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Rely on GDate::dmy and GDate::Julian flags, rather than re-checking the

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1998-12-02  Havoc Pennington  <hp@pobox.com>

* gdate.c (g_date_valid): Rely on GDate::dmy and GDate::Julian
flags, rather than re-checking the validity of the actual
values. This should be the correct behavior, the old way was
leftover cruft.

* glib.h, gdate.c: Changed MDY to DMY throughout.
This commit is contained in:
Havoc Pennington 1998-12-02 18:47:10 +00:00 committed by Havoc Pennington
parent beab982e3b
commit dca6fcb59c
4 changed files with 220 additions and 254 deletions
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211
gdate.c
View File

@ -33,15 +33,15 @@ g_date_new ()
}
GDate*
g_date_new_mdy (GDateMonth m, GDateDay day, GDateYear y)
g_date_new_dmy (GDateDay day, GDateMonth m, GDateYear y)
{
GDate *d;
g_return_val_if_fail (g_date_valid_mdy (m, day, y), NULL);
g_return_val_if_fail (g_date_valid_dmy (day, m, y), NULL);
d = g_new (GDate, 1);
d->julian = FALSE;
d->mdy = TRUE;
d->dmy = TRUE;
d->month = m;
d->day = day;
@ -61,7 +61,7 @@ g_date_new_julian (guint32 j)
d = g_new (GDate, 1);
d->julian = TRUE;
d->mdy = FALSE;
d->dmy = FALSE;
d->julian_days = j;
@ -78,29 +78,12 @@ g_date_free (GDate *d)
g_free (d);
}
gboolean
g_date_valid (GDate *d)
{
g_return_val_if_fail (d != NULL, FALSE);
if (d->julian && d->mdy)
{
return ( g_date_valid_julian (d->julian_days) &&
g_date_valid_mdy (d->month, d->day, d->year) );
}
else if (d->mdy)
{
return g_date_valid_mdy (d->month, d->day, d->year);
}
else if (d->julian)
{
return g_date_valid_julian (d->julian_days);
}
else
return FALSE;
return (d->julian || d->dmy);
}
static const guint8 days_in_months[2][13] =
@ -146,8 +129,8 @@ g_date_valid_julian (guint32 j)
}
gboolean
g_date_valid_mdy (GDateMonth m,
GDateDay d,
g_date_valid_dmy (GDateDay d,
GDateMonth m,
GDateYear y)
{
return ( (m > G_DATE_BAD_MONTH) &&
@ -169,9 +152,9 @@ g_date_update_julian (GDate *d)
gint index;
g_return_if_fail (d != NULL);
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
g_return_if_fail (!d->julian);
g_return_if_fail (g_date_valid_mdy (d->month, d->day, d->year));
g_return_if_fail (g_date_valid_dmy (d->day, d->month, d->year));
/* What we actually do is: multiply years * 365 days in the year,
* add the number of years divided by 4, subtract the number of
@ -197,7 +180,7 @@ g_date_update_julian (GDate *d)
}
static void
g_date_update_mdy (GDate *d)
g_date_update_dmy (GDate *d)
{
GDateYear y;
GDateMonth m;
@ -207,7 +190,7 @@ g_date_update_mdy (GDate *d)
g_return_if_fail (d != NULL);
g_return_if_fail (d->julian);
g_return_if_fail (!d->mdy);
g_return_if_fail (!d->dmy);
g_return_if_fail (g_date_valid_julian (d->julian_days));
/* Formula taken from the Calendar FAQ; the formula was for the
@ -230,10 +213,10 @@ g_date_update_mdy (GDate *d)
y = 100 * B + D - 4800 + (M/10);
#ifdef G_ENABLE_DEBUG
if (!g_date_valid_mdy (m, day, y))
if (!g_date_valid_dmy (day, m, y))
{
g_warning ("\nOOPS julian: %u computed mdy: %u %u %u\n",
d->julian_days, m, day, y);
g_warning ("\nOOPS julian: %u computed dmy: %u %u %u\n",
d->julian_days, day, m, y);
}
#endif
@ -241,7 +224,7 @@ g_date_update_mdy (GDate *d)
d->day = day;
d->year = y;
d->mdy = TRUE;
d->dmy = TRUE;
}
GDateWeekday
@ -265,11 +248,11 @@ g_date_month (GDate *d)
g_return_val_if_fail (d != NULL, G_DATE_BAD_MONTH);
