mirror of https://gitlab.com/scemama/QCaml.git
47 lines
988 B
OCaml
47 lines
988 B
OCaml
type t = int list
|
|
|
|
let to_int_list r = r
|
|
|
|
let expand_range r =
|
|
match String.split_on_char '-' r with
|
|
| s :: f :: [] ->
|
|
begin
|
|
let start = int_of_string s
|
|
and finish = int_of_string f
|
|
in
|
|
assert (start <= finish) ;
|
|
let rec do_work = function
|
|
| i when i=finish -> [ i ]
|
|
| i -> i::(do_work (i+1))
|
|
in do_work start
|
|
end
|
|
| r :: [] -> int_of_string r
|
|
| [] -> []
|
|
| _ -> invalid_arg "Only one range expected"
|
|
|
|
|
|
let of_string s =
|
|
match s.[0] with
|
|
| '0' .. '9' -> [ int_of_string s ]
|
|
| _ ->
|
|
assert (s.[0] = '[') ;
|
|
assert (s.[(String.length s)-1] = ']') ;
|
|
let s = String.sub s 1 ((String.length s) - 2) in
|
|
let l = String_ext.split ~on:',' s in
|
|
let l = List.map expand_range l in
|
|
List.concat l
|
|
|> List.sort_uniq compare
|
|
|
|
|
|
let to_string l =
|
|
"[" ^
|
|
(List.map string_of_int l
|
|
|> String.concat ",") ^
|
|
"]"
|
|
|
|
|
|
let pp_range ppf t =
|
|
Format.fprintf "@[%s@]" ppf (to_string t)
|
|
|
|
|