nana::date Class Reference

A date operation class. More...

Classes
struct	value

Public Member Functions
	date ()
	the initialized date is today. More...
	date (const std::tm &)
	date (int year, int month, int day)
date	operator- (int off) const
date	operator+ (int off) const
bool	operator== (const date &) const
bool	operator!= (const date &) const
bool	operator< (const date &) const
bool	operator> (const date &) const
bool	operator<= (const date &) const
bool	operator>= (const date &) const
int	day_of_week () const
const value &	read () const
void	set (const std::tm &)

Static Public Member Functions
static int	day_of_week (int year, int month, int day)
static unsigned	year_days (const unsigned year)
	the number of days in the specified year. More...
static unsigned	month_days (const unsigned year, const unsigned month)
	the number of days in the specified month. More...
static unsigned	day_in_year (unsigned y, unsigned m, unsigned d)
	Returns the index of the specified day in this year, at range[1, 365] or [1, 366]. More...

Detailed Description

A date operation class.

See Also

nana::date_chooser

Constructor & Destructor Documentation

nana::date::date

(

)

the initialized date is today.

nana::date::date ( const std::tm &  t )

explicit

nana::date::date	(	int	year,
		int	month,
		int	day
	)

Member Function Documentation

unsigned nana::date::day_in_year ( unsigned  y, unsigned  m, unsigned  d  )

static

Returns the index of the specified day in this year, at range[1, 365] or [1, 366].

int nana::date::day_of_week

(

)

const

int nana::date::day_of_week ( int  year, int  month, int  day  )

static

unsigned nana::date::month_days ( const unsigned  year, const unsigned  month  )

static

the number of days in the specified month.

bool nana::date::operator!=

(

const date &

r

)

const

date nana::date::operator+

(

int

off

)

const

date nana::date::operator-

(

int

off

)

const

Initial value:

{
                        if(1601 <= year && year < 30827 && 0 < month && month < 13 && day > 0)
                        {
                                if(day <= static_cast<int>(date::month_days(year, month)))
                                        return;
                        }

                        set(localtime())

bool nana::date::operator<

(

const date &

r

)

const

bool nana::date::operator<=

(

const date &

r

)

const

bool nana::date::operator==

(

const date &

r

)

const

bool nana::date::operator>

(

const date &

r

)

const

bool nana::date::operator>=

(

const date &

r

)

const

const date::value & nana::date::read

(

)

const

void nana::date::set

(

const std::tm &

t

)

unsigned nana::date::year_days ( const unsigned  year )

static

the number of days in the specified year.