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                            (cond
 352                             ((stringp (car condition))
 353                              (or (std11-field-body (car condition))
 354                                  (throw 'done nil)))
 355                             ((symbolp (car condition))
 356                              (or (funcall (car condition))
 357                                  (throw 'done nil)))
 358                             (t
 359                              (debug)))
 360                            (setq condition (cdr condition)))
 361                          t))
 362                       ((symbolp condition)
 363                        (funcall condition))))
 364           (let ((r-to-list (nth 0 (cdr (car r-list))))
 365                 (r-cc-list (nth 1 (cdr (car r-list))))
 366                 (r-ng-list (nth 2 (cdr (car r-list)))))
 367             (when (and (member "Followup-To" r-ng-list)
 368                        (string= (std11-field-body "Followup-To") "poster"))
 369               (setq r-to-list (cons "From" r-to-list))
 370               (setq r-ng-list (delete "Followup-To"
 371                                       (copy-sequence r-ng-list))))
 372             (if (and r-to-list (symbolp r-to-list))
 373                 (setq to (wl-concat-list (funcall r-to-list) ","))
 374               (setq to (wl-concat-list (cons to
 375                                              (elmo-multiple-fields-body-list
 376                                               r-to-list))
 377                                        ",")))
 378             (if (and r-cc-list (symbolp r-cc-list))
 379                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 380               (setq cc (wl-concat-list (cons cc
 381                                              (elmo-multiple-fields-body-list
 382                                               r-cc-list))
 383                                        ",")))
 384             (if (and r-ng-list (symbolp r-ng-list))
 385                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 386               (setq newsgroups (wl-concat-list (cons newsgroups
 387                                                      (std11-field-bodies
 388                                                       r-ng-list))
 389                                                ","))))
 390           (throw 'done nil))
 391         (setq r-list (cdr r-list)))
 392       (error "No match field: check your `%s'"
 393              (symbol-name (wl-draft-reply-list-symbol with-arg))))
 394     (setq subject (std11-field-body "Subject"))
 395     (setq to (wl-parse-addresses to)
 396           cc (wl-parse-addresses cc))
 397     (with-temp-buffer                   ; to keep raw buffer unibyte.
 398       (elmo-set-buffer-multibyte default-enable-multibyte-characters)
 399       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 400       (setq subject (if (and subject decoder)
 401                         (funcall decoder subject) subject))
 402       (setq to-alist
 403             (mapcar
 404              (lambda (addr)
 405                (setq decoder (mime-find-field-decoder 'To 'plain))
 406                (cons (nth 1 (std11-extract-address-components addr))
 407                      (if decoder (funcall decoder addr) addr)))
 408              to))
 409       (setq cc-alist
 410             (mapcar
 411              (lambda (addr)
 412                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 413                (cons (nth 1 (std11-extract-address-components addr))
 414                      (if decoder (funcall decoder addr) addr)))
 415              cc)))
 416     (and wl-reply-subject-prefix
 417          (setq subject (concat wl-reply-subject-prefix
 418                                (wl-draft-strip-subject-re
 419                                 (or subject "")))))
 420     (setq in-reply-to (std11-field-body "Message-Id"))
 421     (setq references (nconc
 422                       (std11-field-bodies '("References" "In-Reply-To"))
 423                       (list in-reply-to)))
 424     (setq to (delq nil (mapcar 'car to-alist)))
 425     (setq cc (delq nil (mapcar 'car cc-alist)))
 426     ;; if subscribed mailing list is contained in cc or to
 427     ;; and myself is contained in cc,
 428     ;; delete myself from cc.
 429     (setq cc (wl-draft-delete-myself-from-cc to cc))
 430     (when wl-insert-mail-followup-to
 431       (setq mail-followup-to
 432             (wl-draft-make-mail-followup-to (append to cc)))
 433       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 434     (with-temp-buffer                   ; to keep raw buffer unibyte.
 435       (elmo-set-buffer-multibyte default-enable-multibyte-characters)
 436       (setq newsgroups (wl-parse newsgroups
 437                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 438             newsgroups (wl-delete-duplicates newsgroups)
 439             newsgroups
 440             (if newsgroups
 441                 (mapconcat
 442                  (lambda (grp)
 443                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 444                    (if decoder (funcall decoder grp) grp))
 445                  newsgroups ","))))
 446     (setq to (wl-delete-duplicates to nil t))
 447     (setq cc (wl-delete-duplicates
 448               (append (wl-delete-duplicates cc nil t)
 449                       to (copy-sequence to))
 450               t t))
 451     (and to (setq to (mapconcat
 452                       '(lambda (addr)
 453                          (if wl-draft-reply-use-address-with-full-name
 454                              (or (cdr (assoc addr to-alist)) addr)
 455                            addr))
 456                       to ",\n\t")))
 457     (and cc (setq cc (mapconcat
 458                       '(lambda (addr)
 459                          (if wl-draft-reply-use-address-with-full-name
 460                              (or (cdr (assoc addr cc-alist)) addr)
 461                            addr))
 462                       cc ",\n\t")))
 463     (and mail-followup-to
 464          (setq mail-followup-to
 465                (mapconcat
 466                 '(lambda (addr)
 467                    (if wl-draft-reply-use-address-with-full-name
 468                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 469                      addr))
 470                 mail-followup-to ",\n\t")))
 471     (and (null to) (setq to cc cc nil))
 472     (setq references (delq nil references)
 473           references (mapconcat 'identity references " ")
 474           references (wl-draft-parse-msg-id-list-string references)
 475           references (wl-delete-duplicates references)
 476           references (if references
 477                          (mapconcat 'identity references "\n\t")))
 478     (and wl-draft-use-frame
 479          (get-buffer-window summary-buf)
 480          (select-window (get-buffer-window summary-buf)))
 481     (wl-draft (list (cons 'To to)
 482                     (cons 'Cc cc)
 483                     (cons 'Newsgroups newsgroups)
 484                     (cons 'Subject subject)
 485                     (cons 'In-Reply-To in-reply-to)
 486                     (cons 'References references)
 487                     (cons 'Mail-Followup-To mail-followup-to))
 488               nil nil nil nil parent-folder)
 489     (setq wl-draft-reply-buffer buf))
 490   (run-hooks 'wl-reply-hook))
 491
 492 (defun wl-draft-add-references ()
 493   (wl-draft-add-in-reply-to "References"))
 494
 495 (defun wl-draft-add-in-reply-to (&optional alt-field)
 496   (let* ((mes-id (save-excursion
 497                    (set-buffer mail-reply-buffer)
 498                    (std11-field-body "message-id")))
 499          (field (or alt-field "In-Reply-To"))
 500          (ref (std11-field-body field))
 501          (ref-list nil) (st nil))
 502     (when (and mes-id ref)
 503       (while (string-match "<[^>]+>" ref st)
 504         (setq ref-list
 505               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 506                     ref-list)))
 507       (when (and ref-list
 508                  (member mes-id ref-list))
 509         (setq mes-id nil)))
 510     (when mes-id
 511       (save-excursion
 512         (when (mail-position-on-field field)
 513           (forward-line)
 514           (while (looking-at "^[ \t]")
 515             (forward-line))
 516           (setq mes-id (concat "\t" mes-id "\n")))
 517         (insert mes-id))
 518       t)))
 519
 520 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 521                                              &optional ignored-fields)
 522   (interactive)
 523   (save-restriction
 524     (narrow-to-region (point)(point))
 525     (insert
 526      (with-current-buffer mail-reply-buffer
 527        (when decode-it
 528          (decode-mime-charset-region (point-min) (point-max)
 529                                      wl-mime-charset))
 530        (buffer-substring-no-properties
 531         (point-min) (point-max))))
 532     (when ignored-fields
 533       (goto-char (point-min))
 534       (wl-draft-delete-fields ignored-fields))
 535     (goto-char (point-max))
 536     (push-mark (point) nil t)
 537     (goto-char (point-min)))
 538   (let ((beg (point)))
 539     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 540           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 541           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 542     (run-hooks 'wl-draft-cited-hook)
 543     (when (if wl-draft-add-references
 544               (wl-draft-add-references)
 545             (if wl-draft-add-in-reply-to
 546                 (wl-draft-add-in-reply-to)))
 547       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 548     (when wl-highlight-body-too
 549       (wl-highlight-body-region beg (point-max)))))
 550
 551 (defun wl-message-news-p ()
 552   "If exist valid Newsgroups field, return non-nil."
 553   (std11-field-body "Newsgroups"))
 554
 555 (defun wl-message-field-exists-p (field)
 556   "If FIELD exist and FIELD value is not empty, return non-nil."
 557   (let ((value (std11-field-body field)))
 558     (and value
 559          (not (string= value "")))))
 560
 561 (defun wl-message-mail-p ()
 562   "If exist To, Cc or Bcc field, return non-nil."
 563   (or (wl-message-field-exists-p "To")
 564       (wl-message-field-exists-p "Resent-to")
 565       (wl-message-field-exists-p "Cc")
 566       (wl-message-field-exists-p "Bcc")
 567       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 568 ;;; This may be needed..
