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 (defvar wl-draft-parent-flag nil)
  96
  97 (defconst wl-draft-parent-variables
  98   '(wl-draft-parent-folder
  99     wl-draft-parent-number
 100     wl-draft-parent-flag))
 101
 102 (defvar wl-draft-config-sub-func-alist
 103   '((body               . wl-draft-config-sub-body)
 104     (top                . wl-draft-config-sub-top)
 105     (bottom             . wl-draft-config-sub-bottom)
 106     (header             . wl-draft-config-sub-header)
 107     (header-top         . wl-draft-config-sub-header-top)
 108     (header-bottom      . wl-draft-config-sub-header)
 109     (part-top           . wl-draft-config-sub-part-top)
 110     (part-bottom        . wl-draft-config-sub-part-bottom)
 111     (body-file          . wl-draft-config-sub-body-file)
 112     (top-file           . wl-draft-config-sub-top-file)
 113     (bottom-file        . wl-draft-config-sub-bottom-file)
 114     (header-file        . wl-draft-config-sub-header-file)
 115     (template           . wl-draft-config-sub-template)
 116     (x-face             . wl-draft-config-sub-x-face)))
 117
 118 (make-variable-buffer-local 'wl-draft-buffer-message-number)
 119 (make-variable-buffer-local 'wl-draft-buffer-cur-summary-buffer)
 120 (make-variable-buffer-local 'wl-draft-config-variables)
 121 (make-variable-buffer-local 'wl-draft-config-exec-flag)
 122 (make-variable-buffer-local 'wl-sent-message-via)
 123 (make-variable-buffer-local 'wl-sent-message-queued)
 124 (make-variable-buffer-local 'wl-draft-fcc-list)
 125 (make-variable-buffer-local 'wl-draft-reply-buffer)
 126 (make-variable-buffer-local 'wl-draft-parent-folder)
 127 (make-variable-buffer-local 'wl-draft-parent-number)
 128 (make-variable-buffer-local 'wl-draft-parent-flag)
 129
 130 (defvar wl-draft-folder-internal nil
 131   "Internal variable for caching `opened' draft folder.")
 132
 133 (defsubst wl-smtp-password-key (user mechanism server)
 134   (format "SMTP:%s/%s@%s"
 135           user mechanism server))
 136
 137 (defmacro wl-smtp-extension-bind (&rest body)
 138   (` (let* ((smtp-sasl-mechanisms
 139              (if wl-smtp-authenticate-type
 140                  (mapcar 'upcase
 141                          (if (listp wl-smtp-authenticate-type)
 142                              wl-smtp-authenticate-type
 143                            (list wl-smtp-authenticate-type)))))
 144             (smtp-use-sasl (and smtp-sasl-mechanisms t))
 145             (smtp-use-starttls (eq wl-smtp-connection-type 'starttls))
 146             (smtp-open-connection-function
 147              (if (eq wl-smtp-connection-type 'ssl)
 148                  #'open-ssl-stream
 149                smtp-open-connection-function))
 150             (smtp-end-of-line
 151              (if (eq wl-smtp-connection-type 'ssl)
 152                  "\n"
 153                smtp-end-of-line))
 154             smtp-sasl-user-name smtp-sasl-properties sasl-read-passphrase)
 155        (if (and (string= (car smtp-sasl-mechanisms) "DIGEST-MD5")
 156                 ;; sendmail bug?
 157                 (string-match "^\\([^@]*\\)@\\([^@]*\\)"
 158                               wl-smtp-posting-user))
 159            (setq smtp-sasl-user-name (match-string 1 wl-smtp-posting-user)
 160                  smtp-sasl-properties (list 'realm
 161                                             (match-string 2 wl-smtp-posting-user)))
 162          (setq smtp-sasl-user-name wl-smtp-posting-user
 163                smtp-sasl-properties nil))
 164        (setq sasl-read-passphrase
 165              (function
 166               (lambda (prompt)
 167                 (elmo-get-passwd
 168                  (wl-smtp-password-key
 169                   smtp-sasl-user-name
 170                   (car smtp-sasl-mechanisms)
 171                   smtp-server)))))
 172        (,@ body))))
 173
 174 (defun wl-draft-insert-date-field ()
 175   "Insert Date field."
 176   (insert "Date: " (wl-make-date-string) "\n"))
 177
 178 (defun wl-draft-insert-from-field ()
 179   "Insert From field."
 180   ;; Put the "From:" field in unless for some odd reason
 181   ;; they put one in themselves.
 182   (let (from)
 183     (condition-case err
 184         (setq from (wl-draft-eword-encode-address-list wl-from))
 185       (error (error "Please look at `wl-from' again")))
 186     (insert "From: " from "\n")))
 187
 188 (defun wl-draft-insert-x-face-field ()
 189   "Insert X-Face header."
 190   (interactive)
 191   (if (not (file-exists-p wl-x-face-file))
 192       (error "File %s does not exist" wl-x-face-file)
 193     (goto-char (point-min))
 194     (search-forward mail-header-separator nil t)
 195     (beginning-of-line)
 196     (wl-draft-insert-x-face-field-here)
 197     (run-hooks 'wl-draft-insert-x-face-field-hook))) ; highlight it if you want.
 198
 199 (defun wl-draft-insert-x-face-field-here ()
 200   "Insert X-Face field at point."
 201   (let ((x-face-string (elmo-get-file-string wl-x-face-file)))
 202     (when (string-match "^\\(X-Face:\\)?[ \t\n]*" x-face-string)
 203       (setq x-face-string (substring x-face-string (match-end 0))))
 204     (insert "X-Face: " x-face-string))
 205   (when (not (= (preceding-char) ?\n))  ; for chomped (choped) x-face-string
 206     (insert ?\n))
 207   ;; Insert X-Face-Version: field
 208   (when (and (fboundp 'x-face-insert-version-header)
 209              (boundp 'x-face-add-x-face-version-header)
 210              x-face-add-x-face-version-header)
 211     (x-face-insert-version-header)))
 212
 213 (defun wl-draft-setup ()
 214   (let ((field wl-draft-fields)
 215         cl)
 216     (while field
 217       (setq cl (append cl
 218                        (list (cons (concat (car field) " ")
 219                                    (concat (car field) " ")))))
 220       (setq field (cdr field)))
 221     (setq cl
 222           (cons (cons (concat wl-draft-mime-bcc-field-name  ": ")
 223                       (concat wl-draft-mime-bcc-field-name  ": "))
 224                 cl))
 225     (setq wl-draft-field-completion-list cl)
 226     (setq wl-address-complete-header-regexp
 227           (wl-regexp-opt
 228            (append wl-address-complete-header-list
 229                    (list (concat wl-draft-mime-bcc-field-name  ":")))))))
 230
 231 (defun wl-draft-make-mail-followup-to (recipients)
 232   (let ((rlist (wl-address-delete-user-mail-addresses recipients)))
 233     (if (elmo-list-member rlist (mapcar 'downcase
 234                                         wl-subscribed-mailing-list))
 235         rlist
 236       (append rlist (list (wl-address-header-extract-address
 237                            wl-from))))))
 238
 239 (defun wl-draft-delete-myself-from-cc (to cc)
 240   (cond (wl-draft-always-delete-myself ; always-delete option
 241          (wl-address-delete-user-mail-addresses cc))
 242         ((elmo-list-member (append to cc) ; subscribed mailing-list
 243                            (mapcar 'downcase wl-subscribed-mailing-list))
 244          (wl-address-delete-user-mail-addresses cc))
 245         (t cc)))
 246
 247 (defsubst wl-draft-strip-subject-regexp (subject regexp)
 248   "Remove REGEXP from SUBJECT string."
 249   (if (string-match regexp subject)
 250       (substring subject (match-end 0))
 251     subject))
 252
 253 (defun wl-draft-forward-make-subject (original-subject)
 254   "Generate subject string for forwarding."
 255   (cond ((functionp wl-forward-subject-prefix)
 256          (concat (funcall wl-forward-subject-prefix)
 257                  original-subject))
 258         ((stringp wl-forward-subject-prefix)
 259          (concat wl-forward-subject-prefix
 260                  (wl-draft-strip-subject-regexp
 261                   (or original-subject "")
 262                   wl-subject-forward-prefix-regexp)))
 263         (t original-subject)))
 264
 265 (defun wl-draft-reply-make-subject (original-subject)
 266   "Generate subject string for replying."
 267   (cond ((functionp wl-reply-subject-prefix)
 268          (concat (funcall wl-reply-subject-prefix)
 269                  original-subject))
 270         ((stringp wl-reply-subject-prefix)
 271          (concat wl-reply-subject-prefix
 272                  (wl-draft-strip-subject-regexp
 273                   (or original-subject "")
 274                   wl-subject-re-prefix-regexp)))
 275         (t original-subject)))
 276
 277 (defun wl-draft-forward (original-subject summary-buf &optional number)
 278   (let (references parent-folder subject)
 279     (with-current-buffer summary-buf
 280       (setq parent-folder (wl-summary-buffer-folder-name)))
 281     (let ((decoder (mime-find-field-decoder 'Subject 'plain)))
 282       (setq subject (if (and original-subject decoder)
 283                         (funcall decoder original-subject) original-subject)))
 284     (with-current-buffer (wl-message-get-original-buffer)
 285       (setq subject (wl-draft-forward-make-subject subject))
 286       (setq references (nconc
 287                         (std11-field-bodies '("References" "In-Reply-To"))
 288                         (list (std11-field-body "Message-Id"))))
 289       (setq references (delq nil references)
 290             references (mapconcat 'identity references " ")
 291             references (wl-draft-parse-msg-id-list-string references)
 292             references (wl-delete-duplicates references)
 293             references (when references
 294                          (mapconcat 'identity references "\n\t"))))
 295     (and wl-draft-use-frame
 296          (get-buffer-window summary-buf)
 297          (select-window (get-buffer-window summary-buf)))
 298     (wl-draft (list (cons 'To "")
 299                     (cons 'Subject subject)
 300                     (cons 'References references))
 301               nil nil nil nil parent-folder))
 302   (setq wl-draft-parent-number number)
 303   (goto-char (point-max))
 304   (wl-draft-insert-message)
 305   (mail-position-on-field "To")
 306   (setq wl-draft-config-variables
 307         (append wl-draft-parent-variables
 308                 wl-draft-config-variables))
 309   (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
 310   (run-hooks 'wl-draft-forward-hook))
 311
 312 (defun wl-draft-self-reply-p ()
 313   "Return t when From address in the current message is user's self one or not."
 314   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
 315
 316 (defun wl-draft-reply (buf with-arg summary-buf &optional number)
 317   "Reply to BUF buffer message.
 318 Reply to author if WITH-ARG is non-nil."
 319 ;;;(save-excursion
 320   (let (r-list
 321         to mail-followup-to cc subject in-reply-to references newsgroups
 322         to-alist cc-alist decoder parent-folder)
 323     (when (buffer-live-p summary-buf)
 324       (with-current-buffer summary-buf
 325         (setq parent-folder (wl-summary-buffer-folder-name))))
 326     (set-buffer (or buf mime-mother-buffer))
 327     (setq r-list (if with-arg wl-draft-reply-with-argument-list
 328                    wl-draft-reply-without-argument-list))
 329     (catch 'done
 330       (while r-list
 331         (when (let ((condition (car (car r-list))))
 332                 (cond ((stringp condition)
 333                        (std11-field-body condition))
 334                       ((listp condition)
 335                        (catch 'done
 336                          (while condition
 337                            (cond
 338                             ((stringp (car condition))
 339                              (or (std11-field-body (car condition))
 340                                  (throw 'done nil)))
 341                             ((symbolp (car condition))
 342                              (or (funcall (car condition))
 343                                  (throw 'done nil)))
 344                             (t
 345                              (debug)))
 346                            (setq condition (cdr condition)))
 347                          t))
 348                       ((symbolp condition)
 349                        (funcall condition))))
 350           (let ((r-to-list (nth 0 (cdr (car r-list))))
 351                 (r-cc-list (nth 1 (cdr (car r-list))))
 352                 (r-ng-list (nth 2 (cdr (car r-list)))))
 353             (when (and (member "Followup-To" r-ng-list)
 354                        (string= (std11-field-body "Followup-To") "poster"))
 355               (setq r-to-list (cons "From" r-to-list))
 356               (setq r-ng-list (delete "Followup-To"
 357                                       (copy-sequence r-ng-list))))
 358             (if (and r-to-list (symbolp r-to-list))
 359                 (setq to (wl-concat-list (funcall r-to-list) ","))
 360               (setq to (wl-concat-list (cons to
 361                                              (elmo-multiple-fields-body-list
 362                                               r-to-list))
 363                                        ",")))
 364             (if (and r-cc-list (symbolp r-cc-list))
 365                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 366               (setq cc (wl-concat-list (cons cc
 367                                              (elmo-multiple-fields-body-list
 368                                               r-cc-list))
 369                                        ",")))
 370             (if (and r-ng-list (symbolp r-ng-list))
 371                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 372               (setq newsgroups (wl-concat-list (cons newsgroups
 373                                                      (std11-field-bodies
 374                                                       r-ng-list))
 375                                                ","))))
 376           (throw 'done nil))
 377         (setq r-list (cdr r-list)))
 378       (error "No match field: check your `wl-draft-reply-%s-argument-list'"
 379              (if with-arg "with" "without")))
 380     (setq subject (std11-field-body "Subject"))
 381     (setq to (wl-parse-addresses to)
 382           cc (wl-parse-addresses cc))
 383     (with-temp-buffer                   ; to keep raw buffer unibyte.
