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 'eword-encode)
  40 (require 'wl-vars)
  41
  42 (defvar x-face-add-x-face-version-header)
  43 (defvar mail-reply-buffer)
  44 (defvar mail-from-style)
  45
  46 (eval-when-compile
  47   (require 'cl)
  48   (require 'static)
  49   (require 'elmo-pop3)
  50   (defalias-maybe 'x-face-insert 'ignore)
  51   (defalias-maybe 'x-face-insert-version-header 'ignore)
  52   (defalias-maybe 'wl-init 'ignore)
  53   (defalias-maybe 'wl-draft-mode 'ignore))
  54
  55 (eval-and-compile
  56   (autoload 'wl-addrmgr "wl-addrmgr"))
  57
  58 (autoload 'open-ssl-stream "ssl")
  59
  60 (defvar wl-draft-buffer-message-number nil)
  61 (defvar wl-draft-field-completion-list nil)
  62 (defvar wl-draft-verbose-send t)
  63 (defvar wl-draft-verbose-msg nil)
  64 (defvar wl-draft-queue-flushing nil)
  65 (defvar wl-draft-config-variables nil)
  66 (defvar wl-draft-config-exec-flag t)
  67 (defvar wl-draft-buffer-cur-summary-buffer nil)
  68 (defvar wl-draft-clone-local-variable-regexp "^\\(wl\\|mime\\)")
  69 (defvar wl-draft-sendlog-filename "sendlog")
  70 (defvar wl-draft-queue-save-filename "qinfo")
  71 (defvar wl-draft-config-save-filename "config")
  72 (defvar wl-draft-queue-flush-send-function 'wl-draft-dispatch-message)
  73 (defvar wl-sent-message-via nil)
  74 (defvar wl-sent-message-modified nil)
  75 (defvar wl-sent-message-queued nil)
  76 (defvar wl-draft-fcc-list nil)
  77 (defvar wl-draft-reedit nil)
  78 (defvar wl-draft-reply-buffer nil)
  79 (defvar wl-draft-forward nil)
  80 (defvar wl-draft-doing-mime-bcc nil)
  81
  82 (defvar wl-draft-parent-folder nil
  83   "Folder name of the summary in which current draft is invoked.
  84 This variable is local in each draft buffer.
  85 You can refer its value in `wl-draft-config-alist'.
  86
  87 e.g.
  88 \(setq wl-draft-config-alist
  89       '(((string-match \".*@domain1$\" wl-draft-parent-folder)
  90          (\"From\" . \"user@domain1\"))
  91         ((string-match \".*@domain2$\" wl-draft-parent-folder)
  92          (\"From\" . \"user@domain2\"))))")
  93
  94 (defvar wl-draft-parent-number nil)
  95
  96 (defconst wl-draft-reply-saved-variables
  97   '(wl-draft-parent-folder
  98     wl-draft-parent-number))
  99
 100 (defvar wl-draft-config-sub-func-alist
 101   '((body               . wl-draft-config-sub-body)
 102     (top                . wl-draft-config-sub-top)
 103     (bottom             . wl-draft-config-sub-bottom)
 104     (header             . wl-draft-config-sub-header)
 105     (header-top         . wl-draft-config-sub-header-top)
 106     (header-bottom      . wl-draft-config-sub-header)
 107     (part-top           . wl-draft-config-sub-part-top)
 108     (part-bottom        . wl-draft-config-sub-part-bottom)
 109     (body-file          . wl-draft-config-sub-body-file)
 110     (top-file           . wl-draft-config-sub-top-file)
 111     (bottom-file        . wl-draft-config-sub-bottom-file)
 112     (header-file        . wl-draft-config-sub-header-file)
 113     (template           . wl-draft-config-sub-template)
 114     (x-face             . wl-draft-config-sub-x-face)))
 115
 116 (make-variable-buffer-local 'wl-draft-buffer-message-number)
 117 (make-variable-buffer-local 'wl-draft-buffer-cur-summary-buffer)
 118 (make-variable-buffer-local 'wl-draft-config-variables)
 119 (make-variable-buffer-local 'wl-draft-config-exec-flag)
 120 (make-variable-buffer-local 'wl-sent-message-via)
 121 (make-variable-buffer-local 'wl-sent-message-queued)
 122 (make-variable-buffer-local 'wl-draft-fcc-list)
 123 (make-variable-buffer-local 'wl-draft-reply-buffer)
 124 (make-variable-buffer-local 'wl-draft-parent-folder)
 125 (make-variable-buffer-local 'wl-draft-parent-number)
 126
 127 (defvar wl-draft-folder-internal nil
 128   "Internal variable for caching `opened' draft folder.")
 129
 130 (defsubst wl-smtp-password-key (user mechanism server)
 131   (format "SMTP:%s/%s@%s"
 132           user mechanism server))
 133
 134 (defmacro wl-smtp-extension-bind (&rest body)
 135   (` (let* ((smtp-sasl-mechanisms
 136              (if wl-smtp-authenticate-type
 137                  (mapcar 'upcase
 138                          (if (listp wl-smtp-authenticate-type)
 139                              wl-smtp-authenticate-type
 140                            (list wl-smtp-authenticate-type)))))
 141             (smtp-use-sasl (and smtp-sasl-mechanisms t))
 142             (smtp-use-starttls (eq wl-smtp-connection-type 'starttls))
 143             (smtp-open-connection-function
 144              (if (eq wl-smtp-connection-type 'ssl)
 145                  #'open-ssl-stream
 146                smtp-open-connection-function))
 147             (smtp-end-of-line
 148              (if (eq wl-smtp-connection-type 'ssl)
 149                  "\n"
 150                smtp-end-of-line))
 151             smtp-sasl-user-name smtp-sasl-properties sasl-read-passphrase)
 152        (if (and (string= (car smtp-sasl-mechanisms) "DIGEST-MD5")
 153                 ;; sendmail bug?
 154                 (string-match "^\\([^@]*\\)@\\([^@]*\\)"
 155                               wl-smtp-posting-user))
 156            (setq smtp-sasl-user-name (match-string 1 wl-smtp-posting-user)
 157                  smtp-sasl-properties (list 'realm
 158                                             (match-string 2 wl-smtp-posting-user)))
 159          (setq smtp-sasl-user-name wl-smtp-posting-user
 160                smtp-sasl-properties nil))
 161        (setq sasl-read-passphrase
 162              (function
 163               (lambda (prompt)
 164                 (elmo-get-passwd
 165                  (wl-smtp-password-key
 166                   smtp-sasl-user-name
 167                   (car smtp-sasl-mechanisms)
 168                   smtp-server)))))
 169        (,@ body))))
 170
 171 (defun wl-draft-insert-date-field ()
 172   "Insert Date field."
 173   (insert "Date: " (wl-make-date-string) "\n"))
 174
 175 (defun wl-draft-insert-from-field ()
 176   "Insert From field."
 177   ;; Put the "From:" field in unless for some odd reason
 178   ;; they put one in themselves.
 179   (let (from)
 180     (condition-case err
 181         (setq from (wl-draft-eword-encode-address-list wl-from))
 182       (error (error "Please look at `wl-from' again")))
 183     (insert "From: " from "\n")))
 184
 185 (defun wl-draft-insert-x-face-field ()
 186   "Insert X-Face header."
 187   (interactive)
 188   (if (not (file-exists-p wl-x-face-file))
 189       (error "File %s does not exist" wl-x-face-file)
 190     (goto-char (point-min))
 191     (search-forward mail-header-separator nil t)
 192     (beginning-of-line)
 193     (wl-draft-insert-x-face-field-here)
 194     (run-hooks 'wl-draft-insert-x-face-field-hook))) ; highlight it if you want.
 195
 196 (defun wl-draft-insert-x-face-field-here ()
 197   "Insert X-Face field at point."
 198   (let ((x-face-string (elmo-get-file-string wl-x-face-file)))
 199     (when (string-match "^\\(X-Face:\\)?[ \t\n]*" x-face-string)
 200       (setq x-face-string (substring x-face-string (match-end 0))))
 201     (insert "X-Face: " x-face-string))
 202   (when (not (= (preceding-char) ?\n))  ; for chomped (choped) x-face-string
 203     (insert ?\n))
 204   ;; Insert X-Face-Version: field
 205   (when (and (fboundp 'x-face-insert-version-header)
 206              (boundp 'x-face-add-x-face-version-header)
 207              x-face-add-x-face-version-header)
 208     (x-face-insert-version-header)))
 209
 210 (defun wl-draft-setup ()
 211   (let ((field wl-draft-fields)
 212         cl)
 213     (while field
 214       (setq cl (append cl
 215                        (list (cons (concat (car field) " ")
 216                                    (concat (car field) " ")))))
 217       (setq field (cdr field)))
 218     (setq cl
 219           (cons (cons (concat wl-draft-mime-bcc-field-name  ": ")
 220                       (concat wl-draft-mime-bcc-field-name  ": "))
 221                 cl))
 222     (setq wl-draft-field-completion-list cl)
 223     (setq wl-address-complete-header-regexp
 224           (wl-regexp-opt
 225            (append wl-address-complete-header-list
 226                    (list (concat wl-draft-mime-bcc-field-name  ":")))))))
 227
 228 (defun wl-draft-make-mail-followup-to (recipients)
 229   (let ((rlist (wl-address-delete-user-mail-addresses recipients)))
 230     (if (elmo-list-member rlist (mapcar 'downcase
 231                                         wl-subscribed-mailing-list))
 232         rlist
 233       (append rlist (list (wl-address-header-extract-address
 234                            wl-from))))))
 235
 236 (defun wl-draft-delete-myself-from-cc (to cc)
 237   (cond (wl-draft-always-delete-myself ; always-delete option
 238          (wl-address-delete-user-mail-addresses cc))
 239         ((elmo-list-member (append to cc) ; subscribed mailing-list
 240                            (mapcar 'downcase wl-subscribed-mailing-list))
 241          (wl-address-delete-user-mail-addresses cc))
 242         (t cc)))
 243
 244 (defsubst wl-draft-strip-subject-regexp (subject regexp)
 245   "Remove REGEXP from SUBJECT string."
 246   (if (string-match regexp subject)
 247       (substring subject (match-end 0))
 248     subject))
 249
 250 (defun wl-draft-forward-make-subject (original-subject)
 251   "Generate subject string for forwarding."
 252   (cond ((functionp wl-forward-subject-prefix)
 253          (concat (funcall wl-forward-subject-prefix)
 254                  original-subject))
 255         ((stringp wl-forward-subject-prefix)
 256          (concat wl-forward-subject-prefix
 257                  (wl-draft-strip-subject-regexp
 258                   (or original-subject "")
 259                   wl-subject-forward-prefix-regexp)))
 260         (t original-subject)))
 261
 262 (defun wl-draft-reply-make-subject (original-subject)
 263   "Generate subject string for replying."
 264   (cond ((functionp wl-reply-subject-prefix)
 265          (concat (funcall wl-reply-subject-prefix)
 266                  original-subject))
 267         ((stringp wl-reply-subject-prefix)
 268          (concat wl-reply-subject-prefix
 269                  (wl-draft-strip-subject-regexp
 270                   (or original-subject "")
 271                   wl-subject-re-prefix-regexp)))
 272         (t original-subject)))
 273
 274 (defun wl-draft-forward (original-subject summary-buf &optional number)
 275   (let (references parent-folder subject)
 276     (with-current-buffer summary-buf
 277       (setq parent-folder (wl-summary-buffer-folder-name)))
 278     (setq subject (wl-draft-forward-make-subject original-subject))
 279     (with-current-buffer (wl-message-get-original-buffer)
 280       (setq references (nconc
 281                         (std11-field-bodies '("References" "In-Reply-To"))
 282                         (list (std11-field-body "Message-Id"))))
 283       (setq references (delq nil references)
 284             references (mapconcat 'identity references " ")
 285             references (wl-draft-parse-msg-id-list-string references)
 286             references (wl-delete-duplicates references)
 287             references (when references
 288                          (mapconcat 'identity references "\n\t"))))
 289     (and wl-draft-use-frame
 290          (get-buffer-window summary-buf)
 291          (select-window (get-buffer-window summary-buf)))
 292     (wl-draft (list (cons 'To "")
 293                     (cons 'Subject subject)
 294                     (cons 'References references))
 295               nil nil nil nil parent-folder))
 296   (setq wl-draft-parent-number number)
 297   (goto-char (point-max))
 298   (wl-draft-insert-message)
 299   (mail-position-on-field "To")
 300   (run-hooks 'wl-draft-forward-hook))
 301
 302 (defun wl-draft-self-reply-p ()
 303   "Return t when From address in the current message is user's self one or not."
 304   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
 305
 306 (defun wl-draft-reply (buf with-arg summary-buf &optional number)
 307   "Reply to BUF buffer message.
