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     (setq subject (wl-draft-forward-make-subject original-subject))
 282     (with-current-buffer (wl-message-get-original-buffer)
 283       (setq references (nconc
 284                         (std11-field-bodies '("References" "In-Reply-To"))
 285                         (list (std11-field-body "Message-Id"))))
 286       (setq references (delq nil references)
 287             references (mapconcat 'identity references " ")
 288             references (wl-draft-parse-msg-id-list-string references)
 289             references (wl-delete-duplicates references)
 290             references (when references
 291                          (mapconcat 'identity references "\n\t"))))
 292     (and wl-draft-use-frame
 293          (get-buffer-window summary-buf)
 294          (select-window (get-buffer-window summary-buf)))
 295     (wl-draft (list (cons 'To "")
 296                     (cons 'Subject subject)
 297                     (cons 'References references))
 298               nil nil nil nil parent-folder))
 299   (setq wl-draft-parent-number number)
 300   (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
 301   (goto-char (point-max))
 302   (wl-draft-insert-message)
 303   (mail-position-on-field "To")
 304   (setq wl-draft-config-variables
 305         (append wl-draft-parent-variables
 306                 wl-draft-config-variables))
 307   (run-hooks 'wl-draft-forward-hook))
 308
 309 (defun wl-draft-self-reply-p ()
 310   "Return t when From address in the current message is user's self one or not."
 311   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
 312
 313 (defun wl-draft-reply (buf with-arg summary-buf &optional number)
 314   "Reply to BUF buffer message.
 315 Reply to author if WITH-ARG is non-nil."
 316 ;;;(save-excursion
 317   (let (r-list
 318         to mail-followup-to cc subject in-reply-to references newsgroups
 319         to-alist cc-alist decoder parent-folder)
 320     (when (buffer-live-p summary-buf)
 321       (with-current-buffer summary-buf
 322         (setq parent-folder (wl-summary-buffer-folder-name))))
 323     (set-buffer (or buf mime-mother-buffer))
 324     (setq r-list (if with-arg wl-draft-reply-with-argument-list
 325                    wl-draft-reply-without-argument-list))
 326     (catch 'done
 327       (while r-list
 328         (when (let ((condition (car (car r-list))))
 329                 (cond ((stringp condition)
 330                        (std11-field-body condition))
 331                       ((listp condition)
 332                        (catch 'done
 333                          (while condition
 334                            (cond
 335                             ((stringp (car condition))
 336                              (or (std11-field-body (car condition))
 337                                  (throw 'done nil)))
 338                             ((symbolp (car condition))
 339                              (or (funcall (car condition))
 340                                  (throw 'done nil)))
 341                             (t
 342                              (debug)))
 343                            (setq condition (cdr condition)))
 344                          t))
 345                       ((symbolp condition)
 346                        (funcall condition))))
 347           (let ((r-to-list (nth 0 (cdr (car r-list))))
 348                 (r-cc-list (nth 1 (cdr (car r-list))))
 349                 (r-ng-list (nth 2 (cdr (car r-list)))))
 350             (when (and (member "Followup-To" r-ng-list)
 351                        (string= (std11-field-body "Followup-To") "poster"))
 352               (setq r-to-list (cons "From" r-to-list))
 353               (setq r-ng-list (delete "Followup-To"
 354                                       (copy-sequence r-ng-list))))
 355             (if (and r-to-list (symbolp r-to-list))
 356                 (setq to (wl-concat-list (funcall r-to-list) ","))
 357               (setq to (wl-concat-list (cons to
 358                                              (elmo-multiple-fields-body-list
 359                                               r-to-list))
 360                                        ",")))
 361             (if (and r-cc-list (symbolp r-cc-list))
 362                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 363               (setq cc (wl-concat-list (cons cc
 364                                              (elmo-multiple-fields-body-list
 365                                               r-cc-list))
 366                                        ",")))
 367             (if (and r-ng-list (symbolp r-ng-list))
 368                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 369               (setq newsgroups (wl-concat-list (cons newsgroups
 370                                                      (std11-field-bodies
 371                                                       r-ng-list))
 372                                                ","))))
 373           (throw 'done nil))
 374         (setq r-list (cdr r-list)))
 375       (error "No match field: check your `wl-draft-reply-%s-argument-list'"
 376              (if with-arg "with" "without")))
 377     (setq subject (std11-field-body "Subject"))
 378     (setq to (wl-parse-addresses to)
 379           cc (wl-parse-addresses cc))
 380     (with-temp-buffer                   ; to keep raw buffer unibyte.
 381       (set-buffer-multibyte default-enable-multibyte-characters)
 382       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 383       (setq subject (wl-draft-reply-make-subject
 384                      (if (and subject decoder)
 385                          (funcall decoder subject) subject)))
 386       (setq to-alist
 387             (mapcar
 388              (lambda (addr)
 389                (setq decoder (mime-find-field-decoder 'To 'plain))
 390                (cons (nth 1 (std11-extract-address-components addr))
 391                      (if decoder (funcall decoder addr) addr)))
 392              to))
 393       (setq cc-alist
 394             (mapcar
 395              (lambda (addr)
 396                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 397                (cons (nth 1 (std11-extract-address-components addr))
 398                      (if decoder (funcall decoder addr) addr)))
 399              cc)))
 400     (setq in-reply-to (std11-field-body "Message-Id"))
 401     (setq references (nconc
 402                       (std11-field-bodies '("References" "In-Reply-To"))
 403                       (list in-reply-to)))
 404     (setq to (delq nil (mapcar 'car to-alist)))
 405     (setq cc (delq nil (mapcar 'car cc-alist)))
 406     ;; if subscribed mailing list is contained in cc or to
 407     ;; and myself is contained in cc,
 408     ;; delete myself from cc.
 409     (setq cc (wl-draft-delete-myself-from-cc to cc))
 410     (when wl-insert-mail-followup-to
 411       (setq mail-followup-to
 412             (wl-draft-make-mail-followup-to (append to cc)))
 413       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 414     (with-temp-buffer                   ; to keep raw buffer unibyte.
 415       (set-buffer-multibyte default-enable-multibyte-characters)
 416       (setq newsgroups (wl-parse newsgroups
 417                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 418             newsgroups (wl-delete-duplicates newsgroups)
 419             newsgroups
 420             (if newsgroups
 421                 (mapconcat
 422                  (lambda (grp)
 423                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 424                    (if decoder (funcall decoder grp) grp))
 425                  newsgroups ","))))
 426     (setq to (wl-delete-duplicates to nil t))
 427     (setq cc (wl-delete-duplicates
 428               (append (wl-delete-duplicates cc nil t)
 429                       to (copy-sequence to))
 430               t t))
 431     (and to (setq to (mapconcat
 432                       '(lambda (addr)
 433                          (if wl-draft-reply-use-address-with-full-name
 434                              (or (cdr (assoc addr to-alist)) addr)
 435                            addr))
 436                       to ",\n\t")))
 437     (and cc (setq cc (mapconcat
 438                       '(lambda (addr)
 439                          (if wl-draft-reply-use-address-with-full-name
 440                              (or (cdr (assoc addr cc-alist)) addr)
 441                            addr))
 442                       cc ",\n\t")))
 443     (and mail-followup-to
 444          (setq mail-followup-to
 445                (mapconcat
 446                 '(lambda (addr)
 447                    (if wl-draft-reply-use-address-with-full-name
 448                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 449                      addr))
 450                 mail-followup-to ",\n\t")))
 451     (and (null to) (setq to cc cc nil))
 452     (setq references (delq nil references)
 453           references (mapconcat 'identity references " ")
 454           references (wl-draft-parse-msg-id-list-string references)
 455           references (wl-delete-duplicates references)
 456           references (if references
 457                          (mapconcat 'identity references "\n\t")))
 458     (and wl-draft-use-frame
 459          (get-buffer-window summary-buf)
 460          (select-window (get-buffer-window summary-buf)))
 461     (wl-draft (list (cons 'To to)
 462                     (cons 'Cc cc)
 463                     (cons 'Newsgroups newsgroups)
 464                     (cons 'Subject subject)
 465                     (cons 'In-Reply-To in-reply-to)
 466                     (cons 'References references)
 467                     (cons 'Mail-Followup-To mail-followup-to))
 468               nil nil nil nil parent-folder)
 469     (setq wl-draft-parent-number number)
 470     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
 471     (setq wl-draft-reply-buffer buf)
 472     (setq wl-draft-config-variables
 473           (append wl-draft-parent-variables
 474                   wl-draft-config-variables)))
 475   (run-hooks 'wl-draft-reply-hook))
 476
 477 (defun wl-draft-reply-position (position)
 478   (cond ((eq position 'body)
 479          (wl-draft-body-goto-top))
 480         ((eq position 'bottom)
 481          (wl-draft-body-goto-bottom))
 482         ((eq position 'top)
 483          (goto-char (point-min)))
 484         ((and (stringp position)
 485               (std11-field-body position))
 486          (progn (mail-position-on-field position)
 487                 (wl-draft-beginning-of-line)))
 488         ((listp position)
 489          (while (car position)
 490            (wl-draft-reply-position (car position))
 491            (setq position (cdr position))))))
 492
 493 (defun wl-draft-add-references ()
 494   (wl-draft-add-in-reply-to "References"))
 495
 496 (defun wl-draft-add-in-reply-to (&optional alt-field)
 497   (let* ((mes-id (save-excursion
 498                    (set-buffer mail-reply-buffer)
 499                    (std11-field-body "message-id")))
 500          (field (or alt-field "In-Reply-To"))
 501          (ref (std11-field-body field))
 502          (ref-list nil) (st nil))
 503     (when (and mes-id ref)
 504       (while (string-match "<[^>]+>" ref st)
 505         (setq ref-list
 506               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 507                     ref-list)))
 508       (when (and ref-list
 509                  (member mes-id ref-list))
 510         (setq mes-id nil)))
 511     (when mes-id
 512       (save-excursion
 513         (when (mail-position-on-field field)
 514           (forward-line)
 515           (while (looking-at "^[ \t]")
 516             (forward-line))
 517           (setq mes-id (concat "\t" mes-id "\n")))
 518         (insert mes-id))
 519       t)))
 520
 521 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 522                                              &optional ignored-fields)
 523   (interactive)
 524   (save-restriction
 525     (narrow-to-region (point)(point))
 526     (insert
 527      (string-as-multibyte
 528       (with-current-buffer mail-reply-buffer
 529         (when decode-it
 530           (decode-mime-charset-region (point-min) (point-max)
 531                                       wl-mime-charset))
 532         (buffer-substring-no-properties
 533          (point-min) (point-max)))))
 534     (when ignored-fields
 535       (goto-char (point-min))
 536       (wl-draft-delete-fields ignored-fields))
 537     (goto-char (point-max))
 538     (push-mark (point) nil t)
 539     (goto-char (point-min)))
 540   (let ((beg (point)))
 541     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 542           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 543           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 544     (run-hooks 'wl-draft-cited-hook)
 545     (when (if wl-draft-add-references
 546               (wl-draft-add-references)
 547             (if wl-draft-add-in-reply-to
 548                 (wl-draft-add-in-reply-to)))
 549       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 550     (when wl-highlight-body-too
 551       (wl-highlight-body-region beg (point-max)))))
 552
 553 (defun wl-message-news-p ()
 554   "If exist valid Newsgroups field, return non-nil."
 555   (std11-field-body "Newsgroups"))
 556
 557 (defun wl-message-field-exists-p (field)
 558   "If FIELD exist and FIELD value is not empty, return non-nil."
 559   (let ((value (std11-field-body field)))
 560     (and value
 561          (not (string= value "")))))
 562
 563 (defun wl-message-mail-p ()
 564   "If exist To, Cc or Bcc field, return non-nil."
