mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-23 07:19:15 +00:00
c96b208d6d
set-buffer to the Rmail buffer. (rmail-output-to-rmail-file): Likewise. (rmail-output): Likewise.
400 lines
14 KiB
EmacsLisp
400 lines
14 KiB
EmacsLisp
;;; rmailout.el --- "RMAIL" mail reader for Emacs: output message to a file.
|
|
|
|
;; Copyright (C) 1985, 1987, 1993, 1994, 2001 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)
|
|
(provide 'rmailout)
|
|
|
|
;;;###autoload
|
|
(defcustom 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."
|
|
:type '(repeat (cons regexp
|
|
(choice :value ""
|
|
(string :tag "File Name")
|
|
sexp)))
|
|
:group 'rmail-output)
|
|
|
|
(defun rmail-output-read-rmail-file-name ()
|
|
"Read the file name to use for `rmail-output-to-rmail-file'.
|
|
Set `rmail-default-rmail-file' to this name as well as returning it."
|
|
(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
|
|
(set-buffer rmail-buffer)
|
|
(goto-char (point-min))
|
|
(if (re-search-forward (car (car tail)) nil t)
|
|
(setq answer (eval (cdr (car tail)))))
|
|
(setq tail (cdr tail))))
|
|
;; If no suggestions, use same file as last time.
|
|
(expand-file-name (or answer rmail-default-rmail-file)))))
|
|
(let ((read-file
|
|
(expand-file-name
|
|
(read-file-name
|
|
(concat "Output message to Rmail file: (default "
|
|
(file-name-nondirectory default-file)
|
|
") ")
|
|
(file-name-directory default-file)
|
|
(abbreviate-file-name default-file))
|
|
(file-name-directory default-file))))
|
|
;; If the user enters just a directory,
|
|
;; use the name within that directory chosen by the default.
|
|
(setq rmail-default-rmail-file
|
|
(if (file-directory-p read-file)
|
|
(expand-file-name (file-name-nondirectory default-file)
|
|
read-file)
|
|
read-file)))))
|
|
|
|
(defun rmail-output-read-file-name ()
|
|
"Read the file name to use for `rmail-output'.
|
|
Set `rmail-default-file' to this name as well as returning it."
|
|
(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 no suggestion, use same file as last time.
|
|
(or answer rmail-default-file))))
|
|
(let ((read-file
|
|
(expand-file-name
|
|
(read-file-name
|
|
(concat "Output message to Unix mail file: (default "
|
|
(file-name-nondirectory default-file)
|
|
") ")
|
|
(file-name-directory default-file)
|
|
(abbreviate-file-name default-file))
|
|
(file-name-directory default-file))))
|
|
(setq rmail-default-file
|
|
(if (file-directory-p read-file)
|
|
(expand-file-name (file-name-nondirectory default-file)
|
|
read-file)
|
|
(expand-file-name
|
|
(or read-file (file-name-nondirectory default-file))
|
|
(file-name-directory default-file)))))))
|
|
|
|
;;; There are functions elsewhere in Emacs that use this function;
|
|
;;; look at them before you change the calling method.
|
|
;;;###autoload
|
|
(defun rmail-output-to-rmail-file (file-name &optional count stay)
|
|
"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 same way `rmail-output' does it.
|
|
|
|
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.
|
|
|
|
If optional argument STAY is non-nil, then leave the last filed
|
|
mesasge up instead of moving forward to the next non-deleted message."
|
|
(interactive
|
|
(list (rmail-output-read-rmail-file-name)
|
|
(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 (find-buffer-visiting 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)
|
|
(coding-system-for-write
|
|
(or rmail-file-coding-system
|
|
'emacs-mule-unix)))
|
|
(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
|
|
(set-buffer rmail-buffer)
|
|
;; 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 (find-buffer-visiting file-name))
|
|
(cur (current-buffer))
|
|
(beg (1+ (rmail-msgbeg rmail-current-message)))
|
|
(end (1+ (rmail-msgend rmail-current-message)))
|
|
(coding-system-for-write
|
|
(or rmail-file-coding-system
|
|
'emacs-mule-unix)))
|
|
(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
|
|
(unless
|
|
(if (and (= count 0) stay)
|
|
(rmail-delete-message)
|
|
(rmail-delete-forward))
|
|
(setq count 0))
|
|
(if (> count 0)
|
|
(unless
|
|
(if (not stay) (rmail-next-undeleted-message 1))
|
|
(setq count 0)))))))
|
|
|
|
;;;###autoload
|
|
(defcustom rmail-fields-not-to-output nil
|
|
"*Regexp describing fields to exclude when outputting a message to a file."
|
|
:type '(choice (const :tag "None" nil)
|
|
regexp)
|
|
:group 'rmail-output)
|
|
|
|
;; 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;
|
|
;;; look at them before you change the calling method.
|
|
;;;###autoload
|
|
(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
|
|
(list (rmail-output-read-file-name)
|
|
(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)
|
|
(set-buffer rmail-buffer)
|
|
(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 mime-version)
|
|
(while (> count 0)
|
|
;; Preserve the Mail-From and MIME-Version fields
|
|
;; even if they have been pruned.
|
|
(or from-gnus
|
|
(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))
|
|
(setq mail-from
|
|
(mail-fetch-field "Mail-From")
|
|
mime-version
|
|
(mail-fetch-field "MIME-Version")))))
|
|
(save-excursion
|
|
(set-buffer tembuf)
|
|
(erase-buffer)
|
|
(insert-buffer-substring rmailbuf)
|
|
(rmail-delete-unwanted-fields t)
|
|
(or (bolp) (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"))
|
|
(if mime-version
|
|
(insert "MIME-Version: " mime-version "\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))))
|
|
|
|
;;;###autoload
|
|
(defun rmail-output-body-to-file (file-name)
|
|
"Write this message body to the file FILE-NAME.
|
|
FILE-NAME defaults, interactively, from the Subject field of the message."
|
|
(interactive
|
|
(let ((default-file
|
|
(or (mail-fetch-field "Subject")
|
|
rmail-default-body-file)))
|
|
(list (setq rmail-default-body-file
|
|
(read-file-name
|
|
"Output message body to file: "
|
|
(and default-file (file-name-directory default-file))
|
|
default-file
|
|
nil default-file)))))
|
|
(setq file-name
|
|
(expand-file-name file-name
|
|
(and rmail-default-body-file
|
|
(file-name-directory rmail-default-body-file))))
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(search-forward "\n\n")
|
|
(and (file-exists-p file-name)
|
|
(not (y-or-n-p (message "File %s exists; overwrite? " file-name)))
|
|
(error "Operation aborted"))
|
|
(write-region (point) (point-max) file-name)
|
|
(if (equal major-mode 'rmail-mode)
|
|
(rmail-set-attribute "stored" t)))
|
|
(if rmail-delete-after-output
|
|
(rmail-delete-forward)))
|
|
|
|
;;; rmailout.el ends here
|