code.delx.au - gnu-emacs/blob - 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 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., 51 Franklin Street, Fifth Floor,
  25 ;; Boston, MA 02110-1301, 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 ;;(message "> mh-inc")
  38 (eval-when-compile (require 'mh-acros))
  39 (mh-require-cl)
  40 ;;(message "< mh-inc")
  41
  42 (defvar mh-inc-spool-map (make-sparse-keymap)
  43   "Keymap for MH-E's mh-inc-spool commands.")
  44
  45 (defvar mh-inc-spool-map-help nil
  46   "Help text to for `mh-inc-spool-map'.")
  47
  48 (define-key mh-inc-spool-map "?"
  49   '(lambda ()
  50      (interactive)
  51      (if mh-inc-spool-map-help
  52          (let ((mh-help-messages (list (list nil mh-inc-spool-map-help))))
  53            (mh-help))
  54        (mh-ephem-message
  55         "There are no keys defined yet.  Customize `mh-inc-spool-list'"))))
  56
  57 (defun mh-inc-spool-generator (folder spool)
  58   "Create a command to inc into FOLDER from SPOOL file."
  59   (let ((folder1 (make-symbol "folder"))
  60         (spool1 (make-symbol "spool")))
  61     (set folder1 folder)
  62     (set spool1 spool)
  63     (setf (symbol-function (intern (concat "mh-inc-spool-" folder)))
  64           `(lambda ()
  65              ,(format "Inc spool file %s into folder %s" spool folder)
  66              (interactive)
  67              (mh-inc-folder ,spool1 (concat "+" ,folder1))))))
  68
  69 (defun mh-inc-spool-def-key (key folder)
  70   "Define a KEY in `mh-inc-spool-map' to inc FOLDER and collect help string."
  71   (when (not (= 0 key))
  72     (define-key mh-inc-spool-map (format "%c" key)
  73        (intern (concat "mh-inc-spool-" folder)))
  74     (setq mh-inc-spool-map-help (concat mh-inc-spool-map-help "["
  75                                         (char-to-string key)
  76                                         "] inc " folder " folder\n"))))
  77
  78 ;; Shush compiler.
  79 (eval-when-compile (defvar mh-inc-spool-list))
  80
  81 (defun mh-inc-spool-make ()
  82   "Make all commands and defines keys for contents of `mh-inc-spool-list'."
  83   (when mh-inc-spool-list
  84     (setq mh-inc-spool-map-help nil)
  85     (loop for elem in mh-inc-spool-list
  86           do (let ((spool (nth 0 elem))
  87                    (folder (nth 1 elem))
  88                    (key (nth 2 elem)))
  89                (progn
  90                  (mh-inc-spool-generator folder spool)
  91                  (mh-inc-spool-def-key key folder))))))
  92
  93 ;;;###mh-autoload
  94 (defun mh-inc-spool-list-set (symbol value)
  95   "Set-default SYMBOL to VALUE to update the `mh-inc-spool-list' variable.
  96 Also rebuilds the user commands.
  97 This is called after 'customize is used to alter `mh-inc-spool-list'."
  98   (set-default symbol value)
  99   (mh-inc-spool-make))
 100
 101 (provide 'mh-inc)
 102
 103 ;; Local Variables:
 104 ;; indent-tabs-mode: nil
 105 ;; sentence-end-double-space: nil
 106 ;; End:
 107
 108 ;; arch-tag: 3713cf2a-6082-4cb4-8ce2-99d9acaba835
 109 ;;; mh-inc.el ends here