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;;;
;;; cmail-digest.el -
;;;
;;; $Author: tmp $
;;; created at: Wed Oct 20 14:23:24 JST 1993
;;;
;;; Copyright (C) 1992-1996 Yukihiro Matsumoto.
;; This file is not part of GNU Emacs but obeys its copyright notice.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY. No author or distributor
;; accepts responsibility to anyone for the consequences of using it
;; or for whether it serves any particular purpose or works at all,
;; unless he says so in writing. Refer to the GNU Emacs General Public
;; License for full details.
;; Everyone is granted permission to copy, modify and redistribute
;; GNU Emacs, but only under the conditions described in the
;; GNU Emacs General Public License. A copy of this license is
;; supposed to have been given to you along with GNU Emacs so you
;; can know your rights and responsibilities. It should be in a
;; file named COPYING. Among other things, the copyright notice
;; and this notice must be preserved on all copies.
(defvar cmail-delete-after-bursting t
"*non nil$B$N;~(Bdigest$B$rE83+$7$?8e(B, $B85%a%$%k$r:o=|$9$k(B.
$BE83+@h$,2>A[%U%)%k%@$G$"$l$P:o=|$7$J$$(B.")
(defvar cmail-burst-folder "/digest"
"*$BE83+$7$?(Bdigest$B$rDI2C$9$k%U%)%k%@(B($B%G%U%)%k%H$O2>A[%U%)%k%@(B`/digest')")
;; $B>e5-$NJQ?t$r(B
;; (setq cmail-burst-folder cmail-inbox-folder)
;; $B$H$9$k$N$b0l$D$N<j$G$"$k(B. $B1?MQ$K$h$C$F;H$$J,$1$FM_$7$$(B.
(defvar cmail-burst-border "^-$\\|^-----"
"digest$B$N6h@Z$j$r<($9@55,I=8=(B. $B$3$l$GNI$$$N$@$m$&$+(B?")
(defun cmail-rfc934-char-stuff-region (start end)
(save-excursion
(goto-char start)
(while (and (< (point) end) (re-search-forward "^-" end t))
(replace-match "- -" t t))))
(defun cmail-rfc934-char-unstuff-region (start end)
(save-excursion
(goto-char start)
(while (and (< (point) end) (re-search-forward "^- " end t))
(replace-match "" t t)
(forward-char))))
(defun cmail-burst-digest (fp)
"digest$B$5$l$?%a%$%k$r8DJL$N%a%$%k$KJ,3d$9$k(B.
\\[universal-argument]$B$,M?$($i$l$?>l9g(B, $BDI2C$9$k%U%)%k%@$rF~NO$G$-$k(B.
$B%G%U%)%k%H$OJQ?t(Bcmail-burst-folder$B$G;XDj$5$l$?%U%)%k%@(B."
(interactive "P")
(let (burst-folder)
(setq burst-folder
(if fp
(cmail-complete-foldername "Append bursted mails to")
cmail-burst-folder))
(cmail-message-resource 'burst-digest-1)
(if (cmail-virtual-folder-p burst-folder)
(save-excursion
(cmail-kill-folder burst-folder t)))
(cmail-exec '(lambda (page) (cmail-burst-internal page burst-folder)))
(if (not (cmail-virtual-folder-p burst-folder))
(cmail-save-folder burst-folder))
(cmail-save-curpos)
(cmail-visit-folder burst-folder t)
(sit-for 0)
(cmail-message-resource 'burst-digest-2)))
(defun cmail-burst-internal (page folder)
"PAGE$B$N%a%$%k$r(BFOLDER$B$K%"%Z%s%I$9$k(B."
