package shakuhachi

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Source file stringUtil.ml

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(*****************************************************************************)
(*                                                                           *)
(*  Copyright (C) 2026 Yves Ndiaye                                           *)
(*                                                                           *)
(* This Source Code Form is subject to the terms of the Mozilla Public       *)
(* License, v. 2.0. If a copy of the MPL was not distributed with this       *)
(* file, You can obtain one at https://mozilla.org/MPL/2.0/.                 *)
(*                                                                           *)
(*****************************************************************************)

(** [make_path_safe s] replaces all {i slash}, {i backslash} and {i 0x00}
    characters by {i _} *)
let make_path_safe s =
  String.map (function '/' | '\\' | '\000' -> '_' | c -> c) s

let rec chunks current acc n s =
  match s with
  | [] ->
      acc
  | t :: q -> (
      let s = Printf.sprintf "%s%c" current t in
      match String.length s with
      | l when l = n ->
          chunks String.empty (s :: acc) n q
      | _ ->
          chunks s acc n q
    )

(** [chunks n s] sépare [s] en une liste de [n] strings *)
let chunks ?(rev = false) n s =
  let s = chunks String.empty [] n (List.of_seq @@ String.to_seq s) in
  if rev then
    s
  else
    List.rev s