lisp/mh-e/mh-inc.el

   1 ;;; mh-inc.el --- MH-E "inc" and separate mail spool handling
   2
   3 ;; Copyright (C) 2003-2004, 2006-2016 Free Software Foundation, Inc.
   4
   5 ;; Author: Peter S. Galbraith <psg@debian.org>
   6 ;; Maintainer: Bill Wohler <wohler@newt.com>
   7 ;; Keywords: mail
   8 ;; See: mh-e.el
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software: you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation, either version 3 of the License, or
  15 ;; (at your option) any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 ;;; Commentary:
  26
  27 ;; Support for inc. In addition to reading from the system mailbox,
  28 ;; inc can also be used to incorporate mail from multiple spool files
  29 ;; into separate folders. See "C-h v mh-inc-spool-list".
  30
  31 ;;; Change Log:
  32
  33 ;;; Code:
  34
  35 (require 'mh-e)
  36 (mh-require-cl)
  37
  38 (defvar mh-inc-spool-map-help nil
  39   "Help text for `mh-inc-spool-map'.")
  40
  41 (define-key mh-inc-spool-map "?"
  42   (lambda ()
  43     (interactive)
  44     (if mh-inc-spool-map-help
  45         (mh-help mh-inc-spool-map-help)
  46       (mh-ephem-message
  47        "There are no keys defined yet; customize `mh-inc-spool-list'"))))
  48
  49 ;;;###mh-autoload
  50 (defun mh-inc-spool-make ()
  51   "Make all commands and defines keys for contents of `mh-inc-spool-list'."
  52   (setq mh-inc-spool-map-help nil)
  53   (when mh-inc-spool-list
  54     (loop for elem in mh-inc-spool-list
  55           do (let ((spool (nth 0 elem))
  56                    (folder (nth 1 elem))
  57                    (key (nth 2 elem)))
  58                (progn
  59                  (mh-inc-spool-generator folder spool)
  60                  (mh-inc-spool-def-key key folder))))))
  61
  62 (defalias 'mh-inc-spool-make-no-autoload 'mh-inc-spool-make)
  63
  64 (defun mh-inc-spool-generator (folder spool)
  65   "Create a command to inc into FOLDER from SPOOL file."
  66   (let ((folder1 (make-symbol "folder"))
  67         (spool1 (make-symbol "spool")))
  68     (set folder1 folder)
  69     (set spool1 spool)
  70     (setf (symbol-function (intern (concat "mh-inc-spool-" folder)))
  71           `(lambda ()
  72              ,(format "Inc spool file %s into folder %s." spool folder)
  73              (interactive)
  74              (mh-inc-folder ,spool1 (concat "+" ,folder1))))))
  75
  76 (defun mh-inc-spool-def-key (key folder)
  77   "Define a KEY in `mh-inc-spool-map' to inc FOLDER and collect help string."
  78   (when (not (= 0 key))
  79     (define-key mh-inc-spool-map (format "%c" key)
  80        (intern (concat "mh-inc-spool-" folder)))
  81     (add-to-list 'mh-inc-spool-map-help
  82                  (concat "[" (char-to-string key) "] inc " folder " folder\n")
  83                  t)))
  84
  85 (provide 'mh-inc)
  86
  87 ;; Local Variables:
  88 ;; indent-tabs-mode: nil
  89 ;; sentence-end-double-space: nil
  90 ;; End:
  91
  92 ;;; mh-inc.el ends here