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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, | |
6ae327f8 | 30 | dir : string, |
d612d62c AC |
31 | file : string} |
32 | ||
33 | val fileHandler = ref (fn _ : file_status => ()) | |
34 | val preHandler = ref (fn () => ()) | |
35 | val postHandler = ref (fn () => ()) | |
36 | ||
37 | fun registerFileHandler handler = | |
38 | let | |
39 | val old = !fileHandler | |
40 | in | |
41 | fileHandler := (fn x => (handler x; old x)) | |
42 | end | |
43 | ||
44 | fun registerPreHandler handler = | |
45 | let | |
46 | val old = !preHandler | |
47 | in | |
48 | preHandler := (fn () => (handler (); old ())) | |
49 | end | |
50 | ||
51 | fun registerPostHandler handler = | |
52 | let | |
53 | val old = !postHandler | |
54 | in | |
55 | postHandler := (fn () => (handler (); old ())) | |
56 | end | |
57 | ||
58 | fun handleChanges fs = (!preHandler (); | |
59 | app (!fileHandler) fs; | |
60 | !postHandler ()) | |
61 | ||
8df2e702 AC |
62 | fun shell ss = OS.Process.isSuccess (OS.Process.system (String.concat ss)) |
63 | ||
64 | fun shellF (ss, msg) = | |
65 | let | |
66 | val s = String.concat ss | |
67 | in | |
68 | if OS.Process.isSuccess (OS.Process.system s) then | |
69 | () | |
70 | else | |
71 | ErrorMsg.error NONE (msg s) | |
72 | end | |
73 | ||
74 | fun concatTo p fname = | |
75 | let | |
76 | fun visitDir dname = | |
77 | let | |
78 | val dir = Posix.FileSys.opendir dname | |
79 | ||
80 | fun loop () = | |
81 | case Posix.FileSys.readdir dir of | |
82 | NONE => Posix.FileSys.closedir dir | |
83 | | SOME fname' => | |
84 | let | |
85 | val path = OS.Path.joinDirFile {dir = dname, file = fname'} | |
86 | in | |
87 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat path) then | |
88 | visitDir path | |
89 | else if p fname' then | |
90 | shellF ([Config.cat, " ", path, " >>", fname], | |
6ae327f8 | 91 | fn cl => "Error concatenating: " ^ cl) |
8df2e702 AC |
92 | else |
93 | (); | |
94 | loop () | |
95 | end | |
96 | in | |
8df2e702 AC |
97 | loop () |
98 | end | |
99 | in | |
6ae327f8 | 100 | TextIO.closeOut (TextIO.openOut fname); |
8df2e702 AC |
101 | visitDir Config.resultRoot |
102 | end | |
103 | ||
ed9fda3a AC |
104 | fun enumerateTo p sep fname = |
105 | let | |
106 | val outf = TextIO.openOut fname | |
107 | ||
108 | val first = ref true | |
e0b0abd2 | 109 | val baseLen = length (String.fields (fn ch => ch = #"/") Config.resultRoot) + 1 |
ed9fda3a AC |
110 | |
111 | fun visitDir dname = | |
112 | let | |
113 | val dir = Posix.FileSys.opendir dname | |
114 | ||
115 | fun loop () = | |
116 | case Posix.FileSys.readdir dir of | |
117 | NONE => Posix.FileSys.closedir dir | |
118 | | SOME fname' => | |
119 | let | |
120 | val path = OS.Path.joinDirFile {dir = dname, file = fname'} | |
121 | in | |
122 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat path) then | |
123 | visitDir path | |
124 | else if p fname' then | |
125 | let | |
126 | val toks = String.fields (fn ch => ch = #"/") dname | |
127 | val toks = List.drop (toks, baseLen) | |
128 | val dom = String.concatWith "." (rev toks) | |
129 | in | |
130 | if !first then | |
131 | first := false | |
132 | else | |
133 | TextIO.output (outf, sep); | |
134 | TextIO.output (outf, dom) | |
135 | end | |
136 | else | |
137 | (); | |
138 | loop () | |
139 | end | |
140 | in | |
141 | loop () | |
142 | end | |
143 | in | |
144 | visitDir Config.resultRoot; | |
145 | TextIO.closeOut outf | |
146 | end | |
147 | ||
d612d62c | 148 | end |