Class: DateTime
Constant Summary
Constants inherited from Date
Date::ABBR_DAYNAMES, Date::ABBR_MONTHNAMES, Date::DAYNAMES, Date::ENGLAND, Date::GREGORIAN, Date::ITALY, Date::JULIAN, Date::MONTHNAMES, Date::VERSION
Class Method Summary collapse
-
._strptime(string[, format = '%FT%T%z']) ⇒ Hash
Parses the given representation of date and time with the given template, and returns a hash of parsed elements.
-
.civil(*args) ⇒ Object
Creates a DateTime object denoting the given calendar date.
-
.commercial([cwyear = -4712[, cweek=1[, cwday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]]) ⇒ Object
Creates a DateTime object denoting the given week date.
-
.httpdate(string = 'Mon, 01 Jan -4712 00:00:00 GMT'[, start=Date::ITALY]) ⇒ Object
Creates a new DateTime object by parsing from a string according to some RFC 2616 format.
-
.iso8601(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical ISO 8601 formats.
-
.jd([jd = 0[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]) ⇒ Object
Creates a DateTime object denoting the given chronological Julian day number.
-
.jisx0301(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical JIS X 0301 formats.
-
.new(*args) ⇒ Object
Creates a DateTime object denoting the given calendar date.
-
.now([start = Date::ITALY]) ⇒ Object
Creates a DateTime object denoting the present time.
- .nth_kday(*args) ⇒ Object
-
.ordinal([year = -4712[, yday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]) ⇒ Object
Creates a DateTime object denoting the given ordinal date.
-
.parse(string = '-4712-01-01T00:00:00+00:00'[, comp=true[, start=Date::ITALY]], limit: 128) ⇒ Object
Parses the given representation of date and time, and creates a DateTime object.
-
.rfc2822(*args) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical RFC 2822 formats.
-
.rfc3339(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical RFC 3339 formats.
-
.rfc822(*args) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical RFC 2822 formats.
-
.strptime([string = '-4712-01-01T00:00:00+00:00'[, format='%FT%T%z'[ ,start=Date::ITALY]]]) ⇒ Object
Parses the given representation of date and time with the given template, and creates a DateTime object.
- .weeknum(*args) ⇒ Object
-
.xmlschema(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical XML Schema formats.
Instance Method Summary collapse
-
#hour ⇒ Fixnum
Returns the hour (0-23).
-
#iso8601(*args) ⇒ Object
This method is equivalent to strftime(‘%FT%T%:z’).
-
#jisx0301([n = 0]) ⇒ String
Returns a string in a JIS X 0301 format.
-
#min ⇒ Object
Returns the minute (0-59).
-
#minute ⇒ Object
Returns the minute (0-59).
-
#new_offset([offset = 0]) ⇒ Object
Duplicates self and resets its offset.
-
#offset ⇒ Object
Returns the offset.
-
#rfc3339([n = 0]) ⇒ String
This method is equivalent to strftime(‘%FT%T%:z’).
-
#sec ⇒ Object
Returns the second (0-59).
-
#sec_fraction ⇒ Object
Returns the fractional part of the second.
-
#second ⇒ Object
Returns the second (0-59).
-
#second_fraction ⇒ Object
Returns the fractional part of the second.
-
#strftime([format = '%FT%T%:z']) ⇒ String
Formats date according to the directives in the given format string.
-
#to_date ⇒ Object
Returns a Date object which denotes self.
-
#to_datetime ⇒ self
Returns self.
-
#to_s ⇒ String
Returns a string in an ISO 8601 format.
-
#to_time ⇒ Time
Returns a Time object which denotes self.
-
#xmlschema(*args) ⇒ Object
This method is equivalent to strftime(‘%FT%T%:z’).
-
#zone ⇒ String
Returns the timezone.
Methods inherited from Date
#+, #-, #<<, #<=>, #===, #>>, _httpdate, _iso8601, _jisx0301, _load, _parse, _rfc2822, _rfc3339, _rfc822, _xmlschema, #ajd, #amjd, #asctime, #ctime, #cwday, #cweek, #cwyear, #day, #day_fraction, #downto, #england, #eql?, #fill, #friday?, #gregorian, #gregorian?, gregorian_leap?, #hash, #httpdate, #initialize, #initialize_copy, #inspect, #inspect_raw, #italy, #jd, #julian, #julian?, julian_leap?, #ld, #leap?, leap?, #marshal_dump, #marshal_dump_old, #marshal_load, #mday, #mjd, #mon, #monday?, #month, new!, #new_start, #next, #next_day, #next_month, #next_year, #nth_kday?, #prev_day, #prev_month, #prev_year, #rfc2822, #rfc822, #saturday?, #start, #step, #succ, #sunday?, test_all, test_civil, test_commercial, test_nth_kday, test_ordinal, test_unit_conv, test_weeknum, #thursday?, today, #tuesday?, #upto, valid_civil?, valid_commercial?, valid_date?, valid_jd?, valid_ordinal?, #wday, #wednesday?, #yday, #year
Constructor Details
This class inherits a constructor from Date
Class Method Details
._strptime(string[, format = '%FT%T%z']) ⇒ Hash
Parses the given representation of date and time with the given template, and returns a hash of parsed elements. _strptime does not support specification of flags and width unlike strftime.
