lisp/mh-e/mh-inc.el

   1 ;;; mh-inc.el --- MH-E `inc' and separate mail spool handling
   2 ;;
   3 ;; Copyright (C) 2003 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 2, or (at your option)
  15 ;; 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; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26
  27 ;;; Commentary:
  28
  29 ;;  Support for inc. In addition to reading from the system mailbox, inc can
  30 ;;  also be used to incorporate mail from multiple spool files into separate
  31 ;;  folders. See `C-h v mh-inc-spool-list'.
  32
  33 ;;; Change Log:
  34
  35 ;;; Code:
  36
  37 (eval-when-compile (require 'cl))
  38
  39 (defvar mh-inc-spool-map (make-sparse-keymap)
  40   "Keymap for MH-E's mh-inc-spool commands.")
  41
  42 (defvar mh-inc-spool-map-help nil
  43   "Help text to for `mh-inc-spool-map'.")
  44
  45 (define-key mh-inc-spool-map "?"
  46   '(lambda ()
  47      (interactive)
  48      (if mh-inc-spool-map-help
  49          (mh-ephem-message (substring mh-inc-spool-map-help 0 -1))
  50        (mh-ephem-message
  51         "There are no keys defined yet.  Customize `mh-inc-spool-list'"))))
  52
  53 (defun mh-inc-spool-generator (folder spool)
  54   "Create a command to inc into FOLDER from SPOOL file."
  55   (let ((folder1 (make-symbol "folder"))
  56         (spool1 (make-symbol "spool")))
  57     (set folder1 folder)
  58     (set spool1 spool)
  59     (setf (symbol-function (intern (concat "mh-inc-spool-" folder)))
  60           `(lambda ()
  61              ,(format "Inc spool file %s into folder %s" spool folder)
  62              (interactive)
  63              (mh-inc-folder ,spool1 (concat "+" ,folder1))))))
  64
  65 (defun mh-inc-spool-def-key (key folder)
  66   "Define a KEY in `mh-inc-spool-map' to inc FOLDER and collect help string."
  67   (when (not (= 0 key))
  68     (define-key mh-inc-spool-map (format "%c" key)
  69        (intern (concat "mh-inc-spool-" folder)))
  70     (setq mh-inc-spool-map-help (concat mh-inc-spool-map-help "["
  71                                         (char-to-string key)
  72                                         "] inc " folder " folder\n"))))
  73
  74 ;; Avoid compiler warning
  75 (eval-when-compile (defvar mh-inc-spool-list))
  76
  77 (defun mh-inc-spool-make ()
  78   "Make all commands and defines keys for contents of `mh-inc-spool-list'."
  79   (when mh-inc-spool-list
  80     (setq mh-inc-spool-map-help nil)
  81     (loop for elem in mh-inc-spool-list
  82           do (let ((spool (nth 0 elem))
  83                    (folder (nth 1 elem))
  84                    (key (nth 2 elem)))
  85                (progn
  86                  (mh-inc-spool-generator folder spool)
  87                  (mh-inc-spool-def-key key folder))))))
  88
  89 ;;;###mh-autoload
  90 (defun mh-inc-spool-list-set (symbol value)
  91   "Set-default SYMBOL to VALUE to update the `mh-inc-spool-list' variable.
  92 Also rebuilds the user commands.
  93 This is called after 'customize is used to alter `mh-inc-spool-list'."
  94   (set-default symbol value)
  95   (mh-inc-spool-make))
  96
  97 (provide 'mh-inc)
  98
  99 ;;; Local Variables:
 100 ;;; indent-tabs-mode: nil
 101 ;;; sentence-end-double-space: nil
 102 ;;; End:
 103
 104 ;;; arch-tag: 3713cf2a-6082-4cb4-8ce2-99d9acaba835
 105 ;;; mh-inc.el ends here