mirror of
https://github.com/QuantumPackage/qp2.git
synced 2024-10-08 08:57:19 +02:00
92 lines
2.1 KiB
OCaml
92 lines
2.1 KiB
OCaml
open Core
|
|
|
|
type t =
|
|
{
|
|
title: string;
|
|
start_value: float;
|
|
cur_value : float;
|
|
end_value : float;
|
|
bar_length : int;
|
|
init_time : Time.t;
|
|
dirty : bool;
|
|
next : Time.t;
|
|
}
|
|
|
|
let init ?(bar_length=20) ?(start_value=0.) ?(end_value=1.) ~title =
|
|
{ title ; start_value ; end_value ; bar_length ; cur_value=start_value ;
|
|
init_time= Time.now () ; dirty = false ; next = Time.now () }
|
|
|
|
let update ~cur_value bar =
|
|
{ bar with cur_value ; dirty=true }
|
|
|
|
let increment_end bar =
|
|
{ bar with end_value=(bar.end_value +. 1.) ; dirty=false }
|
|
|
|
let clear bar =
|
|
Printf.eprintf " \r%!";
|
|
None
|
|
|
|
|
|
let increment_cur bar =
|
|
{ bar with cur_value=(bar.cur_value +. 1.) ; dirty=true }
|
|
|
|
let display_tty bar =
|
|
let percent =
|
|
100. *. (bar.cur_value -. bar.start_value) /.
|
|
(bar.end_value -. bar.start_value)
|
|
in
|
|
let n_hashes =
|
|
(Float.of_int bar.bar_length) *. percent /. 100.
|
|
|> Float.to_int
|
|
in
|
|
let hashes =
|
|
String.init bar.bar_length ~f:(fun i ->
|
|
if (i < n_hashes) then '#'
|
|
else ' '
|
|
)
|
|
in
|
|
let now =
|
|
Time.now ()
|
|
in
|
|
let running_time =
|
|
Time.abs_diff now bar.init_time
|
|
in
|
|
Printf.eprintf "%s : [%s] %4.1f%% | %10s\r%!"
|
|
bar.title
|
|
hashes
|
|
percent
|
|
(Time.Span.to_string running_time);
|
|
{ bar with dirty = false ; next = Time.add now (Time.Span.of_sec 0.1) }
|
|
|
|
|
|
let display_file bar =
|
|
let percent =
|
|
100. *. (bar.cur_value -. bar.start_value) /.
|
|
(bar.end_value -. bar.start_value)
|
|
in
|
|
let running_time =
|
|
Time.abs_diff (Time.now ()) bar.init_time
|
|
in
|
|
Printf.eprintf "%5.2f %% in %20s \n%!"
|
|
percent
|
|
(Time.Span.to_string running_time);
|
|
{ bar with dirty = false ; next = Time.add (Time.now ()) (Time.Span.of_sec 10.) }
|
|
|
|
|
|
|
|
let display bar =
|
|
if (not bar.dirty) then
|
|
bar
|
|
else if (Time.now () < bar.next) then
|
|
bar
|
|
else
|
|
begin
|
|
if (Unix.isatty Unix.stdout) then
|
|
display_tty bar
|
|
else
|
|
display_file bar
|
|
end
|
|
|
|
|
|
|