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mew-edit.el
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mew-edit.el
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;;; mew-edit.el
;; Author: Kazu Yamamoto <Kazu@Mew.org>
;; Created: Nov 9, 1999
;;; Code:
(require 'mew)
(defun mew-decode-for-edit ()
"Decode a message without limitations.
Execute mew-dinfo-set before calling this."
;; See also mew-decode.
(mew-decode-syntax-clear)
(mew-xinfo-set-text-body t)
(mew-set-buffer-multibyte t)
(let ((mew-header-max-length nil)
(mew-header-max-depth nil))
(if (mew-debug 'decode)
(let ((debug-on-error t))
(setq mew-decode-syntax
(mew-decode-message (mew-decode-syntax-rfc822-head) 0)))
(condition-case nil
(setq mew-decode-syntax
(mew-decode-message (mew-decode-syntax-rfc822-head) 0))
(error
(error "MIME decoding error: %s" (mew-xinfo-get-decode-err)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Header mode
;;;
(defun mew-header-mode ()
"A major mode for composing a MIME message by editing its header only.
\\{mew-header-mode-map}"
(interactive)
(mew-draft-set-local-variables)
(setq major-mode 'mew-header-mode)
(use-local-map mew-header-mode-map)
(cd (expand-file-name mew-home))
(mew-header-setup-decoration)
(mew-draft-mode-name 'header)
(force-mode-line-update)
(mew-run-mode-hooks 'mew-header-mode-hook)
;; auto-fill-function is set by mew-header-mode-hook
(when auto-fill-function
(make-local-variable 'auto-fill-function)
(setq auto-fill-function 'mew-draft-auto-fill)))
(defmacro mew-summary-header-mode (fields &rest body)
;; (declare (indent 1))
`(mew-summary-msg-or-part
(mew-summary-display 'redisplay)
(mew-current-set-window-config)
(let* ((draft (mew-folder-new-message mew-draft-folder))
(attachdir (mew-attachdir draft))
(fid (mew-frame-id))
(fld (mew-current-get-fld fid))
(msg (mew-current-get-msg fid)))
(mew-summary-prepare-draft
(mew-draft-find-and-switch draft)
(mew-delete-directory-recursively attachdir)
,@body
(mew-header-mode)
;; (mew-header-set "\n") is enough. But highlighting delayed.
(mew-header-prepared)
(goto-char (point-min))
(end-of-line)
(mew-tinfo-set-hdr-file (mew-expand-msg fld msg))
(mew-tinfo-set-field-del ,fields)))))
(put 'mew-summary-header-mode 'lisp-indent-function 1)
(defun mew-summary-send-to-others ()
"Prepare Header mode so that this message is to be sent
other people by a header re-write."
(interactive)
(mew-summary-header-mode mew-field-delete-for-others
(let ((case (mew-tinfo-get-case)))
(mew-draft-header-insert mew-to: "")
(mew-draft-header-insert mew-cc: (mew-cc case))
(mew-draft-header-insert mew-from: (mew-from case))
(mew-draft-header-insert mew-fcc: (mew-fcc case))
(mew-draft-header-insert mew-bcc: (mew-bcc case))
(mew-draft-header-insert mew-dcc: (mew-dcc case))
(mew-draft-header-insert mew-organization: (mew-organization case)))))
(defun mew-summary-resend ()
"Prepare Header mode so that this message is to be forwarded
by a header re-write."
(interactive)
(mew-summary-header-mode mew-field-delete-for-resending
(let ((case (mew-tinfo-get-case)))
(mew-draft-header-insert mew-resent-to: "")
(mew-draft-header-insert mew-resent-cc: (mew-cc case))
(mew-draft-header-insert mew-resent-from: (mew-from case))
(mew-draft-header-insert mew-resent-fcc: (mew-fcc case))
(mew-draft-header-insert mew-resent-bcc: (mew-bcc case))
(mew-draft-header-insert mew-resent-dcc: (mew-dcc case)))))
(defun mew-header-process-message (action)
(if (not (file-readable-p (mew-tinfo-get-hdr-file)))
(message "No corresponding message!")
