Commit | Line | Data |
---|---|---|
a3698041 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. | |
dac62e84 | 17 | *) |
a3698041 AC |
18 | |
19 | (* Domain-related primitive actions *) | |
20 | ||
21 | structure Domain :> DOMAIN = struct | |
22 | ||
629a34f6 AC |
23 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
24 | ||
25 | fun validHost s = | |
26 | size s > 0 andalso size s < 20 | |
27 | andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s | |
28 | ||
29 | fun validDomain s = | |
30 | size s > 0 andalso size s < 100 | |
31 | andalso List.all validHost (String.fields (fn ch => ch = #".") s) | |
32 | ||
33 | val _ = Env.type_one "host" | |
34 | Env.string | |
35 | validHost | |
36 | ||
37 | val _ = Env.type_one "domain" | |
38 | Env.string | |
39 | validDomain | |
40 | ||
a3698041 AC |
41 | open Ast |
42 | ||
43 | val befores = ref (fn (_ : string) => ()) | |
44 | val afters = ref (fn (_ : string) => ()) | |
45 | ||
46 | fun registerBefore f = | |
47 | let | |
48 | val old = !befores | |
49 | in | |
50 | befores := (fn x => (old x; f x)) | |
51 | end | |
52 | ||
53 | fun registerAfter f = | |
54 | let | |
55 | val old = !afters | |
56 | in | |
57 | afters := (fn x => (old x; f x)) | |
58 | end | |
59 | ||
60 | val current = ref "" | |
dac62e84 AC |
61 | val currentPath = ref "" |
62 | ||
63 | fun currentDomain () = !current | |
64 | ||
65 | fun domainFile name = TextIO.openOut (!currentPath ^ name) | |
66 | ||
67 | fun getPath domain = | |
68 | let | |
69 | val toks = String.fields (fn ch => ch = #".") domain | |
70 | ||
71 | val elems = foldr (fn (piece, elems) => | |
72 | let | |
73 | val elems = piece :: elems | |
095de39e | 74 | val path = String.concatWith "/" (Config.resultRoot :: rev elems) |
dac62e84 AC |
75 | in |
76 | (if Posix.FileSys.ST.isDir | |
77 | (Posix.FileSys.stat path) then | |
78 | () | |
79 | else | |
80 | (OS.FileSys.remove path; | |
81 | OS.FileSys.mkDir path)) | |
82 | handle OS.SysErr _ => OS.FileSys.mkDir path; | |
83 | elems | |
84 | end) [] toks | |
85 | in | |
095de39e | 86 | String.concatWith "/" (Config.resultRoot :: rev ("" :: elems)) |
dac62e84 | 87 | end |
a3698041 | 88 | |
629a34f6 AC |
89 | val _ = Env.container_one "domain" |
90 | ("domain", Env.string) | |
91 | (fn dom => (current := dom; | |
92 | currentPath := getPath dom; | |
93 | !befores dom), | |
94 | fn () => !afters (!current)) | |
a3698041 AC |
95 | |
96 | end |