* wl-draft.el (wl-draft-send-mail-with-smtp): Catch quitting and
[elisp/wanderlust.git] / wl / wl-draft.el
1 ;;; wl-draft.el --- Message draft mode for Wanderlust.
2
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
5
6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
8 ;; Keywords: mail, net news
9
10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
11
12 ;; This program is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; any later version.
16 ;;
17 ;; This program is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 ;; GNU General Public License for more details.
21 ;;
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
26 ;;
27
28 ;;; Commentary:
29 ;;
30
31 ;;; Code:
32 ;;
33
34 (require 'sendmail)
35 (require 'wl-template)
36 (require 'emu)
37 (condition-case nil (require 'timezone) (error nil))
38 (require 'std11)
39 (require 'wl-vars)
40
41 (defvar x-face-add-x-face-version-header)
42 (defvar mail-reply-buffer)
43 (defvar mail-from-style)
44
45 (eval-when-compile
46   (require 'elmo-pop3)
47   (defalias-maybe 'x-face-insert 'ignore)
48   (defalias-maybe 'x-face-insert-version-header 'ignore)
49   (defalias-maybe 'wl-init 'ignore)
50   (defalias-maybe 'wl-draft-mode 'ignore))
51
52 (eval-and-compile
53   (autoload 'wl-addrmgr "wl-addrmgr"))
54
55 (defvar wl-draft-buf-name "Draft")
56 (defvar wl-draft-buffer-file-name nil)
57 (defvar wl-draft-field-completion-list nil)
58 (defvar wl-draft-verbose-send t)
59 (defvar wl-draft-verbose-msg nil)
60 (defvar wl-draft-queue-flushing nil)
61 (defvar wl-draft-config-variables nil)
62 (defvar wl-draft-config-exec-flag t)
63 (defvar wl-draft-buffer-cur-summary-buffer nil)
64 (defvar wl-draft-clone-local-variable-regexp "^\\(wl\\|mime\\)")
65 (defvar wl-draft-sendlog-filename "sendlog")
66 (defvar wl-draft-queue-save-filename "qinfo")
67 (defvar wl-draft-config-save-filename "config")
68 (defvar wl-draft-queue-flush-send-function 'wl-draft-dispatch-message)
69 (defvar wl-sent-message-via nil)
70 (defvar wl-sent-message-modified nil)
71 (defvar wl-sent-message-queued nil)
72 (defvar wl-draft-fcc-list nil)
73 (defvar wl-draft-reedit nil)
74 (defvar wl-draft-reply-buffer nil)
75 (defvar wl-draft-forward nil)
76 (defvar wl-draft-doing-mime-bcc nil)
77
78 (defvar wl-draft-parent-folder nil
79   "Folder name of the summary in which current draft is invoked.
80 This variable is local in each draft buffer.
81 You can refer its value in `wl-draft-config-alist'.
82
83 e.g.
84 \(setq wl-draft-config-alist
85       '(((string-match \".*@domain1$\" wl-draft-parent-folder)
86          (\"From\" . \"user@domain1\"))
87         ((string-match \".*@domain2$\" wl-draft-parent-folder)
88          (\"From\" . \"user@domain2\"))))")
89
90 (defvar wl-draft-config-sub-func-alist
91   '((body               . wl-draft-config-sub-body)
92     (top                . wl-draft-config-sub-top)
93     (bottom             . wl-draft-config-sub-bottom)
94     (header             . wl-draft-config-sub-header)
95     (header-top         . wl-draft-config-sub-header-top)
96     (header-bottom      . wl-draft-config-sub-header)
97     (part-top           . wl-draft-config-sub-part-top)
98     (part-bottom        . wl-draft-config-sub-part-bottom)
99     (body-file          . wl-draft-config-sub-body-file)
100     (top-file           . wl-draft-config-sub-top-file)
101     (bottom-file        . wl-draft-config-sub-bottom-file)
102     (header-file        . wl-draft-config-sub-header-file)
103     (template           . wl-draft-config-sub-template)
104     (x-face             . wl-draft-config-sub-x-face)))
105
106 (make-variable-buffer-local 'wl-draft-buffer-file-name)
107 (make-variable-buffer-local 'wl-draft-buffer-cur-summary-buffer)
108 (make-variable-buffer-local 'wl-draft-config-variables)
109 (make-variable-buffer-local 'wl-draft-config-exec-flag)
110 (make-variable-buffer-local 'wl-sent-message-via)
111 (make-variable-buffer-local 'wl-sent-message-queued)
112 (make-variable-buffer-local 'wl-draft-fcc-list)
113 (make-variable-buffer-local 'wl-draft-reply-buffer)
114 (make-variable-buffer-local 'wl-draft-parent-folder)
115
116 (defsubst wl-smtp-password-key (user mechanism server)
117   (format "SMTP:%s/%s@%s"
118           user mechanism server))
119
120 (defmacro wl-smtp-extension-bind (&rest body)
121   (` (let* ((smtp-sasl-mechanisms
122              (if wl-smtp-authenticate-type
123                  (mapcar 'upcase
124                          (if (listp wl-smtp-authenticate-type)
125                              wl-smtp-authenticate-type
126                            (list wl-smtp-authenticate-type)))))
127             (smtp-use-sasl (and smtp-sasl-mechanisms t))
128             (smtp-use-starttls (eq wl-smtp-connection-type 'starttls))
129             smtp-sasl-user-name smtp-sasl-properties sasl-read-passphrase)
130        (if (and (string= (car smtp-sasl-mechanisms) "DIGEST-MD5")
131                 ;; sendmail bug?
132                 (string-match "^\\([^@]*\\)@\\([^@]*\\)"
133                               wl-smtp-posting-user))
134            (setq smtp-sasl-user-name (match-string 1 wl-smtp-posting-user)
135                  smtp-sasl-properties (list 'realm
136                                             (match-string 2 wl-smtp-posting-user)))
137          (setq smtp-sasl-user-name wl-smtp-posting-user
138                smtp-sasl-properties nil))
139        (setq sasl-read-passphrase
140              (function
141               (lambda (prompt)
142                 (elmo-get-passwd
143                  (wl-smtp-password-key
144                   smtp-sasl-user-name
145                   (car smtp-sasl-mechanisms)
146                   smtp-server)))))
147        (,@ body))))
148
149 (defun wl-draft-insert-date-field ()
150   "Insert Date field."
151   (insert "Date: " (wl-make-date-string) "\n"))
152
153 (defun wl-draft-insert-from-field ()
154   "Insert From field."
155   ;; Put the "From:" field in unless for some odd reason
156   ;; they put one in themselves.
157   (let* ((login (or user-mail-address (user-login-name)))
158          (fullname (user-full-name)))
159     (cond ((eq mail-from-style 'angles)
160            (insert "From: " fullname)
161            (let ((fullname-start (+ (point-min) (length "From: ")))
162                  (fullname-end (point-marker)))
163              (goto-char fullname-start)
164              ;; Look for a character that cannot appear unquoted
165              ;; according to RFC 822.
166              (if (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]"
167                                     fullname-end 1)
168                  (progn
169                    ;; Quote fullname, escaping specials.
170                    (goto-char fullname-start)
171                    (insert "\"")
172                    (while (re-search-forward "[\"\\]"
173                                              fullname-end 1)
174                      (replace-match "\\\\\\&" t))
175                    (insert "\""))))
176            (insert " <" login ">\n"))
177           ((eq mail-from-style 'parens)
178            (insert "From: " login " (")
179            (let ((fullname-start (point)))
180              (insert fullname)
181              (let ((fullname-end (point-marker)))
182                (goto-char fullname-start)
183                ;; RFC 822 says \ and nonmatching parentheses
184                ;; must be escaped in comments.
185                ;; Escape every instance of ()\ ...
186                (while (re-search-forward "[()\\]" fullname-end 1)
187                  (replace-match "\\\\\\&" t))
188                ;; ... then undo escaping of matching parentheses,
189                ;; including matching nested parentheses.
190                (goto-char fullname-start)
191                (while (re-search-forward
192                        "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
193                        fullname-end 1)
194                  (replace-match "\\1(\\3)" t)
195                  (goto-char fullname-start))))
196            (insert ")\n"))
197           ((not mail-from-style)
198            (insert "From: " login "\n")))))
199
200 (defun wl-draft-insert-x-face-field ()
201   "Insert X-Face header."
202   (interactive)
203   (if (not (file-exists-p wl-x-face-file))
204       (error "File %s does not exist" wl-x-face-file)
205     (goto-char (point-min))
206     (search-forward mail-header-separator nil t)
207     (beginning-of-line)
208     (wl-draft-insert-x-face-field-here)
209     (run-hooks 'wl-draft-insert-x-face-field-hook))) ; highlight it if you want.
210
211 (defun wl-draft-insert-x-face-field-here ()
212   "Insert X-Face field at point."
213   (let ((x-face-string (elmo-get-file-string wl-x-face-file)))
214     (when (string-match "^\\(X-Face:\\)?[ \t\n]*" x-face-string)
215       (setq x-face-string (substring x-face-string (match-end 0))))
216     (insert "X-Face: " x-face-string))
217   (when (not (= (preceding-char) ?\n))  ; for chomped (choped) x-face-string
218     (insert ?\n))
219   ;; Insert X-Face-Version: field
220   (when (and (fboundp 'x-face-insert-version-header)
221              (boundp 'x-face-add-x-face-version-header)
222              x-face-add-x-face-version-header)
223     (x-face-insert-version-header)))
224
225 (defun wl-draft-setup ()
226   (let ((field wl-draft-fields)
227         cl)
228     (while field
229       (setq cl (append cl
230                        (list (cons (concat (car field) " ")
231                                    (concat (car field) " ")))))
232       (setq field (cdr field)))
233     (setq cl
234           (cons (cons (concat wl-draft-mime-bcc-field-name  ": ")
235                       (concat wl-draft-mime-bcc-field-name  ": "))
236                 cl))
237     (setq wl-draft-field-completion-list cl)
238     (setq wl-address-complete-header-regexp
239           (wl-regexp-opt
240            (append wl-address-complete-header-list
241                    (list (concat wl-draft-mime-bcc-field-name  ":")))))))
242
243 (defun wl-draft-make-mail-followup-to (recipients)
244   (if (elmo-list-member
245        (or wl-user-mail-address-list
246            (list (wl-address-header-extract-address wl-from)))
247        recipients)
248       (let ((rlist (elmo-list-delete
249                     (or wl-user-mail-address-list
250                         (list (wl-address-header-extract-address wl-from)))
251                     recipients
252                     (lambda (elem list)
253                       (elmo-delete-if
254                        (lambda (item) (string= (downcase elem)
255                                                (downcase item)))
256                        list)))))
257         (if (elmo-list-member rlist (mapcar 'downcase
258                                             wl-subscribed-mailing-list))
259             rlist
260           (append rlist (list (wl-address-header-extract-address
261                                wl-from)))))
262     recipients))
263
264 (defun wl-draft-delete-myself-from-cc (to cc)
265   (let ((myself (or wl-user-mail-address-list
266                     (list (wl-address-header-extract-address wl-from)))))
267     (cond (wl-draft-always-delete-myself ; always-delete option
268            (elmo-list-delete myself cc
269                              (lambda (elem list)
270                                (elmo-delete-if
271                                 (lambda (item) (string= (downcase elem)
272                                                         (downcase item)))
273                                 list))))
274           ((elmo-list-member (append to cc) ; subscribed mailing-list
275                              (mapcar 'downcase wl-subscribed-mailing-list))
276            (elmo-list-delete myself cc
277                              (lambda (elem list)
278                                (elmo-delete-if
279                                 (lambda (item) (string= (downcase elem)
280                                                         (downcase item)))
281                                 list))))
282           (t cc))))
283
284 (defun wl-draft-forward (original-subject summary-buf)
285   (let (references parent-folder)
286     (with-current-buffer summary-buf
287       (setq parent-folder (wl-summary-buffer-folder-name)))
288     (with-current-buffer (wl-message-get-original-buffer)
289       (setq references (nconc
290                         (std11-field-bodies '("References" "In-Reply-To"))
291                         (list (std11-field-body "Message-Id"))))
292       (setq references (delq nil references)
293             references (mapconcat 'identity references " ")
294             references (wl-draft-parse-msg-id-list-string references)
295             references (wl-delete-duplicates references)
296             references (when references
297                          (mapconcat 'identity references "\n\t"))))
298     (and wl-draft-use-frame
299          (get-buffer-window summary-buf)
300          (select-window (get-buffer-window summary-buf)))
301     (wl-draft (list (cons 'To "")
302                     (cons 'Subject
303                           (concat wl-forward-subject-prefix original-subject))
304                     (cons 'References references))
305               nil nil nil nil parent-folder))
306   (goto-char (point-max))
307   (wl-draft-insert-message)
308   (mail-position-on-field "To"))
309
310 (defun wl-draft-strip-subject-re (subject)
311   "Remove \"Re:\" from SUBJECT string. Shamelessly copied from Gnus."
