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- ;;; rmailout.el --- "RMAIL" mail reader for Emacs: output message to a file.
-
- ;; Copyright (C) 1985, 1987, 1993, 1994 Free Software Foundation, Inc.
-
- ;; Maintainer: FSF
- ;; Keywords: mail
-
- ;; 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 2, 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, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Code:
-
- (require 'rmail)
-
- ;; 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.")
-
- (defvar rmail-output-file-alist nil
- "*Alist matching regexps to suggested output Rmail files.
- This is a list of elements of the form (REGEXP . NAME-EXP).
- The suggestion is taken if REGEXP matches anywhere in the message buffer.
- NAME-EXP may be a string constant giving the file name to use,
- or more generally it may be any kind of expression that returns
- a file name as a string.")
-
- ;;; There are functions elsewhere in Emacs that use this function; check
- ;;; them out before you change the calling method.
- (defun rmail-output-to-rmail-file (file-name &optional count)
- "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.
- If the file exists and is not an Rmail file,
- the message is appended in inbox format.
-
- The default file name comes from `rmail-default-rmail-file',
- which is updated to the name you use in this command.
-
- A prefix argument N says to output N consecutive messages
- starting with the current one. Deleted messages are skipped and don't count."
- (interactive
- (let ((default-file
- (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 (eval (cdr (car tail)))))
- (setq tail (cdr tail))))
- ;; If not suggestions, use same file as last time.
- (or answer rmail-default-rmail-file))))
- (list (setq rmail-default-rmail-file
- (let ((read-file
- (read-file-name
- (concat "Output message to Rmail file: (default "
- (file-name-nondirectory default-file)
- ") ")
- (file-name-directory default-file)
- default-file)))
- (if (file-directory-p read-file)
- (expand-file-name (file-name-nondirectory default-file)
- read-file)
- (expand-file-name
- (or read-file default-file)
- (file-name-directory default-file)))))
- (prefix-numeric-value current-prefix-arg))))
- (or count (setq count 1))
- (setq file-name
- (expand-file-name file-name
- (file-name-directory rmail-default-rmail-file)))
- (if (and (file-readable-p file-name) (not (mail-file-babyl-p file-name)))
- (rmail-output file-name count)
- (rmail-maybe-set-message-counters)
- (setq file-name (abbreviate-file-name file-name))
- (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
- ;; Temporarily turn off Deleted attribute.
- ;; Do this outside the save-restriction, since it would
- ;; shift the place in the buffer where the visible text starts.
- (if (rmail-message-deleted-p rmail-current-message)
- (progn (setq redelete t)
- (rmail-set-attribute "deleted" nil)))
- (save-restriction
- (widen)
- ;; 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)
- ;; Output to a file.
- (if rmail-fields-not-to-output
- ;; Delete some fields while we output.
- (let ((obuf (current-buffer)))
- (set-buffer (get-buffer-create " rmail-out-temp"))
- (insert-buffer-substring obuf beg end)
- (rmail-delete-unwanted-fields)
- (append-to-file (point-min) (point-max) file-name)
- (set-buffer obuf)
- (kill-buffer (get-buffer " rmail-out-temp")))
- (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
- ;; Turn on auto save mode, if it's off in this
- ;; buffer but enabled by default.
- (and (not buffer-auto-save-file-name)
- auto-save-default
- (auto-save-mode t))
- (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-delete-unwanted-fields)
- (rmail-count-new-messages t)
- (if (rmail-summary-exists)
- (rmail-select-summary
- (rmail-update-summary)))
- (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-delete-unwanted-fields)))))))
- (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))))))
-
- (defvar rmail-fields-not-to-output nil
- "*Regexp describing fields to exclude when outputting a message to a file.")
-
- ;; Delete from the buffer header fields we don't want output.
- ;; NOT-RMAIL if t means this buffer does not have the full header
- ;; and *** EOOH *** that a message in an Rmail file has.
- (defun rmail-delete-unwanted-fields (&optional not-rmail)
- (if rmail-fields-not-to-output
- (save-excursion
- (goto-char (point-min))
- ;; Find the end of the header.