 384       (set-buffer-multibyte default-enable-multibyte-characters)
 385       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 386       (setq subject (if (and subject decoder)
 387                         (funcall decoder subject) subject))
 388       (setq to-alist
 389             (mapcar
 390              (lambda (addr)
 391                (setq decoder (mime-find-field-decoder 'To 'plain))
 392                (cons (nth 1 (std11-extract-address-components addr))
 393                      (if decoder (funcall decoder addr) addr)))
 394              to))
 395       (setq cc-alist
 396             (mapcar
 397              (lambda (addr)
 398                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 399                (cons (nth 1 (std11-extract-address-components addr))
 400                      (if decoder (funcall decoder addr) addr)))
 401              cc)))
 402     (setq subject (wl-draft-reply-make-subject subject))
 403     (setq in-reply-to (std11-field-body "Message-Id"))
 404     (setq references (nconc
 405                       (std11-field-bodies '("References" "In-Reply-To"))
 406                       (list in-reply-to)))
 407     (setq to (delq nil (mapcar 'car to-alist)))
 408     (setq cc (delq nil (mapcar 'car cc-alist)))
 409     ;; if subscribed mailing list is contained in cc or to
 410     ;; and myself is contained in cc,
 411     ;; delete myself from cc.
 412     (setq cc (wl-draft-delete-myself-from-cc to cc))
 413     (when wl-insert-mail-followup-to
 414       (setq mail-followup-to
 415             (wl-draft-make-mail-followup-to (append to cc)))
 416       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 417     (with-temp-buffer                   ; to keep raw buffer unibyte.
 418       (set-buffer-multibyte default-enable-multibyte-characters)
 419       (setq newsgroups (wl-parse newsgroups
 420                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 421             newsgroups (wl-delete-duplicates newsgroups)
 422             newsgroups
 423             (if newsgroups
 424                 (mapconcat
 425                  (lambda (grp)
 426                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 427                    (if decoder (funcall decoder grp) grp))
 428                  newsgroups ","))))
 429     (setq to (wl-delete-duplicates to nil t))
 430     (setq cc (wl-delete-duplicates
 431               (append (wl-delete-duplicates cc nil t)
 432                       to (copy-sequence to))
 433               t t))
 434     (and to (setq to (mapconcat
 435                       '(lambda (addr)
 436                          (if wl-draft-reply-use-address-with-full-name
 437                              (or (cdr (assoc addr to-alist)) addr)
 438                            addr))
 439                       to ",\n\t")))
 440     (and cc (setq cc (mapconcat
 441                       '(lambda (addr)
 442                          (if wl-draft-reply-use-address-with-full-name
 443                              (or (cdr (assoc addr cc-alist)) addr)
 444                            addr))
 445                       cc ",\n\t")))
 446     (and mail-followup-to
 447          (setq mail-followup-to
 448                (mapconcat
 449                 '(lambda (addr)
 450                    (if wl-draft-reply-use-address-with-full-name
 451                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 452                      addr))
 453                 mail-followup-to ",\n\t")))
 454     (and (null to) (setq to cc cc nil))
 455     (setq references (delq nil references)
 456           references (mapconcat 'identity references " ")
 457           references (wl-draft-parse-msg-id-list-string references)
 458           references (wl-delete-duplicates references)
 459           references (if references
 460                          (mapconcat 'identity references "\n\t")))
 461     (and wl-draft-use-frame
 462          (get-buffer-window summary-buf)
 463          (select-window (get-buffer-window summary-buf)))
 464     (wl-draft (list (cons 'To to)
 465                     (cons 'Cc cc)
 466                     (cons 'Newsgroups newsgroups)
 467                     (cons 'Subject subject)
 468                     (cons 'In-Reply-To in-reply-to)
 469                     (cons 'References references)
 470                     (cons 'Mail-Followup-To mail-followup-to))
 471               nil nil nil nil parent-folder)
 472     (setq wl-draft-parent-number number)
 473     (setq wl-draft-reply-buffer buf)
 474     (setq wl-draft-config-variables
 475           (append wl-draft-parent-variables
 476                   wl-draft-config-variables))
 477     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save))
 478   (run-hooks 'wl-draft-reply-hook))
 479
 480 (defun wl-draft-reply-position (position)
 481   (cond ((eq position 'body)
 482          (wl-draft-body-goto-top))
 483         ((eq position 'bottom)
 484          (wl-draft-body-goto-bottom))
 485         ((eq position 'top)
 486          (goto-char (point-min)))
 487         ((and (stringp position)
 488               (std11-field-body position))
 489          (progn (mail-position-on-field position)
 490                 (wl-draft-beginning-of-line)))
 491         ((listp position)
 492          (while (car position)
 493            (wl-draft-reply-position (car position))
 494            (setq position (cdr position))))))
 495
 496 (defun wl-draft-add-references ()
 497   (wl-draft-add-in-reply-to "References"))
 498
 499 (defun wl-draft-add-in-reply-to (&optional alt-field)
 500   (let* ((mes-id (save-excursion
 501                    (set-buffer mail-reply-buffer)
 502                    (std11-field-body "message-id")))
 503          (field (or alt-field "In-Reply-To"))
 504          (ref (std11-field-body field))
 505          (ref-list nil) (st nil))
 506     (when (and mes-id ref)
 507       (while (string-match "<[^>]+>" ref st)
 508         (setq ref-list
 509               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 510                     ref-list)))
 511       (when (and ref-list
 512                  (member mes-id ref-list))
 513         (setq mes-id nil)))
 514     (when mes-id
 515       (save-excursion
 516         (when (mail-position-on-field field)
 517           (forward-line)
 518           (while (looking-at "^[ \t]")
 519             (forward-line))
 520           (setq mes-id (concat "\t" mes-id "\n")))
 521         (insert mes-id))
 522       t)))
 523
 524 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 525                                              &optional ignored-fields)
 526   (interactive)
 527   (save-restriction
 528     (narrow-to-region (point)(point))
 529     (insert
 530      (string-as-multibyte
 531       (with-current-buffer mail-reply-buffer
 532         (when decode-it
 533           (decode-mime-charset-region (point-min) (point-max)
 534                                       wl-mime-charset))
 535         (buffer-substring-no-properties
 536          (point-min) (point-max)))))
 537     (when ignored-fields
 538       (goto-char (point-min))
 539       (wl-draft-delete-fields ignored-fields))
 540     (goto-char (point-max))
 541     (push-mark (point) nil t)
 542     (goto-char (point-min)))
 543   (let ((beg (point)))
 544     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 545           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 546           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 547     (run-hooks 'wl-draft-cited-hook)
 548     (when (if wl-draft-add-references
 549               (wl-draft-add-references)
 550             (if wl-draft-add-in-reply-to
 551                 (wl-draft-add-in-reply-to)))
 552       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 553     (when wl-highlight-body-too
 554       (wl-highlight-body-region beg (point-max)))))
 555
 556 (defun wl-message-news-p ()
 557   "If exist valid Newsgroups field, return non-nil."
 558   (std11-field-body "Newsgroups"))
 559
 560 (defun wl-message-field-exists-p (field)
 561   "If FIELD exist and FIELD value is not empty, return non-nil."
 562   (let ((value (std11-field-body field)))
 563     (and value
 564          (not (string= value "")))))
 565
 566 (defun wl-message-mail-p ()
 567   "If exist To, Cc or Bcc field, return non-nil."
 568   (or (wl-message-field-exists-p "To")
 569       (wl-message-field-exists-p "Resent-to")
 570       (wl-message-field-exists-p "Cc")
 571       (wl-message-field-exists-p "Bcc")
 572       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 573 ;;; This may be needed..
 574 ;;;   (wl-message-field-exists-p "Fcc")
 575       ))
 576
 577 (defun wl-draft-edit-string (string)
 578   (let ((cur-buf (current-buffer))
 579         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 580         to subject in-reply-to cc references newsgroups mail-followup-to
 581         content-type content-transfer-encoding from
 582         body-beg)
 583     (set-buffer tmp-buf)
 584     (erase-buffer)
 585     (insert string)
 586     (setq to (std11-field-body "To"))
 587     (setq to (and to
 588                   (eword-decode-string
 589                    (decode-mime-charset-string
 590                     to
 591                     wl-mime-charset))))
 592     (setq subject (std11-field-body "Subject"))
 593     (setq subject (and subject
 594                        (eword-decode-string
 595                         (decode-mime-charset-string
 596                          subject
 597                          wl-mime-charset))))
 598     (setq from (std11-field-body "From")
 599           from (and from
 600                     (eword-decode-string
 601                      (decode-mime-charset-string
 602                       from
 603                       wl-mime-charset))))
 604     (setq in-reply-to (std11-field-body "In-Reply-To"))
 605     (setq cc (std11-field-body "Cc"))
 606     (setq cc (and cc
 607                   (eword-decode-string
 608                    (decode-mime-charset-string
 609                     cc
 610                     wl-mime-charset))))
 611     (setq references (std11-field-body "References"))
 612     (setq newsgroups (std11-field-body "Newsgroups"))
 613     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 614     (setq content-type (std11-field-body "Content-Type"))
 615     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 616     (goto-char (point-min))
 617     (or (re-search-forward "\n\n" nil t)
 618         (search-forward (concat mail-header-separator "\n") nil t))
 619     (unwind-protect
 620         (set-buffer
 621          (wl-draft (list
 622                     (cons 'From
 623                           (if (wl-address-user-mail-address-p from) from))
 624                     (cons 'To to)
 625                     (cons 'Cc cc)
 626                     (cons 'Subject subject)
 627                     (cons 'Newsgroups newsgroups)
 628                     (cons 'Mail-Followup-To mail-followup-to)
 629                     (cons 'In-Reply-To in-reply-to)
 630                     (cons 'References references))
 631                    content-type content-transfer-encoding
 632                    (buffer-substring (point) (point-max))
 633                    'edit-again))
 634       (kill-buffer tmp-buf))
 635     ;; Set cursor point to the top.
 636     (goto-char (point-min))
 637     (search-forward (concat mail-header-separator "\n") nil t)
 638     (run-hooks 'wl-draft-reedit-hook)
 639     (and to (mail-position-on-field "To"))))
 640
 641 (defun wl-draft-insert-current-message (dummy)
 642   (interactive)
 643   (let (original-buffer
 644         mail-reply-buffer
 645         mail-citation-hook mail-yank-hooks
 646         wl-draft-add-references wl-draft-add-in-reply-to
 647         wl-draft-cite-function)
 648     (if (and wl-draft-buffer-cur-summary-buffer
 649              (with-current-buffer wl-draft-buffer-cur-summary-buffer
 650                (and wl-message-buffer
 651                     (with-current-buffer wl-message-buffer
 652                       (setq original-buffer (wl-message-get-original-buffer))
 653                       (not (zerop (with-current-buffer original-buffer
 654                                     (buffer-size))))))))
 655         (progn
 656           (setq mail-reply-buffer original-buffer)
 657           (wl-draft-yank-from-mail-reply-buffer
 658            nil
 659            wl-ignored-forwarded-headers))
 660       (when (string= (mime-make-tag "message" "rfc822")
 661                      (buffer-substring-no-properties (point-at-bol 0)(point-at-eol 0)))
 662         (delete-region (point-at-bol 0) (1+ (point-at-eol 0))))
 663       (error "No current message"))))
 664
 665 (defun wl-draft-insert-get-message (dummy)
 666   (let ((fld (completing-read
 667               "Folder name: "
 668               (if (memq 'read-folder wl-use-folder-petname)
 669                   (wl-folder-get-entity-with-petname)
 670                 wl-folder-entity-hashtb)
 671               nil nil wl-default-spec
 672               'wl-read-folder-history))
 673         (number (call-interactively
 674                  (function (lambda (num)
 675                              (interactive "nNumber: ")
 676                              num))))
 677         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 678         mail-citation-hook mail-yank-hooks
 679         wl-draft-cite-function)
 680     (unwind-protect
 681         (progn
 682           (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 683                               number
 684                               ;; No cache.