See also strptime(3) and #strftime.
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# File 'ext/date/date_core.c', line 8037
static VALUE
datetime_s__strptime(int argc, VALUE *argv, VALUE klass)
{
return date_s__strptime_internal(argc, argv, klass, "%FT%T%z");
}
|
.civil([year = -4712[, month=1[, mday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]]) ⇒ Object .new([year = -4712[, month=1[, mday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]]) ⇒ Object
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# File 'ext/date/date_core.c', line 7513
static VALUE
datetime_s_civil(int argc, VALUE *argv, VALUE klass)
{
return datetime_initialize(argc, argv, d_lite_s_alloc_complex(klass));
}
|
.commercial([cwyear = -4712[, cweek=1[, cwday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]]) ⇒ Object
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# File 'ext/date/date_core.c', line 7622
static VALUE
datetime_s_commercial(int argc, VALUE *argv, VALUE klass)
{
VALUE vy, vw, vd, vh, vmin, vs, vof, vsg, y, fr, fr2, ret;
int w, d, h, min, s, rof;
double sg;
rb_scan_args(argc, argv, "08", &vy, &vw, &vd, &vh, &vmin, &vs, &vof, &vsg);
y = INT2FIX(-4712);
w = 1;
d = 1;
h = min = s = 0;
fr2 = INT2FIX(0);
rof = 0;
sg = DEFAULT_SG;
switch (argc) {
case 8:
val2sg(vsg, sg);
case 7:
val2off(vof, rof);
case 6:
num2int_with_frac(s, positive_inf);
case 5:
num2int_with_frac(min, 5);
case 4:
num2int_with_frac(h, 4);
case 3:
num2int_with_frac(d, 3);
case 2:
w = NUM2INT(vw);
case 1:
y = vy;
}
{
VALUE nth;
int ry, rw, rd, rh, rmin, rs, rjd, rjd2, ns;
if (!valid_commercial_p(y, w, d, sg,
&nth, &ry,
&rw, &rd, &rjd,
&ns))
rb_raise(rb_eArgError, "invalid date");
if (!c_valid_time_p(h, min, s, &rh, &rmin, &rs))
rb_raise(rb_eArgError, "invalid date");
canon24oc();
rjd2 = jd_local_to_utc(rjd,
time_to_df(rh, rmin, rs),
rof);
ret = d_complex_new_internal(klass,
nth, rjd2,
0, INT2FIX(0),
rof, sg,
0, 0, 0,
rh, rmin, rs,
HAVE_JD | HAVE_TIME);
}
add_frac();
return ret;
}
|
.httpdate(string = 'Mon, 01 Jan -4712 00:00:00 GMT'[, start=Date::ITALY]) ⇒ Object
Creates a new DateTime object by parsing from a string according to some RFC 2616 format.
DateTime.httpdate('Sat, 03 Feb 2001 04:05:06 GMT')
#=> #<DateTime: 2001-02-03T04:05:06+00:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8325
static VALUE
datetime_s_httpdate(int argc, VALUE *argv, VALUE klass)
{
VALUE str, sg, opt;
rb_scan_args(argc, argv, "02:", &str, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("Mon, 01 Jan -4712 00:00:00 GMT");
case 1:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 1;
VALUE argv2[2];
argv2[0] = str;
argv2[1] = opt;
if (!NIL_P(opt)) argc2++;
VALUE hash = date_s__httpdate(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.iso8601(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical ISO 8601 formats.
DateTime.iso8601('2001-02-03T04:05:06+07:00')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.iso8601('20010203T040506+0700')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.iso8601('2001-W05-6T04:05:06+07:00')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8164
static VALUE
datetime_s_iso8601(int argc, VALUE *argv, VALUE klass)
{
VALUE str, sg, opt;
rb_scan_args(argc, argv, "02:", &str, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("-4712-01-01T00:00:00+00:00");
case 1:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 1;
VALUE argv2[2];
argv2[0] = str;
argv2[1] = opt;
if (!NIL_P(opt)) argc2--;
VALUE hash = date_s__iso8601(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.jd([jd = 0[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]) ⇒ Object
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# File 'ext/date/date_core.c', line 7369
static VALUE
datetime_s_jd(int argc, VALUE *argv, VALUE klass)
{
VALUE vjd, vh, vmin, vs, vof, vsg, jd, fr, fr2, ret;
int h, min, s, rof;
double sg;
rb_scan_args(argc, argv, "06", &vjd, &vh, &vmin, &vs, &vof, &vsg);
jd = INT2FIX(0);
h = min = s = 0;
fr2 = INT2FIX(0);
rof = 0;
sg = DEFAULT_SG;
switch (argc) {
case 6:
val2sg(vsg, sg);
case 5:
val2off(vof, rof);
case 4:
num2int_with_frac(s, positive_inf);
case 3:
num2int_with_frac(min, 3);
case 2:
num2int_with_frac(h, 2);
case 1:
num2num_with_frac(jd, 1);
}
{
VALUE nth;
int rh, rmin, rs, rjd, rjd2;
if (!c_valid_time_p(h, min, s, &rh, &rmin, &rs))
rb_raise(rb_eArgError, "invalid date");
canon24oc();
decode_jd(jd, &nth, &rjd);
rjd2 = jd_local_to_utc(rjd,
time_to_df(rh, rmin, rs),
rof);
ret = d_complex_new_internal(klass,
nth, rjd2,
0, INT2FIX(0),
rof, sg,
0, 0, 0,
rh, rmin, rs,
HAVE_JD | HAVE_TIME);
}
add_frac();
return ret;
}
|
.jisx0301(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical JIS X 0301 formats.
