Commit | Line | Data |
---|---|---|
d612d62c AC |
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 | (* Code for receiving and executing configuration files *) | |
20 | ||
21 | structure Slave :> SLAVE = struct | |
22 | ||
23 | datatype file_action = | |
24 | Add | |
25 | | Delete | |
26 | | Modify | |
27 | ||
28 | type file_status = {action : file_action, | |
29 | domain : string, | |
30 | file : string} | |
31 | ||
32 | val fileHandler = ref (fn _ : file_status => ()) | |
33 | val preHandler = ref (fn () => ()) | |
34 | val postHandler = ref (fn () => ()) | |
35 | ||
36 | fun registerFileHandler handler = | |
37 | let | |
38 | val old = !fileHandler | |
39 | in | |
40 | fileHandler := (fn x => (handler x; old x)) | |
41 | end | |
42 | ||
43 | fun registerPreHandler handler = | |
44 | let | |
45 | val old = !preHandler | |
46 | in | |
47 | preHandler := (fn () => (handler (); old ())) | |
48 | end | |
49 | ||
50 | fun registerPostHandler handler = | |
51 | let | |
52 | val old = !postHandler | |
53 | in | |
54 | postHandler := (fn () => (handler (); old ())) | |
55 | end | |
56 | ||
57 | fun handleChanges fs = (!preHandler (); | |
58 | app (!fileHandler) fs; | |
59 | !postHandler ()) | |
60 | ||
8df2e702 AC |
61 | fun shell ss = OS.Process.isSuccess (OS.Process.system (String.concat ss)) |
62 | ||
63 | fun shellF (ss, msg) = | |
64 | let | |
65 | val s = String.concat ss | |
66 | in | |
67 | if OS.Process.isSuccess (OS.Process.system s) then | |
68 | () | |
69 | else | |
70 | ErrorMsg.error NONE (msg s) | |
71 | end | |
72 | ||
73 | fun concatTo p fname = | |
74 | let | |
75 | fun visitDir dname = | |
76 | let | |
77 | val dir = Posix.FileSys.opendir dname | |
78 | ||
79 | fun loop () = | |
80 | case Posix.FileSys.readdir dir of | |
81 | NONE => Posix.FileSys.closedir dir | |
82 | | SOME fname' => | |
83 | let | |
84 | val path = OS.Path.joinDirFile {dir = dname, file = fname'} | |
85 | in | |
86 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat path) then | |
87 | visitDir path | |
88 | else if p fname' then | |
89 | shellF ([Config.cat, " ", path, " >>", fname], | |
90 | fn cl => "Error concatenating: " ^ cl) | |
91 | else | |
92 | (); | |
93 | loop () | |
94 | end | |
95 | in | |
96 | TextIO.closeOut (TextIO.openOut fname); | |
97 | loop () | |
98 | end | |
99 | in | |
100 | visitDir Config.resultRoot | |
101 | end | |
102 | ||
d612d62c | 103 | end |