datetime.h

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/***********************************************************************
 Copyright (c) 1998 by Kevin Atkinson, (c) 1999-2001 by MySQL AB, and
 (c) 2004-2008 by Educational Technology Resources, Inc.  Others may
 also hold copyrights on code in this file.  See the CREDITS.txt file
 in the top directory of the distribution for details.

 This file is part of MySQL++.

 MySQL++ is free software; you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published
 by the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.

 MySQL++ 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 Lesser General Public
 License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with MySQL++; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 USA
***********************************************************************/

#if !defined(MYSQLPP_DATETIME_H)
#define MYSQLPP_DATETIME_H

#include "common.h"

#include "comparable.h"

#include <string>
#include <iostream>

namespace mysqlpp {


class MYSQLPP_EXPORT DateTime : public Comparable<DateTime>
{
public:
        DateTime() :
        Comparable<DateTime>(),
        year_(0),
        month_(0),
        day_(0),
        hour_(0),
        minute_(0),
        second_(0),
        now_(true)
        {
        }

        DateTime(unsigned short y, unsigned char mon, unsigned char d,
                        unsigned char h, unsigned char min, unsigned char s) :
        Comparable<DateTime>(),
        year_(y),
        month_(mon),
        day_(d),
        hour_(h),
        minute_(min),
        second_(s),
        now_(false)
        {
        }
        
        DateTime(const DateTime& other) :
        Comparable<DateTime>(),
        year_(other.year_),
        month_(other.month_),
        day_(other.day_),
        hour_(other.hour_),
        minute_(other.minute_),
        second_(other.second_),
        now_(other.now_)
        {
        }

        explicit DateTime(const char* str) { convert(str); }
        
        template <class Str>
        explicit DateTime(const Str& str)
        {
                convert(str.c_str());
        }

        explicit DateTime(time_t t);

        int compare(const DateTime& other) const;

        const char* convert(const char*);

        unsigned char day() const { return day_; }

        void day(unsigned char d) { day_ = d; now_ = false; }

        unsigned char hour() const { return hour_; }

        void hour(unsigned char h) { hour_ = h; now_ = false; }

        bool is_now() const { return now_; }

        unsigned char minute() const { return minute_; }

        void minute(unsigned char m) { minute_ = m; now_ = false; }

        unsigned char month() const { return month_; }

        void month(unsigned char m) { month_ = m; now_ = false; }

        static DateTime now() { return DateTime(); }

        operator std::string() const;

        operator time_t() const;

        unsigned char second() const { return second_; }

        void second(unsigned char s) { second_ = s; now_ = false; }

        std::string str() const { return *this; }

        unsigned short year() const { return year_; }

        void year(unsigned short y) { year_ = y; now_ = false; }

private:
        unsigned short year_;   
        unsigned char month_;   
        unsigned char day_;             
        unsigned char hour_;    
        unsigned char minute_;  
        unsigned char second_;  

        bool now_;      
};


inline DateTime NOW() { return DateTime(); }


MYSQLPP_EXPORT std::ostream& operator <<(std::ostream& os,
                const DateTime& dt);


class MYSQLPP_EXPORT Date : public Comparable<Date>
{
public:
        Date() : year_(0), month_(0), day_(0) { }

        Date(unsigned short y, unsigned char m, unsigned char d) :
        Comparable<Date>(),
        year_(y),
        month_(m),
        day_(d)
        {
        }
        
        Date(const Date& other) :
        Comparable<Date>(),
        year_(other.year_),
        month_(other.month_),
        day_(other.day_)
        {
        }

        Date(const DateTime& other) :
        Comparable<Date>(),
        year_(other.year()),
        month_(other.month()),
        day_(other.day())
        {
        }

        explicit Date(const char* str) { convert(str); }
        
        template <class Str>
        explicit Date(const Str& str) { convert(str.c_str()); }

        explicit Date(time_t t);

        int compare(const Date& other) const;

        const char* convert(const char*);

        unsigned char day() const { return day_; }

        void day(unsigned char d) { day_ = d; }

        unsigned char month() const { return month_; }

        void month(unsigned char m) { month_ = m; }

        operator std::string() const;

        operator time_t() const;

        std::string str() const { return *this; }

        unsigned short year() const { return year_; }

        void year(unsigned short y) { year_ = y; }

private:
        unsigned short year_;   
        unsigned char month_;   
        unsigned char day_;             
};

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


class MYSQLPP_EXPORT Time : public Comparable<Time>
{
public:
        Time() : hour_(0), minute_(0), second_(0) { }

        Time(unsigned char h, unsigned char m, unsigned char s) :
        hour_(h),
        minute_(m),
        second_(s)
        {
        }

        Time(const Time& other) :
        Comparable<Time>(),
        hour_(other.hour_),
        minute_(other.minute_),
        second_(other.second_)
        {
        }

        Time(const DateTime& other) :
        Comparable<Time>(),
        hour_(other.hour()),
        minute_(other.minute()),
        second_(other.second())
        {
        }

        explicit Time(const char* str) { convert(str); }

        template <class Str>
        explicit Time(const Str& str) { convert(str.c_str()); }

        explicit Time(time_t t);

        int compare(const Time& other) const;

        const char* convert(const char*);

        unsigned char hour() const { return hour_; }

        void hour(unsigned char h) { hour_ = h; }

        unsigned char minute() const { return minute_; }

        void minute(unsigned char m) { minute_ = m; }

        operator std::string() const;

        operator time_t() const;

        unsigned char second() const { return second_; }

        void second(unsigned char s) { second_ = s; }

        std::string str() const { return *this; }

private:
        unsigned char hour_;    
        unsigned char minute_;  
        unsigned char second_;  
};

MYSQLPP_EXPORT std::ostream& operator <<(std::ostream& os,
                const Time& t);


} // end namespace mysqlpp

#endif // !defined(MYSQLPP_DATETIME_H)

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