DateTime.jisx0301('H13.02.03T04:05:06+07:00')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8365
static VALUE
datetime_s_jisx0301(int argc, VALUE *argv, VALUE klass)
{
VALUE str, sg, opt;
rb_scan_args(argc, argv, "02:", &str, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("-4712-01-01T00:00:00+00:00");
case 1:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 1;
VALUE argv2[2];
argv2[0] = str;
argv2[1] = opt;
if (!NIL_P(opt)) argc2++;
VALUE hash = date_s__jisx0301(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.civil([year = -4712[, month=1[, mday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]]) ⇒ Object .new([year = -4712[, month=1[, mday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]]) ⇒ Object
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# File 'ext/date/date_core.c', line 7513
static VALUE
datetime_s_civil(int argc, VALUE *argv, VALUE klass)
{
return datetime_initialize(argc, argv, d_lite_s_alloc_complex(klass));
}
|
.now([start = Date::ITALY]) ⇒ Object
Creates a DateTime object denoting the present time.
DateTime.now #=> #<DateTime: 2011-06-11T21:20:44+09:00 ...>
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# File 'ext/date/date_core.c', line 7836
static VALUE
datetime_s_now(int argc, VALUE *argv, VALUE klass)
{
VALUE vsg, nth, ret;
double sg;
#ifdef HAVE_CLOCK_GETTIME
struct timespec ts;
#else
struct timeval tv;
#endif
time_t sec;
struct tm tm;
long sf, of;
int y, ry, m, d, h, min, s;
rb_scan_args(argc, argv, "01", &vsg);
if (argc < 1)
sg = DEFAULT_SG;
else
sg = NUM2DBL(vsg);
#ifdef HAVE_CLOCK_GETTIME
if (clock_gettime(CLOCK_REALTIME, &ts) == -1)
rb_sys_fail("clock_gettime");
sec = ts.tv_sec;
#else
if (gettimeofday(&tv, NULL) == -1)
rb_sys_fail("gettimeofday");
sec = tv.tv_sec;
#endif
tzset();
if (!localtime_r(&sec, &tm))
rb_sys_fail("localtime");
y = tm.tm_year + 1900;
m = tm.tm_mon + 1;
d = tm.tm_mday;
h = tm.tm_hour;
min = tm.tm_min;
s = tm.tm_sec;
if (s == 60)
s = 59;
#ifdef HAVE_STRUCT_TM_TM_GMTOFF
of = tm.tm_gmtoff;
#elif defined(HAVE_TIMEZONE)
#ifdef HAVE_ALTZONE
of = (long)-((tm.tm_isdst > 0) ? altzone : timezone);
#else
of = (long)-timezone;
if (tm.tm_isdst) {
time_t sec2;
tm.tm_isdst = 0;
sec2 = mktime(&tm);
of += (long)difftime(sec2, sec);
}
#endif
#elif defined(HAVE_TIMEGM)
{
time_t sec2;
sec2 = timegm(&tm);
of = (long)difftime(sec2, sec);
}
#else
{
struct tm tm2;
time_t sec2;
if (!gmtime_r(&sec, &tm2))
rb_sys_fail("gmtime");
tm2.tm_isdst = tm.tm_isdst;
sec2 = mktime(&tm2);
of = (long)difftime(sec, sec2);
}
#endif
#ifdef HAVE_CLOCK_GETTIME
sf = ts.tv_nsec;
#else
sf = tv.tv_usec * 1000;
#endif
if (of < -DAY_IN_SECONDS || of > DAY_IN_SECONDS) {
of = 0;
rb_warning("invalid offset is ignored");
}
decode_year(INT2FIX(y), -1, &nth, &ry);
ret = d_complex_new_internal(klass,
nth, 0,
0, LONG2NUM(sf),
(int)of, GREGORIAN,
ry, m, d,
h, min, s,
HAVE_CIVIL | HAVE_TIME);
{
get_d1(ret);
set_sg(dat, sg);
}
return ret;
}
|
.nth_kday(*args) ⇒ Object
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# File 'ext/date/date_core.c', line 7758
static VALUE
datetime_s_nth_kday(int argc, VALUE *argv, VALUE klass)
{
VALUE vy, vm, vn, vk, vh, vmin, vs, vof, vsg, y, fr, fr2, ret;
int m, n, k, h, min, s, rof;
double sg;
rb_scan_args(argc, argv, "09", &vy, &vm, &vn, &vk,
&vh, &vmin, &vs, &vof, &vsg);
y = INT2FIX(-4712);
m = 1;
n = 1;
k = 1;
h = min = s = 0;
fr2 = INT2FIX(0);
rof = 0;
sg = DEFAULT_SG;
switch (argc) {
case 9:
val2sg(vsg, sg);
case 8:
val2off(vof, rof);
case 7:
num2int_with_frac(s, positive_inf);
case 6:
num2int_with_frac(min, 6);
case 5:
num2int_with_frac(h, 5);
case 4:
num2int_with_frac(k, 4);
case 3:
n = NUM2INT(vn);
case 2:
m = NUM2INT(vm);
case 1:
y = vy;
}
{
VALUE nth;
int ry, rm, rn, rk, rh, rmin, rs, rjd, rjd2, ns;
if (!valid_nth_kday_p(y, m, n, k, sg,
&nth, &ry,
&rm, &rn, &rk, &rjd,
&ns))
rb_raise(rb_eArgError, "invalid date");
if (!c_valid_time_p(h, min, s, &rh, &rmin, &rs))
rb_raise(rb_eArgError, "invalid date");
canon24oc();
rjd2 = jd_local_to_utc(rjd,
time_to_df(rh, rmin, rs),
rof);
ret = d_complex_new_internal(klass,
nth, rjd2,
0, INT2FIX(0),
rof, sg,
0, 0, 0,
rh, rmin, rs,
HAVE_JD | HAVE_TIME);
}
add_frac();
return ret;
}
|
.ordinal([year = -4712[, yday=1[, hour=0[, minute=0[, second=0[, offset=0[, start=Date::ITALY]]]]]]]) ⇒ Object
Creates a DateTime object denoting the given ordinal date.