 569 ;;;   (wl-message-field-exists-p "Fcc")
 570       ))
 571
 572 (defun wl-draft-edit-string (string)
 573   (let ((cur-buf (current-buffer))
 574         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 575         to subject in-reply-to cc references newsgroups mail-followup-to
 576         content-type content-transfer-encoding from
 577         body-beg)
 578     (set-buffer tmp-buf)
 579     (erase-buffer)
 580     (insert string)
 581     (setq to (std11-field-body "To"))
 582     (setq to (and to
 583                   (eword-decode-string
 584                    (decode-mime-charset-string
 585                     to
 586                     wl-mime-charset))))
 587     (setq subject (std11-field-body "Subject"))
 588     (setq subject (and subject
 589                        (eword-decode-string
 590                         (decode-mime-charset-string
 591                          subject
 592                          wl-mime-charset))))
 593     (setq from (std11-field-body "From")
 594           from (and from
 595                     (eword-decode-string
 596                      (decode-mime-charset-string
 597                       from
 598                       wl-mime-charset))))
 599     (setq in-reply-to (std11-field-body "In-Reply-To"))
 600     (setq cc (std11-field-body "Cc"))
 601     (setq cc (and cc
 602                   (eword-decode-string
 603                    (decode-mime-charset-string
 604                     cc
 605                     wl-mime-charset))))
 606     (setq references (std11-field-body "References"))
 607     (setq newsgroups (std11-field-body "Newsgroups"))
 608     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 609     (setq content-type (std11-field-body "Content-Type"))
 610     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 611     (goto-char (point-min))
 612     (or (re-search-forward "\n\n" nil t)
 613         (search-forward (concat mail-header-separator "\n") nil t))
 614     (unwind-protect
 615         (set-buffer
 616          (wl-draft (list
 617                     (cons 'From
 618                           (if (member
 619                                (nth 1 (std11-extract-address-components from))
 620                                wl-user-mail-address-list)
 621                               from))
 622                     (cons 'To to)
 623                     (cons 'Cc cc)
 624                     (cons 'Subject subject)
 625                     (cons 'Newsgroups newsgroups)
 626                     (cons 'Mail-Followup-To mail-followup-to)
 627                     (cons 'In-Reply-To in-reply-to)
 628                     (cons 'References references))
 629                    content-type content-transfer-encoding
 630                    (buffer-substring (point) (point-max))
 631                    'edit-again))
 632       (and to (mail-position-on-field "To"))
 633       (delete-other-windows)
 634       (kill-buffer tmp-buf)))
 635   (run-hooks 'wl-draft-reedit-hook))
 636
 637 (defun wl-draft-insert-current-message (dummy)
 638   (interactive)
 639   (let (original-buffer
 640         mail-reply-buffer
 641         mail-citation-hook mail-yank-hooks
 642         wl-draft-add-references wl-draft-add-in-reply-to
 643         wl-draft-cite-function)
 644     (with-current-buffer wl-draft-buffer-cur-summary-buffer
 645       (with-current-buffer wl-message-buffer
 646         (setq original-buffer (wl-message-get-original-buffer))
 647         (if (zerop
 648              (with-current-buffer original-buffer
 649                (buffer-size)))
 650             (error "No current message"))))
 651     (setq mail-reply-buffer original-buffer)
 652     (wl-draft-yank-from-mail-reply-buffer
 653      nil
 654      wl-ignored-forwarded-headers)))
 655
 656 (defun wl-draft-insert-get-message (dummy)
 657   (let ((fld (completing-read
 658               "Folder name: "
 659               (if (memq 'read-folder wl-use-folder-petname)
 660                   (wl-folder-get-entity-with-petname)
 661                 wl-folder-entity-hashtb)
 662               nil nil wl-default-spec
 663               'wl-read-folder-hist))
 664         (number (call-interactively
 665                  (function (lambda (num)
 666                              (interactive "nNumber: ")
 667                              num))))
 668         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 669         mail-citation-hook mail-yank-hooks
 670         wl-draft-cite-function)
 671     (unwind-protect
 672         (progn
 673           (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 674                               number
 675                               ;; No cache.
 676                               (elmo-make-fetch-strategy 'entire)
 677                               nil mail-reply-buffer)
 678           (wl-draft-yank-from-mail-reply-buffer nil))
 679       (kill-buffer mail-reply-buffer))))
 680
 681 ;;
 682 ;; default body citation func
 683 ;;
 684 (defun wl-default-draft-cite ()
 685   (let ((mail-yank-ignored-headers "[^:]+:")
 686         (mail-yank-prefix "> ")
 687         (summary-buf wl-current-summary-buffer)
 688         (message-buf (get-buffer (wl-current-message-buffer)))
 689         from date cite-title num entity)
 690     (if (and summary-buf
 691              (buffer-live-p summary-buf)
 692              message-buf
 693              (buffer-live-p message-buf))
 694         (progn
 695           (with-current-buffer summary-buf
 696             (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
 697               (setq num (save-excursion
 698                           (set-buffer message-buf)
 699                           wl-message-buffer-cur-number))
 700               (setq entity (elmo-msgdb-overview-get-entity
 701                             num (wl-summary-buffer-msgdb)))
 702               (setq date (elmo-msgdb-overview-entity-get-date entity))
 703               (setq from (elmo-msgdb-overview-entity-get-from entity))))
 704           (setq cite-title (format "At %s,\n%s wrote:"
 705                                    (or date "some time ago")
 706                                    (if wl-default-draft-cite-decorate-author
 707                                        (funcall wl-summary-from-function
 708                                                 (or from "you"))
 709                                      (or from "you"))))))
 710     (and cite-title
 711          (insert cite-title "\n"))
 712     (mail-indent-citation)))
 713
 714 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 715 (defun wl-draft-yank-to-draft-buffer (buffer)
 716   "Yank BUFFER content to `wl-draft-buffer'."
 717   (set-buffer wl-draft-buffer)
 718   (let ((mail-reply-buffer buffer))
 719     (wl-draft-yank-from-mail-reply-buffer nil)
 720     (kill-buffer buffer)))
 721
 722 (defun wl-draft-yank-original (&optional arg)
 723   "Yank original message."
 724   (interactive "P")
 725   (if arg
 726       (let (buf mail-reply-buffer)
 727         (elmo-set-work-buf
 728          (yank)
 729          (setq buf (current-buffer)))
 730         (setq mail-reply-buffer buf)
 731         (wl-draft-yank-from-mail-reply-buffer nil))
 732     (wl-draft-yank-current-message-entity)))
 733
 734 (defun wl-draft-hide (editing-buffer)
 735   "Hide the editing draft buffer if possible."
 736   (when (and editing-buffer
 737              (buffer-live-p editing-buffer))
 738     (set-buffer editing-buffer)
 739     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 740           fld-buf sum-win fld-win)
 741       (if (and wl-draft-use-frame
 742                (> (length (visible-frame-list)) 1))
 743           ;; hide draft frame
 744           (delete-frame)
 745         ;; hide draft window
 746         (or (one-window-p)
 747             (delete-window))
 748         ;; stay folder window if required
 749         (when wl-stay-folder-window
 750           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 751               (if (setq fld-win (get-buffer-window fld-buf))
 752                   (select-window fld-win)
 753                 (if wl-draft-resume-folder-window ;; resume folder window
 754                     (switch-to-buffer fld-buf)))))
 755         (if (buffer-live-p sum-buf)
 756             (if (setq sum-win (get-buffer-window sum-buf t))
 757                 ;; if Summary is on the frame, select it.
 758                 (select-window sum-win)
 759               ;; if summary is not on the frame, switch to it.
 760               (if (and wl-stay-folder-window
 761                        (or wl-draft-resume-folder-window fld-win))
 762                   (wl-folder-select-buffer sum-buf)
 763                 (switch-to-buffer sum-buf))))))))
 764
 765 (defun wl-draft-delete (editing-buffer)
 766   "Kill the editing draft buffer and delete the file corresponds to it."
 767   (save-excursion
 768     (when editing-buffer
 769       (set-buffer editing-buffer)
 770       (if wl-draft-buffer-file-name
 771           (progn
 772             (if (file-exists-p wl-draft-buffer-file-name)
 773                 (delete-file wl-draft-buffer-file-name))
 774             (let ((msg (and wl-draft-buffer-file-name
 775                             (string-match "[0-9]+$" wl-draft-buffer-file-name)
 776                             (string-to-int
 777                              (match-string 0 wl-draft-buffer-file-name)))))
 778               (wl-draft-config-info-operation msg 'delete))))
 779       (set-buffer-modified-p nil)               ; force kill
 780       (kill-buffer editing-buffer))))
 781
 782 (defun wl-draft-kill (&optional force-kill)
 783   "Kill current draft buffer and quit editing."
 784   (interactive "P")
 785   (save-excursion
 786     (when (and (or (eq major-mode 'wl-draft-mode)
 787                    (eq major-mode 'mail-mode))
 788                (or force-kill
 789                    (y-or-n-p "Kill Current Draft? ")))
 790       (let ((cur-buf (current-buffer)))
 791         (wl-draft-hide cur-buf)
 792         (wl-draft-delete cur-buf)))
 793     (message "")))
 794
 795 (defun wl-draft-fcc ()
 796   "Add a new Fcc field, with file name completion."
 797   (interactive)
 798   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 799       (mail-position-on-field "to"))
 800   (insert "\nFcc: "))
 801
 802 ;; Imported from message.el.
 803 (defun wl-draft-elide-region (b e)
 804   "Elide the text in the region.
 805 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 806 text was killed."
 807   (interactive "r")
 808   (kill-region b e)
 809   (insert wl-draft-elide-ellipsis))
 810
 811 ;; Imported from message.el.
 812 (defun wl-draft-beginning-of-line (&optional n)
 813   "Move point to beginning of header value or to beginning of line."
 814   (interactive "p")
 815   (let ((zrs 'zmacs-region-stays))
 816     (when (and (interactive-p) (boundp zrs))
 817       (set zrs t)))
 818   (if (wl-draft-point-in-header-p)
 819       (let* ((here (point))
 820              (bol (progn (beginning-of-line n) (point)))
 821              (eol (line-end-position))
 822              (eoh (and (looking-at "[^ \t]")
 823                        (re-search-forward ": *" eol t))))
 824         (if (and eoh (or (> here eoh) (= here bol)))
 825             (goto-char eoh)
 826           (goto-char bol)))
 827     (beginning-of-line n)))
 828
 829 (defun wl-draft-point-in-header-p ()
 830   "Return t if point is in the header."
 831   (save-excursion
 832     (let ((p (point)))
 833       (goto-char (point-min))
 834       (not (re-search-forward
 835             (concat "^" (regexp-quote mail-header-separator) "\n")
 836             p t)))))
 837
 838 ;; function for wl-sent-message-via
 839
 840 (defmacro wl-draft-sent-message-p (type)
 841   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 842
 843 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 844   (` (let ((element (assq (, type) wl-sent-message-via)))
 845        (if element
 846            (unless (eq (nth 1 element) (, result))
 847              (setcdr element (list (, result) (, server-port)))
 848              (setq wl-sent-message-modified t))
 849          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 850          (setq wl-sent-message-modified t)))))
 851
 852 (defun wl-draft-sent-message-results ()
 853   (let ((results wl-sent-message-via)
 854         unplugged-via sent-via)
 855     (while results
 856       (cond ((eq (nth 1 (car results)) 'unplugged)
 857              (push (caar results) unplugged-via))
 858             ((eq (nth 1 (car results)) 'sent)
 859              (push (caar results) sent-via)))
 860       (setq results (cdr results)))
 861     (list unplugged-via sent-via)))
 862
 863 (defun wl-draft-write-sendlog (status proto server to id)
 864   "Write send log file, if `wl-draft-sendlog' is non-nil."
