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|
(**************************************************************************)
(* Copyright © 2012 Mehdi Dogguy <mehdi@debian.org> *)
(* *)
(* This program is free software: you can redistribute it and/or modify *)
(* it under the terms of the GNU Affero General Public License as *)
(* published by the Free Software Foundation, either version 3 of the *)
(* License, or (at your option) any later version, with the additional *)
(* exemption that compiling, linking, and/or using OpenSSL is allowed. *)
(* *)
(* This program is distributed in the hope that it will be useful, but *)
(* WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *)
(* Affero General Public License for more details. *)
(* *)
(* You should have received a copy of the GNU Affero General Public *)
(* License along with this program. If not, see *)
(* <http://www.gnu.org/licenses/>. *)
(**************************************************************************)
open Ben.Error
let template : Ben.Template.t option ref = ref None
let path =
Clflags.get_env_default "BEN_TEMPLATES_DIR"
(Ben.Ocaml_config.stdlib_dir ^ "/ben/templates")
let ( // ) = Filename.concat
let register_template t = template := Some t
let template_not_found name =
Ben.Error.raise (Ben.Error.Template_not_found name)
let load_template name =
let file =
let cma = Dynlink.adapt_filename (Printf.sprintf "%s.cma" name) in
let filepath = path // name // cma in
if Sys.file_exists filepath then filepath
else if Sys.file_exists name then name
else if Sys.file_exists cma then cma
else template_not_found name
in
try Dynlink.loadfile file
with Dynlink.Error e -> Ben.Error.raise (Dynlink_error e)
let get_registered_template () =
match !template with
| Some t -> t
| None -> (
let name = "debian" in
let () = load_template name in
match !template with Some t -> t | None -> template_not_found name)
|
