#ifndef __G_DATE_H__
#define __G_DATE_H__
#include <glib/gquark.h>
G_BEGIN_DECLS
typedef gint32 GTime;
typedef guint16 GDateYear;
typedef guint8 GDateDay;
typedef struct _GDate GDate;
struct tm;
typedef enum
{
G_DATE_DAY = 0,
G_DATE_MONTH = 1,
G_DATE_YEAR = 2
} GDateDMY;
typedef enum
{
G_DATE_BAD_WEEKDAY = 0,
G_DATE_MONDAY = 1,
G_DATE_TUESDAY = 2,
G_DATE_WEDNESDAY = 3,
G_DATE_THURSDAY = 4,
G_DATE_FRIDAY = 5,
G_DATE_SATURDAY = 6,
G_DATE_SUNDAY = 7
} GDateWeekday;
typedef enum
{
G_DATE_BAD_MONTH = 0,
G_DATE_JANUARY = 1,
G_DATE_FEBRUARY = 2,
G_DATE_MARCH = 3,
G_DATE_APRIL = 4,
G_DATE_MAY = 5,
G_DATE_JUNE = 6,
G_DATE_JULY = 7,
G_DATE_AUGUST = 8,
G_DATE_SEPTEMBER = 9,
G_DATE_OCTOBER = 10,
G_DATE_NOVEMBER = 11,
G_DATE_DECEMBER = 12
} GDateMonth;
#define G_DATE_BAD_JULIAN 0U
#define G_DATE_BAD_DAY 0U
#define G_DATE_BAD_YEAR 0U
struct _GDate
{
guint julian_days : 32;
guint julian : 1;
guint dmy : 1;
guint day : 6;
guint month : 4;
guint year : 16;
};
GDate* g_date_new (void);
GDate* g_date_new_dmy (GDateDay day,
GDateMonth month,
GDateYear year);
GDate* g_date_new_julian (guint32 julian_day);
void g_date_free (GDate *date);
gboolean g_date_valid (const GDate *date);
gboolean g_date_valid_day (GDateDay day) G_GNUC_CONST;
gboolean g_date_valid_month (GDateMonth month) G_GNUC_CONST;
gboolean g_date_valid_year (GDateYear year) G_GNUC_CONST;
gboolean g_date_valid_weekday (GDateWeekday weekday) G_GNUC_CONST;
gboolean g_date_valid_julian (guint32 julian_date) G_GNUC_CONST;
gboolean g_date_valid_dmy (GDateDay day,
GDateMonth month,
GDateYear year) G_GNUC_CONST;
GDateWeekday g_date_get_weekday (const GDate *date);
GDateMonth g_date_get_month (const GDate *date);
GDateYear g_date_get_year (const GDate *date);
GDateDay g_date_get_day (const GDate *date);
guint32 g_date_get_julian (const GDate *date);
guint g_date_get_day_of_year (const GDate *date);
guint g_date_get_monday_week_of_year (const GDate *date);
guint g_date_get_sunday_week_of_year (const GDate *date);
void g_date_clear (GDate *date,
guint n_dates);
void g_date_set_parse (GDate *date,
const gchar *str);
void g_date_set_time (GDate *date,
GTime time_);
void g_date_set_month (GDate *date,
GDateMonth month);
void g_date_set_day (GDate *date,
GDateDay day);
void g_date_set_year (GDate *date,
GDateYear year);
void g_date_set_dmy (GDate *date,
GDateDay day,
GDateMonth month,
GDateYear y);
void g_date_set_julian (GDate *date,
guint32 julian_date);
gboolean g_date_is_first_of_month (const GDate *date);
gboolean g_date_is_last_of_month (const GDate *date);
void g_date_add_days (GDate *date,
guint n_days);
void g_date_subtract_days (GDate *date,
guint n_days);
void g_date_add_months (GDate *date,
guint n_months);
void g_date_subtract_months (GDate *date,
guint n_months);
void g_date_add_years (GDate *date,
guint n_years);
void g_date_subtract_years (GDate *date,
guint n_years);
gboolean g_date_is_leap_year (GDateYear year) G_GNUC_CONST;
guint8 g_date_get_days_in_month (GDateMonth month,
GDateYear year) G_GNUC_CONST;
guint8 g_date_get_monday_weeks_in_year (GDateYear year) G_GNUC_CONST;
guint8 g_date_get_sunday_weeks_in_year (GDateYear year) G_GNUC_CONST;
gint g_date_days_between (const GDate *date1,
const GDate *date2);
gint g_date_compare (const GDate *lhs,
const GDate *rhs);
void g_date_to_struct_tm (const GDate *date,
struct tm *tm);
void g_date_clamp (GDate *date,
const GDate *min_date,
const GDate *max_date);
void g_date_order (GDate *date1, GDate *date2);
gsize g_date_strftime (gchar *s,
gsize slen,
const gchar *format,
const GDate *date);
#ifndef G_DISABLE_DEPRECATED
#define g_date_weekday g_date_get_weekday
#define g_date_month g_date_get_month
#define g_date_year g_date_get_year
#define g_date_day g_date_get_day
#define g_date_julian g_date_get_julian
#define g_date_day_of_year g_date_get_day_of_year
#define g_date_monday_week_of_year g_date_get_monday_week_of_year
#define g_date_sunday_week_of_year g_date_get_sunday_week_of_year
#define g_date_days_in_month g_date_get_days_in_month
#define g_date_monday_weeks_in_year g_date_get_monday_weeks_in_year
#define g_date_sunday_weeks_in_year g_date_get_sunday_weeks_in_year
#endif
G_END_DECLS
#endif