(if (mew-header-existp mew-newsgroups:)
(mew-header-nntp-process-message action)
(mew-header-smtp-process-message action))))
(defun mew-header-smtp-process-message (action)
(let* ((buf (current-buffer))
(case (mew-tinfo-get-case))
(pnm (mew-smtp-info-name case))
(queue (mew-queue-folder case))
sendit resentp fcc msg err)
(if (get-process pnm)
(message "Another message is being sent. Try later")
(mew-draft-remove-invalid-fields)
(goto-char (point-min))
(setq resentp (mew-draft-resent-p (mew-header-end)))
(setq fcc (mew-encode-ask-fcc resentp))
(if (and (eq action 'send) mew-ask-send)
(setq sendit (y-or-n-p "Really send this message? "))
(setq sendit t))
(when sendit
(mew-current-get-window-config)
(mew-redraw)
(save-excursion
(with-current-buffer buf
(mew-encode-make-backup)
(mew-header-clear)
;; the end of the header
(save-restriction
(narrow-to-region (point) (point))
(mew-frwlet mew-cs-text-for-read mew-cs-text-for-write
(mew-insert-file-contents (mew-tinfo-get-hdr-file)))
(goto-char (point-min))
(mew-header-goto-end)
(mew-header-set mew-header-separator)
(mew-header-delete-lines mew-field-delete-common)
(mew-header-delete-lines (mew-tinfo-get-field-del)))
(if (mew-smtp-encode pnm case resentp fcc nil nil 'header)
(let ((mdi (concat (buffer-file-name) mew-draft-info-suffix)))
(mew-delete-file mdi)
(setq msg (mew-smtp-queue case "from Draft mode"))
(mew-remove-buffer buf)
(if (eq action 'send)
(mew-smtp-send-message case queue (list msg))))
(setq err t))))
(if err
(progn
(mew-current-set-window-config)
(switch-to-buffer buf)
(delete-other-windows))
(if (and (eq action 'queue) mew-visit-queue-after-sending)
(mew-summary-visit-folder queue)))))))
(defun mew-header-nntp-process-message (action)
(let* ((buf (current-buffer))
(case (mew-tinfo-get-case))
(pnm (mew-nntp2-info-name case))
(postq (mew-postq-folder case))
sendit resentp fcc msg err)
(if (get-process pnm)
(message "Another message is being posted. Try later")
(mew-draft-remove-invalid-fields)
(goto-char (point-min))
(setq resentp (mew-draft-resent-p (mew-header-end)))
(setq fcc (mew-encode-ask-fcc resentp))
(if (and (eq action 'send) mew-ask-send)
(setq sendit (y-or-n-p "Really post this message? "))
(setq sendit t))
(when sendit
(mew-current-get-window-config)
(mew-redraw)
(save-excursion
(with-current-buffer buf
(mew-encode-make-backup)
(mew-header-clear)
;; the end of the header
(save-restriction
(narrow-to-region (point) (point))
(mew-frwlet mew-cs-text-for-read mew-cs-text-for-write
(mew-insert-file-contents (mew-tinfo-get-hdr-file)))
(goto-char (point-min))
(mew-header-goto-end)
(mew-header-set mew-header-separator)
(mew-header-delete-lines mew-field-delete-common)
(mew-header-delete-lines (mew-tinfo-get-field-del)))
(if (mew-nntp2-encode pnm case fcc nil nil 'header)
(let ((mdi (concat (buffer-file-name) mew-draft-info-suffix)))
(mew-delete-file mdi)
(setq msg (mew-nntp2-queue case "from Draft mode"))
(mew-remove-buffer buf)
(if (eq action 'send)
(mew-nntp2-send-message case postq (list msg))))
(setq err t))))
(if err
(progn
(mew-current-set-window-config)
(switch-to-buffer buf)
(delete-other-windows))
(if (and (eq action 'queue) mew-visit-queue-after-sending)
(mew-summary-visit-folder postq)))))))
(defun mew-header-make-message ()
"Compose a MIME message from the header and its body
then put it into a queue folder."
(interactive)
(mew-header-process-message 'queue))
(defun mew-header-send-message ()
"Compose a MIME message from the header and its body
then send it."
(interactive)
(mew-header-process-message 'send))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Saving
;;;
(defun mew-summary-save (&optional askcs)
"Save any parts. If the target is a message, you are asked which
you want to save, the entire message or its body. If the target is
a non-message part, the part is saved (with line delimiter conversion
if it is a text object). When executed with '\\[universal-argument]', coding-system for
a text object to be saved can be specified."
(interactive "P")
(mew-summary-msg-or-part
;; need to make a cache or a message buffer.
(mew-summary-toggle-disp-msg 'on)
(mew-summary-display)
(let* ((fld (mew-summary-folder-name))
(msg (mew-summary-message-number2))
(num (mew-syntax-number))
(nums (mew-syntax-number-to-nums num))
(cbuf (mew-cache-hit fld msg))
(alt (mew-cache-dinfo-get-use-alt cbuf))
(cache (or cbuf (mew-buffer-message)))
(syntax (mew-syntax-get-entry (mew-cache-decode-syntax cache) nums))
(action "Save")
PLUS1P limit have-hdrp bodyp beg end cdpl file ct ctl
doit append-p)
;; Due to mew-decode-broken, the filename may be changed.
;; So, save it here.
(and syntax (setq cdpl (mew-syntax-get-cdp syntax)))
(setq ctl (mew-syntax-get-ct syntax))
(setq file (mew-syntax-get-filename cdpl ctl))
;; First of all, we should determine which part the user want to
;; save due to the ambiguity.
;; "y" on Message/Rfc822
;; - msg/txt the entire msg or its body?
