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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 | |
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25 | val validDbname = CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"_") |
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26 | |
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27 | type handler = {getpass : (unit -> Client.passwd_result) option, |
28 | adduser : {user : string, passwd : string option} -> string option, |
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29 | passwd : {user : string, passwd : string} -> string option, |
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30 | createdb : {user : string, dbname : string} -> string option, |
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31 | dropdb : {user : string, dbname : string} -> string option, |
32 | grant : {user : string, dbname : string} -> string option} |
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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 |