 565   (or (wl-message-field-exists-p "To")
 566       (wl-message-field-exists-p "Resent-to")
 567       (wl-message-field-exists-p "Cc")
 568       (wl-message-field-exists-p "Bcc")
 569       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 570 ;;; This may be needed..
 571 ;;;   (wl-message-field-exists-p "Fcc")
 572       ))
 573
 574 (defun wl-draft-edit-string (string)
 575   (let ((cur-buf (current-buffer))
 576         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 577         to subject in-reply-to cc references newsgroups mail-followup-to
 578         content-type content-transfer-encoding from
 579         body-beg)
 580     (set-buffer tmp-buf)
 581     (erase-buffer)
 582     (insert string)
 583     (setq to (std11-field-body "To"))
 584     (setq to (and to
 585                   (eword-decode-string
 586                    (decode-mime-charset-string
 587                     to
 588                     wl-mime-charset))))
 589     (setq subject (std11-field-body "Subject"))
 590     (setq subject (and subject
 591                        (eword-decode-string
 592                         (decode-mime-charset-string
 593                          subject
 594                          wl-mime-charset))))
 595     (setq from (std11-field-body "From")
 596           from (and from
 597                     (eword-decode-string
 598                      (decode-mime-charset-string
 599                       from
 600                       wl-mime-charset))))
 601     (setq in-reply-to (std11-field-body "In-Reply-To"))
 602     (setq cc (std11-field-body "Cc"))
 603     (setq cc (and cc
 604                   (eword-decode-string
 605                    (decode-mime-charset-string
 606                     cc
 607                     wl-mime-charset))))
 608     (setq references (std11-field-body "References"))
 609     (setq newsgroups (std11-field-body "Newsgroups"))
 610     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 611     (setq content-type (std11-field-body "Content-Type"))
 612     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 613     (goto-char (point-min))
 614     (or (re-search-forward "\n\n" nil t)
 615         (search-forward (concat mail-header-separator "\n") nil t))
 616     (unwind-protect
 617         (set-buffer
 618          (wl-draft (list
 619                     (cons 'From
 620                           (if (wl-address-user-mail-address-p from) from))
 621                     (cons 'To to)
 622                     (cons 'Cc cc)
 623                     (cons 'Subject subject)
 624                     (cons 'Newsgroups newsgroups)
 625                     (cons 'Mail-Followup-To mail-followup-to)
 626                     (cons 'In-Reply-To in-reply-to)
 627                     (cons 'References references))
 628                    content-type content-transfer-encoding
 629                    (buffer-substring (point) (point-max))
 630                    'edit-again))
 631       (kill-buffer tmp-buf))
 632     ;; Set cursor point to the top.
 633     (goto-char (point-min))
 634     (search-forward (concat mail-header-separator "\n") nil t)
 635     (run-hooks 'wl-draft-reedit-hook)
 636     (and to (mail-position-on-field "To"))))
 637
 638 (defun wl-draft-insert-current-message (dummy)
 639   (interactive)
 640   (let (original-buffer
 641         mail-reply-buffer
 642         mail-citation-hook mail-yank-hooks
 643         wl-draft-add-references wl-draft-add-in-reply-to
 644         wl-draft-cite-function)
 645     (if (and wl-draft-buffer-cur-summary-buffer
 646              (with-current-buffer wl-draft-buffer-cur-summary-buffer
 647                (and wl-message-buffer
 648                     (with-current-buffer wl-message-buffer
 649                       (setq original-buffer (wl-message-get-original-buffer))
 650                       (not (zerop (with-current-buffer original-buffer
 651                                     (buffer-size))))))))
 652         (progn
 653           (setq mail-reply-buffer original-buffer)
 654           (wl-draft-yank-from-mail-reply-buffer
 655            nil
 656            wl-ignored-forwarded-headers))
 657       (when (string= (mime-make-tag "message" "rfc822")
 658                      (buffer-substring-no-properties (point-at-bol 0)(point-at-eol 0)))
 659         (delete-region (point-at-bol 0) (1+ (point-at-eol 0))))
 660       (error "No current message"))))
 661
 662 (defun wl-draft-insert-get-message (dummy)
 663   (let ((fld (completing-read
 664               "Folder name: "
 665               (if (memq 'read-folder wl-use-folder-petname)
 666                   (wl-folder-get-entity-with-petname)
 667                 wl-folder-entity-hashtb)
 668               nil nil wl-default-spec
 669               'wl-read-folder-history))
 670         (number (call-interactively
 671                  (function (lambda (num)
 672                              (interactive "nNumber: ")
 673                              num))))
 674         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 675         mail-citation-hook mail-yank-hooks
 676         wl-draft-cite-function)
 677     (unwind-protect
 678         (progn
 679           (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 680                               number
 681                               ;; No cache.
 682                               (elmo-make-fetch-strategy 'entire)
 683                               nil mail-reply-buffer)
 684           (wl-draft-yank-from-mail-reply-buffer nil))
 685       (kill-buffer mail-reply-buffer))))
 686
 687 ;;
 688 ;; default body citation func
 689 ;;
 690 (defun wl-default-draft-cite ()
 691   (let ((mail-yank-ignored-headers "[^:]+:")
 692         (mail-yank-prefix "> ")
 693         date from cite-title)
 694     (save-restriction
 695       (if (< (mark t) (point))
 696           (exchange-point-and-mark))
 697       (narrow-to-region (point)(point-max))
 698       (setq date (std11-field-body "date")
 699             from (std11-field-body "from")))
 700     (when (or date from)
 701       (insert (format "At %s,\n%s wrote:\n"
 702                       (or date "some time ago")
 703                       (if wl-default-draft-cite-decorate-author
 704                           (funcall wl-summary-from-function
 705                                    (or from "you"))
 706                         (or from "you")))))
 707     (mail-indent-citation)))
 708
 709 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 710 (defun wl-draft-yank-to-draft-buffer (buffer)
 711   "Yank BUFFER content to `wl-draft-buffer'."
 712   (set-buffer wl-draft-buffer)
 713   (let ((mail-reply-buffer buffer))
 714     (wl-draft-yank-from-mail-reply-buffer nil)
 715     (kill-buffer buffer)))
 716
 717 (defun wl-draft-yank-original (&optional arg)
 718   "Yank original message."
 719   (interactive "P")
 720   (if arg
 721       (let (buf mail-reply-buffer)
 722         (elmo-set-work-buf
 723          (insert "\n")
 724          (yank)
 725          (setq buf (current-buffer)))
 726         (setq mail-reply-buffer buf)
 727         (wl-draft-yank-from-mail-reply-buffer nil))
 728     (wl-draft-yank-current-message-entity)))
 729
 730 (defun wl-draft-hide (editing-buffer)
 731   "Hide the editing draft buffer if possible."
 732   (when (and editing-buffer
 733              (buffer-live-p editing-buffer)
 734              (get-buffer-window editing-buffer))
 735     (select-window (get-buffer-window editing-buffer))
 736     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 737           fld-buf sum-win fld-win)
 738       (if (and wl-draft-use-frame
 739                (> (length (visible-frame-list)) 1))
 740           ;; hide draft frame
 741           (delete-frame)
 742         ;; hide draft window
 743         (or (one-window-p)
 744             (delete-window))
 745         ;; stay folder window if required
 746         (when wl-stay-folder-window
 747           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 748               (if (setq fld-win (get-buffer-window fld-buf))
 749                   (select-window fld-win)
 750                 (if wl-draft-resume-folder-window ;; resume folder window
 751                     (switch-to-buffer fld-buf)))))
 752         (if (buffer-live-p sum-buf)
 753             (if (setq sum-win (get-buffer-window sum-buf t))
 754                 ;; if Summary is on the frame, select it.
 755                 (select-window sum-win)
 756               ;; if summary is not on the frame, switch to it.
 757               (if (and wl-stay-folder-window
 758                        (or wl-draft-resume-folder-window fld-win))
 759                   (wl-folder-select-buffer sum-buf)
 760                 (switch-to-buffer sum-buf))))))))
 761
 762 (defun wl-draft-delete (editing-buffer)
 763   "Kill the editing draft buffer and delete the file corresponds to it."
 764   (save-excursion
 765     (when editing-buffer
 766       (set-buffer editing-buffer)
 767       (when wl-draft-buffer-message-number
 768         (elmo-folder-delete-messages (wl-draft-get-folder)
 769                                      (list
 770                                       wl-draft-buffer-message-number))
 771         (wl-draft-config-info-operation wl-draft-buffer-message-number
 772                                         'delete))
 773       (set-buffer-modified-p nil)               ; force kill
 774       (kill-buffer editing-buffer))))
 775
 776 (defun wl-draft-kill (&optional force-kill)
 777   "Kill current draft buffer and quit editing."
 778   (interactive "P")
 779   (save-excursion
 780     (when (and (or (eq major-mode 'wl-draft-mode)
 781                    (eq major-mode 'mail-mode))
 782                (or force-kill
 783                    (yes-or-no-p "Kill Current Draft? ")))
 784       (let ((cur-buf (current-buffer)))
 785         (run-hooks 'wl-draft-kill-pre-hook)
 786         (wl-draft-hide cur-buf)
 787         (wl-draft-delete cur-buf)))
 788     (message "")))
 789
 790 (defun wl-draft-fcc ()
 791   "Add a new Fcc field, with file name completion."
 792   (interactive)
 793   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 794       (mail-position-on-field "to"))
 795   (insert "\nFcc: "))
 796
 797 ;; Imported from message.el.
 798 (defun wl-draft-elide-region (b e)
 799   "Elide the text in the region.
 800 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 801 text was killed."
 802   (interactive "r")
 803   (kill-region b e)
 804   (insert wl-draft-elide-ellipsis))
 805
 806 ;; Imported from message.el.
 807 (defun wl-draft-beginning-of-line (&optional n)
 808   "Move point to beginning of header value or to beginning of line."
 809   (interactive "p")
 810   (let ((zrs 'zmacs-region-stays))
 811     (when (and (interactive-p) (boundp zrs))
 812       (set zrs t)))
 813   (if (wl-draft-point-in-header-p)
 814       (let* ((here (point))
 815              (bol (progn (beginning-of-line n) (point)))
 816              (eol (line-end-position))
 817              (eoh (and (looking-at "[^ \t]")
 818                        (re-search-forward ": *" eol t))))
 819         (if (and eoh (or (> here eoh) (= here bol)))
 820             (goto-char eoh)
 821           (goto-char bol)))
 822     (beginning-of-line n)))
 823
 824 (defun wl-draft-point-in-header-p ()
 825   "Return t if point is in the header."
 826   (save-excursion
 827     (let ((p (point)))
 828       (goto-char (point-min))
 829       (not (re-search-forward
 830             (concat "^" (regexp-quote mail-header-separator) "\n")
 831             p t)))))
 832
 833 ;; function for wl-sent-message-via
 834
 835 (defmacro wl-draft-sent-message-p (type)
 836   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 837
 838 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 839   (` (let ((element (assq (, type) wl-sent-message-via)))
 840        (if element
 841            (unless (eq (nth 1 element) (, result))
 842              (setcdr element (list (, result) (, server-port)))
 843              (setq wl-sent-message-modified t))
 844          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 845          (setq wl-sent-message-modified t)))))
 846
 847 (defun wl-draft-sent-message-results ()
 848   (let ((results wl-sent-message-via)
 849         unplugged-via sent-via)
 850     (while results
 851       (cond ((eq (nth 1 (car results)) 'unplugged)
 852              (push (caar results) unplugged-via))
 853             ((eq (nth 1 (car results)) 'sent)
 854              (push (caar results) sent-via)))
 855       (setq results (cdr results)))
 856     (list unplugged-via sent-via)))
 857
 858 (defun wl-draft-write-sendlog (status proto server to id)
 859   "Write send log file, if `wl-draft-sendlog' is non-nil."