 865   (when wl-draft-sendlog
 866     (with-temp-buffer
 867       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 868                                          elmo-msgdb-directory))
 869              (filesize (nth 7 (file-attributes filename)))
 870              (server (if server (concat " server=" server) ""))
 871              (to (if to (cond
 872                          ((memq proto '(fcc queue))
 873                           (format " folder=\"%s\"" to))
 874                          ((eq proto 'nntp)
 875                           (format " ng=<%s>" to))
 876                          (t
 877                           (concat " to="
 878                                   (mapconcat
 879                                    'identity
 880                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 881                                    ","))))
 882                    ""))
 883              (id (if id (concat " id=" id) ""))
 884              (time (format-time-string "%Y/%m/%d %T")))
 885         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 886                         time proto status server to id))
 887         (if (and wl-draft-sendlog-max-size filesize
 888                  (> filesize wl-draft-sendlog-max-size))
 889             (rename-file filename (concat filename ".old") t))
 890         (if (file-writable-p filename)
 891             (write-region-as-binary (point-min) (point-max)
 892                                     filename t 'no-msg)
 893           (message "%s is not writable." filename))))))
 894
 895 (defun wl-draft-get-header-delimiter (&optional delete)
 896   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 897   (let (delimline)
 898     (goto-char (point-min))
 899     (when (re-search-forward
 900            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 901       (replace-match "")
 902       (if delete
 903           (forward-char -1))
 904       (setq delimline (point-marker)))
 905     delimline))
 906
 907 (defun wl-draft-send-mail-with-qmail ()
 908   "Pass the prepared message buffer to qmail-inject.
 909 Refer to the documentation for the variable `send-mail-function'
 910 to find out how to use this."
 911   (if (and wl-draft-qmail-send-plugged
 912            (not (elmo-plugged-p)))
 913       (wl-draft-set-sent-message 'mail 'unplugged)
 914     ;; send the message
 915     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 916     (let ((id (std11-field-body "Message-ID"))
 917           (to (std11-field-body "To")))
 918       (case
 919           (as-binary-process
 920            (apply
 921             'call-process-region 1 (point-max) wl-qmail-inject-program
 922             nil nil nil
 923             wl-qmail-inject-args))
 924         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 925         ;; we have to look at the retval instead
 926         (0   (progn
 927                (wl-draft-set-sent-message 'mail 'sent)
 928                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 929         (1   (error "`qmail-inject' reported permanent failure"))
 930         (111 (error "`qmail-inject' reported transient failure"))
 931         ;; should never happen
 932         (t   (error "`qmail-inject' reported unknown failure"))))))
 933
 934 (defun wl-draft-parse-msg-id-list-string (string)
 935   "Get msg-id list from STRING."
 936   (let (msg-id-list)
 937     (dolist (parsed-id (std11-parse-msg-ids-string string))
 938       (when (eq (car parsed-id) 'msg-id)
 939         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 940                                 msg-id-list))))
 941     (nreverse msg-id-list)))
 942
 943 (defun wl-draft-eword-encode-address-list (string &optional column)
 944   "Encode header field STRING as list of address, and return the result.
 945 Cause an error when STRING contains invalid address.
 946 Optional argument COLUMN is start-position of the field."
 947   (car (eword-encode-rword-list
 948         (or column eword-encode-default-start-column)
 949         (eword-encode-addresses-to-rword-list
 950          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 951
 952 (defun wl-draft-std11-parse-addresses (lal)
 953   (let ((ret (std11-parse-address lal)))
 954     (when (and (not (and (eq (length lal) 1)
 955                          (eq (car (car lal)) 'spaces)))
 956                (null ret))
 957       (error "Error while parsing address"))
 958     (if ret
 959         (let ((dest (list (car ret))))
 960           (setq lal (cdr ret))
 961           (while (and (setq ret (std11-parse-ascii-token lal))
 962                       (string-equal (cdr (assq 'specials (car ret))) ",")
 963                       (setq ret (std11-parse-address (cdr ret)))
 964                       )
 965             (setq dest (cons (car ret) dest))
 966             (setq lal (cdr ret)))
 967           (while (eq 'spaces (car (car lal)))
 968             (setq lal (cdr lal)))
 969           (if lal (error "Error while parsing address"))
 970           (nreverse dest)))))
 971
 972 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 973   "Get mailbox list of FIELD from current buffer.
 974 The buffer is expected to be narrowed to just the headers of the message.
 975 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 976 from current buffer."
 977   (save-excursion
 978     (let ((case-fold-search t)
 979           (inhibit-read-only t)
 980           addresses address
 981           mailbox-list beg seq has-group-list)
 982       (goto-char (point-min))
 983       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 984                                 nil t)
 985         (setq beg (point))
 986         (re-search-forward "^[^ \t]" nil 'move)
 987         (beginning-of-line)
 988         (skip-chars-backward "\n")
 989         (setq seq (std11-lexical-analyze
 990                    (buffer-substring-no-properties beg (point))))
 991         (setq addresses (wl-draft-std11-parse-addresses seq))
 992         (while addresses
 993           (cond ((eq (car (car addresses)) 'group)
 994                  (setq has-group-list t)
 995                  (setq mailbox-list
 996                        (nconc mailbox-list
 997                               (mapcar
 998                                'std11-address-string
 999                                (nth 2 (car addresses))))))
1000                 ((eq (car (car addresses)) 'mailbox)
1001                  (setq address (nth 1 (car addresses)))
1002                  (setq mailbox-list
1003                        (nconc mailbox-list
1004                               (list
1005                                (std11-addr-to-string
1006                                 (if (eq (car address) 'phrase-route-addr)
1007                                     (nth 2 address)
1008                                   (cdr address))))))))
1009           (setq addresses (cdr addresses)))
1010         (when (and remove-group-list has-group-list)
1011           (delete-region beg (point))
1012           (insert (wl-address-string-without-group-list-contents seq))))
1013       mailbox-list)))
1014
1015 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1016   "Get address list suitable for smtp RCPT TO:<address>.
1017 Group list content is removed if `wl-draft-remove-group-list-contents' is
1018 non-nil."
1019   (let ((fields (if (and wl-draft-doing-mime-bcc
1020                          wl-draft-disable-bcc-for-mime-bcc)
1021                     '("to" "cc")
1022                   '("to" "cc" "bcc")))
1023         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1024         (case-fold-search t)
1025         addrs recipients)
1026     (save-excursion
1027       (save-restriction
1028         (narrow-to-region header-start header-end)
1029         (goto-char (point-min))
1030         (save-excursion
1031           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1032               (setq fields resent-fields)))
1033         (while fields
1034           (setq recipients
1035                 (nconc recipients
1036                        (wl-draft-parse-mailbox-list
1037                         (car fields)
1038                         wl-draft-remove-group-list-contents)))
1039           (setq fields (cdr fields)))
1040         recipients))))
1041
1042 ;;
1043 ;; from Semi-gnus
1044 ;;
1045 (defun wl-draft-send-mail-with-smtp ()
1046   "Send the prepared message buffer with SMTP."
1047   (require 'smtp)
1048   (let* ((errbuf (if mail-interactive
1049                      (generate-new-buffer " smtp errors")
1050                    0))
1051          (case-fold-search t)
1052          (default-case-fold-search t)
1053          (sender (or wl-envelope-from
1054                      (wl-address-header-extract-address wl-from)))
1055          (delimline (save-excursion
1056                       (goto-char (point-min))
1057                       (re-search-forward
1058                        (concat "^" (regexp-quote mail-header-separator)
1059                                "$\\|^$") nil t)
1060                       (point-marker)))
1061          (smtp-server
1062           (or wl-smtp-posting-server smtp-server "localhost"))
1063          (smtp-service (or wl-smtp-posting-port smtp-service))
1064          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1065          (id (std11-field-body "message-id"))
1066          recipients)
1067     (if (not (elmo-plugged-p smtp-server smtp-service))
1068         (wl-draft-set-sent-message 'mail 'unplugged
1069                                    (cons smtp-server smtp-service))
1070       (unwind-protect
1071           (save-excursion
1072             ;; Instead of `smtp-deduce-address-list'.
1073             (setq recipients (wl-draft-deduce-address-list
1074                               (current-buffer) (point-min) delimline))
1075             (unless recipients (error "No recipients"))
1076             ;; Insert an extra newline if we need it to work around
1077             ;; Sun's bug that swallows newlines.
1078             (goto-char (1+ delimline))
1079             (if (eval mail-mailer-swallows-blank-line)
1080                 (newline))
1081             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1082             (if mail-interactive
1083                 (save-excursion
1084                   (set-buffer errbuf)
1085                   (erase-buffer)))
1086             (wl-draft-delete-field "bcc" delimline)
1087             (wl-draft-delete-field "resent-bcc" delimline)
1088             (let (process-connection-type)
1089               (as-binary-process
1090                (when recipients
1091                  (wl-smtp-extension-bind
1092                   (condition-case err
1093                       (smtp-send-buffer sender recipients (current-buffer))
1094                     (error
1095                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1096                                              recipients id)
1097                      (if (and (eq (car err) 'smtp-response-error)
1098                               (= (nth 1 err) 535))
1099                          (elmo-remove-passwd
1100                           (wl-smtp-password-key
1101                            smtp-sasl-user-name
1102                            (car smtp-sasl-mechanisms)
1103                            smtp-server)))
1104                      (signal (car err) (cdr err)))
1105                     (quit
1106                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1107                                              recipients id)
1108                      (signal (car err) (cdr err)))))
1109                  (wl-draft-set-sent-message 'mail 'sent)
1110                  (wl-draft-write-sendlog
1111                   'ok 'smtp smtp-server recipients id)))))
1112         (if (bufferp errbuf)
1113             (kill-buffer errbuf))))))
1114
1115 (defun wl-draft-send-mail-with-pop-before-smtp ()
1116   "Send the prepared message buffer with POP-before-SMTP."
1117   (require 'elmo-pop3)
1118   (let ((session
1119          (luna-make-entity
1120           'elmo-pop3-folder
1121           :user   (or wl-pop-before-smtp-user
1122                       elmo-pop3-default-user)
1123           :server (or wl-pop-before-smtp-server
1124                       elmo-pop3-default-server)
1125           :port   (or wl-pop-before-smtp-port
1126                       elmo-pop3-default-port)
1127           :auth   (or wl-pop-before-smtp-authenticate-type
1128                       elmo-pop3-default-authenticate-type)
1129           :stream-type (or wl-pop-before-smtp-stream-type
1130                            elmo-pop3-default-stream-type))))
1131     (condition-case error
1132         (progn
1133           (elmo-pop3-get-session session)
1134           (when session (elmo-network-close-session session)))
1135       (error
1136        (elmo-network-close-session session)
1137        (unless (string= (nth 1 error) "Unplugged")
1138          (signal (car error)(cdr error))))))
1139   (wl-draft-send-mail-with-smtp))
1140
1141 (defun wl-draft-insert-required-fields (&optional force-msgid)
1142   "Insert Message-ID, Date, and From field.