 308 Reply to author if WITH-ARG is non-nil."
 309 ;;;(save-excursion
 310   (let (r-list
 311         to mail-followup-to cc subject in-reply-to references newsgroups
 312         to-alist cc-alist decoder parent-folder)
 313     (when (buffer-live-p summary-buf)
 314       (with-current-buffer summary-buf
 315         (setq parent-folder (wl-summary-buffer-folder-name))))
 316     (set-buffer (or buf mime-mother-buffer))
 317     (setq r-list (if with-arg wl-draft-reply-with-argument-list
 318                    wl-draft-reply-without-argument-list))
 319     (catch 'done
 320       (while r-list
 321         (when (let ((condition (car (car r-list))))
 322                 (cond ((stringp condition)
 323                        (std11-field-body condition))
 324                       ((listp condition)
 325                        (catch 'done
 326                          (while condition
 327                            (cond
 328                             ((stringp (car condition))
 329                              (or (std11-field-body (car condition))
 330                                  (throw 'done nil)))
 331                             ((symbolp (car condition))
 332                              (or (funcall (car condition))
 333                                  (throw 'done nil)))
 334                             (t
 335                              (debug)))
 336                            (setq condition (cdr condition)))
 337                          t))
 338                       ((symbolp condition)
 339                        (funcall condition))))
 340           (let ((r-to-list (nth 0 (cdr (car r-list))))
 341                 (r-cc-list (nth 1 (cdr (car r-list))))
 342                 (r-ng-list (nth 2 (cdr (car r-list)))))
 343             (when (and (member "Followup-To" r-ng-list)
 344                        (string= (std11-field-body "Followup-To") "poster"))
 345               (setq r-to-list (cons "From" r-to-list))
 346               (setq r-ng-list (delete "Followup-To"
 347                                       (copy-sequence r-ng-list))))
 348             (if (and r-to-list (symbolp r-to-list))
 349                 (setq to (wl-concat-list (funcall r-to-list) ","))
 350               (setq to (wl-concat-list (cons to
 351                                              (elmo-multiple-fields-body-list
 352                                               r-to-list))
 353                                        ",")))
 354             (if (and r-cc-list (symbolp r-cc-list))
 355                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 356               (setq cc (wl-concat-list (cons cc
 357                                              (elmo-multiple-fields-body-list
 358                                               r-cc-list))
 359                                        ",")))
 360             (if (and r-ng-list (symbolp r-ng-list))
 361                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 362               (setq newsgroups (wl-concat-list (cons newsgroups
 363                                                      (std11-field-bodies
 364                                                       r-ng-list))
 365                                                ","))))
 366           (throw 'done nil))
 367         (setq r-list (cdr r-list)))
 368       (error "No match field: check your `wl-draft-reply-%s-argument-list'"
 369              (if with-arg "with" "without")))
 370     (setq subject (std11-field-body "Subject"))
 371     (setq to (wl-parse-addresses to)
 372           cc (wl-parse-addresses cc))
 373     (with-temp-buffer                   ; to keep raw buffer unibyte.
 374       (set-buffer-multibyte default-enable-multibyte-characters)
 375       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 376       (setq subject (wl-draft-reply-make-subject
 377                      (if (and subject decoder)
 378                          (funcall decoder subject) subject)))
 379       (setq to-alist
 380             (mapcar
 381              (lambda (addr)
 382                (setq decoder (mime-find-field-decoder 'To 'plain))
 383                (cons (nth 1 (std11-extract-address-components addr))
 384                      (if decoder (funcall decoder addr) addr)))
 385              to))
 386       (setq cc-alist
 387             (mapcar
 388              (lambda (addr)
 389                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 390                (cons (nth 1 (std11-extract-address-components addr))
 391                      (if decoder (funcall decoder addr) addr)))
 392              cc)))
 393     (setq in-reply-to (std11-field-body "Message-Id"))
 394     (setq references (nconc
 395                       (std11-field-bodies '("References" "In-Reply-To"))
 396                       (list in-reply-to)))
 397     (setq to (delq nil (mapcar 'car to-alist)))
 398     (setq cc (delq nil (mapcar 'car cc-alist)))
 399     ;; if subscribed mailing list is contained in cc or to
 400     ;; and myself is contained in cc,
 401     ;; delete myself from cc.
 402     (setq cc (wl-draft-delete-myself-from-cc to cc))
 403     (when wl-insert-mail-followup-to
 404       (setq mail-followup-to
 405             (wl-draft-make-mail-followup-to (append to cc)))
 406       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 407     (with-temp-buffer                   ; to keep raw buffer unibyte.
 408       (set-buffer-multibyte default-enable-multibyte-characters)
 409       (setq newsgroups (wl-parse newsgroups
 410                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 411             newsgroups (wl-delete-duplicates newsgroups)
 412             newsgroups
 413             (if newsgroups
 414                 (mapconcat
 415                  (lambda (grp)
 416                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 417                    (if decoder (funcall decoder grp) grp))
 418                  newsgroups ","))))
 419     (setq to (wl-delete-duplicates to nil t))
 420     (setq cc (wl-delete-duplicates
 421               (append (wl-delete-duplicates cc nil t)
 422                       to (copy-sequence to))
 423               t t))
 424     (and to (setq to (mapconcat
 425                       '(lambda (addr)
 426                          (if wl-draft-reply-use-address-with-full-name
 427                              (or (cdr (assoc addr to-alist)) addr)
 428                            addr))
 429                       to ",\n\t")))
 430     (and cc (setq cc (mapconcat
 431                       '(lambda (addr)
 432                          (if wl-draft-reply-use-address-with-full-name
 433                              (or (cdr (assoc addr cc-alist)) addr)
 434                            addr))
 435                       cc ",\n\t")))
 436     (and mail-followup-to
 437          (setq mail-followup-to
 438                (mapconcat
 439                 '(lambda (addr)
 440                    (if wl-draft-reply-use-address-with-full-name
 441                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 442                      addr))
 443                 mail-followup-to ",\n\t")))
 444     (and (null to) (setq to cc cc nil))
 445     (setq references (delq nil references)
 446           references (mapconcat 'identity references " ")
 447           references (wl-draft-parse-msg-id-list-string references)
 448           references (wl-delete-duplicates references)
 449           references (if references
 450                          (mapconcat 'identity references "\n\t")))
 451     (and wl-draft-use-frame
 452          (get-buffer-window summary-buf)
 453          (select-window (get-buffer-window summary-buf)))
 454     (wl-draft (list (cons 'To to)
 455                     (cons 'Cc cc)
 456                     (cons 'Newsgroups newsgroups)
 457                     (cons 'Subject subject)
 458                     (cons 'In-Reply-To in-reply-to)
 459                     (cons 'References references)
 460                     (cons 'Mail-Followup-To mail-followup-to))
 461               nil nil nil nil parent-folder)
 462     (setq wl-draft-parent-number number)
 463     (setq wl-draft-reply-buffer buf)
 464     (setq wl-draft-config-variables
 465           (append wl-draft-reply-saved-variables
 466                   wl-draft-config-variables)))
 467   (run-hooks 'wl-draft-reply-hook))
 468
 469 (defun wl-draft-reply-position (position)
 470   (cond ((eq position 'body)
 471          (wl-draft-body-goto-top))
 472         ((eq position 'bottom)
 473          (wl-draft-body-goto-bottom))
 474         ((eq position 'top)
 475          (goto-char (point-min)))
 476         ((and (stringp position)
 477               (std11-field-body position))
 478          (progn (mail-position-on-field position)
 479                 (wl-draft-beginning-of-line)))
 480         ((listp position)
 481          (while (car position)
 482            (wl-draft-reply-position (car position))
 483            (setq position (cdr position))))))
 484
 485 (defun wl-draft-add-references ()
 486   (wl-draft-add-in-reply-to "References"))
 487
 488 (defun wl-draft-add-in-reply-to (&optional alt-field)
 489   (let* ((mes-id (save-excursion
 490                    (set-buffer mail-reply-buffer)
 491                    (std11-field-body "message-id")))
 492          (field (or alt-field "In-Reply-To"))
 493          (ref (std11-field-body field))
 494          (ref-list nil) (st nil))
 495     (when (and mes-id ref)
 496       (while (string-match "<[^>]+>" ref st)
 497         (setq ref-list
 498               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 499                     ref-list)))
 500       (when (and ref-list
 501                  (member mes-id ref-list))
 502         (setq mes-id nil)))
 503     (when mes-id
 504       (save-excursion
 505         (when (mail-position-on-field field)
 506           (forward-line)
 507           (while (looking-at "^[ \t]")
 508             (forward-line))
 509           (setq mes-id (concat "\t" mes-id "\n")))
 510         (insert mes-id))
 511       t)))
 512
 513 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 514                                              &optional ignored-fields)
 515   (interactive)
 516   (save-restriction
 517     (narrow-to-region (point)(point))
 518     (insert
 519      (string-as-multibyte
 520       (with-current-buffer mail-reply-buffer
 521         (when decode-it
 522           (decode-mime-charset-region (point-min) (point-max)
 523                                       wl-mime-charset))
 524         (buffer-substring-no-properties
 525          (point-min) (point-max)))))
 526     (when ignored-fields
 527       (goto-char (point-min))
 528       (wl-draft-delete-fields ignored-fields))
 529     (goto-char (point-max))
 530     (push-mark (point) nil t)
 531     (goto-char (point-min)))
 532   (let ((beg (point)))
 533     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 534           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 535           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 536     (run-hooks 'wl-draft-cited-hook)
 537     (when (if wl-draft-add-references
 538               (wl-draft-add-references)
 539             (if wl-draft-add-in-reply-to
 540                 (wl-draft-add-in-reply-to)))
 541       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 542     (when wl-highlight-body-too
 543       (wl-highlight-body-region beg (point-max)))))
 544
 545 (defun wl-message-news-p ()
 546   "If exist valid Newsgroups field, return non-nil."
 547   (std11-field-body "Newsgroups"))
 548
 549 (defun wl-message-field-exists-p (field)
 550   "If FIELD exist and FIELD value is not empty, return non-nil."
 551   (let ((value (std11-field-body field)))
 552     (and value
 553          (not (string= value "")))))
 554
 555 (defun wl-message-mail-p ()
 556   "If exist To, Cc or Bcc field, return non-nil."
 557   (or (wl-message-field-exists-p "To")
 558       (wl-message-field-exists-p "Resent-to")
 559       (wl-message-field-exists-p "Cc")
 560       (wl-message-field-exists-p "Bcc")
 561       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 562 ;;; This may be needed..
 563 ;;;   (wl-message-field-exists-p "Fcc")
 564       ))
 565
 566 (defun wl-draft-edit-string (string)
 567   (let ((cur-buf (current-buffer))
 568         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 569         to subject in-reply-to cc references newsgroups mail-followup-to
 570         content-type content-transfer-encoding from
 571         body-beg)
 572     (set-buffer tmp-buf)
 573     (erase-buffer)
 574     (insert string)
 575     (setq to (std11-field-body "To"))
 576     (setq to (and to
 577                   (eword-decode-string
 578                    (decode-mime-charset-string
 579                     to
 580                     wl-mime-charset))))
 581     (setq subject (std11-field-body "Subject"))
 582     (setq subject (and subject
 583                        (eword-decode-string
 584                         (decode-mime-charset-string
 585                          subject
 586                          wl-mime-charset))))
 587     (setq from (std11-field-body "From")
 588           from (and from
 589                     (eword-decode-string
 590                      (decode-mime-charset-string
 591                       from
 592                       wl-mime-charset))))
 593     (setq in-reply-to (std11-field-body "In-Reply-To"))
 594     (setq cc (std11-field-body "Cc"))
 595     (setq cc (and cc
 596                   (eword-decode-string
 597                    (decode-mime-charset-string
 598                     cc
 599                     wl-mime-charset))))
 600     (setq references (std11-field-body "References"))
 601     (setq newsgroups (std11-field-body "Newsgroups"))
 602     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 603     (setq content-type (std11-field-body "Content-Type"))
 604     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 605     (goto-char (point-min))
 606     (or (re-search-forward "\n\n" nil t)
 607         (search-forward (concat mail-header-separator "\n") nil t))
 608     (unwind-protect
 609         (set-buffer
 610          (wl-draft (list
 611                     (cons 'From
 612                           (if (wl-address-user-mail-address-p from) from))
 613                     (cons 'To to)
 614                     (cons 'Cc cc)
 615                     (cons 'Subject subject)
 616                     (cons 'Newsgroups newsgroups)
 617                     (cons 'Mail-Followup-To mail-followup-to)
 618                     (cons 'In-Reply-To in-reply-to)
 619                     (cons 'References references))
 620                    content-type content-transfer-encoding
 621                    (buffer-substring (point) (point-max))
 622                    'edit-again))
 623       (kill-buffer tmp-buf))
 624     ;; Set cursor point to the top.
