static dt_dttyp_t
determine_durtype(struct dt_dt_s d1, struct dt_dt_s d2, durfmt_t f)
{
/* the type-multiplication table looks like:
*
* - D T DT
* D d x d
* T x t x
* DT d x s
*
* where d means a ddur type, t a tdur type and s is DT_SEXY */
if ((dt_sandwich_only_d_p(d1) || dt_sandwich_only_d_p(d2)) &&
(dt_sandwich_only_t_p(d1) || dt_sandwich_only_t_p(d2))) {
;
} else if (dt_sandwich_only_d_p(d1) || dt_sandwich_only_d_p(d2)) {
if (f.has_week && (f.has_mon || f.has_year)) {
return (dt_dttyp_t)DT_YMCW;
} else if (f.has_mon || f.has_year) {
return (dt_dttyp_t)DT_YMD;
} else if (f.has_day && f.has_biz) {
return (dt_dttyp_t)DT_BIZSI;
} else if (f.has_day || f.has_week || f.flags == 0) {
return (dt_dttyp_t)DT_DAISY;
} else {
return (dt_dttyp_t)DT_MD;
}
} else if ((dt_sandwich_only_t_p(d1) && dt_sandwich_only_t_p(d2)) ||
(dt_sandwich_p(d1) && dt_sandwich_p(d2))) {
return (dt_dttyp_t)DT_SEXY;
}
return DT_UNK;
}
static inline dt_ssexy_t
__to_gps_epoch(struct dt_dt_s dt)
{
if (dt.typ == DT_SEXY) {
/* no way to find out, is there */
return dt.sexy;
} else if (dt_sandwich_p(dt) || dt_sandwich_only_d_p(dt)) {
dt_daisy_t d = dt_conv_to_daisy(dt.d);
dt_ssexy_t res = (d - DAISY_GPS_BASE) * SECS_PER_DAY;
if (dt_sandwich_p(dt)) {
res += (dt.t.hms.h * 60 + dt.t.hms.m) * 60 + dt.t.hms.s;
}
return res;
}
return 0;
}
static size_t
__strfdt_xdn(char *buf, size_t bsz, struct dt_dt_s that)
{
double dn;
switch (that.d.typ) {
case DT_JDN:
dn = (double)that.d.jdn;
break;
case DT_LDN:
dn = (double)that.d.ldn;
if (dt_sandwich_only_d_p(that)) {
return snprintf(buf, bsz, "%.0f", dn);
}
break;
default:
return 0;
}
if (dt_sandwich_p(that)) {
unsigned int ss = __secs_since_midnight(that.t);
dn += (double)ss / (double)SECS_PER_DAY;
}
return snprintf(buf, bsz, "%.6f", dn);
}
static int
test_dt_no_fmt(void)
{
static const char str[] = "2012-03-28 12:34:56";
struct dt_dt_s d;
int res = 0;
fprintf(stderr, "testing %s ...\n", str);
d = dt_strpdt(str, NULL, NULL);
CHECK(!d.sandwich,
" NOT A SANDWICH ... but should be\n");
CHECK(!dt_sandwich_p(d), " TYPE is not a sandwich\n");
CHECK(d.d.typ != DT_YMD,
" TYPE DIFFERS %u ... should be %u\n",
(unsigned int)d.d.typ,
(unsigned int)DT_YMD);
CHECK(d.t.typ != DT_HMS,
" TIME TYPE DIFFERS %u ... should be %u\n",
(unsigned int)d.t.typ,
(unsigned int)DT_HMS);
CHECK(d.dur, " DURATION BIT SET\n");
CHECK(d.neg, " NEGATED BIT SET\n");
CHECK(d.t.dur, " TIME DURATION BIT SET\n");
CHECK(d.t.neg, " TIME DURATION BIT SET\n");
CHECK(d.d.ymd.y != 2012,
" YEAR %u ... should be 2012\n",
(unsigned int)d.d.ymd.y);
CHECK(d.d.ymd.m != 3,
" MONTH %u ... should be 3\n",
(unsigned int)d.d.ymd.m);
CHECK(d.d.ymd.d != 28,
" DAY %u ... should be 28\n",
(unsigned int)d.d.ymd.d);
