1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2008 Floréal Morandat <morandat@lirmm.fr>
4 # Copyright 2014 Alexandre Terrasa <alexandre@moz-code.org>
6 # This file is free software, which comes along with NIT. This software is
7 # distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
8 # without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
9 # PARTICULAR PURPOSE. You can modify it is you want, provided this header
10 # is kept unaltered, and a notification of the changes is added.
11 # You are allowed to redistribute it and sell it, alone or is a part of
14 # Management of time and dates
24 # Unix time: the number of seconds elapsed since January 1, 1970
25 fun get_time
: Int `{ return time(NULL); `}
28 # Wait a specific number of second and nanoseconds
29 fun nanosleep(sec, nanosec: Int) `{
30 const struct timespec req
= {sec, nanosec};
31 nanosleep
(&req
, NULL);
36 extern class TimeT `{time_t`}
38 # Returns Time since epoch from now.
39 new `{ return time(NULL); `}
41 # Returns Time since epoch from `i
` (expressed in seconds).
42 new from_i(i: Int) `{ return i; `}
44 # Update current time.
45 fun update
`{ time(&self); `}
47 # Convert `self` to a human readable String.
48 fun ctime: String import NativeString.to_s_with_copy `{
49 return NativeString_to_s_with_copy( ctime
(&self) );
52 # Difference in secondes from start (self if the end time)
53 fun difftime(start: TimeT): Float `{ return difftime(self, start); `}
55 redef fun to_s
do return ctime
.replace
("\n", "")
57 # Convert self to Int (expressed as seconds since epoch).
58 fun to_i
: Int `{ return (int)self; `}
62 extern class Tm `{struct tm *`}
64 # Create a new Time structure expressed in Coordinated Universal Time (UTC).
67 time_t t = time(NULL);
72 # Create a new Time structure expressed in UTC from `t`.
73 new gmtime_from_timet
(t
: TimeT) `{
79 # Create a new Time structure expressed in the local timezone.
82 time_t t = time(NULL);
87 # Create a new Time structure expressed in the local timezone from `t`.
88 new localtime_from_timet
(t
: TimeT) `{
94 # Convert `self` as a TimeT.
95 fun to_timet
: TimeT `{ return mktime(self); `}
97 # Seconds after the minute.
98 fun sec: Int `{ return self->tm_sec; `}
100 # Minutes after the hour.
101 fun min
: Int `{ return self->tm_min; `}
103 # hours since midnight.
104 fun hour: Int `{ return self->tm_hour; `}
107 fun mday
: Int `{ return self->tm_mday; `}
109 # Months since January.
110 fun mon: Int `{ return self->tm_mon; `}
113 fun year
: Int `{ return self->tm_year; `}
116 fun wday: Int `{ return self->tm_wday; `}
118 # Days since January 1st.
119 fun yday
: Int `{ return self->tm_yday; `}
121 # Is `self` in Daylight Saving Time.
122 fun is_dst: Bool `{ return self->tm_isdst; `}
124 # Convert `self` to a human readable String.
125 fun asctime
: String import NativeString.to_s_with_copy
`{
126 return NativeString_to_s_with_copy( asctime(self) );
129 # Convert `self` to a human readable String corresponding to `format`.
130 # TODO document allowed format.
131 fun strftime
(format
: String): String import String.to_cstring
, NativeString.to_s
`{
132 char* buf, *c_format;
134 buf = (char*)malloc(100);
135 c_format = String_to_cstring(format);
137 strftime(buf, 100, c_format, self);
138 String s = NativeString_to_s_with_copy(buf);
143 redef fun to_s
do return asctime
.replace
("\n", "")
146 # Date using the international format defined by ISO 8601.
150 # # By default ISODate at today.
151 # var date = new ISODate
152 # var tm = new Tm.localtime
153 # assert date.year == tm.year + 1900
154 # assert date.month == tm.mon + 1
155 # assert date.day == tm.mday
157 # # ISODate can be initialized from a String.
158 # date = new ISODate.from_string("1970-01-01T00:00:00Z")
159 # assert date.year == 1970
160 # assert date.month == 1
161 # assert date.day == 1
163 # # ISODate can be printed as String following the ISO format.
164 # assert date.to_s == "1970-01-01T00:00:00Z"
166 # Note that only the `YYYY-MM-DDTHH:MM:SSZ` is supported for now.
168 # See <http://www.w3.org/QA/Tips/iso-date>
173 var year
: Int is noinit
175 # UTC months as Int (`1` for January).
176 var month
: Int is noinit
178 # UTC days as Int (starting at `1`).
179 var day
: Int is noinit
182 var hours
: Int is noinit
184 # UTC minutes as Int.
185 var minutes
: Int is noinit
187 # UTC seconds as Int.
188 var seconds
: Int is noinit
190 # UTC timezone marker.
192 # Note that I don't know what will happen if you change this value...
196 var t
= new Tm.localtime
205 # Init `self` from a ISODate formatted string.
206 init from_string
(str
: String) do
207 year
= str
.substring
(0, 4).to_i
208 month
= str
.substring
(5, 2).to_i
209 day
= str
.substring
(8, 2).to_i
210 hours
= str
.substring
(11, 2).to_i
211 minutes
= str
.substring
(14, 2).to_i
212 seconds
= str
.substring
(17, 2).to_i
213 timezone
= str
.substring
(19, str
.length
)
217 var buff
= new FlatBuffer
218 buff
.append year
.to_s
220 if month
< 10 then buff
.add
'0'
221 buff
.append month
.to_s
223 if day
< 10 then buff
.add
'0'
226 if hours
< 10 then buff
.add
'0'
227 buff
.append hours
.to_s
229 if minutes
< 10 then buff
.add
'0'
230 buff
.append minutes
.to_s
232 if seconds
< 10 then buff
.add
'0'
233 buff
.append seconds
.to_s
235 return buff
.write_to_string
238 redef type OTHER: ISODate
240 # TODO handle timezones
241 redef fun <(o
) do return to_s
< o
.to_s