rmailout.el 6.73 KB
Newer Older
root's avatar
root committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
;; "RMAIL" mail reader for Emacs: output message to a file.
;; Copyright (C) 1985, 1987 Free Software Foundation, Inc.

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 1, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.


;; Temporary until Emacs always has this variable.
(defvar rmail-delete-after-output nil
  "*Non-nil means automatically delete a message that is copied to a file.")

25 26 27 28
(defvar rmail-output-file-alist nil
  "*Alist matching regexps to suggested output Rmail files.
This is a list of elements of the form (REGEXP . FILENAME).")

root's avatar
root committed
29 30 31 32 33 34 35 36 37 38 39 40 41
(defun rmail-output-to-rmail-file (count file-name)
  "Append the current message to an Rmail file named FILE-NAME.
If the file does not exist, ask if it should be created.
If file is being visited, the message is appended to the Emacs
buffer visiting that file.
A prefix argument N says to output N consecutive messages
starting with the current one.  Deleted messages are skipped and don't count."
  (interactive (list (prefix-numeric-value current-prefix-arg)
		     (read-file-name
		      (concat "Output message to Rmail file: (default "
			      (file-name-nondirectory rmail-last-rmail-file)
			      ") ")
		      (file-name-directory rmail-last-rmail-file)
42 43 44 45 46 47 48 49 50 51 52
		      (let (answer tail)
			(setq tail rmail-output-file-alist)
			;; Suggest a file based on a pattern match.
			(while (and tail (not answer))
			  (save-excursion
			    (goto-char (point-min))
			    (if (re-search-forward (car (car tail)) nil t)
				(setq answer (cdr (car tail))))
			    (setq tail (cdr tail))))
			;; If not suggestions, use same file as last time.
			(or answer rmail-last-rmail-file)))))
Jim Blandy's avatar
Jim Blandy committed
53 54 55
  (setq file-name
	(expand-file-name file-name
			  (file-name-directory rmail-last-rmail-file)))
root's avatar
root committed
56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
  (setq rmail-last-rmail-file file-name)
  (rmail-maybe-set-message-counters)
  (or (get-file-buffer file-name)
      (file-exists-p file-name)
      (if (yes-or-no-p
	   (concat "\"" file-name "\" does not exist, create it? "))
	  (let ((file-buffer (create-file-buffer file-name)))
	    (save-excursion
	      (set-buffer file-buffer)
	      (rmail-insert-rmail-file-header)
	      (let ((require-final-newline nil))
		(write-region (point-min) (point-max) file-name t 1)))
	    (kill-buffer file-buffer))
	(error "Output file does not exist")))
  (while (> count 0)
    (let (redelete)
      (unwind-protect
	  (progn
	    (save-restriction
	      (widen)
	      (if (rmail-message-deleted-p rmail-current-message)
		  (progn (setq redelete t)
			 (rmail-set-attribute "deleted" nil)))
	      ;; Decide whether to append to a file or to an Emacs buffer.
	      (save-excursion
		(let ((buf (get-file-buffer file-name))
		      (cur (current-buffer))
		      (beg (1+ (rmail-msgbeg rmail-current-message)))
		      (end (1+ (rmail-msgend rmail-current-message))))
		  (if (not buf)
		      (append-to-file beg end file-name)
		    (if (eq buf (current-buffer))
			(error "Can't output message to same file it's already in"))
		    ;; File has been visited, in buffer BUF.
		    (set-buffer buf)
		    (let ((buffer-read-only nil)
			  (msg (and (boundp 'rmail-current-message)
				    rmail-current-message)))
		      ;; If MSG is non-nil, buffer is in RMAIL mode.
		      (if msg
			  (progn
			    (rmail-maybe-set-message-counters)
			    (widen)
			    (narrow-to-region (point-max) (point-max))
			    (insert-buffer-substring cur beg end)
			    (goto-char (point-min))
			    (widen)
			    (search-backward "\n\^_")
			    (narrow-to-region (point) (point-max))
			    (rmail-count-new-messages t)
			    (rmail-show-message msg))
	      ;; Output file not in rmail mode => just insert at the end.
	      (narrow-to-region (point-min) (1+ (buffer-size)))
	      (goto-char (point-max))
	      (insert-buffer-substring cur beg end)))))))
	    (rmail-set-attribute "filed" t))
	(if redelete (rmail-set-attribute "deleted" t))))
    (setq count (1- count))
    (if rmail-delete-after-output
	(rmail-delete-forward)
      (if (> count 0)
	  (rmail-next-undeleted-message 1)))))

(defun rmail-output (count file-name)
  "Append this message to Unix mail file named FILE-NAME.
A prefix argument N says to output N consecutive messages
starting with the current one.  Deleted messages are skipped and don't count."
  (interactive
   (list (prefix-numeric-value current-prefix-arg)
	 (read-file-name
	  (concat "Output message to Unix mail file"
		  (if rmail-last-file
		      (concat " (default "
			      (file-name-nondirectory rmail-last-file)
			      "): " )
		    ": "))			
	  (and rmail-last-file (file-name-directory rmail-last-file))
	  rmail-last-file)))
Jim Blandy's avatar
Jim Blandy committed
134 135 136 137
  (setq file-name
	(expand-file-name file-name
			  (and rmail-last-file
			       (file-name-directory rmail-last-file))))
root's avatar
root committed
138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182
  (setq rmail-last-file file-name)
  (while (> count 0)
    (let ((rmailbuf (current-buffer))
	  (tembuf (get-buffer-create " rmail-output"))
	  (case-fold-search t))
      (save-excursion
	(set-buffer tembuf)
	(erase-buffer)
	;; If we can do it, read a little of the file
	;; to check whether it is an RMAIL file.
	;; If it is, don't mess it up.
	(if (fboundp 'insert-partial-file-contents)
	    (progn
	      (insert-partial-file-contents file-name 0 20)
	      (if (looking-at "BABYL OPTIONS:\n")
		  (error (save-excursion
			   (set-buffer rmailbuf)
			   (substitute-command-keys
			    "File %s is an RMAIL file; use the \\[rmail-output-to-rmail-file] command"))
			 file-name))
	      (erase-buffer)))
	(insert-buffer-substring rmailbuf)
	(insert "\n")
	(goto-char (point-min))
	(insert "From "
		(mail-strip-quoted-names (or (mail-fetch-field "from")
					     (mail-fetch-field "really-from")
					     (mail-fetch-field "sender")
					     "unknown"))
		" " (current-time-string) "\n")
	;; ``Quote'' "\nFrom " as "\n>From "
	;;  (note that this isn't really quoting, as there is no requirement
	;;   that "\n[>]+From " be quoted in the same transparent way.)
	(while (search-forward "\nFrom " nil t)
	  (forward-char -5)
	  (insert ?>))
	(append-to-file (point-min) (point-max) file-name))
      (kill-buffer tembuf))
    (if (equal major-mode 'rmail-mode)
	(rmail-set-attribute "filed" t))
    (setq count (1- count))
    (if rmail-delete-after-output
	(rmail-delete-forward)
      (if (> count 0)
	  (rmail-next-undeleted-message 1)))))