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open Date_time_components
type pick =
| S of int
| MS of {
minute : int;
second : int;
}
| HMS of {
hour : int;
minute : int;
second : int;
}
| WHMS of {
weekday : weekday;
hour : int;
minute : int;
second : int;
}
| DHMS of {
month_day : int;
hour : int;
minute : int;
second : int;
}
| MDHMS of {
month : month;
month_day : int;
hour : int;
minute : int;
second : int;
}
| YMDHMS of {
year : int;
month : month;
month_day : int;
hour : int;
minute : int;
second : int;
}
type t = pick * tz_info option
let precision ((pick, _) : t) : int =
match pick with
| S _ -> 0
| MS _ -> 1
| HMS _ -> 2
| WHMS _ -> 3
| DHMS _ -> 4
| MDHMS _ -> 5
| YMDHMS _ -> 6
let make ?tz ?tz_offset ?year ?month ?day ?weekday ?hour ?minute ~second () :
t option =
let tz_info =
match (tz, tz_offset) with
| None, None -> Some None
| _, _ -> Some (make_tz_info ?tz ?tz_offset ())
in
match tz_info with
| None -> None
| Some tz_info ->
let year_is_fine =
match year with
| None -> true
| Some year -> Constants.min_year <= year && year <= Constants.max_year
in
let month_day_is_fine =
match day with None -> true | Some x -> -31 <= x && x <= 31 && x <> 0
in
let hour_is_fine =
match hour with None -> true | Some x -> 0 <= x && x < 24
in
let minute_is_fine =
match hour with None -> true | Some x -> 0 <= x && x < 60
in
let second_is_fine =
match hour with None -> true | Some x -> 0 <= x && x < 60
in
if
year_is_fine
&& month_day_is_fine
&& hour_is_fine
&& minute_is_fine
&& second_is_fine
then
let pick =
match (year, month, day, weekday, hour, minute) with
| None, None, None, None, None, None -> Some (S second)
| None, None, None, None, None, Some minute ->
Some (MS { minute; second })
| None, None, None, None, Some hour, Some minute ->
Some (HMS { hour; minute; second })
| None, None, None, Some weekday, Some hour, Some minute ->
Some (WHMS { weekday; hour; minute; second })
| None, None, Some month_day, None, Some hour, Some minute ->
Some (DHMS { month_day; hour; minute; second })
| None, Some month, Some month_day, None, Some hour, Some minute ->
Some (MDHMS { month; month_day; hour; minute; second })
| Some year, Some month, Some month_day, None, Some hour, Some minute
->
Some (YMDHMS { year; month; month_day; hour; minute; second })
| _ -> None
in
CCOpt.map (fun pick -> (pick, tz_info)) pick
else None
let make_exn ?tz ?tz_offset ?year ?month ?day ?weekday ?hour ?minute ~second ()
=
match
make ?tz ?tz_offset ?year ?month ?day ?weekday ?hour ?minute ~second ()
with
| None -> invalid_arg "make"
| Some x -> x
let equal_pick t1 t2 =
match (t1, t2) with
| S x1, S x2 -> x1 = x2
| MS { minute = m1; second = s1 }, MS { minute = m2; second = s2 } ->
m1 = m2 && s1 = s2
| ( HMS { hour = h1; minute = m1; second = s1 },
HMS { hour = h2; minute = m2; second = s2 } ) ->
h1 = h2 && m1 = m2 && s1 = s2
| ( DHMS { month_day = day1; hour = h1; minute = m1; second = s1 },
DHMS { month_day = day2; hour = h2; minute = m2; second = s2 } ) ->
day1 = day2 && h1 = h2 && m1 = m2 && s1 = s2
| ( WHMS { weekday = day1; hour = h1; minute = m1; second = s1 },
WHMS { weekday = day2; hour = h2; minute = m2; second = s2 } ) ->
day1 = day2 && h1 = h2 && m1 = m2 && s1 = s2
| ( MDHMS
{ month = mon1; month_day = day1; hour = h1; minute = m1; second = s1 },
MDHMS
{ month = mon2; month_day = day2; hour = h2; minute = m2; second = s2 }
) ->
mon1 = mon2 && day1 = day2 && h1 = h2 && m1 = m2 && s1 = s2
| ( YMDHMS
{
year = y1;
month = mon1;
month_day = day1;
hour = h1;
minute = m1;
second = s1;
},
YMDHMS
{
year = y2;
month = mon2;
month_day = day2;
hour = h2;
minute = m2;
second = s2;
} ) ->
y1 = y2 && mon1 = mon2 && day1 = day2 && h1 = h2 && m1 = m2 && s1 = s2
| _, _ -> false
let equal (pick1, tz_info1) (pick2, tz_info2) =
equal_pick pick1 pick2 && CCOpt.equal equal_tz_info tz_info1 tz_info2
let to_pattern (t, _tz_info) =
let years =
match t with
| YMDHMS { year; _ } -> Int_set.add year Int_set.empty
| _ -> Int_set.empty
in
let months =
match t with
| YMDHMS { month; _ } | MDHMS { month; _ } ->
Month_set.add month Month_set.empty
| _ -> Month_set.empty
in
let month_days =
match t with
| YMDHMS { month_day; _ } | MDHMS { month_day; _ } | DHMS { month_day; _ }
->
Int_set.add month_day Int_set.empty
| _ -> Int_set.empty
in
let weekdays =
match t with
| WHMS { weekday; _ } -> Weekday_set.add weekday Weekday_set.empty
| _ -> Weekday_set.empty
in
let hours =
match t with
| YMDHMS { hour; _ }
| MDHMS { hour; _ }
| WHMS { hour; _ }
| DHMS { hour; _ }
| HMS { hour; _ } ->
Int_set.add hour Int_set.empty
| _ -> Int_set.empty
in
let minutes =
match t with
| YMDHMS { minute; _ }
| MDHMS { minute; _ }
| WHMS { minute; _ }
| DHMS { minute; _ }
| HMS { minute; _ }
| MS { minute; _ } ->
Int_set.add minute Int_set.empty
| _ -> Int_set.empty
in
let seconds =
match t with
| YMDHMS { second; _ }
| MDHMS { second; _ }
| WHMS { second; _ }
| DHMS { second; _ }
| HMS { second; _ }
| MS { second; _ }
| S second ->
Int_set.add second Int_set.empty
in
Pattern.{ years; months; month_days; weekdays; hours; minutes; seconds }