PhxDates.h

/******************************************************************************
*       04/04/2005 Snugglebear
*       Date utility classes. More to come...
*       PS, don't try compiling this just yet. Makefile.am reflects this.
******************************************************************************/

#ifndef PHXDATES_H
#define PHXDATES_H

#include <Phx/PhxConfig.h>
#include <Phx/PhxTypes.h>
#include <Phx/Util/PhxTimes.h>

namespace Phx {
class Date
{
        private:
                int64_t mDays;          // count of days
        public:
                // garden variety constructors
                Date();
                Date(int64_t);
                Date(const Date&);

                // get & sets
                int64_t days();

                void days(int64_t);

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

                virtual Date operator+(const Date&) const;
                virtual Date operator-(const Date&) const;
                virtual Date operator*(const Date&) const;
                virtual Date operator/(const Date&) const;
                virtual Date operator%(const Date&) const;

                virtual Date& operator++();
                virtual Date& operator--();
                virtual Date& operator=(const Date&);
                virtual Date& operator+=(const Date&);
                virtual Date& operator-=(const Date&);
                virtual Date& operator*=(const Date&);
                virtual Date& operator/=(const Date&);
                virtual Date& operator%=(const Date&);

                virtual Date operator+(const int64_t) const;
                virtual Date operator-(const int64_t) const;
                virtual Date operator*(const int64_t) const;
                virtual Date operator/(const int64_t) const;
                virtual Date operator%(const int64_t) const;

                virtual Date& operator=(const int64_t);
                virtual Date& operator+=(const int64_t);
                virtual Date& operator-=(const int64_t);
                virtual Date& operator*=(const int64_t);
                virtual Date& operator/=(const int64_t);
                virtual Date& operator%=(const int64_t);
// ostream
};      // end class Date

class Gregorian : public Date
{
        private:
                int16_t mDayOfMonth,    // [1-31] *POSIX really does define it this way
                                mMonth;                 // [0-11] - likewise, number of months since January
                int64_t mYear;                  // reconcile against POSIX, where year is years
                                                                // since 1900
                                                                // don't forget the following issues in the next time object...
                                                                // extras in BSD?
                                                                // long    tm_gmtoff;      /* offset from CUT in seconds */
                                                                // char    *tm_zone;       /* timezone abbreviation */

                static const int16_t    LB_DAYOFMONTH = 1;
                static const int16_t    UB_DAYOFMONTH = 31;
                static const int16_t    LB_MONTH = 0;
                static const int16_t    UB_MONTH = 11;

        public:
                // garden variety constructors
                Gregorian();
                Gregorian(int16_t, int16_t, int64_t);
                Gregorian(const Gregorian&);

                // get & sets
                int16_t dayofMonth() const;
                int16_t month() const;
                int64_t year() const;

                void dayOfMonth(const int16_t);
                void month(const int16_t);
                void year(const int64_t);       
                void printGregorian();

                bool isLeapYear(const int64_t);
                String monthName(int16_t);
                int16_t daysInMonth(int16_t);
                int32_t syncDate(); 
                void addDay(const int64_t);
                void addMonth(const int64_t);
                void addYear(const int64_t);
                void subtractDay(const int64_t);
                void subtractMonth(const int64_t);
                void subtractYear(const int64_t);
                int64_t dateDiff(const Date&, const String&) const;
                String dateName(const String&) const;
                void dateAdd(const Date&, const String&);
};      // end class Gregorian

};      // end namespace Phx
#endif

---