 625     (goto-char (point-min))
 626     (search-forward (concat mail-header-separator "\n") nil t)
 627     (run-hooks 'wl-draft-reedit-hook)
 628     (and to (mail-position-on-field "To"))))
 629
 630 (defun wl-draft-insert-current-message (dummy)
 631   (interactive)
 632   (let (original-buffer
 633         mail-reply-buffer
 634         mail-citation-hook mail-yank-hooks
 635         wl-draft-add-references wl-draft-add-in-reply-to
 636         wl-draft-cite-function)
 637     (if (and wl-draft-buffer-cur-summary-buffer
 638              (with-current-buffer wl-draft-buffer-cur-summary-buffer
 639                (and wl-message-buffer
 640                     (with-current-buffer wl-message-buffer
 641                       (setq original-buffer (wl-message-get-original-buffer))
 642                       (not (zerop (with-current-buffer original-buffer
 643                                     (buffer-size))))))))
 644         (progn
 645           (setq mail-reply-buffer original-buffer)
 646           (wl-draft-yank-from-mail-reply-buffer
 647            nil
 648            wl-ignored-forwarded-headers))
 649       (when (string= (mime-make-tag "message" "rfc822")
 650                      (buffer-substring-no-properties (point-at-bol 0)(point-at-eol 0)))
 651         (delete-region (point-at-bol 0) (1+ (point-at-eol 0))))
 652       (error "No current message"))))
 653
 654 (defun wl-draft-insert-get-message (dummy)
 655   (let ((fld (completing-read
 656               "Folder name: "
 657               (if (memq 'read-folder wl-use-folder-petname)
 658                   (wl-folder-get-entity-with-petname)
 659                 wl-folder-entity-hashtb)
 660               nil nil wl-default-spec
 661               'wl-read-folder-history))
 662         (number (call-interactively
 663                  (function (lambda (num)
 664                              (interactive "nNumber: ")
 665                              num))))
 666         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 667         mail-citation-hook mail-yank-hooks
 668         wl-draft-cite-function)
 669     (unwind-protect
 670         (progn
 671           (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 672                               number
 673                               ;; No cache.
 674                               (elmo-make-fetch-strategy 'entire)
 675                               nil mail-reply-buffer)
 676           (wl-draft-yank-from-mail-reply-buffer nil))
 677       (kill-buffer mail-reply-buffer))))
 678
 679 ;;
 680 ;; default body citation func
 681 ;;
 682 (defun wl-default-draft-cite ()
 683   (let ((mail-yank-ignored-headers "[^:]+:")
 684         (mail-yank-prefix "> ")
 685         date from cite-title)
 686     (save-restriction
 687       (if (< (mark t) (point))
 688           (exchange-point-and-mark))
 689       (narrow-to-region (point)(point-max))
 690       (setq date (std11-field-body "date")
 691             from (std11-field-body "from")))
 692     (when (or date from)
 693       (insert (format "At %s,\n%s wrote:\n"
 694                       (or date "some time ago")
 695                       (if wl-default-draft-cite-decorate-author
 696                           (funcall wl-summary-from-function
 697                                    (or from "you"))
 698                         (or from "you")))))
 699     (mail-indent-citation)))
 700
 701 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 702 (defun wl-draft-yank-to-draft-buffer (buffer)
 703   "Yank BUFFER content to `wl-draft-buffer'."
 704   (set-buffer wl-draft-buffer)
 705   (let ((mail-reply-buffer buffer))
 706     (wl-draft-yank-from-mail-reply-buffer nil)
 707     (kill-buffer buffer)))
 708
 709 (defun wl-draft-yank-original (&optional arg)
 710   "Yank original message."
 711   (interactive "P")
 712   (if arg
 713       (let (buf mail-reply-buffer)
 714         (elmo-set-work-buf
 715          (insert "\n")
 716          (yank)
 717          (setq buf (current-buffer)))
 718         (setq mail-reply-buffer buf)
 719         (wl-draft-yank-from-mail-reply-buffer nil))
 720     (wl-draft-yank-current-message-entity)))
 721
 722 (defun wl-draft-hide (editing-buffer)
 723   "Hide the editing draft buffer if possible."
 724   (when (and editing-buffer
 725              (buffer-live-p editing-buffer)
 726              (get-buffer-window editing-buffer))
 727     (select-window (get-buffer-window editing-buffer))
 728     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 729           fld-buf sum-win fld-win)
 730       (if (and wl-draft-use-frame
 731                (> (length (visible-frame-list)) 1))
 732           ;; hide draft frame
 733           (delete-frame)
 734         ;; hide draft window
 735         (or (one-window-p)
 736             (delete-window))
 737         ;; stay folder window if required
 738         (when wl-stay-folder-window
 739           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 740               (if (setq fld-win (get-buffer-window fld-buf))
 741                   (select-window fld-win)
 742                 (if wl-draft-resume-folder-window ;; resume folder window
 743                     (switch-to-buffer fld-buf)))))
 744         (if (buffer-live-p sum-buf)
 745             (if (setq sum-win (get-buffer-window sum-buf t))
 746                 ;; if Summary is on the frame, select it.
 747                 (select-window sum-win)
 748               ;; if summary is not on the frame, switch to it.
 749               (if (and wl-stay-folder-window
 750                        (or wl-draft-resume-folder-window fld-win))
 751                   (wl-folder-select-buffer sum-buf)
 752                 (switch-to-buffer sum-buf))))))))
 753
 754 (defun wl-draft-delete (editing-buffer)
 755   "Kill the editing draft buffer and delete the file corresponds to it."
 756   (save-excursion
 757     (when editing-buffer
 758       (set-buffer editing-buffer)
 759       (when wl-draft-buffer-message-number
 760         (elmo-folder-delete-messages (wl-draft-get-folder)
 761                                      (list
 762                                       wl-draft-buffer-message-number))
 763         (wl-draft-config-info-operation wl-draft-buffer-message-number
 764                                         'delete))
 765       (set-buffer-modified-p nil)               ; force kill
 766       (kill-buffer editing-buffer))))
 767
 768 (defun wl-draft-kill (&optional force-kill)
 769   "Kill current draft buffer and quit editing."
 770   (interactive "P")
 771   (save-excursion
 772     (when (and (or (eq major-mode 'wl-draft-mode)
 773                    (eq major-mode 'mail-mode))
 774                (or force-kill
 775                    (yes-or-no-p "Kill Current Draft? ")))
 776       (let ((cur-buf (current-buffer)))
 777         (when (and wl-draft-parent-number
 778                    (not (string= wl-draft-parent-folder "")))
 779           (let* ((number wl-draft-parent-number)
 780                  (folder-name wl-draft-parent-folder)
 781                  (folder (wl-folder-get-elmo-folder folder-name))
 782                  buffer)
 783             (if (and (setq buffer (wl-summary-get-buffer folder-name))
 784                      (with-current-buffer buffer
 785                        (string= (wl-summary-buffer-folder-name)
 786                                 folder-name)))
 787                 (with-current-buffer buffer
 788                   (dolist (flag wl-draft-kill-flags)
 789                     (elmo-folder-unset-flag folder (list number) flag))
 790                   (when (wl-summary-jump-to-msg number)
 791                     (wl-summary-update-persistent-mark)))
 792               (elmo-folder-open folder 'load-msgdb)
 793               (elmo-folder-unset-flag folder (list number) 'answered)
 794               (elmo-folder-close folder))))
 795         (wl-draft-hide cur-buf)
 796         (wl-draft-delete cur-buf)))
 797     (message "")))
 798
 799 (defun wl-draft-fcc ()
 800   "Add a new Fcc field, with file name completion."
 801   (interactive)
 802   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 803       (mail-position-on-field "to"))
 804   (insert "\nFcc: "))
 805
 806 ;; Imported from message.el.
 807 (defun wl-draft-elide-region (b e)
 808   "Elide the text in the region.
 809 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 810 text was killed."
 811   (interactive "r")
 812   (kill-region b e)
 813   (insert wl-draft-elide-ellipsis))
 814
 815 ;; Imported from message.el.
 816 (defun wl-draft-beginning-of-line (&optional n)
 817   "Move point to beginning of header value or to beginning of line."
 818   (interactive "p")
 819   (let ((zrs 'zmacs-region-stays))
 820     (when (and (interactive-p) (boundp zrs))
 821       (set zrs t)))
 822   (if (wl-draft-point-in-header-p)
 823       (let* ((here (point))
 824              (bol (progn (beginning-of-line n) (point)))
 825              (eol (line-end-position))
 826              (eoh (and (looking-at "[^ \t]")
 827                        (re-search-forward ": *" eol t))))
 828         (if (and eoh (or (> here eoh) (= here bol)))
 829             (goto-char eoh)
 830           (goto-char bol)))
 831     (beginning-of-line n)))
 832
 833 (defun wl-draft-point-in-header-p ()
 834   "Return t if point is in the header."
 835   (save-excursion
 836     (let ((p (point)))
 837       (goto-char (point-min))
 838       (not (re-search-forward
 839             (concat "^" (regexp-quote mail-header-separator) "\n")
 840             p t)))))
 841
 842 ;; function for wl-sent-message-via
 843
 844 (defmacro wl-draft-sent-message-p (type)
 845   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 846
 847 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 848   (` (let ((element (assq (, type) wl-sent-message-via)))
 849        (if element
 850            (unless (eq (nth 1 element) (, result))
 851              (setcdr element (list (, result) (, server-port)))
 852              (setq wl-sent-message-modified t))
 853          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 854          (setq wl-sent-message-modified t)))))
 855
 856 (defun wl-draft-sent-message-results ()
 857   (let ((results wl-sent-message-via)
 858         unplugged-via sent-via)
 859     (while results
 860       (cond ((eq (nth 1 (car results)) 'unplugged)
 861              (push (caar results) unplugged-via))
 862             ((eq (nth 1 (car results)) 'sent)
 863              (push (caar results) sent-via)))
 864       (setq results (cdr results)))
 865     (list unplugged-via sent-via)))
 866
 867 (defun wl-draft-write-sendlog (status proto server to id)
 868   "Write send log file, if `wl-draft-sendlog' is non-nil."
 869   (when wl-draft-sendlog
 870     (with-temp-buffer
 871       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 872                                          elmo-msgdb-directory))
 873              (filesize (nth 7 (file-attributes filename)))
 874              (server (if server (concat " server=" server) ""))
 875              (to (if to (cond
 876                          ((memq proto '(fcc queue))
 877                           (format " folder=\"%s\"" to))
 878                          ((eq proto 'nntp)
 879                           (format " ng=<%s>" to))
 880                          (t
 881                           (concat " to="
 882                                   (mapconcat
 883                                    'identity
 884                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 885                                    ","))))
 886                    ""))
 887              (id (if id (concat " id=" id) ""))
 888              (time (format-time-string "%Y/%m/%d %T")))
 889         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 890                         time proto status server to id))
 891         (if (and wl-draft-sendlog-max-size filesize
 892                  (> filesize wl-draft-sendlog-max-size))
 893             (rename-file filename (concat filename ".old") t))
 894         (if (file-writable-p filename)
 895             (write-region-as-binary (point-min) (point-max)
 896                                     filename t 'no-msg)
 897           (message "%s is not writable." filename))))))
 898
 899 (defun wl-draft-get-header-delimiter (&optional delete)
 900   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 901   (let (delimline)
 902     (goto-char (point-min))
 903     (when (re-search-forward
 904            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 905       (replace-match "")
 906       (if delete
 907           (forward-char -1))
 908       (setq delimline (point-marker)))
 909     delimline))
 910
 911 (defun wl-draft-send-mail-with-qmail ()
 912   "Pass the prepared message buffer to qmail-inject.
 913 Refer to the documentation for the variable `send-mail-function'
 914 to find out how to use this."
 915   (if (and wl-draft-qmail-send-plugged
 916            (not (elmo-plugged-p)))
 917       (wl-draft-set-sent-message 'mail 'unplugged)
 918     ;; send the message
 919     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 920     (let ((id (std11-field-body "Message-ID"))
 921           (to (std11-field-body "To")))
 922       (case
 923           (as-binary-process
 924            (apply
 925             'call-process-region 1 (point-max) wl-qmail-inject-program
 926             nil nil nil
 927             wl-qmail-inject-args))
 928         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 929         ;; we have to look at the retval instead
 930         (0   (progn
 931                (wl-draft-set-sent-message 'mail 'sent)
 932                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 933         (1   (error "`qmail-inject' reported permanent failure"))
 934         (111 (error "`qmail-inject' reported transient failure"))
 935         ;; should never happen
 936         (t   (error "`qmail-inject' reported unknown failure"))))))
 937
 938 (defun wl-draft-parse-msg-id-list-string (string)
 939   "Get msg-id list from STRING."
 940   (let (msg-id-list)
 941     (dolist (parsed-id (std11-parse-msg-ids-string string))
 942       (when (eq (car parsed-id) 'msg-id)
 943         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 944                                 msg-id-list))))
 945     (nreverse msg-id-list)))
 946
 947 (defun wl-draft-eword-encode-address-list (string &optional column)
 948   "Encode header field STRING as list of address, and return the result.