1143 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1144   ;; Insert Message-Id field...
1145   (goto-char (point-min))
1146   (when (and (or force-msgid
1147                  wl-insert-message-id)
1148              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1149     (insert (concat "Message-ID: "
1150                     (funcall wl-message-id-function)
1151                     "\n")))
1152   ;; Insert date field.
1153   (goto-char (point-min))
1154   (or (re-search-forward "^Date[ \t]*:" nil t)
1155       (wl-draft-insert-date-field))
1156   ;; Insert from field.
1157   (goto-char (point-min))
1158   (or (re-search-forward "^From[ \t]*:" nil t)
1159       (wl-draft-insert-from-field)))
1160
1161 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1162   "Send the message in the current buffer."
1163   (save-restriction
1164     (std11-narrow-to-header mail-header-separator)
1165     (wl-draft-insert-required-fields)
1166     ;; Delete null fields.
1167     (goto-char (point-min))
1168     (while (re-search-forward "^[^ \t\n:]+:[ \t]*\n" nil t)
1169       (replace-match ""))
1170     ;; ignore any blank lines in the header
1171     (while (re-search-forward "\n\n\n*" nil t)
1172       (replace-match "\n")))
1173 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1174   (wl-draft-dispatch-message)
1175   (when kill-when-done
1176     ;; hide editing-buffer.
1177     (wl-draft-hide editing-buffer)
1178     ;; delete editing-buffer and its file.
1179     (wl-draft-delete editing-buffer)))
1180
1181 (defun wl-draft-dispatch-message (&optional mes-string)
1182   "Send the message in the current buffer.  Not modified the header fields."
1183   (let (delimline mime-bcc)
1184     (if (and wl-draft-verbose-send mes-string)
1185         (message "%s" mes-string))
1186     ;; get fcc folders.
1187     (setq delimline (wl-draft-get-header-delimiter t))
1188     (unless wl-draft-fcc-list
1189       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1190     ;;
1191     (setq wl-sent-message-modified nil)
1192     (unwind-protect
1193         (progn
1194           (if (and (wl-message-mail-p)
1195                    (not (wl-draft-sent-message-p 'mail)))
1196               (if (or (not (or wl-draft-force-queuing
1197                                wl-draft-force-queuing-mail))
1198                       (memq 'mail wl-sent-message-queued))
1199                   (progn
1200                     (setq mime-bcc (wl-draft-mime-bcc-field))
1201                     (funcall wl-draft-send-mail-function)
1202                     (when (not (zerop (length mime-bcc)))
1203                       (wl-draft-do-mime-bcc mime-bcc)))
1204                 (push 'mail wl-sent-message-queued)
1205                 (wl-draft-set-sent-message 'mail 'unplugged)))
1206           (if (and (wl-message-news-p)
1207                    (not (wl-draft-sent-message-p 'news))
1208                    (not (wl-message-field-exists-p "Resent-to")))
1209               (if (or (not (or wl-draft-force-queuing
1210                                wl-draft-force-queuing-news))
1211                       (memq 'news wl-sent-message-queued))
1212                   (funcall wl-draft-send-news-function)
1213                 (push 'news wl-sent-message-queued)
1214                 (wl-draft-set-sent-message 'news 'unplugged))))
1215       (let* ((status (wl-draft-sent-message-results))
1216              (unplugged-via (car status))
1217              (sent-via (nth 1 status)))
1218         ;; If one sent, process fcc folder.
1219         (if (and sent-via wl-draft-fcc-list)
1220             (progn
1221               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1222                                wl-draft-fcc-list)
1223               (setq wl-draft-fcc-list nil)))
1224         (if wl-draft-use-cache
1225             (let ((id (std11-field-body "Message-ID"))
1226                   (elmo-enable-disconnected-operation t))
1227               (elmo-file-cache-save (elmo-file-cache-get-path id)
1228                                     nil)))
1229         ;; If one unplugged, append queue.
1230         (when (and unplugged-via
1231                    wl-sent-message-modified)
1232           (if wl-draft-enable-queuing
1233               (progn
1234                 (wl-draft-queue-append wl-sent-message-via)
1235                 (setq wl-sent-message-modified 'requeue))
1236             (error "Unplugged")))
1237         (when wl-draft-verbose-send
1238           (if (and unplugged-via sent-via);; combined message
1239               (progn
1240                 (setq wl-draft-verbose-msg
1241                       (format "Sending%s and Queuing%s..."
1242                               sent-via unplugged-via))
1243                 (message "%sdone" wl-draft-verbose-msg))
1244             (if mes-string
1245                 (message "%s%s"
1246                          mes-string
1247                          (if sent-via "done" "failed"))))))))
1248   (not wl-sent-message-modified)) ;; return value
1249
1250 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1251   "Force send current buffer as raw message."
1252   (interactive)
1253   (save-excursion
1254     (let (wl-interactive-send
1255 ;;;       wl-draft-verbose-send
1256           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1257           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1258           mail-send-hook
1259           mail-send-actions)
1260       (wl-draft-send kill-when-done mes-string))))
1261
1262 (defun wl-draft-clone-local-variables ()
1263   (let ((locals (buffer-local-variables))
1264         result)
1265     (while locals
1266       (when (and (consp (car locals))
1267                  (car (car locals))
1268                  (string-match wl-draft-clone-local-variable-regexp
1269                                (symbol-name (car (car locals)))))
1270         (wl-append result (list (car (car locals)))))
1271       (setq locals (cdr locals)))
1272     result))
1273
1274 (defun wl-draft-send (&optional kill-when-done mes-string)
1275   "Send current draft message.
1276 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1277   (interactive)
1278   ;; Don't call this explicitly.
1279   ;; Added to 'wl-draft-send-hook (by teranisi)
1280   ;; (wl-draft-config-exec)
1281   (run-hooks 'wl-draft-send-hook)
1282   (when (or (not wl-interactive-send)
1283             (y-or-n-p "Do you really want to send current draft? "))
1284     (let ((send-mail-function 'wl-draft-raw-send)
1285           (editing-buffer (current-buffer))
1286           (sending-buffer (wl-draft-generate-clone-buffer
1287                            " *wl-draft-sending-buffer*"
1288                            (append wl-draft-config-variables
1289                                    (wl-draft-clone-local-variables))))
1290           (wl-draft-verbose-msg nil)
1291           err)
1292       (unwind-protect
1293           (save-excursion
1294             (set-buffer sending-buffer)
1295             (if (and (not (wl-message-mail-p))
1296                      (not (wl-message-news-p)))
1297                 (error "No recipient is specified"))
1298             (expand-abbrev)             ; for mail-abbrevs
1299             (let ((mime-header-encode-method-alist
1300                    (append
1301                     '((wl-draft-eword-encode-address-list
1302                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1303                     (if (boundp 'mime-header-encode-method-alist)
1304                         (symbol-value 'mime-header-encode-method-alist)))))
1305               (run-hooks 'mail-send-hook) ; translate buffer
1306               )
1307             ;;
1308             (if wl-draft-verbose-send
1309                 (message "%s" (or mes-string "Sending...")))
1310             (funcall wl-draft-send-function editing-buffer kill-when-done)
1311             ;; Now perform actions on successful sending.
1312             (while mail-send-actions
1313               (condition-case ()
1314                   (apply (car (car mail-send-actions))
1315                          (cdr (car mail-send-actions)))
1316                 (error))
1317               (setq mail-send-actions (cdr mail-send-actions)))
1318             (if wl-draft-verbose-send
1319                 (message "%sdone"
1320                          (or wl-draft-verbose-msg
1321                              mes-string
1322                              "Sending..."))))
1323         ;; kill sending buffer, anyway.
1324         (and (buffer-live-p sending-buffer)
1325              (kill-buffer sending-buffer))))))
1326
1327 (defun wl-draft-mime-bcc-field ()
1328   "Return the MIME-Bcc field body.  The field is deleted."
1329   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1330     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1331
1332 (defun wl-draft-do-mime-bcc (field-body)
1333   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1334   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1335                                            'From))
1336         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1337                                                "")
1338                                            'Subject))
1339         (recipients (wl-parse-addresses field-body))
1340         (draft-buffer (current-buffer))
1341         wl-draft-use-frame)
1342     (save-window-excursion
1343       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1344                  (not (zerop (length field-body))))
1345         (let ((wl-draft-doing-mime-bcc t))
1346           (dolist (recipient recipients)
1347             (wl-draft-create-buffer)
1348             (wl-draft-create-contents
1349              (append `((From . ,orig-from)
1350                        (To . ,recipient)
1351                        (Subject . ,(concat "A blind carbon copy ("
1352                                            orig-subj
1353                                            ")")))
1354                      (wl-draft-default-headers)))
1355             (wl-draft-insert-mail-header-separator)
1356             (wl-draft-prepare-edit)
1357             (goto-char (point-max))
1358             (insert (or wl-draft-mime-bcc-body
1359                         "This is a blind carbon copy.")
1360                     "\n")
1361             (mime-edit-insert-tag "message" "rfc822")
1362             (insert-buffer draft-buffer)
1363             (let (wl-interactive-send)
1364               (wl-draft-send 'kill-when-done))))))))
1365
1366 ;; Derived from `message-save-drafts' in T-gnus.
1367 (defun wl-draft-save ()
1368   "Save current draft."
1369   (interactive)
1370   (if (buffer-modified-p)
1371       (progn
1372         (message "Saving %s..." wl-draft-buffer-file-name)
1373         (let ((msg (buffer-substring-no-properties (point-min) (point-max))))
1374           (with-temp-file wl-draft-buffer-file-name
1375             (insert msg)
1376             ;; If no header separator, insert it.
