lisp/gnus/gnus-vm.el

   1 ;;; gnus-vm.el --- vm interface for Gnus
   2
   3 ;; Copyright (C) 1994-2017 Free Software Foundation, Inc.
   4
   5 ;; Author: Per Persson <pp@gnu.ai.mit.edu>
   6 ;; Keywords: news, mail
   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 3 of the License, or
  13 ;; (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24
  25 ;; Major contributors:
  26 ;;      Christian Limpach <Christian.Limpach@nice.ch>
  27 ;; Some code stolen from:
  28 ;;      Rick Sladkey <jrs@world.std.com>
  29
  30 ;;; Code:
  31
  32 (require 'sendmail)
  33 (require 'message)
  34 (require 'gnus)
  35 (require 'gnus-msg)
  36
  37 (eval-when-compile
  38   (require 'cl))
  39
  40 (autoload 'vm-mode "vm")
  41 (autoload 'vm-save-message "vm")
  42
  43 (defvar gnus-vm-inhibit-window-system nil
  44   "Inhibit loading `win-vm' if using a window-system.
  45 Has to be set before gnus-vm is loaded.")
  46
  47 (unless gnus-vm-inhibit-window-system
  48   (ignore-errors
  49     (when window-system
  50       (require 'win-vm))))
  51
  52 (defun gnus-vm-make-folder (&optional buffer)
  53   (require 'vm)
  54   (let ((article (or buffer (current-buffer)))
  55         (tmp-folder (generate-new-buffer " *tmp-folder*"))
  56         (start (point-min))
  57         (end (point-max)))
  58     (set-buffer tmp-folder)
  59     (insert-buffer-substring article start end)
  60     (goto-char (point-min))
  61     (if (looking-at "^\\(From [^ ]+ \\).*$")
  62         (replace-match (concat "\\1" (current-time-string)))
  63       (insert "From " gnus-newsgroup-name " "
  64               (current-time-string) "\n"))
  65     (while (re-search-forward "\n\nFrom " nil t)
  66       (replace-match "\n\n>From "))
  67     ;; insert a newline, otherwise the last line gets lost
  68     (goto-char (point-max))
  69     (insert "\n")
  70     (vm-mode)
  71     tmp-folder))
  72
  73 (defun gnus-summary-save-article-vm (&optional arg)
  74   "Append the current article to a vm folder.
  75 If N is a positive number, save the N next articles.
  76 If N is a negative number, save the N previous articles.
  77 If N is nil and any articles have been marked with the process mark,
  78 save those articles instead."
  79   (interactive "P")
  80   (require 'gnus-art)
  81   (let ((gnus-default-article-saver 'gnus-summary-save-in-vm))
  82     (gnus-summary-save-article arg)))
  83
  84 (defun gnus-summary-save-in-vm (&optional folder)
  85   (interactive)
  86   (require 'vm)
  87   (setq folder
  88         (gnus-read-save-file-name
  89          "Save %s in VM folder:" folder
  90          gnus-mail-save-name gnus-newsgroup-name
  91          gnus-current-headers 'gnus-newsgroup-last-mail))
  92   (gnus-eval-in-buffer-window gnus-original-article-buffer
  93     (save-excursion
  94       (save-restriction
  95         (widen)
  96         (let ((vm-folder (gnus-vm-make-folder)))
  97           (vm-save-message folder)
  98           (kill-buffer vm-folder))))))
  99
 100 (provide 'gnus-vm)
 101
 102 ;;; gnus-vm.el ends here