 685                               (elmo-make-fetch-strategy 'entire)
 686                               nil mail-reply-buffer)
 687           (wl-draft-yank-from-mail-reply-buffer nil))
 688       (kill-buffer mail-reply-buffer))))
 689
 690 ;;
 691 ;; default body citation func
 692 ;;
 693 (defun wl-default-draft-cite ()
 694   (let ((mail-yank-ignored-headers "[^:]+:")
 695         (mail-yank-prefix "> ")
 696         date from cite-title)
 697     (save-restriction
 698       (if (< (mark t) (point))
 699           (exchange-point-and-mark))
 700       (narrow-to-region (point)(point-max))
 701       (setq date (std11-field-body "date")
 702             from (std11-field-body "from")))
 703     (when (or date from)
 704       (insert (format "At %s,\n%s wrote:\n"
 705                       (or date "some time ago")
 706                       (if wl-default-draft-cite-decorate-author
 707                           (funcall wl-summary-from-function
 708                                    (or from "you"))
 709                         (or from "you")))))
 710     (mail-indent-citation)))
 711
 712 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 713 (defun wl-draft-yank-to-draft-buffer (buffer)
 714   "Yank BUFFER content to `wl-draft-buffer'."
 715   (set-buffer wl-draft-buffer)
 716   (let ((mail-reply-buffer buffer))
 717     (wl-draft-yank-from-mail-reply-buffer nil)
 718     (kill-buffer buffer)))
 719
 720 (defun wl-draft-yank-original (&optional arg)
 721   "Yank original message."
 722   (interactive "P")
 723   (if arg
 724       (let (buf mail-reply-buffer)
 725         (elmo-set-work-buf
 726          (insert "\n")
 727          (yank)
 728          (setq buf (current-buffer)))
 729         (setq mail-reply-buffer buf)
 730         (wl-draft-yank-from-mail-reply-buffer nil))
 731     (wl-draft-yank-current-message-entity)))
 732
 733 (defun wl-draft-hide (editing-buffer)
 734   "Hide the editing draft buffer if possible."
 735   (when (and editing-buffer
 736              (buffer-live-p editing-buffer)
 737              (get-buffer-window editing-buffer))
 738     (select-window (get-buffer-window editing-buffer))
 739     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 740           fld-buf sum-win fld-win)
 741       (if (and wl-draft-use-frame
 742                (> (length (visible-frame-list)) 1))
 743           ;; hide draft frame
 744           (delete-frame)
 745         ;; hide draft window
 746         (or (one-window-p)
 747             (delete-window))
 748         ;; stay folder window if required
 749         (when wl-stay-folder-window
 750           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 751               (if (setq fld-win (get-buffer-window fld-buf))
 752                   (select-window fld-win)
 753                 (if wl-draft-resume-folder-window ;; resume folder window
 754                     (switch-to-buffer fld-buf)))))
 755         (if (buffer-live-p sum-buf)
 756             (if (setq sum-win (get-buffer-window sum-buf t))
 757                 ;; if Summary is on the frame, select it.
 758                 (select-window sum-win)
 759               ;; if summary is not on the frame, switch to it.
 760               (if (and wl-stay-folder-window
 761                        (or wl-draft-resume-folder-window fld-win))
 762                   (wl-folder-select-buffer sum-buf)
 763                 (switch-to-buffer sum-buf))))))))
 764
 765 (defun wl-draft-delete (editing-buffer)
 766   "Kill the editing draft buffer and delete the file corresponds to it."
 767   (save-excursion
 768     (when editing-buffer
 769       (set-buffer editing-buffer)
 770       (when wl-draft-buffer-message-number
 771         (elmo-folder-delete-messages (wl-draft-get-folder)
 772                                      (list
 773                                       wl-draft-buffer-message-number))
 774         (wl-draft-config-info-operation wl-draft-buffer-message-number
 775                                         'delete))
 776       (set-buffer-modified-p nil)               ; force kill
 777       (kill-buffer editing-buffer))))
 778
 779 (defun wl-draft-kill (&optional force-kill)
 780   "Kill current draft buffer and quit editing."
 781   (interactive "P")
 782   (save-excursion
 783     (when (and (or (eq major-mode 'wl-draft-mode)
 784                    (eq major-mode 'mail-mode))
 785                (or force-kill
 786                    (yes-or-no-p "Kill Current Draft? ")))
 787       (let ((cur-buf (current-buffer)))
 788         (run-hooks 'wl-draft-kill-pre-hook)
 789         (wl-draft-hide cur-buf)
 790         (wl-draft-delete cur-buf)))
 791     (message "")))
 792
 793 (defun wl-draft-fcc ()
 794   "Add a new Fcc field, with file name completion."
 795   (interactive)
 796   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 797       (mail-position-on-field "to"))
 798   (insert "\nFcc: "))
 799
 800 ;; Imported from message.el.
 801 (defun wl-draft-elide-region (b e)
 802   "Elide the text in the region.
 803 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 804 text was killed."
 805   (interactive "r")
 806   (kill-region b e)
 807   (insert wl-draft-elide-ellipsis))
 808
 809 ;; Imported from message.el.
 810 (defun wl-draft-beginning-of-line (&optional n)
 811   "Move point to beginning of header value or to beginning of line."
 812   (interactive "p")
 813   (let ((zrs 'zmacs-region-stays))
 814     (when (and (interactive-p) (boundp zrs))
 815       (set zrs t)))
 816   (if (wl-draft-point-in-header-p)
 817       (let* ((here (point))
 818              (bol (progn (beginning-of-line n) (point)))
 819              (eol (line-end-position))
 820              (eoh (and (looking-at "[^ \t]")
 821                        (re-search-forward ": *" eol t))))
 822         (if (and eoh (or (> here eoh) (= here bol)))
 823             (goto-char eoh)
 824           (goto-char bol)))
 825     (beginning-of-line n)))
 826
 827 (defun wl-draft-point-in-header-p ()
 828   "Return t if point is in the header."
 829   (save-excursion
 830     (let ((p (point)))
 831       (goto-char (point-min))
 832       (not (re-search-forward
 833             (concat "^" (regexp-quote mail-header-separator) "\n")
 834             p t)))))
 835
 836 ;; function for wl-sent-message-via
 837
 838 (defmacro wl-draft-sent-message-p (type)
 839   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 840
 841 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 842   (` (let ((element (assq (, type) wl-sent-message-via)))
 843        (if element
 844            (unless (eq (nth 1 element) (, result))
 845              (setcdr element (list (, result) (, server-port)))
 846              (setq wl-sent-message-modified t))
 847          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 848          (setq wl-sent-message-modified t)))))
 849
 850 (defun wl-draft-sent-message-results ()
 851   (let ((results wl-sent-message-via)
 852         unplugged-via sent-via)
 853     (while results
 854       (cond ((eq (nth 1 (car results)) 'unplugged)
 855              (push (caar results) unplugged-via))
 856             ((eq (nth 1 (car results)) 'sent)
 857              (push (caar results) sent-via)))
 858       (setq results (cdr results)))
 859     (list unplugged-via sent-via)))
 860
 861 (defun wl-draft-write-sendlog (status proto server to id)
 862   "Write send log file, if `wl-draft-sendlog' is non-nil."
 863   (when wl-draft-sendlog
 864     (with-temp-buffer
 865       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 866                                          elmo-msgdb-directory))
 867              (filesize (nth 7 (file-attributes filename)))
 868              (server (if server (concat " server=" server) ""))
 869              (to (if to (cond
 870                          ((memq proto '(fcc queue))
 871                           (format " folder=\"%s\"" to))
 872                          ((eq proto 'nntp)
 873                           (format " ng=<%s>" to))
 874                          (t
 875                           (concat " to="
 876                                   (mapconcat
 877                                    'identity
 878                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 879                                    ","))))
 880                    ""))
 881              (id (if id (concat " id=" id) ""))
 882              (time (format-time-string "%Y/%m/%d %T")))
 883         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 884                         time proto status server to id))
 885         (if (and wl-draft-sendlog-max-size filesize
 886                  (> filesize wl-draft-sendlog-max-size))
 887             (rename-file filename (concat filename ".old") t))
 888         (if (file-writable-p filename)
 889             (write-region-as-binary (point-min) (point-max)
 890                                     filename t 'no-msg)
 891           (message "%s is not writable." filename))))))
 892
 893 (defun wl-draft-get-header-delimiter (&optional delete)
 894   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 895   (let (delimline)
 896     (goto-char (point-min))
 897     (when (re-search-forward
 898            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 899       (replace-match "")
 900       (if delete
 901           (forward-char -1))
 902       (setq delimline (point-marker)))
 903     delimline))
 904
 905 (defun wl-draft-send-mail-with-qmail ()
 906   "Pass the prepared message buffer to qmail-inject.
 907 Refer to the documentation for the variable `send-mail-function'
 908 to find out how to use this."
 909   (if (and wl-draft-qmail-send-plugged
 910            (not (elmo-plugged-p)))
 911       (wl-draft-set-sent-message 'mail 'unplugged)
 912     ;; send the message
 913     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 914     (let ((id (std11-field-body "Message-ID"))
 915           (to (std11-field-body "To")))
 916       (case
 917           (as-binary-process
 918            (apply
 919             'call-process-region 1 (point-max) wl-qmail-inject-program
 920             nil nil nil
 921             wl-qmail-inject-args))
 922         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 923         ;; we have to look at the retval instead
 924         (0   (progn
 925                (wl-draft-set-sent-message 'mail 'sent)
 926                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 927         (1   (error "`qmail-inject' reported permanent failure"))
 928         (111 (error "`qmail-inject' reported transient failure"))
 929         ;; should never happen
 930         (t   (error "`qmail-inject' reported unknown failure"))))))
 931
 932 (defun wl-draft-parse-msg-id-list-string (string)
 933   "Get msg-id list from STRING."
 934   (let (msg-id-list)
 935     (dolist (parsed-id (std11-parse-msg-ids-string string))
 936       (when (eq (car parsed-id) 'msg-id)
 937         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 938                                 msg-id-list))))
 939     (nreverse msg-id-list)))
 940
 941 (defun wl-draft-eword-encode-address-list (string &optional column)
 942   "Encode header field STRING as list of address, and return the result.
 943 Cause an error when STRING contains invalid address.
 944 Optional argument COLUMN is start-position of the field."
 945   (car (eword-encode-rword-list
 946         (or column eword-encode-default-start-column)
 947         (eword-encode-addresses-to-rword-list
 948          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 949
 950 (defun wl-draft-std11-parse-addresses (lal)
 951   (let ((ret (std11-parse-address lal)))
 952     (when (and (not (and (eq (length lal) 1)
 953                          (eq (car (car lal)) 'spaces)))
 954                (null ret))
 955       (error "Error while parsing address"))
 956     (if ret
 957         (let ((dest (list (car ret))))
 958           (setq lal (cdr ret))
 959           (while (and (setq ret (std11-parse-ascii-token lal))
 960                       (string-equal (cdr (assq 'specials (car ret))) ",")
 961                       (setq ret (std11-parse-address (cdr ret)))
 962                       )
 963             (setq dest (cons (car ret) dest))
 964             (setq lal (cdr ret)))
 965           (while (eq 'spaces (car (car lal)))
 966             (setq lal (cdr lal)))
 967           (if lal (error "Error while parsing address"))
 968           (nreverse dest)))))
 969
 970 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 971   "Get mailbox list of FIELD from current buffer.
 972 The buffer is expected to be narrowed to just the headers of the message.
 973 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 974 from current buffer."
 975   (save-excursion
 976     (let ((case-fold-search t)
 977           (inhibit-read-only t)
 978           addresses address
 979           mailbox-list beg seq has-group-list)
 980       (goto-char (point-min))
 981       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 982                                 nil t)
 983         (setq beg (point))
 984         (re-search-forward "^[^ \t]" nil 'move)
 985         (beginning-of-line)
 986         (skip-chars-backward "\n")
 987         (setq seq (std11-lexical-analyze
 988                    (buffer-substring-no-properties beg (point))))
 989         (setq addresses (wl-draft-std11-parse-addresses seq))
 990         (while addresses
 991           (cond ((eq (car (car addresses)) 'group)
 992                  (setq has-group-list t)
 993                  (setq mailbox-list
 994                        (nconc mailbox-list
 995                               (mapcar
 996                                'std11-address-string
 997                                (nth 2 (car addresses))))))
 998                 ((eq (car (car addresses)) 'mailbox)
 999                  (setq address (nth 1 (car addresses)))
1000                  (setq mailbox-list
1001                        (nconc mailbox-list
1002                               (list
1003                                (std11-addr-to-string
1004                                 (if (eq (car address) 'phrase-route-addr)
1005                                     (nth 2 address)
1006                                   (cdr address))))))))
1007           (setq addresses (cdr addresses)))
1008         (when (and remove-group-list has-group-list)
1009           (delete-region beg (point))
1010           (insert (wl-address-string-without-group-list-contents seq))))
1011       mailbox-list)))
1012
1013 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1014   "Get address list suitable for smtp RCPT TO:<address>.