1377             (save-excursion
1378               (goto-char (point-min))
1379               (unless (re-search-forward
1380                        (concat "^" (regexp-quote mail-header-separator) "$")
1381                        nil t)
1382                 (goto-char (point-min))
1383                 (if (re-search-forward "\n\n" nil t)
1384                     (replace-match (concat "\n" mail-header-separator "\n"))
1385                   (goto-char (point-max))
1386                   (insert (if (eq (char-before) ?\n) "" "\n")
1387                           mail-header-separator "\n"))))
1388             (let ((mime-header-encode-method-alist
1389                    '((eword-encode-unstructured-field-body))))
1390               (mime-edit-translate-buffer))
1391             (wl-draft-get-header-delimiter t)))
1392         (set-buffer-modified-p nil)
1393         (wl-draft-config-info-operation
1394          (and (string-match "[0-9]+$" wl-draft-buffer-file-name)
1395               (string-to-int
1396                (match-string 0 wl-draft-buffer-file-name)))
1397          'save)
1398         (message "Saving %s...done" wl-draft-buffer-file-name))
1399     (message "(No changes need to be saved)")))
1400
1401 (defun wl-draft-mimic-kill-buffer ()
1402   "Kill the current (draft) buffer with query."
1403   (interactive)
1404   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1405                                       (buffer-name))))
1406         wl-draft-use-frame)
1407     (if (or (not bufname)
1408             (string-equal bufname "")
1409             (string-equal bufname (buffer-name)))
1410         (let ((bufname (current-buffer)))
1411           (when (or (not (buffer-modified-p))
1412                     (yes-or-no-p
1413                      (format "Buffer %s modified; kill anyway? " bufname)))
1414             (set-buffer-modified-p nil)
1415             (wl-draft-hide bufname)
1416             (kill-buffer bufname)))
1417       (kill-buffer bufname))))
1418
1419 (defun wl-draft-save-and-exit ()
1420   "Save current draft and exit current draft mode."
1421   (interactive)
1422   (wl-draft-save)
1423   (let ((editing-buffer (current-buffer)))
1424     (wl-draft-hide editing-buffer)
1425     (kill-buffer editing-buffer)))
1426
1427 (defun wl-draft-send-and-exit ()
1428   "Send current draft message and kill it."
1429   (interactive)
1430   (wl-draft-send t))
1431
1432 (defun wl-draft-send-from-toolbar ()
1433   (interactive)
1434   (let ((wl-interactive-send t))
1435     (wl-draft-send-and-exit)))
1436
1437 (defun wl-draft-delete-field (field &optional delimline replace)
1438   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1439
1440 (defun wl-draft-delete-fields (field &optional delimline replace)
1441   (save-restriction
1442     (unless delimline
1443       (goto-char (point-min))
1444       (if (search-forward "\n\n" nil t)
1445           (setq delimline (point))
1446         (setq delimline (point-max))))
1447     (narrow-to-region (point-min) delimline)
1448     (goto-char (point-min))
1449     (let ((regexp (concat "^" field ":"))
1450           (case-fold-search t))
1451       (while (not (eobp))
1452         (if (looking-at regexp)
1453             (progn
1454               (delete-region
1455                (point)
1456                (progn
1457                  (forward-line 1)
1458                  (if (re-search-forward "^[^ \t]" nil t)
1459                      (goto-char (match-beginning 0))
1460                    (point-max))))
1461               (if replace
1462                   (insert (concat field ": " replace "\n"))))
1463           (forward-line 1)
1464           (if (re-search-forward "^[^ \t]" nil t)
1465               (goto-char (match-beginning 0))
1466             (point-max)))))))
1467
1468 (defun wl-draft-get-fcc-list (header-end)
1469   (if (and wl-draft-doing-mime-bcc
1470            wl-draft-disable-fcc-for-mime-bcc)
1471       (progn
1472         (wl-draft-delete-field "fcc")
1473         nil)
1474     (let (fcc-list
1475           (case-fold-search t))
1476       (or (markerp header-end) (error "HEADER-END must be a marker"))
1477       (save-excursion
1478         (goto-char (point-min))
1479         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1480           (save-match-data
1481             (setq fcc-list
1482                   (append fcc-list
1483                           (split-string
1484                            (buffer-substring-no-properties
1485                             (point)
1486                             (progn
1487                               (end-of-line)
1488                               (skip-chars-backward " \t")
1489                               (point)))
1490                            ",[ \t]*")))
1491             (dolist (folder fcc-list)
1492               (wl-folder-confirm-existence
1493                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1494           (delete-region (match-beginning 0)
1495                          (progn (forward-line 1) (point)))))
1496       fcc-list)))
1497
1498 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1499   (let ((send-mail-buffer (current-buffer))
1500         (tembuf (generate-new-buffer " fcc output"))
1501         (case-fold-search t)
1502         beg end)
1503     (or (markerp header-end) (error "HEADER-END must be a marker"))
1504     (save-excursion
1505       (unless fcc-list
1506         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1507       (set-buffer tembuf)
1508       (erase-buffer)
1509       ;; insert just the headers to avoid moving the gap more than
1510       ;; necessary (the message body could be arbitrarily huge.)
1511       (insert-buffer-substring send-mail-buffer 1 header-end)
1512       (wl-draft-insert-required-fields t)
1513       (goto-char (point-max))
1514       (insert-buffer-substring send-mail-buffer header-end)
1515       (let ((id (std11-field-body "Message-ID"))
1516             (elmo-enable-disconnected-operation t)
1517             cache-saved)
1518         (while fcc-list
1519           (unless (or cache-saved
1520                       (elmo-folder-plugged-p
1521                        (wl-folder-get-elmo-folder (car fcc-list))))
1522             (elmo-file-cache-save id nil) ;; for disconnected operation
1523             (setq cache-saved t))
1524           (if (elmo-folder-append-buffer
1525                (wl-folder-get-elmo-folder
1526                 (eword-decode-string (car fcc-list)))
1527                (not wl-fcc-force-as-read))
1528               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1529             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1530           (setq fcc-list (cdr fcc-list)))))
1531     (kill-buffer tembuf)))
1532
1533 (defun wl-draft-on-field-p ()
1534   (if (< (point)
1535          (save-excursion
1536            (goto-char (point-min))
1537            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1538            (point)))
1539       (if (bolp)
1540           (if (bobp)
1541               t
1542             (save-excursion
1543               (forward-line -1)
1544               (if (or (looking-at ".*,[ \t]?$")
1545                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1546                   nil t)))
1547         (let ((pos (point)))
1548           (save-excursion
1549             (beginning-of-line)
1550             (if (looking-at "^[ \t]")
1551                 nil
1552               (if (re-search-forward ":" pos t) nil t)))))))
1553
1554 ;;;;;;;;;;;;;;;;
1555 ;;;###autoload
1556 (defun wl-draft (&optional header-alist
1557                            content-type content-transfer-encoding
1558                            body edit-again
1559                            parent-folder)
1560   "Write and send mail/news message with Wanderlust."
1561   (interactive)
1562   (require 'wl)
1563   (unless wl-init
1564     (wl-load-profile)
1565     (wl-folder-init)
1566     (elmo-init)
1567     (wl-plugged-init t))
1568   (let (wl-demo)
1569     (wl-init)) ; returns immediately if already initialized.
1570
1571
1572   (let (buf-name header-alist-internal)
1573     (setq buf-name
1574           (wl-draft-create-buffer
1575            (or
1576             (eq this-command 'wl-draft)
1577             (eq this-command 'wl-summary-write)
1578             (eq this-command 'wl-summary-write-current-folder)
1579             (eq this-command 'wl-folder-write-current-folder))
1580            parent-folder))
1581
1582     (unless (cdr (assq 'From header-alist))
1583       (setq header-alist
1584             (append (list (cons 'From wl-from)) header-alist)))
1585     (unless (cdr (assq 'To header-alist))
1586       (let ((to))
1587         (when (setq to (and
1588                         (interactive-p)
1589                         ""))
1590           (if (assq 'To header-alist)
1591               (setcdr (assq 'To header-alist) to)
1592             (setq header-alist
1593                   (append header-alist
1594                           (list (cons 'To to))))))))
1595     (unless (cdr (assq 'Subject header-alist))
1596       (if (assq 'Subject header-alist)
1597           (setcdr (assq 'Subject header-alist) "")
1598         (setq header-alist
1599               (append header-alist (list (cons 'Subject ""))))))
1600     (setq header-alist (append header-alist
1601                                (wl-draft-default-headers)
1602                                wl-draft-additional-header-alist
1603                                (if body (list "" (cons 'Body body)))))
1604     (wl-draft-create-contents header-alist)
1605     (if edit-again
1606         (wl-draft-decode-body
1607          content-type content-transfer-encoding))
1608     (wl-draft-insert-mail-header-separator)
1609     (wl-draft-prepare-edit)
1610     (if (interactive-p)
1611         (run-hooks 'wl-mail-setup-hook))
1612     (goto-char (point-min))
1613     (wl-user-agent-compose-internal) ;; user-agent
1614     (cond ((and
1615             (interactive-p)
1616             (string= (cdr (assq 'To header-alist)) ""))
1617            (mail-position-on-field "To"))
1618           (t
1619            (goto-char (point-max))))
1620     buf-name))
1621
1622 (defun wl-draft-create-buffer (&optional full parent-folder)
1623   (let* ((draft-folder (wl-folder-get-elmo-folder wl-draft-folder))
1624          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1625          (summary-buf (wl-summary-get-buffer parent-folder))
1626         buf-name file-name num change-major-mode-hook)
1627     (if (not (elmo-folder-message-file-p draft-folder))
1628         (error "%s folder cannot be used for draft folder" wl-draft-folder))
1629     (setq num (elmo-max-of-list
1630                (or (elmo-folder-list-messages draft-folder) '(0))))
1631     (setq num (+ 1 num))
1632     ;; To get unused buffer name.
