date Class Reference

datetime up to milliseconds More...

#include <date.h>

List of all members.

Public Member Functions

date (bool utc=false)

default constructor

date (const char *x, size_t len=os_minus_one)

constructor scans narrow string format

date (const wchar_t *x, size_t len=os_minus_one)

constructor scans wide string format

date (const double *x)

constructor from pointer to double

date (double x)

constructor from double

date (sb8_t x)

constructor from ticks in milliseconds from 1 A.D.

operator double () const

converts to double

operator sb8_t () const

converts to ticks in milliseconds from 1 A.D.

bool operator< (const date &x) const

less operator

bool operator== (const date &x) const

eqaul operator

bool operator!= (const date &x) const

non equal operator

bool operator<= (const date &x) const

less or equal operator

bool operator> (const date &x) const

greater operator

bool operator>= (const date &x) const

greater or equal operator

bool is_time_over (sb8_t x) const

checks if current time exceed the specified one

date & operator+= (sb8_t interval)

plus assign operator

date & operator-= (sb8_t interval)

minus assign operator

const char * get_date (char *buffer) const

narrow string format data

const wchar_t * get_date (wchar_t *buffer) const

wide string format data

const char * get_date_only (char *buffer, const char *format) const

narrow string format data

const wchar_t * get_date_only (wchar_t *buffer, const wchar_t *format) const

wide string format data

Static Public Member Functions

static bool convert_to (ub4_t year, ub1_t month, ub1_t day, ub1_t hour, ub1_t minute, ub1_t second, ub2_t millisec, sb8_t &dt)

converts from struct members to ticks

static bool convert_from (sb8_t dt, ub4_t &year, ub1_t &month, ub1_t &day, ub1_t &hour, ub1_t &minute, ub1_t &second, ub2_t &millisec, ub1_t &wday, ub2_t &yday)

converts from ticks to struct members

static sb8_t get_difference (sb8_t old_date)

gets the difference between current time and the specified one

Private Member Functions

void set_date (const char *x)

sets the date from formatted narrow string "%d-%02d-%02d %02d-%02d-%02d.%04d"

void set_date (const wchar_t *x)

sets the date from formatted wide string "%d-%02d-%02d %02d-%02d-%02d.%04d"

void set_double (double x)

sets date from double

Static Private Member Functions

static bool scan_buffer (const char *&x, size_t count, size_t delimeter_size, sb4_t &dest)

scans buffer of narrow chars moving pointer on count chars forward

static bool scan_buffer (const wchar_t *&x, size_t count, size_t delimeter_size, sb4_t &dest)

scans buffer of narrow chars moving pointer on count chars forward

Private Attributes

sb8_t _ticks

ticks in millisecond after 1 January 0000, midnight (negative value means before)

Static Private Attributes

static ub2_t _month_days [13]

static array of days in month

static const sb8_t _70years = 25569

days in 70 years

static const sb8_t _1899years = 693959

days from 0 year A.D. to 12 December 1899

static const sb8_t _daymillisecond = 86400000

millisecond in one day

Detailed Description

datetime up to milliseconds

Definition at line 38 of file date.h.

Constructor & Destructor Documentation

date::date ( bool utc = false )

default constructor

Definition at line 48 of file date.cpp.

References _1899years, _70years, _daymillisecond, and _ticks.

Referenced by get_difference().

date::date	(	const char *	x,
		size_t	len = `os_minus_one`
	)

constructor scans narrow string format

Parameters:

x	input
len	input length

Definition at line 67 of file date.cpp.

References os_minus_one, set_date(), str_template::strcpy(), and str_template::strlen().

date::date	(	const wchar_t *	x,
		size_t	len = `os_minus_one`
	)

constructor scans wide string format

Parameters:

x	input
len	input length

Definition at line 79 of file date.cpp.

References os_minus_one, set_date(), str_template::strcpy(), and str_template::strlen().

date::date ( const double * x )

constructor from pointer to double

Parameters:

x

input

Definition at line 97 of file date.cpp.

References set_double().

date::date ( double x )

constructor from double

Parameters:

x

input

Definition at line 104 of file date.cpp.