312   (if (string-match wl-subject-prefix-regexp subject)
313       (substring subject (match-end 0))
314     subject))
315
316 (defun wl-draft-self-reply-p ()
317   "Return t when From address in the current message is user's self one or not."
318   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
319
320 (defun wl-draft-reply-list-symbol (with-arg)
321   "Return symbol `wl-draft-reply-*-argument-list' match condition.
322 Check WITH-ARG and From: field."
323   (if (wl-draft-self-reply-p)
324       (if with-arg
325           'wl-draft-reply-myself-with-argument-list
326         'wl-draft-reply-myself-without-argument-list)
327     (if with-arg
328         'wl-draft-reply-with-argument-list
329       'wl-draft-reply-without-argument-list)))
330
331 (defun wl-draft-reply (buf with-arg summary-buf)
332   "Reply to BUF buffer message.
333 Reply to author if WITH-ARG is non-nil."
334 ;;;(save-excursion
335   (let (r-list
336         to mail-followup-to cc subject in-reply-to references newsgroups
337         to-alist cc-alist decoder parent-folder)
338     (when (buffer-live-p summary-buf)
339       (with-current-buffer summary-buf
340         (setq parent-folder (wl-summary-buffer-folder-name))))
341     (set-buffer (or buf mime-mother-buffer))
342     (setq r-list (symbol-value (wl-draft-reply-list-symbol with-arg)))
343     (catch 'done
344       (while r-list
345         (when (let ((condition (car (car r-list))))
346                 (cond ((stringp condition)
347                        (std11-field-body condition))
348                       ((listp condition)
349                        (catch 'done
350                          (while condition
351                            (if (not (std11-field-body (car condition)))
352                                (throw 'done nil))
353                            (setq condition (cdr condition)))
354                          t))
355                       ((symbolp condition)
356                        (funcall condition))))
357           (let ((r-to-list (nth 0 (cdr (car r-list))))
358                 (r-cc-list (nth 1 (cdr (car r-list))))
359                 (r-ng-list (nth 2 (cdr (car r-list)))))
360             (when (and (member "Followup-To" r-ng-list)
361                        (string= (std11-field-body "Followup-To") "poster"))
362               (setq r-to-list (cons "From" r-to-list))
363               (setq r-ng-list (delete "Followup-To"
364                                       (copy-sequence r-ng-list))))
365             (if (and r-to-list (symbolp r-to-list))
366                 (setq to (wl-concat-list (funcall r-to-list) ","))
367               (setq to (wl-concat-list (cons to
368                                              (elmo-multiple-fields-body-list
369                                               r-to-list))
370                                        ",")))
371             (if (and r-cc-list (symbolp r-cc-list))
372                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
373               (setq cc (wl-concat-list (cons cc
374                                              (elmo-multiple-fields-body-list
375                                               r-cc-list))
376                                        ",")))
377             (if (and r-ng-list (symbolp r-ng-list))
378                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
379               (setq newsgroups (wl-concat-list (cons newsgroups
380                                                      (std11-field-bodies
381                                                       r-ng-list))
382                                                ","))))
383           (throw 'done nil))
384         (setq r-list (cdr r-list)))
385       (error "No match field: check your `%s'"
386              (symbol-name (wl-draft-reply-list-symbol with-arg))))
387     (setq subject (std11-field-body "Subject"))
388     (setq to (wl-parse-addresses to)
389           cc (wl-parse-addresses cc))
390     (with-temp-buffer                   ; to keep raw buffer unibyte.
391       (elmo-set-buffer-multibyte default-enable-multibyte-characters)
392       (setq decoder (mime-find-field-decoder 'Subject 'plain))
393       (setq subject (if (and subject decoder)
394                         (funcall decoder subject) subject))
395       (setq to-alist
396             (mapcar
397              (lambda (addr)
398                (setq decoder (mime-find-field-decoder 'To 'plain))
399                (cons (nth 1 (std11-extract-address-components addr))
400                      (if decoder (funcall decoder addr) addr)))
401              to))
402       (setq cc-alist
403             (mapcar
404              (lambda (addr)
405                (setq decoder (mime-find-field-decoder 'Cc 'plain))
406                (cons (nth 1 (std11-extract-address-components addr))
407                      (if decoder (funcall decoder addr) addr)))
408              cc)))
409     (and wl-reply-subject-prefix
410          (setq subject (concat wl-reply-subject-prefix
411                                (wl-draft-strip-subject-re
412                                 (or subject "")))))
413     (setq in-reply-to (std11-field-body "Message-Id"))
414     (setq references (nconc
415                       (std11-field-bodies '("References" "In-Reply-To"))
416                       (list in-reply-to)))
417     (setq to (delq nil (mapcar 'car to-alist)))
418     (setq cc (delq nil (mapcar 'car cc-alist)))
419     ;; if subscribed mailing list is contained in cc or to
420     ;; and myself is contained in cc,
421     ;; delete myself from cc.
422     (setq cc (wl-draft-delete-myself-from-cc to cc))
423     (when wl-insert-mail-followup-to
424       (setq mail-followup-to
425             (wl-draft-make-mail-followup-to (append to cc)))
426       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
427     (with-temp-buffer                   ; to keep raw buffer unibyte.
428       (elmo-set-buffer-multibyte default-enable-multibyte-characters)
429       (setq newsgroups (wl-parse newsgroups
430                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
431             newsgroups (wl-delete-duplicates newsgroups)
432             newsgroups
433             (if newsgroups
434                 (mapconcat
435                  (lambda (grp)
436                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
437                    (if decoder (funcall decoder grp) grp))
438                  newsgroups ","))))
439     (setq to (wl-delete-duplicates to nil t))
440     (setq cc (wl-delete-duplicates
441               (append (wl-delete-duplicates cc nil t)
442                       to (copy-sequence to))
443               t t))
444     (and to (setq to (mapconcat
445                       '(lambda (addr)
446                          (if wl-draft-reply-use-address-with-full-name
447                              (or (cdr (assoc addr to-alist)) addr)
448                            addr))
449                       to ",\n\t")))
450     (and cc (setq cc (mapconcat
451                       '(lambda (addr)
452                          (if wl-draft-reply-use-address-with-full-name
453                              (or (cdr (assoc addr cc-alist)) addr)
454                            addr))
455                       cc ",\n\t")))
456     (and mail-followup-to
457          (setq mail-followup-to
458                (mapconcat
459                 '(lambda (addr)
460                    (if wl-draft-reply-use-address-with-full-name
461                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
462                      addr))
463                 mail-followup-to ",\n\t")))
464     (and (null to) (setq to cc cc nil))
465     (setq references (delq nil references)
466           references (mapconcat 'identity references " ")
467           references (wl-draft-parse-msg-id-list-string references)
468           references (wl-delete-duplicates references)
469           references (if references
470                          (mapconcat 'identity references "\n\t")))
471     (and wl-draft-use-frame
472          (get-buffer-window summary-buf)
473          (select-window (get-buffer-window summary-buf)))
474     (wl-draft (list (cons 'To to)
475                     (cons 'Cc cc)
476                     (cons 'Newsgroups newsgroups)
477                     (cons 'Subject subject)
478                     (cons 'In-Reply-To in-reply-to)
479                     (cons 'References references)
480                     (cons 'Mail-Followup-To mail-followup-to))
481               nil nil nil nil parent-folder)
482     (setq wl-draft-reply-buffer buf))
483   (run-hooks 'wl-reply-hook))
484
485 (defun wl-draft-add-references ()
486   (wl-draft-add-in-reply-to "References"))
487
488 (defun wl-draft-add-in-reply-to (&optional alt-field)
489   (let* ((mes-id (save-excursion
490                    (set-buffer mail-reply-buffer)
491                    (std11-field-body "message-id")))
492          (field (or alt-field "In-Reply-To"))
493          (ref (std11-field-body field))
494          (ref-list nil) (st nil))
495     (when (and mes-id ref)
496       (while (string-match "<[^>]+>" ref st)
497         (setq ref-list
498               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
499                     ref-list)))
500       (when (and ref-list
501                  (member mes-id ref-list))
502         (setq mes-id nil)))
503     (when mes-id
504       (save-excursion
505         (when (mail-position-on-field field)
506           (forward-line)
507           (while (looking-at "^[ \t]")
508             (forward-line))
509           (setq mes-id (concat "\t" mes-id "\n")))
510         (insert mes-id))
511       t)))
512
513 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
514                                              &optional ignored-fields)
515   (interactive)
516   (save-restriction
517     (narrow-to-region (point)(point))
518     (insert
519      (with-current-buffer mail-reply-buffer
520        (when decode-it
521          (decode-mime-charset-region (point-min) (point-max)
522                                      wl-mime-charset))
523        (buffer-substring-no-properties
524         (point-min) (point-max))))
525     (when ignored-fields
526       (goto-char (point-min))
527       (wl-draft-delete-fields ignored-fields))
528     (goto-char (point-max))
529     (push-mark (point) nil t)
530     (goto-char (point-min)))
531   (let ((beg (point)))
532     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
533           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
534           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
535     (run-hooks 'wl-draft-cited-hook)
536     (when (if wl-draft-add-references
537               (wl-draft-add-references)
538             (if wl-draft-add-in-reply-to
539                 (wl-draft-add-in-reply-to)))
540       (wl-highlight-headers 'for-draft)) ; highlight when added References:
541     (when wl-highlight-body-too
542       (wl-highlight-body-region beg (point-max)))))
543
544 (defun wl-message-news-p ()
545   "If exist valid Newsgroups field, return non-nil."
546   (std11-field-body "Newsgroups"))
547
548 (defun wl-message-field-exists-p (field)
549   "If FIELD exist and FIELD value is not empty, return non-nil."
550   (let ((value (std11-field-body field)))
551     (and value
552          (not (string= value "")))))
553
554 (defun wl-message-mail-p ()
555   "If exist To, Cc or Bcc field, return non-nil."
556   (or (wl-message-field-exists-p "To")
557       (wl-message-field-exists-p "Resent-to")
558       (wl-message-field-exists-p "Cc")
559       (wl-message-field-exists-p "Bcc")
560       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
561 ;;; This may be needed..