(let (inbuf beg end max next buf)
(setq inbuf (get-buffer-create *cmail-new-arrivals-buffer))
(set-buffer inbuf)
(erase-buffer)
(cmail-get-folder)
(cmail-n-page page)
(append-to-buffer inbuf (point) (cmail-page-max))
(set-buffer inbuf)
;; $B%X%C%@ItJ,$r(Bskip
(goto-char (point-min))
(setq max (point-max))
(if (and cmail-use-mime (featurep 'mmbuffer)
(= 0 (cmail-mime-burst-internal nil folder)))
(if (not (re-search-forward cmail-burst-border max t))
(cmail-error-resource 'burst-internal-1)
(forward-line 1)
(skip-chars-forward "\n")
(setq buf (get-buffer-create *cmail-arrived-mail-buffer))
(cmail-skip-From_)
(setq beg (point))
(while (re-search-forward cmail-burst-border max t)
(goto-char (match-beginning 0))
(setq next (point))
(skip-chars-backward "\n") ; skip back blank lines
(forward-char 1) ; save last newline
(setq end (point))
(set-buffer buf)
(widen)
(erase-buffer)
(cmail-insert-buffer-substring inbuf beg end)
(cmail-rfc934-char-unstuff-region (point-min) (point-max))
(goto-char (point-min))
(cmail-set-mail-status '("Unread") '("Active"))
(goto-char (point-max))
(insert *cmail-borderline)
(cmail-append-mail-to-folder buf folder)
(set-buffer inbuf)
(goto-char next)
(forward-line 1)
(skip-chars-forward "\n")
(setq beg (point)))))
(set-buffer *cmail-summary-buffer)
(and cmail-delete-after-bursting
(null (cmail-virtual-folder-p folder))
(save-excursion
(cmail-get-folder)
(setq *cmail-deleted t))
(cmail-put-mark page "D" "D"))))
(defun cmail-send-digest (&optional user)
"$B%a%$%k$N(Bdigest$B$rAw$k(B.
$B%+!<%=%k9T$N%a%$%k$K%^!<%/$,$D$$$F$$$l$P(B, $B%^!<%/$N$D$$$?%a%$%kA4$F$r(B,
$B$D$$$F$$$J$1$l$P%U%)%k%@Fb$NA4$F$N%a%$%k$r(Bdigest$B$9$k(B."
(interactive)
(let ((subject (cmail-format-resource1 'send-digest-1 cmail-current-folder))
(marked (save-excursion
(set-buffer *cmail-summary-buffer)
(beginning-of-line)
(looking-at "^[ +]*[0-9]+\\^")))
mbuf obuf)
(if marked
(progn
(set-buffer *cmail-summary-buffer)
(setq marked nil)
(goto-char (point-max))
(while (re-search-backward "^[ +]*[0-9]+\\^" (point-min) t)
(setq marked
(cons (save-excursion (cmail-get-page-number-from-summary))
marked)))))
(cmail-mail user subject 'forward)
(setq mbuf (get-buffer "*mail*"))
(cmail-message-resource 'send-digest-2)
(set-buffer mbuf)
(let ((point (save-excursion
(beginning-of-line)
(re-search-forward mail-header-separator nil t))))
(if (not point)
(beginning-of-line)
(goto-char point)
(while (and (search-forward "\n" nil 1)
(invisible-p (point)))
(next-visible-point (point)))))
(setq top (point))
(cmail-get-folder)
(setq obuf (current-buffer))
(if (and cmail-use-mime cmail-mime-forwarding)
(cmail-send-mime-digest-internal marked mbuf top obuf)
(cmail-send-digest-internal marked mbuf top obuf))
(cmail-select-buffer *cmail-mail-buffer)
(switch-to-buffer "*mail*")
(cmail-message-resource 'send-digest-3)))
(defun cmail-send-digest-internal (marked mbuf top obuf)
(let (beg end last)
(if marked
(while marked
(set-buffer obuf)
(cmail-n-page (car marked))
(cmail-skip-From_)
(setq beg (point))
(setq end (cmail-page-max))
(set-buffer mbuf)
(setq last (point))
(cmail-insert-buffer-substring obuf beg end)
(cmail-rfc934-char-stuff-region last (point))
(let ((code (detect-coding-region last (point))))
(if (listp code) (setq code (car code)))
(decode-coding-region last (point) code))
(save-restriction
(narrow-to-region last (point))
(run-hooks 'cmail-digest-prepare-hook))
(insert "\n------------------------------\n\n")
(setq marked (cdr marked)))
(cmail-n-page 1)
(setq beg (point))
(setq end (point-max))
(set-buffer mbuf)
(setq last (point))
(cmail-insert-buffer-substring obuf beg end)
(cmail-rfc934-char-stuff-region top (point))
(let ((code (detect-coding-region last (point))))
(if (listp code) (setq code (car code)))
(decode-coding-region last (point) code))
(goto-char top)
(while (re-search-forward *cmail-re-bdr nil t)
(replace-match "\n------------------------------\n" t nil)))
;; $B:G8e$N%;%Q%l!<%?$r>C$9(B.
(if marked (forward-line 1))
(setq end (point))
(forward-line -3)
(delete-region (point) end)
(insert "------- End of digest -------\n")
(goto-char top)
(insert "------- Start of digest -------\n")
(goto-char top)))
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