;; - msg/mul/txt the entire msg or its part 1?
;; We have to make use of mew-decode-syntax
;; in the cache buffer due to the PGP/MIME dilemma.
;; We need the correct LIMIT.
(if (mew-syntax-message-p syntax)
(let ((bodyname "the body") body bct plus1p)
(setq body (mew-syntax-get-part syntax))
(when (mew-syntax-multipart-p body)
(setq plus1p t)
(setq bodyname "the part 1 text")
(setq body (mew-syntax-get-entry body '(1))))
(setq bct (mew-syntax-get-value (mew-syntax-get-ct body) 'cap))
(if (mew-ct-textp bct)
(if (y-or-n-p (format "Save the entire message (y) or %s (n)? " bodyname))
(setq have-hdrp t)
(if plus1p
(setq nums (nconc nums '(1)))
(setq bodyp t))
(setq PLUS1P (mew-syntax-get-privacy body)))
(setq have-hdrp t))))
;; Now, let's analyze the message in the burst buffer.
;; This is lengthy, though, avoidable.
(setq limit (length nums))
(if (or PLUS1P bodyp) ;; VERY important for PGP/MIME
(setq limit (1+ limit)))
;;
(with-temp-buffer
(mew-insert-message fld msg mew-cs-text-for-read nil)
(mew-dinfo-set limit 'no-cs-conv t alt)
(mew-decode-for-edit)
;;
(setq syntax (mew-syntax-get-entry mew-decode-syntax nums))
(if bodyp (setq syntax (mew-syntax-get-part syntax)))
(setq beg (mew-syntax-get-begin syntax))
(if (mew-syntax-message-p syntax)
(setq end (mew-syntax-get-end (mew-syntax-get-part syntax)))
(setq end (mew-syntax-get-end syntax)))
(setq ctl (mew-syntax-get-ct syntax))
(setq cdpl (mew-syntax-get-cdp syntax))
(setq file (mew-syntax-get-filename cdpl ctl))
;;
(if (and mew-use-samba-encoding
file
(string-match mew-regex-nonascii file))
(setq file (mew-samba-encoding file)))
(setq file (mew-summary-input-file-name nil file))
(let ((dir (mew-parent-directory file)))
(if (and (not (file-exists-p dir))
(y-or-n-p (format "Make directory %s? " dir)))
(mew-make-directory dir)))
(if (not (file-exists-p file))
(setq doit t)
(if (null mew-file-append-p)
(setq action "Overwrite")
(setq action "Append")
(setq append-p t))
(if (y-or-n-p (format "File exists. %s it to %s? " action file))
(setq doit t)))
;;
(if (not doit)
(message "Did not save anything")
(let (linebasep fromcs tocs charset writecs)
(save-restriction
(narrow-to-region beg end)
(goto-char (point-min))
(setq ct (mew-syntax-get-value ctl 'cap))
;; Allow Message/Rfc822. It's user's risk.
(setq linebasep (or (mew-ct-textp ct) (mew-ct-linebasep ct)))
(if linebasep
(setq writecs mew-cs-text-for-write)
(setq writecs mew-cs-binary))
(when (and askcs linebasep)
(setq tocs (read-coding-system "Coding-system: "))
(if (mew-cs-raw-p tocs)
(setq writecs tocs tocs nil)))
(when have-hdrp
(goto-char (point-min))
(mew-header-delete-lines mew-field-delete-common)
(mew-header-delete-lines mew-field-delete-for-saving))
(when tocs
(setq charset (mew-syntax-get-param ctl "charset"))
(if charset (setq fromcs (mew-charset-to-cs charset)))
;; When saving an entire message or its body,
;; its charset is unknown since it is not analyzed.
;; So, we make use of mew-cs-autoconv.
(unless (mew-coding-system-p fromcs)
(error "Unknown coding system %s" (symbol-name fromcs)))
(unless (mew-coding-system-p tocs)
(error "Unknown coding system %s" (symbol-name tocs)))
(mew-cs-decode-region
(point-min) (point-max) (or fromcs mew-cs-autoconv))
(mew-cs-encode-region (point-min) (point-max) tocs))
(mew-frwlet mew-cs-dummy writecs
;; do not specify 'no-msg
(write-region (point-min) (point-max) file append-p)))))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Local cs
;;;
(defun mew-summary-convert-local-cs (&optional askcs)
"Convert the character set of body by using autoconv
according to a specified language.
If executed with '\\[universal-argument]', coding-system is asked."
(interactive "P")
(mew-summary-msg-or-part
;; need to make a cache or a message buffer.
