lisp/gnus/gnus-ml.el

   1 ;;; gnus-ml.el --- Mailing list minor mode for Gnus
   2
   3 ;; Copyright (C) 2000 Free Software Foundation, Inc.
   4
   5 ;; Author: Julien Gilles  <jgilles@free.fr>
   6 ;; Keywords: news
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24
  25 ;;; Commentary:
  26
  27 ;; implement (small subset of) RFC 2369
  28
  29 ;;; Code:
  30
  31 (require 'gnus)
  32 (eval-when-compile (require 'cl))
  33
  34 ;;; Mailing list minor mode
  35
  36 (defvar gnus-mailing-list-mode nil
  37   "Minor mode for providing mailing-list commands.")
  38
  39 (defvar gnus-mailing-list-mode-map nil)
  40
  41 (unless gnus-mailing-list-mode-map
  42   (setq gnus-mailing-list-mode-map (make-sparse-keymap))
  43
  44   (gnus-define-keys gnus-mailing-list-mode-map
  45     "\C-nh" gnus-mailing-list-help
  46     "\C-ns" gnus-mailing-list-subscribe
  47     "\C-nu" gnus-mailing-list-unsubscribe
  48     "\C-np" gnus-mailing-list-post
  49     "\C-no" gnus-mailing-list-owner
  50     "\C-na" gnus-mailing-list-archive
  51     ))
  52
  53 (defun gnus-mailing-list-make-menu-bar ()
  54   (unless (boundp 'gnus-mailing-list-menu)
  55     (easy-menu-define
  56      gnus-mailing-list-menu gnus-mailing-list-mode-map ""
  57      '("Mailing-Lists"
  58        ["Get help" gnus-mailing-list-help t]
  59        ["Subscribe" gnus-mailing-list-subscribe t]
  60        ["Unsubscribe" gnus-mailing-list-unsubscribe t]
  61        ["Post a message" gnus-mailing-list-post t]
  62        ["Mail to owner" gnus-mailing-list-owner t]
  63        ["Browse archive" gnus-mailing-list-archive t]))))
  64
  65 (defun turn-on-gnus-mailing-list-mode ()
  66   (when (gnus-group-get-parameter group 'to-list)
  67     (gnus-mailing-list-mode 1)))
  68
  69 (defun gnus-mailing-list-mode (&optional arg)
  70   "Minor mode for providing mailing-list commands.
  71
  72 \\{gnus-mailing-list-mode-map}"
  73   (interactive "P")
  74   (when (eq major-mode 'gnus-summary-mode)
  75     (when (set (make-local-variable 'gnus-mailing-list-mode)
  76                (if (null arg) (not gnus-mailing-list-mode)
  77                  (> (prefix-numeric-value arg) 0)))
  78       ;; Set up the menu.
  79       (when (gnus-visual-p 'mailing-list-menu 'menu)
  80         (gnus-mailing-list-make-menu-bar))
  81       (gnus-add-minor-mode 'gnus-mailing-list-mode " Mailing-List" gnus-mailing-list-mode-map)
  82       (gnus-run-hooks 'gnus-mailing-list-mode-hook))))
  83
  84 ;;; Commands
  85
  86 (defun gnus-mailing-list-help ()
  87   "Get help from mailing list server."
  88   (interactive)
  89   (cond (list-help (gnus-mailing-list-message list-help))
  90         (t (display-message 'no-log "no list-help in this group"))))
  91
  92 (defun gnus-mailing-list-subscribe ()
  93   "Subscribe"
  94   (interactive)
  95   (cond (list-subscribe (gnus-mailing-list-message list-subscribe))
  96         (t (display-message 'no-log "no list-subscribe in this group"))))
  97
  98
  99 (defun gnus-mailing-list-unsubscribe ()
 100   "Unsubscribe"
 101   (interactive)
 102   (cond (list-unsubscribe (gnus-mailing-list-message list-unsubscribe))
 103         (t (display-message 'no-log "no list-unsubscribe in this group"))))
 104
 105 (defun gnus-mailing-list-post ()
 106   "Post message (really useful ?)"
 107   (interactive)
 108   (cond (list-post (gnus-mailing-list-message list-post))
 109         (t (display-message 'no-log "no list-post in this group")))
 110   )
 111
 112 (defun gnus-mailing-list-owner ()
 113   "Mail to the owner"
 114   (interactive)
 115   (cond (list-owner (gnus-mailing-list-message list-owner))
 116         (t (display-message 'no-log "no list-owner in this group")))
 117   )
 118
 119 (defun gnus-mailing-list-archive ()
 120   "Browse archive"
 121   (interactive)
 122   (cond (list-archive (gnus-mailing-list-message list-archive))
 123         (t (display-message 'no-log "no list-owner in this group")))
 124   )
 125
 126 ;;; Utility functions
 127
 128 (defun gnus-xmas-mailing-list-menu-add ()
 129   (gnus-xmas-menu-add mailing-list
 130     gnus-mailing-list-menu))
 131
 132 (add-hook 'gnus-mailing-list-mode-hook 'gnus-xmas-mailing-list-menu-add)
 133
 134 (defun gnus-mailing-list-message (address)
 135   ""
 136   (let ((mailto  "")
 137         (to ())
 138         (subject "None")
 139         (body "")
 140         )
 141     (cond
 142      ((string-match "<mailto:\\([^>]*\\)>" address)
 143       (let ((args (match-string 1 address)))
 144         (cond                                   ; with param
 145          ((string-match "\\(.*\\)\\?\\(.*\\)" args)
 146           (setq mailto (match-string 1 args))
 147           (let ((param (match-string 2 args)))
 148             (if (string-match "subject=\\([^&]*\\)" param)
 149                 (setq subject (match-string 1 param)))
 150             (if (string-match "body=\\([^&]*\\)" param)
 151                 (setq body (match-string 1 param)))
 152             (if (string-match "to=\\([^&]*\\)" param)
 153                 (push (match-string 1 param) to))
 154             ))
 155          (t (setq mailto args)))))                      ; without param
 156
 157      ; other case <http://... to be done.
 158      (t nil))
 159     (gnus-setup-message 'message (message-mail mailto subject))
 160     (insert body)
 161     ))
 162
 163 (provide 'gnus-ml)
 164
 165 ;;; gnus-ml.el ends here