DateTime.ordinal(2001,34) #=> #<DateTime: 2001-02-03T00:00:00+00:00 ...>
DateTime.ordinal(2001,34,4,5,6,'+7')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.ordinal(2001,-332,-20,-55,-54,'+7')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
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# File 'ext/date/date_core.c', line 7437
static VALUE
datetime_s_ordinal(int argc, VALUE *argv, VALUE klass)
{
VALUE vy, vd, vh, vmin, vs, vof, vsg, y, fr, fr2, ret;
int d, h, min, s, rof;
double sg;
rb_scan_args(argc, argv, "07", &vy, &vd, &vh, &vmin, &vs, &vof, &vsg);
y = INT2FIX(-4712);
d = 1;
h = min = s = 0;
fr2 = INT2FIX(0);
rof = 0;
sg = DEFAULT_SG;
switch (argc) {
case 7:
val2sg(vsg, sg);
case 6:
val2off(vof, rof);
case 5:
num2int_with_frac(s, positive_inf);
case 4:
num2int_with_frac(min, 4);
case 3:
num2int_with_frac(h, 3);
case 2:
num2int_with_frac(d, 2);
case 1:
y = vy;
}
{
VALUE nth;
int ry, rd, rh, rmin, rs, rjd, rjd2, ns;
if (!valid_ordinal_p(y, d, sg,
&nth, &ry,
&rd, &rjd,
&ns))
rb_raise(rb_eArgError, "invalid date");
if (!c_valid_time_p(h, min, s, &rh, &rmin, &rs))
rb_raise(rb_eArgError, "invalid date");
canon24oc();
rjd2 = jd_local_to_utc(rjd,
time_to_df(rh, rmin, rs),
rof);
ret = d_complex_new_internal(klass,
nth, rjd2,
0, INT2FIX(0),
rof, sg,
0, 0, 0,
rh, rmin, rs,
HAVE_JD | HAVE_TIME);
}
add_frac();
return ret;
}
|
.parse(string = '-4712-01-01T00:00:00+00:00'[, comp=true[, start=Date::ITALY]], limit: 128) ⇒ Object
Parses the given representation of date and time, and creates a DateTime object. This method does not function as a validator.
If the optional second argument is true and the detected year is in the range “00” to “99”, makes it full.
DateTime.parse('2001-02-03T04:05:06+07:00')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.parse('20010203T040506+0700')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.parse('3rd Feb 2001 04:05:06 PM')
#=> #<DateTime: 2001-02-03T16:05:06+00:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8117
static VALUE
datetime_s_parse(int argc, VALUE *argv, VALUE klass)
{
VALUE str, comp, sg, opt;
rb_scan_args(argc, argv, "03:", &str, &comp, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("-4712-01-01T00:00:00+00:00");
case 1:
comp = Qtrue;
case 2:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 2;
VALUE argv2[3];
argv2[0] = str;
argv2[1] = comp;
argv2[2] = opt;
if (!NIL_P(opt)) argc2++;
VALUE hash = date_s__parse(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.rfc2822(string = 'Mon, 1 Jan -4712 00:00:00 +0000'[, start=Date::ITALY], limit: 128) ⇒ Object .rfc822(string = 'Mon, 1 Jan -4712 00:00:00 +0000'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical RFC 2822 formats.
DateTime.rfc2822('Sat, 3 Feb 2001 04:05:06 +0700')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8285
static VALUE
datetime_s_rfc2822(int argc, VALUE *argv, VALUE klass)
{
VALUE str, sg, opt;
rb_scan_args(argc, argv, "02:", &str, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("Mon, 1 Jan -4712 00:00:00 +0000");
case 1:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 1;
VALUE argv2[2];
argv2[0] = str;
argv2[1] = opt;
if (!NIL_P(opt)) argc2++;
VALUE hash = date_s__rfc2822(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.rfc3339(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical RFC 3339 formats.