g_return_val_if_fail (g_date_valid (d), G_DATE_BAD_MONTH);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, G_DATE_BAD_MONTH);
g_return_val_if_fail (d->dmy, G_DATE_BAD_MONTH);
return d->month;
}
@ -280,11 +263,11 @@ g_date_year (GDate *d)
g_return_val_if_fail (d != NULL, G_DATE_BAD_YEAR);
g_return_val_if_fail (g_date_valid (d), G_DATE_BAD_YEAR);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, G_DATE_BAD_YEAR);
g_return_val_if_fail (d->dmy, G_DATE_BAD_YEAR);
return d->year;
}
@ -295,11 +278,11 @@ g_date_day (GDate *d)
g_return_val_if_fail (d != NULL, G_DATE_BAD_DAY);
g_return_val_if_fail (g_date_valid (d), G_DATE_BAD_DAY);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, G_DATE_BAD_DAY);
g_return_val_if_fail (d->dmy, G_DATE_BAD_DAY);
return d->day;
}
@ -327,11 +310,11 @@ g_date_day_of_year (GDate *d)
g_return_val_if_fail (d != NULL, 0);
g_return_val_if_fail (g_date_valid (d), 0);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, 0);
g_return_val_if_fail (d->dmy, 0);
index = g_date_is_leap_year (d->year) ? 1 : 0;
@ -348,15 +331,15 @@ g_date_monday_week_of_year (GDate *d)
g_return_val_if_fail (d != NULL, 0);
g_return_val_if_fail (g_date_valid (d), 0);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, 0);
g_return_val_if_fail (d->dmy, 0);
g_date_clear (&first, 1);
g_date_set_mdy (&first, 1, 1, d->year);
g_date_set_dmy (&first, 1, 1, d->year);
wd = g_date_weekday (&first) - 1; /* make Monday day 0 */
day = g_date_day_of_year (d) - 1;
@ -374,15 +357,15 @@ g_date_sunday_week_of_year (GDate *d)
g_return_val_if_fail (d != NULL, 0);
g_return_val_if_fail (g_date_valid (d), 0);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, 0);
g_return_val_if_fail (d->dmy, 0);
g_date_clear (&first, 1);
g_date_set_mdy (&first, 1, 1, d->year);
g_date_set_dmy (&first, 1, 1, d->year);
wd = g_date_weekday (&first);
if (wd == 7) wd = 0; /* make Sunday day 0 */
@ -419,9 +402,9 @@ static gchar *short_month_names[13] =
static gchar *current_locale = NULL;
/* order of these in the current locale */
static GDateMDY mdy_order[3] =
static GDateDMY dmy_order[3] =
{
G_DATE_MONTH, G_DATE_DAY, G_DATE_YEAR
G_DATE_DAY, G_DATE_MONTH, G_DATE_YEAR
};
/* Where to chop two-digit years: i.e., for the 1930 default, numbers
@ -553,7 +536,7 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
while (i < 13)
{
g_date_set_mdy (&d, i, 1, 1);
g_date_set_dmy (&d, 1, i, 1);
g_return_if_fail (g_date_valid (&d));
@ -572,9 +555,9 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
++i;
}
/* Determine MDY order */
/* Determine DMY order */
g_date_set_mdy (&d, 7, 4, 1776); /* had to pick a random day */
g_date_set_dmy (&d, 4, 7, 1776); /* had to pick a random day */
g_date_strftime (buf, 127, "%x", &d);
@ -586,15 +569,15 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
switch (testpt.n[i])
{
case 7:
mdy_order[i] = G_DATE_MONTH;
dmy_order[i] = G_DATE_MONTH;
break;
case 4:
mdy_order[i] = G_DATE_DAY;
dmy_order[i] = G_DATE_DAY;
break;
case 76:
using_twodigit_years = TRUE; /* FALL THRU */
case 1776:
mdy_order[i] = G_DATE_YEAR;
dmy_order[i] = G_DATE_YEAR;
break;
default:
/* leave it unchanged */
@ -620,7 +603,7 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
i = 0;
while (i < 3)
{
switch (mdy_order[i])
switch (dmy_order[i])
{
case G_DATE_MONTH:
strings[i] = "Month";
@ -677,7 +660,7 @@ g_date_set_parse (GDate *d,
while (i < pt.num_ints && j < 3)
{