(mew-summary-toggle-disp-msg 'on)
(mew-summary-display)
(let* ((fld (mew-summary-folder-name))
(msg (mew-summary-message-number2))
(num (mew-syntax-number))
(nums (mew-syntax-number-to-nums num))
(cbuf (mew-cache-hit fld msg))
(alt (mew-cache-dinfo-get-use-alt cbuf))
(cache (or cbuf (mew-buffer-message)))
(syntax (mew-syntax-get-entry (mew-cache-decode-syntax cache) nums))
(buf (generate-new-buffer mew-buffer-prefix))
(win (selected-window))
(orig-lang current-language-environment)
PLUS1P limit bodyp hbeg hend beg end start
lang prompt tocs cs-env)
(save-excursion
;; First of all, we should determine which part the user want to
;; save due to the ambiguity.
;; "y" on Message/Rfc822
;; - msg/txt the entire msg or its body?
;; - msg/mul/txt the entire msg or its part 1?
;; We have to make use of mew-decode-syntax
;; in the cache buffer due to the PGP/MIME dilemma.
;; We need the correct LIMIT.
(when (mew-syntax-message-p syntax)
(let (body plus1p)
(setq body (mew-syntax-get-part syntax))
(when (mew-syntax-multipart-p body)
(setq plus1p t)
(setq body (mew-syntax-get-entry body '(1))))
(if plus1p
(setq nums (nconc nums '(1)))
(setq bodyp t))
(setq PLUS1P (mew-syntax-get-privacy body))))
;; Now, let's analyze the message in the burst buffer.
;; This is lengthy, though, avoidable.
(setq limit (length nums))
(if (or PLUS1P bodyp) ;; VERY important for PGP/MIME
(setq limit (1+ limit)))
;;
(set-buffer buf)
(mew-erase-buffer)
(mew-insert-message fld msg mew-cs-text-for-read nil)
;;
(cond
(askcs
(setq prompt
(format "Coding-system (autoconv for %s): " orig-lang))
(setq tocs (or (read-coding-system prompt) mew-cs-autoconv)))
(t
(setq tocs mew-cs-autoconv)
(setq prompt (format "Language (%s): " orig-lang))
(setq lang (read-language-name nil prompt orig-lang))
(setq cs-env (mew-set-language-environment-coding-systems lang))))
(mew-dinfo-set limit 'no-cs-conv t alt)
(mew-decode-for-edit)
;;
(setq syntax (mew-syntax-get-entry mew-decode-syntax nums))
(when bodyp
(setq hbeg (mew-syntax-get-begin syntax))
(setq hend (mew-syntax-get-end syntax))
(setq syntax (mew-syntax-get-part syntax)))
(setq beg (mew-syntax-get-begin syntax))
(setq end (mew-syntax-get-end syntax))
;;
(set-buffer (mew-buffer-message))
(select-window (get-buffer-window (current-buffer)))
(widen)
(mew-elet
(delete-region (point-min) (point-max))
(when bodyp
;; This must be "insert-buffer-substring".
(insert-buffer-substring buf hbeg hend)
(mew-header-arrange (point-min) (point-max)))
(setq start (point))
(save-excursion
(mew-insert-buffer-substring buf beg end)
(mew-cs-decode-region start (point-max) tocs)
(mew-highlight-body-region start (point-max)))
;; Page breaks
(when mew-break-pages
(goto-char (point-min))
(mew-message-narrow-to-page))
(when (and (not askcs) cs-env)
(mew-reset-coding-systems (car cs-env) (cdr cs-env))))
(mew-summary-display-postscript 'no-hook)
(select-window win))
(mew-remove-buffer buf))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Burst
;;;
(defvar mew-burst-last-folder nil)
(defun mew-input-burst-folder ()
(let (default)
(if (and mew-use-burst-folder-history mew-burst-last-folder)
(setq default mew-burst-last-folder)
(setq default (mew-inbox-folder))) ;; local folder
(setq mew-burst-last-folder (mew-input-local-folder default))
mew-burst-last-folder))
(defun mew-summary-burst-part (part folder newmsg &optional num)
(let (n len nums entry file)
(setq n 1)
(cond
(num
(setq nums (mew-syntax-number-to-nums num))
(setq len 1))
(t
(setq nums (list n))
(setq len (- (length part) mew-syntax-magic))))
(while (<= n len)
(setq entry (mew-syntax-get-entry part nums))
(cond
((mew-syntax-multipart-p entry)
(setq newmsg (mew-summary-burst-part entry folder newmsg)))
((string= (mew-syntax-get-value (mew-syntax-get-ct entry) 'cap)
mew-ct-msg)
(setq file (mew-expand-new-msg folder (number-to-string newmsg)))
(mew-frwlet mew-cs-dummy mew-cs-text-for-write
(write-region
(mew-syntax-get-begin entry)
;; This is RFC 822 message.
;; So, body is a single text/plain.