 949 Cause an error when STRING contains invalid address.
 950 Optional argument COLUMN is start-position of the field."
 951   (car (eword-encode-rword-list
 952         (or column eword-encode-default-start-column)
 953         (eword-encode-addresses-to-rword-list
 954          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 955
 956 (defun wl-draft-std11-parse-addresses (lal)
 957   (let ((ret (std11-parse-address lal)))
 958     (when (and (not (and (eq (length lal) 1)
 959                          (eq (car (car lal)) 'spaces)))
 960                (null ret))
 961       (error "Error while parsing address"))
 962     (if ret
 963         (let ((dest (list (car ret))))
 964           (setq lal (cdr ret))
 965           (while (and (setq ret (std11-parse-ascii-token lal))
 966                       (string-equal (cdr (assq 'specials (car ret))) ",")
 967                       (setq ret (std11-parse-address (cdr ret)))
 968                       )
 969             (setq dest (cons (car ret) dest))
 970             (setq lal (cdr ret)))
 971           (while (eq 'spaces (car (car lal)))
 972             (setq lal (cdr lal)))
 973           (if lal (error "Error while parsing address"))
 974           (nreverse dest)))))
 975
 976 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 977   "Get mailbox list of FIELD from current buffer.
 978 The buffer is expected to be narrowed to just the headers of the message.
 979 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 980 from current buffer."
 981   (save-excursion
 982     (let ((case-fold-search t)
 983           (inhibit-read-only t)
 984           addresses address
 985           mailbox-list beg seq has-group-list)
 986       (goto-char (point-min))
 987       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 988                                 nil t)
 989         (setq beg (point))
 990         (re-search-forward "^[^ \t]" nil 'move)
 991         (beginning-of-line)
 992         (skip-chars-backward "\n")
 993         (setq seq (std11-lexical-analyze
 994                    (buffer-substring-no-properties beg (point))))
 995         (setq addresses (wl-draft-std11-parse-addresses seq))
 996         (while addresses
 997           (cond ((eq (car (car addresses)) 'group)
 998                  (setq has-group-list t)
 999                  (setq mailbox-list
1000                        (nconc mailbox-list
1001                               (mapcar
1002                                'std11-address-string
1003                                (nth 2 (car addresses))))))
1004                 ((eq (car (car addresses)) 'mailbox)
1005                  (setq address (nth 1 (car addresses)))
1006                  (setq mailbox-list
1007                        (nconc mailbox-list
1008                               (list
1009                                (std11-addr-to-string
1010                                 (if (eq (car address) 'phrase-route-addr)
1011                                     (nth 2 address)
1012                                   (cdr address))))))))
1013           (setq addresses (cdr addresses)))
1014         (when (and remove-group-list has-group-list)
1015           (delete-region beg (point))
1016           (insert (wl-address-string-without-group-list-contents seq))))
1017       mailbox-list)))
1018
1019 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1020   "Get address list suitable for smtp RCPT TO:<address>.
1021 Group list content is removed if `wl-draft-remove-group-list-contents' is
1022 non-nil."
1023   (let ((fields (if (and wl-draft-doing-mime-bcc
1024                          wl-draft-disable-bcc-for-mime-bcc)
1025                     '("to" "cc")
1026                   '("to" "cc" "bcc")))
1027         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1028         (case-fold-search t)
1029         addrs recipients)
1030     (save-excursion
1031       (save-restriction
1032         (narrow-to-region header-start header-end)
1033         (goto-char (point-min))
1034         (save-excursion
1035           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1036               (setq fields resent-fields)))
1037         (while fields
1038           (setq recipients
1039                 (nconc recipients
1040                        (wl-draft-parse-mailbox-list
1041                         (car fields)
1042                         wl-draft-remove-group-list-contents)))
1043           (setq fields (cdr fields)))
1044         recipients))))
1045
1046 ;;
1047 ;; from Semi-gnus
1048 ;;
1049 (defun wl-draft-send-mail-with-smtp ()
1050   "Send the prepared message buffer with SMTP."
1051   (require 'smtp)
1052   (let* ((errbuf (if mail-interactive
1053                      (generate-new-buffer " smtp errors")
1054                    0))
1055          (case-fold-search t)
1056          (default-case-fold-search t)
1057          (sender (or wl-envelope-from
1058                      (wl-address-header-extract-address wl-from)))
1059          (delimline (save-excursion
1060                       (goto-char (point-min))
1061                       (re-search-forward
1062                        (concat "^" (regexp-quote mail-header-separator)
1063                                "$\\|^$") nil t)
1064                       (point-marker)))
1065          (smtp-server
1066           (or wl-smtp-posting-server smtp-server "localhost"))
1067          (smtp-service (or wl-smtp-posting-port smtp-service))
1068          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1069          (id (std11-field-body "message-id"))
1070          recipients)
1071     (if (not (elmo-plugged-p smtp-server smtp-service))
1072         (wl-draft-set-sent-message 'mail 'unplugged
1073                                    (cons smtp-server smtp-service))
1074       (unwind-protect
1075           (save-excursion
1076             ;; Instead of `smtp-deduce-address-list'.
1077             (setq recipients (wl-draft-deduce-address-list
1078                               (current-buffer) (point-min) delimline))
1079             (unless recipients (error "No recipients"))
1080             ;; Insert an extra newline if we need it to work around
1081             ;; Sun's bug that swallows newlines.
1082             (goto-char (1+ delimline))
1083             (if (eval mail-mailer-swallows-blank-line)
1084                 (newline))
1085             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1086             (if mail-interactive
1087                 (save-excursion
1088                   (set-buffer errbuf)
1089                   (erase-buffer)))
1090             (wl-draft-delete-field "bcc" delimline)
1091             (wl-draft-delete-field "resent-bcc" delimline)
1092             (let (process-connection-type)
1093               (as-binary-process
1094                (when recipients
1095                  (wl-smtp-extension-bind
1096                   (condition-case err
1097                       (smtp-send-buffer sender recipients (current-buffer))
1098                     (error
1099                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1100                                              recipients id)
1101                      (if (and (eq (car err) 'smtp-response-error)
1102                               (= (nth 1 err) 535))
1103                          (elmo-remove-passwd
1104                           (wl-smtp-password-key
1105                            smtp-sasl-user-name
1106                            (car smtp-sasl-mechanisms)
1107                            smtp-server)))
1108                      (signal (car err) (cdr err)))
1109                     (quit
1110                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1111                                              recipients id)
1112                      (signal (car err) (cdr err)))))
1113                  (wl-draft-set-sent-message 'mail 'sent)
1114                  (wl-draft-write-sendlog
1115                   'ok 'smtp smtp-server recipients id)))))
1116         (if (bufferp errbuf)
1117             (kill-buffer errbuf))))))
1118
1119 (defun wl-draft-send-mail-with-pop-before-smtp ()
1120   "Send the prepared message buffer with POP-before-SMTP."
1121   (require 'elmo-pop3)
1122   (let ((folder
1123          (luna-make-entity
1124           'elmo-pop3-folder
1125           :user   (or wl-pop-before-smtp-user
1126                       elmo-pop3-default-user)
1127           :server (or wl-pop-before-smtp-server
1128                       elmo-pop3-default-server)
1129           :port   (or wl-pop-before-smtp-port
1130                       elmo-pop3-default-port)
1131           :auth   (or wl-pop-before-smtp-authenticate-type
1132                       elmo-pop3-default-authenticate-type)
1133           :stream-type (elmo-get-network-stream-type
1134                         (or wl-pop-before-smtp-stream-type
1135                             elmo-pop3-default-stream-type))))
1136         session)
1137     (condition-case error
1138         (progn
1139           (setq session (elmo-pop3-get-session folder))
1140           (when session (elmo-network-close-session session)))
1141       (error
1142        (unless (string= (nth 1 error) "Unplugged")
1143          (signal (car error) (cdr error))))))
1144   (wl-draft-send-mail-with-smtp))
1145
1146 (defun wl-draft-insert-required-fields (&optional force-msgid)
1147   "Insert Message-ID, Date, and From field.
1148 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1149   ;; Insert Message-Id field...
1150   (goto-char (point-min))
1151   (when (and (or force-msgid
1152                  wl-insert-message-id)
1153              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1154     (insert (concat "Message-ID: "
1155                     (funcall wl-message-id-function)
1156                     "\n")))
1157   ;; Insert date field.
1158   (goto-char (point-min))
1159   (or (re-search-forward "^Date[ \t]*:" nil t)
1160       (wl-draft-insert-date-field))
1161   ;; Insert from field.
1162   (goto-char (point-min))
1163   (or (re-search-forward "^From[ \t]*:" nil t)
1164       (wl-draft-insert-from-field)))
1165
1166 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1167   "Send the message in the current buffer."
1168   (save-restriction
1169     (narrow-to-region (goto-char (point-min))
1170                       (if (re-search-forward
1171                            (concat
1172                             "^" (regexp-quote mail-header-separator) "$")
1173                            nil t)
1174                           (match-beginning 0)
1175                         (point-max)))
1176     (wl-draft-insert-required-fields)
1177     ;; ignore any blank lines in the header
1178     (while (progn (goto-char (point-min))
1179                   (re-search-forward "\n[ \t]*\n\n*" nil t))
1180       (replace-match "\n"))
1181     (goto-char (point-min))
1182     (while (re-search-forward
1183             "^[^ \t\n:]+:[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n"
1184             nil t)
1185       (when (string= "" (match-string 1))
1186         (replace-match ""))))
1187 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1188   (wl-draft-dispatch-message)
1189   (when kill-when-done
1190     ;; hide editing-buffer.
1191     (wl-draft-hide editing-buffer)
1192     ;; delete editing-buffer and its file.
1193     (wl-draft-delete editing-buffer)))
1194
1195 (defun wl-draft-dispatch-message (&optional mes-string)
1196   "Send the message in the current buffer.  Not modified the header fields."
1197   (let (delimline mime-bcc)
1198     (if (and wl-draft-verbose-send mes-string)
1199         (message "%s" mes-string))
1200     ;; get fcc folders.
1201     (setq delimline (wl-draft-get-header-delimiter t))
1202     (unless wl-draft-fcc-list
1203       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1204     ;;
1205     (setq wl-sent-message-modified nil)
1206     (unwind-protect
1207         (progn
1208           (if (and (wl-message-mail-p)
1209                    (not (wl-draft-sent-message-p 'mail)))
1210               (if (or (not (or wl-draft-force-queuing
1211                                wl-draft-force-queuing-mail))
1212                       (memq 'mail wl-sent-message-queued))
1213                   (progn
1214                     (setq mime-bcc (wl-draft-mime-bcc-field))
1215                     (funcall wl-draft-send-mail-function)
1216                     (when (not (zerop (length mime-bcc)))
1217                       (wl-draft-do-mime-bcc mime-bcc)))
1218                 (push 'mail wl-sent-message-queued)
1219                 (wl-draft-set-sent-message 'mail 'unplugged)))
1220           (if (and (wl-message-news-p)
1221                    (not (wl-draft-sent-message-p 'news))
1222                    (not (wl-message-field-exists-p "Resent-to")))
1223               (if (or (not (or wl-draft-force-queuing
1224                                wl-draft-force-queuing-news))
1225                       (memq 'news wl-sent-message-queued))
1226                   (funcall wl-draft-send-news-function)
1227                 (push 'news wl-sent-message-queued)
1228                 (wl-draft-set-sent-message 'news 'unplugged))))
1229       (let* ((status (wl-draft-sent-message-results))
1230              (unplugged-via (car status))
1231              (sent-via (nth 1 status)))
1232         ;; If one sent, process fcc folder.
1233         (if (and sent-via wl-draft-fcc-list)
1234             (progn
1235               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1236                                wl-draft-fcc-list)
1237               (setq wl-draft-fcc-list nil)))
1238         (if wl-draft-use-cache
1239             (let ((id (std11-field-body "Message-ID"))
1240                   (elmo-enable-disconnected-operation t))
1241               (elmo-file-cache-save (elmo-file-cache-get-path id)
1242                                     nil)))
1243         ;; If one unplugged, append queue.
1244         (when (and unplugged-via
1245                    wl-sent-message-modified)
1246           (if wl-draft-enable-queuing
1247               (progn
1248                 (wl-draft-queue-append wl-sent-message-via)
1249                 (setq wl-sent-message-modified 'requeue))
1250             (error "Unplugged")))
1251         (when wl-draft-verbose-send
1252           (if (and unplugged-via sent-via);; combined message
1253               (progn
1254                 (setq wl-draft-verbose-msg
1255                       (format "Sending%s and Queuing%s..."
1256                               sent-via unplugged-via))
1257                 (message "%sdone" wl-draft-verbose-msg))
1258             (if mes-string
1259                 (message "%s%s"
1260                          mes-string
1261                          (if sent-via "done" "failed"))))))))
1262   (not wl-sent-message-modified)) ;; return value
1263
1264 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1265   "Force send current buffer as raw message."
1266   (interactive)
1267   (save-excursion
1268     (let (wl-interactive-send
1269 ;;;       wl-draft-verbose-send
1270           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1271           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1272           mail-send-hook
1273           mail-send-actions)
1274       (wl-draft-send kill-when-done mes-string))))
1275
1276 (defun wl-draft-clone-local-variables ()
1277   (let ((locals (buffer-local-variables))
1278         result)
1279     (while locals
1280       (when (and (consp (car locals))
1281                  (car (car locals))
1282                  (string-match wl-draft-clone-local-variable-regexp
1283                                (symbol-name (car (car locals)))))
1284         (wl-append result (list (car (car locals)))))
1285       (setq locals (cdr locals)))
1286     result))
1287
1288 (defcustom wl-draft-send-confirm-with-preview t
1289   "Non-nil to invoke preview through confirmation of sending.