CHECK(d.t.hms.h != 12,
" HOUR %u ... should be 12\n",
(unsigned int)d.t.hms.h);
CHECK(d.t.hms.m != 34,
" MINUTE %u ... should be 34\n",
(unsigned int)d.t.hms.m);
CHECK(d.t.hms.s != 56,
" SECOND %u ... should be 56\n",
(unsigned int)d.t.hms.s);
CHECK(d.t.hms.ns != 0,
" NANOSECOND %u ... should be 0\n",
(unsigned int)d.t.hms.ns);
/* make sure the padding leaves no garbage */
CHECK_RES(res, d.d.ymd.u & ~0x1fffff,
" PADDING NOT NAUGHT %x\n",
(unsigned int)(d.d.ymd.u & ~0x1fffff));
CHECK_RES(res, d.t.hms.u & ~0x1f3f3f3fffffff,
" PADDING NOT NAUGHT %x\n",
(unsigned int)(d.t.hms.u & ~0x1f3f3f3fffffff));
return res;
}
static inline dt_ssexy_t
__to_unix_epoch(struct dt_dt_s dt)
{
/* daisy is competing with the prevalent unix epoch, this is the offset */
if (dt.typ == DT_SEXY) {
/* no way to find out, is there */
return dt.sexy;
} else if (dt_sandwich_p(dt) || dt_sandwich_only_d_p(dt)) {
dt_daisy_t d = dt_conv_to_daisy(dt.d);
dt_ssexy_t res = (d - DAISY_UNIX_BASE) * SECS_PER_DAY;
if (dt_sandwich_p(dt)) {
res += (dt.t.hms.h * 60 + dt.t.hms.m) * 60 + dt.t.hms.s;
}
return res;
}
return 0;
}
static inline struct dt_dt_s
dt_conv_to_sexy(struct dt_dt_s dt)
{
if (dt.typ == DT_SEXY) {
return dt;
} else if (dt_sandwich_only_t_p(dt)) {
dt.sxepoch = (dt.t.hms.h * 60 + dt.t.hms.m) * 60 + dt.t.hms.s;
} else if (dt_sandwich_p(dt) || dt_sandwich_only_d_p(dt)) {
dt.sxepoch = __to_unix_epoch(dt);
} else {
dt = dt_dt_initialiser();
}
/* make sure we hand out sexies */
dt.typ = DT_SEXY;
return dt;
}
int
main(int argc, char *argv[])
{
static struct dt_dtdur_s ite_p1;
yuck_t argi[1U];
struct dt_dt_s tmp;
char **ifmt;
size_t nifmt;
char *ofmt;
dt_dttyp_t tgttyp;
int rc = 0;
struct dseq_clo_s clo = {
.ite = &ite_p1,
.nite = 1,
.altite = NULL,
.naltite = 0,
.ss = 0,
.dir = 0,
.flags = 0,
};
if (yuck_parse(argi, argc, argv)) {
rc = 1;
goto out;
}
/* assign ofmt/ifmt */
ofmt = argi->format_arg;
if (argi->backslash_escapes_flag) {
dt_io_unescape(ofmt);
}
nifmt = argi->input_format_nargs;
ifmt = argi->input_format_args;
if (argi->from_locale_arg) {
setilocale(argi->from_locale_arg);
}
if (argi->locale_arg) {
setflocale(argi->locale_arg);
}
if (argi->base_arg) {
struct dt_dt_s base = dt_strpdt(argi->base_arg, NULL, NULL);
dt_set_base(base);
}
for (size_t i = 0; i < argi->skip_nargs; i++) {
clo.ss = set_skip(clo.ss, argi->skip_args[i]);
}
if (argi->alt_inc_arg) {
struct __strpdtdur_st_s st = __strpdtdur_st_initialiser();
do {
if (dt_io_strpdtdur(&st, argi->alt_inc_arg) < 0) {
if (!argi->quiet_flag) {
error("Error: \
cannot parse duration string `%s'", argi->alt_inc_arg);
}
rc = 1;
goto out;
}
} while (__strpdtdur_more_p(&st));
/* assign values */
clo.altite = st.durs;
