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|
let u = UTF8.from_utf8string
module Option = struct
let map f = function
| Some x -> Some (f x)
| None -> None
end
module String = struct
include String
let split str ~by:sep = begin
let p = String.index str sep in
let slen = String.length str in
String.sub str 0 p, String.sub str (p + 1) (slen - p - 1)
end
let cut str ~by:sep = begin
try String.sub str 0 @@ String.index str sep with
| Not_found -> str
end
let string_of_ints v = begin
let buff = Buffer.create 1 in
let rec convert value = begin
Buffer.add_char buff @@ char_of_int @@ value land 0xFF;
let rem = value lsr 8 in
match rem with
| 0 -> Buffer.contents buff
| x -> convert x
end in
let res = convert v in
let buff' = Buffer.create @@ String.length res in
for i = ((String.length res) - 1) downto 0 do
Buffer.add_char buff' @@ String.get res i
done;
Buffer.contents buff'
end
let print_buffer f t = begin
let buff = UTF8.Buffer.create 16 in
f buff t;
UTF8.Buffer.contents buff
end
let filter_float str = begin
let l = String.length str in
if l > 0 && String.get str (l - 1) = '.' then
String.sub str 0 (l - 1)
else
str
end
end
module Num = struct
include Num
let of_float_string a = begin
try
let ipart_s,fpart_s = String.split a ~by:'.' in
let ipart = if ipart_s = "" then Num.Int 0 else Num.num_of_string ipart_s in
let fpart =
if fpart_s = "" then Num.Int 0
else
let fpart = Num.num_of_string fpart_s in
let num10 = Num.num_of_int 10 in
let frac = Num.power_num num10 (Num.num_of_int (String.length fpart_s)) in
Num.div_num fpart frac
in
Num.add_num ipart fpart
with Not_found -> Num.num_of_string a
end
end
module List = struct
(** fold_left over only the first element *)
let fst f init = function
| hd::tl -> f init hd
| [] -> init
let printb ?(first=(u"(")) ?(last=(u")")) ?(sep=(u",")) f buffer elems = begin
let rec print = begin function
| [] -> ()
| hd::[] ->
f buffer hd;
| hd::tl ->
f buffer hd;
UTF8.Buffer.add_string buffer sep;
print tl
end in
UTF8.Buffer.add_string buffer first;
print elems;
UTF8.Buffer.add_string buffer last
end
end
module Tuple2 = struct
let fst = Pervasives.fst
let snd = Pervasives.snd
let map1 f (a, b) = (f a, b)
let map2 f (a, b) = (a, f b)
let replace1 v (a, b) = (v, b)
let replace2 v (a, b) = (a, v)
let printb ?(first="(") ?(last=")") ?(sep=",") format1 format2 out (a, b) = begin
UTF8.Printf.bprintf out "%s%a%s%a%s"
first
format1 a
sep
format2 b
last
end
end
module Tuple3 = struct
let fst (a, b, c) = a
let snd (a, b, c) = b
let thd (a, b, c) = c
let map f (a, b, c) = (f a, f b, f c)
let map1 f (a, b, c) = (f a, b, c)
let map2 f (a, b, c) = (a, f b, c)
let map3 f (a, b, c) = (a, b, f c)
let replace1 v (a, b, c) = (v, b, c)
let replace2 v (a, b, c) = (a, v, c)
let replace3 v (a, b, c) = (a, b, v)
end
(*
module Locale = struct
type locale =
| LC_ALL
| LC_COLLATE
| LC_CTYPE
| LC_MONETARY
| LC_NUMERIC
| LC_TIME
| LC_MESSAGES
external set: locale -> string -> string = "c_set_locale"
external length: string -> int = "c_length"
end
*)
module NCurses = struct
type mouse_event =
| BUTTON1_PRESSED
| BUTTON1_RELEASED
| BUTTON1_CLICKED
| BUTTON1_DOUBLE_CLICKED
| BUTTON1_TRIPLE_CLICKED
| BUTTON2_PRESSED
| BUTTON2_RELEASED
| BUTTON2_CLICKED
| BUTTON2_DOUBLE_CLICKED
| BUTTON2_TRIPLE_CLICKED
| BUTTON3_PRESSED
| BUTTON3_RELEASED
| BUTTON3_CLICKED
| BUTTON3_DOUBLE_CLICKED
| BUTTON3_TRIPLE_CLICKED
| BUTTON4_PRESSED
| BUTTON4_RELEASED
| BUTTON4_CLICKED
| BUTTON4_DOUBLE_CLICKED
| BUTTON4_TRIPLE_CLICKED
| BUTTON_SHIFT
| BUTTON_CTRL
| BUTTON_ALT
| ALL_MOUSE_EVENTS
| REPORT_MOUSE_POSITION
type event_type
external set_mouse_event: mouse_event list -> unit = "c_set_mouse_event"
external get_mouse_event: unit -> (int * event_type * (int * int * int)) option = "c_get_mouse_event"
external is_event_of_type: mouse_event -> event_type -> bool = "c_is_event_of_type"
end
module Date = struct
type t = Num.num
let get_julian_day year month day = begin
CalendarLib.Date.make year month day
|> CalendarLib.Date.to_jd
|> Num.num_of_int
end
let date_from_julian_day j = begin
let date = CalendarLib.Date.from_jd (Num.int_of_num @@ Num.floor_num j) in
(CalendarLib.Date.year date),
(CalendarLib.Date.int_of_month @@ CalendarLib.Date.month date),
(CalendarLib.Date.day_of_month date)
end
let time_from_julian_day j = begin Num.(
let day = floor_num j in
let time = j -/ day in
let h = floor_num @@ time */ (num_of_int 24) in
let h_24 = (h // (num_of_int 24)) in
let m = floor_num @@ (num_of_int 1440) */ (time -/ h_24 ) in
let s = (num_of_int 86400) */ (time -/ h_24 -/ (m // (num_of_int 1440))) in
(h, m, s)
) end
(** Compute the julian for a given date.
Integer return number of days since November 24, 4714 BC.
Fractionnal part return the time since midnight.
*)
let from_string str = begin
let n = Num.num_of_int in
let date_regex = Str.regexp "[0-9]+-[0-9]+-[0-9]+"
and time_regex = Str.regexp "[0-9]+-[0-9]+-[0-9]+T[0-9]+:[0-9]+:[0-9]" in
if Str.string_match time_regex str 0 then
Scanf.sscanf str "%d-%d-%dT%d:%d:%d" (fun year month day hour min sec ->
Num.(
let nhour = n hour // (n 24)
and nmin = n min // (n 1440)
and nsec = n sec // (n 86400) in
(get_julian_day year month day) +/ nhour +/ nmin +/ nsec
)
) else if Str.string_match date_regex str 0 then
Scanf.sscanf str "%d-%d-%d" get_julian_day
else (
Num.num_of_int 0
)
end
let to_string date = begin
let y, m, d = date_from_julian_day date
and h, n, s = time_from_julian_day date in
Printf.sprintf "%d-%02d-%02dT%02d:%02d:%02g"
y
m
d
(Num.int_of_num h)
(Num.int_of_num n)
(Num.float_of_num s)
end
end
let try_finally f except =
try let res = f () in
except ();
res
with e ->
except ();
raise e
|