(*
- ||M|| This file is part of HELM, an Hypertextual, Electronic
- ||A|| Library of Mathematics, developed at the Computer Science
- ||T|| Department, University of Bologna, Italy.
- ||I||
- ||T|| HELM is free software; you can redistribute it and/or
- ||A|| modify it under the terms of the GNU General Public License
- \ / version 2 or (at your option) any later version.
- \ / This software is distributed as is, NO WARRANTY.
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
V_______________________________________________________________ *)
module A = Array
module U = NUri
module US = U.UriSet
+module H = HExtlib
module O = Options
module E = Engine
+module X = Error
-let src_exists path = !O.no_devel || Y.file_exists path
+let chop_extension file =
+ try F.chop_extension file
+ with Invalid_argument _ -> file
+
+let script devel = chop_extension devel ^ ".ma"
+
+let src_exists path = !O.no_devel || Y.file_exists path
+
+let is_obj base path =
+ if H.is_regular (F.concat base path) then
+ F.check_suffix path ".con.ng" ||
+ F.check_suffix path ".ind.ng" ||
+ F.check_suffix path ".var.ng"
+ else false
+
+let is_src base path =
+ H.is_regular (F.concat base path) &&
+ F.check_suffix path ".ng"
+
+let is_dir base path =
+ H.is_dir (F.concat base path)
+
+let is_script devel =
+ src_exists (script devel)
let mk_file path =
- if F.check_suffix path "/" then S.sub path 0 (pred (S.length path))
- else path ^ ".ng"
+ if F.check_suffix path "/" then S.sub path 0 (pred (S.length path))
+ else path ^ ".ng"
let add_obj path =
- let path = F.chop_extension path in
- let str = F.concat "cic:" path in
- O.objs := US.add (U.uri_of_string str) !O.objs
+ let path = F.chop_extension path in
+ let str = F.concat "cic:" path in
+ O.objs := US.add (U.uri_of_string str) !O.objs
let add_src devel path =
- if src_exists (F.chop_extension devel ^ ".ma") then
- let path = F.chop_extension path in
- let str = F.concat "cic:" path ^ "/" in
- O.srcs := US.add (U.uri_of_string str) !O.srcs
+ let path = F.chop_extension path in
+ let str = F.concat "cic:" path ^ "/" in
+ O.srcs := US.add (U.uri_of_string str) !O.srcs;
+ E.mac (script devel)
let add_remove base path =
- O.remove := F.concat base path :: !O.remove
-
-let rec scan_entry base devel path =
- if F.check_suffix path ".con.ng" then add_obj path else
- if F.check_suffix path ".ind.ng" then add_obj path else
- if F.check_suffix path ".var.ng" then add_obj path else
- if F.check_suffix path ".ng" then
- if src_exists (F.chop_extension devel ^ ".ma")
- then add_src devel path else add_remove base path
- else
- if src_exists devel || src_exists (devel ^ ".ma") then
- let files = Y.readdir (F.concat base path) in
- let map base file = scan_entry base (F.concat devel file) (F.concat path file) in
- A.iter (map base) files
+ O.remove := F.concat base path :: !O.remove
+
+let rec scan_entry inner base devel path =
+(* Printf.eprintf "%b %s %s%!\n" inner devel path; *)
+ if is_obj base path && inner then add_obj path else
+ if is_src base path && is_script devel then add_src devel path else
+ if is_dir base path && is_script devel then scan_dir true base devel path else
+ if is_dir base path && src_exists devel then scan_dir false base devel path else
+ add_remove base path
+
+and scan_dir inner base devel path =
+ let files = Y.readdir (F.concat base path) in
+ let map base file = scan_entry inner base (F.concat devel file) (F.concat path file) in
+ A.iter (map base) files
let from_uri base devel uri =
- O.no_devel := devel = "";
- let str = U.string_of_uri uri in
- let i = S.index str '/' in
- let protocol = S.sub str 0 i in
- if protocol = "cic:" then
- let path = S.sub str (succ i) (S.length str - succ i) in
- let file = mk_file path in
- if Y.file_exists (F.concat base file) then scan_entry base devel file
- else E.missing path
- else E.unsupported protocol
+ O.no_devel := devel = "";
+ let str = U.string_of_uri uri in
+ let i = S.index str '/' in
+ let protocol = S.sub str 0 i in
+ if protocol = "cic:" then
+ let path = S.sub str (succ i) (S.length str - succ i) in
+ let file = mk_file path in
+ if Y.file_exists (F.concat base file) then
+ scan_entry (is_script devel) base devel file
+ else X.missing path
+ else X.unsupported protocol
let from_string base devel s =
- from_uri base devel (U.uri_of_string s)
+ from_uri base devel (U.uri_of_string s)