switch (mdy_order[j])
switch (dmy_order[j])
{
case G_DATE_MONTH:
{
@ -727,7 +710,7 @@ g_date_set_parse (GDate *d,
}
if (pt.num_ints == 3 && !g_date_valid_mdy (m, day, y))
if (pt.num_ints == 3 && !g_date_valid_dmy (day, m, y))
{
/* Try YYYY MM DD */
y = pt.n[0];
@ -771,16 +754,16 @@ g_date_set_parse (GDate *d,
/* See if we got anything valid out of all this. */
/* y < 8000 is to catch 19998 style typos; the library is OK up to 65535 or so */
if (y < 8000 && g_date_valid_mdy (m, day, y))
if (y < 8000 && g_date_valid_dmy (day, m, y))
{
d->month = m;
d->day = day;
d->year = y;
d->mdy = TRUE;
d->dmy = TRUE;
}
#ifdef G_ENABLE_DEBUG
else
g_message ("Rejected MDY %u %u %u", m, day, y);
g_message ("Rejected DMY %u %u %u", day, m, y);
#endif
}
@ -803,9 +786,9 @@ g_date_set_time (GDate *d,
d->day = tm->tm_mday;
d->year = tm->tm_year + 1900;
g_return_if_fail (g_date_valid_mdy (d->month, d->day, d->year));
g_return_if_fail (g_date_valid_dmy (d->day, d->month, d->year));
d->mdy = TRUE;
d->dmy = TRUE;
}
else
{
@ -824,10 +807,10 @@ g_date_set_month (GDate *d,
d->month = m;
if (g_date_valid_mdy (d->month, d->day, d->year))
d->mdy = TRUE;
if (g_date_valid_dmy (d->day, d->month, d->year))
d->dmy = TRUE;
else
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -841,10 +824,10 @@ g_date_set_day (GDate *d,
d->day = day;
if (g_date_valid_mdy (d->month, d->day, d->year))
d->mdy = TRUE;
if (g_date_valid_dmy (d->day, d->month, d->year))
d->dmy = TRUE;
else
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -858,20 +841,20 @@ g_date_set_year (GDate *d,
d->year = y;
if (g_date_valid_mdy (d->month, d->day, d->year))
d->mdy = TRUE;
if (g_date_valid_dmy (d->day, d->month, d->year))
d->dmy = TRUE;
else
d->mdy = FALSE;
d->dmy = FALSE;
}
void
g_date_set_mdy (GDate *d,
GDateMonth m,
g_date_set_dmy (GDate *d,
GDateDay day,
GDateMonth m,
GDateYear y)
{
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid_mdy (m, day, y));
g_return_if_fail (g_date_valid_dmy (day, m, y));
d->julian = FALSE;
@ -879,7 +862,7 @@ g_date_set_mdy (GDate *d,
d->day = day;
d->year = y;
d->mdy = TRUE;
d->dmy = TRUE;
}
void
@ -890,7 +873,7 @@ g_date_set_julian (GDate *d, guint32 j)
d->julian_days = j;
d->julian = TRUE;
d->mdy = FALSE;
d->dmy = FALSE;
}
@ -900,11 +883,11 @@ g_date_is_first_of_month (GDate *d)
g_return_val_if_fail (d != NULL, FALSE);
g_return_val_if_fail (g_date_valid (d), FALSE);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, FALSE);
g_return_val_if_fail (d->dmy, FALSE);
if (d->day == 1) return TRUE;
else return FALSE;
@ -918,11 +901,11 @@ g_date_is_last_of_month (GDate *d)
g_return_val_if_fail (d != NULL, FALSE);
g_return_val_if_fail (g_date_valid (d), FALSE);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, FALSE);
g_return_val_if_fail (d->dmy, FALSE);
index = g_date_is_leap_year (d->year) ? 1 : 0;
@ -943,7 +926,7 @@ g_date_add_days (GDate *d, guint ndays)
g_return_if_fail (d->julian);
d->julian_days += ndays;
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -960,7 +943,7 @@ g_date_subtract_days (GDate *d, guint ndays)
g_return_if_fail (d->julian_days > ndays);
d->julian_days -= ndays;
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -973,11 +956,11 @@ g_date_add_months (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
nmonths += d->month - 1;
@ -1007,11 +990,11 @@ g_date_subtract_months (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
