gambas-source-code/main/gbx/gbx_date.h
Benoît Minisini 1cf354061c [INTERPRETER]
* BUG: Make CStr() and CDate() mutually coherent, by internally converting to UTC dates only.


git-svn-id: svn://localhost/gambas/trunk@7983 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2016-11-18 14:50:40 +00:00

109 lines
2.7 KiB
C

/***************************************************************************
gbx_date.h
(c) 2000-2013 Benoît Minisini <gambas@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#ifndef __GBX_DATE_H
#define __GBX_DATE_H
#ifndef GBX_INFO
#include <sys/time.h>
#include "gbx_value.h"
typedef
struct {
int year;
int month;
int day;
int hour;
int min;
int sec;
int weekday;
int msec;
}
DATE_SERIAL;
#ifndef __DATE_DECLARED
#define __DATE_DECLARED
typedef
struct {
int date;
int time;
}
DATE;
#endif
#endif
enum {
DP_MILLISECOND = 1,
DP_SECOND = 2,
DP_MINUTE = 3,
DP_HOUR = 4,
DP_DAY = 5,
DP_WEEK = 6,
DP_WEEKDAY = 7,
DP_MONTH = 8,
DP_QUARTER = 9,
DP_YEAR = 10,
};
#ifndef GBX_INFO
#define DATE_YEAR_MIN -4801
#define DATE_YEAR_MAX 9999
#define DATE_NDAY_BC 1753350
#define DATE_SERIAL_has_no_date(_date) ((_date)->year == 0)
#define DATE_SERIAL_has_no_time(_date) ((_date)->hour == 0 && (_date)->min == 0 && (_date)->sec == 0 && (_date)->msec == 0)
#define DATE_void_value(_value) ((_value)->type = T_DATE, (_value)->_date.time = (_value)->_date.date = 0)
void DATE_init(void);
void DATE_init_local(void);
int DATE_get_timezone(void);
DATE_SERIAL *DATE_split_local(VALUE *value, bool local);
#define DATE_split(_value) DATE_split_local(_value, TRUE)
bool DATE_make_local(DATE_SERIAL *date, VALUE *val, bool local);
#define DATE_make(_date, _value) DATE_make_local(_date, _value, TRUE)
void DATE_from_time(time_t time, int usec, VALUE *val);
void DATE_now(VALUE *val);
int DATE_to_string(char *buffer, VALUE *value);
bool DATE_from_string(const char *str, int len, VALUE *val, bool local);
int DATE_comp_value(VALUE *date1, VALUE *date2);
int DATE_comp(DATE *date1, DATE *date2);
double DATE_to_double(struct timeval *time, int from_start);
bool DATE_timer(double *result, int from_start);
void DATE_add(VALUE *date, int period, int val);
int DATE_diff(VALUE *date1, VALUE *date2, int period);
#endif
#endif