References set_double().

date::date ( sb8_t x )

constructor from ticks in milliseconds from 1 A.D.

Parameters:

x

input

Definition at line 91 of file date.cpp.

References _ticks.

Member Function Documentation

date::operator double ( ) const

converts to double

Definition at line 110 of file date.cpp.

References _1899years, _daymillisecond, and _ticks.

date::operator sb8_t ( ) const

converts to ticks in milliseconds from 1 A.D.

Definition at line 126 of file date.cpp.

References _ticks.

bool date::convert_to	(	ub4_t	year,
		ub1_t	month,
		ub1_t	day,
		ub1_t	hour,
		ub1_t	minute,
		ub1_t	second,
		ub2_t	millisec,
		sb8_t &	dt
	)			`[static]`

converts from struct members to ticks

Parameters:

year	year [0 : 1000000]
month	month [1-12]
day	day [1-31]
hour	hour [0-23]
minute	minute [0-59]
second	second [0-59]
millisec	millisecond [0-999]
dt	[out] ticks in miiliseconds since 1A.D.

Definition at line 197 of file date.cpp.

References _daymillisecond, and _month_days.

Referenced by binder::set_as_date(), set_date(), orcl_dbserver::v_convert_one_value(), odbc_dbserver::v_convert_one_value(), mysql_dbserver::v_convert_one_value(), orcl_dbserver::v_rebind_one_param(), odbc_dbserver::v_rebind_one_param(), and mysql_dbserver::v_rebind_one_param().

bool date::convert_from	(	sb8_t	dt,
		ub4_t &	year,
		ub1_t &	month,
		ub1_t &	day,
		ub1_t &	hour,
		ub1_t &	minute,
		ub1_t &	second,
		ub2_t &	millisec,
		ub1_t &	wday,
		ub2_t &	yday
	)			`[static]`

converts from ticks to struct members

Parameters:

dt	ticks ticks in miiliseconds since 1A.D.
year	[out] year [0 : 1000000]
month	[out] month [1-12]
day	[out] day [1-31]
hour	[out] hour [0-23]
minute	[out] minute [0-59]
second	[out] second [0-59]
millisec	[out] millisecond [0-999]
wday	[out] day of week [1-7]
yday	[out] day of year [1-366]

Definition at line 251 of file date.cpp.

References _daymillisecond, and _month_days.

Referenced by get_date(), get_date_only(), dbserver_impl::get_param_as_date(), memlookup::get_value_as_date(), terimber_db_value_vector_impl::get_value_as_date(), dbserver_impl::get_value_as_date(), orcl_dbserver::v_bind_one_param(), odbc_dbserver::v_bind_one_param(), and mysql_dbserver::v_bind_one_param().

bool date::operator< ( const date & x ) const

less operator

Definition at line 132 of file date.cpp.

References _ticks.

bool date::operator== ( const date & x ) const

eqaul operator

Definition at line 144 of file date.cpp.

References _ticks.

bool date::operator!= ( const date & x ) const

non equal operator

Definition at line 138 of file date.cpp.

References _ticks.

bool date::operator<= ( const date & x ) const

less or equal operator

Definition at line 150 of file date.cpp.

References _ticks.

bool date::operator> ( const date & x ) const

greater operator

Definition at line 156 of file date.cpp.

References _ticks.

bool date::operator>= ( const date & x ) const

greater or equal operator

Definition at line 162 of file date.cpp.

References _ticks.

bool date::is_time_over ( sb8_t x ) const

checks if current time exceed the specified one

Parameters:

x	input time

Definition at line 168 of file date.cpp.

References _ticks, and get_difference().

Referenced by msg_connection::is_last_activity_timeout().

sb8_t date::get_difference ( sb8_t old_date ) [static]

gets the difference between current time and the specified one

Parameters:

old_date

input time

Definition at line 176 of file date.cpp.

References date().

Referenced by keylocker::enter(), is_time_over(), and keylocker::lock().

date & date::operator+= ( sb8_t interval )

plus assign operator

Definition at line 182 of file date.cpp.

