1;;; undigest.el --- digest-cracking support for the RMAIL mail reader 2 3;; Copyright (C) 1985, 1986, 1994 Free Software Foundation, Inc. 4 5;; Maintainer: FSF 6;; Keywords: 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 2, or (at your option) 13;; 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; see the file COPYING. If not, write to 22;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 23 24;;; Commentary: 25 26;; See Internet RFC 934 27 28;;; Code: 29 30(require 'rmail) 31 32(defun undigestify-rmail-message () 33 "Break up a digest message into its constituent messages. 34Leaves original message, deleted, before the undigestified messages." 35 (interactive) 36 (widen) 37 (let ((buffer-read-only nil) 38 (msg-string (buffer-substring (rmail-msgbeg rmail-current-message) 39 (rmail-msgend rmail-current-message)))) 40 (goto-char (rmail-msgend rmail-current-message)) 41 (narrow-to-region (point) (point)) 42 (insert msg-string) 43 (narrow-to-region (point-min) (1- (point-max)))) 44 (let ((error t) 45 (buffer-read-only nil)) 46 (unwind-protect 47 (progn 48 (save-restriction 49 (goto-char (point-min)) 50 (delete-region (point-min) 51 (progn (search-forward "\n*** EOOH ***\n") 52 (point))) 53 (insert "\^_\^L\n0, unseen,,\n*** EOOH ***\n") 54 (narrow-to-region (point) 55 (point-max)) 56 (let* ((fill-prefix "") 57 (case-fold-search t) 58 (digest-name 59 (mail-strip-quoted-names 60 (or (save-restriction 61 (search-forward "\n\n") 62 (narrow-to-region (point-min) (point)) 63 (goto-char (point-max)) 64 (or (mail-fetch-field "Reply-To") 65 (mail-fetch-field "To") 66 (mail-fetch-field "Apparently-To") 67 (mail-fetch-field "From"))) 68 (error "Message is not a digest"))))) 69 (save-excursion 70 (goto-char (point-max)) 71 (skip-chars-backward " \t\n") 72 (let ((count 10) found) 73 ;; compensate for broken un*x digestifiers. Sigh Sigh. 74 (while (and (> count 0) (not found)) 75 (forward-line -1) 76 (setq count (1- count)) 77 (if (looking-at (concat "End of.*Digest.*\n" 78 (regexp-quote "*********") "*" 79 "\\(\n------*\\)*")) 80 (setq found t))) 81 (if (not found) (error "Message is not a digest")))) 82 (re-search-forward (concat "^" (make-string 55 ?-) "-*\n*")) 83 (replace-match "\^_\^L\n0, unseen,,\n*** EOOH ***\n") 84 (save-restriction 85 (narrow-to-region (point) 86 (progn (search-forward "\n\n") 87 (point))) 88 (if (mail-fetch-field "To") nil 89 (goto-char (point-min)) 90 (insert "To: " digest-name "\n"))) 91 (while (re-search-forward 92 (concat "\n\n" (make-string 27 ?-) "-*\n*") 93 nil t) 94 (replace-match "\n\n\^_\^L\n0, unseen,,\n*** EOOH ***\n") 95 (save-restriction 96 (if (looking-at "End ") 97 (insert "To: " digest-name "\n\n") 98 (narrow-to-region (point) 99 (progn (search-forward "\n\n" 100 nil 'move) 101 (point)))) 102 (if (mail-fetch-field "To") nil 103 (goto-char (point-min)) 104 (insert "To: " digest-name "\n")))))) 105 (setq error nil) 106 (message "Message successfully undigestified") 107 (let ((n rmail-current-message)) 108 (rmail-forget-messages) 109 (rmail-show-message n) 110 (rmail-delete-forward) 111 (if (rmail-summary-exists) 112 (rmail-select-summary 113 (rmail-update-summary))))) 114 (cond (error 115 (narrow-to-region (point-min) (1+ (point-max))) 116 (delete-region (point-min) (point-max)) 117 (rmail-show-message rmail-current-message)))))) 118 119;;; undigest.el ends here 120