-(* Copyright (C) 2004, HELM Team.
+(* Copyright (C) 2004-2005, HELM Team.
*
* This file is part of HELM, an Hypertextual, Electronic
* Library of Mathematics, developed at the Computer Science
*)
open Printf
+open MatitaTypes
-let is_dir fname = (Unix.stat fname).Unix.st_kind = Unix.S_DIR
-let is_regular fname = (Unix.stat fname).Unix.st_kind = Unix.S_REG
+(** Functions "imported" from Http_getter_misc *)
-let input_file fname =
- let size = (Unix.stat fname).Unix.st_size in
- let buf = Buffer.create size in
- let ic = open_in fname in
- Buffer.add_channel buf ic size;
- close_in ic;
- Buffer.contents buf
+let strip_trailing_slash = Http_getter_misc.strip_trailing_slash
+let normalize_dir = Http_getter_misc.normalize_dir
+let strip_suffix = Http_getter_misc.strip_suffix
+let baseuri_of_baseuri_decl st =
+ match st with
+ | GrafiteAst.Executable (_, GrafiteAst.Command (_, GrafiteAst.Set (_, "baseuri", buri))) ->
+ Some buri
+ | _ -> None
+
+let baseuri_of_file file =
+ let uri = ref None in
+ let ic = open_in file in
+ let istream = Ulexing.from_utf8_channel ic in
+ (try
+ while true do
+ try
+ let stm = GrafiteParser.parse_statement istream in
+ match baseuri_of_baseuri_decl stm with
+ | Some buri ->
+ let u = strip_trailing_slash buri in
+ if String.length u < 5 || String.sub u 0 5 <> "cic:/" then
+ MatitaLog.error (file ^ " sets an incorrect baseuri: " ^ buri);
+ (try
+ ignore(Http_getter.resolve u)
+ with
+ | Http_getter_types.Unresolvable_URI _ ->
+ MatitaLog.error (file ^ " sets an unresolvable baseuri: "^buri)
+ | Http_getter_types.Key_not_found _ -> ());
+ uri := Some u;
+ raise End_of_file
+ | None -> ()
+ with
+ CicNotationParser.Parse_error _ as exn ->
+ prerr_endline ("Unable to parse: " ^ file);
+ prerr_endline (MatitaExcPp.to_string exn);
+ ()
+ done
+ with End_of_file -> close_in ic);
+ match !uri with
+ | Some uri -> uri
+ | None -> failwith ("No baseuri defined in " ^ file)
+
+let is_empty buri =
+ List.for_all
+ (function
+ Http_getter_types.Ls_section _ -> true
+ | Http_getter_types.Ls_object _ -> false)
+ (Http_getter.ls (Http_getter_misc.strip_trailing_slash buri ^ "/"))
+
+let safe_remove fname = if Sys.file_exists fname then Sys.remove fname
+
+let is_dir_empty d =
+ try
+ let od = Unix.opendir d in
+ try
+ ignore (Unix.readdir od);
+ ignore (Unix.readdir od);
+ ignore (Unix.readdir od);
+ Unix.closedir od;
+ false
+ with End_of_file ->
+ Unix.closedir od;
+ true
+ with Unix.Unix_error _ -> true
+
+let safe_rmdir d = try Unix.rmdir d with Unix.Unix_error _ -> ()
+
+let rec rmdir_descend d =
+ if is_dir_empty d then
+ begin
+ safe_rmdir d;
+ rmdir_descend (Filename.dirname d)
+ end
+
+let absolute_path file =
+ if file.[0] = '/' then file else Unix.getcwd () ^ "/" ^ file
+
let is_proof_script fname = true (** TODO Zack *)
let is_proof_object fname = true (** TODO Zack *)
else
s
-let strip_trailing_blanks =
- let rex = Pcre.regexp "\\s*$" in
- fun s -> Pcre.replace ~rex s
+let empty_mathml = lazy (
+ DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
+ ~qualifiedName:(Gdome.domString "math") ~doctype:None)
-let empty_mathml =
- let doc =
- Misc.domImpl#createDocument ~namespaceURI:(Some Misc.mathml_ns)
- ~qualifiedName:(Gdome.domString "math") ~doctype:None
- in
- doc#get_documentElement
+let empty_boxml = lazy (
+ DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.boxml_ns)
+ ~qualifiedName:(Gdome.domString "box") ~doctype:None)
+
+let closed_goal_mathml = lazy (
+ DomMisc.domImpl#createDocumentFromURI ~uri:BuildTimeConf.closed_xml ())
exception History_failure
method previous : 'a
method load: 'a memento -> unit
method save: 'a memento
+ method is_begin: bool
+ method is_end: bool
end
+class basic_history (head, tail, cur) =