1633     (while (get-buffer (concat wl-draft-folder "/" (int-to-string num)))
1634       (setq num (+ 1 num)))
1635     (setq buf-name (find-file-noselect
1636                     (setq file-name
1637                           (elmo-message-file-name
1638                            (wl-folder-get-elmo-folder wl-draft-folder)
1639                            num))))
1640     (if wl-draft-use-frame
1641         (switch-to-buffer-other-frame buf-name)
1642       (switch-to-buffer buf-name))
1643     (set-buffer buf-name)
1644     (if (not (string-match (regexp-quote wl-draft-folder)
1645                            (buffer-name)))
1646         (rename-buffer (concat wl-draft-folder "/" (int-to-string num))))
1647     (if (or (eq wl-draft-reply-buffer-style 'full)
1648             full)
1649         (delete-other-windows))
1650     (auto-save-mode -1)
1651     (wl-draft-mode)
1652     (make-local-variable 'truncate-partial-width-windows)
1653     (setq truncate-partial-width-windows nil)
1654     (setq truncate-lines wl-draft-truncate-lines)
1655     (setq wl-sent-message-via nil)
1656     (setq wl-sent-message-queued nil)
1657     (setq wl-draft-buffer-file-name file-name)
1658     (setq wl-draft-config-exec-flag t)
1659     (setq wl-draft-parent-folder (or parent-folder ""))
1660     (or (eq this-command 'wl-folder-write-current-folder)
1661         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1662     buf-name))
1663
1664 (defun wl-draft-create-contents (header-alist)
1665   "header-alist' sample
1666 '(function  ;; funcall
1667   string    ;; insert string
1668   (symbol . string)    ;;  insert symbol-value: string
1669   (symbol . function)  ;;  (funcall) and if it returns string,
1670                        ;;  insert symbol-value: string
1671   (symbol . nil)       ;;  do nothing
1672   nil                  ;;  do nothing
1673   )"
1674   (unless (eq major-mode 'wl-draft-mode)
1675     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1676   (let ((halist header-alist)
1677         field value)
1678     (while halist
1679       (cond
1680        ;; function
1681        ((functionp (car halist)) (funcall (car halist)))
1682        ;; string
1683        ((stringp (car halist)) (insert (car halist) "\n"))
1684        ;; cons
1685        ((consp (car halist))
1686         (setq field (car (car halist)))
1687         (setq value (cdr (car halist)))
1688         (cond
1689          ((symbolp field)
1690           (cond
1691            ((eq field 'Body) ; body
1692             (insert value))
1693            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1694            ((functionp value)
1695             (let ((value-return (funcall value)))
1696               (when (stringp value-return)
1697                 (insert (symbol-name field) ": " value-return "\n"))))
1698            ((not value))
1699            (t
1700             (debug))))
1701          ;;
1702          ((not field))
1703          (t
1704           (debug))
1705          )))
1706       (setq halist (cdr halist)))))
1707
1708 (defun wl-draft-prepare-edit ()
1709   (unless (eq major-mode 'wl-draft-mode)
1710     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1711   (let (change-major-mode-hook)
1712     (wl-draft-editor-mode)
1713     (add-hook 'local-write-file-hooks 'wl-draft-save)
1714     (wl-draft-overload-functions)
1715     (wl-highlight-headers 'for-draft)
1716     (wl-draft-save)
1717     (clear-visited-file-modtime)))
1718
1719 (defun wl-draft-decode-header ()
1720   (save-excursion
1721     (std11-narrow-to-header)
1722     (wl-draft-decode-message-in-buffer)
1723     (widen)))
1724
1725 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1726   (let ((content-type
1727          (or content-type
1728                 (std11-field-body "content-type")))
1729         (content-transfer-encoding
1730          (or content-transfer-encoding
1731              (std11-field-body "content-transfer-encoding")))
1732         delimline)
1733     (save-excursion
1734       (std11-narrow-to-header)
1735       (wl-draft-delete-field "content-type")
1736       (wl-draft-delete-field "content-transfer-encoding")
1737       (goto-char (point-max))
1738       (setq delimline (point-marker))
1739       (widen)
1740       (narrow-to-region delimline (point-max))
1741       (goto-char (point-min))
1742       (when content-type
1743         (insert "Content-type: " content-type "\n"))
1744       (when content-transfer-encoding
1745         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1746       (wl-draft-decode-message-in-buffer)
1747       (goto-char (point-min))
1748       (unless (re-search-forward "^$" (point-at-eol) t)
1749         (insert "\n"))
1750       (widen)
1751       delimline)))
1752
1753 ;;; subroutine for wl-draft-create-contents
1754 ;;; must be used in wl-draft-mode
1755 (defun wl-draft-check-new-line ()
1756   (if (not (= (preceding-char) ?\n))
1757       (insert ?\n)))
1758
1759 (defsubst wl-draft-trim-ccs (cc)
1760   (let ((field
1761          (if (functionp cc)
1762              (funcall cc)
1763            cc)))
1764     (if (and field
1765              (null (and wl-draft-delete-myself-from-bcc-fcc
1766                         (elmo-list-member
1767                          (mapcar 'wl-address-header-extract-address
1768                                  (append
1769                                   (wl-parse-addresses (std11-field-body "To"))
1770                                   (wl-parse-addresses (std11-field-body "Cc"))))
1771                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1772         field
1773       nil)))
1774
1775 (defsubst wl-draft-default-headers ()
1776   (list
1777    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1778                              (wl-address-header-extract-address
1779                               wl-from)))
1780    (cons 'User-Agent wl-generate-mailer-string-function)
1781    (cons 'Reply-To mail-default-reply-to)
1782    (cons 'Bcc (function
1783                (lambda ()
1784                  (wl-draft-trim-ccs
1785                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1786    (cons 'Fcc (function
1787                (lambda ()
1788                  (wl-draft-trim-ccs wl-fcc))))
1789    (cons 'Organization wl-organization)
1790    (and wl-auto-insert-x-face
1791         (file-exists-p wl-x-face-file)
1792         'wl-draft-insert-x-face-field-here) ;; allow nil
1793    mail-default-headers
1794    ;; check \n at th end of line for `mail-default-headers'
1795    'wl-draft-check-new-line
1796    ))
1797
1798 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1799   (save-excursion
1800     (if delimline
1801         (goto-char delimline)
1802       (goto-char (point-min))
1803       (if (search-forward "\n\n" nil t)
1804           (delete-backward-char 1)
1805         (goto-char (point-max))))
1806     (wl-draft-check-new-line)
1807     (put-text-property (point)
1808                        (progn
1809                          (insert mail-header-separator "\n")
1810                          (1- (point)))
1811                        'category 'mail-header-separator)))
1812
1813 ;;;;;;;;;;;;;;;;
1814
1815 (defun wl-draft-elmo-nntp-send ()
1816   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1817         (elmo-nntp-default-user
1818          (or wl-nntp-posting-user elmo-nntp-default-user))
1819         (elmo-nntp-default-server
1820          (or wl-nntp-posting-server elmo-nntp-default-server))
1821         (elmo-nntp-default-port
1822          (or wl-nntp-posting-port elmo-nntp-default-port))
1823         (elmo-nntp-default-stream-type
1824          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1825         (elmo-nntp-default-function wl-nntp-posting-function)
1826         condition)
1827     (if (setq condition (cdr (elmo-string-matched-assoc
1828                               (std11-field-body "Newsgroups")
1829                               wl-nntp-posting-config-alist)))
1830         (if (stringp condition)
1831             (setq elmo-nntp-default-server condition)
1832           (while (car condition)
1833             (set (intern (format "elmo-nntp-default-%s"
1834                                  (symbol-name (caar condition))))
1835                  (cdar condition))
1836             (setq condition (cdr condition)))))
1837     (unless elmo-nntp-default-function
1838       (error "wl-draft-nntp-send: posting-function is nil"))
1839     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1840         (wl-draft-set-sent-message 'news 'unplugged
1841                                    (cons elmo-nntp-default-server
1842                                          elmo-nntp-default-port))
1843       (funcall elmo-nntp-default-function
1844                elmo-nntp-default-server (current-buffer))
1845       (wl-draft-set-sent-message 'news 'sent)
1846       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1847                               (std11-field-body "Newsgroups")
1848                               (std11-field-body "Message-ID")))))
1849
1850 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1851   "Generate clone of current buffer named NAME."
1852   (let ((editing-buffer (current-buffer)))
1853     (save-excursion
1854       (set-buffer (generate-new-buffer name))
1855       (erase-buffer)
1856       (wl-draft-mode)
1857       (wl-draft-editor-mode)
1858       (insert-buffer editing-buffer)
1859       (message "")
1860       (while local-variables
1861         (make-local-variable (car local-variables))
1862         (set (car local-variables)
1863              (save-excursion
1864                (set-buffer editing-buffer)
1865                (symbol-value (car local-variables))))
1866         (setq local-variables (cdr local-variables)))
1867       (current-buffer))))
1868
1869 (defun wl-draft-reedit (number)
1870   (let ((draft-folder (wl-folder-get-elmo-folder wl-draft-folder))
1871         (wl-draft-reedit t)
1872         buffer file-name change-major-mode-hook)
1873     (setq file-name (elmo-message-file-name draft-folder number))
1874     (unless (file-exists-p file-name)
1875       (error "File %s does not exist" file-name))
1876     (if (setq buffer (get-buffer
1877                       (concat wl-draft-folder "/"
1878                               (number-to-string number))))
1879         (progn
1880           (if wl-draft-use-frame
1881               (switch-to-buffer-other-frame buffer)
1882             (switch-to-buffer buffer))
1883           (set-buffer buffer))
1884       (setq buffer (get-buffer-create (number-to-string number)))
1885       (if wl-draft-use-frame
1886           (switch-to-buffer-other-frame buffer)
1887         (switch-to-buffer buffer))
1888       (set-buffer buffer)
1889       (insert-file-contents-as-binary file-name)
1890       (elmo-delete-cr-buffer)
1891       (let((mime-edit-again-ignored-field-regexp
1892             "^\\(Content-.*\\|Mime-Version\\):"))
1893 ;       (wl-draft-decode-message-in-buffer))
1894         ;;;; From gnus-article-mime-edit-article-setup in T-gnus
1895         ;;;; XXX: it is semi issue, perhaps [wl:10790]
1896         (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
1897           (fset 'mime-edit-decode-single-part-in-buffer
1898                 (lambda (&rest args)
1899                   (unless (let ((content-type (car args)))
1900                             (eq 'text (mime-content-type-primary-type
1901                                        content-type)))
1902                     (setcar (cdr args) 'not-decode-text))
1903                   (apply ofn args)))
1904           (unwind-protect
1905               (wl-draft-decode-message-in-buffer)
1906             (fset 'mime-edit-decode-single-part-in-buffer ofn))))
1907       (wl-draft-insert-mail-header-separator)
1908       (if (not (string-match (regexp-quote wl-draft-folder)
1909                              (buffer-name)))
1910           (rename-buffer (concat wl-draft-folder "/" (buffer-name))))
1911       (auto-save-mode -1)
1912       (wl-draft-mode)
1913       (setq buffer-file-name file-name)
1914       (make-local-variable 'truncate-partial-width-windows)
1915       (setq truncate-partial-width-windows nil)
