lisp/mh-e/mh-inc.el

   1 ;;; mh-inc.el --- MH-E `inc' and separate mail spool handling
   2 ;;
   3 ;; Copyright (C) 2003, 2004 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 'mh-acros))
  38 (mh-require-cl)
  39
  40 (defvar mh-inc-spool-map (make-sparse-keymap)
  41   "Keymap for MH-E's mh-inc-spool commands.")
  42
  43 (defvar mh-inc-spool-map-help nil
  44   "Help text to for `mh-inc-spool-map'.")
  45
  46 (define-key mh-inc-spool-map "?"
  47   '(lambda ()
  48      (interactive)
  49      (if mh-inc-spool-map-help
  50          (let ((mh-help-messages (list (list nil mh-inc-spool-map-help))))
  51            (mh-help))
  52        (mh-ephem-message
  53         "There are no keys defined yet.  Customize `mh-inc-spool-list'"))))
  54
  55 (defun mh-inc-spool-generator (folder spool)
  56   "Create a command to inc into FOLDER from SPOOL file."
  57   (let ((folder1 (make-symbol "folder"))
  58         (spool1 (make-symbol "spool")))
  59     (set folder1 folder)
  60     (set spool1 spool)
  61     (setf (symbol-function (intern (concat "mh-inc-spool-" folder)))
  62           `(lambda ()
  63              ,(format "Inc spool file %s into folder %s" spool folder)
  64              (interactive)
  65              (mh-inc-folder ,spool1 (concat "+" ,folder1))))))
  66
  67 (defun mh-inc-spool-def-key (key folder)
  68   "Define a KEY in `mh-inc-spool-map' to inc FOLDER and collect help string."
  69   (when (not (= 0 key))
  70     (define-key mh-inc-spool-map (format "%c" key)
  71        (intern (concat "mh-inc-spool-" folder)))
  72     (setq mh-inc-spool-map-help (concat mh-inc-spool-map-help "["
  73                                         (char-to-string key)
  74                                         "] inc " folder " folder\n"))))
  75
  76 ;; Avoid compiler warning
  77 (defvar mh-inc-spool-list)
  78
  79 (defun mh-inc-spool-make ()
  80   "Make all commands and defines keys for contents of `mh-inc-spool-list'."
  81   (when mh-inc-spool-list
  82     (setq mh-inc-spool-map-help nil)
  83     (loop for elem in mh-inc-spool-list
  84           do (let ((spool (nth 0 elem))
  85                    (folder (nth 1 elem))
  86                    (key (nth 2 elem)))
  87                (progn
  88                  (mh-inc-spool-generator folder spool)
  89                  (mh-inc-spool-def-key key folder))))))
  90
  91 ;;;###mh-autoload
  92 (defun mh-inc-spool-list-set (symbol value)
  93   "Set-default SYMBOL to VALUE to update the `mh-inc-spool-list' variable.
  94 Also rebuilds the user commands.
  95 This is called after 'customize is used to alter `mh-inc-spool-list'."
  96   (set-default symbol value)
  97   (mh-inc-spool-make))
  98
  99 (provide 'mh-inc)
 100
 101 ;; Local Variables:
 102 ;; indent-tabs-mode: nil
 103 ;; sentence-end-double-space: nil
 104 ;; End:
 105
 106 ;; arch-tag: 3713cf2a-6082-4cb4-8ce2-99d9acaba835
 107 ;;; mh-inc.el ends here