562 ;;;   (wl-message-field-exists-p "Fcc")
563       ))
564
565 (defun wl-draft-edit-string (string)
566   (let ((cur-buf (current-buffer))
567         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
568         to subject in-reply-to cc references newsgroups mail-followup-to
569         content-type content-transfer-encoding from
570         body-beg)
571     (set-buffer tmp-buf)
572     (erase-buffer)
573     (insert string)
574     (setq to (std11-field-body "To"))
575     (setq to (and to
576                   (eword-decode-string
577                    (decode-mime-charset-string
578                     to
579                     wl-mime-charset))))
580     (setq subject (std11-field-body "Subject"))
581     (setq subject (and subject
582                        (eword-decode-string
583                         (decode-mime-charset-string
584                          subject
585                          wl-mime-charset))))
586     (setq from (std11-field-body "From")
587           from (and from
588                     (eword-decode-string
589                      (decode-mime-charset-string
590                       from
591                       wl-mime-charset))))
592     (setq in-reply-to (std11-field-body "In-Reply-To"))
593     (setq cc (std11-field-body "Cc"))
594     (setq cc (and cc
595                   (eword-decode-string
596                    (decode-mime-charset-string
597                     cc
598                     wl-mime-charset))))
599     (setq references (std11-field-body "References"))
600     (setq newsgroups (std11-field-body "Newsgroups"))
601     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
602     (setq content-type (std11-field-body "Content-Type"))
603     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
604     (goto-char (point-min))
605     (or (re-search-forward "\n\n" nil t)
606         (search-forward (concat mail-header-separator "\n") nil t))
607     (unwind-protect
608         (set-buffer
609          (wl-draft (list
610                     (cons 'From
611                           (if (member
612                                (nth 1 (std11-extract-address-components from))
613                                wl-user-mail-address-list)
614                               from))
615                     (cons 'To to)
616                     (cons 'Cc cc)
617                     (cons 'Subject subject)
618                     (cons 'Newsgroups newsgroups)
619                     (cons 'Mail-Followup-To mail-followup-to)
620                     (cons 'In-Reply-To in-reply-to)
621                     (cons 'References references))
622                    content-type content-transfer-encoding
623                    (buffer-substring (point) (point-max))
624                    'edit-again))
625       (and to (mail-position-on-field "To"))
626       (delete-other-windows)
627       (kill-buffer tmp-buf)))
628   (run-hooks 'wl-draft-reedit-hook))
629
630 (defun wl-draft-insert-current-message (dummy)
631   (interactive)
632   (let (original-buffer
633         mail-reply-buffer
634         mail-citation-hook mail-yank-hooks
635         wl-draft-add-references wl-draft-add-in-reply-to
636         wl-draft-cite-function)
637     (with-current-buffer wl-draft-buffer-cur-summary-buffer
638       (with-current-buffer wl-message-buffer
639         (setq original-buffer (wl-message-get-original-buffer))
640         (if (zerop
641              (with-current-buffer original-buffer
642                (buffer-size)))
643             (error "No current message"))))
644     (setq mail-reply-buffer original-buffer)
645     (wl-draft-yank-from-mail-reply-buffer
646      nil
647      wl-ignored-forwarded-headers)))
648
649 (defun wl-draft-insert-get-message (dummy)
650   (let ((fld (completing-read
651               "Folder name: "
652               (if (memq 'read-folder wl-use-folder-petname)
653                   (wl-folder-get-entity-with-petname)
654                 wl-folder-entity-hashtb)
655               nil nil wl-default-spec
656               'wl-read-folder-hist))
657         (number (call-interactively
658                  (function (lambda (num)
659                              (interactive "nNumber: ")
660                              num))))
661         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
662         mail-citation-hook mail-yank-hooks
663         wl-draft-cite-function)
664     (unwind-protect
665         (progn
666           (elmo-message-fetch (wl-folder-get-elmo-folder fld)
667                               number
668                               ;; No cache.
669                               (elmo-make-fetch-strategy 'entire)
670                               nil mail-reply-buffer)
671           (wl-draft-yank-from-mail-reply-buffer nil))
672       (kill-buffer mail-reply-buffer))))
673
674 ;;
675 ;; default body citation func
676 ;;
677 (defun wl-default-draft-cite ()
678   (let ((mail-yank-ignored-headers "[^:]+:")
679         (mail-yank-prefix "> ")
680         (summary-buf wl-current-summary-buffer)
681         (message-buf (get-buffer (wl-current-message-buffer)))
682         from date cite-title num entity)
683     (if (and summary-buf
684              (buffer-live-p summary-buf)
685              message-buf
686              (buffer-live-p message-buf))
687         (progn
688           (with-current-buffer summary-buf
689             (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
690               (setq num (save-excursion
691                           (set-buffer message-buf)
692                           wl-message-buffer-cur-number))
693               (setq entity (elmo-msgdb-overview-get-entity
694                             num (wl-summary-buffer-msgdb)))
695               (setq date (elmo-msgdb-overview-entity-get-date entity))
696               (setq from (elmo-msgdb-overview-entity-get-from entity))))
697           (setq cite-title (format "At %s,\n%s wrote:"
698                                    (or date "some time ago")
699                                    (if wl-default-draft-cite-decorate-author
700                                        (funcall wl-summary-from-function
701                                                 (or from "you"))
702                                      (or from "you"))))))
703     (and cite-title
704          (insert cite-title "\n"))
705     (mail-indent-citation)))
706
707 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
708 (defun wl-draft-yank-to-draft-buffer (buffer)
709   "Yank BUFFER content to `wl-draft-buffer'."
710   (set-buffer wl-draft-buffer)
711   (let ((mail-reply-buffer buffer))
712     (wl-draft-yank-from-mail-reply-buffer nil)
713     (kill-buffer buffer)))
714
715 (defun wl-draft-yank-original (&optional arg)
716   "Yank original message."
717   (interactive "P")
718   (if arg
719       (let (buf mail-reply-buffer)
720         (elmo-set-work-buf
721          (yank)
722          (setq buf (current-buffer)))
723         (setq mail-reply-buffer buf)
724         (wl-draft-yank-from-mail-reply-buffer nil))
725     (wl-draft-yank-current-message-entity)))
726
727 (defun wl-draft-hide (editing-buffer)
728   "Hide the editing draft buffer if possible."
729   (when (and editing-buffer
730              (buffer-live-p editing-buffer))
731     (set-buffer editing-buffer)
732     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
733           fld-buf sum-win fld-win)
734       (if (and wl-draft-use-frame
735                (> (length (visible-frame-list)) 1))
736           ;; hide draft frame
737           (delete-frame)
738         ;; hide draft window
739         (or (one-window-p)
740             (delete-window))
741         ;; stay folder window if required
742         (when wl-stay-folder-window
743           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
744               (if (setq fld-win (get-buffer-window fld-buf))
745                   (select-window fld-win)
746                 (if wl-draft-resume-folder-window ;; resume folder window
747                     (switch-to-buffer fld-buf)))))
748         (if (buffer-live-p sum-buf)
749             (if (setq sum-win (get-buffer-window sum-buf t))
750                 ;; if Summary is on the frame, select it.
751                 (select-window sum-win)
752               ;; if summary is not on the frame, switch to it.
753               (if (and wl-stay-folder-window
754                        (or wl-draft-resume-folder-window fld-win))
755                   (wl-folder-select-buffer sum-buf)
756                 (switch-to-buffer sum-buf))))))))
757
758 (defun wl-draft-delete (editing-buffer)
759   "Kill the editing draft buffer and delete the file corresponds to it."
760   (save-excursion
761     (when editing-buffer
762       (set-buffer editing-buffer)
763       (if wl-draft-buffer-file-name
764           (progn
765             (if (file-exists-p wl-draft-buffer-file-name)
766                 (delete-file wl-draft-buffer-file-name))
767             (let ((msg (and wl-draft-buffer-file-name
768                             (string-match "[0-9]+$" wl-draft-buffer-file-name)
769                             (string-to-int
770                              (match-string 0 wl-draft-buffer-file-name)))))
771               (wl-draft-config-info-operation msg 'delete))))
772       (set-buffer-modified-p nil)               ; force kill
773       (kill-buffer editing-buffer))))
774
775 (defun wl-draft-kill (&optional force-kill)
776   "Kill current draft buffer and quit editing."
777   (interactive "P")
778   (save-excursion
779     (when (and (or (eq major-mode 'wl-draft-mode)
780                    (eq major-mode 'mail-mode))
781                (or force-kill
782                    (y-or-n-p "Kill Current Draft? ")))
783       (let ((cur-buf (current-buffer)))
784         (wl-draft-hide cur-buf)
785         (wl-draft-delete cur-buf)))
786     (message "")))
787
788 (defun wl-draft-fcc ()
789   "Add a new Fcc field, with file name completion."
790   (interactive)
791   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
792       (mail-position-on-field "to"))
793   (insert "\nFcc: "))
794
795 ;; Imported from message.el.
796 (defun wl-draft-elide-region (b e)
797   "Elide the text in the region.
798 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
799 text was killed."
800   (interactive "r")
801   (kill-region b e)
802   (insert wl-draft-elide-ellipsis))
803
804 ;; Imported from message.el.
805 (defun wl-draft-beginning-of-line (&optional n)
806   "Move point to beginning of header value or to beginning of line."
807   (interactive "p")
808   (let ((zrs 'zmacs-region-stays))
809     (when (and (interactive-p) (boundp zrs))
810       (set zrs t)))
811   (if (wl-draft-point-in-header-p)
812       (let* ((here (point))
813              (bol (progn (beginning-of-line n) (point)))
814              (eol (line-end-position))
815              (eoh (and (looking-at "[^ \t]")
816                        (re-search-forward ": *" eol t))))
817         (if (and eoh (or (> here eoh) (= here bol)))
818             (goto-char eoh)
819           (goto-char bol)))
820     (beginning-of-line n)))
821
822 (defun wl-draft-point-in-header-p ()
823   "Return t if point is in the header."
824   (save-excursion
825     (let ((p (point)))
826       (goto-char (point-min))
827       (not (re-search-forward
828             (concat "^" (regexp-quote mail-header-separator) "\n")
829             p t)))))
830
831 ;; function for wl-sent-message-via
832
833 (defmacro wl-draft-sent-message-p (type)
834   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
835
836 (defmacro wl-draft-set-sent-message (type result &optional server-port)
837   (` (let ((element (assq (, type) wl-sent-message-via)))
838        (if element
839            (unless (eq (nth 1 element) (, result))
840              (setcdr element (list (, result) (, server-port)))
841              (setq wl-sent-message-modified t))
842          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
843          (setq wl-sent-message-modified t)))))
844
845 (defun wl-draft-sent-message-results ()
846   (let ((results wl-sent-message-via)
847         unplugged-via sent-via)
848     (while results
849       (cond ((eq (nth 1 (car results)) 'unplugged)
850              (push (caar results) unplugged-via))
851             ((eq (nth 1 (car results)) 'sent)
852              (push (caar results) sent-via)))
853       (setq results (cdr results)))
854     (list unplugged-via sent-via)))
855
856 (defun wl-draft-write-sendlog (status proto server to id)
857   "Write send log file, if `wl-draft-sendlog' is non-nil."
858   (when wl-draft-sendlog
859     (with-temp-buffer
860       (let* ((filename (expand-file-name wl-draft-sendlog-filename
861                                          elmo-msgdb-directory))
862              (filesize (nth 7 (file-attributes filename)))
863              (server (if server (concat " server=" server) ""))
864              (to (if to (cond
865                          ((memq proto '(fcc queue))
866                           (format " folder=\"%s\"" to))
867                          ((eq proto 'nntp)
868                           (format " ng=<%s>" to))
869                          (t
870                           (concat " to="
871                                   (mapconcat
872                                    'identity
873                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
874                                    ","))))
875                    ""))
876              (id (if id (concat " id=" id) ""))
877              (time (format-time-string "%Y/%m/%d %T")))
878         (insert (format "%s proto=%s stat=%s%s%s%s\n"
879                         time proto status server to id))
880         (if (and wl-draft-sendlog-max-size filesize
881                  (> filesize wl-draft-sendlog-max-size))
882             (rename-file filename (concat filename ".old") t))
883         (if (file-writable-p filename)
884             (write-region-as-binary (point-min) (point-max)
885                                     filename t 'no-msg)
886           (message "%s is not writable." filename))))))
887
888 (defun wl-draft-get-header-delimiter (&optional delete)
889   ;; If DELETE is non-nil, replace the header delimiter with a blank line
890   (let (delimline)
891     (goto-char (point-min))
892     (when (re-search-forward
893            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
894       (replace-match "")
895       (if delete
896           (forward-char -1))
897       (setq delimline (point-marker)))
898     delimline))
899
900 (defun wl-draft-send-mail-with-qmail ()
901   "Pass the prepared message buffer to qmail-inject.
902 Refer to the documentation for the variable `send-mail-function'
903 to find out how to use this."
