Catch-all aliases working again
[hcoop/domtool2.git] / src / dbms.sml
1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
2 * Copyright (c) 2006, Adam Chlipala
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 *)
18
19 (* DBMS management code *)
20
21 structure Dbms :> DBMS = struct
22
23 open DataStructures
24
25 val validDbname = CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"_")
26
27 type handler = {getpass : (unit -> Client.passwd_result) option,
28 adduser : {user : string, passwd : string option} -> string option,
29 passwd : {user : string, passwd : string} -> string option,
30 createdb : {user : string, dbname : string} -> string option,
31 dropdb : {user : string, dbname : string} -> string option,
32 grant : {user : string, dbname : string} -> string option}
33
34 val dbmses : handler StringMap.map ref = ref StringMap.empty
35
36 fun register (name, handler) =
37 dbmses := StringMap.insert (!dbmses, name, handler)
38
39 fun lookup name = StringMap.find (!dbmses, name)
40
41 end