DateTime.rfc3339('2001-02-03T04:05:06+07:00')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8204
static VALUE
datetime_s_rfc3339(int argc, VALUE *argv, VALUE klass)
{
VALUE str, sg, opt;
rb_scan_args(argc, argv, "02:", &str, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("-4712-01-01T00:00:00+00:00");
case 1:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 1;
VALUE argv2[2];
argv2[0] = str;
argv2[1] = opt;
if (!NIL_P(opt)) argc2++;
VALUE hash = date_s__rfc3339(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.rfc2822(string = 'Mon, 1 Jan -4712 00:00:00 +0000'[, start=Date::ITALY], limit: 128) ⇒ Object .rfc822(string = 'Mon, 1 Jan -4712 00:00:00 +0000'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical RFC 2822 formats.
DateTime.rfc2822('Sat, 3 Feb 2001 04:05:06 +0700')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8285
static VALUE
datetime_s_rfc2822(int argc, VALUE *argv, VALUE klass)
{
VALUE str, sg, opt;
rb_scan_args(argc, argv, "02:", &str, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("Mon, 1 Jan -4712 00:00:00 +0000");
case 1:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 1;
VALUE argv2[2];
argv2[0] = str;
argv2[1] = opt;
if (!NIL_P(opt)) argc2++;
VALUE hash = date_s__rfc2822(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.strptime([string = '-4712-01-01T00:00:00+00:00'[, format='%FT%T%z'[ ,start=Date::ITALY]]]) ⇒ Object
Parses the given representation of date and time with the given template, and creates a DateTime object. strptime does not support specification of flags and width unlike strftime.
DateTime.strptime('2001-02-03T04:05:06+07:00', '%Y-%m-%dT%H:%M:%S%z')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.strptime('03-02-2001 04:05:06 PM', '%d-%m-%Y %I:%M:%S %p')
#=> #<DateTime: 2001-02-03T16:05:06+00:00 …>
DateTime.strptime('2001-W05-6T04:05:06+07:00', '%G-W%V-%uT%H:%M:%S%z')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.strptime('2001 04 6 04 05 06 +7', '%Y %U %w %H %M %S %z')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.strptime('2001 05 6 04 05 06 +7', '%Y %W %u %H %M %S %z')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
DateTime.strptime('-1', '%s')
#=> #<DateTime: 1969-12-31T23:59:59+00:00 …>
DateTime.strptime('-1000', '%Q')
#=> #<DateTime: 1969-12-31T23:59:59+00:00 …>
DateTime.strptime('sat3feb014pm+7', '%a%d%b%y%H%p%z')
#=> #<DateTime: 2001-02-03T16:00:00+07:00 …>
See also strptime(3) and #strftime.
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# File 'ext/date/date_core.c', line 8070
static VALUE
datetime_s_strptime(int argc, VALUE *argv, VALUE klass)
{
VALUE str, fmt, sg;
rb_scan_args(argc, argv, "03", &str, &fmt, &sg);
switch (argc) {
case 0:
str = rb_str_new2("-4712-01-01T00:00:00+00:00");
case 1:
fmt = rb_str_new2("%FT%T%z");
case 2:
sg = INT2FIX(DEFAULT_SG);
}
{
VALUE argv2[2], hash;
argv2[0] = str;
argv2[1] = fmt;
hash = date_s__strptime(2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
.weeknum(*args) ⇒ Object
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# File 'ext/date/date_core.c', line 7689
static VALUE
datetime_s_weeknum(int argc, VALUE *argv, VALUE klass)
{
VALUE vy, vw, vd, vf, vh, vmin, vs, vof, vsg, y, fr, fr2, ret;
int w, d, f, h, min, s, rof;
double sg;
rb_scan_args(argc, argv, "09", &vy, &vw, &vd, &vf,
&vh, &vmin, &vs, &vof, &vsg);
y = INT2FIX(-4712);
w = 0;
d = 1;
f = 0;
h = min = s = 0;
fr2 = INT2FIX(0);
rof = 0;
sg = DEFAULT_SG;
switch (argc) {
case 9:
val2sg(vsg, sg);
case 8:
val2off(vof, rof);
case 7:
num2int_with_frac(s, positive_inf);
case 6:
num2int_with_frac(min, 6);
case 5:
num2int_with_frac(h, 5);
case 4:
f = NUM2INT(vf);
case 3:
num2int_with_frac(d, 4);
case 2:
w = NUM2INT(vw);
case 1:
y = vy;
}
{
VALUE nth;
int ry, rw, rd, rh, rmin, rs, rjd, rjd2, ns;
if (!valid_weeknum_p(y, w, d, f, sg,
&nth, &ry,
&rw, &rd, &rjd,
&ns))
rb_raise(rb_eArgError, "invalid date");
if (!c_valid_time_p(h, min, s, &rh, &rmin, &rs))
rb_raise(rb_eArgError, "invalid date");
canon24oc();
rjd2 = jd_local_to_utc(rjd,
time_to_df(rh, rmin, rs),
rof);
ret = d_complex_new_internal(klass,
nth, rjd2,
0, INT2FIX(0),
rof, sg,
0, 0, 0,
rh, rmin, rs,
HAVE_JD | HAVE_TIME);
}
add_frac();
return ret;
}
|
.xmlschema(string = '-4712-01-01T00:00:00+00:00'[, start=Date::ITALY], limit: 128) ⇒ Object
Creates a new DateTime object by parsing from a string according to some typical XML Schema formats.
