1 (* HCoop
Domtool (http
://hcoop
.sourceforge
.net
/)
2 * Copyright (c
) 2006, Adam Chlipala
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
.
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
.
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
.
19 (* DBMS management code
*)
21 structure Dbms
:> DBMS
= struct
25 val validDbname
= CharVector
.all
Char.isAlpha
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
}
34 val dbmses
: handler StringMap
.map ref
= ref StringMap
.empty
36 fun register (name
, handler
) =
37 dbmses
:= StringMap
.insert (!dbmses
, name
, handler
)
39 fun lookup name
= StringMap
.find (!dbmses
, name
)