References _ticks.

date & date::operator-= ( sb8_t interval )

minus assign operator

Definition at line 189 of file date.cpp.

References _ticks.

const char * date::get_date ( char * buffer ) const

narrow string format data

Parameters:

buffer

[out] preallocated buffer

Definition at line 364 of file date.cpp.

References _ticks, convert_from(), and str_template::strprint().

Referenced by daemon::log_message(), msg_communicator::log_msg(), and persist_value().

const wchar_t * date::get_date ( wchar_t * buffer ) const

wide string format data

Parameters:

buffer

[out] preallocated buffer

Definition at line 378 of file date.cpp.

References _ticks, convert_from(), str_template::strformat(), and str_template::strprint().

const char * date::get_date_only	(	char *	buffer,
		const char *	format
	)			const

narrow string format data

Parameters:

buffer	[out] preallocated buffer
format	format for 3 integers, year, month, day like "%d-%02d-%02d"

Definition at line 395 of file date.cpp.

References _ticks, convert_from(), and str_template::strprint().

const wchar_t * date::get_date_only	(	wchar_t *	buffer,
		const wchar_t *	format
	)			const

wide string format data

Parameters:

buffer	[out] preallocated buffer
format	format for 3 integers, year, month, day like "%d-%02d-%02d"

Definition at line 409 of file date.cpp.

References _ticks, convert_from(), str_template::strformat(), and str_template::strprint().

void date::set_date ( const char * x ) [private]

sets the date from formatted narrow string "%d-%02d-%02d %02d-%02d-%02d.%04d"

Parameters:

x

input

Definition at line 451 of file date.cpp.

References _ticks, convert_to(), and scan_buffer().

Referenced by date().

void date::set_date ( const wchar_t * x ) [private]

sets the date from formatted wide string "%d-%02d-%02d %02d-%02d-%02d.%04d"

Parameters:

x

input

Definition at line 476 of file date.cpp.

References _ticks, convert_to(), and scan_buffer().

bool date::scan_buffer	(	const char *&	x,
		size_t	count,
		size_t	delimeter_size,
		sb4_t &	dest
	)			`[static, private]`

scans buffer of narrow chars moving pointer on count chars forward

Parameters:

x	input narrow string
count	chars for scan
delimeter_size	delimeter size
dest	[out] signed integer

Definition at line 426 of file date.cpp.

References str_template::strscan().

Referenced by set_date().

bool date::scan_buffer	(	const wchar_t *&	x,
		size_t	count,
		size_t	delimeter_size,
		sb4_t &	dest
	)			`[static, private]`

scans buffer of narrow chars moving pointer on count chars forward

Parameters:

x	input wide string
count	chars for scan
delimeter_size	delimeter size
dest	[out] signed integer

Definition at line 439 of file date.cpp.

References str_template::strscan().

void date::set_double ( double x ) [private]

sets date from double

Parameters:

x

input

Definition at line 119 of file date.cpp.

References _1899years, _daymillisecond, and _ticks.

Referenced by date().

Member Data Documentation

sb8_t date::_ticks [private]

ticks in millisecond after 1 January 0000, midnight (negative value means before)

Definition at line 175 of file date.h.

Referenced by date(), get_date(), get_date_only(), is_time_over(), operator double(), operator sb8_t(), operator!=(), operator+=(), operator-=(), operator<(), operator<=(), operator==(), operator>(), operator>=(), set_date(), and set_double().

ub2_t date::_month_days [static, private]

Initial value:

        {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365}

static array of days in month

Definition at line 176 of file date.h.

Referenced by convert_from(), and convert_to().

BEGIN_TERIMBER_NAMESPACE const sb8_t date::_70years = 25569 [static, private]

days in 70 years

Definition at line 177 of file date.h.

Referenced by date().

const sb8_t date::_1899years = 693959 [static, private]

days from 0 year A.D. to 12 December 1899

Definition at line 178 of file date.h.

Referenced by date(), operator double(), and set_double().

const sb8_t date::_daymillisecond = 86400000 [static, private]

millisecond in one day

Definition at line 179 of file date.h.

Referenced by convert_from(), convert_to(), date(), operator double(), and set_double().

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