1015 Group list content is removed if `wl-draft-remove-group-list-contents' is
1016 non-nil."
1017   (let ((fields (if (and wl-draft-doing-mime-bcc
1018                          wl-draft-disable-bcc-for-mime-bcc)
1019                     '("to" "cc")
1020                   '("to" "cc" "bcc")))
1021         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1022         (case-fold-search t)
1023         addrs recipients)
1024     (save-excursion
1025       (save-restriction
1026         (narrow-to-region header-start header-end)
1027         (goto-char (point-min))
1028         (save-excursion
1029           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1030               (setq fields resent-fields)))
1031         (while fields
1032           (setq recipients
1033                 (nconc recipients
1034                        (wl-draft-parse-mailbox-list
1035                         (car fields)
1036                         wl-draft-remove-group-list-contents)))
1037           (setq fields (cdr fields)))
1038         recipients))))
1039
1040 ;;
1041 ;; from Semi-gnus
1042 ;;
1043 (defun wl-draft-send-mail-with-smtp ()
1044   "Send the prepared message buffer with SMTP."
1045   (require 'smtp)
1046   (let* ((errbuf (if mail-interactive
1047                      (generate-new-buffer " smtp errors")
1048                    0))
1049          (case-fold-search t)
1050          (default-case-fold-search t)
1051          (sender (or wl-envelope-from
1052                      (wl-address-header-extract-address wl-from)))
1053          (delimline (save-excursion
1054                       (goto-char (point-min))
1055                       (re-search-forward
1056                        (concat "^" (regexp-quote mail-header-separator)
1057                                "$\\|^$") nil t)
1058                       (point-marker)))
1059          (smtp-server
1060           (or wl-smtp-posting-server smtp-server "localhost"))
1061          (smtp-service (or wl-smtp-posting-port smtp-service))
1062          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1063          (id (std11-field-body "message-id"))
1064          recipients)
1065     (if (not (elmo-plugged-p smtp-server smtp-service))
1066         (wl-draft-set-sent-message 'mail 'unplugged
1067                                    (cons smtp-server smtp-service))
1068       (unwind-protect
1069           (save-excursion
1070             ;; Instead of `smtp-deduce-address-list'.
1071             (setq recipients (wl-draft-deduce-address-list
1072                               (current-buffer) (point-min) delimline))
1073             (unless recipients (error "No recipients"))
1074             ;; Insert an extra newline if we need it to work around
1075             ;; Sun's bug that swallows newlines.
1076             (goto-char (1+ delimline))
1077             (if (eval mail-mailer-swallows-blank-line)
1078                 (newline))
1079             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1080             (if mail-interactive
1081                 (save-excursion
1082                   (set-buffer errbuf)
1083                   (erase-buffer)))
1084             (wl-draft-delete-field "bcc" delimline)
1085             (wl-draft-delete-field "resent-bcc" delimline)
1086             (let (process-connection-type)
1087               (as-binary-process
1088                (when recipients
1089                  (wl-smtp-extension-bind
1090                   (condition-case err
1091                       (smtp-send-buffer sender recipients (current-buffer))
1092                     (error
1093                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1094                                              recipients id)
1095                      (if (and (eq (car err) 'smtp-response-error)
1096                               (= (nth 1 err) 535))
1097                          (elmo-remove-passwd
1098                           (wl-smtp-password-key
1099                            smtp-sasl-user-name
1100                            (car smtp-sasl-mechanisms)
1101                            smtp-server)))
1102                      (signal (car err) (cdr err)))
1103                     (quit
1104                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1105                                              recipients id)
1106                      (signal (car err) (cdr err)))))
1107                  (wl-draft-set-sent-message 'mail 'sent)
1108                  (wl-draft-write-sendlog
1109                   'ok 'smtp smtp-server recipients id)))))
1110         (if (bufferp errbuf)
1111             (kill-buffer errbuf))))))
1112
1113 (defun wl-draft-send-mail-with-pop-before-smtp ()
1114   "Send the prepared message buffer with POP-before-SMTP."
1115   (require 'elmo-pop3)
1116   (let ((folder
1117          (luna-make-entity
1118           'elmo-pop3-folder
1119           :user   (or wl-pop-before-smtp-user
1120                       elmo-pop3-default-user)
1121           :server (or wl-pop-before-smtp-server
1122                       elmo-pop3-default-server)
1123           :port   (or wl-pop-before-smtp-port
1124                       elmo-pop3-default-port)
1125           :auth   (or wl-pop-before-smtp-authenticate-type
1126                       elmo-pop3-default-authenticate-type)
1127           :stream-type (elmo-get-network-stream-type
1128                         (or wl-pop-before-smtp-stream-type
1129                             elmo-pop3-default-stream-type))))
1130         session)
1131     (condition-case error
1132         (progn
1133           (setq session (elmo-pop3-get-session folder))
1134           (when session (elmo-network-close-session session)))
1135       (error
1136        (unless (string= (nth 1 error) "Unplugged")
1137          (signal (car error) (cdr error))))))
1138   (wl-draft-send-mail-with-smtp))
1139
1140 (defun wl-draft-insert-required-fields (&optional force-msgid)
1141   "Insert Message-ID, Date, and From field.
1142 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1143   ;; Insert Message-Id field...
1144   (goto-char (point-min))
1145   (when (and (or force-msgid
1146                  wl-insert-message-id)
1147              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1148     (insert (concat "Message-ID: "
1149                     (funcall wl-message-id-function)
1150                     "\n")))
1151   ;; Insert date field.
1152   (goto-char (point-min))
1153   (or (re-search-forward "^Date[ \t]*:" nil t)
1154       (wl-draft-insert-date-field))
1155   ;; Insert from field.
1156   (goto-char (point-min))
1157   (or (re-search-forward "^From[ \t]*:" nil t)
1158       (wl-draft-insert-from-field)))
1159
1160 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1161   "Send the message in the current buffer."
1162   (save-restriction
1163     (narrow-to-region (goto-char (point-min))
1164                       (if (re-search-forward
1165                            (concat
1166                             "^" (regexp-quote mail-header-separator) "$")
1167                            nil t)
1168                           (match-beginning 0)
1169                         (point-max)))
1170     (wl-draft-insert-required-fields)
1171     ;; ignore any blank lines in the header
1172     (while (progn (goto-char (point-min))
1173                   (re-search-forward "\n[ \t]*\n\n*" nil t))
1174       (replace-match "\n"))
1175     (goto-char (point-min))
1176     (while (re-search-forward
1177             "^[^ \t\n:]+:[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n"
1178             nil t)
1179       (when (string= "" (match-string 1))
1180         (replace-match ""))))
1181 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1182   (wl-draft-dispatch-message)
1183   (when kill-when-done
1184     ;; hide editing-buffer.
1185     (wl-draft-hide editing-buffer)
1186     ;; delete editing-buffer and its file.
1187     (wl-draft-delete editing-buffer)))
1188
1189 (defun wl-draft-dispatch-message (&optional mes-string)
1190   "Send the message in the current buffer.  Not modified the header fields."
1191   (let (delimline mime-bcc)
1192     (if (and wl-draft-verbose-send mes-string)
1193         (message "%s" mes-string))
1194     ;; get fcc folders.
1195     (setq delimline (wl-draft-get-header-delimiter t))
1196     (unless wl-draft-fcc-list
1197       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1198     ;;
1199     (setq wl-sent-message-modified nil)
1200     (unwind-protect
1201         (progn
1202           (if (and (wl-message-mail-p)
1203                    (not (wl-draft-sent-message-p 'mail)))
1204               (if (or (not (or wl-draft-force-queuing
1205                                wl-draft-force-queuing-mail))
1206                       (memq 'mail wl-sent-message-queued))
1207                   (progn
1208                     (setq mime-bcc (wl-draft-mime-bcc-field))
1209                     (funcall wl-draft-send-mail-function)
1210                     (when (not (zerop (length mime-bcc)))
1211                       (wl-draft-do-mime-bcc mime-bcc)))
1212                 (push 'mail wl-sent-message-queued)
1213                 (wl-draft-set-sent-message 'mail 'unplugged)))
1214           (if (and (wl-message-news-p)
1215                    (not (wl-draft-sent-message-p 'news))
1216                    (not (wl-message-field-exists-p "Resent-to")))
1217               (if (or (not (or wl-draft-force-queuing
1218                                wl-draft-force-queuing-news))
1219                       (memq 'news wl-sent-message-queued))
1220                   (funcall wl-draft-send-news-function)
1221                 (push 'news wl-sent-message-queued)
1222                 (wl-draft-set-sent-message 'news 'unplugged))))
1223       (let* ((status (wl-draft-sent-message-results))
1224              (unplugged-via (car status))
1225              (sent-via (nth 1 status)))
1226         ;; If one sent, process fcc folder.
1227         (if (and sent-via wl-draft-fcc-list)
1228             (progn
1229               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1230                                wl-draft-fcc-list)
1231               (setq wl-draft-fcc-list nil)))
1232         (if wl-draft-use-cache
1233             (let ((id (std11-field-body "Message-ID"))
1234                   (elmo-enable-disconnected-operation t))
1235               (elmo-file-cache-save (elmo-file-cache-get-path id)
1236                                     nil)))
1237         ;; If one unplugged, append queue.
1238         (when (and unplugged-via
1239                    wl-sent-message-modified)
1240           (if wl-draft-enable-queuing
1241               (progn
1242                 (wl-draft-queue-append wl-sent-message-via)
1243                 (setq wl-sent-message-modified 'requeue))
1244             (error "Unplugged")))
1245         (when wl-draft-verbose-send
1246           (if (and unplugged-via sent-via);; combined message
1247               (progn
1248                 (setq wl-draft-verbose-msg
1249                       (format "Sending%s and Queuing%s..."
1250                               sent-via unplugged-via))
1251                 (message "%sdone" wl-draft-verbose-msg))
1252             (if mes-string
1253                 (message "%s%s"
1254                          mes-string
1255                          (if sent-via "done" "failed"))))))))
1256   (not wl-sent-message-modified)) ;; return value
1257
1258 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1259   "Force send current buffer as raw message."
1260   (interactive)
1261   (save-excursion
1262     (let (wl-interactive-send
1263 ;;;       wl-draft-verbose-send
1264           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1265           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1266           mail-send-hook
1267           mail-send-actions)
1268       (wl-draft-send kill-when-done mes-string))))
1269
1270 (defun wl-draft-clone-local-variables ()
1271   (let ((locals (buffer-local-variables))
1272         result)
1273     (while locals
1274       (when (and (consp (car locals))
1275                  (car (car locals))
1276                  (string-match wl-draft-clone-local-variable-regexp
1277                                (symbol-name (car (car locals)))))
1278         (wl-append result (list (car (car locals)))))
1279       (setq locals (cdr locals)))
1280     result))
1281
1282 (defcustom wl-draft-send-confirm-with-preview t
1283   "Non-nil to invoke preview through confirmation of sending.
1284 This variable is valid when `wl-interactive-send' has non-nil value."
1285   :type 'boolean
1286   :group 'wl-draft)
1287
1288 (defun wl-draft-send-confirm ()
1289   (let (answer)
1290     (unwind-protect
1291         (condition-case quit
1292             (progn
1293               (when wl-draft-send-confirm-with-preview
1294                 (wl-draft-preview-message))
1295               (save-excursion
1296                 (goto-char (point-min)) ; to show recipients in header
1297                 (catch 'done
1298                   (while t
1299                     (discard-input)
1300                     (message "Send current draft? <y/n/j(down)/k(up)> ")
1301                     (setq answer (let ((cursor-in-echo-area t)) (read-char)))
1302                     (cond
1303                      ((or (eq answer ?y)
1304                           (eq answer ?Y)
1305                           (eq answer ? ))
1306                   (throw 'done t))
1307                      ((or (eq answer ?v)
1308                           (eq answer ?j)
1309                           (eq answer ?J))
1310                       (condition-case err
1311                           (scroll-up)
1312                         (error nil)))
1313                      ((or (eq answer ?^)
1314                           (eq answer ?k)
1315                           (eq answer ?K))
1316                       (condition-case err
1317                           (scroll-down)
1318                         (error nil)))
1319                      (t
1320                       (throw 'done nil)))))))
1321           (quit nil))
1322       (when (and wl-draft-send-confirm-with-preview
1323                  (eq major-mode 'mime-view-mode))
1324         (wl-mime-quit-preview)))))
1325
1326 (defun wl-draft-send (&optional kill-when-done mes-string)
1327   "Send current draft message.