years = nmonths/12;
months = nmonths%12;
@ -1045,11 +1028,11 @@ g_date_add_years (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
d->year += nyears;
@ -1071,11 +1054,11 @@ g_date_subtract_years (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
g_return_if_fail (d->year > nyears);
d->year -= nyears;
@ -1123,15 +1106,15 @@ g_date_monday_weeks_in_year (GDateYear year)
g_return_val_if_fail (g_date_valid_year (year), 0);
g_date_clear (&d, 1);
g_date_set_mdy (&d, 1, 1, year);
g_date_set_dmy (&d, 1, 1, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
g_date_set_mdy (&d, 12, 31, year);
g_date_set_dmy (&d, 31, 12, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
if (g_date_is_leap_year (year))
{
g_date_set_mdy (&d, 1, 2, year);
g_date_set_dmy (&d, 2, 1, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
g_date_set_mdy (&d, 12, 30, year);
g_date_set_dmy (&d, 30, 12, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
}
return 52;
@ -1145,15 +1128,15 @@ g_date_sunday_weeks_in_year (GDateYear year)
g_return_val_if_fail (g_date_valid_year (year), 0);
g_date_clear (&d, 1);
g_date_set_mdy (&d, 1, 1, year);
g_date_set_dmy (&d, 1, 1, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
g_date_set_mdy (&d, 12, 31, year);
g_date_set_dmy (&d, 31, 12, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
if (g_date_is_leap_year (year))
{
g_date_set_mdy (&d, 1, 2, year);
g_date_set_dmy (&d, 2, 1, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
g_date_set_mdy (&d, 12, 30, year);
g_date_set_dmy (&d, 30, 12, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
}
return 52;
@ -1179,7 +1162,7 @@ g_date_compare (GDate *lhs,
else if (lhs->julian_days > rhs->julian_days) return 1;
else return 0;
}
else if (lhs->mdy && rhs->mdy)
else if (lhs->dmy && rhs->dmy)
{
if (lhs->year < rhs->year) return -1;
else if (lhs->year > rhs->year) return 1;
@ -1220,11 +1203,11 @@ g_date_to_struct_tm (GDate *d,
g_return_if_fail (g_date_valid (d));
g_return_if_fail (tm != NULL);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
/* zero all the irrelevant fields to be sure they're valid */

26
glib.h
View File

@ -2044,10 +2044,10 @@ void g_completion_free (GCompletion* cmp);
*/
typedef enum {
G_DATE_MONTH = 0,
G_DATE_DAY = 1,
G_DATE_DAY = 0,
G_DATE_MONTH = 1,
G_DATE_YEAR = 2
} GDateMDY;
} GDateDMY;
/* These other types specify the actual values. */
@ -2101,11 +2101,11 @@ struct _GDate {
*/
guint julian : 1; /* julian is valid */
guint mdy : 1; /* mdy is valid */
guint dmy : 1; /* dmy is valid */
/* MDY representation */
guint month : 4;
/* DMY representation */
guint day : 6;
guint month : 4;
guint year : 16;
};
@ -2115,8 +2115,8 @@ struct _GDate {
*/
GDate* g_date_new (void);
GDate* g_date_new_mdy (GDateMonth m,
GDateDay d,
GDate* g_date_new_dmy (GDateDay d,
GDateMonth m,
GDateYear y);
GDate* g_date_new_julian (guint32 julian_day);
void g_date_free (GDate *d);
@ -2128,13 +2128,13 @@ void g_date_free (GDate *d);
*/
gboolean g_date_valid (GDate *d);
gboolean g_date_valid_day (GDateDay d);
gboolean g_date_valid_month (GDateMonth m);
gboolean g_date_valid_year (GDateYear y);
gboolean g_date_valid_day (GDateDay d);
gboolean g_date_valid_weekday (GDateWeekday w);
gboolean g_date_valid_julian (guint32 j);
gboolean g_date_valid_mdy (GDateMonth m,
GDateDay d,
gboolean g_date_valid_dmy (GDateDay d,
GDateMonth m,
GDateYear y);
GDateWeekday g_date_weekday (GDate *d);