 860   (when wl-draft-sendlog
 861     (with-temp-buffer
 862       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 863                                          elmo-msgdb-directory))
 864              (filesize (nth 7 (file-attributes filename)))
 865              (server (if server (concat " server=" server) ""))
 866              (to (if to (cond
 867                          ((memq proto '(fcc queue))
 868                           (format " folder=\"%s\"" to))
 869                          ((eq proto 'nntp)
 870                           (format " ng=<%s>" to))
 871                          (t
 872                           (concat " to="
 873                                   (mapconcat
 874                                    'identity
 875                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 876                                    ","))))
 877                    ""))
 878              (id (if id (concat " id=" id) ""))
 879              (time (format-time-string "%Y/%m/%d %T")))
 880         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 881                         time proto status server to id))
 882         (if (and wl-draft-sendlog-max-size filesize
 883                  (> filesize wl-draft-sendlog-max-size))
 884             (rename-file filename (concat filename ".old") t))
 885         (if (file-writable-p filename)
 886             (write-region-as-binary (point-min) (point-max)
 887                                     filename t 'no-msg)
 888           (message "%s is not writable." filename))))))
 889
 890 (defun wl-draft-get-header-delimiter (&optional delete)
 891   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 892   (let (delimline)
 893     (goto-char (point-min))
 894     (when (re-search-forward
 895            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 896       (replace-match "")
 897       (if delete
 898           (forward-char -1))
 899       (setq delimline (point-marker)))
 900     delimline))
 901
 902 (defun wl-draft-send-mail-with-qmail ()
 903   "Pass the prepared message buffer to qmail-inject.
 904 Refer to the documentation for the variable `send-mail-function'
 905 to find out how to use this."
 906   (if (and wl-draft-qmail-send-plugged
 907            (not (elmo-plugged-p)))
 908       (wl-draft-set-sent-message 'mail 'unplugged)
 909     ;; send the message
 910     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 911     (let ((id (std11-field-body "Message-ID"))
 912           (to (std11-field-body "To")))
 913       (case
 914           (as-binary-process
 915            (apply
 916             'call-process-region 1 (point-max) wl-qmail-inject-program
 917             nil nil nil
 918             wl-qmail-inject-args))
 919         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 920         ;; we have to look at the retval instead
 921         (0   (progn
 922                (wl-draft-set-sent-message 'mail 'sent)
 923                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 924         (1   (error "`qmail-inject' reported permanent failure"))
 925         (111 (error "`qmail-inject' reported transient failure"))
 926         ;; should never happen
 927         (t   (error "`qmail-inject' reported unknown failure"))))))
 928
 929 (defun wl-draft-parse-msg-id-list-string (string)
 930   "Get msg-id list from STRING."
 931   (let (msg-id-list)
 932     (dolist (parsed-id (std11-parse-msg-ids-string string))
 933       (when (eq (car parsed-id) 'msg-id)
 934         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 935                                 msg-id-list))))
 936     (nreverse msg-id-list)))
 937
 938 (defun wl-draft-eword-encode-address-list (string &optional column)
 939   "Encode header field STRING as list of address, and return the result.
 940 Cause an error when STRING contains invalid address.
 941 Optional argument COLUMN is start-position of the field."
 942   (car (eword-encode-rword-list
 943         (or column eword-encode-default-start-column)
 944         (eword-encode-addresses-to-rword-list
 945          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 946
 947 (defun wl-draft-std11-parse-addresses (lal)
 948   (let ((ret (std11-parse-address lal)))
 949     (when (and (not (and (eq (length lal) 1)
 950                          (eq (car (car lal)) 'spaces)))
 951                (null ret))
 952       (error "Error while parsing address"))
 953     (if ret
 954         (let ((dest (list (car ret))))
 955           (setq lal (cdr ret))
 956           (while (and (setq ret (std11-parse-ascii-token lal))
 957                       (string-equal (cdr (assq 'specials (car ret))) ",")
 958                       (setq ret (std11-parse-address (cdr ret)))
 959                       )
 960             (setq dest (cons (car ret) dest))
 961             (setq lal (cdr ret)))
 962           (while (eq 'spaces (car (car lal)))
 963             (setq lal (cdr lal)))
 964           (if lal (error "Error while parsing address"))
 965           (nreverse dest)))))
 966
 967 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 968   "Get mailbox list of FIELD from current buffer.
 969 The buffer is expected to be narrowed to just the headers of the message.
 970 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 971 from current buffer."
 972   (save-excursion
 973     (let ((case-fold-search t)
 974           (inhibit-read-only t)
 975           addresses address
 976           mailbox-list beg seq has-group-list)
 977       (goto-char (point-min))
 978       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 979                                 nil t)
 980         (setq beg (point))
 981         (re-search-forward "^[^ \t]" nil 'move)
 982         (beginning-of-line)
 983         (skip-chars-backward "\n")
 984         (setq seq (std11-lexical-analyze
 985                    (buffer-substring-no-properties beg (point))))
 986         (setq addresses (wl-draft-std11-parse-addresses seq))
 987         (while addresses
 988           (cond ((eq (car (car addresses)) 'group)
 989                  (setq has-group-list t)
 990                  (setq mailbox-list
 991                        (nconc mailbox-list
 992                               (mapcar
 993                                'std11-address-string
 994                                (nth 2 (car addresses))))))
 995                 ((eq (car (car addresses)) 'mailbox)
 996                  (setq address (nth 1 (car addresses)))
 997                  (setq mailbox-list
 998                        (nconc mailbox-list
 999                               (list
1000                                (std11-addr-to-string
1001                                 (if (eq (car address) 'phrase-route-addr)
1002                                     (nth 2 address)
1003                                   (cdr address))))))))
1004           (setq addresses (cdr addresses)))
1005         (when (and remove-group-list has-group-list)
1006           (delete-region beg (point))
1007           (insert (wl-address-string-without-group-list-contents seq))))
1008       mailbox-list)))
1009
1010 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1011   "Get address list suitable for smtp RCPT TO:<address>.
1012 Group list content is removed if `wl-draft-remove-group-list-contents' is
1013 non-nil."
1014   (let ((fields (if (and wl-draft-doing-mime-bcc
1015                          wl-draft-disable-bcc-for-mime-bcc)
1016                     '("to" "cc")
1017                   '("to" "cc" "bcc")))
1018         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1019         (case-fold-search t)
1020         addrs recipients)
1021     (save-excursion
1022       (save-restriction
1023         (narrow-to-region header-start header-end)
1024         (goto-char (point-min))
1025         (save-excursion
1026           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1027               (setq fields resent-fields)))
1028         (while fields
1029           (setq recipients
1030                 (nconc recipients
1031                        (wl-draft-parse-mailbox-list
1032                         (car fields)
1033                         wl-draft-remove-group-list-contents)))
1034           (setq fields (cdr fields)))
1035         recipients))))
1036
1037 ;;
1038 ;; from Semi-gnus
1039 ;;
1040 (defun wl-draft-send-mail-with-smtp ()
1041   "Send the prepared message buffer with SMTP."
1042   (require 'smtp)
1043   (let* ((errbuf (if mail-interactive
1044                      (generate-new-buffer " smtp errors")
1045                    0))
1046          (case-fold-search t)
1047          (default-case-fold-search t)
1048          (sender (or wl-envelope-from
1049                      (wl-address-header-extract-address wl-from)))
1050          (delimline (save-excursion
1051                       (goto-char (point-min))
1052                       (re-search-forward
1053                        (concat "^" (regexp-quote mail-header-separator)
1054                                "$\\|^$") nil t)
1055                       (point-marker)))
1056          (smtp-server
1057           (or wl-smtp-posting-server smtp-server "localhost"))
1058          (smtp-service (or wl-smtp-posting-port smtp-service))
1059          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1060          (id (std11-field-body "message-id"))
1061          recipients)
1062     (if (not (elmo-plugged-p smtp-server smtp-service))
1063         (wl-draft-set-sent-message 'mail 'unplugged
1064                                    (cons smtp-server smtp-service))
1065       (unwind-protect
1066           (save-excursion
1067             ;; Instead of `smtp-deduce-address-list'.
1068             (setq recipients (wl-draft-deduce-address-list
1069                               (current-buffer) (point-min) delimline))
1070             (unless recipients (error "No recipients"))
1071             ;; Insert an extra newline if we need it to work around
1072             ;; Sun's bug that swallows newlines.
1073             (goto-char (1+ delimline))
1074             (if (eval mail-mailer-swallows-blank-line)
1075                 (newline))
1076             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1077             (if mail-interactive
1078                 (save-excursion
1079                   (set-buffer errbuf)
1080                   (erase-buffer)))
1081             (wl-draft-delete-field "bcc" delimline)
1082             (wl-draft-delete-field "resent-bcc" delimline)
1083             (let (process-connection-type)
1084               (as-binary-process
1085                (when recipients
1086                  (wl-smtp-extension-bind
1087                   (condition-case err
1088                       (smtp-send-buffer sender recipients (current-buffer))
1089                     (error
1090                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1091                                              recipients id)
1092                      (if (and (eq (car err) 'smtp-response-error)
1093                               (= (nth 1 err) 535))
1094                          (elmo-remove-passwd
1095                           (wl-smtp-password-key
1096                            smtp-sasl-user-name
1097                            (car smtp-sasl-mechanisms)
1098                            smtp-server)))
1099                      (signal (car err) (cdr err)))
1100                     (quit
1101                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1102                                              recipients id)
1103                      (signal (car err) (cdr err)))))
1104                  (wl-draft-set-sent-message 'mail 'sent)
1105                  (wl-draft-write-sendlog
1106                   'ok 'smtp smtp-server recipients id)))))
1107         (if (bufferp errbuf)
1108             (kill-buffer errbuf))))))
1109
1110 (defun wl-draft-send-mail-with-pop-before-smtp ()
1111   "Send the prepared message buffer with POP-before-SMTP."
1112   (require 'elmo-pop3)
1113   (let ((folder
1114          (luna-make-entity
1115           'elmo-pop3-folder
1116           :user   (or wl-pop-before-smtp-user
1117                       elmo-pop3-default-user)
1118           :server (or wl-pop-before-smtp-server
1119                       elmo-pop3-default-server)
1120           :port   (or wl-pop-before-smtp-port
1121                       elmo-pop3-default-port)
1122           :auth   (or wl-pop-before-smtp-authenticate-type
1123                       elmo-pop3-default-authenticate-type)
1124           :stream-type (elmo-get-network-stream-type
1125                         (or wl-pop-before-smtp-stream-type
1126                             elmo-pop3-default-stream-type))))
1127         session)
1128     (condition-case error
1129         (progn
1130           (setq session (elmo-pop3-get-session folder))
1131           (when session (elmo-network-close-session session)))
1132       (error
1133        (unless (string= (nth 1 error) "Unplugged")
1134          (signal (car error) (cdr error))))))
1135   (wl-draft-send-mail-with-smtp))
1136
1137 (defun wl-draft-insert-required-fields (&optional force-msgid)
1138   "Insert Message-ID, Date, and From field.
1139 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1140   ;; Insert Message-Id field...
1141   (goto-char (point-min))
1142   (when (and (or force-msgid
1143                  wl-insert-message-id)
1144              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1145     (insert (concat "Message-ID: "
1146                     (funcall wl-message-id-function)
1147                     "\n")))
1148   ;; Insert date field.
1149   (goto-char (point-min))
1150   (or (re-search-forward "^Date[ \t]*:" nil t)
1151       (wl-draft-insert-date-field))
1152   ;; Insert from field.
