matita now asks to save .moo if possible or cleans the dust the

[helm.git] / helm / matita / matitacleanLib.ml

diff --git a/helm/matita/matitacleanLib.ml b/helm/matita/matitacleanLib.ml
index 992443a357681615771315cac4710c87aadd067b..4218492f4ebea739c6ec4a906696fe06a2bbf70a 100644 (file)
--- a/helm/matita/matitacleanLib.ml
+++ b/helm/matita/matitacleanLib.ml
@@ -1,8 +1,44 @@
+(* Copyright (C) 2005, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+let debug = false
+let debug_prerr = if debug then prerr_endline else ignore
+
 module HGT = Http_getter_types;;
 module HG = Http_getter;;
+module HGM = Http_getter_misc;;
 module UM = UriManager;;
 module TA = TacticAst;;
 
+let baseuri_of_baseuri_decl st =
+  let module TA = TacticAst in
+  match st with
+  | TA.Executable (_, TA.Command (_, TA.Set (_, "baseuri", buri))) ->
+      Some buri
+  | _ -> None
+
 let cache_of_processed_baseuri = Hashtbl.create 1024
 
 let one_step_depend suri =
@@ -21,12 +57,17 @@ let one_step_depend suri =
         let buri = Mysql.escape buri in
         let obj_tbl = MetadataTypes.obj_tbl () in
         Printf.sprintf 
-          "SELECT source FROM %s WHERE h_occurrence LIKE '%s%%'" obj_tbl buri
+          "SELECT source, h_occurrence FROM %s WHERE h_occurrence LIKE '%s%%'" obj_tbl buri
       in
       try 
         let rc = Mysql.exec (MatitaDb.instance ()) query in
         let l = ref [] in
-        Mysql.iter rc (fun a -> match a.(0) with None ->()|Some a -> l:=a:: !l);
+        Mysql.iter rc (
+          fun row -> 
+            match row.(0), row.(1) with 
+            | Some uri, Some occ when Filename.dirname occ = buri -> 
+                l := uri :: !l
+            | _ -> ());
         let l = List.sort Pervasives.compare !l in
         MatitaMisc.list_uniq l
       with
@@ -90,10 +131,10 @@ let baseuri_of_file file =
   close_in ic;
   let uri = ref "" in
   List.iter 
-    (function
-    | TA.Executable (_, TA.Command (_, TA.Set (_, "baseuri", buri))) ->
-        uri := MatitaMisc.strip_trailing_slash buri
-    | _ -> ()) 
+    (fun stm ->
+      match baseuri_of_baseuri_decl stm with
+      | Some buri -> uri := MatitaMisc.strip_trailing_slash buri
+      | None -> ())
     stms;
   !uri
 
@@ -102,9 +143,19 @@ let rec fix uris next =
   | [] -> uris
   | l -> let uris, next = close_uri_list l in fix uris next @ uris
   
-let clean_baseuris buris =
+let clean_baseuris ?(verbose=true) buris =
+  Hashtbl.clear cache_of_processed_baseuri;
+  let buris = List.map HGM.strip_trailing_slash buris in
+  debug_prerr "clean_baseuris called on:";
+  if debug then
+    List.iter debug_prerr buris; 
   let l = fix [] buris in
   let l = MatitaMisc.list_uniq (List.fast_sort Pervasives.compare l) in
   let l = List.map UriManager.uri_of_string l in
-  List.iter MatitaSync.remove l
+  debug_prerr "clean_baseuri will remove:";
+  if debug then
+    List.iter (fun u -> debug_prerr (UriManager.string_of_uri u)) l; 
+  List.iter (MatitaSync.remove ~verbose) l
   
+let is_empty buri = HG.ls (HGM.strip_trailing_slash buri ^ "/") = []
+