1916       (setq truncate-lines wl-draft-truncate-lines)
1917       (setq wl-sent-message-via nil)
1918       (setq wl-sent-message-queued nil)
1919       (setq wl-draft-buffer-file-name file-name)
1920       (wl-draft-config-info-operation number 'load)
1921       (goto-char (point-min))
1922       (wl-draft-overload-functions)
1923       (wl-draft-editor-mode)
1924       (add-hook 'local-write-file-hooks 'wl-draft-save)
1925       (wl-highlight-headers 'for-draft)
1926       (run-hooks 'wl-draft-reedit-hook)
1927       (goto-char (point-max))
1928       buffer)))
1929
1930 (defmacro wl-draft-body-goto-top ()
1931   (` (progn
1932        (goto-char (point-min))
1933        (if (re-search-forward mail-header-separator nil t)
1934            (forward-char 1)
1935          (goto-char (point-max))))))
1936
1937 (defmacro wl-draft-body-goto-bottom ()
1938   (` (goto-char (point-max))))
1939
1940 (defmacro wl-draft-config-body-goto-header ()
1941   (` (progn
1942        (goto-char (point-min))
1943        (if (re-search-forward mail-header-separator nil t)
1944            (beginning-of-line)
1945          (goto-char (point-max))))))
1946
1947 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
1948   (let (content-value)
1949     (when (and content
1950                (stringp (setq content-value (eval content))))
1951       (insert content-value)
1952       (if newline (insert "\n")))))
1953
1954 (defun wl-draft-config-sub-body (content)
1955   (wl-draft-body-goto-top)
1956   (delete-region (point) (point-max))
1957   (wl-draft-config-sub-eval-insert content))
1958
1959 (defun wl-draft-config-sub-top (content)
1960   (wl-draft-body-goto-top)
1961   (wl-draft-config-sub-eval-insert content))
1962
1963 (defun wl-draft-config-sub-bottom (content)
1964   (wl-draft-body-goto-bottom)
1965   (wl-draft-config-sub-eval-insert content))
1966
1967 (defun wl-draft-config-sub-header (content)
1968   (wl-draft-config-body-goto-header)
1969   (wl-draft-config-sub-eval-insert content 'newline))
1970
1971 (defun wl-draft-config-sub-header-top (content)
1972   (goto-char (point-min))
1973   (wl-draft-config-sub-eval-insert content 'newline))
1974
1975 (defun wl-draft-config-sub-part-top (content)
1976   (goto-char (mime-edit-content-beginning))
1977   (wl-draft-config-sub-eval-insert content 'newline))
1978
1979 (defun wl-draft-config-sub-part-bottom (content)
1980   (goto-char (mime-edit-content-end))
1981   (wl-draft-config-sub-eval-insert content 'newline))
1982
1983 (defsubst wl-draft-config-sub-file (content)
1984   (let ((coding-system-for-read wl-cs-autoconv)
1985         (file (expand-file-name (eval content))))
1986     (if (file-exists-p file)
1987         (insert-file-contents file)
1988       (error "%s: no exists file" file))))
1989
1990 (defun wl-draft-config-sub-body-file (content)
1991   (wl-draft-body-goto-top)
1992   (delete-region (point) (point-max))
1993   (wl-draft-config-sub-file content))
1994
1995 (defun wl-draft-config-sub-top-file (content)
1996   (wl-draft-body-goto-top)
1997   (wl-draft-config-sub-file content))
1998
1999 (defun wl-draft-config-sub-bottom-file (content)
2000   (wl-draft-body-goto-bottom)
2001   (wl-draft-config-sub-file content))
2002
2003 (defun wl-draft-config-sub-header-file (content)
2004   (wl-draft-config-body-goto-header)
2005   (wl-draft-config-sub-file content))
2006
2007 (defun wl-draft-config-sub-template (content)
2008   (setq wl-draft-config-variables
2009         (wl-template-insert (eval content))))
2010
2011 (defun wl-draft-config-sub-x-face (content)
2012   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2013            (fboundp 'x-face-insert)) ; x-face.el is installed.
2014       (x-face-insert content)
2015     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2016
2017 (defsubst wl-draft-config-sub-func (field content)
2018   (let (func)
2019     (if (setq func (assq field wl-draft-config-sub-func-alist))
2020         (let (wl-draft-config-variables)
2021           (funcall (cdr func) content)
2022           ;; for wl-draft-config-sub-template
2023           (cons t wl-draft-config-variables)))))
2024
2025 (defsubst wl-draft-config-exec-sub (clist)
2026   (let (config local-variables)
2027     (while clist
2028       (setq config (car clist))
2029       (cond
2030        ((functionp config)
2031         (funcall config))
2032        ((consp config)
2033         (let ((field (car config))
2034               (content (cdr config))
2035               ret-val)
2036           (cond
2037            ((stringp field)
2038             (wl-draft-replace-field field (eval content) t))
2039            ((setq ret-val (wl-draft-config-sub-func field content))
2040             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2041                 (wl-append local-variables (cdr ret-val))))
2042            ((boundp field) ;; variable
2043             (make-local-variable field)
2044             (set field (eval content))
2045             (wl-append local-variables (list field)))
2046            (t
2047             (error "%s: not variable" field)))))
2048        (t
2049         (error "%s: not supported type" config)))
2050       (setq clist (cdr clist)))
2051     local-variables))
2052
2053 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2054   "Change headers in draft preparation time."
2055   (interactive)
2056   (unless wl-draft-reedit
2057     (let ((config-alist
2058            (or config-alist
2059                (and (boundp 'wl-draft-prepared-config-alist)
2060                     wl-draft-prepared-config-alist)     ;; For compatible.
2061                wl-draft-config-alist)))
2062       (if config-alist
2063           (wl-draft-config-exec config-alist reply-buf)))))
2064
2065 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2066   "Change headers according to the value of `wl-draft-config-alist'.
2067 Automatically applied in draft sending time."
2068   (interactive)
2069   (let ((case-fold-search t)
2070         (alist (or config-alist wl-draft-config-alist))
2071         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2072                                       wl-draft-reply-buffer)))
2073         (local-variables wl-draft-config-variables)
2074         key clist found)
2075     (when (and (or (interactive-p)
2076                    wl-draft-config-exec-flag)
2077                alist)
2078       (save-excursion
2079         (catch 'done
2080           (while alist
2081             (setq key (caar alist)
2082                   clist (cdar alist))
2083             (cond
2084              ((eq key 'reply)
2085               (when (and
2086                      reply-buf
2087                      (save-excursion
2088                        (set-buffer reply-buf)
2089                        (save-restriction
2090                          (std11-narrow-to-header)
2091                          (goto-char (point-min))
2092                          (re-search-forward (car clist) nil t))))
2093                 (wl-draft-config-exec-sub (cdr clist))
2094                 (setq found t)))
2095              ((stringp key)
2096               (when (save-restriction
2097                       (std11-narrow-to-header mail-header-separator)
2098                       (goto-char (point-min))
2099                       (re-search-forward key nil t))
2100                 (wl-append local-variables
2101                            (wl-draft-config-exec-sub clist))
2102                 (setq found t)))
2103              ((eval key)
2104               (wl-append local-variables
2105                          (wl-draft-config-exec-sub clist))
2106               (setq found t)))
2107             (if (and found wl-draft-config-matchone)
2108                 (throw 'done t))
2109             (setq alist (cdr alist))))
2110         (if found
2111             (setq wl-draft-config-exec-flag nil))
2112         (run-hooks 'wl-draft-config-exec-hook)
2113         (put-text-property (point-min)(point-max) 'face nil)
2114         (wl-highlight-message (point-min)(point-max) t)
2115         (setq wl-draft-config-variables
2116               (elmo-uniq-list local-variables))))))
2117
2118 (defun wl-draft-replace-field (field content &optional add)
2119   (save-excursion
2120     (save-restriction
2121       (let ((case-fold-search t)
2122             (inhibit-read-only t) ;; added by teranisi.
2123             beg)
2124         (std11-narrow-to-header mail-header-separator)
2125         (goto-char (point-min))
2126         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2127             (if content
2128                 ;; replace field
2129                 (progn
2130                   (setq beg (point))
2131                   (re-search-forward "^[^ \t]" nil 'move)
2132                   (beginning-of-line)
2133                   (skip-chars-backward "\n")
2134                   (delete-region beg (point))
2135                   (insert " " content))
2136               ;; delete field
2137               (save-excursion
2138                 (beginning-of-line)
2139                 (setq beg (point)))
2140               (re-search-forward "^[^ \t]" nil 'move)
2141               (beginning-of-line)
2142               (delete-region beg (point)))
2143           (when (and add content)
2144             ;; add field
2145             (goto-char (point-max))
2146             (insert (concat field ": " content "\n"))))))))
2147
2148 (defun wl-draft-config-info-operation (msg operation)
2149   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-folder-get-elmo-folder
2150                                              wl-draft-folder)))
2151          (filename
2152           (expand-file-name
2153            (format "%s-%d" wl-draft-config-save-filename msg)
2154            msgdb-dir))
2155          element alist variable)
2156     (cond
2157      ((eq operation 'save)
2158       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2159         (while (setq variable (pop variables))
2160           (when (boundp variable)
2161             (wl-append alist
2162                        (list (cons variable (eval variable))))))
2163         (elmo-object-save filename alist)))
2164      ((eq operation 'load)
2165       (setq alist (elmo-object-load filename))
2166       (while (setq element (pop alist))
2167         (set (make-local-variable (car element)) (cdr element))
2168         (wl-append wl-draft-config-variables (list (car element)))))
2169      ((eq operation 'delete)
2170       (if (file-exists-p filename)
2171           (delete-file filename))))))
2172
2173 (defun wl-draft-queue-info-operation (msg operation
2174                                           &optional add-sent-message-via)
2175   (let* ((msgdb-dir (elmo-folder-msgdb-path
2176                      (wl-folder-get-elmo-folder wl-queue-folder)))
2177          (filename
2178           (expand-file-name
2179            (format "%s-%d" wl-draft-queue-save-filename msg)
2180            msgdb-dir))
2181          element alist variable)
2182     (cond
2183      ((eq operation 'save)
2184       (let ((variables (elmo-uniq-list
2185                         (append wl-draft-queue-save-variables
2186                                 wl-draft-config-variables
2187                                 (list 'wl-draft-fcc-list)))))
2188         (if add-sent-message-via
2189             (progn
2190               (push 'wl-sent-message-queued variables)
2191               (push 'wl-sent-message-via variables)))
2192         (while (setq variable (pop variables))
2193           (when (boundp variable)
2194             (wl-append alist
2195                        (list (cons variable (eval variable))))))
2196         (elmo-object-save filename alist)))
2197      ((eq operation 'load)
2198       (setq alist (elmo-object-load filename))
2199       (while (setq element (pop alist))
2200         (set (make-local-variable (car element)) (cdr element))))
2201      ((eq operation 'get-sent-via)
2202       (setq alist (elmo-object-load filename))
2203       (cdr (assq 'wl-sent-message-via alist)))
2204      ((eq operation 'delete)
2205       (if (file-exists-p filename)
2206           (delete-file filename))))))
2207
2208 (defun wl-draft-queue-append (wl-sent-message-via)
2209   (if wl-draft-verbose-send
2210       (message "Queuing..."))
