datetimetools.hpp File Reference

#include <ctime>
#include <chrono>
#include "date/date.h"

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Classes
struct	time_stamp
	This structure defines all fields necessary to create a time stamp or a formatted date. More...
struct	time_zone
	This structure defines the information for a time zone. More...

Typedefs
using	sys_time_point = std::chrono::time_point< std::chrono::system_clock, std::chrono::microseconds >
	This is a typedef for a custom system_clock time_point with microseconds precision. More...

Functions
sys_time_point	sys_time_now ()
	Returns the current time as a sys_time_point (i.e. a std::chrono::time_point with microseconds precision). More...
date::year_month_day	dateFromTimePoint (sys_time_point tp)
	Return the date extracted from the passed sys_time_point. More...
date::year_month_day	dateFromTime_t (__time64_t t)
	Return the date extracted from the passed __time64_t. More...
time_stamp	getTimeStampFromTimePoint (sys_time_point tp)
	Return a time_stamp instance converted from the passed sys_time_point. More...
time_stamp	getTimeStampFromTime_t (__time64_t t)
	Return a time_stamp instance converted from the passed __time64_t. More...
sys_time_point	getTimePointFromTimeStamp (const time_stamp &ts)
	Convert a time_stamp to a sys_time_point. More...
__time64_t	getTime_tFromTimeStamp (const time_stamp &ts)
	Convert a time_stamp to a __time64_t. More...
double	to_double (sys_time_point tp)
	Convert a sys_time_point to a double. The double is returned in units of seconds. More...
sys_time_point	to_timePoint (double d)
	Convert a double to a sys_time_point assuming the double is in units of seconds. More...
size_t	getWeekDay (sys_time_point tp)
	Returns the weekday of the selected timepoint as an unsigned integer with Monday being 1u and Sunday 7u. More...
size_t	getWeekNum (sys_time_point tp)
	Returns the weeknum of the selected timepoint as an unsigned integer. More...
time_zone	getCurrentTimeZone ()
	Return the current time_zone of the system. More...

Typedef Documentation

sys_time_point

using sys_time_point = std::chrono::time_point<std::chrono::system_clock, std::chrono::microseconds>

This is a typedef for a custom system_clock time_point with microseconds precision.

Definition at line 60 of file datetimetools.hpp.

Function Documentation

dateFromTime_t()

date::year_month_day dateFromTime_t

(

__time64_t

t

)

Return the date extracted from the passed __time64_t.

Parameters

t	__time64_t

Returns

date::year_month_day

Definition at line 73 of file datetimetools.cpp.

References dateFromTimePoint().

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dateFromTimePoint()

date::year_month_day dateFromTimePoint

(

sys_time_point

tp

)

Return the date extracted from the passed sys_time_point.

Parameters

tp	sys_time_point

Returns

date::year_month_day

Definition at line 59 of file datetimetools.cpp.

Referenced by dateFromTime_t(), and getTimeStampFromTimePoint().

getCurrentTimeZone()

time_zone getCurrentTimeZone

(

)

Return the current time_zone of the system.

Returns

time_zone

Definition at line 235 of file datetimetools.cpp.

Referenced by strfnc_timeformat(), strfnc_to_time(), and toString().

getTime_tFromTimeStamp()

__time64_t getTime_tFromTimeStamp

(

const time_stamp &

ts

)

Convert a time_stamp to a __time64_t.

Parameters

ts	const time_stamp&

Returns

__time64_t

Definition at line 158 of file datetimetools.cpp.

References getTimePointFromTimeStamp().

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getTimePointFromTimeStamp()

sys_time_point getTimePointFromTimeStamp

(

const time_stamp &

ts

)

Convert a time_stamp to a sys_time_point.

Parameters

ts	const time_stamp&

Returns

sys_time_point

Definition at line 138 of file datetimetools.cpp.

References time_stamp::m_hours, time_stamp::m_microsecs, time_stamp::m_millisecs, time_stamp::m_minutes, time_stamp::m_seconds, and time_stamp::m_ymd.

Referenced by getTime_tFromTimeStamp(), strfnc_to_time(), StrToTime(), and windowSystemTimeToDouble().

getTimeStampFromTime_t()

time_stamp getTimeStampFromTime_t

(

__time64_t

t

)

Return a time_stamp instance converted from the passed __time64_t.

Parameters

t	__time64_t

Returns

time_stamp

Definition at line 122 of file datetimetools.cpp.

References getTimeStampFromTimePoint().

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getTimeStampFromTimePoint()

time_stamp getTimeStampFromTimePoint

(

sys_time_point

tp

)

Return a time_stamp instance converted from the passed sys_time_point.

Parameters

tp	sys_time_point

Returns

time_stamp

Definition at line 89 of file datetimetools.cpp.

References dateFromTimePoint(), time_stamp::m_hours, time_stamp::m_microsecs, time_stamp::m_millisecs, time_stamp::m_minutes, time_stamp::m_seconds, and time_stamp::m_ymd.

Referenced by getTimeStampFromTime_t(), parser_date(), strfnc_timeformat(), strfnc_to_time(), StrToTime(), and toString().

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getWeekDay()

size_t getWeekDay

(

sys_time_point

tp

)

Returns the weekday of the selected timepoint as an unsigned integer with Monday being 1u and Sunday 7u.

Parameters

tp	sys_time_point

Returns

size_t

Definition at line 206 of file datetimetools.cpp.

References date::weekday::iso_encoding().

Referenced by strfnc_weekday().

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getWeekNum()

size_t getWeekNum

(

sys_time_point

tp

)

Returns the weeknum of the selected timepoint as an unsigned integer.

Parameters

tp	sys_time_point

Returns

size_t

Definition at line 221 of file datetimetools.cpp.

Referenced by parser_weeknum().

sys_time_now()

sys_time_point sys_time_now

(

)

Returns the current time as a sys_time_point (i.e. a std::chrono::time_point with microseconds precision).

Returns

sys_time_point

Definition at line 45 of file datetimetools.cpp.

Referenced by parser_time(), DetachedLogger::push_line(), strfnc_to_time(), and StrToTime().

to_double()

double to_double

(

sys_time_point

tp

)

Convert a sys_time_point to a double. The double is returned in units of seconds.

Parameters

tp	sys_time_point

Returns

double

Definition at line 173 of file datetimetools.cpp.

Referenced by StringColumn::convert(), CategoricalColumn::convert(), CellValueShaderDialog::OnButtonClick(), parser_time(), DateTimeColumn::setValue(), NumeRe::Table::setValueAsString(), strfnc_textparse(), strfnc_to_time(), and windowSystemTimeToDouble().

to_timePoint()

sys_time_point to_timePoint

(

double

d

)

Convert a double to a sys_time_point assuming the double is in units of seconds.

Parameters

d

double

Returns

sys_time_point

Definition at line 187 of file datetimetools.cpp.

References mu::rint().

Referenced by DateTimeColumn::convert(), DateTimeColumn::getValueAsInternalString(), parser_date(), parser_weeknum(), strfnc_timeformat(), and strfnc_weekday().

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