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time-util: teach parse_timestamp to parse weekdays

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This commit is contained in:
Lennart Poettering 2012-11-23 22:52:46 +01:00
parent 6a741b4a2b
commit 92134489ab
2 changed files with 74 additions and 46 deletions
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41
src/shared/time-util.c
View File

@ -284,11 +284,32 @@ void dual_timestamp_deserialize(const char *value, dual_timestamp *t) {
}
int parse_timestamp(const char *t, usec_t *usec) {
static const struct {
const char *name;
const int nr;
} day_nr[] = {
{ "Sunday", 0 },
{ "Sun", 0 },
{ "Monday", 1 },
{ "Mon", 1 },
{ "Tuesday", 2 },
{ "Tue", 2 },
{ "Wednesday", 3 },
{ "Wed", 3 },
{ "Thursday", 4 },
{ "Thu", 4 },
{ "Friday", 5 },
{ "Fri", 5 },
{ "Saturday", 6 },
{ "Sat", 6 },
};
const char *k;
struct tm tm, copy;
time_t x;
usec_t plus = 0, minus = 0, ret;
int r;
int r, weekday = -1;
unsigned i;
/*
* Allowed syntaxes:
@ -360,6 +381,21 @@ int parse_timestamp(const char *t, usec_t *usec) {
goto finish;
}
for (i = 0; i < ELEMENTSOF(day_nr); i++) {
size_t skip;
if (!startswith_no_case(t, day_nr[i].name))
continue;
skip = strlen(day_nr[i].name);
if (t[skip] != ' ')
continue;
weekday = day_nr[i].nr;
t += skip + 1;
break;
}
copy = tm;
k = strptime(t, "%y-%m-%d %H:%M:%S", &tm);
if (k && *k == 0)
@ -417,6 +453,9 @@ finish:
if (x == (time_t) -1)
return -EINVAL;
if (weekday >= 0 && tm.tm_wday != weekday)
return -EINVAL;
ret = (usec_t) x * USEC_PER_SEC;
ret += plus;

79
src/test/test-date.c
View File

@ -19,54 +19,43 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <string.h>
#include "util.h"
static void test_one(const char *p) {
usec_t t, q;
char buf[FORMAT_TIMESTAMP_MAX], buf_relative[FORMAT_TIMESTAMP_RELATIVE_MAX];
assert_se(parse_timestamp(p, &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
/* Chop off timezone */
*strrchr(buf, ' ') = 0;
assert_se(parse_timestamp(buf, &q) >= 0);
assert_se(q == t);
log_info("%s", strna(format_timestamp_relative(buf_relative, sizeof(buf_relative), t)));
assert_se(parse_timestamp(buf, &q) >= 0);
}
int main(int argc, char *argv[]) {
usec_t t;
char buf[FORMAT_TIMESTAMP_MAX];
assert_se(parse_timestamp("17:41", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("18:42:44", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("12-10-02 12:13:14", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("12-10-2 12:13:14", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("12-10-03 12:13", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("2012-12-30 18:42", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("2012-10-02", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("now", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("yesterday", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("today", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("tomorrow", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("+2d", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("+2y 4d", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
assert_se(parse_timestamp("5months ago", &t) >= 0);
log_info("%s", format_timestamp(buf, sizeof(buf), t));
test_one("17:41");
test_one("18:42:44");
test_one("12-10-02 12:13:14");
test_one("12-10-2 12:13:14");
test_one("12-10-03 12:13");
test_one("2012-12-30 18:42");
test_one("2012-10-02");
test_one("Tue 2012-10-02");
test_one("now");
test_one("yesterday");
test_one("today");
test_one("tomorrow");
test_one("+2d");
test_one("+2y 4d");
test_one("5months ago");
return 0;
}