DateTime Class Reference

#include <DateTime.h>

Public Member Functions
	DateTime ()
	DateTime (const DateTime &_src)
	DateTime (time_t _timer)
	DateTime (const Date &_date, const Time &_time)
	DateTime (int _year, int _month, int _day, int _hour, int _min, int _sec, int _millisecond=0)
void	assign (time_t _timer)
void	assign (const Date &_date, const Time &_time)
void	assign (int _year, int _month, int _day, int _hour, int _min, int _sec, int _millisecond=0)
const DateTime &	operator= (const DateTime &_src)
const DateTime &	operator+= (const Interval &_iv)
const DateTime &	operator-= (const Interval &_iv)
String	toString () const
String	toStringF (const wchar_t *_format=NULL) const
Date &	date ()
const Date &	date () const
Time &	time ()
const Time &	time () const

Static Public Member Functions
static int	compare (const DateTime &_dt1, const DateTime &_dt2)
static int64_t	getCurrentTimeMillis ()
static DateTime	getCurrentUTCTime ()
static DateTime	getCurrentLocalTime ()

Static Public Attributes
static const wchar_t *	FORMAT_STRING = L"%Y-%m-%d %H:%M:%S"

Protected Attributes
Date	__date
Time	__time

Detailed Description

Definition at line 213 of file DateTime.h.

Constructor & Destructor Documentation

DateTime() [1/5]

DateTime::DateTime ( )

inline

Definition at line 216 of file DateTime.h.

{ }

DateTime() [2/5]

DateTime::DateTime

(

const DateTime &

_src

)

Definition at line 699 of file DateTime.cpp.

{
    __date = _src.__date;
    __time = _src.__time;
}

DateTime() [3/5]

DateTime::DateTime

(

time_t

_timer

)

Definition at line 705 of file DateTime.cpp.

{
    assign(_timer);
}

DateTime() [4/5]

DateTime::DateTime	(	const Date &	_date,
		const Time &	_time )

Definition at line 710 of file DateTime.cpp.

{
    __date = _date;
    __time = _time;
}

DateTime() [5/5]

DateTime::DateTime	(	int	_year,
		int	_month,
		int	_day,
		int	_hour,
		int	_min,
		int	_sec,
		int	_millisecond = 0 )

Definition at line 716 of file DateTime.cpp.

{
    __date.assign(_year, _month, _day);
    __time.assign(_hour, _min, _sec, _millisecond);
}

Member Function Documentation

assign() [1/3]

void DateTime::assign	(	const Date &	_date,
		const Time &	_time )

Definition at line 748 of file DateTime.cpp.

{
    __date = _date;
    __time = _time;
}

assign() [2/3]

void DateTime::assign	(	int	_year,
		int	_month,
		int	_day,
		int	_hour,
		int	_min,
		int	_sec,
		int	_millisecond = 0 )

Definition at line 754 of file DateTime.cpp.

{
    __date.assign(_year, _month, _day);
    __time.assign(_hour, _min, _sec, _millisecond);
}

assign() [3/3]

void DateTime::assign

(

time_t

_timer

)

Definition at line 723 of file DateTime.cpp.

{
    long tm_gmtoff = 0;
 
#if __DCL_WINDOWS
    long seconds;
    _get_timezone(&seconds);
    tm_gmtoff = -seconds;
#else
    struct tm tm;
    localtime_r(&_timer, &tm);
    tm_gmtoff = tm.tm_gmtoff;
#endif
 
    __date.assign(
        (long) (719163 + ((_timer + tm_gmtoff) / SEC_PER_DAY))   // 1970-01-01 00:00:00 + time
        );
    __time.assign(
        0,
        0,
        _timer % SEC_PER_DAY + tm_gmtoff,
        0
        );
}

compare()

int DateTime::compare ( const DateTime & _dt1, const DateTime & _dt2 )

static

Definition at line 869 of file DateTime.cpp.

{
    if (_dt1.__date < _dt2.__date)
        return -1;
    else if (_dt1.__date == _dt2.__date) {
        if (_dt1.__time < _dt2.__time)
            return -1;
        else if (_dt1.__time == _dt2.__time)
            return 0;
    }
    return 1;
}

date() [1/2]

Date & DateTime::date ( )

inline

Definition at line 152 of file DateTime.inl.

{
    return __date;
}

date() [2/2]

const Date & DateTime::date ( ) const

inline

Definition at line 157 of file DateTime.inl.

{
    return __date;
}

getCurrentLocalTime()

DateTime DateTime::getCurrentLocalTime ( )

static

Definition at line 937 of file DateTime.cpp.

{
    DateTime r;
#if __DCL_WINDOWS
    struct _timeb timeb;
    _ftime_s(&timeb);
 
    r.__date.assign(
        (long) (719163 + ((timeb.time - timeb.timezone * 60) / SEC_PER_DAY)) // 1970-01-01 00:00:00 + time
        );
    r.__time.assign(
        0,
        -timeb.timezone,
        timeb.time % SEC_PER_DAY,
        timeb.millitm
        );
#else
    time_t timer;
    struct tm tm;
    ::time(&timer);
    localtime_r(&timer, &tm);
 
    struct timeval tv;
    gettimeofday(&tv, NULL);
 
    r.__date.assign(
        719163 + (tv.tv_sec + tm.tm_gmtoff) / SEC_PER_DAY    // 1970-01-01 00:00:00 + time
        );
    r.__time.assign(
        0,
        0,
        tv.tv_sec % SEC_PER_DAY + tm.tm_gmtoff,
        tv.tv_usec / 1000
        );
#endif
    return r;
}

getCurrentTimeMillis()

int64_t DateTime::getCurrentTimeMillis ( )

static

Definition at line 882 of file DateTime.cpp.