1153   (goto-char (point-min))
1154   (or (re-search-forward "^From[ \t]*:" nil t)
1155       (wl-draft-insert-from-field)))
1156
1157 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1158   "Send the message in the current buffer."
1159   (save-restriction
1160     (narrow-to-region (goto-char (point-min))
1161                       (if (re-search-forward
1162                            (concat
1163                             "^" (regexp-quote mail-header-separator) "$")
1164                            nil t)
1165                           (match-beginning 0)
1166                         (point-max)))
1167     (wl-draft-insert-required-fields)
1168     ;; ignore any blank lines in the header
1169     (while (progn (goto-char (point-min))
1170                   (re-search-forward "\n[ \t]*\n\n*" nil t))
1171       (replace-match "\n"))
1172     (goto-char (point-min))
1173     (while (re-search-forward
1174             "^[^ \t\n:]+:[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n"
1175             nil t)
1176       (when (string= "" (match-string 1))
1177         (replace-match ""))))
1178 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1179   (wl-draft-dispatch-message)
1180   (when kill-when-done
1181     ;; hide editing-buffer.
1182     (wl-draft-hide editing-buffer)
1183     ;; delete editing-buffer and its file.
1184     (wl-draft-delete editing-buffer)))
1185
1186 (defun wl-draft-dispatch-message (&optional mes-string)
1187   "Send the message in the current buffer.  Not modified the header fields."
1188   (let (delimline mime-bcc)
1189     (if (and wl-draft-verbose-send mes-string)
1190         (message "%s" mes-string))
1191     ;; get fcc folders.
1192     (setq delimline (wl-draft-get-header-delimiter t))
1193     (unless wl-draft-fcc-list
1194       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1195     ;;
1196     (setq wl-sent-message-modified nil)
1197     (unwind-protect
1198         (progn
1199           (if (and (wl-message-mail-p)
1200                    (not (wl-draft-sent-message-p 'mail)))
1201               (if (or (not (or wl-draft-force-queuing
1202                                wl-draft-force-queuing-mail))
1203                       (memq 'mail wl-sent-message-queued))
1204                   (progn
1205                     (setq mime-bcc (wl-draft-mime-bcc-field))
1206                     (funcall wl-draft-send-mail-function)
1207                     (when (not (zerop (length mime-bcc)))
1208                       (wl-draft-do-mime-bcc mime-bcc)))
1209                 (push 'mail wl-sent-message-queued)
1210                 (wl-draft-set-sent-message 'mail 'unplugged)))
1211           (if (and (wl-message-news-p)
1212                    (not (wl-draft-sent-message-p 'news))
1213                    (not (wl-message-field-exists-p "Resent-to")))
1214               (if (or (not (or wl-draft-force-queuing
1215                                wl-draft-force-queuing-news))
1216                       (memq 'news wl-sent-message-queued))
1217                   (funcall wl-draft-send-news-function)
1218                 (push 'news wl-sent-message-queued)
1219                 (wl-draft-set-sent-message 'news 'unplugged))))
1220       (let* ((status (wl-draft-sent-message-results))
1221              (unplugged-via (car status))
1222              (sent-via (nth 1 status)))
1223         ;; If one sent, process fcc folder.
1224         (if (and sent-via wl-draft-fcc-list)
1225             (progn
1226               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1227                                wl-draft-fcc-list)
1228               (setq wl-draft-fcc-list nil)))
1229         (if wl-draft-use-cache
1230             (let ((id (std11-field-body "Message-ID"))
1231                   (elmo-enable-disconnected-operation t))
1232               (elmo-file-cache-save (elmo-file-cache-get-path id)
1233                                     nil)))
1234         ;; If one unplugged, append queue.
1235         (when (and unplugged-via
1236                    wl-sent-message-modified)
1237           (if wl-draft-enable-queuing
1238               (progn
1239                 (wl-draft-queue-append wl-sent-message-via)
1240                 (setq wl-sent-message-modified 'requeue))
1241             (error "Unplugged")))
1242         (when wl-draft-verbose-send
1243           (if (and unplugged-via sent-via);; combined message
1244               (progn
1245                 (setq wl-draft-verbose-msg
1246                       (format "Sending%s and Queuing%s..."
1247                               sent-via unplugged-via))
1248                 (message "%sdone" wl-draft-verbose-msg))
1249             (if mes-string
1250                 (message "%s%s"
1251                          mes-string
1252                          (if sent-via "done" "failed"))))))))
1253   (not wl-sent-message-modified)) ;; return value
1254
1255 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1256   "Force send current buffer as raw message."
1257   (interactive)
1258   (save-excursion
1259     (let (wl-interactive-send
1260 ;;;       wl-draft-verbose-send
1261           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1262           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1263           mail-send-hook
1264           mail-send-actions)
1265       (wl-draft-send kill-when-done mes-string))))
1266
1267 (defun wl-draft-clone-local-variables ()
1268   (let ((locals (buffer-local-variables))
1269         result)
1270     (while locals
1271       (when (and (consp (car locals))
1272                  (car (car locals))
1273                  (string-match wl-draft-clone-local-variable-regexp
1274                                (symbol-name (car (car locals)))))
1275         (wl-append result (list (car (car locals)))))
1276       (setq locals (cdr locals)))
1277     result))
1278
1279 (defcustom wl-draft-send-confirm-with-preview t
1280   "Non-nil to invoke preview through confirmation of sending.
1281 This variable is valid when `wl-interactive-send' has non-nil value."
1282   :type 'boolean
1283   :group 'wl-draft)
1284
1285 (defun wl-draft-send-confirm ()
1286   (let (answer)
1287     (unwind-protect
1288         (condition-case quit
1289             (progn
1290               (when wl-draft-send-confirm-with-preview
1291                 (wl-draft-preview-message))
1292               (save-excursion
1293                 (goto-char (point-min)) ; to show recipients in header
1294                 (catch 'done
1295                   (while t
1296                     (discard-input)
1297                     (message "Send current draft? <y/n/j(down)/k(up)> ")
1298                     (setq answer (let ((cursor-in-echo-area t)) (read-char)))
1299                     (cond
1300                      ((or (eq answer ?y)
1301                           (eq answer ?Y)
1302                           (eq answer ? ))
1303                   (throw 'done t))
1304                      ((or (eq answer ?v)
1305                           (eq answer ?j)
1306                           (eq answer ?J))
1307                       (condition-case err
1308                           (scroll-up)
1309                         (error nil)))
1310                      ((or (eq answer ?^)
1311                           (eq answer ?k)
1312                           (eq answer ?K))
1313                       (condition-case err
1314                           (scroll-down)
1315                         (error nil)))
1316                      (t
1317                       (throw 'done nil)))))))
1318           (quit nil))
1319       (when wl-draft-send-confirm-with-preview
1320         (mime-preview-quit)))))
1321
1322 (defun wl-draft-send (&optional kill-when-done mes-string)
1323   "Send current draft message.
1324 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1325   (interactive)
1326   ;; Don't call this explicitly.
1327   ;; Added to 'wl-draft-send-hook (by teranisi)
1328   ;; (wl-draft-config-exec)
1329   (run-hooks 'wl-draft-send-hook)
1330   (when (or (not wl-interactive-send)
1331             (wl-draft-send-confirm))
1332     (let ((send-mail-function 'wl-draft-raw-send)
1333           (editing-buffer (current-buffer))
1334           (sending-buffer (wl-draft-generate-clone-buffer
1335                            " *wl-draft-sending-buffer*"
1336                            (append wl-draft-config-variables
1337                                    (wl-draft-clone-local-variables))))
1338           (wl-draft-verbose-msg nil)
1339           err)
1340       (unwind-protect
1341           (save-excursion
1342             (set-buffer sending-buffer)
1343             (if (and (not (wl-message-mail-p))
1344                      (not (wl-message-news-p)))
1345                 (error "No recipient is specified"))
1346             (expand-abbrev)             ; for mail-abbrevs
1347             (let ((mime-header-encode-method-alist
1348                    (append
1349                     '((wl-draft-eword-encode-address-list
1350                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1351                     (if (boundp 'mime-header-encode-method-alist)
1352                         (symbol-value 'mime-header-encode-method-alist)))))
1353               (run-hooks 'mail-send-hook) ; translate buffer
1354               )
1355             ;;
1356             (if wl-draft-verbose-send
1357                 (message "%s" (or mes-string "Sending...")))
1358             (funcall wl-draft-send-function editing-buffer kill-when-done)
1359             ;; Now perform actions on successful sending.
1360             (while mail-send-actions
1361               (condition-case ()
1362                   (apply (car (car mail-send-actions))
1363                          (cdr (car mail-send-actions)))
1364                 (error))
1365               (setq mail-send-actions (cdr mail-send-actions)))
1366             (if wl-draft-verbose-send
1367                 (message "%sdone"
1368                          (or wl-draft-verbose-msg
1369                              mes-string
1370                              "Sending...")))
1371             (with-current-buffer sending-buffer
1372               (when (and wl-draft-parent-flag
1373                          wl-draft-parent-number
1374                          wl-draft-parent-folder
1375                 (wl-draft-set-flag-on-parent wl-draft-parent-flag)))))
1376         ;; kill sending buffer, anyway.
1377         (and (buffer-live-p sending-buffer)
1378              (kill-buffer sending-buffer))))))
1379
1380 (defun wl-draft-mime-bcc-field ()
1381   "Return the MIME-Bcc field body.  The field is deleted."
1382   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1383     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1384
1385 (defun wl-draft-do-mime-bcc (field-body)
1386   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1387   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1388                                            'From))
1389         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1390                                                "")
1391                                            'Subject))
1392         (recipients (wl-parse-addresses field-body))
1393         (draft-buffer (current-buffer))
1394         wl-draft-use-frame)
1395     (save-window-excursion
1396       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1397                  (not (zerop (length field-body))))
1398         (let ((wl-draft-doing-mime-bcc t))
1399           (dolist (recipient recipients)
1400             (wl-draft-create-buffer)
1401             (wl-draft-create-contents
1402              (append `((From . ,orig-from)
1403                        (To . ,recipient)
1404                        (Subject . ,(concat "A blind carbon copy ("
1405                                            orig-subj
1406                                            ")")))
1407                      (wl-draft-default-headers)))
1408             (wl-draft-insert-mail-header-separator)
1409             (wl-draft-prepare-edit)
1410             (goto-char (point-max))
1411             (insert (or wl-draft-mime-bcc-body
1412                         "This is a blind carbon copy.")
1413                     "\n")
1414             (mime-edit-insert-tag "message" "rfc822")
1415             (insert-buffer draft-buffer)
1416             (let (wl-interactive-send)
1417               (wl-draft-send 'kill-when-done))))))))
1418
1419 (defun wl-draft-save ()
1420   "Save current draft."
1421   (interactive)
1422   (if (buffer-modified-p)
1423       (progn
1424         (message "Saving...")
1425         (let ((msg (buffer-substring-no-properties (point-min) (point-max)))
1426               next-number)
1427           (when wl-draft-buffer-message-number
1428             (elmo-folder-delete-messages (wl-draft-get-folder)
1429                                          (list wl-draft-buffer-message-number))
1430             (wl-draft-config-info-operation wl-draft-buffer-message-number
1431                                             'delete))
1432           (elmo-folder-check (wl-draft-get-folder))
1433           ;; If no header separator, insert it.