@ -2178,9 +2178,9 @@ void g_date_set_day (GDate *d,
GDateDay day);
void g_date_set_year (GDate *d,
GDateYear y);
void g_date_set_mdy (GDate *d,
GDateMonth m,
void g_date_set_dmy (GDate *d,
GDateDay day,
GDateMonth m,
GDateYear y);
void g_date_set_julian (GDate *d,

211
glib/gdate.c
View File

@ -33,15 +33,15 @@ g_date_new ()
}
GDate*
g_date_new_mdy (GDateMonth m, GDateDay day, GDateYear y)
g_date_new_dmy (GDateDay day, GDateMonth m, GDateYear y)
{
GDate *d;
g_return_val_if_fail (g_date_valid_mdy (m, day, y), NULL);
g_return_val_if_fail (g_date_valid_dmy (day, m, y), NULL);
d = g_new (GDate, 1);
d->julian = FALSE;
d->mdy = TRUE;
d->dmy = TRUE;
d->month = m;
d->day = day;
@ -61,7 +61,7 @@ g_date_new_julian (guint32 j)
d = g_new (GDate, 1);
d->julian = TRUE;
d->mdy = FALSE;
d->dmy = FALSE;
d->julian_days = j;
@ -78,29 +78,12 @@ g_date_free (GDate *d)
g_free (d);
}
gboolean
g_date_valid (GDate *d)
{
g_return_val_if_fail (d != NULL, FALSE);
if (d->julian && d->mdy)
{
return ( g_date_valid_julian (d->julian_days) &&
g_date_valid_mdy (d->month, d->day, d->year) );
}
else if (d->mdy)
{
return g_date_valid_mdy (d->month, d->day, d->year);
}
else if (d->julian)
{
return g_date_valid_julian (d->julian_days);
}
else
return FALSE;
return (d->julian || d->dmy);
}
static const guint8 days_in_months[2][13] =
@ -146,8 +129,8 @@ g_date_valid_julian (guint32 j)
}
gboolean
g_date_valid_mdy (GDateMonth m,
GDateDay d,
g_date_valid_dmy (GDateDay d,
GDateMonth m,
GDateYear y)
{
return ( (m > G_DATE_BAD_MONTH) &&
@ -169,9 +152,9 @@ g_date_update_julian (GDate *d)
gint index;
g_return_if_fail (d != NULL);
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
g_return_if_fail (!d->julian);
g_return_if_fail (g_date_valid_mdy (d->month, d->day, d->year));
g_return_if_fail (g_date_valid_dmy (d->day, d->month, d->year));
/* What we actually do is: multiply years * 365 days in the year,
* add the number of years divided by 4, subtract the number of
@ -197,7 +180,7 @@ g_date_update_julian (GDate *d)
}
static void
g_date_update_mdy (GDate *d)
g_date_update_dmy (GDate *d)
{
GDateYear y;
GDateMonth m;
@ -207,7 +190,7 @@ g_date_update_mdy (GDate *d)
g_return_if_fail (d != NULL);
g_return_if_fail (d->julian);
g_return_if_fail (!d->mdy);
g_return_if_fail (!d->dmy);
g_return_if_fail (g_date_valid_julian (d->julian_days));
/* Formula taken from the Calendar FAQ; the formula was for the
@ -230,10 +213,10 @@ g_date_update_mdy (GDate *d)
y = 100 * B + D - 4800 + (M/10);
#ifdef G_ENABLE_DEBUG
if (!g_date_valid_mdy (m, day, y))
if (!g_date_valid_dmy (day, m, y))
{
g_warning ("\nOOPS julian: %u computed mdy: %u %u %u\n",
d->julian_days, m, day, y);
g_warning ("\nOOPS julian: %u computed dmy: %u %u %u\n",
d->julian_days, day, m, y);
}
#endif
@ -241,7 +224,7 @@ g_date_update_mdy (GDate *d)
d->day = day;
d->year = y;
d->mdy = TRUE;
d->dmy = TRUE;
}
GDateWeekday
@ -265,11 +248,11 @@ g_date_month (GDate *d)
g_return_val_if_fail (d != NULL, G_DATE_BAD_MONTH);
g_return_val_if_fail (g_date_valid (d), G_DATE_BAD_MONTH);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, G_DATE_BAD_MONTH);
g_return_val_if_fail (d->dmy, G_DATE_BAD_MONTH);
return d->month;
}
@ -280,11 +263,11 @@ g_date_year (GDate *d)
g_return_val_if_fail (d != NULL, G_DATE_BAD_YEAR);
g_return_val_if_fail (g_date_valid (d), G_DATE_BAD_YEAR);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, G_DATE_BAD_YEAR);