- (if (and (or not-rmail (search-forward "\n*** EOOH ***\n" nil t))
- (search-forward "\n\n" nil t))
- (let ((end (point-marker)))
- (goto-char (point-min))
- (while (re-search-forward rmail-fields-not-to-output end t)
- (beginning-of-line)
- (delete-region (point)
- (progn (forward-line 1) (point)))))))))
-
- ;;; There are functions elsewhere in Emacs that use this function; check
- ;;; them out before you change the calling method.
- (defun rmail-output (file-name &optional count noattribute from-gnus)
- "Append this message to system-inbox-format 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.
- When called from lisp code, N may be omitted.
-
- If the pruned message header is shown on the current message, then
- messages will be appended with pruned headers; otherwise, messages
- will be appended with their original headers.
-
- The default file name comes from `rmail-default-file',
- which is updated to the name you use in this command.
-
- The optional third argument NOATTRIBUTE, if non-nil, says not
- to set the `filed' attribute, and not to display a message.
-
- The optional fourth argument FROM-GNUS is set when called from GNUS."
- (interactive
- (let ((default-file
- (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 (eval (cdr (car tail)))))
- (setq tail (cdr tail))))
- ;; If not suggestions, use same file as last time.
- (or answer rmail-default-file))))
- (list (setq rmail-default-file
- (let ((read-file
- (read-file-name
- (concat "Output message to Unix mail file: (default "
- (file-name-nondirectory default-file)
- ") ")
- (file-name-directory default-file)
- default-file)))
- (if (file-directory-p read-file)
- (expand-file-name (file-name-nondirectory default-file)
- read-file)
- (expand-file-name
- (or read-file default-file)
- (file-name-directory default-file)))))
- (prefix-numeric-value current-prefix-arg))))
- (or count (setq count 1))
- (setq file-name
- (expand-file-name file-name
- (and rmail-default-file
- (file-name-directory rmail-default-file))))
- (if (and (file-readable-p file-name) (mail-file-babyl-p file-name))
- (rmail-output-to-rmail-file file-name count)
- (let ((orig-count count)
- (rmailbuf (current-buffer))
- (case-fold-search t)
- (tembuf (get-buffer-create " rmail-output"))
- (original-headers-p
- (and (not from-gnus)
- (save-excursion
- (save-restriction
- (narrow-to-region (rmail-msgbeg rmail-current-message) (point-max))
- (goto-char (point-min))
- (forward-line 1)
- (= (following-char) ?0)))))
- header-beginning
- mail-from)
- (while (> count 0)
- (or from-gnus
- (setq mail-from
- (save-excursion
- (save-restriction
- (widen)
- (goto-char (rmail-msgbeg rmail-current-message))
- (setq header-beginning (point))
- (search-forward "\n*** EOOH ***\n")
- (narrow-to-region header-beginning (point))
- (mail-fetch-field "Mail-From")))))
- (save-excursion
- (set-buffer tembuf)
- (erase-buffer)
- (insert-buffer-substring rmailbuf)
- (rmail-delete-unwanted-fields t)
- (insert "\n")
- (goto-char (point-min))
- (if mail-from
- (insert mail-from "\n")
- (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.)
- (let ((case-fold-search nil))
- (while (search-forward "\nFrom " nil t)
- (forward-char -5)
- (insert ?>)))
- (write-region (point-min) (point-max) file-name t
- (if noattribute 'nomsg)))
- (or noattribute
- (if (equal major-mode 'rmail-mode)
- (rmail-set-attribute "filed" t)))
- (setq count (1- count))
- (or from-gnus
- (let ((next-message-p
- (if rmail-delete-after-output
- (rmail-delete-forward)
- (if (> count 0)
- (rmail-next-undeleted-message 1))))
- (num-appended (- orig-count count)))
- (if (and next-message-p original-headers-p)
- (rmail-toggle-header))
- (if (and (> count 0) (not next-message-p))
- (progn
- (error
- (save-excursion
- (set-buffer rmailbuf)
- (format "Only %d message%s appended" num-appended
- (if (= num-appended 1) "" "s"))))
- (setq count 0))))))
- (kill-buffer tembuf))))
-
- ;;; rmailout.el ends here
-