904   (if (and wl-draft-qmail-send-plugged
905            (not (elmo-plugged-p)))
906       (wl-draft-set-sent-message 'mail 'unplugged)
907     ;; send the message
908     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
909     (let ((id (std11-field-body "Message-ID"))
910           (to (std11-field-body "To")))
911       (case
912           (as-binary-process
913            (apply
914             'call-process-region 1 (point-max) wl-qmail-inject-program
915             nil nil nil
916             wl-qmail-inject-args))
917         ;; qmail-inject doesn't say anything on it's stdout/stderr,
918         ;; we have to look at the retval instead
919         (0   (progn
920                (wl-draft-set-sent-message 'mail 'sent)
921                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
922         (1   (error "`qmail-inject' reported permanent failure"))
923         (111 (error "`qmail-inject' reported transient failure"))
924         ;; should never happen
925         (t   (error "`qmail-inject' reported unknown failure"))))))
926
927 (defun wl-draft-parse-msg-id-list-string (string)
928   "Get msg-id list from STRING."
929   (let (msg-id-list)
930     (dolist (parsed-id (std11-parse-msg-ids-string string))
931       (when (eq (car parsed-id) 'msg-id)
932         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
933                                 msg-id-list))))
934     (nreverse msg-id-list)))
935
936 (defun wl-draft-eword-encode-address-list (string &optional column)
937   "Encode header field STRING as list of address, and return the result.
938 Cause an error when STRING contains invalid address.
939 Optional argument COLUMN is start-position of the field."
940   (car (eword-encode-rword-list
941         (or column eword-encode-default-start-column)
942         (eword-encode-addresses-to-rword-list
943          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
944
945 (defun wl-draft-std11-parse-addresses (lal)
946   (let ((ret (std11-parse-address lal)))
947     (when (and (not (and (eq (length lal) 1)
948                          (eq (car (car lal)) 'spaces)))
949                (null ret))
950       (error "Error while parsing address"))
951     (if ret
952         (let ((dest (list (car ret))))
953           (setq lal (cdr ret))
954           (while (and (setq ret (std11-parse-ascii-token lal))
955                       (string-equal (cdr (assq 'specials (car ret))) ",")
956                       (setq ret (std11-parse-address (cdr ret)))
957                       )
958             (setq dest (cons (car ret) dest))
959             (setq lal (cdr ret)))
960           (while (eq 'spaces (car (car lal)))
961             (setq lal (cdr lal)))
962           (if lal (error "Error while parsing address"))
963           (nreverse dest)))))
964
965 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
966   "Get mailbox list of FIELD from current buffer.
967 The buffer is expected to be narrowed to just the headers of the message.
968 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
969 from current buffer."
970   (save-excursion
971     (let ((case-fold-search t)
972           (inhibit-read-only t)
973           addresses address
974           mailbox-list beg seq has-group-list)
975       (goto-char (point-min))
976       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
977                                 nil t)
978         (setq beg (point))
979         (re-search-forward "^[^ \t]" nil 'move)
980         (beginning-of-line)
981         (skip-chars-backward "\n")
982         (setq seq (std11-lexical-analyze
983                    (buffer-substring-no-properties beg (point))))
984         (setq addresses (wl-draft-std11-parse-addresses seq))
985         (while addresses
986           (cond ((eq (car (car addresses)) 'group)
987                  (setq has-group-list t)
988                  (setq mailbox-list
989                        (nconc mailbox-list
990                               (mapcar
991                                'std11-address-string
992                                (nth 2 (car addresses))))))
993                 ((eq (car (car addresses)) 'mailbox)
994                  (setq address (nth 1 (car addresses)))
995                  (setq mailbox-list
996                        (nconc mailbox-list
997                               (list
998                                (std11-addr-to-string
999                                 (if (eq (car address) 'phrase-route-addr)
1000                                     (nth 2 address)
1001                                   (cdr address))))))))
1002           (setq addresses (cdr addresses)))
1003         (when (and remove-group-list has-group-list)
1004           (delete-region beg (point))
1005           (insert (wl-address-string-without-group-list-contents seq))))
1006       mailbox-list)))
1007
1008 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1009   "Get address list suitable for smtp RCPT TO:<address>.
1010 Group list content is removed if `wl-draft-remove-group-list-contents' is
1011 non-nil."
1012   (let ((fields (if (and wl-draft-doing-mime-bcc
1013                          wl-draft-disable-bcc-for-mime-bcc)
1014                     '("to" "cc")
1015                   '("to" "cc" "bcc")))
1016         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1017         (case-fold-search t)
1018         addrs recipients)
1019     (save-excursion
1020       (save-restriction
1021         (narrow-to-region header-start header-end)
1022         (goto-char (point-min))
1023         (save-excursion
1024           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1025               (setq fields resent-fields)))
1026         (while fields
1027           (setq recipients
1028                 (nconc recipients
1029                        (wl-draft-parse-mailbox-list
1030                         (car fields)
1031                         wl-draft-remove-group-list-contents)))
1032           (setq fields (cdr fields)))
1033         recipients))))
1034
1035 ;;
1036 ;; from Semi-gnus
1037 ;;
1038 (defun wl-draft-send-mail-with-smtp ()
1039   "Send the prepared message buffer with SMTP."
1040   (require 'smtp)
1041   (let* ((errbuf (if mail-interactive
1042                      (generate-new-buffer " smtp errors")
1043                    0))
1044          (case-fold-search t)
1045          (default-case-fold-search t)
1046          (sender (or wl-envelope-from
1047                      (wl-address-header-extract-address wl-from)))
1048          (delimline (save-excursion
1049                       (goto-char (point-min))
1050                       (re-search-forward
1051                        (concat "^" (regexp-quote mail-header-separator)
1052                                "$\\|^$") nil t)
1053                       (point-marker)))
1054          (smtp-server
1055           (or wl-smtp-posting-server smtp-server "localhost"))
1056          (smtp-service (or wl-smtp-posting-port smtp-service))
1057          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1058          (id (std11-field-body "message-id"))
1059          recipients)
1060     (if (not (elmo-plugged-p smtp-server smtp-service))
1061         (wl-draft-set-sent-message 'mail 'unplugged
1062                                    (cons smtp-server smtp-service))
1063       (unwind-protect
1064           (save-excursion
1065             ;; Instead of `smtp-deduce-address-list'.
1066             (setq recipients (wl-draft-deduce-address-list
1067                               (current-buffer) (point-min) delimline))
1068             (unless recipients (error "No recipients"))
1069             ;; Insert an extra newline if we need it to work around
1070             ;; Sun's bug that swallows newlines.
1071             (goto-char (1+ delimline))
1072             (if (eval mail-mailer-swallows-blank-line)
1073                 (newline))
1074             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1075             (if mail-interactive
1076                 (save-excursion
1077                   (set-buffer errbuf)
1078                   (erase-buffer)))
1079             (wl-draft-delete-field "bcc" delimline)
1080             (wl-draft-delete-field "resent-bcc" delimline)
1081             (let (process-connection-type)
1082               (as-binary-process
1083                (when recipients
1084                  (wl-smtp-extension-bind
1085                   (condition-case err
1086                       (smtp-send-buffer sender recipients (current-buffer))
1087                     (error
1088                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1089                                              recipients id)
1090                      (if (and (eq (car err) 'smtp-response-error)
1091                               (= (nth 1 err) 535))
1092                          (elmo-remove-passwd
1093                           (wl-smtp-password-key
1094                            smtp-sasl-user-name
1095                            (car smtp-sasl-mechanisms)
1096                            smtp-server)))
1097                      (signal (car err) (cdr err)))
1098                     (quit
1099                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1100                                              recipients id)
1101                      (signal (car err) (cdr err)))))
1102                  (wl-draft-set-sent-message 'mail 'sent)
1103                  (wl-draft-write-sendlog
1104                   'ok 'smtp smtp-server recipients id)))))
1105         (if (bufferp errbuf)
1106             (kill-buffer errbuf))))))
1107
1108 (defun wl-draft-send-mail-with-pop-before-smtp ()
1109   "Send the prepared message buffer with POP-before-SMTP."
1110   (require 'elmo-pop3)
1111   (let ((session
1112          (luna-make-entity
1113           'elmo-pop3-folder
1114           :user   (or wl-pop-before-smtp-user
1115                       elmo-pop3-default-user)
1116           :server (or wl-pop-before-smtp-server
1117                       elmo-pop3-default-server)
1118           :port   (or wl-pop-before-smtp-port
1119                       elmo-pop3-default-port)
1120           :auth   (or wl-pop-before-smtp-authenticate-type
1121                       elmo-pop3-default-authenticate-type)
1122           :stream-type (or wl-pop-before-smtp-stream-type
1123                            elmo-pop3-default-stream-type))))
1124     (condition-case error
1125         (progn
1126           (elmo-pop3-get-session session)
1127           (when session (elmo-network-close-session session)))
1128       (error
1129        (elmo-network-close-session session)
1130        (unless (string= (nth 1 error) "Unplugged")
1131          (signal (car error)(cdr error))))))
1132   (wl-draft-send-mail-with-smtp))
1133
1134 (defun wl-draft-insert-required-fields (&optional force-msgid)
1135   "Insert Message-ID, Date, and From field.
1136 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1137   ;; Insert Message-Id field...
1138   (goto-char (point-min))
1139   (when (and (or force-msgid
1140                  wl-insert-message-id)
1141              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1142     (insert (concat "Message-ID: "
1143                     (funcall wl-message-id-function)
1144                     "\n")))
1145   ;; Insert date field.
1146   (goto-char (point-min))
1147   (or (re-search-forward "^Date[ \t]*:" nil t)
1148       (wl-draft-insert-date-field))
1149   ;; Insert from field.
1150   (goto-char (point-min))
1151   (or (re-search-forward "^From[ \t]*:" nil t)
1152       (wl-draft-insert-from-field)))
1153
1154 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1155   "Send the message in the current buffer."
1156   (save-restriction
1157     (std11-narrow-to-header mail-header-separator)
1158     (wl-draft-insert-required-fields)
1159     ;; Delete null fields.
1160     (goto-char (point-min))
1161     (while (re-search-forward "^[^ \t\n:]+:[ \t]*\n" nil t)
1162       (replace-match ""))
1163     ;; ignore any blank lines in the header
1164     (while (re-search-forward "\n\n\n*" nil t)
1165       (replace-match "\n")))
1166 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1167   (wl-draft-dispatch-message)
1168   (when kill-when-done
1169     ;; hide editing-buffer.
1170     (wl-draft-hide editing-buffer)
1171     ;; delete editing-buffer and its file.
1172     (wl-draft-delete editing-buffer)))
1173
1174 (defun wl-draft-dispatch-message (&optional mes-string)
1175   "Send the message in the current buffer.  Not modified the header fields."
1176   (let (delimline mime-bcc)
1177     (if (and wl-draft-verbose-send mes-string)
1178         (message "%s" mes-string))
1179     ;; get fcc folders.
1180     (setq delimline (wl-draft-get-header-delimiter t))
1181     (unless wl-draft-fcc-list
1182       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1183     ;;
1184     (setq wl-sent-message-modified nil)
1185     (unwind-protect
1186         (progn
1187           (if (and (wl-message-mail-p)
1188                    (not (wl-draft-sent-message-p 'mail)))
1189               (if (or (not (or wl-draft-force-queuing
1190                                wl-draft-force-queuing-mail))
1191                       (memq 'mail wl-sent-message-queued))
1192                   (progn
1193                     (setq mime-bcc (wl-draft-mime-bcc-field))
1194                     (funcall wl-draft-send-mail-function)
1195                     (when (not (zerop (length mime-bcc)))
1196                       (wl-draft-do-mime-bcc mime-bcc)))
1197                 (push 'mail wl-sent-message-queued)
1198                 (wl-draft-set-sent-message 'mail 'unplugged)))
1199           (if (and (wl-message-news-p)
1200                    (not (wl-draft-sent-message-p 'news))
1201                    (not (wl-message-field-exists-p "Resent-to")))
1202               (if (or (not (or wl-draft-force-queuing
1203                                wl-draft-force-queuing-news))
1204                       (memq 'news wl-sent-message-queued))
1205                   (funcall wl-draft-send-news-function)
1206                 (push 'news wl-sent-message-queued)
1207                 (wl-draft-set-sent-message 'news 'unplugged))))
1208       (let* ((status (wl-draft-sent-message-results))
1209              (unplugged-via (car status))
1210              (sent-via (nth 1 status)))
1211         ;; If one sent, process fcc folder.