1290 This variable is valid when `wl-interactive-send' has non-nil value."
1291   :type 'boolean
1292   :group 'wl-draft)
1293
1294 (defun wl-draft-send-confirm ()
1295   (let (answer)
1296     (unwind-protect
1297         (condition-case quit
1298             (progn
1299               (when wl-draft-send-confirm-with-preview
1300                 (wl-draft-preview-message))
1301               (save-excursion
1302                 (goto-char (point-min)) ; to show recipients in header
1303                 (catch 'done
1304                   (while t
1305                     (discard-input)
1306                     (message "Send current draft? <y/n/j(down)/k(up)> ")
1307                     (setq answer (let ((cursor-in-echo-area t)) (read-char)))
1308                     (cond
1309                      ((or (eq answer ?y)
1310                           (eq answer ?Y)
1311                           (eq answer ? ))
1312                   (throw 'done t))
1313                      ((or (eq answer ?v)
1314                           (eq answer ?j)
1315                           (eq answer ?J))
1316                       (condition-case err
1317                           (scroll-up)
1318                         (error nil)))
1319                      ((or (eq answer ?^)
1320                           (eq answer ?k)
1321                           (eq answer ?K))
1322                       (condition-case err
1323                           (scroll-down)
1324                         (error nil)))
1325                      (t
1326                       (throw 'done nil)))))))
1327           (quit nil))
1328       (when wl-draft-send-confirm-with-preview
1329         (mime-preview-quit)))))
1330
1331 (defun wl-draft-send (&optional kill-when-done mes-string)
1332   "Send current draft message.
1333 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1334   (interactive)
1335   ;; Don't call this explicitly.
1336   ;; Added to 'wl-draft-send-hook (by teranisi)
1337   ;; (wl-draft-config-exec)
1338   (run-hooks 'wl-draft-send-hook)
1339   (when (or (not wl-interactive-send)
1340             (wl-draft-send-confirm))
1341     (let ((send-mail-function 'wl-draft-raw-send)
1342           (editing-buffer (current-buffer))
1343           (sending-buffer (wl-draft-generate-clone-buffer
1344                            " *wl-draft-sending-buffer*"
1345                            (append wl-draft-config-variables
1346                                    (wl-draft-clone-local-variables))))
1347           (wl-draft-verbose-msg nil)
1348           err)
1349       (unwind-protect
1350           (save-excursion
1351             (set-buffer sending-buffer)
1352             (if (and (not (wl-message-mail-p))
1353                      (not (wl-message-news-p)))
1354                 (error "No recipient is specified"))
1355             (expand-abbrev)             ; for mail-abbrevs
1356             (let ((mime-header-encode-method-alist
1357                    (append
1358                     '((wl-draft-eword-encode-address-list
1359                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1360                     (if (boundp 'mime-header-encode-method-alist)
1361                         (symbol-value 'mime-header-encode-method-alist)))))
1362               (run-hooks 'mail-send-hook) ; translate buffer
1363               )
1364             ;;
1365             (if wl-draft-verbose-send
1366                 (message "%s" (or mes-string "Sending...")))
1367             (funcall wl-draft-send-function editing-buffer kill-when-done)
1368             ;; Now perform actions on successful sending.
1369             (while mail-send-actions
1370               (condition-case ()
1371                   (apply (car (car mail-send-actions))
1372                          (cdr (car mail-send-actions)))
1373                 (error))
1374               (setq mail-send-actions (cdr mail-send-actions)))
1375             (if wl-draft-verbose-send
1376                 (message "%sdone"
1377                          (or wl-draft-verbose-msg
1378                              mes-string
1379                              "Sending..."))))
1380         ;; kill sending buffer, anyway.
1381         (and (buffer-live-p sending-buffer)
1382              (kill-buffer sending-buffer))))))
1383
1384 (defun wl-draft-mime-bcc-field ()
1385   "Return the MIME-Bcc field body.  The field is deleted."
1386   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1387     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1388
1389 (defun wl-draft-do-mime-bcc (field-body)
1390   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1391   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1392                                            'From))
1393         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1394                                                "")
1395                                            'Subject))
1396         (recipients (wl-parse-addresses field-body))
1397         (draft-buffer (current-buffer))
1398         wl-draft-use-frame)
1399     (save-window-excursion
1400       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1401                  (not (zerop (length field-body))))
1402         (let ((wl-draft-doing-mime-bcc t))
1403           (dolist (recipient recipients)
1404             (wl-draft-create-buffer)
1405             (wl-draft-create-contents
1406              (append `((From . ,orig-from)
1407                        (To . ,recipient)
1408                        (Subject . ,(concat "A blind carbon copy ("
1409                                            orig-subj
1410                                            ")")))
1411                      (wl-draft-default-headers)))
1412             (wl-draft-insert-mail-header-separator)
1413             (wl-draft-prepare-edit)
1414             (goto-char (point-max))
1415             (insert (or wl-draft-mime-bcc-body
1416                         "This is a blind carbon copy.")
1417                     "\n")
1418             (mime-edit-insert-tag "message" "rfc822")
1419             (insert-buffer draft-buffer)
1420             (let (wl-interactive-send)
1421               (wl-draft-send 'kill-when-done))))))))
1422
1423 (defun wl-draft-save ()
1424   "Save current draft."
1425   (interactive)
1426   (if (buffer-modified-p)
1427       (progn
1428         (message "Saving...")
1429         (let ((msg (buffer-substring-no-properties (point-min) (point-max)))
1430               next-number)
1431           (when wl-draft-buffer-message-number
1432             (elmo-folder-delete-messages (wl-draft-get-folder)
1433                                          (list wl-draft-buffer-message-number))
1434             (wl-draft-config-info-operation wl-draft-buffer-message-number
1435                                             'delete))
1436           (elmo-folder-check (wl-draft-get-folder))
1437           ;; If no header separator, insert it.
1438           (with-temp-buffer
1439             (insert msg)
1440             (goto-char (point-min))
1441             (unless (re-search-forward
1442                      (concat "^" (regexp-quote mail-header-separator) "$")
1443                      nil t)
1444               (goto-char (point-min))
1445               (if (re-search-forward "\n\n" nil t)
1446                   (replace-match (concat "\n" mail-header-separator "\n"))
1447                 (goto-char (point-max))
1448                 (insert (if (eq (char-before) ?\n) "" "\n")
1449                         mail-header-separator "\n")))
1450             (let ((mime-header-encode-method-alist
1451                    (append
1452                     '((eword-encode-unstructured-field-body
1453                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1454                     (if (boundp 'mime-header-encode-method-alist)
1455                         (symbol-value 'mime-header-encode-method-alist)))))
1456               (mime-edit-translate-buffer))
1457             (wl-draft-get-header-delimiter t)
1458             (setq next-number
1459                   (elmo-folder-next-message-number (wl-draft-get-folder)))
1460             (elmo-folder-append-buffer (wl-draft-get-folder)))
1461           (elmo-folder-check (wl-draft-get-folder))
1462           (elmo-folder-commit (wl-draft-get-folder))
1463           (setq wl-draft-buffer-message-number next-number)
1464           (rename-buffer (format "%s/%d" wl-draft-folder next-number))
1465           (setq buffer-file-name (buffer-name))
1466           (set-buffer-modified-p nil)
1467           (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
1468           (message "Saving...done")))
1469     (message "(No changes need to be saved)")))
1470
1471 (defun wl-draft-mimic-kill-buffer ()
1472   "Kill the current (draft) buffer with query."
1473   (interactive)
1474   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1475                                       (buffer-name))))
1476         wl-draft-use-frame)
1477     (if (or (not bufname)
1478             (string-equal bufname "")
1479             (string-equal bufname (buffer-name)))
1480         (let ((bufname (current-buffer)))
1481           (when (or (not (buffer-modified-p))
1482                     (yes-or-no-p
1483                      (format "Buffer %s modified; kill anyway? " bufname)))
1484             (set-buffer-modified-p nil)
1485             (wl-draft-hide bufname)
1486             (kill-buffer bufname)))
1487       (kill-buffer bufname))))
1488
1489 (defun wl-draft-save-and-exit ()
1490   "Save current draft and exit current draft mode."
1491   (interactive)
1492   (wl-draft-save)
1493   (let ((editing-buffer (current-buffer)))
1494     (wl-draft-hide editing-buffer)
1495     (kill-buffer editing-buffer)))
1496
1497 (defun wl-draft-send-and-exit ()
1498   "Send current draft message and kill it."
1499   (interactive)
1500   (wl-draft-send t))
1501
1502 (defun wl-draft-send-from-toolbar ()
1503   (interactive)
1504   (let ((wl-interactive-send t))
1505     (wl-draft-send-and-exit)))
1506
1507 (defun wl-draft-delete-field (field &optional delimline replace)
1508   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1509
1510 (defun wl-draft-delete-fields (field &optional delimline replace)
1511   (save-restriction
1512     (unless delimline
1513       (goto-char (point-min))
1514       (if (search-forward "\n\n" nil t)
1515           (setq delimline (point))
1516         (setq delimline (point-max))))
1517     (narrow-to-region (point-min) delimline)
1518     (goto-char (point-min))
1519     (let ((regexp (concat "^" field ":"))
1520           (case-fold-search t))
1521       (while (not (eobp))
1522         (if (looking-at regexp)
1523             (progn
1524               (delete-region
1525                (point)
1526                (progn
1527                  (forward-line 1)
1528                  (if (re-search-forward "^[^ \t]" nil t)
1529                      (goto-char (match-beginning 0))
1530                    (point-max))))
1531               (if replace
1532                   (insert (concat field ": " replace "\n"))))
1533           (forward-line 1)
1534           (if (re-search-forward "^[^ \t]" nil t)
1535               (goto-char (match-beginning 0))
1536             (point-max)))))))
1537
1538 (defun wl-draft-get-fcc-list (header-end)
1539   (if (and wl-draft-doing-mime-bcc
1540            wl-draft-disable-fcc-for-mime-bcc)
1541       (progn
1542         (wl-draft-delete-field "fcc")
1543         nil)
1544     (let (fcc-list
1545           (case-fold-search t))
1546       (or (markerp header-end) (error "HEADER-END must be a marker"))
1547       (save-excursion
1548         (goto-char (point-min))
1549         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1550           (save-match-data
1551             (setq fcc-list
1552                   (append fcc-list
1553                           (split-string
1554                            (buffer-substring-no-properties
1555                             (point)
1556                             (progn
1557                               (end-of-line)
1558                               (skip-chars-backward " \t")
1559                               (point)))
1560                            ",[ \t]*")))
1561             (dolist (folder fcc-list)
1562               (wl-folder-confirm-existence
1563                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1564           (delete-region (match-beginning 0)
1565                          (progn (forward-line 1) (point)))))
1566       fcc-list)))
1567
1568 (defcustom wl-draft-fcc-append-read-folder-history t
1569   "Non-nil to append fcc'ed folder to `wl-read-folder-history'."
1570   :type 'boolean
1571   :group 'wl-draft)
1572
1573 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1574   (let ((send-mail-buffer (current-buffer))
1575         (tembuf (generate-new-buffer " fcc output"))
1576         (case-fold-search t)
1577         beg end)
1578     (or (markerp header-end) (error "HEADER-END must be a marker"))
1579     (save-excursion
1580       (unless fcc-list
1581         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1582       (set-buffer tembuf)
1583       (erase-buffer)
1584       ;; insert just the headers to avoid moving the gap more than
1585       ;; necessary (the message body could be arbitrarily huge.)
1586       (insert-buffer-substring send-mail-buffer 1 header-end)
1587       (wl-draft-insert-required-fields t)
1588       (goto-char (point-max))
1589       (insert-buffer-substring send-mail-buffer header-end)
1590       (let ((id (std11-field-body "Message-ID"))
1591             (elmo-enable-disconnected-operation t)
1592             cache-saved)
1593         (while fcc-list
1594           (unless (or cache-saved
1595                       (elmo-folder-plugged-p
1596                        (wl-folder-get-elmo-folder (car fcc-list))))
1597             (elmo-file-cache-save id nil) ;; for disconnected operation
1598             (setq cache-saved t))
1599           (if (elmo-folder-append-buffer
1600                (wl-folder-get-elmo-folder
1601                 (eword-decode-string (car fcc-list)))
1602                (and wl-fcc-force-as-read '(read)))
1603               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1604             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1605           (if (and wl-draft-fcc-append-read-folder-history
1606                    (boundp 'wl-read-folder-history))
1607               (or (equal (car fcc-list) (car wl-read-folder-history))
1608                   (setq wl-read-folder-history
1609                         (append (list (car fcc-list)) wl-read-folder-history))))
1610           (setq fcc-list (cdr fcc-list)))))
1611     (kill-buffer tembuf)))
1612
1613 (defun wl-draft-on-field-p ()
1614   (if (< (point)
1615          (save-excursion
1616            (goto-char (point-min))
1617            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1618            (point)))
1619       (if (bolp)
1620           (if (bobp)
1621               t
1622             (save-excursion
1623               (forward-line -1)
1624               (if (or (looking-at ".*,[ \t]?$")
1625                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1626                   nil t)))
1627         (let ((pos (point)))
1628           (save-excursion
1629             (beginning-of-line)
1630             (if (looking-at "^[ \t]")
1631                 nil
1632               (if (re-search-forward ":" pos t) nil t)))))))
1633
1634 ;;;;;;;;;;;;;;;;
1635 ;;;###autoload
1636 (defun wl-draft (&optional header-alist
1637                            content-type content-transfer-encoding
1638                            body edit-again
1639                            parent-folder)
1640   "Write and send mail/news message with Wanderlust."
