[pclasses-cvs] pclasses2/include/pclasses Date.h,NONE,1.1

[Christian P. <cp...@us...>]

Update of /cvsroot/pclasses/pclasses2/include/pclasses
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv31213/include/pclasses

Added Files:
	Date.h 
Log Message:
Added Date class 

--- NEW FILE: Date.h ---
/***************************************************************************
 *   Copyright (C) 2004 by Christian Prochnow                              *
 *   cp...@se...                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by the Free Software Foundation; either version 2 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 Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef P_Date_h
#define P_Date_h

#include <pclasses/Exception.h>
#include <iostream>

namespace P {

//! Invalid date error
class InvalidDate: public RuntimeError {
	public:
		InvalidDate(const char* _what, const SourceInfo& si)
		: RuntimeError(_what, si) {}
};

//! Date class
class Date {
	public:
		//! Enumeration of weekdays
		enum weekDay_t {
			Saturday = 0,
			Sunday,
			Monday,
			Tuesday,
			Wednesday,
			Thursday,
			Friday
		};

		//! Enumeration of months
		enum month_t {
			January = 1,
			February,
			March,
			April,
			May,
			June,
			July,
			August,
			September,
			October,
			November,
			December
		};

		Date(unsigned int year = 1970, unsigned int month = 1, unsigned int day = 1)
			throw(InvalidDate);

		~Date() throw();

		double julianDayNumber() const throw();

		void setYear(unsigned int year);
		unsigned int year() const throw();

		void setMonth(unsigned int month) throw(InvalidDate);
		unsigned int month() const throw();

		//! Returns the number of days in stored month
		unsigned int daysInMonth() throw();

		void setDay(unsigned int day) throw(InvalidDate);
		unsigned int day() const throw();

		unsigned int dayOfYear() const throw();

		unsigned int dayOfWeek() const throw();

		//! Test if date is in a leap year
		bool isInLeapYear() const throw();

		bool operator>(const Date& d) const throw();
		bool operator<(const Date& d) const throw();
		bool operator>=(const Date& d) const throw();
		bool operator<=(const Date& d) const throw();
		bool operator==(const Date& d) const throw();
		bool operator!=(const Date& d) const throw();

		//! Returns the number of days in month
		static unsigned int daysInMonth(unsigned int month, unsigned int year) 
			throw(InvalidDate);

		//! Test if the given year is a leap year
		static bool isLeapYear(unsigned int year) throw();

		friend std::ostream& operator << (std::ostream& os, const Date& d);

	private:
		unsigned short _year;
		unsigned char  _month;
		unsigned char  _day;
};


} // !namespace P

#endif