1434           (with-temp-buffer
1435             (insert msg)
1436             (goto-char (point-min))
1437             (unless (re-search-forward
1438                      (concat "^" (regexp-quote mail-header-separator) "$")
1439                      nil t)
1440               (goto-char (point-min))
1441               (if (re-search-forward "\n\n" nil t)
1442                   (replace-match (concat "\n" mail-header-separator "\n"))
1443                 (goto-char (point-max))
1444                 (insert (if (eq (char-before) ?\n) "" "\n")
1445                         mail-header-separator "\n")))
1446             (let ((mime-header-encode-method-alist
1447                    (append
1448                     '((eword-encode-unstructured-field-body
1449                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1450                     (if (boundp 'mime-header-encode-method-alist)
1451                         (symbol-value 'mime-header-encode-method-alist)))))
1452               (mime-edit-translate-buffer))
1453             (wl-draft-get-header-delimiter t)
1454             (setq next-number
1455                   (elmo-folder-next-message-number (wl-draft-get-folder)))
1456             (elmo-folder-append-buffer (wl-draft-get-folder)))
1457           (elmo-folder-check (wl-draft-get-folder))
1458           (elmo-folder-commit (wl-draft-get-folder))
1459           (setq wl-draft-buffer-message-number next-number)
1460           (rename-buffer (format "%s/%d" wl-draft-folder next-number))
1461           (setq buffer-file-name (buffer-name))
1462           (set-buffer-modified-p nil)
1463           (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
1464           (message "Saving...done")))
1465     (message "(No changes need to be saved)")))
1466
1467 (defun wl-draft-mimic-kill-buffer ()
1468   "Kill the current (draft) buffer with query."
1469   (interactive)
1470   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1471                                       (buffer-name))))
1472         wl-draft-use-frame)
1473     (if (or (not bufname)
1474             (string-equal bufname "")
1475             (string-equal bufname (buffer-name)))
1476         (let ((bufname (current-buffer)))
1477           (when (or (not (buffer-modified-p))
1478                     (yes-or-no-p
1479                      (format "Buffer %s modified; kill anyway? " bufname)))
1480             (set-buffer-modified-p nil)
1481             (wl-draft-hide bufname)
1482             (kill-buffer bufname)))
1483       (kill-buffer bufname))))
1484
1485 (defun wl-draft-save-and-exit ()
1486   "Save current draft and exit current draft mode."
1487   (interactive)
1488   (wl-draft-save)
1489   (let ((editing-buffer (current-buffer)))
1490     (wl-draft-hide editing-buffer)
1491     (kill-buffer editing-buffer)))
1492
1493 (defun wl-draft-send-and-exit ()
1494   "Send current draft message and kill it."
1495   (interactive)
1496   (wl-draft-send t))
1497
1498 (defun wl-draft-send-from-toolbar ()
1499   (interactive)
1500   (let ((wl-interactive-send t))
1501     (wl-draft-send-and-exit)))
1502
1503 (defun wl-draft-delete-field (field &optional delimline replace)
1504   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1505
1506 (defun wl-draft-delete-fields (field &optional delimline replace)
1507   (save-restriction
1508     (unless delimline
1509       (goto-char (point-min))
1510       (if (search-forward "\n\n" nil t)
1511           (setq delimline (point))
1512         (setq delimline (point-max))))
1513     (narrow-to-region (point-min) delimline)
1514     (goto-char (point-min))
1515     (let ((regexp (concat "^" field ":"))
1516           (case-fold-search t))
1517       (while (not (eobp))
1518         (if (looking-at regexp)
1519             (progn
1520               (delete-region
1521                (point)
1522                (progn
1523                  (forward-line 1)
1524                  (if (re-search-forward "^[^ \t]" nil t)
1525                      (goto-char (match-beginning 0))
1526                    (point-max))))
1527               (if replace
1528                   (insert (concat field ": " replace "\n"))))
1529           (forward-line 1)
1530           (if (re-search-forward "^[^ \t]" nil t)
1531               (goto-char (match-beginning 0))
1532             (point-max)))))))
1533
1534 (defun wl-draft-get-fcc-list (header-end)
1535   (if (and wl-draft-doing-mime-bcc
1536            wl-draft-disable-fcc-for-mime-bcc)
1537       (progn
1538         (wl-draft-delete-field "fcc")
1539         nil)
1540     (let (fcc-list
1541           (case-fold-search t))
1542       (or (markerp header-end) (error "HEADER-END must be a marker"))
1543       (save-excursion
1544         (goto-char (point-min))
1545         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1546           (save-match-data
1547             (setq fcc-list
1548                   (append fcc-list
1549                           (split-string
1550                            (buffer-substring-no-properties
1551                             (point)
1552                             (progn
1553                               (end-of-line)
1554                               (skip-chars-backward " \t")
1555                               (point)))
1556                            ",[ \t]*")))
1557             (dolist (folder fcc-list)
1558               (wl-folder-confirm-existence
1559                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1560           (delete-region (match-beginning 0)
1561                          (progn (forward-line 1) (point)))))
1562       fcc-list)))
1563
1564 (defcustom wl-draft-fcc-append-read-folder-history t
1565   "Non-nil to append fcc'ed folder to `wl-read-folder-history'."
1566   :type 'boolean
1567   :group 'wl-draft)
1568
1569 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1570   (let ((send-mail-buffer (current-buffer))
1571         (tembuf (generate-new-buffer " fcc output"))
1572         (case-fold-search t)
1573         beg end)
1574     (or (markerp header-end) (error "HEADER-END must be a marker"))
1575     (save-excursion
1576       (unless fcc-list
1577         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1578       (set-buffer tembuf)
1579       (erase-buffer)
1580       ;; insert just the headers to avoid moving the gap more than
1581       ;; necessary (the message body could be arbitrarily huge.)
1582       (insert-buffer-substring send-mail-buffer 1 header-end)
1583       (wl-draft-insert-required-fields t)
1584       (goto-char (point-max))
1585       (insert-buffer-substring send-mail-buffer header-end)
1586       (let ((id (std11-field-body "Message-ID"))
1587             (elmo-enable-disconnected-operation t)
1588             cache-saved)
1589         (while fcc-list
1590           (unless (or cache-saved
1591                       (elmo-folder-plugged-p
1592                        (wl-folder-get-elmo-folder (car fcc-list))))
1593             (elmo-file-cache-save id nil) ;; for disconnected operation
1594             (setq cache-saved t))
1595           (if (elmo-folder-append-buffer
1596                (wl-folder-get-elmo-folder
1597                 (eword-decode-string (car fcc-list)))
1598                (and wl-fcc-force-as-read '(read)))
1599               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1600             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1601           (if (and wl-draft-fcc-append-read-folder-history
1602                    (boundp 'wl-read-folder-history))
1603               (or (equal (car fcc-list) (car wl-read-folder-history))
1604                   (setq wl-read-folder-history
1605                         (append (list (car fcc-list)) wl-read-folder-history))))
1606           (setq fcc-list (cdr fcc-list)))))
1607     (kill-buffer tembuf)))
1608
1609 (defun wl-draft-on-field-p ()
1610   (if (< (point)
1611          (save-excursion
1612            (goto-char (point-min))
1613            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1614            (point)))
1615       (if (bolp)
1616           (if (bobp)
1617               t
1618             (save-excursion
1619               (forward-line -1)
1620               (if (or (looking-at ".*,[ \t]?$")
1621                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1622                   nil t)))
1623         (let ((pos (point)))
1624           (save-excursion
1625             (beginning-of-line)
1626             (if (looking-at "^[ \t]")
1627                 nil
1628               (if (re-search-forward ":" pos t) nil t)))))))
1629
1630 ;;;;;;;;;;;;;;;;
1631 ;;;###autoload
1632 (defun wl-draft (&optional header-alist
1633                            content-type content-transfer-encoding
1634                            body edit-again
1635                            parent-folder)
1636   "Write and send mail/news message with Wanderlust."
1637   (interactive)
1638   (require 'wl)
1639   (unless wl-init
1640     (wl-load-profile)
1641     (wl-folder-init)
1642     (elmo-init)
1643     (wl-plugged-init t))
1644   (let (wl-demo)
1645     (wl-init)) ; returns immediately if already initialized.
1646
1647
1648   (let (buffer header-alist-internal)
1649     (setq buffer (wl-draft-create-buffer parent-folder))
1650     (unless (cdr (assq 'From header-alist))
1651       (setq header-alist
1652             (append (list (cons 'From wl-from)) header-alist)))
1653     (unless (cdr (assq 'To header-alist))
1654       (let ((to))
1655         (when (setq to (and
1656                         (interactive-p)
1657                         ""))
1658           (if (assq 'To header-alist)
1659               (setcdr (assq 'To header-alist) to)
1660             (setq header-alist
1661                   (append header-alist
1662                           (list (cons 'To to))))))))
1663     (unless (cdr (assq 'Subject header-alist))
1664       (if (assq 'Subject header-alist)
1665           (setcdr (assq 'Subject header-alist) "")
1666         (setq header-alist
1667               (append header-alist (list (cons 'Subject ""))))))
1668     (setq header-alist (append header-alist
1669                                (wl-draft-default-headers)
1670                                wl-draft-additional-header-alist
1671                                (if body (list "" (cons 'Body body)))))
1672     (wl-draft-create-contents header-alist)
1673     (if edit-again
1674         (wl-draft-decode-body
1675          content-type content-transfer-encoding))
1676     (wl-draft-insert-mail-header-separator)
1677     (wl-draft-prepare-edit)
1678     (if (interactive-p)
1679         (run-hooks 'wl-mail-setup-hook))
1680     (goto-char (point-min))
1681     (setq buffer-undo-list nil)
1682     (wl-user-agent-compose-internal) ;; user-agent
1683     (cond ((and
1684             (interactive-p)
1685             (string= (cdr (assq 'To header-alist)) ""))
1686            (mail-position-on-field "To"))
1687           (t
1688            (goto-char (point-max))))
1689     buffer))
1690
1691 (defun wl-draft-create-buffer (&optional parent-folder)
1692   (let* ((draft-folder (wl-draft-get-folder))
1693          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1694          (summary-buf (wl-summary-get-buffer parent-folder))
1695          (reply-or-forward
1696           (or (eq this-command 'wl-summary-reply)
1697               (eq this-command 'wl-summary-reply-with-citation)
1698               (eq this-command 'wl-summary-forward)
1699               (eq this-command 'wl-summary-target-mark-forward)
1700               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1701          (buffer (generate-new-buffer "*draft*")) ; Just for initial name.
1702          change-major-mode-hook)
1703     (set-buffer buffer)
1704     ;; switch-buffer according to draft buffer style.
1705     (if wl-draft-use-frame
1706         (switch-to-buffer-other-frame buffer)
1707       (if reply-or-forward
1708           (case wl-draft-reply-buffer-style
1709             (split
1710              (split-window-vertically)
1711              (other-window 1)
1712              (switch-to-buffer buffer))
1713             (keep
1714              (switch-to-buffer buffer))
1715             (full
1716              (delete-other-windows)
1717              (switch-to-buffer buffer))
1718             (t
1719              (if (functionp wl-draft-reply-buffer-style)
1720                  (funcall wl-draft-reply-buffer-style buffer)
1721                (error "Invalid value for wl-draft-reply-buffer-style"))))
1722         (case wl-draft-buffer-style
1723           (split
1724            (when (eq major-mode 'wl-summary-mode)
1725              (wl-summary-toggle-disp-msg 'off))
1726            (split-window-vertically)
1727            (other-window 1)
1728            (switch-to-buffer buffer))
1729           (keep
1730            (switch-to-buffer buffer))
1731           (full
1732            (delete-other-windows)
1733            (switch-to-buffer buffer))
1734           (t (if (functionp wl-draft-buffer-style)
1735                  (funcall wl-draft-buffer-style buffer)
1736                (error "Invalid value for wl-draft-buffer-style"))))))
1737     (auto-save-mode -1)
1738     (wl-draft-mode)
1739     (set-buffer-multibyte t)            ; draft buffer is always multibyte.