1212         (if (and sent-via wl-draft-fcc-list)
1213             (progn
1214               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1215                                wl-draft-fcc-list)
1216               (setq wl-draft-fcc-list nil)))
1217         (if wl-draft-use-cache
1218             (let ((id (std11-field-body "Message-ID"))
1219                   (elmo-enable-disconnected-operation t))
1220               (elmo-file-cache-save (elmo-file-cache-get-path id)
1221                                     nil)))
1222         ;; If one unplugged, append queue.
1223         (when (and unplugged-via
1224                    wl-sent-message-modified)
1225           (if wl-draft-enable-queuing
1226               (progn
1227                 (wl-draft-queue-append wl-sent-message-via)
1228                 (setq wl-sent-message-modified 'requeue))
1229             (error "Unplugged")))
1230         (when wl-draft-verbose-send
1231           (if (and unplugged-via sent-via);; combined message
1232               (progn
1233                 (setq wl-draft-verbose-msg
1234                       (format "Sending%s and Queuing%s..."
1235                               sent-via unplugged-via))
1236                 (message "%sdone" wl-draft-verbose-msg))
1237             (if mes-string
1238                 (message "%s%s"
1239                          mes-string
1240                          (if sent-via "done" "failed"))))))))
1241   (not wl-sent-message-modified)) ;; return value
1242
1243 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1244   "Force send current buffer as raw message."
1245   (interactive)
1246   (save-excursion
1247     (let (wl-interactive-send
1248 ;;;       wl-draft-verbose-send
1249           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1250           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1251           mail-send-hook
1252           mail-send-actions)
1253       (wl-draft-send kill-when-done mes-string))))
1254
1255 (defun wl-draft-clone-local-variables ()
1256   (let ((locals (buffer-local-variables))
1257         result)
1258     (while locals
1259       (when (and (consp (car locals))
1260                  (car (car locals))
1261                  (string-match wl-draft-clone-local-variable-regexp
1262                                (symbol-name (car (car locals)))))
1263         (wl-append result (list (car (car locals)))))
1264       (setq locals (cdr locals)))
1265     result))
1266
1267 (defun wl-draft-send (&optional kill-when-done mes-string)
1268   "Send current draft message.
1269 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1270   (interactive)
1271   ;; Don't call this explicitly.
1272   ;; Added to 'wl-draft-send-hook (by teranisi)
1273   ;; (wl-draft-config-exec)
1274   (run-hooks 'wl-draft-send-hook)
1275   (when (or (not wl-interactive-send)
1276             (y-or-n-p "Do you really want to send current draft? "))
1277     (let ((send-mail-function 'wl-draft-raw-send)
1278           (editing-buffer (current-buffer))
1279           (sending-buffer (wl-draft-generate-clone-buffer
1280                            " *wl-draft-sending-buffer*"
1281                            (append wl-draft-config-variables
1282                                    (wl-draft-clone-local-variables))))
1283           (wl-draft-verbose-msg nil)
1284           err)
1285       (unwind-protect
1286           (save-excursion
1287             (set-buffer sending-buffer)
1288             (if (and (not (wl-message-mail-p))
1289                      (not (wl-message-news-p)))
1290                 (error "No recipient is specified"))
1291             (expand-abbrev)             ; for mail-abbrevs
1292             (let ((mime-header-encode-method-alist
1293                    (append
1294                     '((wl-draft-eword-encode-address-list
1295                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1296                     (if (boundp 'mime-header-encode-method-alist)
1297                         (symbol-value 'mime-header-encode-method-alist)))))
1298               (run-hooks 'mail-send-hook) ; translate buffer
1299               )
1300             ;;
1301             (if wl-draft-verbose-send
1302                 (message "%s" (or mes-string "Sending...")))
1303             (funcall wl-draft-send-function editing-buffer kill-when-done)
1304             ;; Now perform actions on successful sending.
1305             (while mail-send-actions
1306               (condition-case ()
1307                   (apply (car (car mail-send-actions))
1308                          (cdr (car mail-send-actions)))
1309                 (error))
1310               (setq mail-send-actions (cdr mail-send-actions)))
1311             (if wl-draft-verbose-send
1312                 (message "%sdone"
1313                          (or wl-draft-verbose-msg
1314                              mes-string
1315                              "Sending..."))))
1316         ;; kill sending buffer, anyway.
1317         (and (buffer-live-p sending-buffer)
1318              (kill-buffer sending-buffer))))))
1319
1320 (defun wl-draft-mime-bcc-field ()
1321   "Return the MIME-Bcc field body.  The field is deleted."
1322   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1323     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1324
1325 (defun wl-draft-do-mime-bcc (field-body)
1326   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1327   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1328                                            'From))
1329         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1330                                                "")
1331                                            'Subject))
1332         (recipients (wl-parse-addresses field-body))
1333         (draft-buffer (current-buffer))
1334         wl-draft-use-frame)
1335     (save-window-excursion
1336       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1337                  (not (zerop (length field-body))))
1338         (let ((wl-draft-doing-mime-bcc t))
1339           (dolist (recipient recipients)
1340             (wl-draft-create-buffer)
1341             (wl-draft-create-contents
1342              (append `((From . ,orig-from)
1343                        (To . ,recipient)
1344                        (Subject . ,(concat "A blind carbon copy ("
1345                                            orig-subj
1346                                            ")")))
1347                      (wl-draft-default-headers)))
1348             (wl-draft-insert-mail-header-separator)
1349             (wl-draft-prepare-edit)
1350             (goto-char (point-max))
1351             (insert (or wl-draft-mime-bcc-body
1352                         "This is a blind carbon copy.")
1353                     "\n")
1354             (mime-edit-insert-tag "message" "rfc822")
1355             (insert-buffer draft-buffer)
1356             (let (wl-interactive-send)
1357               (wl-draft-send 'kill-when-done))))))))
1358
1359 ;; Derived from `message-save-drafts' in T-gnus.
1360 (defun wl-draft-save ()
1361   "Save current draft."
1362   (interactive)
1363   (if (buffer-modified-p)
1364       (progn
1365         (message "Saving %s..." wl-draft-buffer-file-name)
1366         (let ((msg (buffer-substring-no-properties (point-min) (point-max))))
1367           (with-temp-file wl-draft-buffer-file-name
1368             (insert msg)
1369             ;; If no header separator, insert it.
1370             (save-excursion
1371               (goto-char (point-min))
1372               (unless (re-search-forward
1373                        (concat "^" (regexp-quote mail-header-separator) "$")
1374                        nil t)
1375                 (goto-char (point-min))
1376                 (if (re-search-forward "\n\n" nil t)
1377                     (replace-match (concat "\n" mail-header-separator "\n"))
1378                   (goto-char (point-max))
1379                   (insert (if (eq (char-before) ?\n) "" "\n")
1380                           mail-header-separator "\n"))))
1381             (let ((mime-header-encode-method-alist
1382                    '((eword-encode-unstructured-field-body))))
1383               (mime-edit-translate-buffer))
1384             (wl-draft-get-header-delimiter t)))
1385         (set-buffer-modified-p nil)
1386         (wl-draft-config-info-operation
1387          (and (string-match "[0-9]+$" wl-draft-buffer-file-name)
1388               (string-to-int
1389                (match-string 0 wl-draft-buffer-file-name)))
1390          'save)
1391         (message "Saving %s...done" wl-draft-buffer-file-name))
1392     (message "(No changes need to be saved)")))
1393
1394 (defun wl-draft-mimic-kill-buffer ()
1395   "Kill the current (draft) buffer with query."
1396   (interactive)
1397   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1398                                       (buffer-name))))
1399         wl-draft-use-frame)
1400     (if (or (not bufname)
1401             (string-equal bufname "")
1402             (string-equal bufname (buffer-name)))
1403         (let ((bufname (current-buffer)))
1404           (when (or (not (buffer-modified-p))
1405                     (yes-or-no-p
1406                      (format "Buffer %s modified; kill anyway? " bufname)))
1407             (set-buffer-modified-p nil)
1408             (wl-draft-hide bufname)
1409             (kill-buffer bufname)))
1410       (kill-buffer bufname))))
1411
1412 (defun wl-draft-save-and-exit ()
1413   "Save current draft and exit current draft mode."
1414   (interactive)
1415   (wl-draft-save)
1416   (let ((editing-buffer (current-buffer)))
1417     (wl-draft-hide editing-buffer)
1418     (kill-buffer editing-buffer)))
1419
1420 (defun wl-draft-send-and-exit ()
1421   "Send current draft message and kill it."
1422   (interactive)
1423   (wl-draft-send t))
1424
1425 (defun wl-draft-send-from-toolbar ()
1426   (interactive)
1427   (let ((wl-interactive-send t))
1428     (wl-draft-send-and-exit)))
1429
1430 (defun wl-draft-delete-field (field &optional delimline replace)
1431   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1432
1433 (defun wl-draft-delete-fields (field &optional delimline replace)
1434   (save-restriction
1435     (unless delimline
1436       (goto-char (point-min))
1437       (if (search-forward "\n\n" nil t)
1438           (setq delimline (point))
1439         (setq delimline (point-max))))
1440     (narrow-to-region (point-min) delimline)
1441     (goto-char (point-min))
1442     (let ((regexp (concat "^" field ":"))
1443           (case-fold-search t))
1444       (while (not (eobp))
1445         (if (looking-at regexp)
1446             (progn
1447               (delete-region
1448                (point)
1449                (progn
1450                  (forward-line 1)
1451                  (if (re-search-forward "^[^ \t]" nil t)
1452                      (goto-char (match-beginning 0))
1453                    (point-max))))
1454               (if replace
1455                   (insert (concat field ": " replace "\n"))))
1456           (forward-line 1)
1457           (if (re-search-forward "^[^ \t]" nil t)
1458               (goto-char (match-beginning 0))
1459             (point-max)))))))
1460
1461 (defun wl-draft-get-fcc-list (header-end)
1462   (if (and wl-draft-doing-mime-bcc
1463            wl-draft-disable-fcc-for-mime-bcc)
1464       (progn
1465         (wl-draft-delete-field "fcc")
1466         nil)
1467     (let (fcc-list
1468           (case-fold-search t))
1469       (or (markerp header-end) (error "HEADER-END must be a marker"))
1470       (save-excursion
1471         (goto-char (point-min))
1472         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1473           (save-match-data
1474             (setq fcc-list
1475                   (append fcc-list
1476                           (split-string
1477                            (buffer-substring-no-properties
1478                             (point)
1479                             (progn
1480                               (end-of-line)
1481                               (skip-chars-backward " \t")
1482                               (point)))
1483                            ",[ \t]*")))
1484             (dolist (folder fcc-list)
1485               (wl-folder-confirm-existence
1486                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1487           (delete-region (match-beginning 0)
1488                          (progn (forward-line 1) (point)))))
1489       fcc-list)))
1490
1491 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1492   (let ((send-mail-buffer (current-buffer))
1493         (tembuf (generate-new-buffer " fcc output"))
1494         (case-fold-search t)
1495         beg end)
1496     (or (markerp header-end) (error "HEADER-END must be a marker"))
1497     (save-excursion
1498       (unless fcc-list
1499         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1500       (set-buffer tembuf)
1501       (erase-buffer)
1502       ;; insert just the headers to avoid moving the gap more than
1503       ;; necessary (the message body could be arbitrarily huge.)