1328 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1329   (interactive)
1330   ;; Don't call this explicitly.
1331   ;; Added to 'wl-draft-send-hook (by teranisi)
1332   ;; (wl-draft-config-exec)
1333   (run-hooks 'wl-draft-send-hook)
1334   (when (or (not wl-interactive-send)
1335             (wl-draft-send-confirm))
1336     (let ((send-mail-function 'wl-draft-raw-send)
1337           (editing-buffer (current-buffer))
1338           (sending-buffer (wl-draft-generate-clone-buffer
1339                            " *wl-draft-sending-buffer*"
1340                            (append wl-draft-config-variables
1341                                    (wl-draft-clone-local-variables))))
1342           (parent-flag wl-draft-parent-flag)
1343           (parent-number wl-draft-parent-number)
1344           (parent-folder wl-draft-parent-folder)
1345           (wl-draft-verbose-msg nil)
1346           err)
1347       (unwind-protect
1348           (save-excursion
1349             (set-buffer sending-buffer)
1350             (if (and (not (wl-message-mail-p))
1351                      (not (wl-message-news-p)))
1352                 (error "No recipient is specified"))
1353             (expand-abbrev)             ; for mail-abbrevs
1354             (let ((mime-header-encode-method-alist
1355                    (append
1356                     '((wl-draft-eword-encode-address-list
1357                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1358                     (if (boundp 'mime-header-encode-method-alist)
1359                         (symbol-value 'mime-header-encode-method-alist)))))
1360               (run-hooks 'mail-send-hook) ; translate buffer
1361               )
1362             ;;
1363             (if wl-draft-verbose-send
1364                 (message "%s" (or mes-string "Sending...")))
1365             ;; Set flag before send-function because
1366             ;; there's no need to change current mailbox at this time.
1367             ;; If flag is set after send-function, the current mailbox
1368             ;; might changed by Fcc.
1369             ;; It causes a huge loss in the IMAP folder.
1370             (when (and parent-flag parent-number
1371                        (not (eq (length parent-folder) 0)))
1372               (wl-folder-set-persistent-mark
1373                parent-folder parent-number parent-flag))
1374             (funcall wl-draft-send-function editing-buffer kill-when-done)
1375             ;; Now perform actions on successful sending.
1376             (while mail-send-actions
1377               (condition-case ()
1378                   (apply (car (car mail-send-actions))
1379                          (cdr (car mail-send-actions)))
1380                 (error))
1381               (setq mail-send-actions (cdr mail-send-actions)))
1382             (if wl-draft-verbose-send
1383                 (message "%sdone"
1384                          (or wl-draft-verbose-msg
1385                              mes-string
1386                              "Sending..."))))
1387         ;; kill sending buffer, anyway.
1388         (and (buffer-live-p sending-buffer)
1389              (kill-buffer sending-buffer))))))
1390
1391 (defun wl-draft-mime-bcc-field ()
1392   "Return the MIME-Bcc field body.  The field is deleted."
1393   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1394     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1395
1396 (defun wl-draft-do-mime-bcc (field-body)
1397   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1398   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1399                                            'From))
1400         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1401                                                "")
1402                                            'Subject))
1403         (recipients (wl-parse-addresses field-body))
1404         (draft-buffer (current-buffer))
1405         wl-draft-use-frame)
1406     (save-window-excursion
1407       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1408                  (not (zerop (length field-body))))
1409         (let ((wl-draft-doing-mime-bcc t))
1410           (dolist (recipient recipients)
1411             (wl-draft-create-buffer)
1412             (wl-draft-create-contents
1413              (append `((From . ,orig-from)
1414                        (To . ,recipient)
1415                        (Subject . ,(concat "A blind carbon copy ("
1416                                            orig-subj
1417                                            ")")))
1418                      (wl-draft-default-headers)))
1419             (wl-draft-insert-mail-header-separator)
1420             (wl-draft-prepare-edit)
1421             (goto-char (point-max))
1422             (insert (or wl-draft-mime-bcc-body
1423                         "This is a blind carbon copy.")
1424                     "\n")
1425             (mime-edit-insert-tag "message" "rfc822")
1426             (insert-buffer draft-buffer)
1427             (let (wl-interactive-send)
1428               (wl-draft-send 'kill-when-done))))))))
1429
1430 (defun wl-draft-save ()
1431   "Save current draft."
1432   (interactive)
1433   (if (buffer-modified-p)
1434       (progn
1435         (message "Saving...")
1436         (let ((msg (buffer-substring-no-properties (point-min) (point-max)))
1437               next-number)
1438           (when wl-draft-buffer-message-number
1439             (elmo-folder-delete-messages (wl-draft-get-folder)
1440                                          (list wl-draft-buffer-message-number))
1441             (wl-draft-config-info-operation wl-draft-buffer-message-number
1442                                             'delete))
1443           (elmo-folder-check (wl-draft-get-folder))
1444           ;; If no header separator, insert it.
1445           (with-temp-buffer
1446             (insert msg)
1447             (goto-char (point-min))
1448             (unless (re-search-forward
1449                      (concat "^" (regexp-quote mail-header-separator) "$")
1450                      nil t)
1451               (goto-char (point-min))
1452               (if (re-search-forward "\n\n" nil t)
1453                   (replace-match (concat "\n" mail-header-separator "\n"))
1454                 (goto-char (point-max))
1455                 (insert (if (eq (char-before) ?\n) "" "\n")
1456                         mail-header-separator "\n")))
1457             (let ((mime-header-encode-method-alist
1458                    (append
1459                     '((eword-encode-unstructured-field-body
1460                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1461                     (if (boundp 'mime-header-encode-method-alist)
1462                         (symbol-value 'mime-header-encode-method-alist)))))
1463               (mime-edit-translate-buffer))
1464             (wl-draft-get-header-delimiter t)
1465             (setq next-number
1466                   (elmo-folder-next-message-number (wl-draft-get-folder)))
1467             (elmo-folder-append-buffer (wl-draft-get-folder)))
1468           (elmo-folder-check (wl-draft-get-folder))
1469           (elmo-folder-commit (wl-draft-get-folder))
1470           (setq wl-draft-buffer-message-number next-number)
1471           (rename-buffer (format "%s/%d" wl-draft-folder next-number))
1472           (setq buffer-file-name (buffer-name))
1473           (set-buffer-modified-p nil)
1474           (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
1475           (message "Saving...done")))
1476     (message "(No changes need to be saved)")))
1477
1478 (defun wl-draft-mimic-kill-buffer ()
1479   "Kill the current (draft) buffer with query."
1480   (interactive)
1481   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1482                                       (buffer-name))))
1483         wl-draft-use-frame)
1484     (if (or (not bufname)
1485             (string-equal bufname "")
1486             (string-equal bufname (buffer-name)))
1487         (let ((bufname (current-buffer)))
1488           (when (or (not (buffer-modified-p))
1489                     (yes-or-no-p
1490                      (format "Buffer %s modified; kill anyway? " bufname)))
1491             (set-buffer-modified-p nil)
1492             (wl-draft-hide bufname)
1493             (kill-buffer bufname)))
1494       (kill-buffer bufname))))
1495
1496 (defun wl-draft-save-and-exit ()
1497   "Save current draft and exit current draft mode."
1498   (interactive)
1499   (wl-draft-save)
1500   (let ((editing-buffer (current-buffer)))
1501     (wl-draft-hide editing-buffer)
1502     (kill-buffer editing-buffer)))
1503
1504 (defun wl-draft-send-and-exit ()
1505   "Send current draft message and kill it."
1506   (interactive)
1507   (wl-draft-send t))
1508
1509 (defun wl-draft-send-from-toolbar ()
1510   (interactive)
1511   (let ((wl-interactive-send t))
1512     (wl-draft-send-and-exit)))
1513
1514 (defun wl-draft-delete-field (field &optional delimline replace)
1515   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1516
1517 (defun wl-draft-delete-fields (field &optional delimline replace)
1518   (save-restriction
1519     (unless delimline
1520       (goto-char (point-min))
1521       (if (search-forward "\n\n" nil t)
1522           (setq delimline (point))
1523         (setq delimline (point-max))))
1524     (narrow-to-region (point-min) delimline)
1525     (goto-char (point-min))
1526     (let ((regexp (concat "^" field ":"))
1527           (case-fold-search t))
1528       (while (not (eobp))
1529         (if (looking-at regexp)
1530             (progn
1531               (delete-region
1532                (point)
1533                (progn
1534                  (forward-line 1)
1535                  (if (re-search-forward "^[^ \t]" nil t)
1536                      (goto-char (match-beginning 0))
1537                    (point-max))))
1538               (if replace
1539                   (insert (concat field ": " replace "\n"))))
1540           (forward-line 1)
1541           (if (re-search-forward "^[^ \t]" nil t)
1542               (goto-char (match-beginning 0))
1543             (point-max)))))))
1544
1545 (defun wl-draft-get-fcc-list (header-end)
1546   (if (and wl-draft-doing-mime-bcc
1547            wl-draft-disable-fcc-for-mime-bcc)
1548       (progn
1549         (wl-draft-delete-field "fcc")
1550         nil)
1551     (let (fcc-list
1552           (case-fold-search t))
1553       (or (markerp header-end) (error "HEADER-END must be a marker"))
1554       (save-excursion
1555         (goto-char (point-min))
1556         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1557           (save-match-data
1558             (setq fcc-list
1559                   (append fcc-list
1560                           (split-string
1561                            (buffer-substring-no-properties
1562                             (point)
1563                             (progn
1564                               (end-of-line)
1565                               (skip-chars-backward " \t")
1566                               (point)))
1567                            ",[ \t]*")))
1568             (dolist (folder fcc-list)
1569               (wl-folder-confirm-existence
1570                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1571           (delete-region (match-beginning 0)
1572                          (progn (forward-line 1) (point)))))
1573       fcc-list)))
1574
1575 (defcustom wl-draft-fcc-append-read-folder-history t
1576   "Non-nil to append fcc'ed folder to `wl-read-folder-history'."
1577   :type 'boolean
1578   :group 'wl-draft)
1579
1580 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1581   (let ((send-mail-buffer (current-buffer))
1582         (tembuf (generate-new-buffer " fcc output"))
1583         (case-fold-search t)
1584         beg end)
1585     (or (markerp header-end) (error "HEADER-END must be a marker"))
1586     (save-excursion
1587       (unless fcc-list
1588         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1589       (set-buffer tembuf)
1590       (erase-buffer)
1591       ;; insert just the headers to avoid moving the gap more than
1592       ;; necessary (the message body could be arbitrarily huge.)
1593       (insert-buffer-substring send-mail-buffer 1 header-end)
1594       (wl-draft-insert-required-fields t)
1595       (goto-char (point-max))
1596       (insert-buffer-substring send-mail-buffer header-end)
1597       (let ((id (std11-field-body "Message-ID"))
1598             (elmo-enable-disconnected-operation t))
1599         (while fcc-list
1600           (if (elmo-folder-append-buffer
1601                (wl-folder-get-elmo-folder
1602                 (eword-decode-string (car fcc-list)))
1603                (and wl-fcc-force-as-read '(read)))
1604               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1605             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1606           (if (and wl-draft-fcc-append-read-folder-history
1607                    (boundp 'wl-read-folder-history))
1608               (or (equal (car fcc-list) (car wl-read-folder-history))
1609                   (setq wl-read-folder-history
1610                         (append (list (car fcc-list)) wl-read-folder-history))))
1611           (setq fcc-list (cdr fcc-list)))))
1612     (kill-buffer tembuf)))
1613
1614 (defun wl-draft-on-field-p ()
1615   (if (< (point)
1616          (save-excursion
1617            (goto-char (point-min))
1618            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1619            (point)))
1620       (if (bolp)
1621           (if (bobp)
1622               t
1623             (save-excursion
1624               (forward-line -1)
1625               (if (or (looking-at ".*,[ \t]?$")
1626                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1627                   nil t)))
1628         (let ((pos (point)))
1629           (save-excursion
1630             (beginning-of-line)
1631             (if (looking-at "^[ \t]")
1632                 nil
1633               (if (re-search-forward ":" pos t) nil t)))))))
1634
1635 ;;;;;;;;;;;;;;;;
1636 ;;;###autoload
1637 (defun wl-draft (&optional header-alist
1638                            content-type content-transfer-encoding
1639                            body edit-again
1640                            parent-folder)
1641   "Write and send mail/news message with Wanderlust."