(mew-syntax-get-end (mew-syntax-get-part entry))
file nil 'no-msg))
(mew-set-file-modes file)
(setq newmsg (1+ newmsg))))
(setq n (1+ n))
(setq nums (list n)))
newmsg))
(defun mew-summary-burst-body (fld msg folder &optional num)
(let (ret errmsg mstr m)
(with-temp-buffer
(mew-insert-message fld msg mew-cs-text-for-read nil)
(mew-dinfo-set 1 nil nil nil)
(mew-decode-for-edit)
(cond
((not (mew-syntax-multipart-p (mew-syntax-get-part mew-decode-syntax)))
(message "Cannot burst"))
((not (setq mstr (mew-folder-new-message folder 'num-only)))
(setq errmsg (format "Error in %s. Nothing was processed" folder)))
(t
(setq m (mew-summary-burst-part (mew-syntax-get-part mew-decode-syntax)
folder (string-to-number mstr) num))
(if (= m (string-to-number mstr))
(message "Nothing was processed")
(mew-touch-folder folder)
(setq ret (list mstr (number-to-string (1- m)))))))
(if errmsg (error "%s" errmsg))
ret)))
(defun mew-summary-burst-files (fld msg dir)
(with-temp-buffer
(let (cnt syntax len stx ctl ct)
(mew-insert-message fld msg mew-cs-text-for-read nil)
;; must be a message, not a part, so limit is nil
(mew-dinfo-set nil 'no-cs-conv t nil)
(mew-decode-for-edit)
(setq syntax (mew-syntax-get-part mew-decode-syntax))
(if (mew-syntax-singlepart-p syntax)
(progn
(mew-syntax-set-cdp syntax (mew-syntax-cdp-format mew-ct-txt mew-draft-coverpage))
(mew-d2e-singlepart syntax dir))
(setq cnt mew-syntax-magic)
(setq len (length syntax))
(while (< cnt len)
(setq stx (aref syntax cnt))
(setq ctl (mew-syntax-get-ct stx))
(setq ct (mew-syntax-get-value ctl 'cap))
(cond
((string= mew-ct-msg ct)
(mew-d2e-message stx dir))
((mew-ct-multipartp ct)
(mew-d2e-multipart stx (mew-random-filename dir 1 nil)))
(t
(if (= cnt mew-syntax-magic)
(mew-syntax-set-cdp stx (mew-syntax-cdp-format mew-ct-txt mew-draft-coverpage)))
(mew-d2e-singlepart stx dir)))
(setq cnt (1+ cnt)))))))
(defun mew-summary-burst (&optional arg)
"Decompose messages embedded in this message.
You are asked a folder for the decomposition.
If executed on a part, only the message part is saved to
a folder which you specify.
If called with '\\[universal-argument]', any files in this message
are decomposed. You are asked a new directory name for the decomposition."
(interactive "P")
(mew-summary-msg-or-part
(let ((fld (mew-summary-folder-name))
(msg (mew-summary-message-number2))
(num (mew-syntax-number))
folder dir ret)
(cond
(arg ;; file decomposition
(setq dir (read-file-name "New directory: " mew-home))
(while (file-exists-p dir)
(setq dir (read-file-name (format "\"%s\" exists. New directory: " dir) mew-home)))
(mew-make-directory dir)
(message "Bursting...")
(mew-summary-burst-files fld msg dir)
(message "Bursting...done"))
(t
(setq folder (mew-input-burst-folder))
(when (and folder (mew-local-folder-check folder 'ask))
(message "Bursting...")
(setq ret (mew-summary-burst-body fld msg folder num))
(when ret
(message "Bursting...done")
(when mew-ask-folder-after-burst
(if (y-or-n-p (format "Go to %s? " folder))
(mew-summary-visit-folder folder 'goend)))
(message "Messages from %s to %s were extracted in %s"
(nth 0 ret) (nth 1 ret) folder))))))))
(defun mew-summary-burst-multi ()
"Decompose messages embedded in the messages marked with '*'."
(interactive)
(mew-summary-multi-msgs
(let ((folder (mew-input-burst-folder))
(targets FLD-MSG-LIST))
(when (and folder (mew-local-folder-check folder 'ask))
(message "Bursting...")
(dolist (target targets)
(mew-summary-burst-body (car target) (cdr target) folder))
(message "Bursting...done")
(when mew-ask-folder-after-burst
(if (y-or-n-p (format "Go to %s? " folder))
(mew-summary-visit-folder folder 'goend)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Old burst
;;;
(defun mew-summary-old-burst ()
"Decompose old-fashioned encapsulated messages."
(interactive)
(mew-summary-msg
(let ((fld (mew-summary-folder-name))
(msg (mew-summary-message-number))
(sep1 (make-string 70 ?-))
(sep2 (make-string 30 ?-))
(folder (mew-input-burst-folder))
start mstr m done)
(with-temp-buffer
(mew-insert-message fld msg mew-cs-text-for-read nil)
(mew-set-buffer-multibyte t)
(if (not (re-search-forward sep1 nil t))
(message "Cannot burst this message")
(message "Bursting...")