1504       (insert-buffer-substring send-mail-buffer 1 header-end)
1505       (wl-draft-insert-required-fields t)
1506       (goto-char (point-max))
1507       (insert-buffer-substring send-mail-buffer header-end)
1508       (let ((id (std11-field-body "Message-ID"))
1509             (elmo-enable-disconnected-operation t)
1510             cache-saved)
1511         (while fcc-list
1512           (unless (or cache-saved
1513                       (elmo-folder-plugged-p
1514                        (wl-folder-get-elmo-folder (car fcc-list))))
1515             (elmo-file-cache-save id nil) ;; for disconnected operation
1516             (setq cache-saved t))
1517           (if (elmo-folder-append-buffer
1518                (wl-folder-get-elmo-folder
1519                 (eword-decode-string (car fcc-list)))
1520                (not wl-fcc-force-as-read))
1521               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1522             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1523           (setq fcc-list (cdr fcc-list)))))
1524     (kill-buffer tembuf)))
1525
1526 (defun wl-draft-on-field-p ()
1527   (if (< (point)
1528          (save-excursion
1529            (goto-char (point-min))
1530            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1531            (point)))
1532       (if (bolp)
1533           (if (bobp)
1534               t
1535             (save-excursion
1536               (forward-line -1)
1537               (if (or (looking-at ".*,[ \t]?$")
1538                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1539                   nil t)))
1540         (let ((pos (point)))
1541           (save-excursion
1542             (beginning-of-line)
1543             (if (looking-at "^[ \t]")
1544                 nil
1545               (if (re-search-forward ":" pos t) nil t)))))))
1546
1547 ;;;;;;;;;;;;;;;;
1548 ;;;###autoload
1549 (defun wl-draft (&optional header-alist
1550                            content-type content-transfer-encoding
1551                            body edit-again
1552                            parent-folder)
1553   "Write and send mail/news message with Wanderlust."
1554   (interactive)
1555   (require 'wl)
1556   (unless wl-init
1557     (wl-load-profile)
1558     (wl-folder-init)
1559     (elmo-init)
1560     (wl-plugged-init t))
1561   (let (wl-demo)
1562     (wl-init)) ; returns immediately if already initialized.
1563
1564
1565   (let (buf-name header-alist-internal)
1566     (setq buf-name
1567           (wl-draft-create-buffer
1568            (or
1569             (eq this-command 'wl-draft)
1570             (eq this-command 'wl-summary-write)
1571             (eq this-command 'wl-summary-write-current-folder)
1572             (eq this-command 'wl-folder-write-current-folder))
1573            parent-folder))
1574
1575     (unless (cdr (assq 'From header-alist))
1576       (setq header-alist
1577             (append (list (cons 'From wl-from)) header-alist)))
1578     (unless (cdr (assq 'To header-alist))
1579       (let ((to))
1580         (when (setq to (and
1581                         (interactive-p)
1582                         ""))
1583           (if (assq 'To header-alist)
1584               (setcdr (assq 'To header-alist) to)
1585             (setq header-alist
1586                   (append header-alist
1587                           (list (cons 'To to))))))))
1588     (unless (cdr (assq 'Subject header-alist))
1589       (if (assq 'Subject header-alist)
1590           (setcdr (assq 'Subject header-alist) "")
1591         (setq header-alist
1592               (append header-alist (list (cons 'Subject ""))))))
1593     (setq header-alist (append header-alist
1594                                (wl-draft-default-headers)
1595                                wl-draft-additional-header-alist
1596                                (if body (list "" (cons 'Body body)))))
1597     (wl-draft-create-contents header-alist)
1598     (if edit-again
1599         (wl-draft-decode-body
1600          content-type content-transfer-encoding))
1601     (wl-draft-insert-mail-header-separator)
1602     (wl-draft-prepare-edit)
1603     (if (interactive-p)
1604         (run-hooks 'wl-mail-setup-hook))
1605     (goto-char (point-min))
1606     (wl-user-agent-compose-internal) ;; user-agent
1607     (cond ((and
1608             (interactive-p)
1609             (string= (cdr (assq 'To header-alist)) ""))
1610            (mail-position-on-field "To"))
1611           (t
1612            (goto-char (point-max))))
1613     buf-name))
1614
1615 (defun wl-draft-create-buffer (&optional full parent-folder)
1616   (let* ((draft-folder (wl-folder-get-elmo-folder wl-draft-folder))
1617          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1618          (summary-buf (wl-summary-get-buffer parent-folder))
1619         buf-name file-name num change-major-mode-hook)
1620     (if (not (elmo-folder-message-file-p draft-folder))
1621         (error "%s folder cannot be used for draft folder" wl-draft-folder))
1622     (setq num (elmo-max-of-list
1623                (or (elmo-folder-list-messages draft-folder) '(0))))
1624     (setq num (+ 1 num))
1625     ;; To get unused buffer name.
1626     (while (get-buffer (concat wl-draft-folder "/" (int-to-string num)))
1627       (setq num (+ 1 num)))
1628     (setq buf-name (find-file-noselect
1629                     (setq file-name
1630                           (elmo-message-file-name
1631                            (wl-folder-get-elmo-folder wl-draft-folder)
1632                            num))))
1633     (if wl-draft-use-frame
1634         (switch-to-buffer-other-frame buf-name)
1635       (switch-to-buffer buf-name))
1636     (set-buffer buf-name)
1637     (if (not (string-match (regexp-quote wl-draft-folder)
1638                            (buffer-name)))
1639         (rename-buffer (concat wl-draft-folder "/" (int-to-string num))))
1640     (if (or (eq wl-draft-reply-buffer-style 'full)
1641             full)
1642         (delete-other-windows))
1643     (auto-save-mode -1)
1644     (wl-draft-mode)
1645     (make-local-variable 'truncate-partial-width-windows)
1646     (setq truncate-partial-width-windows nil)
1647     (setq truncate-lines wl-draft-truncate-lines)
1648     (setq wl-sent-message-via nil)
1649     (setq wl-sent-message-queued nil)
1650     (setq wl-draft-buffer-file-name file-name)
1651     (setq wl-draft-config-exec-flag t)
1652     (setq wl-draft-parent-folder (or parent-folder ""))
1653     (or (eq this-command 'wl-folder-write-current-folder)
1654         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1655     buf-name))
1656
1657 (defun wl-draft-create-contents (header-alist)
1658   "header-alist' sample
1659 '(function  ;; funcall
1660   string    ;; insert string
1661   (symbol . string)    ;;  insert symbol-value: string
1662   (symbol . function)  ;;  (funcall) and if it returns string,
1663                        ;;  insert symbol-value: string
1664   (symbol . nil)       ;;  do nothing
1665   nil                  ;;  do nothing
1666   )"
1667   (unless (eq major-mode 'wl-draft-mode)
1668     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1669   (let ((halist header-alist)
1670         field value)
1671     (while halist
1672       (cond
1673        ;; function
1674        ((functionp (car halist)) (funcall (car halist)))
1675        ;; string
1676        ((stringp (car halist)) (insert (car halist) "\n"))
1677        ;; cons
1678        ((consp (car halist))
1679         (setq field (car (car halist)))
1680         (setq value (cdr (car halist)))
1681         (cond
1682          ((symbolp field)
1683           (cond
1684            ((eq field 'Body) ; body
1685             (insert value))
1686            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1687            ((functionp value)
1688             (let ((value-return (funcall value)))
1689               (when (stringp value-return)
1690                 (insert (symbol-name field) ": " value-return "\n"))))
1691            ((not value))
1692            (t
1693             (debug))))
1694          ;;
1695          ((not field))
1696          (t
1697           (debug))
1698          )))
1699       (setq halist (cdr halist)))))
1700
1701 (defun wl-draft-prepare-edit ()
1702   (unless (eq major-mode 'wl-draft-mode)
1703     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1704   (let (change-major-mode-hook)
1705     (wl-draft-editor-mode)
1706     (add-hook 'local-write-file-hooks 'wl-draft-save)
1707     (wl-draft-overload-functions)
1708     (wl-highlight-headers 'for-draft)
1709     (wl-draft-save)
1710     (clear-visited-file-modtime)))
1711
1712 (defun wl-draft-decode-header ()
1713   (save-excursion
1714     (std11-narrow-to-header)
1715     (wl-draft-decode-message-in-buffer)
1716     (widen)))
1717
1718 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1719   (let ((content-type
1720          (or content-type
1721                 (std11-field-body "content-type")))
1722         (content-transfer-encoding
1723          (or content-transfer-encoding
1724              (std11-field-body "content-transfer-encoding")))
1725         delimline)
1726     (save-excursion
1727       (std11-narrow-to-header)
1728       (wl-draft-delete-field "content-type")
1729       (wl-draft-delete-field "content-transfer-encoding")
1730       (goto-char (point-max))
1731       (setq delimline (point-marker))
1732       (widen)
1733       (narrow-to-region delimline (point-max))
1734       (goto-char (point-min))
1735       (when content-type
1736         (insert "Content-type: " content-type "\n"))
1737       (when content-transfer-encoding
1738         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1739       (wl-draft-decode-message-in-buffer)
1740       (goto-char (point-min))
1741       (unless (re-search-forward "^$" (point-at-eol) t)
1742         (insert "\n"))
1743       (widen)
1744       delimline)))
1745
1746 ;;; subroutine for wl-draft-create-contents
1747 ;;; must be used in wl-draft-mode
1748 (defun wl-draft-check-new-line ()
1749   (if (not (= (preceding-char) ?\n))
1750       (insert ?\n)))
1751
1752 (defsubst wl-draft-trim-ccs (cc)
1753   (let ((field
1754          (if (functionp cc)
1755              (funcall cc)
1756            cc)))
1757     (if (and field
1758              (null (and wl-draft-delete-myself-from-bcc-fcc
1759                         (elmo-list-member
1760                          (mapcar 'wl-address-header-extract-address
1761                                  (append
1762                                   (wl-parse-addresses (std11-field-body "To"))
1763                                   (wl-parse-addresses (std11-field-body "Cc"))))
1764                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1765         field
1766       nil)))
1767
1768 (defsubst wl-draft-default-headers ()
1769   (list
1770    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1771                              (wl-address-header-extract-address
1772                               wl-from)))
1773    (cons 'User-Agent wl-generate-mailer-string-function)
1774    (cons 'Reply-To mail-default-reply-to)
1775    (cons 'Bcc (function
1776                (lambda ()
1777                  (wl-draft-trim-ccs
1778                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1779    (cons 'Fcc (function
1780                (lambda ()
1781                  (wl-draft-trim-ccs wl-fcc))))
1782    (cons 'Organization wl-organization)
1783    (and wl-auto-insert-x-face
1784         (file-exists-p wl-x-face-file)
1785         'wl-draft-insert-x-face-field-here) ;; allow nil
1786    mail-default-headers
1787    ;; check \n at th end of line for `mail-default-headers'
1788    'wl-draft-check-new-line
1789    ))
1790
1791 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1792   (save-excursion
1793     (if delimline
1794         (goto-char delimline)
1795       (goto-char (point-min))
1796       (if (search-forward "\n\n" nil t)
1797           (delete-backward-char 1)
1798         (goto-char (point-max))))
1799     (wl-draft-check-new-line)
1800     (put-text-property (point)
1801                        (progn
1802                          (insert mail-header-separator "\n")
1803                          (1- (point)))
1804                        'category 'mail-header-separator)))
1805
1806 ;;;;;;;;;;;;;;;;
1807
1808 (defun wl-draft-elmo-nntp-send ()
1809   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1810         (elmo-nntp-default-user
1811          (or wl-nntp-posting-user elmo-nntp-default-user))
1812         (elmo-nntp-default-server
1813          (or wl-nntp-posting-server elmo-nntp-default-server))
1814         (elmo-nntp-default-port
1815          (or wl-nntp-posting-port elmo-nntp-default-port))
1816         (elmo-nntp-default-stream-type
1817          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1818         (elmo-nntp-default-function wl-nntp-posting-function)
1819         condition)
1820     (if (setq condition (cdr (elmo-string-matched-assoc
1821                               (std11-field-body "Newsgroups")
1822                               wl-nntp-posting-config-alist)))
1823         (if (stringp condition)
1824             (setq elmo-nntp-default-server condition)
1825           (while (car condition)
1826             (set (intern (format "elmo-nntp-default-%s"
1827                                  (symbol-name (caar condition))))
1828                  (cdar condition))
1829             (setq condition (cdr condition)))))
1830     (unless elmo-nntp-default-function
1831       (error "wl-draft-nntp-send: posting-function is nil"))
1832     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1833         (wl-draft-set-sent-message 'news 'unplugged
1834                                    (cons elmo-nntp-default-server
1835                                          elmo-nntp-default-port))
1836       (funcall elmo-nntp-default-function
1837                elmo-nntp-default-server (current-buffer))
1838       (wl-draft-set-sent-message 'news 'sent)
1839       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1840                               (std11-field-body "Newsgroups")
1841                               (std11-field-body "Message-ID")))))
1842
1843 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1844   "Generate clone of current buffer named NAME."
