(require 'rmail)
(provide 'rmailout)
(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)
(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))))
(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))))
(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)
(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))))
(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)))))))
(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 COUNT says to output that many consecutive messages,
starting with the current one. Deleted messages are skipped and don't count.
If the optional argument STAY is non-nil, then leave the last filed
message 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)
(if (rmail-message-deleted-p rmail-current-message)
(progn (setq redelete t)
(rmail-set-attribute "deleted" nil)))
(save-restriction
(widen)
(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)
(if rmail-fields-not-to-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"))
(set-buffer buf)
(let ((buffer-read-only nil)
(msg (and (boundp 'rmail-current-message)
rmail-current-message)))
(if msg
(progn
(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))
(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)))))))
(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)
(defun rmail-delete-unwanted-fields (&optional not-rmail)
(if rmail-fields-not-to-output
(save-excursion
(goto-char (point-min))
(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)))))))))
(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 COUNT says to output that many consecutive messages,
starting with the current one. Deleted messages are skipped and don't count.
When called from lisp code, COUNT may be omitted and defaults to 1.
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 content-type)
(while (> count 0)
(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"))
(unless rmail-enable-mime
(setq mime-version (mail-fetch-field "MIME-Version")
content-type (mail-fetch-field "Content-type"))))))
(save-excursion
(set-buffer tembuf)
(erase-buffer)
(insert-buffer-substring rmailbuf)
(when rmail-enable-mime
(if original-headers-p
(delete-region (goto-char (point-min))
(if (search-forward "\n*** EOOH ***\n")
(match-end 0)))
(goto-char (point-min))
(forward-line 2)
(delete-region (point-min)(point))
(search-forward "\n*** EOOH ***\n")
(delete-region (match-beginning 0)
(if (search-forward "\n\n")
(1- (match-end 0)))))
(setq buffer-file-coding-system (or rmail-file-coding-system
'raw-text)))
(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"))
(when mime-version
(insert "MIME-Version: " mime-version)
(when content-type
(insert "\nContent-type: " content-type "\n")))
(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))))
(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 (format "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)))