<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
/**
* Contains the Calendar_Engine_Interface class (interface)
*
* PHP versions 4 and 5
*
* LICENSE: Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Date and Time
* @package Calendar
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version CVS: $Id: Interface.php 269074 2008-11-15 21:21:42Z quipo $
* @link http://pear.php.net/package/Calendar
*/
/**
* The methods the classes implementing the Calendar_Engine must implement.
* Note this class is not used but simply to help development
*
* @category Date and Time
* @package Calendar
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @link http://pear.php.net/package/Calendar
* @access protected
*/
class Calendar_Engine_Interface
{
/**
* Provides a mechansim to make sure parsing of timestamps
* into human dates is only performed once per timestamp.
* Typically called "internally" by methods like stampToYear.
* Return value can vary, depending on the specific implementation
*
* @param int $stamp timestamp (depending on implementation)
*
* @return mixed
* @access protected
*/
function stampCollection($stamp)
{
}
/**
* Returns a numeric year given a timestamp
*
* @param int $stamp timestamp (depending on implementation)
*
* @return int year (e.g. 2003)
* @access protected
*/
function stampToYear($stamp)
{
}
/**
* Returns a numeric month given a timestamp
*
* @param int $stamp timestamp (depending on implementation)
*
* @return int month (e.g. 9)
* @access protected
*/
function stampToMonth($stamp)
{
}
/**
* Returns a numeric day given a timestamp
*
* @param int $stamp timestamp (depending on implementation)
*
* @return int day (e.g. 15)
* @access protected
*/
function stampToDay($stamp)
{
}
/**
* Returns a numeric hour given a timestamp
*
* @param int $stamp timestamp (depending on implementation)
*
* @return int hour (e.g. 13)
* @access protected
*/
function stampToHour($stamp)
{
}
/**
* Returns a numeric minute given a timestamp
*
* @param int $stamp timestamp (depending on implementation)
*
* @return int minute (e.g. 34)
* @access protected
*/
function stampToMinute($stamp)
{
}
/**
* Returns a numeric second given a timestamp
*
* @param int $stamp timestamp (depending on implementation)
*
* @return int second (e.g. 51)
* @access protected
*/
function stampToSecond($stamp)
{
}
/**
* Returns a timestamp. Can be worth "caching" generated timestamps in a
* static variable, identified by the params this method accepts,
* to timestamp will only be calculated once.
*
* @param int $y year (e.g. 2003)
* @param int $m month (e.g. 9)
* @param int $d day (e.g. 13)
* @param int $h hour (e.g. 13)
* @param int $i minute (e.g. 34)
* @param int $s second (e.g. 53)
*
* @return int (depends on implementation)
* @access protected
*/
function dateToStamp($y, $m, $d, $h, $i, $s)
{
}
/**
* The upper limit on years that the Calendar Engine can work with
*
* @return int (e.g. 2037)
* @access protected
*/
function getMaxYears()
{
}
/**
* The lower limit on years that the Calendar Engine can work with
*
* @return int (e.g 1902)
* @access protected
*/
function getMinYears()
{
}
/**
* Returns the number of months in a year
*
* @param int $y (optional) year to get months for
*
* @return int (e.g. 12)
* @access protected
*/
function getMonthsInYear($y=null)
{
}
/**
* Returns the number of days in a month, given year and month
*
* @param int $y year (e.g. 2003)
* @param int $m month (e.g. 9)
*
* @return int days in month
* @access protected
*/
function getDaysInMonth($y, $m)
{
}
/**
* Returns numeric representation of the day of the week in a month,
* given year and month
*
* @param int $y year (e.g. 2003)
* @param int $m month (e.g. 9)
*
* @return int
* @access protected
*/
function getFirstDayInMonth ($y, $m)
{
}
/**
* Returns the number of days in a week
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
*
* @return int (e.g. 7)
* @access protected
*/
function getDaysInWeek($y=null, $m=null, $d=null)
{
}
/**
* Returns the number of the week in the year (ISO-8601), given a date
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
*
* @return int week number
* @access protected
*/
function getWeekNInYear($y, $m, $d)
{
}
/**
* Returns the number of the week in the month, given a date
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
* @param int $firstDay first day of the week (default: 1 - monday)
*
* @return int week number
* @access protected
*/
function getWeekNInMonth($y, $m, $d, $firstDay=1)
{
}
/**
* Returns the number of weeks in the month
*
* @param int $y year (2003)
* @param int $m month (9)
*
* @return int weeks number
* @access protected
*/
function getWeeksInMonth($y, $m)
{
}
/**
* Returns the number of the day of the week (0=sunday, 1=monday...)
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
*
* @return int weekday number
* @access protected
*/
function getDayOfWeek($y, $m, $d)
{
}
/**
* Returns the numeric values of the days of the week.
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
*
* @return array list of numeric values of days in week, beginning 0
* @access protected
*/
function getWeekDays($y=null, $m=null, $d=null)
{
}
/**
* Returns the default first day of the week as an integer. Must be a
* member of the array returned from getWeekDays
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
*
* @return int (e.g. 1 for Monday)
* @see getWeekDays
* @access protected
*/
function getFirstDayOfWeek($y=null, $m=null, $d=null)
{
}
/**
* Returns the number of hours in a day
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
*
* @return int (e.g. 24)
* @access protected
*/
function getHoursInDay($y=null,$m=null,$d=null)
{
}
/**
* Returns the number of minutes in an hour
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
* @param int $h hour
*
* @return int
* @access protected
*/
function getMinutesInHour($y=null,$m=null,$d=null,$h=null)
{
}
/**
* Returns the number of seconds in a minutes
*
* @param int $y year (2003)
* @param int $m month (9)
* @param int $d day (4)
* @param int $h hour
* @param int $i minute
*
* @return int
* @access protected
*/
function getSecondsInMinute($y=null,$m=null,$d=null,$h=null,$i=null)
{
}
/**
* Checks if the given day is the current day
*
* @param int timestamp (depending on implementation)
*
* @return boolean
* @access protected
*/
function isToday($stamp)
{
}
}
?>