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Use locale to guess the switch date.

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Localize formatting of date of easter.
Suggested by:	ache
This commit is contained in:
helbig 1998-01-03 15:10:11 +00:00
parent cdd3ffeafb
commit d44de6c864
2 changed files with 87 additions and 48 deletions
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17
usr.bin/ncal/ncal.1
View File

@ -22,7 +22,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $Id: ncal.1,v 1.1.1.1 1997/12/15 20:35:22 helbig Exp $
.\" $Id: ncal.1,v 1.2 1997/12/19 21:41:21 helbig Exp $
.\"
.Dd December 16, 1997
.Dt CAL 1
@ -57,8 +57,6 @@ The options are as follows:
Display Julian Calendar, if combined with the
.Fl e
option, display date of easter according to the Julian Calendar.
If not specified, the Julian Calendar is assumed till October 4, 1582
and the Gregorian Calendar thereafter.
.It Fl e
Display date of easter (for western churches).
.It Fl j
@ -70,17 +68,17 @@ Orthodox Churches).
Print the country codes and switching days from Julian to Gregorian
Calendar as they are assumed by
.Nm ncal .
The country code as determined from the local environment is marked
with an asterisk.
.It Fl s Ar country-code
Assume the switch from Julian to Gregorian Calendar at the date
associated with the
.Ar country-code .
If not specified,
.Nm ncal
assumes October 4, 1582 (on this day the Catholic Church switched to Gregorian
Calendar) and
.Nm cal
thinks with Great Britain and her colonies that
September 2, 1752 was the date to switch to Gregorian Calendar.
tries to guess the switch date from the local environment or
falls back to September 2, 1752. This was when Great
Britain and her colonies switched to the Gregorian Calendar.
.It Fl w
Print the number of the week below each week column.
.It Fl y
@ -114,3 +112,6 @@ command appeared in
This
manual page and the command was written by
.An Wolfgang Helbig Aq helbig@FreeBSD.ORG .
.Sh BUGS
The assignment of Julian - Gregorian switching dates to
country codes is historically naive for many countries.