{
#if __DCL_WINDOWS
    SYSTEMTIME time;
    GetSystemTime(&time);
 
    Date dt(time.wYear, time.wMonth, time.wDay);
    int64_t r = dt.days() * 24;
    r = (r + time.wHour) * 60;
    r = (r + time.wMinute) * 60;
    r = (r + time.wSecond) * 1000;
    r += time.wMilliseconds;
    return r;
#else
    struct timeval tv;
    gettimeofday(&tv, NULL);
    int64_t r = tv.tv_sec * 1000;
    r += tv.tv_usec / 1000;
    return r;
#endif
}

getCurrentUTCTime()

DateTime DateTime::getCurrentUTCTime ( )

static

Definition at line 904 of file DateTime.cpp.

{
    DateTime r;
#if __DCL_WINDOWS
    struct _timeb timeb;
    _ftime_s(&timeb);
 
    r.__date.assign(
        (long) (719163 + (timeb.time / SEC_PER_DAY)) // 1970-01-01 00:00:00 + time
        );
    r.__time.assign(
        0,
        0,
        timeb.time % SEC_PER_DAY,
        timeb.millitm
        );
#else
    struct timeval tv;
    gettimeofday(&tv, NULL);
 
    r.__date.assign(
        719163 + tv.tv_sec / SEC_PER_DAY // 1970-01-01 00:00:00 + time
        );
    r.__time.assign(
        0,
        0,
        tv.tv_sec % SEC_PER_DAY,
        tv.tv_usec / 1000
        );
#endif
    return r;
}

operator+=()

const DateTime & DateTime::operator+=

(

const Interval &

_iv

)

Definition at line 769 of file DateTime.cpp.

{
    int64_t msec = (int64_t)__date.days() * MSEC_PER_DAY
            + (int64_t)__time.totalMilliSeconds()
            + _iv.totalMilliSeconds();
 
    __date.assign((long)(msec / MSEC_PER_DAY));
    __time.assign((long)(msec % MSEC_PER_DAY));
 
    return *this;
}

operator-=()

const DateTime & DateTime::operator-=

(

const Interval &

_iv

)

Definition at line 781 of file DateTime.cpp.

{
    int64_t msec = (int64_t)__date.days() * MSEC_PER_DAY
            + (int64_t)__time.totalMilliSeconds()
            - _iv.totalMilliSeconds();
 
    __date.assign((long)(msec / MSEC_PER_DAY));
    __time.assign((long)(msec % MSEC_PER_DAY));
 
    return *this;
}

operator=()

const DateTime & DateTime::operator=

(

const DateTime &

_src

)

Definition at line 761 of file DateTime.cpp.

{
    __date = _src.__date;
    __time = _src.__time;
 
    return *this;
}

time() [1/2]

Time & DateTime::time ( )

inline

Definition at line 162 of file DateTime.inl.

{
    return __time;
}

time() [2/2]

const Time & DateTime::time ( ) const

inline

Definition at line 167 of file DateTime.inl.

{
    return __time;
}

toString()

String DateTime::toString

(

)

const

Definition at line 826 of file DateTime.cpp.

{
    return __date.toString() + L" " + __time.toString();
}

toStringF()

String DateTime::toStringF

(

const wchar_t *

_format = NULL

)

const

Definition at line 834 of file DateTime.cpp.

{
    if (!_format)
        _format = FORMAT_STRING;
 
    __DCL_ASSERT(*_format != L'\0');
 
    int year, month, day, hour, min, sec, msec;
    __date.decode(year, month, day);
    __time.decode(hour, min, sec, msec);
 
    struct tm time;
    time.tm_year = year - 1900;
    time.tm_mon = month - 1;
    time.tm_mday = day;
    time.tm_hour = hour;
    time.tm_min = min;
    time.tm_sec = sec;
 
    time.tm_wday = 0;
    time.tm_yday = 0;
    time.tm_isdst = -1;
 
    CharBuffer* buf = CharBuffer::create(DATETIME_FORMAT_BUFFER_SIZE);
    size_t n = wcsftime(buf->data(), DATETIME_FORMAT_BUFFER_SIZE, _format, &time);
    __DCL_ASSERT(buf->__allocLength >= n);
    buf->__dataLength = n;
    __DCL_ASSERT(buf->data()[buf->__dataLength] == __T('\0'));
 
    String r = buf;
    buf->release();
    return r;
}

Member Data Documentation

__date

Date DateTime::__date

protected

Definition at line 264 of file DateTime.h.

__time

Time DateTime::__time

protected

Definition at line 265 of file DateTime.h.

FORMAT_STRING

const wchar_t * DateTime::FORMAT_STRING = L"%Y-%m-%d %H:%M:%S"

static

Definition at line 236 of file DateTime.h.

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The documentation for this class was generated from the following files:

• DateTime.h
• DateTime.inl
• DateTime.cpp