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type t = (int * int) * (bool * bool)
let u = UTF8.from_utf8string
let from_string (fixed_x, x_name) (fixed_y, y) =
let x = ref 0 in
String.iter (function
| 'a'..'z' as c -> x:= (!x * 26) + ((int_of_char c) - 96)
| 'A'..'Z' as c -> x:= (!x * 26) + ((int_of_char c) - 64)
| _ -> ()
) x_name;
(!x, y), (fixed_x, fixed_y)
let to_hname x = begin
let rec extract acc value =
if value > 0 then (
let value' = value - 1 in
let rem = value' mod 26 in
let quot = (value' - rem) / 26
in extract ((char_of_int (65 + rem))::acc) quot
) else (
acc
)
in
let res = extract [] x
and buff = UTF8.Buffer.create 4 in
List.iter (fun c -> UTF8.Buffer.add_char buff c) res;
UTF8.Buffer.contents buff
end
let to_string ((x, y), (fixed_x, fixed_y)) =
let buff = UTF8.Buffer.create 2 in
if fixed_x then UTF8.Buffer.add_char buff '$';
UTF8.Buffer.add_string buff (to_hname x);
if fixed_y then UTF8.Buffer.add_char buff '$';
UTF8.Buffer.add_string buff @@ u @@ string_of_int y;
UTF8.Buffer.contents buff
let to_buffer buff ((x, y), (fixed_x, fixed_y)) = begin
if fixed_x then UTF8.Buffer.add_char buff '$';
UTF8.Buffer.add_string buff (to_hname x);
if fixed_y then UTF8.Buffer.add_char buff '$';
UTF8.Buffer.add_string buff @@ u @@ string_of_int y
end
let to_string t =
let buff = UTF8.Buffer.create 2 in
to_buffer buff t;
UTF8.Buffer.contents buff
let to_pair = Pervasives.fst
module Set = (struct
include Set.Make(struct
type t = (int * int)
let compare = Pervasives.compare
end)
let show_int_tuple b t = Tools.Tuple2.printb
(fun b x -> UTF8.Buffer.add_string b @@u(string_of_int x))
(fun b x -> UTF8.Buffer.add_string b @@u(string_of_int x))
b t
let printb buff =
iter (fun x -> to_buffer buff (x, (false,false)); UTF8.Buffer.add_char buff ' ')
end)
|