1641   (interactive)
1642   (require 'wl)
1643   (unless wl-init
1644     (wl-load-profile)
1645     (wl-folder-init)
1646     (elmo-init)
1647     (wl-plugged-init t))
1648   (let (wl-demo)
1649     (wl-init)) ; returns immediately if already initialized.
1650
1651
1652   (let (buffer header-alist-internal)
1653     (setq buffer (wl-draft-create-buffer parent-folder))
1654     (unless (cdr (assq 'From header-alist))
1655       (setq header-alist
1656             (append (list (cons 'From wl-from)) header-alist)))
1657     (unless (cdr (assq 'To header-alist))
1658       (let ((to))
1659         (when (setq to (and
1660                         (interactive-p)
1661                         ""))
1662           (if (assq 'To header-alist)
1663               (setcdr (assq 'To header-alist) to)
1664             (setq header-alist
1665                   (append header-alist
1666                           (list (cons 'To to))))))))
1667     (unless (cdr (assq 'Subject header-alist))
1668       (if (assq 'Subject header-alist)
1669           (setcdr (assq 'Subject header-alist) "")
1670         (setq header-alist
1671               (append header-alist (list (cons 'Subject ""))))))
1672     (setq header-alist (append header-alist
1673                                (wl-draft-default-headers)
1674                                wl-draft-additional-header-alist
1675                                (if body (list "" (cons 'Body body)))))
1676     (wl-draft-create-contents header-alist)
1677     (if edit-again
1678         (wl-draft-decode-body
1679          content-type content-transfer-encoding))
1680     (wl-draft-insert-mail-header-separator)
1681     (wl-draft-prepare-edit)
1682     (if (interactive-p)
1683         (run-hooks 'wl-mail-setup-hook))
1684     (goto-char (point-min))
1685     (setq buffer-undo-list nil)
1686     (wl-user-agent-compose-internal) ;; user-agent
1687     (cond ((and
1688             (interactive-p)
1689             (string= (cdr (assq 'To header-alist)) ""))
1690            (mail-position-on-field "To"))
1691           (t
1692            (goto-char (point-max))))
1693     buffer))
1694
1695 (defun wl-draft-create-buffer (&optional parent-folder)
1696   (let* ((draft-folder (wl-draft-get-folder))
1697          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1698          (summary-buf (wl-summary-get-buffer parent-folder))
1699          (reply-or-forward
1700           (or (eq this-command 'wl-summary-reply)
1701               (eq this-command 'wl-summary-reply-with-citation)
1702               (eq this-command 'wl-summary-forward)
1703               (eq this-command 'wl-summary-target-mark-forward)
1704               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1705          (buffer (generate-new-buffer "*draft*")) ; Just for initial name.
1706          change-major-mode-hook)
1707     (set-buffer buffer)
1708     ;; switch-buffer according to draft buffer style.
1709     (if wl-draft-use-frame
1710         (switch-to-buffer-other-frame buffer)
1711       (if reply-or-forward
1712           (case wl-draft-reply-buffer-style
1713             (split
1714              (split-window-vertically)
1715              (other-window 1)
1716              (switch-to-buffer buffer))
1717             (keep
1718              (switch-to-buffer buffer))
1719             (full
1720              (delete-other-windows)
1721              (switch-to-buffer buffer))
1722             (t
1723              (if (functionp wl-draft-reply-buffer-style)
1724                  (funcall wl-draft-reply-buffer-style buffer)
1725                (error "Invalid value for wl-draft-reply-buffer-style"))))
1726         (case wl-draft-buffer-style
1727           (split
1728            (when (eq major-mode 'wl-summary-mode)
1729              (wl-summary-toggle-disp-msg 'off))
1730            (split-window-vertically)
1731            (other-window 1)
1732            (switch-to-buffer buffer))
1733           (keep
1734            (switch-to-buffer buffer))
1735           (full
1736            (delete-other-windows)
1737            (switch-to-buffer buffer))
1738           (t (if (functionp wl-draft-buffer-style)
1739                  (funcall wl-draft-buffer-style buffer)
1740                (error "Invalid value for wl-draft-buffer-style"))))))
1741     (auto-save-mode -1)
1742     (wl-draft-mode)
1743     (set-buffer-multibyte t)            ; draft buffer is always multibyte.
1744     (make-local-variable 'truncate-partial-width-windows)
1745     (setq truncate-partial-width-windows nil)
1746     (setq truncate-lines wl-draft-truncate-lines)
1747     (setq wl-sent-message-via nil)
1748     (setq wl-sent-message-queued nil)
1749     (setq wl-draft-config-exec-flag t)
1750     (setq wl-draft-parent-folder (or parent-folder ""))
1751     (or (eq this-command 'wl-folder-write-current-folder)
1752         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1753     buffer))
1754
1755 (defun wl-draft-create-contents (header-alist)
1756   "header-alist' sample
1757 '(function  ;; funcall
1758   string    ;; insert string
1759   (symbol . string)    ;;  insert symbol-value: string
1760   (symbol . function)  ;;  (funcall) and if it returns string,
1761                        ;;  insert symbol-value: string
1762   (symbol . nil)       ;;  do nothing
1763   nil                  ;;  do nothing
1764   )"
1765   (unless (eq major-mode 'wl-draft-mode)
1766     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1767   (let ((halist header-alist)
1768         field value)
1769     (while halist
1770       (cond
1771        ;; function
1772        ((functionp (car halist)) (funcall (car halist)))
1773        ;; string
1774        ((stringp (car halist)) (insert (car halist) "\n"))
1775        ;; cons
1776        ((consp (car halist))
1777         (setq field (car (car halist)))
1778         (setq value (cdr (car halist)))
1779         (cond
1780          ((symbolp field)
1781           (cond
1782            ((eq field 'Body) ; body
1783             (insert value))
1784            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1785            ((functionp value)
1786             (let ((value-return (funcall value)))
1787               (when (stringp value-return)
1788                 (insert (symbol-name field) ": " value-return "\n"))))
1789            ((not value))
1790            (t
1791             (debug))))
1792          ;;
1793          ((not field))
1794          (t
1795           (debug))
1796          )))
1797       (setq halist (cdr halist)))))
1798
1799 (defun wl-draft-prepare-edit ()
1800   (unless (eq major-mode 'wl-draft-mode)
1801     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1802   (let (change-major-mode-hook)
1803     (wl-draft-editor-mode)
1804     (static-when (boundp 'auto-save-file-name-transforms)
1805       (make-local-variable 'auto-save-file-name-transforms)
1806       (setq auto-save-file-name-transforms
1807             (cons (list (concat (regexp-quote wl-draft-folder)
1808                                 "/\\([0-9]+\\)")
1809                         (concat (expand-file-name
1810                                  "auto-save-"
1811                                  (elmo-folder-msgdb-path
1812                                   (wl-draft-get-folder)))
1813                                 "\\1"))
1814                   auto-save-file-name-transforms)))
1815     (when wl-draft-write-file-function
1816       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1817     (wl-draft-overload-functions)
1818     (wl-highlight-headers 'for-draft)
1819     (wl-draft-save)
1820     (clear-visited-file-modtime)))
1821
1822 (defun wl-draft-decode-header ()
1823   (save-excursion
1824     (std11-narrow-to-header)
1825     (wl-draft-decode-message-in-buffer)
1826     (widen)))
1827
1828 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1829   (let ((content-type
1830          (or content-type
1831                 (std11-field-body "content-type")))
1832         (content-transfer-encoding
1833          (or content-transfer-encoding
1834              (std11-field-body "content-transfer-encoding")))
1835         delimline)
1836     (save-excursion
1837       (std11-narrow-to-header)
1838       (wl-draft-delete-field "content-type")
1839       (wl-draft-delete-field "content-transfer-encoding")
1840       (goto-char (point-max))
1841       (setq delimline (point-marker))
1842       (widen)
1843       (narrow-to-region delimline (point-max))
1844       (goto-char (point-min))
1845       (when content-type
1846         (insert "Content-type: " content-type "\n"))
1847       (when content-transfer-encoding
1848         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1849       (wl-draft-decode-message-in-buffer)
1850       (goto-char (point-min))
1851       (unless (re-search-forward "^$" (point-at-eol) t)
1852         (insert "\n"))
1853       (widen)
1854       delimline)))
1855
1856 ;;; subroutine for wl-draft-create-contents
1857 ;;; must be used in wl-draft-mode
1858 (defun wl-draft-check-new-line ()
1859   (if (not (= (preceding-char) ?\n))
1860       (insert ?\n)))
1861
1862 (defsubst wl-draft-trim-ccs (cc)
1863   (let ((field
1864          (if (functionp cc)
1865              (funcall cc)
1866            cc)))
1867     (if (and field
1868              (null (and wl-draft-delete-myself-from-bcc-fcc
1869                         (elmo-list-member
1870                          (mapcar 'wl-address-header-extract-address
1871                                  (append
1872                                   (wl-parse-addresses (std11-field-body "To"))
1873                                   (wl-parse-addresses (std11-field-body "Cc"))))
1874                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1875         field
1876       nil)))
1877
1878 (defsubst wl-draft-default-headers ()
1879   (list
1880    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1881                              (wl-address-header-extract-address
1882                               wl-from)))
1883    (cons 'User-Agent wl-generate-mailer-string-function)
1884    (cons 'Reply-To mail-default-reply-to)
1885    (cons 'Bcc (function
1886                (lambda ()
1887                  (wl-draft-trim-ccs
1888                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1889    (cons 'Fcc (function
1890                (lambda ()
1891                  (wl-draft-trim-ccs wl-fcc))))
1892    (cons 'Organization wl-organization)
1893    (and wl-auto-insert-x-face
1894         (file-exists-p wl-x-face-file)
1895         'wl-draft-insert-x-face-field-here) ;; allow nil
1896    mail-default-headers
1897    ;; check \n at th end of line for `mail-default-headers'
1898    'wl-draft-check-new-line
1899    ))
1900
1901 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1902   (save-excursion
1903     (if delimline
1904         (goto-char delimline)
1905       (goto-char (point-min))
1906       (if (search-forward "\n\n" nil t)
1907           (delete-backward-char 1)
1908         (goto-char (point-max))))
1909     (wl-draft-check-new-line)
1910     (put-text-property (point)
1911                        (progn
1912                          (insert mail-header-separator "\n")
1913                          (1- (point)))
1914                        'category 'mail-header-separator)
1915     (point)))
1916
1917 ;;;;;;;;;;;;;;;;
1918
1919 (defun wl-draft-elmo-nntp-send ()
1920   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1921         (elmo-nntp-default-user
1922          (or wl-nntp-posting-user elmo-nntp-default-user))
1923         (elmo-nntp-default-server
1924          (or wl-nntp-posting-server elmo-nntp-default-server))
1925         (elmo-nntp-default-port
1926          (or wl-nntp-posting-port elmo-nntp-default-port))
1927         (elmo-nntp-default-stream-type
1928          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1929         (elmo-nntp-default-function wl-nntp-posting-function)
1930         condition)
1931     (if (setq condition (cdr (elmo-string-matched-assoc
1932                               (std11-field-body "Newsgroups")
1933                               wl-nntp-posting-config-alist)))
1934         (if (stringp condition)
1935             (setq elmo-nntp-default-server condition)
1936           (while (car condition)
1937             (set (intern (format "elmo-nntp-default-%s"
1938                                  (symbol-name (caar condition))))
1939                  (cdar condition))
1940             (setq condition (cdr condition)))))
1941     (unless elmo-nntp-default-function
1942       (error "wl-draft-nntp-send: posting-function is nil"))
1943     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1944         (wl-draft-set-sent-message 'news 'unplugged
1945                                    (cons elmo-nntp-default-server
1946                                          elmo-nntp-default-port))
1947       (funcall elmo-nntp-default-function
1948                elmo-nntp-default-server (current-buffer))
1949       (wl-draft-set-sent-message 'news 'sent)
1950       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1951                               (std11-field-body "Newsgroups")
1952                               (std11-field-body "Message-ID")))))
1953
1954 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1955   "Generate clone of current buffer named NAME."