DateTime.xmlschema('2001-02-03T04:05:06+07:00')
#=> #<DateTime: 2001-02-03T04:05:06+07:00 …>
Raise an ArgumentError when the string length is longer than limit. You can stop this check by passing ‘limit: nil`, but note that it may take a long time to parse.
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# File 'ext/date/date_core.c', line 8244
static VALUE
datetime_s_xmlschema(int argc, VALUE *argv, VALUE klass)
{
VALUE str, sg, opt;
rb_scan_args(argc, argv, "02:", &str, &sg, &opt);
if (!NIL_P(opt)) argc--;
switch (argc) {
case 0:
str = rb_str_new2("-4712-01-01T00:00:00+00:00");
case 1:
sg = INT2FIX(DEFAULT_SG);
}
{
int argc2 = 1;
VALUE argv2[2];
argv2[0] = str;
argv2[1] = opt;
if (!NIL_P(opt)) argc2++;
VALUE hash = date_s__xmlschema(argc2, argv2, klass);
return dt_new_by_frags(klass, hash, sg);
}
}
|
Instance Method Details
#hour ⇒ Fixnum
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# File 'ext/date/date_core.c', line 5333
static VALUE
d_lite_hour(VALUE self)
{
get_d1(self);
return INT2FIX(m_hour(dat));
}
|
#iso8601([n = 0]) ⇒ String #xmlschema([n = 0]) ⇒ String
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# File 'ext/date/date_core.c', line 8619
static VALUE
dt_lite_iso8601(int argc, VALUE *argv, VALUE self)
{
long n = 0;
rb_check_arity(argc, 0, 1);
if (argc >= 1)
n = NUM2LONG(argv[0]);
return rb_str_append(strftimev("%Y-%m-%d", self, set_tmx),
iso8601_timediv(self, n));
}
|
#jisx0301([n = 0]) ⇒ String
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# File 'ext/date/date_core.c', line 8658
static VALUE
dt_lite_jisx0301(int argc, VALUE *argv, VALUE self)
{
long n = 0;
rb_check_arity(argc, 0, 1);
if (argc >= 1)
n = NUM2LONG(argv[0]);
return rb_str_append(d_lite_jisx0301(self),
iso8601_timediv(self, n));
}
|
#min ⇒ Fixnum #minute ⇒ Fixnum
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# File 'ext/date/date_core.c', line 5349
static VALUE
d_lite_min(VALUE self)
{
get_d1(self);
return INT2FIX(m_min(dat));
}
|
#min ⇒ Fixnum #minute ⇒ Fixnum
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# File 'ext/date/date_core.c', line 5349
static VALUE
d_lite_min(VALUE self)
{
get_d1(self);
return INT2FIX(m_min(dat));
}
|
#new_offset([offset = 0]) ⇒ Object
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# File 'ext/date/date_core.c', line 5647
static VALUE
d_lite_new_offset(int argc, VALUE *argv, VALUE self)
{
VALUE vof;
int rof;
rb_scan_args(argc, argv, "01", &vof);
rof = 0;
if (argc >= 1)
val2off(vof, rof);
return dup_obj_with_new_offset(self, rof);
}
|
#offset ⇒ Object
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# File 'ext/date/date_core.c', line 5396
static VALUE
d_lite_offset(VALUE self)
{
get_d1(self);
return m_of_in_day(dat);
}
|
#rfc3339([n = 0]) ⇒ String
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# File 'ext/date/date_core.c', line 8642
static VALUE
dt_lite_rfc3339(int argc, VALUE *argv, VALUE self)
{
return dt_lite_iso8601(argc, argv, self);
}
|
#sec ⇒ Fixnum #second ⇒ Fixnum
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# File 'ext/date/date_core.c', line 5365
static VALUE
d_lite_sec(VALUE self)
{
get_d1(self);
return INT2FIX(m_sec(dat));
}
|
#sec_fraction ⇒ Object #second_fraction ⇒ Object
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# File 'ext/date/date_core.c', line 5381
static VALUE
d_lite_sec_fraction(VALUE self)
{
get_d1(self);
return m_sf_in_sec(dat);
}
|
#sec ⇒ Fixnum #second ⇒ Fixnum
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# File 'ext/date/date_core.c', line 5365
static VALUE
d_lite_sec(VALUE self)
{
get_d1(self);
return INT2FIX(m_sec(dat));
}
|
#sec_fraction ⇒ Object #second_fraction ⇒ Object
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# File 'ext/date/date_core.c', line 5381
static VALUE
d_lite_sec_fraction(VALUE self)
{
get_d1(self);
return m_sf_in_sec(dat);
}
|
#strftime([format = '%FT%T%:z']) ⇒ String
Formats date according to the directives in the given format string. The directives begin with a percent (%) character. Any text not listed as a directive will be passed through to the output string.