g_return_val_if_fail (d->dmy, G_DATE_BAD_YEAR);
return d->year;
}
@ -295,11 +278,11 @@ g_date_day (GDate *d)
g_return_val_if_fail (d != NULL, G_DATE_BAD_DAY);
g_return_val_if_fail (g_date_valid (d), G_DATE_BAD_DAY);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, G_DATE_BAD_DAY);
g_return_val_if_fail (d->dmy, G_DATE_BAD_DAY);
return d->day;
}
@ -327,11 +310,11 @@ g_date_day_of_year (GDate *d)
g_return_val_if_fail (d != NULL, 0);
g_return_val_if_fail (g_date_valid (d), 0);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, 0);
g_return_val_if_fail (d->dmy, 0);
index = g_date_is_leap_year (d->year) ? 1 : 0;
@ -348,15 +331,15 @@ g_date_monday_week_of_year (GDate *d)
g_return_val_if_fail (d != NULL, 0);
g_return_val_if_fail (g_date_valid (d), 0);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, 0);
g_return_val_if_fail (d->dmy, 0);
g_date_clear (&first, 1);
g_date_set_mdy (&first, 1, 1, d->year);
g_date_set_dmy (&first, 1, 1, d->year);
wd = g_date_weekday (&first) - 1; /* make Monday day 0 */
day = g_date_day_of_year (d) - 1;
@ -374,15 +357,15 @@ g_date_sunday_week_of_year (GDate *d)
g_return_val_if_fail (d != NULL, 0);
g_return_val_if_fail (g_date_valid (d), 0);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, 0);
g_return_val_if_fail (d->dmy, 0);
g_date_clear (&first, 1);
g_date_set_mdy (&first, 1, 1, d->year);
g_date_set_dmy (&first, 1, 1, d->year);
wd = g_date_weekday (&first);
if (wd == 7) wd = 0; /* make Sunday day 0 */
@ -419,9 +402,9 @@ static gchar *short_month_names[13] =
static gchar *current_locale = NULL;
/* order of these in the current locale */
static GDateMDY mdy_order[3] =
static GDateDMY dmy_order[3] =
{
G_DATE_MONTH, G_DATE_DAY, G_DATE_YEAR
G_DATE_DAY, G_DATE_MONTH, G_DATE_YEAR
};
/* Where to chop two-digit years: i.e., for the 1930 default, numbers
@ -553,7 +536,7 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
while (i < 13)
{
g_date_set_mdy (&d, i, 1, 1);
g_date_set_dmy (&d, 1, i, 1);
g_return_if_fail (g_date_valid (&d));
@ -572,9 +555,9 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
++i;
}
/* Determine MDY order */
/* Determine DMY order */
g_date_set_mdy (&d, 7, 4, 1776); /* had to pick a random day */
g_date_set_dmy (&d, 4, 7, 1776); /* had to pick a random day */
g_date_strftime (buf, 127, "%x", &d);
@ -586,15 +569,15 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
switch (testpt.n[i])
{
case 7:
mdy_order[i] = G_DATE_MONTH;
dmy_order[i] = G_DATE_MONTH;
break;
case 4:
mdy_order[i] = G_DATE_DAY;
dmy_order[i] = G_DATE_DAY;
break;
case 76:
using_twodigit_years = TRUE; /* FALL THRU */
case 1776:
mdy_order[i] = G_DATE_YEAR;
dmy_order[i] = G_DATE_YEAR;
break;
default:
/* leave it unchanged */
@ -620,7 +603,7 @@ g_date_prepare_to_parse (const gchar *str, GDateParseTokens *pt)
i = 0;
while (i < 3)
{
switch (mdy_order[i])
switch (dmy_order[i])
{
case G_DATE_MONTH:
strings[i] = "Month";
@ -677,7 +660,7 @@ g_date_set_parse (GDate *d,
while (i < pt.num_ints && j < 3)
{
switch (mdy_order[j])
switch (dmy_order[j])
{
case G_DATE_MONTH:
{
@ -727,7 +710,7 @@ g_date_set_parse (GDate *d,
}
if (pt.num_ints == 3 && !g_date_valid_mdy (m, day, y))
if (pt.num_ints == 3 && !g_date_valid_dmy (day, m, y))
{
/* Try YYYY MM DD */
y = pt.n[0];
@ -771,16 +754,16 @@ g_date_set_parse (GDate *d,
/* See if we got anything valid out of all this. */
/* y < 8000 is to catch 19998 style typos; the library is OK up to 65535 or so */