1956   (let ((editing-buffer (current-buffer)))
1957     (save-excursion
1958       (set-buffer (generate-new-buffer name))
1959       (erase-buffer)
1960       (wl-draft-mode)
1961       (wl-draft-editor-mode)
1962       (insert-buffer editing-buffer)
1963       (message "")
1964       (while local-variables
1965         (make-local-variable (car local-variables))
1966         (set (car local-variables)
1967              (save-excursion
1968                (set-buffer editing-buffer)
1969                (symbol-value (car local-variables))))
1970         (setq local-variables (cdr local-variables)))
1971       (current-buffer))))
1972
1973 (defun wl-draft-remove-text-plain-tag ()
1974   "Remove text/plain tag of mime-edit."
1975   (when (string= (mime-make-text-tag "plain")
1976                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1977     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1978
1979 (defun wl-draft-reedit (number)
1980   (let ((draft-folder (wl-draft-get-folder))
1981         (wl-draft-reedit t)
1982         (num 0)
1983         buffer change-major-mode-hook body-top)
1984     (setq buffer (get-buffer-create (format "%s/%d" wl-draft-folder
1985                                             number)))
1986     (if wl-draft-use-frame
1987         (switch-to-buffer-other-frame buffer)
1988       (switch-to-buffer buffer))
1989     (set-buffer buffer)
1990     (elmo-message-fetch draft-folder number (elmo-make-fetch-strategy 'entire)
1991                         nil (current-buffer))
1992     (elmo-delete-cr-buffer)
1993     (let ((mime-edit-again-ignored-field-regexp
1994            "^\\(Content-.*\\|Mime-Version\\):"))
1995       (wl-draft-decode-message-in-buffer))
1996     (setq body-top (wl-draft-insert-mail-header-separator))
1997     (auto-save-mode -1)
1998     (wl-draft-mode)
1999     (make-local-variable 'truncate-partial-width-windows)
2000     (setq truncate-partial-width-windows nil)
2001     (setq truncate-lines wl-draft-truncate-lines)
2002     (setq wl-sent-message-via nil)
2003     (setq wl-sent-message-queued nil)
2004     (wl-draft-config-info-operation number 'load)
2005     (goto-char (point-min))
2006     (wl-draft-overload-functions)
2007     (wl-draft-editor-mode)
2008     (static-when (boundp 'auto-save-file-name-transforms)
2009       (make-local-variable 'auto-save-file-name-transforms)
2010       (setq auto-save-file-name-transforms
2011             (cons (list (concat (regexp-quote wl-draft-folder)
2012                                 "/\\([0-9]+\\)")
2013                         (concat (expand-file-name
2014                                  "auto-save-"
2015                                  (elmo-folder-msgdb-path
2016                                   (wl-draft-get-folder)))
2017                                 "\\1"))
2018                   auto-save-file-name-transforms)))
2019     (setq buffer-file-name (buffer-name)
2020           wl-draft-parent-folder ""
2021           wl-draft-buffer-message-number number)
2022     (when wl-draft-write-file-function
2023       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2024     (wl-highlight-headers 'for-draft)
2025     (goto-char body-top)
2026     (run-hooks 'wl-draft-reedit-hook)
2027     (goto-char (point-max))
2028     buffer))
2029
2030 (defmacro wl-draft-body-goto-top ()
2031   (` (progn
2032        (goto-char (point-min))
2033        (if (re-search-forward mail-header-separator nil t)
2034            (forward-char 1)
2035          (goto-char (point-max))))))
2036
2037 (defmacro wl-draft-body-goto-bottom ()
2038   (` (goto-char (point-max))))
2039
2040 (defmacro wl-draft-config-body-goto-header ()
2041   (` (progn
2042        (goto-char (point-min))
2043        (if (re-search-forward mail-header-separator nil t)
2044            (beginning-of-line)
2045          (goto-char (point-max))))))
2046
2047 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2048   (let (content-value)
2049     (when (and content
2050                (stringp (setq content-value (eval content))))
2051       (insert content-value)
2052       (if newline (insert "\n")))))
2053
2054 (defun wl-draft-config-sub-body (content)
2055   (wl-draft-body-goto-top)
2056   (delete-region (point) (point-max))
2057   (wl-draft-config-sub-eval-insert content))
2058
2059 (defun wl-draft-config-sub-top (content)
2060   (wl-draft-body-goto-top)
2061   (wl-draft-config-sub-eval-insert content))
2062
2063 (defun wl-draft-config-sub-bottom (content)
2064   (wl-draft-body-goto-bottom)
2065   (wl-draft-config-sub-eval-insert content))
2066
2067 (defun wl-draft-config-sub-header (content)
2068   (wl-draft-config-body-goto-header)
2069   (wl-draft-config-sub-eval-insert content 'newline))
2070
2071 (defun wl-draft-config-sub-header-top (content)
2072   (goto-char (point-min))
2073   (wl-draft-config-sub-eval-insert content 'newline))
2074
2075 (defun wl-draft-config-sub-part-top (content)
2076   (goto-char (mime-edit-content-beginning))
2077   (wl-draft-config-sub-eval-insert content 'newline))
2078
2079 (defun wl-draft-config-sub-part-bottom (content)
2080   (goto-char (mime-edit-content-end))
2081   (wl-draft-config-sub-eval-insert content 'newline))
2082
2083 (defsubst wl-draft-config-sub-file (content)
2084   (let ((coding-system-for-read wl-cs-autoconv)
2085         (file (expand-file-name (eval content))))
2086     (if (file-exists-p file)
2087         (insert-file-contents file)
2088       (error "%s: no exists file" file))))
2089
2090 (defun wl-draft-config-sub-body-file (content)
2091   (wl-draft-body-goto-top)
2092   (delete-region (point) (point-max))
2093   (wl-draft-config-sub-file content))
2094
2095 (defun wl-draft-config-sub-top-file (content)
2096   (wl-draft-body-goto-top)
2097   (wl-draft-config-sub-file content))
2098
2099 (defun wl-draft-config-sub-bottom-file (content)
2100   (wl-draft-body-goto-bottom)
2101   (wl-draft-config-sub-file content))
2102
2103 (defun wl-draft-config-sub-header-file (content)
2104   (wl-draft-config-body-goto-header)
2105   (wl-draft-config-sub-file content))
2106
2107 (defun wl-draft-config-sub-template (content)
2108   (setq wl-draft-config-variables
2109         (wl-template-insert (eval content))))
2110
2111 (defun wl-draft-config-sub-x-face (content)
2112   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2113            (fboundp 'x-face-insert)) ; x-face.el is installed.
2114       (x-face-insert content)
2115     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2116
2117 (defsubst wl-draft-config-sub-func (field content)
2118   (let (func)
2119     (if (setq func (assq field wl-draft-config-sub-func-alist))
2120         (let (wl-draft-config-variables)
2121           (funcall (cdr func) content)
2122           ;; for wl-draft-config-sub-template
2123           (cons t wl-draft-config-variables)))))
2124
2125 (defsubst wl-draft-config-exec-sub (clist)
2126   (let (config local-variables)
2127     (while clist
2128       (setq config (car clist))
2129       (cond
2130        ((functionp config)
2131         (funcall config))
2132        ((consp config)
2133         (let ((field (car config))
2134               (content (cdr config))
2135               ret-val)
2136           (cond
2137            ((stringp field)
2138             (wl-draft-replace-field field (eval content) t))
2139            ((setq ret-val (wl-draft-config-sub-func field content))
2140             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2141                 (wl-append local-variables (cdr ret-val))))
2142            ((boundp field) ;; variable
2143             (make-local-variable field)
2144             (set field (eval content))
2145             (wl-append local-variables (list field)))
2146            (t
2147             (error "%s: not variable" field)))))
2148        (t
2149         (error "%s: not supported type" config)))
2150       (setq clist (cdr clist)))
2151     local-variables))
2152
2153 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2154   "Change headers in draft preparation time."
2155   (interactive)
2156   (unless wl-draft-reedit
2157     (let ((config-alist
2158            (or config-alist
2159                (and (boundp 'wl-draft-prepared-config-alist)
2160                     wl-draft-prepared-config-alist)     ;; For compatible.
2161                wl-draft-config-alist)))
2162       (if config-alist
2163           (wl-draft-config-exec config-alist reply-buf)))))
2164
2165 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2166   "Change headers according to the value of `wl-draft-config-alist'.
2167 Automatically applied in draft sending time."
2168   (interactive)
2169   (let ((case-fold-search t)
2170         (alist (or config-alist wl-draft-config-alist))
2171         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2172                                       wl-draft-reply-buffer)))
2173         (local-variables wl-draft-config-variables)
2174         key clist found)
2175     (when (and (or (interactive-p)
2176                    wl-draft-config-exec-flag)
2177                alist)
2178       (save-excursion
2179         (catch 'done
2180           (while alist
2181             (setq key (caar alist)
2182                   clist (cdar alist))
2183             (cond
2184              ((eq key 'reply)
2185               (when (and
2186                      reply-buf
2187                      (save-excursion
2188                        (set-buffer reply-buf)
2189                        (save-restriction
2190                          (std11-narrow-to-header)
2191                          (goto-char (point-min))
2192                          (re-search-forward (car clist) nil t))))
2193                 (wl-draft-config-exec-sub (cdr clist))
2194                 (setq found t)))
2195              ((stringp key)
2196               (when (save-restriction
2197                       (std11-narrow-to-header mail-header-separator)
2198                       (goto-char (point-min))
2199                       (re-search-forward key nil t))
2200                 (wl-append local-variables
2201                            (wl-draft-config-exec-sub clist))
2202                 (setq found t)))
2203              ((eval key)
2204               (wl-append local-variables
2205                          (wl-draft-config-exec-sub clist))
2206               (setq found t)))
2207             (if (and found wl-draft-config-matchone)
2208                 (throw 'done t))
2209             (setq alist (cdr alist)))))
2210       (if found
2211           (setq wl-draft-config-exec-flag nil))
2212       (run-hooks 'wl-draft-config-exec-hook)
2213       (put-text-property (point-min)(point-max) 'face nil)
2214       (wl-highlight-message (point-min)(point-max) t)
2215       (setq wl-draft-config-variables
2216             (elmo-uniq-list local-variables)))))
2217
2218 (defun wl-draft-replace-field (field content &optional add)
2219   (save-excursion
2220     (save-restriction
2221       (let ((case-fold-search t)
2222             (inhibit-read-only t) ;; added by teranisi.
2223             beg)
2224         (std11-narrow-to-header mail-header-separator)
2225         (goto-char (point-min))
2226         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2227             (if content
2228                 ;; replace field
2229                 (progn
2230                   (setq beg (point))
2231                   (re-search-forward "^[^ \t]" nil 'move)
2232                   (beginning-of-line)
2233                   (skip-chars-backward "\n")
2234                   (delete-region beg (point))
2235                   (insert " " content))
2236               ;; delete field
2237               (save-excursion
2238                 (beginning-of-line)
2239                 (setq beg (point)))
2240               (re-search-forward "^[^ \t]" nil 'move)
2241               (beginning-of-line)
2242               (delete-region beg (point)))
2243           (when (and add content)
2244             ;; add field
2245             (goto-char (point-max))
2246             (insert (concat field ": " content "\n"))))))))
2247
2248 (defun wl-draft-config-info-operation (msg operation)
2249   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2250          (filename
2251           (expand-file-name
2252            (format "%s-%d" wl-draft-config-save-filename msg)
2253            msgdb-dir))
2254          element alist variable)
2255     (cond
2256      ((eq operation 'save)
2257       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2258         (while (setq variable (pop variables))
2259           (when (boundp variable)
2260             (wl-append alist
2261                        (list (cons variable (eval variable))))))
2262         (elmo-object-save filename alist)))
2263      ((eq operation 'load)
2264       (setq alist (elmo-object-load filename))
2265       (while (setq element (pop alist))
2266         (set (make-local-variable (car element)) (cdr element))
2267         (wl-append wl-draft-config-variables (list (car element)))))
2268      ((eq operation 'delete)
2269       (if (file-exists-p filename)
2270           (delete-file filename))))))
2271
2272 (defun wl-draft-queue-info-operation (msg operation
2273                                           &optional add-sent-message-via)
2274   (let* ((msgdb-dir (elmo-folder-msgdb-path
2275                      (wl-folder-get-elmo-folder wl-queue-folder)))
2276          (filename
2277           (expand-file-name
2278            (format "%s-%d" wl-draft-queue-save-filename msg)
2279            msgdb-dir))
2280          element alist variable)
2281     (cond
2282      ((eq operation 'save)
2283       (let ((variables (elmo-uniq-list
2284                         (append wl-draft-queue-save-variables
2285                                 wl-draft-config-variables
2286                                 (list 'wl-draft-fcc-list)))))
2287         (if add-sent-message-via
2288             (progn
2289               (push 'wl-sent-message-queued variables)
2290               (push 'wl-sent-message-via variables)))
2291         (while (setq variable (pop variables))
2292           (when (boundp variable)
2293             (wl-append alist
2294                        (list (cons variable (eval variable))))))
2295         (elmo-object-save filename alist)))
2296      ((eq operation 'load)
2297       (setq alist (elmo-object-load filename))
2298       (while (setq element (pop alist))
2299         (set (make-local-variable (car element)) (cdr element))))
2300      ((eq operation 'get-sent-via)
2301       (setq alist (elmo-object-load filename))
2302       (cdr (assq 'wl-sent-message-via alist)))
2303      ((eq operation 'delete)
2304       (if (file-exists-p filename)
2305           (delete-file filename))))))
2306
2307 (defun wl-draft-queue-append (wl-sent-message-via)
2308   (if wl-draft-verbose-send
2309       (message "Queuing..."))