(forward-line 2)
(setq start (point))
(setq mstr (mew-folder-new-message folder 'num-only))
(setq m (string-to-number mstr))
(while (re-search-forward sep2 nil t)
(save-excursion
(beginning-of-line)
(save-restriction
(narrow-to-region start (1- (point)))
(goto-char (point-min))
(while (re-search-forward "^- " nil t)
(replace-match "" nil t))
(mew-frwlet mew-cs-dummy mew-cs-text-for-write
(write-region (point-min) (point-max)
(mew-expand-new-msg folder mstr)
nil 'no-msg))))
(forward-line 2)
(setq start (point))
(setq m (1+ m))
(setq mstr (number-to-string m)))
(message "Bursting...done")
(mew-touch-folder folder)
(setq done t)))
(when mew-ask-folder-after-burst
(if (and done (y-or-n-p (format "Go to %s? " folder)))
(mew-summary-visit-folder folder 'goend))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Re-editing
;;;
(defun mew-summary-reedit (&optional keep-hdr)
"Edit this message again to retry sending. Or edit this RFC822 part
typically included in a MIME-encapsulated error message.
1. In +draft, the message is just edited.
2. In +queue or +postq, the message is moved to +draft and is edited.
3. Otherwise, the message is copied to +draft and is edited.
For the other folders, if mew-case-guess-when-prepared is 't', each
fields of the original header is replaced according to a guessed
sending case. If called with '\\[universal-argument]', the original
header is reserved.
See also mew-summary-edit-again."
(interactive "P")
(mew-summary-msg-or-part
(let ((fld (mew-summary-folder-name))
(msg (mew-summary-message-number2))
(part (mew-syntax-nums))
draftname)
(cond
((string= fld mew-draft-folder)
(setq draftname (mew-path-to-folder (mew-expand-msg fld msg)))
(if (get-buffer draftname)
(progn
(mew-current-set-window-config) ;; xxx necessary?
(mew-window-configure 'draft)
(switch-to-buffer draftname))
(mew-summary-reedit-for-draft fld msg)
(run-hooks 'mew-draft-mode-reedit-draft-hook)))
((and (or (mew-folder-queuep fld) (mew-folder-postqp fld)) (null part))
(mew-summary-reedit-for-queue fld msg)
(run-hooks 'mew-draft-mode-reedit-queue-hook))
(t
(if part
(let* ((cache (mew-cache-hit fld msg 'must-hit))
(alt nil)
(syntax (mew-cache-decode-syntax cache))
(stx (mew-syntax-get-entry syntax part))
(ct (mew-syntax-get-value (mew-syntax-get-ct stx) 'cap)))
(if (not (string= mew-ct-msg ct))
(message "Cannot reedit here")
(mew-summary-reedit-for-message fld msg part keep-hdr alt)
(run-hooks 'mew-draft-mode-reedit-hook)))
(mew-summary-reedit-for-message fld msg nil keep-hdr nil)
(run-hooks 'mew-draft-mode-reedit-hook)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Header
;;;
(defun mew-summary-edit-header-common ()
(mew-header-delete-lines (list mew-x-mailer:))
(mew-header-goto-end)
;; X-Mailer: must be the last
(if (mew-use-x-mailer (mew-tinfo-get-case))
(mew-draft-header-insert mew-x-mailer: mew-x-mailer))
(mew-header-clear) ;; erase the old header separator
(mew-header-set "\n"))
(defun mew-summary-edit-header-for-draft ()
(mew-elet
(mew-summary-edit-header-common)))
(defun mew-summary-edit-header-for-queue (hdr)
(mew-elet
(mew-header-goto-end)
(delete-region (point-min) (point))
(insert hdr)
(mew-summary-edit-header-common)))
(defun mew-summary-edit-header-for-message (keep-hdr)
(mew-elet
(mew-header-delete-lines mew-field-delete-common)
(mew-header-delete-lines mew-field-delete-for-reediting)
(mew-header-sort mew-field-order-for-reediting)
(unless keep-hdr
(if mew-case-guess-when-prepared
(mew-draft-set-case-by-guess))
(mew-draft-replace-fields nil))
(mew-summary-edit-header-common)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Body
;;;
(defun mew-summary-reedit-for-draft (fld msg)
"Edit a message in the draft folder. Use the message as draft.
Note that the message is not a valid MIME message."
;; Message mode will be invalid so hide it.
(mew-mark-kill-line)
(set-buffer-modified-p nil)
;; Need to delete Message window because the target message will be
;; modified and its content will be changed.
(mew-window-configure 'summary)
(mew-current-set-window-config)
(mew-window-configure 'draft)
(mew-summary-prepare-draft
;; mew-cs-m17n
;; case is copied here
(mew-draft-find-and-switch (mew-expand-new-msg fld msg))
(mew-summary-edit-header-for-draft)
(mew-draft-mode)
(mew-draft-rehighlight-body)
(save-excursion
(when (and (mew-encode-load-syntax) mew-encode-syntax)
(mew-encode-syntax-delete 'all)
(mew-draft-prepare-attachments t)))
(mew-draft-mode-name)))
(defun mew-summary-reedit-for-queue (fld msg)
"Edit a message in a folder other than the draft folder.