1642   (interactive)
1643   (require 'wl)
1644   (unless wl-init
1645     (wl-load-profile)
1646     (wl-folder-init)
1647     (elmo-init)
1648     (wl-plugged-init t))
1649   (let (wl-demo)
1650     (wl-init)) ; returns immediately if already initialized.
1651
1652   (wl-set-save-drafts)
1653   (let (buffer header-alist-internal)
1654     (setq buffer (wl-draft-create-buffer parent-folder))
1655     (unless (cdr (assq 'From header-alist))
1656       (setq header-alist
1657             (append (list (cons 'From wl-from)) header-alist)))
1658     (unless (cdr (assq 'To header-alist))
1659       (let ((to))
1660         (when (setq to (and
1661                         (interactive-p)
1662                         ""))
1663           (if (assq 'To header-alist)
1664               (setcdr (assq 'To header-alist) to)
1665             (setq header-alist
1666                   (append header-alist
1667                           (list (cons 'To to))))))))
1668     (unless (cdr (assq 'Subject header-alist))
1669       (if (assq 'Subject header-alist)
1670           (setcdr (assq 'Subject header-alist) "")
1671         (setq header-alist
1672               (append header-alist (list (cons 'Subject ""))))))
1673     (setq header-alist (append header-alist
1674                                (wl-draft-default-headers)
1675                                wl-draft-additional-header-alist
1676                                (if body (list "" (cons 'Body body)))))
1677     (wl-draft-create-contents header-alist)
1678     (if edit-again
1679         (wl-draft-decode-body
1680          content-type content-transfer-encoding))
1681     (wl-draft-insert-mail-header-separator)
1682     (wl-draft-prepare-edit)
1683     (if (interactive-p)
1684         (run-hooks 'wl-mail-setup-hook))
1685     (goto-char (point-min))
1686     (setq buffer-undo-list nil)
1687     (wl-user-agent-compose-internal) ;; user-agent
1688     (cond ((and
1689             (interactive-p)
1690             (string= (cdr (assq 'To header-alist)) ""))
1691            (mail-position-on-field "To"))
1692           (t
1693            (goto-char (point-max))))
1694     buffer))
1695
1696 (defun wl-draft-create-buffer (&optional parent-folder)
1697   (let* ((draft-folder (wl-draft-get-folder))
1698          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1699          (summary-buf (wl-summary-get-buffer parent-folder))
1700          (reply-or-forward
1701           (or (eq this-command 'wl-summary-reply)
1702               (eq this-command 'wl-summary-reply-with-citation)
1703               (eq this-command 'wl-summary-forward)
1704               (eq this-command 'wl-summary-target-mark-forward)
1705               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1706          (buffer (generate-new-buffer "*draft*"))) ; Just for initial name.
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     (let (change-major-mode-hook)
1743       (wl-draft-mode))
1744     (set-buffer-multibyte t)            ; draft buffer is always multibyte.
1745     (make-local-variable 'truncate-partial-width-windows)
1746     (setq truncate-partial-width-windows nil)
1747     (setq truncate-lines wl-draft-truncate-lines)
1748     (setq wl-sent-message-via nil)
1749     (setq wl-sent-message-queued nil)
1750     (setq wl-draft-config-exec-flag t)
1751     (setq wl-draft-parent-folder (or parent-folder ""))
1752     (or (eq this-command 'wl-folder-write-current-folder)
1753         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1754     buffer))
1755
1756 (defun wl-draft-create-contents (header-alist)
1757   "header-alist' sample
1758 '(function  ;; funcall
1759   string    ;; insert string
1760   (symbol . string)    ;;  insert symbol-value: string
1761   (symbol . function)  ;;  (funcall) and if it returns string,
1762                        ;;  insert symbol-value: string
1763   (symbol . nil)       ;;  do nothing
1764   nil                  ;;  do nothing
1765   )"
1766   (unless (eq major-mode 'wl-draft-mode)
1767     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1768   (let ((halist header-alist)
1769         field value)
1770     (while halist
1771       (cond
1772        ;; function
1773        ((functionp (car halist)) (funcall (car halist)))
1774        ;; string
1775        ((stringp (car halist)) (insert (car halist) "\n"))
1776        ;; cons
1777        ((consp (car halist))
1778         (setq field (car (car halist)))
1779         (setq value (cdr (car halist)))
1780         (cond
1781          ((symbolp field)
1782           (cond
1783            ((eq field 'Body) ; body
1784             (insert value))
1785            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1786            ((functionp value)
1787             (let ((value-return (funcall value)))
1788               (when (stringp value-return)
1789                 (insert (symbol-name field) ": " value-return "\n"))))
1790            ((not value))
1791            (t
1792             (debug))))
1793          ;;
1794          ((not field))
1795          (t
1796           (debug))
1797          )))
1798       (setq halist (cdr halist)))))
1799
1800 (defun wl-draft-prepare-edit ()
1801   (unless (eq major-mode 'wl-draft-mode)
1802     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1803   (let (change-major-mode-hook)
1804     (wl-draft-editor-mode)
1805     (static-when (boundp 'auto-save-file-name-transforms)
1806       (make-local-variable 'auto-save-file-name-transforms)
1807       (setq auto-save-file-name-transforms
1808             (cons (list (concat (regexp-quote wl-draft-folder)
1809                                 "/\\([0-9]+\\)")
1810                         (concat (expand-file-name
1811                                  "auto-save-"
1812                                  (elmo-folder-msgdb-path
1813                                   (wl-draft-get-folder)))
1814                                 "\\1"))
1815                   auto-save-file-name-transforms)))
1816     (when wl-draft-write-file-function
1817       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1818     (wl-draft-overload-functions)
1819     (wl-highlight-headers 'for-draft)
1820     (wl-draft-save)
1821     (clear-visited-file-modtime)))
1822
1823 (defun wl-draft-decode-header ()
1824   (save-excursion
1825     (std11-narrow-to-header)
1826     (wl-draft-decode-message-in-buffer)
1827     (widen)))
1828
1829 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1830   (let ((content-type
1831          (or content-type
1832                 (std11-field-body "content-type")))
1833         (content-transfer-encoding
1834          (or content-transfer-encoding
1835              (std11-field-body "content-transfer-encoding")))
1836         delimline)
1837     (save-excursion
1838       (std11-narrow-to-header)
1839       (wl-draft-delete-field "content-type")
1840       (wl-draft-delete-field "content-transfer-encoding")
1841       (goto-char (point-max))
1842       (setq delimline (point-marker))
1843       (widen)
1844       (narrow-to-region delimline (point-max))
1845       (goto-char (point-min))
1846       (when content-type
1847         (insert "Content-type: " content-type "\n"))
1848       (when content-transfer-encoding
1849         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1850       (wl-draft-decode-message-in-buffer)
1851       (goto-char (point-min))
1852       (unless (re-search-forward "^$" (point-at-eol) t)
1853         (insert "\n"))
1854       (widen)
1855       delimline)))
1856
1857 ;;; subroutine for wl-draft-create-contents
1858 ;;; must be used in wl-draft-mode
1859 (defun wl-draft-check-new-line ()
1860   (if (not (= (preceding-char) ?\n))
1861       (insert ?\n)))
1862
1863 (defsubst wl-draft-trim-ccs (cc)
1864   (let ((field
1865          (if (functionp cc)
1866              (funcall cc)
1867            cc)))
1868     (if (and field
1869              (null (and wl-draft-delete-myself-from-bcc-fcc
1870                         (elmo-list-member
1871                          (mapcar 'wl-address-header-extract-address
1872                                  (append
1873                                   (wl-parse-addresses (std11-field-body "To"))
1874                                   (wl-parse-addresses (std11-field-body "Cc"))))
1875                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1876         field
1877       nil)))
1878
1879 (defsubst wl-draft-default-headers ()
1880   (list
1881    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1882                              (wl-address-header-extract-address
1883                               wl-from)))
1884    (cons 'User-Agent wl-generate-mailer-string-function)
1885    (cons 'Reply-To mail-default-reply-to)
1886    (cons 'Bcc (function
1887                (lambda ()
1888                  (wl-draft-trim-ccs
1889                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1890    (cons 'Fcc (function
1891                (lambda ()
1892                  (wl-draft-trim-ccs wl-fcc))))
1893    (cons 'Organization wl-organization)
1894    (and wl-auto-insert-x-face
1895         (file-exists-p wl-x-face-file)
1896         'wl-draft-insert-x-face-field-here) ;; allow nil
1897    mail-default-headers
1898    ;; check \n at th end of line for `mail-default-headers'
1899    'wl-draft-check-new-line
1900    ))
1901
1902 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1903   (save-excursion
1904     (if delimline
1905         (goto-char delimline)
1906       (goto-char (point-min))
1907       (if (search-forward "\n\n" nil t)
1908           (delete-backward-char 1)
1909         (goto-char (point-max))))
1910     (wl-draft-check-new-line)
1911     (put-text-property (point)
1912                        (progn
1913                          (insert mail-header-separator "\n")
1914                          (1- (point)))
1915                        'category 'mail-header-separator)
1916     (point)))
1917
1918 ;;;;;;;;;;;;;;;;
1919
1920 (defun wl-draft-elmo-nntp-send ()
1921   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1922         (elmo-nntp-default-user
1923          (or wl-nntp-posting-user elmo-nntp-default-user))
1924         (elmo-nntp-default-server
1925          (or wl-nntp-posting-server elmo-nntp-default-server))
1926         (elmo-nntp-default-port
1927          (or wl-nntp-posting-port elmo-nntp-default-port))
1928         (elmo-nntp-default-stream-type
1929          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1930         (elmo-nntp-default-function wl-nntp-posting-function)
1931         condition)
1932     (if (setq condition (cdr (elmo-string-matched-assoc
1933                               (std11-field-body "Newsgroups")
1934                               wl-nntp-posting-config-alist)))
1935         (if (stringp condition)
1936             (setq elmo-nntp-default-server condition)
1937           (while (car condition)
1938             (set (intern (format "elmo-nntp-default-%s"
1939                                  (symbol-name (caar condition))))
1940                  (cdar condition))
1941             (setq condition (cdr condition)))))
1942     (unless elmo-nntp-default-function
1943       (error "wl-draft-nntp-send: posting-function is nil"))
1944     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1945         (wl-draft-set-sent-message 'news 'unplugged
1946                                    (cons elmo-nntp-default-server
1947                                          elmo-nntp-default-port))
1948       (funcall elmo-nntp-default-function
1949                elmo-nntp-default-server (current-buffer))
1950       (wl-draft-set-sent-message 'news 'sent)
1951       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1952                               (std11-field-body "Newsgroups")
1953                               (std11-field-body "Message-ID")))))
1954
1955 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1956   "Generate clone of current buffer named NAME."
1957   (let ((editing-buffer (current-buffer)))
1958     (save-excursion
1959       (set-buffer (generate-new-buffer name))
1960       (erase-buffer)
1961       (wl-draft-mode)
1962       (wl-draft-editor-mode)
1963       (insert-buffer editing-buffer)
1964       (message "")
1965       (while local-variables
1966         (make-local-variable (car local-variables))
1967         (set (car local-variables)
1968              (save-excursion
1969                (set-buffer editing-buffer)
1970                (symbol-value (car local-variables))))
1971         (setq local-variables (cdr local-variables)))
1972       (current-buffer))))
1973
1974 (defun wl-draft-remove-text-plain-tag ()
1975   "Remove text/plain tag of mime-edit."
