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Annotation of 43BSDReno/contrib/emacs-18.55/lisp/undigest.el, revision 1.1

1.1     ! root        1: ;; "RMAIL" mail reader for Emacs.
        !             2: ;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
        !             3: 
        !             4: ;; This file is part of GNU Emacs.
        !             5: 
        !             6: ;; GNU Emacs is distributed in the hope that it will be useful,
        !             7: ;; but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: ;; accepts responsibility to anyone for the consequences of using it
        !             9: ;; or for whether it serves any particular purpose or works at all,
        !            10: ;; unless he says so in writing.  Refer to the GNU Emacs General Public
        !            11: ;; License for full details.
        !            12: 
        !            13: ;; Everyone is granted permission to copy, modify and redistribute
        !            14: ;; GNU Emacs, but only under the conditions described in the
        !            15: ;; GNU Emacs General Public License.   A copy of this license is
        !            16: ;; supposed to have been given to you along with GNU Emacs so you
        !            17: ;; can know your rights and responsibilities.  It should be in a
        !            18: ;; file named COPYING.  Among other things, the copyright notice
        !            19: ;; and this notice must be preserved on all copies.
        !            20: 
        !            21: ;; note Interent RFP934
        !            22: 
        !            23: (defun undigestify-rmail-message ()
        !            24:   "Break up a digest message into its constituent messages.
        !            25: Leaves original message, deleted, before the undigestified messages."
        !            26:   (interactive)
        !            27:   (widen)
        !            28:   (let ((buffer-read-only nil)
        !            29:        (msg-string (buffer-substring (rmail-msgbeg rmail-current-message)
        !            30:                                      (rmail-msgend rmail-current-message))))
        !            31:     (goto-char (rmail-msgend rmail-current-message))
        !            32:     (narrow-to-region (point) (point))
        !            33:     (insert msg-string)
        !            34:     (narrow-to-region (point-min) (1- (point-max))))
        !            35:   (let ((error t)
        !            36:        (buffer-read-only nil))
        !            37:     (unwind-protect
        !            38:        (progn
        !            39:          (save-restriction
        !            40:            (goto-char (point-min))
        !            41:            (delete-region (point-min)
        !            42:                           (progn (search-forward "\n*** EOOH ***\n")
        !            43:                                  (point)))
        !            44:            (insert "\^_\^L\n0, unseen,,\n*** EOOH ***\n")
        !            45:            (narrow-to-region (point)
        !            46:                              (point-max))
        !            47:            (let* ((fill-prefix "")
        !            48:                   (case-fold-search t)
        !            49:                   (digest-name
        !            50:                    (mail-strip-quoted-names
        !            51:                     (or (save-restriction
        !            52:                           (search-forward "\n\n")
        !            53:                           (narrow-to-region (point-min) (point))
        !            54:                           (goto-char (point-max))
        !            55:                           (or (mail-fetch-field "Reply-To")
        !            56:                               (mail-fetch-field "To")
        !            57:                               (mail-fetch-field "Apparently-To")))
        !            58:                         (error "Message is not a digest")))))
        !            59:              (save-excursion
        !            60:                (goto-char (point-max))
        !            61:                (skip-chars-backward " \t\n")
        !            62:                (let ((count 10) found)
        !            63:                  ;; compensate for broken un*x digestifiers.  Sigh Sigh.
        !            64:                  (while (and (> count 0) (not found))
        !            65:                    (forward-line -1)
        !            66:                    (setq count (1- count))
        !            67:                    (if (looking-at (concat "End of.*Digest.*\n"
        !            68:                                            (regexp-quote "*********") "*"
        !            69:                                            "\\(\n------*\\)*"))
        !            70:                        (setq found t)))
        !            71:                  (if (not found) (error "Message is not a digest"))))
        !            72:              (re-search-forward (concat "^" (make-string 55 ?-) "-*\n*"))
        !            73:              (replace-match "\^_\^L\n0, unseen,,\n*** EOOH ***\n")
        !            74:              (save-restriction
        !            75:                (narrow-to-region (point)
        !            76:                                  (progn (search-forward "\n\n")
        !            77:                                         (point)))
        !            78:                (if (mail-fetch-field "To") nil
        !            79:                  (goto-char (point-min))
        !            80:                  (insert "To: " digest-name "\n")))
        !            81:              (while (re-search-forward
        !            82:                      (concat "\n\n" (make-string 27 ?-) "-*\n*")
        !            83:                      nil t)
        !            84:                (replace-match "\n\n\^_\^L\n0, unseen,,\n*** EOOH ***\n")
        !            85:                (save-restriction
        !            86:                  (if (looking-at "End ")
        !            87:                      (insert "To: " digest-name "\n\n")
        !            88:                    (narrow-to-region (point)
        !            89:                                      (progn (search-forward "\n\n"
        !            90:                                                             nil 'move)
        !            91:                                             (point))))
        !            92:                  (if (mail-fetch-field "To") nil
        !            93:                    (goto-char (point-min))
        !            94:                    (insert "To: " digest-name "\n"))))))
        !            95:          (setq error nil)
        !            96:          (message "Message successfully undigestified")
        !            97:          (let ((n rmail-current-message))
        !            98:            (rmail-forget-messages)
        !            99:            (rmail-show-message n)
        !           100:            (rmail-delete-forward)))
        !           101:       (cond (error
        !           102:             (narrow-to-region (point-min) (1+ (point-max)))
        !           103:             (delete-region (point-min) (point-max))
        !           104:             (rmail-show-message rmail-current-message))))))
        !           105: 

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