The message is assumed to be a valid MIME message."
;; Message mode will be invalid so hide it.
(mew-decode-syntax-delete)
(mew-mark-kill-line)
(set-buffer-modified-p nil)
;; Need to delete Message window because the target message will be
;; modified and its content wiil be changed.
(mew-current-set-window-config)
(mew-window-configure 'draft)
;; main part
(mew-summary-prepare-draft
(mew-summary-edit-message fld msg nil nil)
(let* ((file (mew-expand-msg fld msg))
(work (concat file mew-queue-work-suffix))
(info (concat file mew-queue-info-suffix))
inf hdr)
(when (file-readable-p file)
(rename-file file work 'override)
(setq inf (mew-lisp-load info))
(cond
((mew-folder-queuep fld)
(setq hdr (mew-smtp-get-raw-header inf))
(mew-tinfo-set-case (mew-smtp-get-case inf)))
((mew-folder-postqp fld)
(setq hdr (mew-nntp2-get-raw-header inf))
(mew-tinfo-set-case (mew-nntp2-get-case inf))))
(mew-queue-backup work mew-queue-info-suffix)
(and hdr (mew-summary-edit-header-for-queue hdr))))
(mew-draft-mode)
(mew-draft-rehighlight-body)
(when mew-encode-syntax
(save-excursion
(mew-draft-prepare-attachments t)))
(mew-draft-mode-name)))
(defun mew-summary-reedit-for-message (fld msg part keep-hdr alt)
"Edit a message in a folder other than the draft folder.
The message is assumed to be a valid MIME message."
(mew-current-set-window-config)
(mew-window-configure 'draft)
;; main part
(mew-summary-prepare-draft
;; case is copied here
(mew-summary-edit-message fld msg part alt)
;; get info before backup the original
(mew-summary-edit-header-for-message keep-hdr)
(mew-draft-mode)
(mew-draft-rehighlight-body)
(when mew-encode-syntax
(save-excursion
(mew-draft-prepare-attachments t)))
(mew-draft-mode-name)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Edit again
;;;
(defvar mew-summary-edit-again-regex
"----- Original message follows -----\\|----- Unsent message follows -----\\|--- Undelivered message follows ---\\|--- Below this line is a copy of the message.")
(defun mew-summary-edit-again ()
"Edit an old fashioned error message in which the original message
is encapsulated after strings defined in 'mew-summary-edit-again-regex'
An example is \"----- Original message follows -----\". See also
mew-summary-reedit."
(interactive)
(mew-summary-msg
(let* ((fld (mew-summary-folder-name))
(msg (mew-summary-message-number))
(nfld mew-temp-dir)
(nmsg (mew-folder-new-message nfld 'num-only))
nfile)
(with-temp-buffer
;; First, let's remove garbage and make a valid message
;; into a file.
(mew-insert-message fld msg mew-cs-text-for-read nil)
(mew-set-buffer-multibyte t)
(goto-char (point-min))
(if (not (re-search-forward mew-summary-edit-again-regex nil t))
(message "Cannot edit this message again")
(forward-line)
;; skip blank lines
(while (looking-at "^$") (forward-line))
(delete-region (point-min) (point))
(setq nfile (mew-expand-new-msg nfld nmsg))
(mew-frwlet mew-cs-dummy mew-cs-text-for-write
(write-region (point-min) (point-max) nfile nil 'no-msg))
;; A new message is stored in the temporary directory
(mew-summary-reedit-for-message nfld nmsg nil nil nil)
(run-hooks 'mew-draft-mode-edit-again-hook)
(mew-delete-file nfile))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Sub functions
;;;
(defun mew-ct-suffix (ct)
"Get an appropriate suffix from content type."
(let* ((base (mew-ctdb-regex (mew-ctdb-by-ct ct)))
(len (length base))
(ret (mew-make-string len))
(j 0) char)
(if (not (stringp base))
nil
(dotimes (i len)
(setq char (aref base i))
(if (or (char-equal char ?.)
(and (>= char ?a) (<= char ?z)))
(progn
(aset ret j char)
(setq j (1+ j)))))
(setq ret (substring ret 0 j))
(if (string-match "^\\.[a-z]+$" ret)
ret
nil))))
(defun mew-summary-edit-message (fld msg part alt)
"Prepare a header and a body, optionally attachments."
(let* ((draft (mew-folder-new-message mew-draft-folder))
(attachdir (mew-attachdir draft))
(buf (generate-new-buffer mew-buffer-prefix))
syntax hbeg hend beg end len cnt stx ctl ct charset start cs)
;; prepare draft file
(mew-draft-find-and-switch draft)
(mew-delete-directory-recursively attachdir)
;; De-compose the message in the burst buffer.
;; do not decode Message/Rfc822 parts.
;; They will be just a attachment message.