1845   (let ((editing-buffer (current-buffer)))
1846     (save-excursion
1847       (set-buffer (generate-new-buffer name))
1848       (erase-buffer)
1849       (wl-draft-mode)
1850       (wl-draft-editor-mode)
1851       (insert-buffer editing-buffer)
1852       (message "")
1853       (while local-variables
1854         (make-local-variable (car local-variables))
1855         (set (car local-variables)
1856              (save-excursion
1857                (set-buffer editing-buffer)
1858                (symbol-value (car local-variables))))
1859         (setq local-variables (cdr local-variables)))
1860       (current-buffer))))
1861
1862 (defun wl-draft-reedit (number)
1863   (let ((draft-folder (wl-folder-get-elmo-folder wl-draft-folder))
1864         (wl-draft-reedit t)
1865         buffer file-name change-major-mode-hook)
1866     (setq file-name (elmo-message-file-name draft-folder number))
1867     (unless (file-exists-p file-name)
1868       (error "File %s does not exist" file-name))
1869     (if (setq buffer (get-buffer
1870                       (concat wl-draft-folder "/"
1871                               (number-to-string number))))
1872         (progn
1873           (if wl-draft-use-frame
1874               (switch-to-buffer-other-frame buffer)
1875             (switch-to-buffer buffer))
1876           (set-buffer buffer))
1877       (setq buffer (get-buffer-create (number-to-string number)))
1878       (if wl-draft-use-frame
1879           (switch-to-buffer-other-frame buffer)
1880         (switch-to-buffer buffer))
1881       (set-buffer buffer)
1882       (insert-file-contents-as-binary file-name)
1883       (elmo-delete-cr-buffer)
1884       (let((mime-edit-again-ignored-field-regexp
1885             "^\\(Content-.*\\|Mime-Version\\):"))
1886 ;       (wl-draft-decode-message-in-buffer))
1887         ;;;; From gnus-article-mime-edit-article-setup in T-gnus
1888         ;;;; XXX: it is semi issue, perhaps [wl:10790]
1889         (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
1890           (fset 'mime-edit-decode-single-part-in-buffer
1891                 (lambda (&rest args)
1892                   (unless (let ((content-type (car args)))
1893                             (eq 'text (mime-content-type-primary-type
1894                                        content-type)))
1895                     (setcar (cdr args) 'not-decode-text))
1896                   (apply ofn args)))
1897           (unwind-protect
1898               (wl-draft-decode-message-in-buffer)
1899             (fset 'mime-edit-decode-single-part-in-buffer ofn))))
1900       (wl-draft-insert-mail-header-separator)
1901       (if (not (string-match (regexp-quote wl-draft-folder)
1902                              (buffer-name)))
1903           (rename-buffer (concat wl-draft-folder "/" (buffer-name))))
1904       (auto-save-mode -1)
1905       (wl-draft-mode)
1906       (setq buffer-file-name file-name)
1907       (make-local-variable 'truncate-partial-width-windows)
1908       (setq truncate-partial-width-windows nil)
1909       (setq truncate-lines wl-draft-truncate-lines)
1910       (setq wl-sent-message-via nil)
1911       (setq wl-sent-message-queued nil)
1912       (setq wl-draft-buffer-file-name file-name)
1913       (wl-draft-config-info-operation number 'load)
1914       (goto-char (point-min))
1915       (wl-draft-overload-functions)
1916       (wl-draft-editor-mode)
1917       (add-hook 'local-write-file-hooks 'wl-draft-save)
1918       (wl-highlight-headers 'for-draft)
1919       (run-hooks 'wl-draft-reedit-hook)
1920       (goto-char (point-max))
1921       buffer)))
1922
1923 (defmacro wl-draft-body-goto-top ()
1924   (` (progn
1925        (goto-char (point-min))
1926        (if (re-search-forward mail-header-separator nil t)
1927            (forward-char 1)
1928          (goto-char (point-max))))))
1929
1930 (defmacro wl-draft-body-goto-bottom ()
1931   (` (goto-char (point-max))))
1932
1933 (defmacro wl-draft-config-body-goto-header ()
1934   (` (progn
1935        (goto-char (point-min))
1936        (if (re-search-forward mail-header-separator nil t)
1937            (beginning-of-line)
1938          (goto-char (point-max))))))
1939
1940 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
1941   (let (content-value)
1942     (when (and content
1943                (stringp (setq content-value (eval content))))
1944       (insert content-value)
1945       (if newline (insert "\n")))))
1946
1947 (defun wl-draft-config-sub-body (content)
1948   (wl-draft-body-goto-top)
1949   (delete-region (point) (point-max))
1950   (wl-draft-config-sub-eval-insert content))
1951
1952 (defun wl-draft-config-sub-top (content)
1953   (wl-draft-body-goto-top)
1954   (wl-draft-config-sub-eval-insert content))
1955
1956 (defun wl-draft-config-sub-bottom (content)
1957   (wl-draft-body-goto-bottom)
1958   (wl-draft-config-sub-eval-insert content))
1959
1960 (defun wl-draft-config-sub-header (content)
1961   (wl-draft-config-body-goto-header)
1962   (wl-draft-config-sub-eval-insert content 'newline))
1963
1964 (defun wl-draft-config-sub-header-top (content)
1965   (goto-char (point-min))
1966   (wl-draft-config-sub-eval-insert content 'newline))
1967
1968 (defun wl-draft-config-sub-part-top (content)
1969   (goto-char (mime-edit-content-beginning))
1970   (wl-draft-config-sub-eval-insert content 'newline))
1971
1972 (defun wl-draft-config-sub-part-bottom (content)
1973   (goto-char (mime-edit-content-end))
1974   (wl-draft-config-sub-eval-insert content 'newline))
1975
1976 (defsubst wl-draft-config-sub-file (content)
1977   (let ((coding-system-for-read wl-cs-autoconv)
1978         (file (expand-file-name (eval content))))
1979     (if (file-exists-p file)
1980         (insert-file-contents file)
1981       (error "%s: no exists file" file))))
1982
1983 (defun wl-draft-config-sub-body-file (content)
1984   (wl-draft-body-goto-top)
1985   (delete-region (point) (point-max))
1986   (wl-draft-config-sub-file content))
1987
1988 (defun wl-draft-config-sub-top-file (content)
1989   (wl-draft-body-goto-top)
1990   (wl-draft-config-sub-file content))
1991
1992 (defun wl-draft-config-sub-bottom-file (content)
1993   (wl-draft-body-goto-bottom)
1994   (wl-draft-config-sub-file content))
1995
1996 (defun wl-draft-config-sub-header-file (content)
1997   (wl-draft-config-body-goto-header)
1998   (wl-draft-config-sub-file content))
1999
2000 (defun wl-draft-config-sub-template (content)
2001   (setq wl-draft-config-variables
2002         (wl-template-insert (eval content))))
2003
2004 (defun wl-draft-config-sub-x-face (content)
2005   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2006            (fboundp 'x-face-insert)) ; x-face.el is installed.
2007       (x-face-insert content)
2008     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2009
2010 (defsubst wl-draft-config-sub-func (field content)
2011   (let (func)
2012     (if (setq func (assq field wl-draft-config-sub-func-alist))
2013         (let (wl-draft-config-variables)
2014           (funcall (cdr func) content)
2015           ;; for wl-draft-config-sub-template
2016           (cons t wl-draft-config-variables)))))
2017
2018 (defsubst wl-draft-config-exec-sub (clist)
2019   (let (config local-variables)
2020     (while clist
2021       (setq config (car clist))
2022       (cond
2023        ((functionp config)
2024         (funcall config))
2025        ((consp config)
2026         (let ((field (car config))
2027               (content (cdr config))
2028               ret-val)
2029           (cond
2030            ((stringp field)
2031             (wl-draft-replace-field field (eval content) t))
2032            ((setq ret-val (wl-draft-config-sub-func field content))
2033             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2034                 (wl-append local-variables (cdr ret-val))))
2035            ((boundp field) ;; variable
2036             (make-local-variable field)
2037             (set field (eval content))
2038             (wl-append local-variables (list field)))
2039            (t
2040             (error "%s: not variable" field)))))
2041        (t
2042         (error "%s: not supported type" config)))
2043       (setq clist (cdr clist)))
2044     local-variables))
2045
2046 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2047   "Change headers in draft preparation time."
2048   (interactive)
2049   (unless wl-draft-reedit
2050     (let ((config-alist
2051            (or config-alist
2052                (and (boundp 'wl-draft-prepared-config-alist)
2053                     wl-draft-prepared-config-alist)     ;; For compatible.
2054                wl-draft-config-alist)))
2055       (if config-alist
2056           (wl-draft-config-exec config-alist reply-buf)))))
2057
2058 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2059   "Change headers according to the value of `wl-draft-config-alist'.
2060 Automatically applied in draft sending time."
2061   (interactive)
2062   (let ((case-fold-search t)
2063         (alist (or config-alist wl-draft-config-alist))
2064         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2065                                       wl-draft-reply-buffer)))
2066         (local-variables wl-draft-config-variables)
2067         key clist found)
2068     (when (and (or (interactive-p)
2069                    wl-draft-config-exec-flag)
2070                alist)
2071       (save-excursion
2072         (catch 'done
2073           (while alist
2074             (setq key (caar alist)
2075                   clist (cdar alist))
2076             (cond
2077              ((eq key 'reply)
2078               (when (and
2079                      reply-buf
2080                      (save-excursion
2081                        (set-buffer reply-buf)
2082                        (save-restriction
2083                          (std11-narrow-to-header)
2084                          (goto-char (point-min))
2085                          (re-search-forward (car clist) nil t))))
2086                 (wl-draft-config-exec-sub (cdr clist))
2087                 (setq found t)))
2088              ((stringp key)
2089               (when (save-restriction
2090                       (std11-narrow-to-header mail-header-separator)
2091                       (goto-char (point-min))
2092                       (re-search-forward key nil t))
2093                 (wl-append local-variables
2094                            (wl-draft-config-exec-sub clist))
2095                 (setq found t)))
2096              ((eval key)
2097               (wl-append local-variables
2098                          (wl-draft-config-exec-sub clist))
2099               (setq found t)))
2100             (if (and found wl-draft-config-matchone)
2101                 (throw 'done t))
2102             (setq alist (cdr alist))))
2103         (if found
2104             (setq wl-draft-config-exec-flag nil))
2105         (run-hooks 'wl-draft-config-exec-hook)
2106         (put-text-property (point-min)(point-max) 'face nil)
2107         (wl-highlight-message (point-min)(point-max) t)
2108         (setq wl-draft-config-variables
2109               (elmo-uniq-list local-variables))))))
2110
2111 (defun wl-draft-replace-field (field content &optional add)
2112   (save-excursion
2113     (save-restriction
2114       (let ((case-fold-search t)
2115             (inhibit-read-only t) ;; added by teranisi.