if (y < 8000 && g_date_valid_mdy (m, day, y))
if (y < 8000 && g_date_valid_dmy (day, m, y))
{
d->month = m;
d->day = day;
d->year = y;
d->mdy = TRUE;
d->dmy = TRUE;
}
#ifdef G_ENABLE_DEBUG
else
g_message ("Rejected MDY %u %u %u", m, day, y);
g_message ("Rejected DMY %u %u %u", day, m, y);
#endif
}
@ -803,9 +786,9 @@ g_date_set_time (GDate *d,
d->day = tm->tm_mday;
d->year = tm->tm_year + 1900;
g_return_if_fail (g_date_valid_mdy (d->month, d->day, d->year));
g_return_if_fail (g_date_valid_dmy (d->day, d->month, d->year));
d->mdy = TRUE;
d->dmy = TRUE;
}
else
{
@ -824,10 +807,10 @@ g_date_set_month (GDate *d,
d->month = m;
if (g_date_valid_mdy (d->month, d->day, d->year))
d->mdy = TRUE;
if (g_date_valid_dmy (d->day, d->month, d->year))
d->dmy = TRUE;
else
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -841,10 +824,10 @@ g_date_set_day (GDate *d,
d->day = day;
if (g_date_valid_mdy (d->month, d->day, d->year))
d->mdy = TRUE;
if (g_date_valid_dmy (d->day, d->month, d->year))
d->dmy = TRUE;
else
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -858,20 +841,20 @@ g_date_set_year (GDate *d,
d->year = y;
if (g_date_valid_mdy (d->month, d->day, d->year))
d->mdy = TRUE;
if (g_date_valid_dmy (d->day, d->month, d->year))
d->dmy = TRUE;
else
d->mdy = FALSE;
d->dmy = FALSE;
}
void
g_date_set_mdy (GDate *d,
GDateMonth m,
g_date_set_dmy (GDate *d,
GDateDay day,
GDateMonth m,
GDateYear y)
{
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid_mdy (m, day, y));
g_return_if_fail (g_date_valid_dmy (day, m, y));
d->julian = FALSE;
@ -879,7 +862,7 @@ g_date_set_mdy (GDate *d,
d->day = day;
d->year = y;
d->mdy = TRUE;
d->dmy = TRUE;
}
void
@ -890,7 +873,7 @@ g_date_set_julian (GDate *d, guint32 j)
d->julian_days = j;
d->julian = TRUE;
d->mdy = FALSE;
d->dmy = FALSE;
}
@ -900,11 +883,11 @@ g_date_is_first_of_month (GDate *d)
g_return_val_if_fail (d != NULL, FALSE);
g_return_val_if_fail (g_date_valid (d), FALSE);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, FALSE);
g_return_val_if_fail (d->dmy, FALSE);
if (d->day == 1) return TRUE;
else return FALSE;
@ -918,11 +901,11 @@ g_date_is_last_of_month (GDate *d)
g_return_val_if_fail (d != NULL, FALSE);
g_return_val_if_fail (g_date_valid (d), FALSE);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_val_if_fail (d->mdy, FALSE);
g_return_val_if_fail (d->dmy, FALSE);
index = g_date_is_leap_year (d->year) ? 1 : 0;
@ -943,7 +926,7 @@ g_date_add_days (GDate *d, guint ndays)
g_return_if_fail (d->julian);
d->julian_days += ndays;
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -960,7 +943,7 @@ g_date_subtract_days (GDate *d, guint ndays)
g_return_if_fail (d->julian_days > ndays);
d->julian_days -= ndays;
d->mdy = FALSE;
d->dmy = FALSE;
}
void
@ -973,11 +956,11 @@ g_date_add_months (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
nmonths += d->month - 1;
@ -1007,11 +990,11 @@ g_date_subtract_months (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
years = nmonths/12;
months = nmonths%12;
@ -1045,11 +1028,11 @@ g_date_add_years (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
d->year += nyears;
@ -1071,11 +1054,11 @@ g_date_subtract_years (GDate *d,
g_return_if_fail (d != NULL);
g_return_if_fail (g_date_valid (d));
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
g_return_if_fail (d->year > nyears);
d->year -= nyears;
@ -1123,15 +1106,15 @@ g_date_monday_weeks_in_year (GDateYear year)