118
usr.bin/ncal/ncal.c
View File

@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ncal.c,v 1.1.1.1 1997/12/15 20:35:22 helbig Exp $
* $Id: ncal.c,v 1.2 1997/12/31 15:55:08 helbig Exp $
*/
#include <calendar.h>
#include <err.h>
@ -61,36 +61,46 @@ static struct djswitch {
char *cc; /* Country code according to ISO 3166 */
char *nm; /* Name of country */
date dt; /* Last day of Julian calendar */
char *efmt; /* strftime format for printing date of easter */
} switches[] = {
{"AL", "Albania", {1912, 11, 30}},
{"BG", "Bulgaria", {1916, 3, 18}},
{"CA", "Canada", {1752, 9, 2}},
{"CH", "Switzerland", {1655, 2, 28}},
{"CN", "China", {1911, 12, 18}},
{"CZ", "Czech Republic",{1584, 1, 6}},
{"DE", "Germany", {1700, 2, 18}},
{"DK", "Denmark", {1700, 2, 18}},
{"ES", "Spain", {1582, 10, 4}},
{"FR", "France", {1582, 12, 9}},
{"GB", "United Kingdom",{1752, 9, 2}},
{"GR", "Greece", {1924, 3, 9}},
{"HU", "Hungary", {1587, 10, 21}},
{"IS", "Iceland", {1700, 11, 16}},
{"IT", "Italy", {1582, 10, 4}},
{"JP", "Japan", {1918, 12, 18}},
{"LV", "Latvia", {1918, 2, 1}},
{"LI", "Lithuania", {1918, 2, 1}},
{"NL", "Netherlands", {1701, 4, 30}},
{"NO", "Norway", {1700, 2, 18}},
{"PT", "Portugal", {1582, 10, 4}},
{"RO", "Romania", {1920, 3, 4}},
{"RU", "Russia", {1920, 3, 4}},
{"SW", "Sweden", {1753, 2, 17}},
{"TR", "Turkey", {1926, 12, 18}},
{"US", "United States", {1752, 9, 2}},
{"YU", "Yugoslavia", {1919, 3, 4}},
{"AL", "Albania", {1912, 11, 30}, "%e %B %Y"},
{"AT", "Austria", {1582, 10, 4}, "%e. %B %Y"},
{"AU", "Australia", {1752, 9, 2}, "%B %e, %Y"},
{"BG", "Bulgaria", {1916, 3, 18}, "%e %B %Y"},
{"CA", "Canada", {1752, 9, 2}, "%B %e, %Y"},
{"CH", "Switzerland", {1655, 2, 28}, "%e. %B %Y"},
{"CN", "China", {1911, 12, 18}, "%e %B %Y"},
{"CZ", "Czech Republic",{1584, 1, 6}, "%e %B %Y"},
{"DE", "Germany", {1700, 2, 18}, "%e. %B %Y"},
{"DK", "Denmark", {1700, 2, 18}, "%e. %B %Y"},
{"ES", "Spain", {1582, 10, 4}, "%e de %B de %Y"},
{"FR", "France", {1582, 12, 9}, "%e. %B %Y"},
{"GB", "United Kingdom",{1752, 9, 2}, "%e %B %Y"},
{"GR", "Greece", {1924, 3, 9}, "%e %B %Y"},
{"HU", "Hungary", {1587, 10, 21}, "%e %B %Y"},
{"IS", "Iceland", {1700, 11, 16}, "%e %B %Y"},
{"IT", "Italy", {1582, 10, 4}, "%e %B %Y"},
{"JP", "Japan", {1918, 12, 18}, "%Y\x94N %B%e"},
{"LV", "Latvia", {1918, 2, 1}, "%e %B %Y"},
{"LI", "Lithuania", {1918, 2, 1}, "%e %B %Y"},
{"NL", "Netherlands", {1701, 4, 30}, "%e %B %Y"},
{"NO", "Norway", {1700, 2, 18}, "%e %B %Y"},
{"PL", "Poland", {1582, 10, 4}, "%e %B %Y"},
{"PT", "Portugal", {1582, 10, 4}, "%e %B %Y"},
{"RO", "Romania", {1920, 3, 4}, "%e %B %Y"},
{"RU", "Russia", {1920, 3, 4}, "%e %B %Y"},
{"SI", "Slovenia", {1919, 3, 4}, "%e %B %Y"},
{"SU", "USSR", {1920, 3, 4}, "%e %B %Y"},
{"SW", "Sweden", {1753, 2, 17}, "%e %B %Y"},
{"TR", "Turkey", {1926, 12, 18}, "%e %B %Y"},
{"US", "United States", {1752, 9, 2}, "%B %e, %Y"},
{"YU", "Yugoslavia", {1919, 3, 4}, "%e %B %Y"}
};
struct djswitch *dftswitch =
switches + sizeof(switches) / sizeof(struct djswitch) - 2;
/* default switch (should be "US") */
/* Table used to print day of month and week numbers */
char daystr[] = " 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15"
" 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31"
@ -139,6 +149,7 @@ char jdaystr[] = " 1 2 3 4 5 6 7 8 9"
int flag_weeks; /* user wants number of week */
int nswitch; /* user defined switch date */
int nswitchb; /* switch date for backward compatibility */
char *efmt; /* strftime format string for printeaster() */
char *center(char *s, char *t, int w);
void mkmonth(int year, int month, int jd_flag, struct monthlines * monthl);
@ -174,8 +185,30 @@ main(int argc, char *argv[])
int flag_orthodox = 0; /* use wants Orthodox easter */
int flag_easter = 0; /* use wants easter date */
char *cp; /* character pointer */
char *locale; /* locale to get country code */
/*
* Use locale to determine the country code,
* and use the country code to determine the default
* switchdate and date format from the switches table.
*/
if ((locale = setlocale(LC_TIME, "")) == NULL)
warn("setlocale");
if (locale == NULL || locale == "C")
locale = "_US";
q = switches + sizeof(switches) / sizeof(struct djswitch);
for (p = switches; p != q; p++)
if ((cp = strstr(locale, p->cc)) != NULL && *(cp - 1) == '_')
break;
if (p == q) {
nswitch = ndaysj(&dftswitch->dt);
efmt = dftswitch->efmt;
} else {
nswitch = ndaysj(&p->dt);
efmt = p->efmt;
dftswitch = p;
}
setlocale(LC_TIME, "");
/*
* Get the filename portion of argv[0] and set flag_backward if
@ -312,27 +345,26 @@ printcc(void)
int n; /* number of lines to print */
int m; /* offset from left to right table entry on the same line */
#define FSTR "%s %-15s %4d-%02d-%02d"
#define FSTR "%c%s %-15s%4d-%02d-%02d"
#define DFLT(p) ((p) == dftswitch ? '*' : ' ')
#define FSTRARG(p) DFLT(p), (p)->cc, (p)->nm, (p)->dt.y, (p)->dt.m, (p)->dt.d
n = sizeof(switches) / sizeof(struct djswitch);
m = (n + 1) / 2;
n /= 2;
for (p = switches; p != switches + n; p++) {
printf(FSTR" "FSTR"\n" ,
p->cc, p->nm, p->dt.y, p->dt.m, p->dt.d,
(p+m)->cc, (p+m)->nm, (p+m)->dt.y,
(p+m)->dt.m, (p+m)->dt.d);
}
for (p = switches; p != switches + n; p++)
printf(FSTR" "FSTR"\n", FSTRARG(p), FSTRARG(p+m));
if (m != n)
printf(FSTR"\n",
p->cc, p->nm, p->dt.y, p->dt.m, p->dt.d);
printf(FSTR"\n", FSTRARG(p));
}
/* print the date of easter sunday */
void
printeaster(int y, int julian, int orthodox)
{
date dt;
date dt;
struct tm tm;
char buf[80];
/* force orthodox easter for years before 1583 */
if (y < 1583)
@ -345,7 +377,13 @@ printeaster(int y, int julian, int orthodox)
easterog(y, &dt);
else
easterg(y, &dt);
printf("%04d-%02d-%02d\n", dt.y, dt.m, dt.d);
memset(&tm, 0, sizeof(tm));
tm.tm_year = dt.y - 1900;
tm.tm_mon = dt.m - 1;
tm.tm_mday = dt.d;
strftime(buf, sizeof(buf), efmt, &tm);
printf("%s\n", buf);
}
void