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 nYear, int nMonth, int nDay, int nHour, int nMin, int nSec, int nMSec=0)
void	assign (time_t time)
void	assign (const Date &date, const Time &time)
void	assign (int nYear, int nMonth, int nDay, int nHour, int nMin, int nSec, int nMSec=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 *pszFormat=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	m_date
Time	m_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.

{
    m_date = src.m_date;
    m_time = src.m_time;
}

DateTime() [3/5]

DateTime::DateTime

(

time_t

timer

)

Definition at line 705 of file DateTime.cpp.

{
    assign(time);
}

DateTime() [4/5]

DateTime::DateTime	(	const Date &	date,
		const Time &	time )

Definition at line 710 of file DateTime.cpp.

{
    m_date = date;
    m_time = time;
}

DateTime() [5/5]

DateTime::DateTime	(	int	nYear,
		int	nMonth,
		int	nDay,
		int	nHour,
		int	nMin,
		int	nSec,
		int	nMSec = 0 )

Definition at line 716 of file DateTime.cpp.

{
    m_date.assign(nYear, nMonth, nDay);
    m_time.assign(nHour, nMin, nSec, nMSec);
}

Member Function Documentation

assign() [1/3]

void DateTime::assign	(	const Date &	date,
		const Time &	time )

Definition at line 748 of file DateTime.cpp.

{
    m_date = date;
    m_time = time;
}

assign() [2/3]

void DateTime::assign	(	int	nYear,
		int	nMonth,
		int	nDay,
		int	nHour,
		int	nMin,
		int	nSec,
		int	nMSec = 0 )

Definition at line 754 of file DateTime.cpp.

{
    m_date.assign(nYear, nMonth, nDay);
    m_time.assign(nHour, nMin, nSec, nMSec);
}

assign() [3/3]

void DateTime::assign

(

time_t

time

)

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
 
    m_date.assign(
            (long) (719163 + ((timer + tm_gmtoff) / SEC_PER_DAY))    // 1970-01-01 00:00:00 + time
            );
    m_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.m_date < dt2.m_date)
        return -1;
    else if (dt1.m_date == dt2.m_date) {
        if (dt1.m_time < dt2.m_time)
            return -1;
        else if (dt1.m_time == dt2.m_time)
            return 0;
    }
    return 1;
}

date() [1/2]

Date & DateTime::date ( )

inline

Definition at line 152 of file DateTime.inl.

{
    return m_date;
}

date() [2/2]

const Date & DateTime::date ( ) const

inline

Definition at line 157 of file DateTime.inl.

{
    return m_date;
}

getCurrentLocalTime()

DateTime DateTime::getCurrentLocalTime ( )

static

Definition at line 937 of file DateTime.cpp.

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

getCurrentTimeMillis()

int64_t DateTime::getCurrentTimeMillis ( )

static

Definition at line 882 of file DateTime.cpp.

{
#if __DCL_WINDOWS
    SYSTEMTIME t;
    GetSystemTime(&t);
 
    Date dt(t.wYear, t.wMonth, t.wDay);
    int64_t r = dt.days() * 24;
    r = (r + t.wHour) * 60;
    r = (r + t.wMinute) * 60;
    r = (r + t.wSecond) * 1000;
    r += t.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 dt;
#if __DCL_WINDOWS
    struct _timeb t;
    _ftime_s(&t);
 
    dt.m_date.assign(
            (long) (719163 + (t.time / SEC_PER_DAY)) // 1970-01-01 00:00:00 + time
            );
    dt.m_time.assign(
            0,
            0,
            t.time % SEC_PER_DAY,
            t.millitm
            );
#else
    struct timeval tv;
    gettimeofday(&tv, NULL);
 
    dt.m_date.assign(
            719163 + tv.tv_sec / SEC_PER_DAY // 1970-01-01 00:00:00 + time
            );
    dt.m_time.assign(
            0,
            0,
            tv.tv_sec % SEC_PER_DAY,
            tv.tv_usec / 1000
            );
#endif
    return dt;
}

operator+=()

const DateTime & DateTime::operator+=

(

const Interval &

iv

)

Definition at line 769 of file DateTime.cpp.

{
    int64_t ms = (int64_t)m_date.days() * MSEC_PER_DAY
            + (int64_t)m_time.totalMilliSeconds()
            + iv.totalMilliSeconds();
 
    m_date.assign((long)(ms / MSEC_PER_DAY));
    m_time.assign((long)(ms % MSEC_PER_DAY));
 
    return *this;
}

operator-=()

const DateTime & DateTime::operator-=

(

const Interval &

iv

)

Definition at line 781 of file DateTime.cpp.

{
    int64_t ms = (int64_t)m_date.days() * MSEC_PER_DAY
            + (int64_t)m_time.totalMilliSeconds()
            - iv.totalMilliSeconds();
 
    m_date.assign((long)(ms / MSEC_PER_DAY));
    m_time.assign((long)(ms % MSEC_PER_DAY));
 
    return *this;
}

operator=()

const DateTime & DateTime::operator=

(

const DateTime &

src

)

Definition at line 761 of file DateTime.cpp.

{
    m_date = src.m_date;
    m_time = src.m_time;
 
    return *this;
}

time() [1/2]

Time & DateTime::time ( )

inline

Definition at line 162 of file DateTime.inl.

{
    return m_time;
}

time() [2/2]

const Time & DateTime::time ( ) const

inline

Definition at line 167 of file DateTime.inl.

{
    return m_time;
}

toString()

String DateTime::toString

(

)

const

Definition at line 826 of file DateTime.cpp.

{
    return m_date.toString() + L" " + m_time.toString();
}

toStringF()

String DateTime::toStringF

(

const wchar_t *

pszFormat = NULL

)

const

Definition at line 834 of file DateTime.cpp.

{
    if (!pszFormat)
        pszFormat = FORMAT_STRING;
 
    __DCL_ASSERT(*pszFormat != L'\0');
 
    int nYear, nMonth, nDay, nHour, nMin, nSec, nMSec;
    m_date.decode(nYear, nMonth, nDay);
    m_time.decode(nHour, nMin, nSec, nMSec);
 
    struct tm t;
    t.tm_year = nYear - 1900;
    t.tm_mon = nMonth - 1;
    t.tm_mday = nDay;
    t.tm_hour = nHour;
    t.tm_min = nMin;
    t.tm_sec = nSec;
 
    t.tm_wday = 0;
    t.tm_yday = 0;
    t.tm_isdst = -1;
 
    CharBuffer* buf = CharBuffer::create(DATETIME_FORMAT_BUFFER_SIZE);
    size_t n = wcsftime(buf->data(), DATETIME_FORMAT_BUFFER_SIZE, pszFormat, &t);
    __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

FORMAT_STRING

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

static

Definition at line 236 of file DateTime.h.

m_date

Date DateTime::m_date

protected

Definition at line 264 of file DateTime.h.

m_time

Time DateTime::m_time

protected

Definition at line 265 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