1740     (make-local-variable 'truncate-partial-width-windows)
1741     (setq truncate-partial-width-windows nil)
1742     (setq truncate-lines wl-draft-truncate-lines)
1743     (setq wl-sent-message-via nil)
1744     (setq wl-sent-message-queued nil)
1745     (setq wl-draft-config-exec-flag t)
1746     (setq wl-draft-parent-folder (or parent-folder ""))
1747     (or (eq this-command 'wl-folder-write-current-folder)
1748         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1749     buffer))
1750
1751 (defun wl-draft-create-contents (header-alist)
1752   "header-alist' sample
1753 '(function  ;; funcall
1754   string    ;; insert string
1755   (symbol . string)    ;;  insert symbol-value: string
1756   (symbol . function)  ;;  (funcall) and if it returns string,
1757                        ;;  insert symbol-value: string
1758   (symbol . nil)       ;;  do nothing
1759   nil                  ;;  do nothing
1760   )"
1761   (unless (eq major-mode 'wl-draft-mode)
1762     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1763   (let ((halist header-alist)
1764         field value)
1765     (while halist
1766       (cond
1767        ;; function
1768        ((functionp (car halist)) (funcall (car halist)))
1769        ;; string
1770        ((stringp (car halist)) (insert (car halist) "\n"))
1771        ;; cons
1772        ((consp (car halist))
1773         (setq field (car (car halist)))
1774         (setq value (cdr (car halist)))
1775         (cond
1776          ((symbolp field)
1777           (cond
1778            ((eq field 'Body) ; body
1779             (insert value))
1780            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1781            ((functionp value)
1782             (let ((value-return (funcall value)))
1783               (when (stringp value-return)
1784                 (insert (symbol-name field) ": " value-return "\n"))))
1785            ((not value))
1786            (t
1787             (debug))))
1788          ;;
1789          ((not field))
1790          (t
1791           (debug))
1792          )))
1793       (setq halist (cdr halist)))))
1794
1795 (defun wl-draft-prepare-edit ()
1796   (unless (eq major-mode 'wl-draft-mode)
1797     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1798   (let (change-major-mode-hook)
1799     (wl-draft-editor-mode)
1800     (static-when (boundp 'auto-save-file-name-transforms)
1801       (make-local-variable 'auto-save-file-name-transforms)
1802       (setq auto-save-file-name-transforms
1803             (cons (list (concat (regexp-quote wl-draft-folder)
1804                                 "/\\([0-9]+\\)")
1805                         (concat (expand-file-name
1806                                  "auto-save-"
1807                                  (elmo-folder-msgdb-path
1808                                   (wl-draft-get-folder)))
1809                                 "\\1"))
1810                   auto-save-file-name-transforms)))
1811     (when wl-draft-write-file-function
1812       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1813     (wl-draft-overload-functions)
1814     (wl-highlight-headers 'for-draft)
1815     (wl-draft-save)
1816     (clear-visited-file-modtime)))
1817
1818 (defun wl-draft-decode-header ()
1819   (save-excursion
1820     (std11-narrow-to-header)
1821     (wl-draft-decode-message-in-buffer)
1822     (widen)))
1823
1824 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1825   (let ((content-type
1826          (or content-type
1827                 (std11-field-body "content-type")))
1828         (content-transfer-encoding
1829          (or content-transfer-encoding
1830              (std11-field-body "content-transfer-encoding")))
1831         delimline)
1832     (save-excursion
1833       (std11-narrow-to-header)
1834       (wl-draft-delete-field "content-type")
1835       (wl-draft-delete-field "content-transfer-encoding")
1836       (goto-char (point-max))
1837       (setq delimline (point-marker))
1838       (widen)
1839       (narrow-to-region delimline (point-max))
1840       (goto-char (point-min))
1841       (when content-type
1842         (insert "Content-type: " content-type "\n"))
1843       (when content-transfer-encoding
1844         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1845       (wl-draft-decode-message-in-buffer)
1846       (goto-char (point-min))
1847       (unless (re-search-forward "^$" (point-at-eol) t)
1848         (insert "\n"))
1849       (widen)
1850       delimline)))
1851
1852 ;;; subroutine for wl-draft-create-contents
1853 ;;; must be used in wl-draft-mode
1854 (defun wl-draft-check-new-line ()
1855   (if (not (= (preceding-char) ?\n))
1856       (insert ?\n)))
1857
1858 (defsubst wl-draft-trim-ccs (cc)
1859   (let ((field
1860          (if (functionp cc)
1861              (funcall cc)
1862            cc)))
1863     (if (and field
1864              (null (and wl-draft-delete-myself-from-bcc-fcc
1865                         (elmo-list-member
1866                          (mapcar 'wl-address-header-extract-address
1867                                  (append
1868                                   (wl-parse-addresses (std11-field-body "To"))
1869                                   (wl-parse-addresses (std11-field-body "Cc"))))
1870                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1871         field
1872       nil)))
1873
1874 (defsubst wl-draft-default-headers ()
1875   (list
1876    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1877                              (wl-address-header-extract-address
1878                               wl-from)))
1879    (cons 'User-Agent wl-generate-mailer-string-function)
1880    (cons 'Reply-To mail-default-reply-to)
1881    (cons 'Bcc (function
1882                (lambda ()
1883                  (wl-draft-trim-ccs
1884                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1885    (cons 'Fcc (function
1886                (lambda ()
1887                  (wl-draft-trim-ccs wl-fcc))))
1888    (cons 'Organization wl-organization)
1889    (and wl-auto-insert-x-face
1890         (file-exists-p wl-x-face-file)
1891         'wl-draft-insert-x-face-field-here) ;; allow nil
1892    mail-default-headers
1893    ;; check \n at th end of line for `mail-default-headers'
1894    'wl-draft-check-new-line
1895    ))
1896
1897 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1898   (save-excursion
1899     (if delimline
1900         (goto-char delimline)
1901       (goto-char (point-min))
1902       (if (search-forward "\n\n" nil t)
1903           (delete-backward-char 1)
1904         (goto-char (point-max))))
1905     (wl-draft-check-new-line)
1906     (put-text-property (point)
1907                        (progn
1908                          (insert mail-header-separator "\n")
1909                          (1- (point)))
1910                        'category 'mail-header-separator)
1911     (point)))
1912
1913 ;;;;;;;;;;;;;;;;
1914
1915 (defun wl-draft-elmo-nntp-send ()
1916   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1917         (elmo-nntp-default-user
1918          (or wl-nntp-posting-user elmo-nntp-default-user))
1919         (elmo-nntp-default-server
1920          (or wl-nntp-posting-server elmo-nntp-default-server))
1921         (elmo-nntp-default-port
1922          (or wl-nntp-posting-port elmo-nntp-default-port))
1923         (elmo-nntp-default-stream-type
1924          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1925         (elmo-nntp-default-function wl-nntp-posting-function)
1926         condition)
1927     (if (setq condition (cdr (elmo-string-matched-assoc
1928                               (std11-field-body "Newsgroups")
1929                               wl-nntp-posting-config-alist)))
1930         (if (stringp condition)
1931             (setq elmo-nntp-default-server condition)
1932           (while (car condition)
1933             (set (intern (format "elmo-nntp-default-%s"
1934                                  (symbol-name (caar condition))))
1935                  (cdar condition))
1936             (setq condition (cdr condition)))))
1937     (unless elmo-nntp-default-function
1938       (error "wl-draft-nntp-send: posting-function is nil"))
1939     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1940         (wl-draft-set-sent-message 'news 'unplugged
1941                                    (cons elmo-nntp-default-server
1942                                          elmo-nntp-default-port))
1943       (funcall elmo-nntp-default-function
1944                elmo-nntp-default-server (current-buffer))
1945       (wl-draft-set-sent-message 'news 'sent)
1946       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1947                               (std11-field-body "Newsgroups")
1948                               (std11-field-body "Message-ID")))))
1949
1950 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1951   "Generate clone of current buffer named NAME."
1952   (let ((editing-buffer (current-buffer)))
1953     (save-excursion
1954       (set-buffer (generate-new-buffer name))
1955       (erase-buffer)
1956       (wl-draft-mode)
1957       (wl-draft-editor-mode)
1958       (insert-buffer editing-buffer)
1959       (message "")
1960       (while local-variables
1961         (make-local-variable (car local-variables))
1962         (set (car local-variables)
1963              (save-excursion
1964                (set-buffer editing-buffer)
1965                (symbol-value (car local-variables))))
1966         (setq local-variables (cdr local-variables)))
1967       (current-buffer))))
1968
1969 (defun wl-draft-remove-text-plain-tag ()
1970   "Remove text/plain tag of mime-edit."
1971   (when (string= (mime-make-text-tag "plain")
1972                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1973     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1974
1975 (defun wl-draft-reedit (number)
1976   (let ((draft-folder (wl-draft-get-folder))
1977         (wl-draft-reedit t)
1978         (num 0)
1979         buffer change-major-mode-hook body-top)
1980     (setq buffer (get-buffer-create (format "%s/%d" wl-draft-folder
1981                                             number)))
1982     (if wl-draft-use-frame
1983         (switch-to-buffer-other-frame buffer)
1984       (switch-to-buffer buffer))
1985     (set-buffer buffer)
1986     (elmo-message-fetch draft-folder number (elmo-make-fetch-strategy 'entire)
1987                         nil (current-buffer))
1988     (elmo-delete-cr-buffer)
1989     (let ((mime-edit-again-ignored-field-regexp
1990            "^\\(Content-.*\\|Mime-Version\\):"))
1991       (wl-draft-decode-message-in-buffer))
1992     (setq body-top (wl-draft-insert-mail-header-separator))
1993     (auto-save-mode -1)
1994     (wl-draft-mode)
1995     (make-local-variable 'truncate-partial-width-windows)
1996     (setq truncate-partial-width-windows nil)
1997     (setq truncate-lines wl-draft-truncate-lines)
1998     (setq wl-sent-message-via nil)
1999     (setq wl-sent-message-queued nil)
2000     (wl-draft-config-info-operation number 'load)
2001     (goto-char (point-min))
2002     (wl-draft-overload-functions)
2003     (wl-draft-editor-mode)
2004     (static-when (boundp 'auto-save-file-name-transforms)
2005       (make-local-variable 'auto-save-file-name-transforms)
2006       (setq auto-save-file-name-transforms
2007             (cons (list (concat (regexp-quote wl-draft-folder)
2008                                 "/\\([0-9]+\\)")
2009                         (concat (expand-file-name
2010                                  "auto-save-"
2011                                  (elmo-folder-msgdb-path
2012                                   (wl-draft-get-folder)))
2013                                 "\\1"))
2014                   auto-save-file-name-transforms)))
2015     (setq buffer-file-name (buffer-name)
2016           wl-draft-parent-folder ""
2017           wl-draft-buffer-message-number number)
2018     (when wl-draft-write-file-function
2019       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2020     (wl-highlight-headers 'for-draft)
2021     (goto-char body-top)
2022     (run-hooks 'wl-draft-reedit-hook)
2023     (goto-char (point-max))
2024     buffer))
2025
2026 (defmacro wl-draft-body-goto-top ()
2027   (` (progn
2028        (goto-char (point-min))
2029        (if (re-search-forward mail-header-separator nil t)
2030            (forward-char 1)
2031          (goto-char (point-max))))))
2032
2033 (defmacro wl-draft-body-goto-bottom ()
2034   (` (goto-char (point-max))))
2035
2036 (defmacro wl-draft-config-body-goto-header ()
2037   (` (progn
2038        (goto-char (point-min))
2039        (if (re-search-forward mail-header-separator nil t)
2040            (beginning-of-line)
2041          (goto-char (point-max))))))
2042
2043 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2044   (let (content-value)
2045     (when (and content
2046                (stringp (setq content-value (eval content))))
2047       (insert content-value)
2048       (if newline (insert "\n")))))
2049
2050 (defun wl-draft-config-sub-body (content)
2051   (wl-draft-body-goto-top)
2052   (delete-region (point) (point-max))
2053   (wl-draft-config-sub-eval-insert content))
2054
2055 (defun wl-draft-config-sub-top (content)
2056   (wl-draft-body-goto-top)
2057   (wl-draft-config-sub-eval-insert content))
2058
2059 (defun wl-draft-config-sub-bottom (content)
2060   (wl-draft-body-goto-bottom)
2061   (wl-draft-config-sub-eval-insert content))
2062
2063 (defun wl-draft-config-sub-header (content)
2064   (wl-draft-config-body-goto-header)
2065   (wl-draft-config-sub-eval-insert content 'newline))
2066
2067 (defun wl-draft-config-sub-header-top (content)
2068   (goto-char (point-min))
2069   (wl-draft-config-sub-eval-insert content 'newline))
2070
2071 (defun wl-draft-config-sub-part-top (content)
2072   (goto-char (mime-edit-content-beginning))
2073   (wl-draft-config-sub-eval-insert content 'newline))
2074
2075 (defun wl-draft-config-sub-part-bottom (content)
2076   (goto-char (mime-edit-content-end))
2077   (wl-draft-config-sub-eval-insert content 'newline))
2078
2079 (defsubst wl-draft-config-sub-file (content)
2080   (let ((coding-system-for-read wl-cs-autoconv)
2081         (file (expand-file-name (eval content))))
2082     (if (file-exists-p file)
2083         (insert-file-contents file)
2084       (error "%s: no exists file" file))))
2085
2086 (defun wl-draft-config-sub-body-file (content)
2087   (wl-draft-body-goto-top)
2088   (delete-region (point) (point-max))
2089   (wl-draft-config-sub-file content))
2090
2091 (defun wl-draft-config-sub-top-file (content)
2092   (wl-draft-body-goto-top)
2093   (wl-draft-config-sub-file content))
2094
2095 (defun wl-draft-config-sub-bottom-file (content)
2096   (wl-draft-body-goto-bottom)
2097   (wl-draft-config-sub-file content))
2098
2099 (defun wl-draft-config-sub-header-file (content)
2100   (wl-draft-config-body-goto-header)
2101   (wl-draft-config-sub-file content))
2102
2103 (defun wl-draft-config-sub-template (content)
2104   (setq wl-draft-config-variables
2105         (wl-template-insert (eval content))))
2106
2107 (defun wl-draft-config-sub-x-face (content)
2108   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2109            (fboundp 'x-face-insert)) ; x-face.el is installed.
