1c6333d715a2cff2f966d367e204f25547df0022
[hcoop/domtool2.git] / src / main-client.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 (* Driver for configuration requests *)
20
21 fun uid () =
22 case Posix.ProcEnv.getenv "DOMTOOL_USER" of
23 NONE => Posix.ProcEnv.getuid ()
24 | SOME user => Posix.SysDB.Passwd.uid (Posix.SysDB.getpwnam user)
25
26 fun domtoolRoot () =
27 let
28 val dname = Posix.SysDB.Passwd.home (Posix.SysDB.getpwuid (uid ()))
29 in
30 OS.Path.joinDirFile {dir = dname,
31 file = ".domtool"}
32 end
33
34 fun libnameOpt () =
35 let
36 val libname = OS.Path.joinDirFile {dir = domtoolRoot (),
37 file = "lib.dtl"}
38 in
39 if Posix.FileSys.access (libname, []) then
40 SOME libname
41 else
42 NONE
43 end
44
45 val (doit, doitDir, args) =
46 case CommandLine.arguments () of
47 "-tc" :: args => (fn fname =>
48 let
49 val _ : string = Main.setupUser ()
50 val env = Main.basis ()
51 val env =
52 case libnameOpt () of
53 NONE => env
54 | SOME libname => #1 (Main.check env libname)
55 in
56 ignore (Main.check env fname)
57 end,
58 Main.checkDir,
59 args)
60 | args => (fn fname => Main.request (fname, libnameOpt ()),
61 Main.requestDir,
62 args)
63
64 val _ =
65 case args of
66 [fname] =>
67 if Posix.FileSys.access (fname, []) then
68 doit fname
69 else
70 doit (OS.Path.joinDirFile {dir = domtoolRoot (),
71 file = fname})
72 | [] => doitDir (domtoolRoot ())
73 | _ => print "Invalid command-line arguments\n"