2211   (let ((send-buffer (current-buffer))
2212         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2213         (message-id (std11-field-body "Message-ID")))
2214     (if (elmo-folder-append-buffer folder t)
2215         (progn
2216           (wl-draft-queue-info-operation
2217            (car (elmo-folder-status folder))
2218            'save wl-sent-message-via)
2219           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2220           (when wl-draft-verbose-send
2221             (setq wl-draft-verbose-msg "Queuing...")
2222             (message "Queuing...done")))
2223       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2224       (error "Queuing failed"))))
2225
2226 (defun wl-draft-queue-flush ()
2227   "Flush draft queue."
2228   (interactive)
2229   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2230          (msgs2 (progn
2231                   (elmo-folder-open-internal queue-folder)
2232                   (elmo-folder-list-messages queue-folder)))
2233          (i 0)
2234          (performed 0)
2235          (wl-draft-queue-flushing t)
2236          msgs failure len buffer msgid sent-via)
2237     ;; get plugged send message
2238     (while msgs2
2239       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2240       (catch 'found
2241         (while sent-via
2242           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2243                      (or (not (nth 2 (car sent-via)))
2244                          (elmo-plugged-p
2245                           (car (nth 2 (car sent-via)))
2246                           (cdr (nth 2 (car sent-via))))))
2247             (wl-append msgs (list (car msgs2)))
2248             (throw 'found t))
2249           (setq sent-via (cdr sent-via))))
2250       (setq msgs2 (cdr msgs2)))
2251     (when (> (setq len (length msgs)) 0)
2252       (if (elmo-y-or-n-p (format
2253                           "%d message(s) are in the sending queue.  Send now? "
2254                           len)
2255                          (not elmo-dop-flush-confirm) t)
2256           (progn
2257             (save-excursion
2258               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2259               (set-buffer buffer)
2260               (while msgs
2261                 ;; reset buffer local variables
2262                 (kill-all-local-variables)
2263                 (erase-buffer)
2264                 (setq i (+ 1 i)
2265                       failure nil)
2266                 (setq wl-sent-message-via nil)
2267                 (wl-draft-queue-info-operation (car msgs) 'load)
2268                 (elmo-message-fetch queue-folder
2269                                     (car msgs)
2270                                     (elmo-make-fetch-strategy 'entire)
2271                                     nil (current-buffer))
2272                 (condition-case err
2273                     (setq failure (funcall
2274                                    wl-draft-queue-flush-send-function
2275                                    (format "Sending (%d/%d)..." i len)))
2276 ;;;               (wl-draft-raw-send nil nil
2277 ;;;                                  (format "Sending (%d/%d)..." i len))
2278                   (error
2279                    (elmo-display-error err t)
2280                    (setq failure t))
2281                   (quit
2282                    (setq failure t)))
2283                 (if (eq wl-sent-message-modified 'requeue)
2284                     (progn
2285                       (elmo-folder-delete-messages
2286                        queue-folder (cons (car msgs) nil))
2287                       (wl-draft-queue-info-operation (car msgs) 'delete))
2288                   (unless failure
2289                     (elmo-folder-delete-messages
2290                      queue-folder (cons (car msgs) nil))
2291                     (wl-draft-queue-info-operation (car msgs) 'delete)
2292                     (setq performed (+ 1 performed))))
2293                 (setq msgs (cdr msgs)))
2294               (kill-buffer buffer)
2295               (message "%d message(s) are sent." performed)))
2296         (message "%d message(s) are remained to be sent." len))
2297       (elmo-folder-close queue-folder)
2298       len)))
2299
2300 (defun wl-jump-to-draft-buffer (&optional arg)
2301   "Jump to the draft if exists."
2302   (interactive "P")
2303   (if arg
2304       (wl-jump-to-draft-folder)
2305     (let ((draft-bufs (wl-collect-draft))
2306           buf)
2307       (cond
2308        ((null draft-bufs)
2309         (message "No draft buffer exist."))
2310        (t
2311         (setq draft-bufs
2312               (sort (mapcar 'buffer-name draft-bufs)
2313                     (function (lambda (a b)
2314                                 (not (string< a b))))))
2315         (if (setq buf (cdr (member (buffer-name)
2316                                    draft-bufs)))
2317             (setq buf (car buf))
2318           (setq buf (car draft-bufs)))
2319         (switch-to-buffer buf))))))
2320
2321 (defun wl-jump-to-draft-folder ()
2322   (let ((msgs (reverse (elmo-folder-list-messages (wl-folder-get-elmo-folder
2323                                                    wl-draft-folder))))
2324         (mybuf (buffer-name))
2325         msg buf)
2326     (if (not msgs)
2327         (message "No draft message exist.")
2328       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2329           (setq msg (cadr (memq
2330                            (string-to-int (substring mybuf (match-end 0)))
2331                            msgs))))
2332       (or msg (setq msg (car msgs)))
2333       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2334           (switch-to-buffer buf)
2335         (wl-draft-reedit msg)))))
2336
2337 (defun wl-draft-highlight-and-recenter (&optional n)
2338   (interactive "P")
2339   (when wl-highlight-body-too
2340     (let ((modified (buffer-modified-p)))
2341       (unwind-protect
2342           (progn
2343             (put-text-property (point-min) (point-max) 'face nil)
2344             (wl-highlight-message (point-min) (point-max) t))
2345         (set-buffer-modified-p modified))))
2346   (recenter n))
2347
2348 ;;;; user-agent support by Sen Nagata
2349
2350 ;; this appears to be necessarily global...
2351 (defvar wl-user-agent-compose-p nil)
2352 (defvar wl-user-agent-headers-and-body-alist nil)
2353
2354 ;; this should be a generic function for mail-mode -- i wish there was
2355 ;; something like it in sendmail.el
2356 (defun wl-user-agent-insert-header (header-name header-value)
2357   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2358   ;; it seems like overriding existing headers is acceptable -- should
2359   ;; we provide an option?
2360
2361   ;; plan was: unfold header (might be folded), remove existing value, insert
2362   ;;           new value
2363   ;; wl doesn't seem to fold header lines yet anyway :-)
2364
2365   (let ((kill-whole-line t)
2366         end-of-line)
2367     (mail-position-on-field (capitalize header-name))
2368     (setq end-of-line (point))
2369     (beginning-of-line)
2370     (re-search-forward ":" end-of-line)
2371     (insert (concat " " header-value "\n"))
2372     (kill-line)))
2373
2374 ;; this should be a generic function for mail-mode -- i wish there was
2375 ;; something like it in sendmail.el
2376 ;;
2377 ;; ** haven't dealt w/ case where the body is already set **
2378 (defun wl-user-agent-insert-body (body-text)
2379   "Insert a body of text, BODY-TEXT, into a message."
2380   ;; code defensively... :-P
2381   (goto-char (point-min))
2382   (search-forward mail-header-separator)
2383   (forward-line 1)
2384   (insert body-text))
2385
2386 ;;;###autoload
2387 (defun wl-user-agent-compose (&optional to subject other-headers continue
2388                                         switch-function yank-action
2389                                         send-actions)
2390   "Support the `compose-mail' interface for wl.
2391 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2392 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2393 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2394
2395   (unless (featurep 'wl)
2396     (require 'wl))
2397   ;; protect these -- to and subject get bound at some point, so it looks
2398   ;; to be necessary to protect the values used w/in
2399   (let ((wl-user-agent-headers-and-body-alist other-headers)
2400         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2401         (wl-draft-reply-buffer-style 'split))
2402     (when (eq switch-function 'switch-to-buffer-other-window)
2403       (when (one-window-p t)
2404         (if (window-minibuffer-p) (other-window 1))
2405         (split-window))
2406       (other-window 1))
2407     (if to
2408         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2409                                    'ignore-case)
2410             (setcdr
2411              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2412                                     'ignore-case)
2413              to)
2414           (setq wl-user-agent-headers-and-body-alist
2415                 (cons (cons "to" to)
2416                       wl-user-agent-headers-and-body-alist))))
2417     (if subject
2418         (if (wl-string-match-assoc "subject"
2419                                    wl-user-agent-headers-and-body-alist
2420                                    'ignore-case)
2421             (setcdr
2422              (wl-string-match-assoc "subject"
2423                                     wl-user-agent-headers-and-body-alist
2424                                     'ignore-case)
2425              subject)
2426           (setq wl-user-agent-headers-and-body-alist
2427                 (cons (cons "subject" subject)
2428                       wl-user-agent-headers-and-body-alist))))
2429     ;; i think this is what we want to use...
2430     (unwind-protect
2431         (progn
2432           ;; tell the hook-function to do its stuff
2433           (setq wl-user-agent-compose-p t)
2434           ;; because to get the hooks working, wl-draft has to think it has
2435           ;; been called interactively
2436           (call-interactively 'wl-draft))
2437       (setq wl-user-agent-compose-p nil))))
2438
2439 (defun wl-user-agent-compose-internal ()
2440   "Manipulate headers and/or a body of a draft message."
2441   ;; being called from wl-user-agent-compose?
2442   (if wl-user-agent-compose-p
2443       (progn
2444         ;; insert headers
2445         (let ((headers wl-user-agent-headers-and-body-alist)
2446               (case-fold-search t))
2447           (while headers
2448             ;; skip body
2449             (if (not (string-match "^body$" (car (car headers))))
2450                 (wl-user-agent-insert-header
2451                  (car (car headers)) (cdr (car headers)))
2452               t)
2453             (setq headers (cdr headers))))
2454         ;; highlight headers (from wl-draft in wl-draft.el)
2455         (wl-highlight-headers 'for-draft)
2456         ;; insert body
2457         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2458                                    'ignore-case)
2459             (wl-user-agent-insert-body
2460              (cdr (wl-string-match-assoc
2461                    "body"
2462                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2463     t))
2464
2465 (require 'product)
2466 (product-provide (provide 'wl-draft) (require 'wl-version))
2467
2468 ;;; wl-draft.el ends here