clo.naltite = st.ndurs;
}
switch (argi->nargs) {
struct dt_dt_s fst, lst;
default:
yuck_auto_help(argi);
rc = 1;
goto out;
case 2:
lst = dt_io_strpdt(argi->args[1U], ifmt, nifmt, NULL);
if (dt_unk_p(lst)) {
if (!argi->quiet_flag) {
dt_io_warn_strpdt(argi->args[1U]);
}
rc = 1;
goto out;
} else if (UNLIKELY(lst.fix) && !argi->quiet_flag) {
rc = 2;
}
/* fallthrough */
case 1:
fst = dt_io_strpdt(argi->args[0U], ifmt, nifmt, NULL);
if (dt_unk_p(fst)) {
if (!argi->quiet_flag) {
dt_io_warn_strpdt(argi->args[0U]);
}
rc = 1;
goto out;
} else if (UNLIKELY(fst.fix) && !argi->quiet_flag) {
rc = 2;
}
/* check the input arguments and do the sane thing now
* if it's all dates, use DURD iterator
* if it's all times, use DURS/DURM/DURH iterators
* if one of them is a dt, promote the other */
if (dt_sandwich_only_d_p(fst)) {
/* emulates old dseq(1) */
if (argi->nargs == 1U) {
lst.d = dt_date(fst.d.typ);
dt_make_d_only(&lst, fst.d.typ);
}
clo.ite->d = dt_make_ddur(DT_DURD, 1);
} else if (dt_sandwich_only_t_p(fst)) {
/* emulates old tseq(1) */
if (argi->nargs == 1U) {
lst.t = dt_time();
dt_make_t_only(&lst, DT_HMS);
}
} else if (dt_sandwich_p(fst)) {
if (argi->nargs == 1U) {
lst = dt_datetime(fst.typ);
dt_make_sandwich(&lst, fst.d.typ, DT_HMS);
}
clo.ite->d = dt_make_ddur(DT_DURD, 1);
} else {
error("\
don't know how to handle single argument case");
rc = 1;
goto out;
}
goto make_compat;
case 3: {
struct __strpdtdur_st_s st = __strpdtdur_st_initialiser();
/* get lower bound */
fst = dt_io_strpdt(argi->args[0U], ifmt, nifmt, NULL);
if (dt_unk_p(fst)) {
if (!argi->quiet_flag) {
dt_io_warn_strpdt(argi->args[0U]);
}
rc = 1;
goto out;
} else if (UNLIKELY(fst.fix) && !argi->quiet_flag) {
rc = 2;
}
/* get increment */
do {
if (dt_io_strpdtdur(&st, argi->args[1U]) < 0) {
error("Error: \
cannot parse duration string `%s'", argi->args[1U]);
rc = 1;
goto out;
}
} while (__strpdtdur_more_p(&st));
/* assign values */
clo.ite = st.durs;
clo.nite = st.ndurs;
clo.flags |= CLO_FL_FREE_ITE;
/* get upper bound */
lst = dt_io_strpdt(argi->args[2U], ifmt, nifmt, NULL);
if (dt_unk_p(lst)) {
if (!argi->quiet_flag) {
dt_io_warn_strpdt(argi->args[2U]);
}
rc = 1;
goto out;
} else if (UNLIKELY(lst.fix) && !argi->quiet_flag) {
rc = 2;
}
goto make_compat;
}
make_compat:
if (LIKELY(fst.typ == lst.typ)) {
clo.fst = fst;
clo.lst = lst;
} else {
clo.fst = fst;
clo.lst = dt_dtconv(fst.typ, lst);
}
break;
}
/* promote the args maybe */
if ((dt_sandwich_only_d_p(clo.fst) && dt_sandwich_only_t_p(clo.lst)) ||
(dt_sandwich_only_t_p(clo.fst) && dt_sandwich_only_d_p(clo.lst))) {
error("\
cannot mix dates and times as arguments");
rc = 1;
goto out;
} else if (dt_sandwich_only_d_p(clo.fst) && dt_sandwich_p(clo.lst)) {