1976   (when (string= (mime-make-text-tag "plain")
1977                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1978     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1979
1980 (defun wl-draft-reedit (number)
1981   (let ((draft-folder (wl-draft-get-folder))
1982         (wl-draft-reedit t)
1983         (num 0)
1984         buffer change-major-mode-hook body-top)
1985     (setq buffer (get-buffer-create (format "%s/%d" wl-draft-folder
1986                                             number)))
1987     (if wl-draft-use-frame
1988         (switch-to-buffer-other-frame buffer)
1989       (switch-to-buffer buffer))
1990     (set-buffer buffer)
1991     (elmo-message-fetch draft-folder number (elmo-make-fetch-strategy 'entire)
1992                         nil (current-buffer))
1993     (elmo-delete-cr-buffer)
1994     (let ((mime-edit-again-ignored-field-regexp
1995            "^\\(Content-.*\\|Mime-Version\\):"))
1996       (wl-draft-decode-message-in-buffer))
1997     (setq body-top (wl-draft-insert-mail-header-separator))
1998     (auto-save-mode -1)
1999     (wl-draft-mode)
2000     (make-local-variable 'truncate-partial-width-windows)
2001     (setq truncate-partial-width-windows nil)
2002     (setq truncate-lines wl-draft-truncate-lines)
2003     (setq wl-sent-message-via nil)
2004     (setq wl-sent-message-queued nil)
2005     (wl-draft-config-info-operation number 'load)
2006     (goto-char (point-min))
2007     (wl-draft-overload-functions)
2008     (wl-draft-editor-mode)
2009     (static-when (boundp 'auto-save-file-name-transforms)
2010       (make-local-variable 'auto-save-file-name-transforms)
2011       (setq auto-save-file-name-transforms
2012             (cons (list (concat (regexp-quote wl-draft-folder)
2013                                 "/\\([0-9]+\\)")
2014                         (concat (expand-file-name
2015                                  "auto-save-"
2016                                  (elmo-folder-msgdb-path
2017                                   (wl-draft-get-folder)))
2018                                 "\\1"))
2019                   auto-save-file-name-transforms)))
2020     (setq buffer-file-name (buffer-name)
2021           wl-draft-parent-folder ""
2022           wl-draft-buffer-message-number number)
2023     (when wl-draft-write-file-function
2024       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2025     (wl-highlight-headers 'for-draft)
2026     (goto-char body-top)
2027     (run-hooks 'wl-draft-reedit-hook)
2028     (goto-char (point-max))
2029     buffer))
2030
2031 (defmacro wl-draft-body-goto-top ()
2032   (` (progn
2033        (goto-char (point-min))
2034        (if (re-search-forward mail-header-separator nil t)
2035            (forward-char 1)
2036          (goto-char (point-max))))))
2037
2038 (defmacro wl-draft-body-goto-bottom ()
2039   (` (goto-char (point-max))))
2040
2041 (defmacro wl-draft-config-body-goto-header ()
2042   (` (progn
2043        (goto-char (point-min))
2044        (if (re-search-forward mail-header-separator nil t)
2045            (beginning-of-line)
2046          (goto-char (point-max))))))
2047
2048 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2049   (let (content-value)
2050     (when (and content
2051                (stringp (setq content-value (eval content))))
2052       (insert content-value)
2053       (if newline (insert "\n")))))
2054
2055 (defun wl-draft-config-sub-body (content)
2056   (wl-draft-body-goto-top)
2057   (delete-region (point) (point-max))
2058   (wl-draft-config-sub-eval-insert content))
2059
2060 (defun wl-draft-config-sub-top (content)
2061   (wl-draft-body-goto-top)
2062   (wl-draft-config-sub-eval-insert content))
2063
2064 (defun wl-draft-config-sub-bottom (content)
2065   (wl-draft-body-goto-bottom)
2066   (wl-draft-config-sub-eval-insert content))
2067
2068 (defun wl-draft-config-sub-header (content)
2069   (wl-draft-config-body-goto-header)
2070   (wl-draft-config-sub-eval-insert content 'newline))
2071
2072 (defun wl-draft-config-sub-header-top (content)
2073   (goto-char (point-min))
2074   (wl-draft-config-sub-eval-insert content 'newline))
2075
2076 (defun wl-draft-config-sub-part-top (content)
2077   (goto-char (mime-edit-content-beginning))
2078   (wl-draft-config-sub-eval-insert content 'newline))
2079
2080 (defun wl-draft-config-sub-part-bottom (content)
2081   (goto-char (mime-edit-content-end))
2082   (wl-draft-config-sub-eval-insert content 'newline))
2083
2084 (defsubst wl-draft-config-sub-file (content)
2085   (let ((coding-system-for-read wl-cs-autoconv)
2086         (file (expand-file-name (eval content))))
2087     (if (file-exists-p file)
2088         (insert-file-contents file)
2089       (error "%s: no exists file" file))))
2090
2091 (defun wl-draft-config-sub-body-file (content)
2092   (wl-draft-body-goto-top)
2093   (delete-region (point) (point-max))
2094   (wl-draft-config-sub-file content))
2095
2096 (defun wl-draft-config-sub-top-file (content)
2097   (wl-draft-body-goto-top)
2098   (wl-draft-config-sub-file content))
2099
2100 (defun wl-draft-config-sub-bottom-file (content)
2101   (wl-draft-body-goto-bottom)
2102   (wl-draft-config-sub-file content))
2103
2104 (defun wl-draft-config-sub-header-file (content)
2105   (wl-draft-config-body-goto-header)
2106   (wl-draft-config-sub-file content))
2107
2108 (defun wl-draft-config-sub-template (content)
2109   (setq wl-draft-config-variables
2110         (wl-template-insert (eval content))))
2111
2112 (defun wl-draft-config-sub-x-face (content)
2113   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2114            (fboundp 'x-face-insert)) ; x-face.el is installed.
2115       (x-face-insert content)
2116     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2117
2118 (defsubst wl-draft-config-sub-func (field content)
2119   (let (func)
2120     (if (setq func (assq field wl-draft-config-sub-func-alist))
2121         (let (wl-draft-config-variables)
2122           (funcall (cdr func) content)
2123           ;; for wl-draft-config-sub-template
2124           (cons t wl-draft-config-variables)))))
2125
2126 (defsubst wl-draft-config-exec-sub (clist)
2127   (let (config local-variables)
2128     (while clist
2129       (setq config (car clist))
2130       (cond
2131        ((functionp config)
2132         (funcall config))
2133        ((consp config)
2134         (let ((field (car config))
2135               (content (cdr config))
2136               ret-val)
2137           (cond
2138            ((stringp field)
2139             (wl-draft-replace-field field (eval content) t))
2140            ((setq ret-val (wl-draft-config-sub-func field content))
2141             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2142                 (wl-append local-variables (cdr ret-val))))
2143            ((boundp field) ;; variable
2144             (make-local-variable field)
2145             (set field (eval content))
2146             (wl-append local-variables (list field)))
2147            (t
2148             (error "%s: not variable" field)))))
2149        (t
2150         (error "%s: not supported type" config)))
2151       (setq clist (cdr clist)))
2152     local-variables))
2153
2154 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2155   "Change headers in draft preparation time."
2156   (interactive)
2157   (unless wl-draft-reedit
2158     (let ((config-alist
2159            (or config-alist
2160                (and (boundp 'wl-draft-prepared-config-alist)
2161                     wl-draft-prepared-config-alist)     ;; For compatible.
2162                wl-draft-config-alist)))
2163       (if config-alist
2164           (wl-draft-config-exec config-alist reply-buf)))))
2165
2166 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2167   "Change headers according to the value of `wl-draft-config-alist'.
2168 Automatically applied in draft sending time."
2169   (interactive)
2170   (let ((case-fold-search t)
2171         (alist (or config-alist wl-draft-config-alist))
2172         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2173                                       wl-draft-reply-buffer)))
2174         (local-variables wl-draft-config-variables)
2175         key clist found)
2176     (when (and (or (interactive-p)
2177                    wl-draft-config-exec-flag)
2178                alist)
2179       (save-excursion
2180         (catch 'done
2181           (while alist
2182             (setq key (caar alist)
2183                   clist (cdar alist))
2184             (cond
2185              ((eq key 'reply)
2186               (when (and
2187                      reply-buf
2188                      (save-excursion
2189                        (set-buffer reply-buf)
2190                        (save-restriction
2191                          (std11-narrow-to-header)
2192                          (goto-char (point-min))
2193                          (re-search-forward (car clist) nil t))))
2194                 (wl-draft-config-exec-sub (cdr clist))
2195                 (setq found t)))
2196              ((stringp key)
2197               (when (save-restriction
2198                       (std11-narrow-to-header mail-header-separator)
2199                       (goto-char (point-min))
2200                       (re-search-forward key nil t))
2201                 (wl-append local-variables
2202                            (wl-draft-config-exec-sub clist))
2203                 (setq found t)))
2204              ((eval key)
2205               (wl-append local-variables
2206                          (wl-draft-config-exec-sub clist))
2207               (setq found t)))
2208             (if (and found wl-draft-config-matchone)
2209                 (throw 'done t))
2210             (setq alist (cdr alist)))))
2211       (if found
2212           (setq wl-draft-config-exec-flag nil))
2213       (run-hooks 'wl-draft-config-exec-hook)
2214       (put-text-property (point-min)(point-max) 'face nil)
2215       (wl-highlight-message (point-min)(point-max) t)
2216       (setq wl-draft-config-variables
2217             (elmo-uniq-list local-variables)))))
2218
2219 (defun wl-draft-replace-field (field content &optional add)
2220   (save-excursion
2221     (save-restriction
2222       (let ((case-fold-search t)
2223             (inhibit-read-only t) ;; added by teranisi.
2224             beg)
2225         (std11-narrow-to-header mail-header-separator)
2226         (goto-char (point-min))
2227         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2228             (if content
2229                 ;; replace field
2230                 (progn
2231                   (setq beg (point))
2232                   (re-search-forward "^[^ \t]" nil 'move)
2233                   (beginning-of-line)
2234                   (skip-chars-backward "\n")
2235                   (delete-region beg (point))
2236                   (insert " " content))
2237               ;; delete field
2238               (save-excursion
2239                 (beginning-of-line)
2240                 (setq beg (point)))
2241               (re-search-forward "^[^ \t]" nil 'move)
2242               (beginning-of-line)
2243               (delete-region beg (point)))
2244           (when (and add content)
2245             ;; add field
2246             (goto-char (point-max))
2247             (insert (concat field ": " content "\n"))))))))
2248
2249 (defun wl-draft-config-info-operation (msg operation)
2250   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2251          (filename
2252           (expand-file-name
2253            (format "%s-%d" wl-draft-config-save-filename msg)
2254            msgdb-dir))
2255          element alist variable)
2256     (cond
2257      ((eq operation 'save)
2258       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2259         (while (setq variable (pop variables))
2260           (when (boundp variable)
2261             (wl-append alist
2262                        (list (cons variable (eval variable))))))
2263         (elmo-object-save filename alist)))
2264      ((eq operation 'load)
2265       (setq alist (elmo-object-load filename))
2266       (while (setq element (pop alist))
2267         (set (make-local-variable (car element)) (cdr element))
2268         (wl-append wl-draft-config-variables (list (car element)))))
2269      ((eq operation 'delete)
2270       (if (file-exists-p filename)
2271           (delete-file filename))))))
2272
2273 (defun wl-draft-queue-info-operation (msg operation
2274                                           &optional add-sent-message-via)
2275   (let* ((msgdb-dir (elmo-folder-msgdb-path
2276                      (wl-folder-get-elmo-folder wl-queue-folder)))
2277          (filename
2278           (expand-file-name
2279            (format "%s-%d" wl-draft-queue-save-filename msg)
2280            msgdb-dir))
2281          element alist variable)
2282     (cond
2283      ((eq operation 'save)
2284       (let ((variables (elmo-uniq-list
2285                         (append wl-draft-queue-save-variables
2286                                 wl-draft-config-variables
2287                                 (list 'wl-draft-fcc-list)))))
2288         (if add-sent-message-via
2289             (progn
2290               (push 'wl-sent-message-queued variables)
2291               (push 'wl-sent-message-via variables)))
2292         (while (setq variable (pop variables))
2293           (when (boundp variable)
2294             (wl-append alist
2295                        (list (cons variable (eval variable))))))
2296         (elmo-object-save filename alist)))
2297      ((eq operation 'load)
2298       (setq alist (elmo-object-load filename))
2299       (while (setq element (pop alist))
2300         (set (make-local-variable (car element)) (cdr element))))
2301      ((eq operation 'get-sent-via)
2302       (setq alist (elmo-object-load filename))
2303       (cdr (assq 'wl-sent-message-via alist)))
2304      ((eq operation 'delete)
2305       (if (file-exists-p filename)
2306           (delete-file filename))))))
2307
2308 (defun wl-draft-queue-append (wl-sent-message-via)
2309   (if wl-draft-verbose-send
2310       (message "Queuing..."))
2311   (let ((send-buffer (current-buffer))
2312         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2313         (message-id (std11-field-body "Message-ID")))
2314     (if (elmo-folder-append-buffer folder)
2315         (progn
2316           (wl-draft-queue-info-operation
2317            (car (elmo-folder-status folder))
2318            'save wl-sent-message-via)
2319           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2320           (when wl-draft-verbose-send
2321             (setq wl-draft-verbose-msg "Queuing...")
