/** Convert the specified date/time to the specified time zone.
*
* @param date date/time to convert
* @param zone local zone to convert to (see datetime::TimeZones enum)
* @return local time and date
*/
static const datetime toLocalTime(const datetime& date, const int zone);
/** Return the day of the week from the specified date.
*
* @param year year in 4-digit format
* @param month month (1-12), January is 1, December is 12 (see datetime::Months enum)
* @param day month day (1-31)
* @return the day of the week, Sunday is 0, Monday is 1 (see datetime::DaysOfWeek enum)
*/
static int getDayOfWeek(const int year, const int month, const int day);
/** Return the week number in the year (ISO 8601).
*
* @param year year in 4-digit format
* @param month month (1-12), January is 1, December is 12 (see datetime::Months enum)
* @param day month day (1-31)
* @param iso if TRUE, use ISO week-numbering year (default is to use calendar year).
* For more information, read here: http://en.wikipedia.org/wiki/ISO_8601#Week_dates
* @return the week number (1 is the first week of the year)
*/
static int getWeekOfYear(const int year, const int month, const int day, const bool iso = false);
};
} // utility
} // vmime
#endif // VMIME_DATETIMEUTILS_HPP_INCLUDED
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