2110       (x-face-insert content)
2111     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2112
2113 (defsubst wl-draft-config-sub-func (field content)
2114   (let (func)
2115     (if (setq func (assq field wl-draft-config-sub-func-alist))
2116         (let (wl-draft-config-variables)
2117           (funcall (cdr func) content)
2118           ;; for wl-draft-config-sub-template
2119           (cons t wl-draft-config-variables)))))
2120
2121 (defsubst wl-draft-config-exec-sub (clist)
2122   (let (config local-variables)
2123     (while clist
2124       (setq config (car clist))
2125       (cond
2126        ((functionp config)
2127         (funcall config))
2128        ((consp config)
2129         (let ((field (car config))
2130               (content (cdr config))
2131               ret-val)
2132           (cond
2133            ((stringp field)
2134             (wl-draft-replace-field field (eval content) t))
2135            ((setq ret-val (wl-draft-config-sub-func field content))
2136             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2137                 (wl-append local-variables (cdr ret-val))))
2138            ((boundp field) ;; variable
2139             (make-local-variable field)
2140             (set field (eval content))
2141             (wl-append local-variables (list field)))
2142            (t
2143             (error "%s: not variable" field)))))
2144        (t
2145         (error "%s: not supported type" config)))
2146       (setq clist (cdr clist)))
2147     local-variables))
2148
2149 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2150   "Change headers in draft preparation time."
2151   (interactive)
2152   (unless wl-draft-reedit
2153     (let ((config-alist
2154            (or config-alist
2155                (and (boundp 'wl-draft-prepared-config-alist)
2156                     wl-draft-prepared-config-alist)     ;; For compatible.
2157                wl-draft-config-alist)))
2158       (if config-alist
2159           (wl-draft-config-exec config-alist reply-buf)))))
2160
2161 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2162   "Change headers according to the value of `wl-draft-config-alist'.
2163 Automatically applied in draft sending time."
2164   (interactive)
2165   (let ((case-fold-search t)
2166         (alist (or config-alist wl-draft-config-alist))
2167         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2168                                       wl-draft-reply-buffer)))
2169         (local-variables wl-draft-config-variables)
2170         key clist found)
2171     (when (and (or (interactive-p)
2172                    wl-draft-config-exec-flag)
2173                alist)
2174       (save-excursion
2175         (catch 'done
2176           (while alist
2177             (setq key (caar alist)
2178                   clist (cdar alist))
2179             (cond
2180              ((eq key 'reply)
2181               (when (and
2182                      reply-buf
2183                      (save-excursion
2184                        (set-buffer reply-buf)
2185                        (save-restriction
2186                          (std11-narrow-to-header)
2187                          (goto-char (point-min))
2188                          (re-search-forward (car clist) nil t))))
2189                 (wl-draft-config-exec-sub (cdr clist))
2190                 (setq found t)))
2191              ((stringp key)
2192               (when (save-restriction
2193                       (std11-narrow-to-header mail-header-separator)
2194                       (goto-char (point-min))
2195                       (re-search-forward key nil t))
2196                 (wl-append local-variables
2197                            (wl-draft-config-exec-sub clist))
2198                 (setq found t)))
2199              ((eval key)
2200               (wl-append local-variables
2201                          (wl-draft-config-exec-sub clist))
2202               (setq found t)))
2203             (if (and found wl-draft-config-matchone)
2204                 (throw 'done t))
2205             (setq alist (cdr alist)))))
2206       (if found
2207           (setq wl-draft-config-exec-flag nil))
2208       (run-hooks 'wl-draft-config-exec-hook)
2209       (put-text-property (point-min)(point-max) 'face nil)
2210       (wl-highlight-message (point-min)(point-max) t)
2211       (setq wl-draft-config-variables
2212             (elmo-uniq-list local-variables)))))
2213
2214 (defun wl-draft-replace-field (field content &optional add)
2215   (save-excursion
2216     (save-restriction
2217       (let ((case-fold-search t)
2218             (inhibit-read-only t) ;; added by teranisi.
2219             beg)
2220         (std11-narrow-to-header mail-header-separator)
2221         (goto-char (point-min))
2222         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2223             (if content
2224                 ;; replace field
2225                 (progn
2226                   (setq beg (point))
2227                   (re-search-forward "^[^ \t]" nil 'move)
2228                   (beginning-of-line)
2229                   (skip-chars-backward "\n")
2230                   (delete-region beg (point))
2231                   (insert " " content))
2232               ;; delete field
2233               (save-excursion
2234                 (beginning-of-line)
2235                 (setq beg (point)))
2236               (re-search-forward "^[^ \t]" nil 'move)
2237               (beginning-of-line)
2238               (delete-region beg (point)))
2239           (when (and add content)
2240             ;; add field
2241             (goto-char (point-max))
2242             (insert (concat field ": " content "\n"))))))))
2243
2244 (defun wl-draft-config-info-operation (msg operation)
2245   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2246          (filename
2247           (expand-file-name
2248            (format "%s-%d" wl-draft-config-save-filename msg)
2249            msgdb-dir))
2250          element alist variable)
2251     (cond
2252      ((eq operation 'save)
2253       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2254         (while (setq variable (pop variables))
2255           (when (boundp variable)
2256             (wl-append alist
2257                        (list (cons variable (eval variable))))))
2258         (elmo-object-save filename alist)))
2259      ((eq operation 'load)
2260       (setq alist (elmo-object-load filename))
2261       (while (setq element (pop alist))
2262         (set (make-local-variable (car element)) (cdr element))
2263         (wl-append wl-draft-config-variables (list (car element)))))
2264      ((eq operation 'delete)
2265       (if (file-exists-p filename)
2266           (delete-file filename))))))
2267
2268 (defun wl-draft-queue-info-operation (msg operation
2269                                           &optional add-sent-message-via)
2270   (let* ((msgdb-dir (elmo-folder-msgdb-path
2271                      (wl-folder-get-elmo-folder wl-queue-folder)))
2272          (filename
2273           (expand-file-name
2274            (format "%s-%d" wl-draft-queue-save-filename msg)
2275            msgdb-dir))
2276          element alist variable)
2277     (cond
2278      ((eq operation 'save)
2279       (let ((variables (elmo-uniq-list
2280                         (append wl-draft-queue-save-variables
2281                                 wl-draft-config-variables
2282                                 (list 'wl-draft-fcc-list)))))
2283         (if add-sent-message-via
2284             (progn
2285               (push 'wl-sent-message-queued variables)
2286               (push 'wl-sent-message-via variables)))
2287         (while (setq variable (pop variables))
2288           (when (boundp variable)
2289             (wl-append alist
2290                        (list (cons variable (eval variable))))))
2291         (elmo-object-save filename alist)))
2292      ((eq operation 'load)
2293       (setq alist (elmo-object-load filename))
2294       (while (setq element (pop alist))
2295         (set (make-local-variable (car element)) (cdr element))))
2296      ((eq operation 'get-sent-via)
2297       (setq alist (elmo-object-load filename))
2298       (cdr (assq 'wl-sent-message-via alist)))
2299      ((eq operation 'delete)
2300       (if (file-exists-p filename)
2301           (delete-file filename))))))
2302
2303 (defun wl-draft-queue-append (wl-sent-message-via)
2304   (if wl-draft-verbose-send
2305       (message "Queuing..."))
2306   (let ((send-buffer (current-buffer))
2307         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2308         (message-id (std11-field-body "Message-ID")))
2309     (if (elmo-folder-append-buffer folder)
2310         (progn
2311           (wl-draft-queue-info-operation
2312            (car (elmo-folder-status folder))
2313            'save wl-sent-message-via)
2314           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2315           (when wl-draft-verbose-send
2316             (setq wl-draft-verbose-msg "Queuing...")
2317             (message "Queuing...done")))
2318       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2319       (error "Queuing failed"))))
2320
2321 (defun wl-draft-queue-flush ()
2322   "Flush draft queue."
