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(***********************************************************************)
(* *)
(* ocamlbuild *)
(* *)
(* Nicolas Pouillard, Berke Durak, projet Gallium, INRIA Rocquencourt *)
(* *)
(* Copyright 2007 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* Original author: Nicolas Pouillard *)
open My_std
open Format
open Log
type t = string
include Filename
let print_strings = List.print String.print
let concat = filename_concat
let compare = compare
let print = pp_print_string
let mk s = s
let pwd = Sys.getcwd ()
let add_extension ext x = x ^ "." ^ ext
let check_extension x ext =
let lx = String.length x and lext = String.length ext in
lx > lext + 1 && x.[lx - lext - 1] = '.' && String.is_suffix x ext
module Operators = struct
let ( / ) = concat
let ( -.- ) file ext = add_extension ext file
end
open Operators
let equal x y = x = y
let to_string x = x
let is_link = Shell.is_link
let readlink = Shell.readlink
let is_directory x =
try (My_unix.stat x).My_unix.stat_file_kind = My_unix.FK_dir
with Sys_error _ -> false
let readdir x = Outcome.good (sys_readdir x)
let dir_seps = ['/';'\\'] (* FIXME add more *)
let not_normal_form_re = Glob.parse "<**/{,.,..}/**>"
let parent x = concat parent_dir_name x
let split p =
let rec go p acc =
let dir = dirname p in
if dir = p then dir, acc
else go dir (basename p :: acc)
in go p []
let join root paths =
let root = if root = current_dir_name then "" else root in
List.fold_left (/) root paths
let _H1 = assert (current_dir_name = ".")
let _H2 = assert (parent_dir_name = "..")
(* Use H1, H2 *)
let rec normalize_list = function
| [] -> []
| "." :: xs -> normalize_list xs
| ".." :: _ -> failwith "Pathname.normalize_list: .. is forbidden here"
| _ :: ".." :: xs -> normalize_list xs
| x :: xs -> x :: normalize_list xs
let normalize x =
if Glob.eval not_normal_form_re x then
let root, paths = split x in
join root (normalize_list paths)
else x
(* [is_prefix x y] is [x] a pathname prefix of [y] *)
let is_prefix x y =
let lx = String.length x and ly = String.length y in
if lx = ly then x = (String.before y lx)
else if lx < ly then x = (String.before y lx) && List.mem y.[lx] dir_seps
else false
let link_to_dir p dir = is_link p && is_prefix dir (readlink p)
let remove_extension x =
try chop_extension x
with Invalid_argument _ -> x
let get_extension x =
try
let pos = String.rindex x '.' in
String.after x (pos + 1)
with Not_found -> ""
let update_extension ext x =
add_extension ext (chop_extension x)
let chop_extensions x =
let dirname = dirname x and basename = basename x in
try
let pos = String.index basename '.' in
dirname / (String.before basename pos)
with Not_found -> invalid_arg "chop_extensions: no extensions"
let remove_extensions x =
try chop_extensions x
with Invalid_argument _ -> x
let get_extensions x =
let basename = basename x in
try
let pos = String.index basename '.' in
String.after basename (pos + 1)
with Not_found -> ""
let update_extensions ext x =
add_extension ext (chop_extensions x)
let exists = sys_file_exists
let copy = Shell.cp
let remove = Shell.rm
let try_remove x = if exists x then Shell.rm x
let read = read_file
let with_input_file = with_input_file
let with_output_file = with_output_file
let print_path_list = List.print print
let context_table = Hashtbl.create 107
let rec include_dirs_of dir =
try Hashtbl.find context_table dir
with Not_found -> dir :: List.filter (fun dir' -> dir <> dir') !Options.include_dirs
(*
let include_dirs_of s =
let res = include_dirs_of s in
let () = dprintf 0 "include_dirs_of %S ->@ %a" s (List.print print) res
in res
*)
let define_context dir context =
let dir = if dir = "" then current_dir_name else dir in
Hashtbl.replace context_table dir& List.union context& include_dirs_of dir
let same_contents x y = Digest.file x = Digest.file y