Revision 2314ff8aef4492aee55f65330d4dc15ed1d5c1f6 authored by Pietro on 23 April 2020, 10:46:43 UTC, committed by Romain on 11 May 2020, 14:42:04 UTC
1 parent 32818f5
animation.ml
(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2019 Nomadic Labs, <contact@nomadic-labs.com> *)
(* *)
(* Permission is hereby granted, free of charge, to any person obtaining a *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, sublicense, *)
(* and/or sell copies of the Software, and to permit persons to whom the *)
(* Software is furnished to do so, subject to the following conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be included *)
(* in all copies or substantial portions of the Software. *)
(* *)
(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *)
(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *)
(* DEALINGS IN THE SOFTWARE. *)
(* *)
(*****************************************************************************)
let animation =
[| "|.....|";
"|o....|";
"|oo...|";
"|ooo..|";
"|.ooo.|";
"|..ooo|";
"|...oo|";
"|....o|";
"|.....|";
"|.....|";
"|.....|";
"|.....|" |]
let init = String.make (String.length animation.(0)) ' '
let clean = String.make (String.length animation.(0)) '\b'
let animation = Array.map (fun x -> clean ^ x) animation
let number_of_frames = Array.length animation
let make_with_animation ppf ~make ~on_retry seed =
Format.fprintf ppf "%s%!" init ;
let rec loop n seed =
let start = Mtime_clock.counter () in
Format.fprintf ppf "%s%!" animation.(n mod number_of_frames) ;
match make seed with
| Ok v ->
v
| Error r ->
let time = Mtime_clock.count start in
let v = on_retry time r in
loop (n + 1) v
in
let result = loop 0 seed in
Format.fprintf ppf "%s%s\n%!" clean init ;
result
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