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Copyright © 2011 MLstate
This file is part of OPA.
OPA is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.
OPA 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 OPA. If not, see <>.
(** Simplier version of ofile + retourned type is an option (safer) *)
open Base
let extension = "of"
let error s = prerr_endline (Printf.sprintf "[!] ofile : %s" s); exit 1
let do_verbose = ref false
let verbose s =
if !do_verbose then prerr_endline (Printf.sprintf "ofile : %s" s)
let safe_content file =
try (String.escaped (File.content file))
with Unix.Unix_error(e,s0,s1) -> error (Printf.sprintf "cannot load \"%s\" from \"%s\" [%s,%s,%s]" file (Sys.getcwd ()) (Unix.error_message e) s0 s1)
let win2unix f =
let res = String.copy f in
let n = String.length res in
for i = 0 to n-1 do
if res.[i] = '\\' then res.[i] <- '/'
let iter_of path file =
if File.extension file <> extension
then error (Printf.sprintf "input file \"%s\" must have .%s extension" file extension)
if Sys.file_exists file && not (Sys.is_directory file)
let buf = FBuffer.create 1024 in
let buf = FBuffer.addln buf "let get_file = function" in
let files_list = List.rev
(fun acc line -> let t = String.trim line in if t = "" then acc else t::acc)
[] file) in
let portable_path _path file =
let path_file =(*_path^*)file in
~windows:PathTransform.string_to_windows ()) path_file
let buf = List.fold_left
(fun buf t -> FBuffer.addln buf (Printf.sprintf " | %S -> Some \"%s\"" t (safe_content (portable_path path t) ))) buf files_list in
let buf = FBuffer.addln buf " | _ -> None\n" in
let buf = FBuffer.addln buf "let file_list =" in
let buf = FBuffer.addln buf (String.concat_map ~left:"[" ~right:"]" "; " (fun f -> Printf.sprintf "%S" f) files_list) in
let out = (File.chop_extension file)^".ml" in
if File.output out (FBuffer.contents buf)
then verbose (Printf.sprintf "write file \"%s\"" out)
else error (Printf.sprintf "cannot write file \"%s\" from \"%s\"" out (Sys.getcwd ()))
let _ =
(** please, keep the possibility of this option for other potential users of this generic application *)
let path = ref "" and empty = ref true in
[ "-v", Arg.Set do_verbose, " verbose";
"-path", Arg.Set_string path, "<dir> prefix directory for files"
(fun t -> iter_of !path t; empty := false)
(Printf.sprintf "%s : embedded file ocaml preprocessor" Sys.argv.(0));
if !empty
then error (Printf.sprintf "no input files (give me some \"%s\" file)" extension)
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