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(*
This file is part of licht.
licht is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
licht is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with licht. If not, see <http://www.gnu.org/licenses/>.
*)
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 =
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 [@tailcall]) (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
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)) =
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
let to_string t =
let buff = UTF8.Buffer.create 2 in
to_buffer buff t;
UTF8.Buffer.contents buff
let to_pair = Stdlib.fst
module Set = struct
include Set.Make (struct
type t = int * int
let compare = Stdlib.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
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