1 (* COCANWIKI - a wiki written in Objective CAML.
2 * Written by Richard W.M. Jones <rich@merjis.com>.
3 * Copyright (C) 2004 Merjis Ltd.
4 * $Id: diff.ml,v 1.9 2004/11/01 12:57:53 rich Exp $
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
28 open Cocanwiki_template
31 let run r (q : cgi) (dbh : Dbi.connection) hostid _ user =
32 let template = get_template dbh hostid "diff.html" in
34 let page = q#param "page" in
35 let page = if page = "" then "index" else page in
37 (* "version" parameter, required, is the newest version. If the
38 * "old_version" parameter is given then we compare against that.
39 * Otherwise we look in the database to find the version of this
40 * page previous to "version", and use that as "old_version". If
41 * there is no older version in the database, then we compare against
42 * version '0' which means a blank page.
44 * NB. In case you hadn't worked it out yet, version numbers are
47 let version = int_of_string (q#param "version") in
49 let diff, old_version =
51 let old_version = int_of_string (q#param "old_version") in
52 get_diff dbh hostid page ~old_version ~version ()
55 get_diff dbh hostid page ~version () in
57 template#set "version" (string_of_int version);
58 template#set "old_version" (string_of_int old_version);
59 template#set "page" page;
60 template#set "diff" diff;
65 register_script ~restrict:[CanEdit] run