(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004-2006 Merjis Ltd.
 * $Id: cocanwiki_extensions.ml,v 1.1 2006/07/27 16:46:55 rich Exp $
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *)

open Apache
open Cgi

(* List of extensions currently registered.  These are special template
 * pages.  See for example Cocanwiki_ext_calendar.
 *)
type extension_t =
    Request.t -> PGOCaml.pa_pg_data PGOCaml.t -> int32 -> string -> string
let extensions : (string * extension_t) list ref = ref []

(* List of external functions currently registered.  These are used
 * within wiki markup as {{function}} or {{function:arg}}.
 *)
type external_function_t =
    Request.t -> PGOCaml.pa_pg_data PGOCaml.t -> int32 ->
      string option -> string
let external_functions : (string * external_function_t) list ref = ref []

(* List of external pre-page handlers.  These are called before
 * each content page is displayed.  See page.ml for more details.
 *)
type pre_page_handler_t =
    Request.t -> cgi -> PGOCaml.pa_pg_data PGOCaml.t -> int32 -> string -> unit
let pre_page_handlers : pre_page_handler_t list ref = ref []