DateTime Class Reference

#include "DateTime.hpp"

Public Member Functions
Date	date () const
	DateTime ()
	DateTime (const Date &date)
	DateTime (const Date &date, const Time &timeFromDate)
	DateTime (const Date &date, const Time &timeFromDate, double utcOffset)
	DateTime (const DateTime &other)
	DateTime (const std::string &string)
	DateTime (tm t_tm)
bool	operator!= (const DateTime &other) const
DateTime	operator+ (const Time &time) const
DateTime &	operator+= (const Time &time)
DateTime	operator- (const Time &time) const
Time	operator- (const DateTime &dateTime) const
Time	operator- (const Date &date) const
DateTime &	operator-= (const Time &time)
bool	operator< (const DateTime &rhs) const
bool	operator<= (const DateTime &rhs) const
DateTime &	operator= (const DateTime &other)
bool	operator== (const DateTime &other) const
bool	operator> (const DateTime &rhs) const
bool	operator>= (const DateTime &rhs) const
Time	time () const
time_t	toEpoch () const
std::string	toISO8601 () const
std::string	toString () const
std::string	toXsdDateTime () const
double	utcOffset () const

Static Public Member Functions
static DateTime	fromEpoch (const std::time_t &time)
static boost::optional< DateTime >	fromISO8601 (const std::string &str)
static boost::optional< DateTime >	fromXsdDateTime (const std::string &str)
static double	localOffsetUTC ()
static openstudio::LogChannel	logChannel ()
static DateTime	now ()
static DateTime	nowUTC ()

Detailed Description

DateTime is an absolute unit of time, resolution to the second date is a valid Date time is normalized to 0 <= time < 24 hrs.

Constructor & Destructor Documentation

openstudio::DateTime::DateTime

(

)

default constructor, UTC time is assumed

openstudio::DateTime::DateTime

(

const Date &

date

)

constructor from Date, UTC time is assumed

openstudio::DateTime::DateTime	(	const Date &	date,
		const Time &	timeFromDate
	)

constructor from Date and Time, UTC time is assumed

openstudio::DateTime::DateTime	(	const Date &	date,
		const Time &	timeFromDate,
		double	utcOffset
	)

constructor from Date and Time and UTC Offset

openstudio::DateTime::DateTime

(

const DateTime &

other

)

copy constructor

openstudio::DateTime::DateTime

(

const std::string &

string

)

constructor from simple string format, UTC time is assumed

openstudio::DateTime::DateTime

(

tm

t_tm

)

from system tm struct

Member Function Documentation

Date openstudio::DateTime::date

(

)

const

getter to date member

static DateTime openstudio::DateTime::fromEpoch ( const std::time_t &  time )

static

construct from epoch time_t in UTC

static boost::optional<DateTime> openstudio::DateTime::fromISO8601 ( const std::string &  str )

static

construct from ISO 8601 string

static boost::optional<DateTime> openstudio::DateTime::fromXsdDateTime ( const std::string &  str )

static

construct from xsd:dateTime string

static double openstudio::DateTime::localOffsetUTC ( )

static

get the current UTC offset

static openstudio::LogChannel openstudio::DateTime::logChannel ( )

inlinestatic

static DateTime openstudio::DateTime::now ( )

static

get the local time now

static DateTime openstudio::DateTime::nowUTC ( )

static

get the UTC time now

bool openstudio::DateTime::operator!=

(

const DateTime &

other

)

const

non-equality operator

DateTime openstudio::DateTime::operator+

(

const Time &

time

)

const

addition operator

DateTime& openstudio::DateTime::operator+=

(

const Time &

time

)

assignment by addition operator

DateTime openstudio::DateTime::operator-

(

const Time &

time

)

const

difference operator

Time openstudio::DateTime::operator-

(

const DateTime &

dateTime

)

const

time duration

Time openstudio::DateTime::operator-

(

const Date &

date

)

const

time duration

DateTime& openstudio::DateTime::operator-=

(

const Time &

time

)

assignment by difference operator

bool openstudio::DateTime::operator<

(

const DateTime &

rhs

)

const

less than operator

bool openstudio::DateTime::operator<=

(

const DateTime &

rhs

)

const

less than equals operator

DateTime& openstudio::DateTime::operator=

(

const DateTime &

other

)

assignment operator

bool openstudio::DateTime::operator==

(

const DateTime &

other

)

const

equality operator

bool openstudio::DateTime::operator>

(

const DateTime &

rhs

)

const

greater than operator

bool openstudio::DateTime::operator>=

(

const DateTime &

rhs

)

const

greater than equals operator

Time openstudio::DateTime::time

(

)

const

getter to time member

time_t openstudio::DateTime::toEpoch

(

)

const

convert to epoch time_t in UTC time

std::string openstudio::DateTime::toISO8601

(

)

const

convert to ISO 8601 string

std::string openstudio::DateTime::toString

(

)

const

convert to simple string format in UTC

std::string openstudio::DateTime::toXsdDateTime

(

)

const

convert to xsd:dateTime format

double openstudio::DateTime::utcOffset

(

)

const

UTC offset in hours, local time = UTC time + UTC offset.