(*---------------------------------------------------------------------------
   Copyright (c) 2015 The fmt programmers. All rights reserved.
   Distributed under the ISC license, see terms at the end of the file.
   fmt v0.8.9
  ---------------------------------------------------------------------------*)

let strf = Format.asprintf

open Cmdliner

let style_renderer ?env ?docs () =
  let enum = ["auto", None; "always", Some `Ansi_tty; "never", Some `None] in
  let color = Arg.enum enum in
  let enum_alts = Arg.doc_alts_enum enum in
  let doc = strf "Colorize the output. $(docv) must be %s." enum_alts in
  Arg.(value & opt color None & info ["color"] ?env ~doc ~docv:"WHEN" ?docs)

(*---------------------------------------------------------------------------
   Copyright (c) 2015 The fmt programmers

   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" 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.
  ---------------------------------------------------------------------------*)