A directive consists of a percent (%) character, zero or more flags, an optional minimum field width, an optional modifier, and a conversion specifier as follows.
%<flags><width><modifier><conversion>
Flags:
- don't pad a numerical output.
_ use spaces for padding.
0 use zeros for padding.
^ upcase the result string.
# change case.
: use colons for %z.
The minimum field width specifies the minimum width.
The modifiers are “E” and “O”. They are ignored.
Format directives:
Date (Year, Month, Day):
%Y - Year with century (can be negative, 4 digits at least)
-0001, 0000, 1995, 2009, 14292, etc.
%C - year / 100 (round down. 20 in 2009)
%y - year % 100 (00..99)
%m - Month of the year, zero-padded (01..12)
%_m blank-padded ( 1..12)
%-m no-padded (1..12)
%B - The full month name (``January'')
%^B uppercased (``JANUARY'')
%b - The abbreviated month name (``Jan'')
%^b uppercased (``JAN'')
%h - Equivalent to %b
%d - Day of the month, zero-padded (01..31)
%-d no-padded (1..31)
%e - Day of the month, blank-padded ( 1..31)
%j - Day of the year (001..366)
Time (Hour, Minute, Second, Subsecond):
%H - Hour of the day, 24-hour clock, zero-padded (00..23)
%k - Hour of the day, 24-hour clock, blank-padded ( 0..23)
%I - Hour of the day, 12-hour clock, zero-padded (01..12)
%l - Hour of the day, 12-hour clock, blank-padded ( 1..12)
%P - Meridian indicator, lowercase (``am'' or ``pm'')
%p - Meridian indicator, uppercase (``AM'' or ``PM'')
%M - Minute of the hour (00..59)
%S - Second of the minute (00..60)
%L - Millisecond of the second (000..999)
%N - Fractional seconds digits, default is 9 digits (nanosecond)
%3N millisecond (3 digits) %15N femtosecond (15 digits)
%6N microsecond (6 digits) %18N attosecond (18 digits)
%9N nanosecond (9 digits) %21N zeptosecond (21 digits)
%12N picosecond (12 digits) %24N yoctosecond (24 digits)
Time zone:
%z - Time zone as hour and minute offset from UTC (e.g. +0900)
%:z - hour and minute offset from UTC with a colon (e.g. +09:00)
%::z - hour, minute and second offset from UTC (e.g. +09:00:00)
%:::z - hour, minute and second offset from UTC
(e.g. +09, +09:30, +09:30:30)
%Z - Equivalent to %:z (e.g. +09:00)
Weekday:
%A - The full weekday name (``Sunday'')
%^A uppercased (``SUNDAY'')
%a - The abbreviated name (``Sun'')
%^a uppercased (``SUN'')
%u - Day of the week (Monday is 1, 1..7)
%w - Day of the week (Sunday is 0, 0..6)
ISO 8601 week-based year and week number:
The week 1 of YYYY starts with a Monday and includes YYYY-01-04.
The days in the year before the first week are in the last week of
the previous year.
%G - The week-based year
%g - The last 2 digits of the week-based year (00..99)
%V - Week number of the week-based year (01..53)
Week number:
The week 1 of YYYY starts with a Sunday or Monday (according to %U
or %W). The days in the year before the first week are in week 0.
%U - Week number of the year. The week starts with Sunday. (00..53)
%W - Week number of the year. The week starts with Monday. (00..53)
Seconds since the Unix Epoch:
%s - Number of seconds since 1970-01-01 00:00:00 UTC.
%Q - Number of milliseconds since 1970-01-01 00:00:00 UTC.
Literal string:
%n - Newline character (\n)
%t - Tab character (\t)
%% - Literal ``%'' character
Combination:
%c - date and time (%a %b %e %T %Y)
%D - Date (%m/%d/%y)
%F - The ISO 8601 date format (%Y-%m-%d)
%v - VMS date (%e-%b-%Y)
%x - Same as %D
%X - Same as %T
%r - 12-hour time (%I:%M:%S %p)
%R - 24-hour time (%H:%M)
%T - 24-hour time (%H:%M:%S)
%+ - date(1) (%a %b %e %H:%M:%S %Z %Y)
This method is similar to the strftime() function defined in ISO C and POSIX. Several directives (%a, %A, %b, %B, %c, %p, %r, %x, %X, %E*, %O* and %Z) are locale dependent in the function. However, this method is locale independent. So, the result may differ even if the same format string is used in other systems such as C. It is good practice to avoid %x and %X because there are corresponding locale independent representations, %D and %T.