(with-current-buffer buf
;; Let's decode the message without limitations
(mew-erase-buffer)
(mew-insert-message fld msg mew-cs-text-for-read nil)
(mew-dinfo-set (1+ (length part)) 'no-cs-conv t alt 'encap-html)
(mew-decode-for-edit)
(setq syntax (mew-syntax-get-entry mew-decode-syntax part))
;; syntax is now for the message
(setq hbeg (mew-syntax-get-begin syntax))
(setq hend (mew-syntax-get-end syntax))
;; Outer 'message is not necessary for mew-encoding-syntax
;; syntax is now for the multipart
(setq syntax (mew-syntax-get-part syntax))
(if (mew-syntax-singlepart-p syntax)
(progn
(setq beg (mew-syntax-get-begin syntax))
(setq end (mew-syntax-get-end syntax))
(setq ctl (mew-syntax-get-ct syntax))
(setq charset (mew-syntax-get-param ctl "charset"))
(setq syntax nil))
;; Let's store each part
(setq cnt mew-syntax-magic)
(unless (string= mew-ct-txt
(mew-syntax-get-value
(mew-syntax-get-ct (aref syntax cnt)) 'cap))
(setq syntax (mew-syntax-insert-entry
syntax '(1) (mew-encode-syntax-text))))
(setq len (length syntax))
(mew-make-directory attachdir)
(while (< cnt len)
(setq stx (aref syntax cnt))
(setq ctl (mew-syntax-get-ct stx))
(setq ct (mew-syntax-get-value ctl 'cap))
(cond
((string= mew-ct-msg ct)
(mew-d2e-message stx attachdir))
((mew-ct-multipartp ct)
(mew-d2e-multipart stx (mew-random-filename attachdir 1 nil)))
(t
(if (/= cnt mew-syntax-magic)
(mew-d2e-singlepart stx attachdir)
(setq beg (mew-syntax-get-begin stx))
(setq end (mew-syntax-get-end stx))
(setq charset (mew-syntax-get-param ctl "charset"))
(mew-delete "charset" ctl)
(mew-syntax-set-file stx mew-draft-coverpage)
(mew-syntax-set-decrypters stx nil))))
(setq cnt (1+ cnt)))
(mew-syntax-set-file
syntax
(file-name-as-directory (file-name-nondirectory attachdir)))
(mew-syntax-set-decrypters syntax nil)
(mew-syntax-set-privacy syntax nil)
(mew-syntax-set-ct syntax mew-type-mlm)
(mew-syntax-set-cte syntax nil)
(mew-syntax-set-cd syntax nil)
(mew-syntax-set-cid syntax nil)
(mew-syntax-set-cdp syntax nil)))
;; draft buffer
;; header
(mew-insert-buffer-substring buf hbeg hend)
(insert "\n")
;; coverpage
(setq start (point))
;; The first part may not be Text/Plain.
(if (and beg end) (mew-insert-buffer-substring buf beg end))
(if (or (null charset) (string= charset mew-us-ascii))
(setq cs mew-cs-autoconv) ;; for RFC822
(setq cs (mew-charset-to-cs charset)))
(unless (mew-coding-system-p cs)
(error "Unknown coding system %s" (symbol-name cs)))
(mew-cs-decode-region start (point-max) cs)
(setq mew-encode-syntax syntax)
(mew-remove-buffer buf)))
(defun mew-d2e-singlepart (syntax dir)
"De-compose singlepart"
(let* ((ctl (mew-syntax-get-ct syntax))
(ct (mew-syntax-get-value ctl 'cap))
(cdpl (mew-syntax-get-cdp syntax))
(file (mew-syntax-get-filename cdpl ctl))
(beg (mew-syntax-get-begin syntax))
(end (mew-syntax-get-end syntax))
(linebasep (or (mew-ct-textp ct) (mew-ct-linebasep ct))))
(if (stringp file)
(setq file (expand-file-name file dir))
(setq file (mew-random-filename dir 2 nil (mew-ct-suffix ct)))
(mew-syntax-set-cdp syntax nil))
(mew-frwlet mew-cs-dummy (if linebasep mew-cs-text-for-write mew-cs-binary)
(write-region beg end file nil 'no-msg))
(if (and (mew-ct-textp ct) (mew-syntax-get-param ctl "charset"))
(mew-delete "charset" ctl)) ;; side effect
(mew-syntax-set-file syntax (file-name-nondirectory file))
(mew-syntax-set-decrypters syntax nil)
(mew-syntax-set-privacy syntax nil)
(mew-syntax-set-cid syntax nil)))
(defun mew-d2e-multipart (syntax dir)
"De-compose multipart"
(let ((len (length syntax))
(cnt mew-syntax-magic)
ct part)
(mew-make-directory dir)
(while (< cnt len)
(setq part (aref syntax cnt))
(setq ct (mew-syntax-get-value (mew-syntax-get-ct part) 'cap))