2310   (let ((send-buffer (current-buffer))
2311         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2312         (message-id (std11-field-body "Message-ID")))
2313     (if (elmo-folder-append-buffer folder)
2314         (progn
2315           (wl-draft-queue-info-operation
2316            (car (elmo-folder-status folder))
2317            'save wl-sent-message-via)
2318           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2319           (when wl-draft-verbose-send
2320             (setq wl-draft-verbose-msg "Queuing...")
2321             (message "Queuing...done")))
2322       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2323       (error "Queuing failed"))))
2324
2325 (defun wl-draft-queue-flush ()
2326   "Flush draft queue."
2327   (interactive)
2328   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2329          (msgs2 (progn
2330                   (elmo-folder-open-internal queue-folder)
2331                   (elmo-folder-list-messages queue-folder)))
2332          (i 0)
2333          (performed 0)
2334          (wl-draft-queue-flushing t)
2335          msgs failure len buffer msgid sent-via)
2336     ;; get plugged send message
2337     (while msgs2
2338       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2339       (catch 'found
2340         (while sent-via
2341           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2342                      (or (not (nth 2 (car sent-via)))
2343                          (elmo-plugged-p
2344                           (car (nth 2 (car sent-via)))
2345                           (cdr (nth 2 (car sent-via))))))
2346             (wl-append msgs (list (car msgs2)))
2347             (throw 'found t))
2348           (setq sent-via (cdr sent-via))))
2349       (setq msgs2 (cdr msgs2)))
2350     (when (> (setq len (length msgs)) 0)
2351       (if (elmo-y-or-n-p (format
2352                           "%d message(s) are in the sending queue.  Send now? "
2353                           len)
2354                          (not elmo-dop-flush-confirm) t)
2355           (progn
2356             (save-excursion
2357               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2358               (set-buffer buffer)
2359               (while msgs
2360                 ;; reset buffer local variables
2361                 (kill-all-local-variables)
2362                 (erase-buffer)
2363                 (setq i (+ 1 i)
2364                       failure nil)
2365                 (setq wl-sent-message-via nil)
2366                 (wl-draft-queue-info-operation (car msgs) 'load)
2367                 (elmo-message-fetch queue-folder
2368                                     (car msgs)
2369                                     (elmo-make-fetch-strategy 'entire)
2370                                     nil (current-buffer))
2371                 (condition-case err
2372                     (setq failure (funcall
2373                                    wl-draft-queue-flush-send-function
2374                                    (format "Sending (%d/%d)..." i len)))
2375 ;;;               (wl-draft-raw-send nil nil
2376 ;;;                                  (format "Sending (%d/%d)..." i len))
2377                   (error
2378                    (elmo-display-error err t)
2379                    (setq failure t))
2380                   (quit
2381                    (setq failure t)))
2382                 (if (eq wl-sent-message-modified 'requeue)
2383                     (progn
2384                       (elmo-folder-delete-messages
2385                        queue-folder (cons (car msgs) nil))
2386                       (wl-draft-queue-info-operation (car msgs) 'delete))
2387                   (unless failure
2388                     (elmo-folder-delete-messages
2389                      queue-folder (cons (car msgs) nil))
2390                     (wl-draft-queue-info-operation (car msgs) 'delete)
2391                     (setq performed (+ 1 performed))))
2392                 (setq msgs (cdr msgs)))
2393               (kill-buffer buffer)
2394               (message "%d message(s) are sent." performed)))
2395         (message "%d message(s) are remained to be sent." len))
2396       (elmo-folder-close queue-folder)
2397       len)))
2398
2399 (defun wl-jump-to-draft-buffer (&optional arg)
2400   "Jump to the draft if exists."
2401   (interactive "P")
2402   (if arg
2403       (wl-jump-to-draft-folder)
2404     (let ((draft-bufs (wl-collect-draft))
2405           buf)
2406       (cond
2407        ((null draft-bufs)
2408         (message "No draft buffer exist."))
2409        (t
2410         (setq draft-bufs
2411               (sort (mapcar 'buffer-name draft-bufs)
2412                     (function (lambda (a b)
2413                                 (not (string< a b))))))
2414         (if (setq buf (cdr (member (buffer-name)
2415                                    draft-bufs)))
2416             (setq buf (car buf))
2417           (setq buf (car draft-bufs)))
2418         (switch-to-buffer buf))))))
2419
2420 (defun wl-jump-to-draft-folder ()
2421   (let ((msgs (reverse (elmo-folder-list-messages (wl-draft-get-folder))))
2422         (mybuf (buffer-name))
2423         msg buf)
2424     (if (not msgs)
2425         (message "No draft message exist.")
2426       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2427           (setq msg (cadr (memq
2428                            (string-to-int (substring mybuf (match-end 0)))
2429                            msgs))))
2430       (or msg (setq msg (car msgs)))
2431       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2432           (switch-to-buffer buf)
2433         (wl-draft-reedit msg)))))
2434
2435 (defun wl-draft-highlight-and-recenter (&optional n)
2436   (interactive "P")
2437   (when wl-highlight-body-too
2438     (let ((modified (buffer-modified-p)))
2439       (unwind-protect
2440           (progn
2441             (put-text-property (point-min) (point-max) 'face nil)
2442             (wl-highlight-message (point-min) (point-max) t))
2443         (set-buffer-modified-p modified))))
2444   (static-when (featurep 'xemacs)
2445     ;; Cope with one of many XEmacs bugs that `recenter' takes
2446     ;; a long time if there are a lot of invisible text lines.
2447     (redraw-frame))
2448   (recenter n))
2449
2450 ;; insert element from history
2451 (defvar wl-draft-current-history-position nil)
2452 (defvar wl-draft-history-backup-word "")
2453
2454 (defun wl-draft-previous-history-element (n)
2455   (interactive "p")
2456   (let (bol history beg end prev new)
2457     (when (and (not (wl-draft-on-field-p))
2458                (< (point)
2459                   (save-excursion
2460                     (goto-char (point-min))
2461                     (search-forward (concat "\n" mail-header-separator "\n") nil 0)
2462                     (point)))
2463                (save-excursion
2464                  (beginning-of-line)
2465                  (while (and (looking-at "^[ \t]")
2466                              (not (= (point) (point-min))))
2467                    (forward-line -1))
2468                  (cond
2469                   ((looking-at wl-folder-complete-header-regexp)
2470                    (and (boundp 'wl-read-folder-history)
2471                         (setq history wl-read-folder-history)))
2472                   ;; ((looking-at wl-address-complete-header-regexp)
2473                   ;;  (setq history .....))
2474                   (t
2475                    nil)))
2476                (eolp))
2477       (setq bol (save-excursion (beginning-of-line) (point)))
2478       (cond ((and (or (eq last-command 'wl-draft-previous-history-element)
2479                       (eq last-command 'wl-draft-next-history-element))
2480                   wl-draft-current-history-position)
2481              (setq end (point))
2482              (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2483                  (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2484                  (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t))
2485              (setq prev (match-string 1))
2486              (goto-char (match-beginning 1))
2487              (setq beg (point))
2488              (if (cond ((< n 0)
2489                         (>= (+ n wl-draft-current-history-position) 0))
2490                        ((> n 0)
2491                         (<= (+ n wl-draft-current-history-position)
2492                             (length history))))
2493                  (progn
2494                    (setq wl-draft-current-history-position
2495                          (+ n wl-draft-current-history-position))
2496                    (setq new
2497                          (nth wl-draft-current-history-position
2498                               (append (list wl-draft-history-backup-word)
2499                                       history)))
2500                    (delete-region beg end)
2501                    (insert new))
2502                (goto-char end)
2503                (cond ((< n 0)
2504                       (message "End of history; no next item"))
2505                      ((> n 0)
2506                       (message "Beginning of history; no preceding item")))))
2507             ((and (> n 0)
2508                   (save-excursion
2509                     (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2510                         (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2511                         (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t)))
2512                   (car history))
2513              (setq wl-draft-current-history-position 1)
2514              (setq wl-draft-history-backup-word (match-string 1))
2515              (delete-region (match-beginning 1) (match-end 1))
2516              (insert (car history)))
2517             (t
2518              (setq wl-draft-current-history-position nil))))))
2519
2520 (defun wl-draft-next-history-element (n)
2521   (interactive "p")
2522   (wl-draft-previous-history-element (- n)))
2523
2524 ;;;; user-agent support by Sen Nagata
2525
2526 ;; this appears to be necessarily global...
2527 (defvar wl-user-agent-compose-p nil)
2528 (defvar wl-user-agent-headers-and-body-alist nil)
2529
2530 ;; this should be a generic function for mail-mode -- i wish there was
2531 ;; something like it in sendmail.el
2532 (defun wl-user-agent-insert-header (header-name header-value)
2533   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2534   ;; it seems like overriding existing headers is acceptable -- should
2535   ;; we provide an option?
2536
2537   ;; plan was: unfold header (might be folded), remove existing value, insert
2538   ;;           new value
2539   ;; wl doesn't seem to fold header lines yet anyway :-)
2540
2541   (let ((kill-whole-line t)
2542         end-of-line)
2543     (mail-position-on-field (capitalize header-name))
2544     (setq end-of-line (point))
2545     (beginning-of-line)
2546     (re-search-forward ":" end-of-line)
2547     (insert (concat " " header-value "\n"))
2548     (kill-line)))
2549
2550 ;; this should be a generic function for mail-mode -- i wish there was
2551 ;; something like it in sendmail.el
2552 ;;
2553 ;; ** haven't dealt w/ case where the body is already set **
2554 (defun wl-user-agent-insert-body (body-text)
2555   "Insert a body of text, BODY-TEXT, into a message."
2556   ;; code defensively... :-P
2557   (goto-char (point-min))
2558   (search-forward mail-header-separator)
2559   (forward-line 1)
2560   (insert body-text))
2561
2562 ;;;###autoload
2563 (defun wl-user-agent-compose (&optional to subject other-headers continue
2564                                         switch-function yank-action
2565                                         send-actions)
2566   "Support the `compose-mail' interface for wl.
2567 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2568 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2569 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2570
2571   (unless (featurep 'wl)
2572     (require 'wl))
2573   (or switch-function
2574       (setq switch-function 'keep))
2575   ;; protect these -- to and subject get bound at some point, so it looks
2576   ;; to be necessary to protect the values used w/in
2577   (let ((wl-user-agent-headers-and-body-alist other-headers)
2578         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2579         (wl-draft-buffer-style switch-function))
2580     (if to
2581         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2582                                    'ignore-case)
2583             (setcdr
2584              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2585                                     'ignore-case)
2586              to)
2587           (setq wl-user-agent-headers-and-body-alist
2588                 (cons (cons "to" to)
2589                       wl-user-agent-headers-and-body-alist))))
2590     (if subject
2591         (if (wl-string-match-assoc "subject"
2592                                    wl-user-agent-headers-and-body-alist
2593                                    'ignore-case)
2594             (setcdr
2595              (wl-string-match-assoc "subject"
2596                                     wl-user-agent-headers-and-body-alist
2597                                     'ignore-case)
2598              subject)
2599           (setq wl-user-agent-headers-and-body-alist
2600                 (cons (cons "subject" subject)
2601                       wl-user-agent-headers-and-body-alist))))
2602     ;; i think this is what we want to use...
2603     (unwind-protect
2604         (progn
2605           ;; tell the hook-function to do its stuff
2606           (setq wl-user-agent-compose-p t)
2607           ;; because to get the hooks working, wl-draft has to think it has
2608           ;; been called interactively
2609           (call-interactively 'wl-draft))
2610       (setq wl-user-agent-compose-p nil))))
2611
2612 (defun wl-user-agent-compose-internal ()
2613   "Manipulate headers and/or a body of a draft message."
2614   ;; being called from wl-user-agent-compose?
2615   (if wl-user-agent-compose-p
2616       (progn
2617         ;; insert headers
2618         (let ((headers wl-user-agent-headers-and-body-alist)
2619               (case-fold-search t))
2620           (while headers
2621             ;; skip body
2622             (if (not (string-match "^body$" (car (car headers))))
2623                 (wl-user-agent-insert-header
2624                  (car (car headers)) (cdr (car headers)))
2625               t)
2626             (setq headers (cdr headers))))
2627         ;; highlight headers (from wl-draft in wl-draft.el)
2628         (wl-highlight-headers 'for-draft)
2629         ;; insert body
2630         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2631                                    'ignore-case)
2632             (wl-user-agent-insert-body
2633              (cdr (wl-string-match-assoc
2634                    "body"
2635                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2636     t))
2637
2638 (require 'product)
2639 (product-provide (provide 'wl-draft) (require 'wl-version))
2640
2641 ;;; wl-draft.el ends here