2116             beg)
2117         (std11-narrow-to-header mail-header-separator)
2118         (goto-char (point-min))
2119         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2120             (if content
2121                 ;; replace field
2122                 (progn
2123                   (setq beg (point))
2124                   (re-search-forward "^[^ \t]" nil 'move)
2125                   (beginning-of-line)
2126                   (skip-chars-backward "\n")
2127                   (delete-region beg (point))
2128                   (insert " " content))
2129               ;; delete field
2130               (save-excursion
2131                 (beginning-of-line)
2132                 (setq beg (point)))
2133               (re-search-forward "^[^ \t]" nil 'move)
2134               (beginning-of-line)
2135               (delete-region beg (point)))
2136           (when (and add content)
2137             ;; add field
2138             (goto-char (point-max))
2139             (insert (concat field ": " content "\n"))))))))
2140
2141 (defun wl-draft-config-info-operation (msg operation)
2142   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-folder-get-elmo-folder
2143                                              wl-draft-folder)))
2144          (filename
2145           (expand-file-name
2146            (format "%s-%d" wl-draft-config-save-filename msg)
2147            msgdb-dir))
2148          element alist variable)
2149     (cond
2150      ((eq operation 'save)
2151       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2152         (while (setq variable (pop variables))
2153           (when (boundp variable)
2154             (wl-append alist
2155                        (list (cons variable (eval variable))))))
2156         (elmo-object-save filename alist)))
2157      ((eq operation 'load)
2158       (setq alist (elmo-object-load filename))
2159       (while (setq element (pop alist))
2160         (set (make-local-variable (car element)) (cdr element))
2161         (wl-append wl-draft-config-variables (list (car element)))))
2162      ((eq operation 'delete)
2163       (if (file-exists-p filename)
2164           (delete-file filename))))))
2165
2166 (defun wl-draft-queue-info-operation (msg operation
2167                                           &optional add-sent-message-via)
2168   (let* ((msgdb-dir (elmo-folder-msgdb-path
2169                      (wl-folder-get-elmo-folder wl-queue-folder)))
2170          (filename
2171           (expand-file-name
2172            (format "%s-%d" wl-draft-queue-save-filename msg)
2173            msgdb-dir))
2174          element alist variable)
2175     (cond
2176      ((eq operation 'save)
2177       (let ((variables (elmo-uniq-list
2178                         (append wl-draft-queue-save-variables
2179                                 wl-draft-config-variables
2180                                 (list 'wl-draft-fcc-list)))))
2181         (if add-sent-message-via
2182             (progn
2183               (push 'wl-sent-message-queued variables)
2184               (push 'wl-sent-message-via variables)))
2185         (while (setq variable (pop variables))
2186           (when (boundp variable)
2187             (wl-append alist
2188                        (list (cons variable (eval variable))))))
2189         (elmo-object-save filename alist)))
2190      ((eq operation 'load)
2191       (setq alist (elmo-object-load filename))
2192       (while (setq element (pop alist))
2193         (set (make-local-variable (car element)) (cdr element))))
2194      ((eq operation 'get-sent-via)
2195       (setq alist (elmo-object-load filename))
2196       (cdr (assq 'wl-sent-message-via alist)))
2197      ((eq operation 'delete)
2198       (if (file-exists-p filename)
2199           (delete-file filename))))))
2200
2201 (defun wl-draft-queue-append (wl-sent-message-via)
2202   (if wl-draft-verbose-send
2203       (message "Queuing..."))
2204   (let ((send-buffer (current-buffer))
2205         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2206         (message-id (std11-field-body "Message-ID")))
2207     (if (elmo-folder-append-buffer folder t)
2208         (progn
2209           (wl-draft-queue-info-operation
2210            (car (elmo-folder-status folder))
2211            'save wl-sent-message-via)
2212           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2213           (when wl-draft-verbose-send
2214             (setq wl-draft-verbose-msg "Queuing...")
2215             (message "Queuing...done")))
2216       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2217       (error "Queuing failed"))))
2218
2219 (defun wl-draft-queue-flush ()
2220   "Flush draft queue."
2221   (interactive)
2222   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2223          (msgs2 (progn
2224                   (elmo-folder-open-internal queue-folder)
2225                   (elmo-folder-list-messages queue-folder)))
2226          (i 0)
2227          (performed 0)
2228          (wl-draft-queue-flushing t)
2229          msgs failure len buffer msgid sent-via)
2230     ;; get plugged send message
2231     (while msgs2
2232       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2233       (catch 'found
2234         (while sent-via
2235           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2236                      (or (not (nth 2 (car sent-via)))
2237                          (elmo-plugged-p
2238                           (car (nth 2 (car sent-via)))
2239                           (cdr (nth 2 (car sent-via))))))
2240             (wl-append msgs (list (car msgs2)))
2241             (throw 'found t))
2242           (setq sent-via (cdr sent-via))))
2243       (setq msgs2 (cdr msgs2)))
2244     (when (> (setq len (length msgs)) 0)
2245       (if (elmo-y-or-n-p (format
2246                           "%d message(s) are in the sending queue.  Send now? "
2247                           len)
2248                          (not elmo-dop-flush-confirm) t)
2249           (progn
2250             (save-excursion
2251               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2252               (set-buffer buffer)
2253               (while msgs
2254                 ;; reset buffer local variables
2255                 (kill-all-local-variables)
2256                 (erase-buffer)
2257                 (setq i (+ 1 i)
2258                       failure nil)
2259                 (setq wl-sent-message-via nil)
2260                 (wl-draft-queue-info-operation (car msgs) 'load)
2261                 (elmo-message-fetch queue-folder
2262                                     (car msgs)
2263                                     (elmo-make-fetch-strategy 'entire)
2264                                     nil (current-buffer))
2265                 (condition-case err
2266                     (setq failure (funcall
2267                                    wl-draft-queue-flush-send-function
2268                                    (format "Sending (%d/%d)..." i len)))
2269 ;;;               (wl-draft-raw-send nil nil
2270 ;;;                                  (format "Sending (%d/%d)..." i len))
2271                   (error
2272                    (elmo-display-error err t)
2273                    (setq failure t))
2274                   (quit
2275                    (setq failure t)))
2276                 (if (eq wl-sent-message-modified 'requeue)
2277                     (progn
2278                       (elmo-folder-delete-messages
2279                        queue-folder (cons (car msgs) nil))
2280                       (wl-draft-queue-info-operation (car msgs) 'delete))
2281                   (unless failure
2282                     (elmo-folder-delete-messages
2283                      queue-folder (cons (car msgs) nil))
2284                     (wl-draft-queue-info-operation (car msgs) 'delete)
2285                     (setq performed (+ 1 performed))))
2286                 (setq msgs (cdr msgs)))
2287               (kill-buffer buffer)
2288               (message "%d message(s) are sent." performed)))
2289         (message "%d message(s) are remained to be sent." len))
2290       (elmo-folder-close queue-folder)
2291       len)))
2292
2293 (defun wl-jump-to-draft-buffer (&optional arg)
2294   "Jump to the draft if exists."
2295   (interactive "P")
2296   (if arg
2297       (wl-jump-to-draft-folder)
2298     (let ((draft-bufs (wl-collect-draft))
2299           buf)
2300       (cond
2301        ((null draft-bufs)
2302         (message "No draft buffer exist."))
2303        (t
2304         (setq draft-bufs
2305               (sort (mapcar 'buffer-name draft-bufs)
2306                     (function (lambda (a b)
2307                                 (not (string< a b))))))
2308         (if (setq buf (cdr (member (buffer-name)
2309                                    draft-bufs)))
2310             (setq buf (car buf))
2311           (setq buf (car draft-bufs)))
2312         (switch-to-buffer buf))))))
2313
2314 (defun wl-jump-to-draft-folder ()
2315   (let ((msgs (reverse (elmo-folder-list-messages (wl-folder-get-elmo-folder
2316                                                    wl-draft-folder))))
2317         (mybuf (buffer-name))
2318         msg buf)
2319     (if (not msgs)
2320         (message "No draft message exist.")
2321       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2322           (setq msg (cadr (memq
2323                            (string-to-int (substring mybuf (match-end 0)))
2324                            msgs))))
2325       (or msg (setq msg (car msgs)))
2326       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2327           (switch-to-buffer buf)
2328         (wl-draft-reedit msg)))))
2329
2330 (defun wl-draft-highlight-and-recenter (&optional n)
2331   (interactive "P")
2332   (when wl-highlight-body-too
2333     (let ((modified (buffer-modified-p)))
2334       (unwind-protect
2335           (progn
2336             (put-text-property (point-min) (point-max) 'face nil)
2337             (wl-highlight-message (point-min) (point-max) t))
2338         (set-buffer-modified-p modified))))
2339   (recenter n))
2340
2341 ;;;; user-agent support by Sen Nagata
2342
2343 ;; this appears to be necessarily global...
2344 (defvar wl-user-agent-compose-p nil)
2345 (defvar wl-user-agent-headers-and-body-alist nil)
2346
2347 ;; this should be a generic function for mail-mode -- i wish there was
2348 ;; something like it in sendmail.el
2349 (defun wl-user-agent-insert-header (header-name header-value)
2350   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2351   ;; it seems like overriding existing headers is acceptable -- should
2352   ;; we provide an option?
2353
2354   ;; plan was: unfold header (might be folded), remove existing value, insert
2355   ;;           new value
2356   ;; wl doesn't seem to fold header lines yet anyway :-)
2357
2358   (let ((kill-whole-line t)
2359         end-of-line)
2360     (mail-position-on-field (capitalize header-name))
2361     (setq end-of-line (point))
2362     (beginning-of-line)
2363     (re-search-forward ":" end-of-line)
2364     (insert (concat " " header-value "\n"))
2365     (kill-line)))
2366
2367 ;; this should be a generic function for mail-mode -- i wish there was
2368 ;; something like it in sendmail.el
2369 ;;
2370 ;; ** haven't dealt w/ case where the body is already set **
2371 (defun wl-user-agent-insert-body (body-text)
2372   "Insert a body of text, BODY-TEXT, into a message."
2373   ;; code defensively... :-P
2374   (goto-char (point-min))
2375   (search-forward mail-header-separator)
2376   (forward-line 1)
2377   (insert body-text))
2378
2379 ;;;###autoload
2380 (defun wl-user-agent-compose (&optional to subject other-headers continue
2381                                         switch-function yank-action
2382                                         send-actions)
2383   "Support the `compose-mail' interface for wl.
2384 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2385 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2386 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2387
2388   (unless (featurep 'wl)
2389     (require 'wl))
2390   ;; protect these -- to and subject get bound at some point, so it looks
2391   ;; to be necessary to protect the values used w/in
2392   (let ((wl-user-agent-headers-and-body-alist other-headers)
2393         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2394         (wl-draft-reply-buffer-style 'split))
2395     (when (eq switch-function 'switch-to-buffer-other-window)
2396       (when (one-window-p t)
2397         (if (window-minibuffer-p) (other-window 1))
2398         (split-window))
2399       (other-window 1))
2400     (if to
2401         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2402                                    'ignore-case)
2403             (setcdr
2404              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2405                                     'ignore-case)
2406              to)
2407           (setq wl-user-agent-headers-and-body-alist
2408                 (cons (cons "to" to)
2409                       wl-user-agent-headers-and-body-alist))))
2410     (if subject
2411         (if (wl-string-match-assoc "subject"
2412                                    wl-user-agent-headers-and-body-alist
2413                                    'ignore-case)
2414             (setcdr
2415              (wl-string-match-assoc "subject"
2416                                     wl-user-agent-headers-and-body-alist
2417                                     'ignore-case)
2418              subject)
2419           (setq wl-user-agent-headers-and-body-alist
2420                 (cons (cons "subject" subject)
2421                       wl-user-agent-headers-and-body-alist))))
2422     ;; i think this is what we want to use...
2423     (unwind-protect
2424         (progn
2425           ;; tell the hook-function to do its stuff
2426           (setq wl-user-agent-compose-p t)
2427           ;; because to get the hooks working, wl-draft has to think it has
2428           ;; been called interactively
2429           (call-interactively 'wl-draft))
2430       (setq wl-user-agent-compose-p nil))))
2431
2432 (defun wl-user-agent-compose-internal ()
2433   "Manipulate headers and/or a body of a draft message."
2434   ;; being called from wl-user-agent-compose?
2435   (if wl-user-agent-compose-p
2436       (progn
2437         ;; insert headers
2438         (let ((headers wl-user-agent-headers-and-body-alist)
2439               (case-fold-search t))
2440           (while headers
2441             ;; skip body
2442             (if (not (string-match "^body$" (car (car headers))))
2443                 (wl-user-agent-insert-header
2444                  (car (car headers)) (cdr (car headers)))
2445               t)
2446             (setq headers (cdr headers))))
2447         ;; highlight headers (from wl-draft in wl-draft.el)
2448         (wl-highlight-headers 'for-draft)
2449         ;; insert body
2450         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2451                                    'ignore-case)
2452             (wl-user-agent-insert-body
2453              (cdr (wl-string-match-assoc
2454                    "body"
2455                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2456     t))
2457
2458 (require 'product)
2459 (product-provide (provide 'wl-draft) (require 'wl-version))
2460
2461 ;;; wl-draft.el ends here