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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "analyze.h"
#include "analyze-calendar.h"
#include "calendarspec.h"
#include "format-table.h"
#include "terminal-util.h"
static int test_calendar_one(usec_t n, const char *p) {
_cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
_cleanup_free_ char *t = NULL;
TableCell *cell;
int r;
r = calendar_spec_from_string(p, &spec);
if (r < 0) {
log_error_errno(r, "Failed to parse calendar specification '%s': %m", p);
time_parsing_hint(p, /* calendar= */ false, /* timestamp= */ true, /* timespan= */ true);
return r;
}
r = calendar_spec_to_string(spec, &t);
if (r < 0)
return log_error_errno(r, "Failed to format calendar specification '%s': %m", p);
table = table_new("name", "value");
if (!table)
return log_oom();
table_set_header(table, false);
assert_se(cell = table_get_cell(table, 0, 0));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_set_align_percent(table, cell, 100);
if (r < 0)
return r;
assert_se(cell = table_get_cell(table, 0, 1));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
if (!streq(t, p)) {
r = table_add_many(table,
TABLE_STRING, "Original form:",
TABLE_STRING, p);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_many(table,
TABLE_STRING, "Normalized form:",
TABLE_STRING, t);
if (r < 0)
return table_log_add_error(r);
for (unsigned i = 0; i < arg_iterations; i++) {
usec_t next;
r = calendar_spec_next_usec(spec, n, &next);
if (r == -ENOENT) {
if (i == 0) {
r = table_add_many(table,
TABLE_STRING, "Next elapse:",
TABLE_STRING, "never",
TABLE_SET_COLOR, ansi_highlight_yellow());
if (r < 0)
return table_log_add_error(r);
}
break;
}
if (r < 0)
return log_error_errno(r, "Failed to determine next elapse for '%s': %m", p);
if (i == 0) {
r = table_add_many(table,
TABLE_STRING, "Next elapse:",
TABLE_TIMESTAMP, next,
TABLE_SET_COLOR, ansi_highlight_blue());
if (r < 0)
return table_log_add_error(r);
} else {
int k = DECIMAL_STR_WIDTH(i + 1);
if (k < 8)
k = 8 - k;
else
k = 0;
r = table_add_cell_stringf(table, NULL, "Iter. #%u:", i+1);
if (r < 0)
return table_log_add_error(r);
r = table_add_many(table,
TABLE_TIMESTAMP, next,
TABLE_SET_COLOR, ansi_highlight_blue());
if (r < 0)
return table_log_add_error(r);
}
if (!in_utc_timezone()) {
r = table_add_many(table,
TABLE_STRING, "(in UTC):",
TABLE_TIMESTAMP_UTC, next);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_many(table,
TABLE_STRING, "From now:",
TABLE_TIMESTAMP_RELATIVE, next);
if (r < 0)
return table_log_add_error(r);
n = next;
}
return table_print(table, NULL);
}
int verb_calendar(int argc, char *argv[], void *userdata) {
int ret = 0, r;
char **p;
usec_t n;
if (arg_base_time != USEC_INFINITY)
n = arg_base_time;
else
n = now(CLOCK_REALTIME); /* We want to use the same "base" for all expressions */
STRV_FOREACH(p, strv_skip(argv, 1)) {
r = test_calendar_one(n, *p);
if (ret == 0 && r < 0)
ret = r;
if (*(p + 1))
putchar('\n');
}
return ret;
}
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