mte/unikernel/duniverse/mirage/lib/functoria/misc.ml
2025-11-11 02:07:51 +01:00

68 lines
2 KiB
OCaml

(*
* Copyright (c) 2013-2020 Thomas Gazagnaire <thomas@gazagnaire.org>
* Copyright (c) 2013-2020 Anil Madhavapeddy <anil@recoil.org>
* Copyright (c) 2015-2020 Gabriel Radanne <drupyog@zoho.com>
*
* Permission to use, copy, modify, and 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" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*)
open Rresult
open Astring
let err_cmdliner ?(usage = false) = function
| Ok x -> `Ok x
| Error s -> `Error (usage, s)
module type Monoid = sig
type t
val empty : t
val union : t -> t -> t
end
(* {Misc informations} *)
module Name = struct
module Opam = struct
type t = string
let to_string = Fun.id
end
let opamify s =
let b = Buffer.create (String.length s) in
String.iter
(function
| ('a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' | '-') as c ->
Buffer.add_char b c
| '.' -> Buffer.add_char b '_'
| _ -> ())
s;
let s' = Buffer.contents b in
if String.length s' = 0 then raise (Invalid_argument s);
s'
let ocamlify s =
let b = Buffer.create (String.length s) in
String.iter
(function
| ('a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_') as c ->
Buffer.add_char b c
| '-' | '.' | ' ' -> Buffer.add_char b '_'
| _ -> ())
s;
let s' = Buffer.contents b in
if String.length s' = 0 || ('0' <= s'.[0] && s'.[0] <= '9') then
raise (Invalid_argument s);
s'
end