2323   (interactive)
2324   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2325          (msgs2 (progn
2326                   (elmo-folder-open-internal queue-folder)
2327                   (elmo-folder-list-messages queue-folder)))
2328          (i 0)
2329          (performed 0)
2330          (wl-draft-queue-flushing t)
2331          msgs failure len buffer msgid sent-via)
2332     ;; get plugged send message
2333     (while msgs2
2334       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2335       (catch 'found
2336         (while sent-via
2337           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2338                      (or (not (nth 2 (car sent-via)))
2339                          (elmo-plugged-p
2340                           (car (nth 2 (car sent-via)))
2341                           (cdr (nth 2 (car sent-via))))))
2342             (wl-append msgs (list (car msgs2)))
2343             (throw 'found t))
2344           (setq sent-via (cdr sent-via))))
2345       (setq msgs2 (cdr msgs2)))
2346     (when (> (setq len (length msgs)) 0)
2347       (if (elmo-y-or-n-p (format
2348                           "%d message(s) are in the sending queue.  Send now? "
2349                           len)
2350                          (not elmo-dop-flush-confirm) t)
2351           (progn
2352             (save-excursion
2353               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2354               (set-buffer buffer)
2355               (while msgs
2356                 ;; reset buffer local variables
2357                 (kill-all-local-variables)
2358                 (erase-buffer)
2359                 (setq i (+ 1 i)
2360                       failure nil)
2361                 (setq wl-sent-message-via nil)
2362                 (wl-draft-queue-info-operation (car msgs) 'load)
2363                 (elmo-message-fetch queue-folder
2364                                     (car msgs)
2365                                     (elmo-make-fetch-strategy 'entire)
2366                                     nil (current-buffer))
2367                 (condition-case err
2368                     (setq failure (funcall
2369                                    wl-draft-queue-flush-send-function
2370                                    (format "Sending (%d/%d)..." i len)))
2371 ;;;               (wl-draft-raw-send nil nil
2372 ;;;                                  (format "Sending (%d/%d)..." i len))
2373                   (error
2374                    (elmo-display-error err t)
2375                    (setq failure t))
2376                   (quit
2377                    (setq failure t)))
2378                 (if (eq wl-sent-message-modified 'requeue)
2379                     (progn
2380                       (elmo-folder-delete-messages
2381                        queue-folder (cons (car msgs) nil))
2382                       (wl-draft-queue-info-operation (car msgs) 'delete))
2383                   (unless failure
2384                     (elmo-folder-delete-messages
2385                      queue-folder (cons (car msgs) nil))
2386                     (wl-draft-queue-info-operation (car msgs) 'delete)
2387                     (setq performed (+ 1 performed))))
2388                 (setq msgs (cdr msgs)))
2389               (kill-buffer buffer)
2390               (message "%d message(s) are sent." performed)))
2391         (message "%d message(s) are remained to be sent." len))
2392       (elmo-folder-close queue-folder)
2393       len)))
2394
2395 (defun wl-jump-to-draft-buffer (&optional arg)
2396   "Jump to the draft if exists."
2397   (interactive "P")
2398   (if arg
2399       (wl-jump-to-draft-folder)
2400     (let ((draft-bufs (wl-collect-draft))
2401           buf)
2402       (cond
2403        ((null draft-bufs)
2404         (message "No draft buffer exist."))
2405        (t
2406         (setq draft-bufs
2407               (sort (mapcar 'buffer-name draft-bufs)
2408                     (function (lambda (a b)
2409                                 (not (string< a b))))))
2410         (if (setq buf (cdr (member (buffer-name)
2411                                    draft-bufs)))
2412             (setq buf (car buf))
2413           (setq buf (car draft-bufs)))
2414         (switch-to-buffer buf))))))
2415
2416 (defun wl-jump-to-draft-folder ()
2417   (let ((msgs (reverse (elmo-folder-list-messages (wl-draft-get-folder))))
2418         (mybuf (buffer-name))
2419         msg buf)
2420     (if (not msgs)
2421         (message "No draft message exist.")
2422       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2423           (setq msg (cadr (memq
2424                            (string-to-int (substring mybuf (match-end 0)))
2425                            msgs))))
2426       (or msg (setq msg (car msgs)))
2427       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2428           (switch-to-buffer buf)
2429         (wl-draft-reedit msg)))))
2430
2431 (defun wl-draft-highlight-and-recenter (&optional n)
2432   (interactive "P")
2433   (when wl-highlight-body-too
2434     (let ((modified (buffer-modified-p)))
2435       (unwind-protect
2436           (progn
2437             (put-text-property (point-min) (point-max) 'face nil)
2438             (wl-highlight-message (point-min) (point-max) t))
2439         (set-buffer-modified-p modified))))
2440   (static-when (featurep 'xemacs)
2441     ;; Cope with one of many XEmacs bugs that `recenter' takes
2442     ;; a long time if there are a lot of invisible text lines.
2443     (redraw-frame))
2444   (recenter n))
2445
2446 ;; insert element from history
2447 (defvar wl-draft-current-history-position nil)
2448 (defvar wl-draft-history-backup-word "")
2449
2450 (defun wl-draft-previous-history-element (n)
2451   (interactive "p")
2452   (let (bol history beg end prev new)
2453     (when (and (not (wl-draft-on-field-p))
2454                (< (point)
2455                   (save-excursion
2456                     (goto-char (point-min))
2457                     (search-forward (concat "\n" mail-header-separator "\n") nil 0)
2458                     (point)))
2459                (save-excursion
2460                  (beginning-of-line)
2461                  (while (and (looking-at "^[ \t]")
2462                              (not (= (point) (point-min))))
2463                    (forward-line -1))
2464                  (cond
2465                   ((looking-at wl-folder-complete-header-regexp)
2466                    (and (boundp 'wl-read-folder-history)
2467                         (setq history wl-read-folder-history)))
2468                   ;; ((looking-at wl-address-complete-header-regexp)
2469                   ;;  (setq history .....))
2470                   (t
2471                    nil)))
2472                (eolp))
2473       (setq bol (save-excursion (beginning-of-line) (point)))
2474       (cond ((and (or (eq last-command 'wl-draft-previous-history-element)
2475                       (eq last-command 'wl-draft-next-history-element))
2476                   wl-draft-current-history-position)
2477              (setq end (point))
2478              (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2479                  (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2480                  (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t))
2481              (setq prev (match-string 1))
2482              (goto-char (match-beginning 1))
2483              (setq beg (point))
2484              (if (cond ((< n 0)
2485                         (>= (+ n wl-draft-current-history-position) 0))
2486                        ((> n 0)
2487                         (<= (+ n wl-draft-current-history-position)
2488                             (length history))))
2489                  (progn
2490                    (setq wl-draft-current-history-position
2491                          (+ n wl-draft-current-history-position))
2492                    (setq new
2493                          (nth wl-draft-current-history-position
2494                               (append (list wl-draft-history-backup-word)
2495                                       history)))
2496                    (delete-region beg end)
2497                    (insert new))
2498                (goto-char end)
2499                (cond ((< n 0)
2500                       (message "End of history; no next item"))
2501                      ((> n 0)
2502                       (message "Beginning of history; no preceding item")))))
2503             ((and (> n 0)
2504                   (save-excursion
2505                     (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2506                         (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2507                         (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t)))
2508                   (car history))
2509              (setq wl-draft-current-history-position 1)
2510              (setq wl-draft-history-backup-word (match-string 1))
2511              (delete-region (match-beginning 1) (match-end 1))
2512              (insert (car history)))
2513             (t
2514              (setq wl-draft-current-history-position nil))))))
2515
2516 (defun wl-draft-next-history-element (n)
2517   (interactive "p")
2518   (wl-draft-previous-history-element (- n)))
2519
2520 ;;;; user-agent support by Sen Nagata
2521
2522 ;; this appears to be necessarily global...
2523 (defvar wl-user-agent-compose-p nil)
2524 (defvar wl-user-agent-headers-and-body-alist nil)
2525
2526 ;; this should be a generic function for mail-mode -- i wish there was
2527 ;; something like it in sendmail.el
2528 (defun wl-user-agent-insert-header (header-name header-value)
2529   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2530   ;; it seems like overriding existing headers is acceptable -- should
2531   ;; we provide an option?
2532
2533   ;; plan was: unfold header (might be folded), remove existing value, insert
2534   ;;           new value
2535   ;; wl doesn't seem to fold header lines yet anyway :-)
2536
2537   (let ((kill-whole-line t)
2538         end-of-line)
2539     (mail-position-on-field (capitalize header-name))
2540     (setq end-of-line (point))
2541     (beginning-of-line)
2542     (re-search-forward ":" end-of-line)
2543     (insert (concat " " header-value "\n"))
2544     (kill-line)))
2545
2546 ;; this should be a generic function for mail-mode -- i wish there was
2547 ;; something like it in sendmail.el
2548 ;;
2549 ;; ** haven't dealt w/ case where the body is already set **
2550 (defun wl-user-agent-insert-body (body-text)
2551   "Insert a body of text, BODY-TEXT, into a message."
2552   ;; code defensively... :-P
2553   (goto-char (point-min))
2554   (search-forward mail-header-separator)
2555   (forward-line 1)
2556   (insert body-text))
2557
2558 ;;;###autoload
2559 (defun wl-user-agent-compose (&optional to subject other-headers continue
2560                                         switch-function yank-action
2561                                         send-actions)
2562   "Support the `compose-mail' interface for wl.
2563 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2564 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2565 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2566
2567   (unless (featurep 'wl)
2568     (require 'wl))
2569   (or switch-function
2570       (setq switch-function 'keep))
2571   ;; protect these -- to and subject get bound at some point, so it looks
2572   ;; to be necessary to protect the values used w/in
2573   (let ((wl-user-agent-headers-and-body-alist other-headers)
2574         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2575         (wl-draft-buffer-style switch-function))
2576     (if to
2577         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2578                                    'ignore-case)
2579             (setcdr
2580              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2581                                     'ignore-case)
2582              to)
2583           (setq wl-user-agent-headers-and-body-alist
2584                 (cons (cons "to" to)
2585                       wl-user-agent-headers-and-body-alist))))
2586     (if subject
2587         (if (wl-string-match-assoc "subject"
2588                                    wl-user-agent-headers-and-body-alist
2589                                    'ignore-case)
2590             (setcdr
2591              (wl-string-match-assoc "subject"
2592                                     wl-user-agent-headers-and-body-alist
2593                                     'ignore-case)
2594              subject)
2595           (setq wl-user-agent-headers-and-body-alist
2596                 (cons (cons "subject" subject)
2597                       wl-user-agent-headers-and-body-alist))))
2598     ;; i think this is what we want to use...
2599     (unwind-protect
2600         (progn
2601           ;; tell the hook-function to do its stuff
2602           (setq wl-user-agent-compose-p t)
2603           ;; because to get the hooks working, wl-draft has to think it has
2604           ;; been called interactively
2605           (call-interactively 'wl-draft))
2606       (setq wl-user-agent-compose-p nil))))
2607
2608 (defun wl-user-agent-compose-internal ()
2609   "Manipulate headers and/or a body of a draft message."
2610   ;; being called from wl-user-agent-compose?
2611   (if wl-user-agent-compose-p
2612       (progn
2613         ;; insert headers
2614         (let ((headers wl-user-agent-headers-and-body-alist)
2615               (case-fold-search t))
2616           (while headers
2617             ;; skip body
2618             (if (not (string-match "^body$" (car (car headers))))
2619                 (wl-user-agent-insert-header
2620                  (car (car headers)) (cdr (car headers)))
2621               t)
2622             (setq headers (cdr headers))))
2623         ;; highlight headers (from wl-draft in wl-draft.el)
2624         (wl-highlight-headers 'for-draft)
2625         ;; insert body
2626         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2627                                    'ignore-case)
2628             (wl-user-agent-insert-body
2629              (cdr (wl-string-match-assoc
2630                    "body"
2631                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2632     t))
2633
2634 (defun wl-draft-set-flag-on-parent (flag)
2635   "Set FLAG on parent message."
2636   (let ((buffer (wl-summary-get-buffer wl-draft-parent-folder))
2637         (number wl-draft-parent-number)
2638         folder)
2639     (if buffer
2640         (with-current-buffer buffer
2641           (wl-summary-set-persistent-mark flag number))
2642       ;; Parent buffer does not exist.
2643       (when (setq folder (and wl-draft-parent-folder
2644                               (wl-folder-get-elmo-folder
2645                                wl-draft-parent-folder)))
2646         (elmo-folder-open folder 'load-msgdb)
2647         (elmo-folder-set-flag folder (list wl-draft-parent-number) flag)
2648         (elmo-folder-close folder)))))
2649
2650 (defun wl-draft-setup-parent-flag (flag)
2651   "Setup a FLAG for parent message."
2652   (when (and (> (length wl-draft-parent-folder) 0)
2653              wl-draft-parent-number)
2654     (setq wl-draft-parent-flag flag)
2655     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)))
2656
2657 (require 'product)
2658 (product-provide (provide 'wl-draft) (require 'wl-version))
2659
2660 ;;; wl-draft.el ends here