1 exception NoRootFor of string
4 let paths = List.rev (Str.split (Str.regexp "/") path) in
5 let rec build = function
6 | he::tl as l -> ("/" ^ String.concat "/" (List.rev l) ^ "/") :: build tl
9 let paths = List.map HExtlib.normalize_path (build paths) in
10 try HExtlib.find_in paths "root"
11 with Failure "find_in" -> raise (NoRootFor path)
14 let ensure_trailing_slash s =
15 if s = "" then "/" else
16 if s.[String.length s-1] <> '/' then s^"/" else s
19 let remove_trailing_slash s =
20 if s = "" then "" else
21 let len = String.length s in
22 if s.[len-1] = '/' then String.sub s 0 (len-1) else s
25 let parse_root rootpath =
26 let data = HExtlib.input_file rootpath in
27 let lines = Str.split (Str.regexp "\n") data in
30 match Str.split (Str.regexp "=") l with
31 | [k;v] -> Pcre.replace ~pat:" " k, Pcre.replace ~pat:" " v
32 | _ -> raise (Failure ("Malformed root file: " ^ rootpath)))
37 let find_root_for ~include_paths file =
38 let include_paths = "" :: Sys.getcwd () :: include_paths in
39 let path = HExtlib.find_in include_paths file in
40 (* HLog.debug ("file "^file^" resolved as "^path); *)
41 let rootpath, root, buri =
43 let mburi = Helm_registry.get "matita.baseuri" in
44 match Str.split (Str.regexp " ") mburi with
45 | [root; buri] when HExtlib.is_prefix_of root path ->
46 ":registry:", root, buri
47 | _ -> raise (Helm_registry.Key_not_found "matita.baseuri")
48 with Helm_registry.Key_not_found "matita.baseuri" ->
49 let rootpath = find_root path in
50 let buri = List.assoc "baseuri" (parse_root rootpath) in
51 rootpath, Filename.dirname rootpath, buri
53 (* HLog.debug ("file "^file^" rooted by "^rootpath^""); *)
54 let uri = Http_getter_misc.strip_trailing_slash buri in
55 if String.length uri < 5 || String.sub uri 0 5 <> "cic:/" then
56 HLog.error (rootpath ^ " sets an incorrect baseuri: " ^ buri);
57 ensure_trailing_slash root, remove_trailing_slash uri, path
60 let baseuri_of_script ?(include_paths=[]) file =
61 let root, buri, path = find_root_for ~include_paths file in
62 let path = HExtlib.normalize_path path in
63 let root = HExtlib.normalize_path root in
64 let lpath = Str.split (Str.regexp "/") path in
65 let lroot = Str.split (Str.regexp "/") root in
66 let rec substract l1 l2 =
68 | h1::tl1,h2::tl2 when h1 = h2 -> substract tl1 tl2
70 | _ -> raise (NoRootFor file)
72 let extra_buri = substract lpath lroot in
74 assert(Filename.check_suffix name ".ma");
75 try Filename.chop_extension name
76 with Invalid_argument "Filename.chop_extension" -> name
79 remove_trailing_slash (HExtlib.normalize_path
80 (buri ^ "/" ^ chop (String.concat "/" extra_buri))),
84 let find_roots_in_dir dir =
85 HExtlib.find ~test:(fun f ->
86 Filename.basename f = "root" &&
87 try (Unix.stat f).Unix.st_kind = Unix.S_REG
88 with Unix.Unix_error _ -> false)