g_return_val_if_fail (g_date_valid_year (year), 0);
g_date_clear (&d, 1);
g_date_set_mdy (&d, 1, 1, year);
g_date_set_dmy (&d, 1, 1, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
g_date_set_mdy (&d, 12, 31, year);
g_date_set_dmy (&d, 31, 12, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
if (g_date_is_leap_year (year))
{
g_date_set_mdy (&d, 1, 2, year);
g_date_set_dmy (&d, 2, 1, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
g_date_set_mdy (&d, 12, 30, year);
g_date_set_dmy (&d, 30, 12, year);
if (g_date_weekday (&d) == G_DATE_MONDAY) return 53;
}
return 52;
@ -1145,15 +1128,15 @@ g_date_sunday_weeks_in_year (GDateYear year)
g_return_val_if_fail (g_date_valid_year (year), 0);
g_date_clear (&d, 1);
g_date_set_mdy (&d, 1, 1, year);
g_date_set_dmy (&d, 1, 1, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
g_date_set_mdy (&d, 12, 31, year);
g_date_set_dmy (&d, 31, 12, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
if (g_date_is_leap_year (year))
{
g_date_set_mdy (&d, 1, 2, year);
g_date_set_dmy (&d, 2, 1, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
g_date_set_mdy (&d, 12, 30, year);
g_date_set_dmy (&d, 30, 12, year);
if (g_date_weekday (&d) == G_DATE_SUNDAY) return 53;
}
return 52;
@ -1179,7 +1162,7 @@ g_date_compare (GDate *lhs,
else if (lhs->julian_days > rhs->julian_days) return 1;
else return 0;
}
else if (lhs->mdy && rhs->mdy)
else if (lhs->dmy && rhs->dmy)
{
if (lhs->year < rhs->year) return -1;
else if (lhs->year > rhs->year) return 1;
@ -1220,11 +1203,11 @@ g_date_to_struct_tm (GDate *d,
g_return_if_fail (g_date_valid (d));
g_return_if_fail (tm != NULL);
if (!d->mdy)
if (!d->dmy)
{
g_date_update_mdy (d);
g_date_update_dmy (d);
}
g_return_if_fail (d->mdy);
g_return_if_fail (d->dmy);
/* zero all the irrelevant fields to be sure they're valid */

26
glib/glib.h
View File

@ -2044,10 +2044,10 @@ void g_completion_free (GCompletion* cmp);
*/
typedef enum {
G_DATE_MONTH = 0,
G_DATE_DAY = 1,
G_DATE_DAY = 0,
G_DATE_MONTH = 1,
G_DATE_YEAR = 2
} GDateMDY;
} GDateDMY;
/* These other types specify the actual values. */
@ -2101,11 +2101,11 @@ struct _GDate {
*/
guint julian : 1; /* julian is valid */
guint mdy : 1; /* mdy is valid */
guint dmy : 1; /* dmy is valid */
/* MDY representation */
guint month : 4;
/* DMY representation */
guint day : 6;
guint month : 4;
guint year : 16;
};
@ -2115,8 +2115,8 @@ struct _GDate {
*/
GDate* g_date_new (void);
GDate* g_date_new_mdy (GDateMonth m,
GDateDay d,
GDate* g_date_new_dmy (GDateDay d,
GDateMonth m,
GDateYear y);
GDate* g_date_new_julian (guint32 julian_day);
void g_date_free (GDate *d);
@ -2128,13 +2128,13 @@ void g_date_free (GDate *d);
*/
gboolean g_date_valid (GDate *d);
gboolean g_date_valid_day (GDateDay d);
gboolean g_date_valid_month (GDateMonth m);
gboolean g_date_valid_year (GDateYear y);
gboolean g_date_valid_day (GDateDay d);
gboolean g_date_valid_weekday (GDateWeekday w);
gboolean g_date_valid_julian (guint32 j);
gboolean g_date_valid_mdy (GDateMonth m,
GDateDay d,
gboolean g_date_valid_dmy (GDateDay d,
GDateMonth m,
GDateYear y);
GDateWeekday g_date_weekday (GDate *d);
@ -2178,9 +2178,9 @@ void g_date_set_day (GDate *d,
GDateDay day);
void g_date_set_year (GDate *d,
GDateYear y);
void g_date_set_mdy (GDate *d,
GDateMonth m,
void g_date_set_dmy (GDate *d,
GDateDay day,
GDateMonth m,
GDateYear y);
void g_date_set_julian (GDate *d,