Examples:
d = DateTime.new(2007,11,19,8,37,48,"-06:00")
#=> #<DateTime: 2007-11-19T08:37:48-0600 …>
d.strftime("Printed on %m/%d/%Y") #=> "Printed on 11/19/2007"
d.strftime("at %I:%M%p") #=> "at 08:37AM"
Various ISO 8601 formats:
%Y%m%d => 20071119 Calendar date (basic)
%F => 2007-11-19 Calendar date (extended)
%Y-%m => 2007-11 Calendar date, reduced accuracy, specific month
%Y => 2007 Calendar date, reduced accuracy, specific year
%C => 20 Calendar date, reduced accuracy, specific century
%Y%j => 2007323 Ordinal date (basic)
%Y-%j => 2007-323 Ordinal date (extended)
%GW%V%u => 2007W471 Week date (basic)
%G-W%V-%u => 2007-W47-1 Week date (extended)
%GW%V => 2007W47 Week date, reduced accuracy, specific week (basic)
%G-W%V => 2007-W47 Week date, reduced accuracy, specific week (extended)
%H%M%S => 083748 Local time (basic)
%T => 08:37:48 Local time (extended)
%H%M => 0837 Local time, reduced accuracy, specific minute (basic)
%H:%M => 08:37 Local time, reduced accuracy, specific minute (extended)
%H => 08 Local time, reduced accuracy, specific hour
%H%M%S,%L => 083748,000 Local time with decimal fraction, comma as decimal sign (basic)
%T,%L => 08:37:48,000 Local time with decimal fraction, comma as decimal sign (extended)
%H%M%S.%L => 083748.000 Local time with decimal fraction, full stop as decimal sign (basic)
%T.%L => 08:37:48.000 Local time with decimal fraction, full stop as decimal sign (extended)
%H%M%S%z => 083748-0600 Local time and the difference from UTC (basic)
%T%:z => 08:37:48-06:00 Local time and the difference from UTC (extended)
%Y%m%dT%H%M%S%z => 20071119T083748-0600 Date and time of day for calendar date (basic)
%FT%T%:z => 2007-11-19T08:37:48-06:00 Date and time of day for calendar date (extended)
%Y%jT%H%M%S%z => 2007323T083748-0600 Date and time of day for ordinal date (basic)
%Y-%jT%T%:z => 2007-323T08:37:48-06:00 Date and time of day for ordinal date (extended)
%GW%V%uT%H%M%S%z => 2007W471T083748-0600 Date and time of day for week date (basic)
%G-W%V-%uT%T%:z => 2007-W47-1T08:37:48-06:00 Date and time of day for week date (extended)
%Y%m%dT%H%M => 20071119T0837 Calendar date and local time (basic)
%FT%R => 2007-11-19T08:37 Calendar date and local time (extended)
%Y%jT%H%MZ => 2007323T0837Z Ordinal date and UTC of day (basic)
%Y-%jT%RZ => 2007-323T08:37Z Ordinal date and UTC of day (extended)
%GW%V%uT%H%M%z => 2007W471T0837-0600 Week date and local time and difference from UTC (basic)
%G-W%V-%uT%R%:z => 2007-W47-1T08:37-06:00 Week date and local time and difference from UTC (extended)
See also strftime(3) and ::strptime.
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# File 'ext/date/date_core.c', line 8585
static VALUE
dt_lite_strftime(int argc, VALUE *argv, VALUE self)
{
return date_strftime_internal(argc, argv, self,
"%Y-%m-%dT%H:%M:%S%:z", set_tmx);
}
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#to_date ⇒ Object
Returns a Date object which denotes self.
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# File 'ext/date/date_core.c', line 8865
static VALUE
datetime_to_date(VALUE self)
{
get_d1a(self);
if (simple_dat_p(adat)) {
VALUE new = d_lite_s_alloc_simple(cDate);
{
get_d1b(new);
bdat->s = adat->s;
bdat->s.jd = m_local_jd(adat);
return new;
}
}
else {
VALUE new = d_lite_s_alloc_simple(cDate);
{
get_d1b(new);
copy_complex_to_simple(new, &bdat->s, &adat->c);
bdat->s.jd = m_local_jd(adat);
bdat->s.flags &= ~(HAVE_DF | HAVE_TIME | COMPLEX_DAT);
return new;
}
}
}
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#to_datetime ⇒ self
Returns self.
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# File 'ext/date/date_core.c', line 8897
static VALUE
datetime_to_datetime(VALUE self)
{
return self;
}
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#to_s ⇒ String
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# File 'ext/date/date_core.c', line 8401
static VALUE
dt_lite_to_s(VALUE self)
{
return strftimev("%Y-%m-%dT%H:%M:%S%:z", self, set_tmx);
}
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#to_time ⇒ Time
Returns a Time object which denotes self.
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# File 'ext/date/date_core.c', line 8835
static VALUE
datetime_to_time(VALUE self)
{
volatile VALUE dup = dup_obj(self);
{
VALUE t;
get_d1(dup);
t = rb_funcall(rb_cTime,
rb_intern("new"),
7,
m_real_year(dat),
INT2FIX(m_mon(dat)),
INT2FIX(m_mday(dat)),
INT2FIX(m_hour(dat)),
INT2FIX(m_min(dat)),
f_add(INT2FIX(m_sec(dat)),
m_sf_in_sec(dat)),
INT2FIX(m_of(dat)));
return t;
}
}
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#iso8601([n = 0]) ⇒ String #xmlschema([n = 0]) ⇒ String
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# File 'ext/date/date_core.c', line 8619
static VALUE
dt_lite_iso8601(int argc, VALUE *argv, VALUE self)
{
long n = 0;
rb_check_arity(argc, 0, 1);
if (argc >= 1)
n = NUM2LONG(argv[0]);
return rb_str_append(strftimev("%Y-%m-%d", self, set_tmx),
iso8601_timediv(self, n));
}
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