package progress
User-definable progress bars
Install
Dune Dependency
Authors
Maintainers
Sources
progress-0.4.0.tbz
sha256=8be449553379bb2dc5e8b79805c80447690a03dca3e9aee959fecf46d8278fb7
sha512=841383e8aa7d6bd802ced5eb7feae01bd507b2914eb45e8a559140677f83d5b8ec614f1d0bc54421021b5254a1edd78dd8a2506b2dfb264af72448d76bd03ac5
doc/src/progress.engine/units.ml.html
Source file units.ml
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(*———————————————————————————————————————————————————————————————————————————— Copyright (c) 2020–2021 Craig Ferguson <me@craigfe.io> Distributed under the MIT license. See terms at the end of this file. ————————————————————————————————————————————————————————————————————————————*) open! Import module Percentage = struct let clamp (lower, upper) = min upper >> max lower let of_float = let percentage x = clamp (0, 100) (Float.to_int (x *. 100.)) in let pp ppf x = Format.fprintf ppf "%3.0d%%" (percentage x) in let to_string x = Format.asprintf "%3.0d%%" (percentage x) in Printer.create ~string_len:4 ~to_string ~pp () end module Bytes = struct let rec power = function 1 -> 1024L | n -> Int64.mul 1024L (power (n - 1)) let conv exp = Int64.(of_int >> mul (power exp)) let kib = conv 1 let mib = conv 2 let gib = conv 3 let tib = conv 4 let pib = conv 5 (** Pretty-printer for byte counts *) let generic (type a) (module Integer : Integer.S with type t = a) = let process_components x k = let mantissa, unit, rpad = match[@ocamlformat "disable"] Integer.to_float x with | n when Float.(n < 1024. ) -> (n , "B", " ") | n when Float.(n < 1024. ** 2.) -> (n /. 1024. , "KiB", "") | n when Float.(n < 1024. ** 3.) -> (n /. (1024. ** 2.), "MiB", "") | n when Float.(n < 1024. ** 4.) -> (n /. (1024. ** 3.), "GiB", "") | n when Float.(n < 1024. ** 5.) -> (n /. (1024. ** 4.), "TiB", "") | n when Float.(n < 1024. ** 6.) -> (n /. (1024. ** 5.), "PiB", "") | n -> (n /. (1024. ** 6.), "EiB", "") in (* Round down to the nearest 0.1 *) let mantissa = Float.trunc (mantissa *. 10.) /. 10. in let lpad = match mantissa with | n when Float.(n < 10.) -> " " | n when Float.(n < 100.) -> " " | n when Float.(n < 1000.) -> " " | _ -> "" in k ~mantissa ~unit ~rpad ~lpad in let pp ppf x = process_components x (fun ~mantissa ~unit ~rpad:_ ~lpad:_ -> Fmt.pf ppf "%.1f %s" mantissa unit) in let to_string x = process_components x (fun ~mantissa ~unit ~rpad ~lpad -> Printf.sprintf "%s%.1f %s%s" lpad mantissa unit rpad) in let string_len = 10 in Printer.create ~to_string ~string_len ~pp () let of_int = generic (module Integer.Int) let of_int63 = generic (module Integer.Int63) let of_int64 = generic (module Integer.Int64) let of_float = generic (module Integer.Float) let pp_int63 = Printer.to_pp of_int63 end module Duration = struct let mm_ss = let to_string span = let seconds = Mtime.span_to_s span in if Float.compare seconds 0. < 0 then "--:--" else Printf.sprintf "%02.0f:%02.0f" (Float.div seconds 60. |> Float.floor) (Float.rem seconds 60. |> Float.floor) in Printer.create ~string_len:5 ~to_string () let hh_mm_ss = let to_string span = let seconds = Mtime.span_to_s span in if Float.compare seconds 0. < 0 then "--:--:--" else Printf.sprintf "%02.0f:%02.0f:%02.0f" (Float.div seconds 3600. |> Float.floor) (Float.(rem (div seconds 60.) 60.) |> Float.floor) (Float.rem seconds 60. |> Float.floor) in Printer.create ~string_len:8 ~to_string () end (*———————————————————————————————————————————————————————————————————————————— Copyright (c) 2020–2021 Craig Ferguson <me@craigfe.io> Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. 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. ————————————————————————————————————————————————————————————————————————————*)
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