2322             (message "Queuing...done")))
2323       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2324       (error "Queuing failed"))))
2325
2326 (defun wl-draft-queue-flush ()
2327   "Flush draft queue."
2328   (interactive)
2329   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2330          (msgs2 (progn
2331                   (elmo-folder-open-internal queue-folder)
2332                   (elmo-folder-list-messages queue-folder)))
2333          (i 0)
2334          (performed 0)
2335          (wl-draft-queue-flushing t)
2336          msgs failure len buffer msgid sent-via)
2337     ;; get plugged send message
2338     (while msgs2
2339       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2340       (catch 'found
2341         (while sent-via
2342           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2343                      (or (not (nth 2 (car sent-via)))
2344                          (elmo-plugged-p
2345                           (car (nth 2 (car sent-via)))
2346                           (cdr (nth 2 (car sent-via))))))
2347             (wl-append msgs (list (car msgs2)))
2348             (throw 'found t))
2349           (setq sent-via (cdr sent-via))))
2350       (setq msgs2 (cdr msgs2)))
2351     (when (> (setq len (length msgs)) 0)
2352       (if (elmo-y-or-n-p (format
2353                           "%d message(s) are in the sending queue.  Send now? "
2354                           len)
2355                          (not elmo-dop-flush-confirm) t)
2356           (progn
2357             (save-excursion
2358               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2359               (set-buffer buffer)
2360               (while msgs
2361                 ;; reset buffer local variables
2362                 (kill-all-local-variables)
2363                 (erase-buffer)
2364                 (setq i (+ 1 i)
2365                       failure nil)
2366                 (setq wl-sent-message-via nil)
2367                 (wl-draft-queue-info-operation (car msgs) 'load)
2368                 (elmo-message-fetch queue-folder
2369                                     (car msgs)
2370                                     (elmo-make-fetch-strategy 'entire)
2371                                     nil (current-buffer))
2372                 (condition-case err
2373                     (setq failure (funcall
2374                                    wl-draft-queue-flush-send-function
2375                                    (format "Sending (%d/%d)..." i len)))
2376 ;;;               (wl-draft-raw-send nil nil
2377 ;;;                                  (format "Sending (%d/%d)..." i len))
2378                   (error
2379                    (elmo-display-error err t)
2380                    (setq failure t))
2381                   (quit
2382                    (setq failure t)))
2383                 (if (eq wl-sent-message-modified 'requeue)
2384                     (progn
2385                       (elmo-folder-delete-messages
2386                        queue-folder (cons (car msgs) nil))
2387                       (wl-draft-queue-info-operation (car msgs) 'delete))
2388                   (unless failure
2389                     (elmo-folder-delete-messages
2390                      queue-folder (cons (car msgs) nil))
2391                     (wl-draft-queue-info-operation (car msgs) 'delete)
2392                     (setq performed (+ 1 performed))))
2393                 (setq msgs (cdr msgs)))
2394               (kill-buffer buffer)
2395               (message "%d message(s) are sent." performed)))
2396         (message "%d message(s) are remained to be sent." len))
2397       (elmo-folder-close queue-folder)
2398       len)))
2399
2400 (defun wl-jump-to-draft-buffer (&optional arg)
2401   "Jump to the draft if exists."
2402   (interactive "P")
2403   (if arg
2404       (wl-jump-to-draft-folder)
2405     (let ((draft-bufs (wl-collect-draft))
2406           buf)
2407       (cond
2408        ((null draft-bufs)
2409         (message "No draft buffer exist."))
2410        (t
2411         (setq draft-bufs
2412               (sort (mapcar 'buffer-name draft-bufs)
2413                     (function (lambda (a b)
2414                                 (not (string< a b))))))
2415         (if (setq buf (cdr (member (buffer-name)
2416                                    draft-bufs)))
2417             (setq buf (car buf))
2418           (setq buf (car draft-bufs)))
2419         (switch-to-buffer buf))))))
2420
2421 (defun wl-jump-to-draft-folder ()
2422   (let ((msgs (reverse (elmo-folder-list-messages (wl-draft-get-folder))))
2423         (mybuf (buffer-name))
2424         msg buf)
2425     (if (not msgs)
2426         (message "No draft message exist.")
2427       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2428           (setq msg (cadr (memq
2429                            (string-to-int (substring mybuf (match-end 0)))
2430                            msgs))))
2431       (or msg (setq msg (car msgs)))
2432       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2433           (switch-to-buffer buf)
2434         (wl-draft-reedit msg)))))
2435
2436 (defun wl-draft-highlight-and-recenter (&optional n)
2437   (interactive "P")
2438   (when wl-highlight-body-too
2439     (let ((modified (buffer-modified-p)))
2440       (unwind-protect
2441           (progn
2442             (put-text-property (point-min) (point-max) 'face nil)
2443             (wl-highlight-message (point-min) (point-max) t))
2444         (set-buffer-modified-p modified))))
2445   (static-when (featurep 'xemacs)
2446     ;; Cope with one of many XEmacs bugs that `recenter' takes
2447     ;; a long time if there are a lot of invisible text lines.
2448     (redraw-frame))
2449   (recenter n))
2450
2451 ;; insert element from history
2452 (defvar wl-draft-current-history-position nil)
2453 (defvar wl-draft-history-backup-word "")
2454
2455 (defun wl-draft-previous-history-element (n)
2456   (interactive "p")
2457   (let (bol history beg end prev new)
2458     (when (and (not (wl-draft-on-field-p))
2459                (< (point)
2460                   (save-excursion
2461                     (goto-char (point-min))
2462                     (search-forward (concat "\n" mail-header-separator "\n") nil 0)
2463                     (point)))
2464                (save-excursion
2465                  (beginning-of-line)
2466                  (while (and (looking-at "^[ \t]")
2467                              (not (= (point) (point-min))))
2468                    (forward-line -1))
2469                  (cond
2470                   ((looking-at wl-folder-complete-header-regexp)
2471                    (and (boundp 'wl-read-folder-history)
2472                         (setq history wl-read-folder-history)))
2473                   ;; ((looking-at wl-address-complete-header-regexp)
2474                   ;;  (setq history .....))
2475                   (t
2476                    nil)))
2477                (eolp))
2478       (setq bol (save-excursion (beginning-of-line) (point)))
2479       (cond ((and (or (eq last-command 'wl-draft-previous-history-element)
2480                       (eq last-command 'wl-draft-next-history-element))
2481                   wl-draft-current-history-position)
2482              (setq end (point))
2483              (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2484                  (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2485                  (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t))
2486              (setq prev (match-string 1))
2487              (goto-char (match-beginning 1))
2488              (setq beg (point))
2489              (if (cond ((< n 0)
2490                         (>= (+ n wl-draft-current-history-position) 0))
2491                        ((> n 0)
2492                         (<= (+ n wl-draft-current-history-position)
2493                             (length history))))
2494                  (progn
2495                    (setq wl-draft-current-history-position
2496                          (+ n wl-draft-current-history-position))
2497                    (setq new
2498                          (nth wl-draft-current-history-position
2499                               (append (list wl-draft-history-backup-word)
2500                                       history)))
2501                    (delete-region beg end)
2502                    (insert new))
2503                (goto-char end)
2504                (cond ((< n 0)
2505                       (message "End of history; no next item"))
2506                      ((> n 0)
2507                       (message "Beginning of history; no preceding item")))))
2508             ((and (> n 0)
2509                   (save-excursion
2510                     (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2511                         (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2512                         (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t)))
2513                   (car history))
2514              (setq wl-draft-current-history-position 1)
2515              (setq wl-draft-history-backup-word (match-string 1))
2516              (delete-region (match-beginning 1) (match-end 1))
2517              (insert (car history)))
2518             (t
2519              (setq wl-draft-current-history-position nil))))))
2520
2521 (defun wl-draft-next-history-element (n)
2522   (interactive "p")
2523   (wl-draft-previous-history-element (- n)))
2524
2525 ;;;; user-agent support by Sen Nagata
2526
2527 ;; this appears to be necessarily global...
2528 (defvar wl-user-agent-compose-p nil)
2529 (defvar wl-user-agent-headers-and-body-alist nil)
2530
2531 ;; this should be a generic function for mail-mode -- i wish there was
2532 ;; something like it in sendmail.el
2533 (defun wl-user-agent-insert-header (header-name header-value)
2534   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2535   ;; it seems like overriding existing headers is acceptable -- should
2536   ;; we provide an option?
2537
2538   ;; plan was: unfold header (might be folded), remove existing value, insert
2539   ;;           new value
2540   ;; wl doesn't seem to fold header lines yet anyway :-)
2541
2542   (let ((kill-whole-line t)
2543         end-of-line)
2544     (mail-position-on-field (capitalize header-name))
2545     (setq end-of-line (point))
2546     (beginning-of-line)
2547     (re-search-forward ":" end-of-line)
2548     (insert (concat " " header-value "\n"))
2549     (kill-line)))
2550
2551 ;; this should be a generic function for mail-mode -- i wish there was
2552 ;; something like it in sendmail.el
2553 ;;
2554 ;; ** haven't dealt w/ case where the body is already set **
2555 (defun wl-user-agent-insert-body (body-text)
2556   "Insert a body of text, BODY-TEXT, into a message."
2557   ;; code defensively... :-P
2558   (goto-char (point-min))
2559   (search-forward mail-header-separator)
2560   (forward-line 1)
2561   (insert body-text))
2562
2563 ;;;###autoload
2564 (defun wl-user-agent-compose (&optional to subject other-headers continue
2565                                         switch-function yank-action
2566                                         send-actions)
2567   "Support the `compose-mail' interface for wl.
2568 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2569 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2570 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2571
2572   (unless (featurep 'wl)
2573     (require 'wl))
2574   (or switch-function
2575       (setq switch-function 'keep))
2576   ;; protect these -- to and subject get bound at some point, so it looks
2577   ;; to be necessary to protect the values used w/in
2578   (let ((wl-user-agent-headers-and-body-alist other-headers)
2579         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2580         (wl-draft-buffer-style switch-function))
2581     (if to
2582         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2583                                    'ignore-case)
2584             (setcdr
2585              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2586                                     'ignore-case)
2587              to)
2588           (setq wl-user-agent-headers-and-body-alist
2589                 (cons (cons "to" to)
2590                       wl-user-agent-headers-and-body-alist))))
2591     (if subject
2592         (if (wl-string-match-assoc "subject"
2593                                    wl-user-agent-headers-and-body-alist
2594                                    'ignore-case)
2595             (setcdr
2596              (wl-string-match-assoc "subject"
2597                                     wl-user-agent-headers-and-body-alist
2598                                     'ignore-case)
2599              subject)
2600           (setq wl-user-agent-headers-and-body-alist
2601                 (cons (cons "subject" subject)
2602                       wl-user-agent-headers-and-body-alist))))
2603     ;; i think this is what we want to use...
2604     (unwind-protect
2605         (progn
2606           ;; tell the hook-function to do its stuff
2607           (setq wl-user-agent-compose-p t)
2608           ;; because to get the hooks working, wl-draft has to think it has
2609           ;; been called interactively
2610           (call-interactively 'wl-draft))
2611       (setq wl-user-agent-compose-p nil))))
2612
2613 (defun wl-user-agent-compose-internal ()
2614   "Manipulate headers and/or a body of a draft message."
2615   ;; being called from wl-user-agent-compose?
2616   (if wl-user-agent-compose-p
2617       (progn
2618         ;; insert headers
2619         (let ((headers wl-user-agent-headers-and-body-alist)
2620               (case-fold-search t))
2621           (while headers
2622             ;; skip body
2623             (if (not (string-match "^body$" (car (car headers))))
2624                 (wl-user-agent-insert-header
2625                  (car (car headers)) (cdr (car headers)))
2626               t)
2627             (setq headers (cdr headers))))
2628         ;; highlight headers (from wl-draft in wl-draft.el)
2629         (wl-highlight-headers 'for-draft)
2630         ;; insert body
2631         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2632                                    'ignore-case)
2633             (wl-user-agent-insert-body
2634              (cdr (wl-string-match-assoc
2635                    "body"
2636                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2637     t))
2638
2639 (defun wl-draft-setup-parent-flag (flag)
2640   "Setup a FLAG for parent message."
2641   (when (and (> (length wl-draft-parent-folder) 0)
2642              wl-draft-parent-number)
2643     (setq wl-draft-parent-flag flag)
2644     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)))
2645
2646 (require 'product)
2647 (product-provide (provide 'wl-draft) (require 'wl-version))
2648
2649 ;;; wl-draft.el ends here