+ object
+ val mutable hd = head (* insertion point *)
+ val mutable tl = tail (* oldest inserted item *)
+ val mutable cur = cur (* current item for the history *)
+
+ method is_begin = cur <= tl
+ method is_end = cur >= hd
+ end
+
+
class shell_history size =
let size = size + 1 in
let decr x = let x' = x - 1 in if x' < 0 then size + x' else x' in
let incr x = (x + 1) mod size in
object (self)
val data = Array.create size ""
- val mutable hd = 0 (* insertion point *)
- val mutable tl = -1 (* oldest inserted item *)
- val mutable cur = -1 (* current item for the history *)
+
+ inherit basic_history (0, -1 , -1)
+
method add s =
data.(hd) <- s;
if tl = -1 then tl <- hd;
object (self)
initializer match memento with Some m -> self#load m | _ -> ()
val data = Array.create size init
- val mutable hd = 0
- val mutable tl = 0
- val mutable cur = 0
+
+ inherit basic_history (0, 0, 0)
+
method previous =
if cur = tl then raise History_failure;
cur <- cur - 1;
if cur = size then cur <- 0;
data.(cur)
method add (e:'a) =
- cur <- cur + 1;
- if cur = size then cur <- 0;
- if cur = tl then tl <- tl + 1;
- if tl = size then tl <- 0;
- hd <- cur;
- data.(cur) <- e
+ if e <> data.(cur) then
+ begin
+ cur <- cur + 1;
+ if cur = size then cur <- 0;
+ if cur = tl then tl <- tl + 1;
+ if tl = size then tl <- 0;
+ hd <- cur;
+ data.(cur) <- e
+ end
method load (data', hd', tl', cur') =
assert (Array.length data = Array.length data');
hd <- hd'; tl <- tl'; cur <- cur';
method save = (Array.copy data, hd, tl, cur)
end
-let dbd_instance =
- let dbd = lazy (
- Mysql.quick_connect
- ~host:(Helm_registry.get "db.host")
- ~user:(Helm_registry.get "db.user")
- ~database:(Helm_registry.get "db.database")
- ())
+let singleton f =
+ let instance = lazy (f ()) in
+ fun () -> Lazy.force instance
+
+let get_current_proof status =
+ match status.proof_status with
+ | Incomplete_proof { proof = p } -> p
+ | _ -> statement_error "no ongoing proof"
+
+let get_proof_metasenv status =
+ match status.proof_status with
+ | No_proof -> []
+ | Proof (_, metasenv, _, _)
+ | Incomplete_proof { proof = (_, metasenv, _, _) }
+ | Intermediate metasenv ->
+ metasenv
+
+let get_proof_context status goal =
+ match status.proof_status with
+ | Incomplete_proof { proof = (_, metasenv, _, _) } ->
+ let (_, context, _) = CicUtil.lookup_meta goal metasenv in
+ context
+ | _ -> []
+
+let get_proof_conclusion status goal =
+ match status.proof_status with
+ | Incomplete_proof { proof = (_, metasenv, _, _) } ->
+ let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
+ conclusion
+ | _ -> statement_error "no ongoing proof"
+
+let get_stack status =
+ match status.proof_status with
+ | Incomplete_proof p -> p.stack
+ | Proof _ -> Continuationals.Stack.empty
+ | _ -> assert false
+
+let set_stack stack status =
+ match status.proof_status with
+ | Incomplete_proof p ->
+ { status with proof_status = Incomplete_proof { p with stack = stack } }
+ | Proof _ ->
+ assert (Continuationals.Stack.is_empty stack);
+ status
+ | _ -> assert false
+
+let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
+
+let image_path n = sprintf "%s/%s" BuildTimeConf.images_dir n
+
+let end_ma_RE = Pcre.regexp "\\.ma$"
+
+let obj_file_of_baseuri baseuri =
+ let path =
+ Helm_registry.get "matita.basedir" ^ "/xml" ^
+ Pcre.replace ~pat:"^cic:" ~templ:"" baseuri
+ in
+ path ^ ".moo"
+
+let obj_file_of_script f =
+ if f = "coq.ma" then BuildTimeConf.coq_notation_script else
+ let baseuri = baseuri_of_file f in
+ obj_file_of_baseuri baseuri
+
+let list_tl_at ?(equality=(==)) e l =
+ let rec aux =
+ function
+ | [] -> raise Not_found
+ | hd :: tl as l when equality hd e -> l
+ | hd :: tl -> aux tl
in
- fun () -> Lazy.force dbd
+ aux l