wl/wl-draft.el

   1 ;;; wl-draft.el --- Message draft mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5
   6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
   8 ;; Keywords: mail, net news
   9
  10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  11
  12 ;; This program is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16 ;;
  17 ;; This program is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21 ;;
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26 ;;
  27
  28 ;;; Commentary:
  29 ;;
  30
  31 ;;; Code:
  32 ;;
  33
  34 (require 'sendmail)
  35 (require 'wl-template)
  36 (require 'emu)
  37 (condition-case nil (require 'timezone) (error nil))
  38 (require 'std11)
  39 (require 'wl-vars)
  40
  41 (defvar x-face-add-x-face-version-header)
  42 (defvar mail-reply-buffer)
  43 (defvar mail-from-style)
  44
  45 (eval-when-compile
  46   (require 'static)
  47   (require 'elmo-pop3)
  48   (defalias-maybe 'x-face-insert 'ignore)
  49   (defalias-maybe 'x-face-insert-version-header 'ignore)
  50   (defalias-maybe 'wl-init 'ignore)
  51   (defalias-maybe 'wl-draft-mode 'ignore))
  52
  53 (eval-and-compile
  54   (autoload 'wl-addrmgr "wl-addrmgr"))
  55
  56 (autoload 'open-ssl-stream "ssl")
  57
  58 (defvar wl-draft-buffer-message-number nil)
  59 (defvar wl-draft-field-completion-list nil)
  60 (defvar wl-draft-verbose-send t)
  61 (defvar wl-draft-verbose-msg nil)
  62 (defvar wl-draft-queue-flushing nil)
  63 (defvar wl-draft-config-variables nil)
  64 (defvar wl-draft-config-exec-flag t)
  65 (defvar wl-draft-buffer-cur-summary-buffer nil)
  66 (defvar wl-draft-clone-local-variable-regexp "^\\(wl\\|mime\\)")
  67 (defvar wl-draft-sendlog-filename "sendlog")
  68 (defvar wl-draft-queue-save-filename "qinfo")
  69 (defvar wl-draft-config-save-filename "config")
  70 (defvar wl-draft-queue-flush-send-function 'wl-draft-dispatch-message)
  71 (defvar wl-sent-message-via nil)
  72 (defvar wl-sent-message-modified nil)
  73 (defvar wl-sent-message-queued nil)
  74 (defvar wl-draft-fcc-list nil)
  75 (defvar wl-draft-reedit nil)
  76 (defvar wl-draft-reply-buffer nil)
  77 (defvar wl-draft-forward nil)
  78 (defvar wl-draft-doing-mime-bcc nil)
  79
  80 (defvar wl-draft-parent-folder nil
  81   "Folder name of the summary in which current draft is invoked.
  82 This variable is local in each draft buffer.
  83 You can refer its value in `wl-draft-config-alist'.
  84
  85 e.g.
  86 \(setq wl-draft-config-alist
  87       '(((string-match \".*@domain1$\" wl-draft-parent-folder)
  88          (\"From\" . \"user@domain1\"))
  89         ((string-match \".*@domain2$\" wl-draft-parent-folder)
  90          (\"From\" . \"user@domain2\"))))")
  91
  92 (defvar wl-draft-parent-number nil)
  93
  94 (defconst wl-draft-reply-saved-variables
  95   '(wl-draft-parent-folder
  96     wl-draft-parent-number))
  97
  98 (defvar wl-draft-config-sub-func-alist
  99   '((body               . wl-draft-config-sub-body)
 100     (top                . wl-draft-config-sub-top)
 101     (bottom             . wl-draft-config-sub-bottom)
 102     (header             . wl-draft-config-sub-header)
 103     (header-top         . wl-draft-config-sub-header-top)
 104     (header-bottom      . wl-draft-config-sub-header)
 105     (part-top           . wl-draft-config-sub-part-top)
 106     (part-bottom        . wl-draft-config-sub-part-bottom)
 107     (body-file          . wl-draft-config-sub-body-file)
 108     (top-file           . wl-draft-config-sub-top-file)
 109     (bottom-file        . wl-draft-config-sub-bottom-file)
 110     (header-file        . wl-draft-config-sub-header-file)
 111     (template           . wl-draft-config-sub-template)
 112     (x-face             . wl-draft-config-sub-x-face)))
 113
 114 (make-variable-buffer-local 'wl-draft-buffer-message-number)
 115 (make-variable-buffer-local 'wl-draft-buffer-cur-summary-buffer)
 116 (make-variable-buffer-local 'wl-draft-config-variables)
 117 (make-variable-buffer-local 'wl-draft-config-exec-flag)
 118 (make-variable-buffer-local 'wl-sent-message-via)
 119 (make-variable-buffer-local 'wl-sent-message-queued)
 120 (make-variable-buffer-local 'wl-draft-fcc-list)
 121 (make-variable-buffer-local 'wl-draft-reply-buffer)
 122 (make-variable-buffer-local 'wl-draft-parent-folder)
 123 (make-variable-buffer-local 'wl-draft-parent-number)
 124
 125 (defvar wl-draft-folder-internal nil
 126   "Internal variable for caching `opened' draft folder.")
 127
 128 (defsubst wl-smtp-password-key (user mechanism server)
 129   (format "SMTP:%s/%s@%s"
 130           user mechanism server))
 131
 132 (defmacro wl-smtp-extension-bind (&rest body)
 133   (` (let* ((smtp-sasl-mechanisms
 134              (if wl-smtp-authenticate-type
 135                  (mapcar 'upcase
 136                          (if (listp wl-smtp-authenticate-type)
 137                              wl-smtp-authenticate-type
 138                            (list wl-smtp-authenticate-type)))))
 139             (smtp-use-sasl (and smtp-sasl-mechanisms t))
 140             (smtp-use-starttls (eq wl-smtp-connection-type 'starttls))
 141             (smtp-open-connection-function
 142              (if (eq wl-smtp-connection-type 'ssl)
 143                  #'open-ssl-stream
 144                smtp-open-connection-function))
 145             (smtp-end-of-line
 146              (if (eq wl-smtp-connection-type 'ssl)
 147                  "\n"
 148                smtp-end-of-line))
 149             smtp-sasl-user-name smtp-sasl-properties sasl-read-passphrase)
 150        (if (and (string= (car smtp-sasl-mechanisms) "DIGEST-MD5")
 151                 ;; sendmail bug?
 152                 (string-match "^\\([^@]*\\)@\\([^@]*\\)"
 153                               wl-smtp-posting-user))
 154            (setq smtp-sasl-user-name (match-string 1 wl-smtp-posting-user)
 155                  smtp-sasl-properties (list 'realm
 156                                             (match-string 2 wl-smtp-posting-user)))
 157          (setq smtp-sasl-user-name wl-smtp-posting-user
 158                smtp-sasl-properties nil))
 159        (setq sasl-read-passphrase
 160              (function
 161               (lambda (prompt)
 162                 (elmo-get-passwd
 163                  (wl-smtp-password-key
 164                   smtp-sasl-user-name
 165                   (car smtp-sasl-mechanisms)
 166                   smtp-server)))))
 167        (,@ body))))
 168
 169 (defun wl-draft-insert-date-field ()
 170   "Insert Date field."
 171   (insert "Date: " (wl-make-date-string) "\n"))
 172
 173 (defun wl-draft-insert-from-field ()
 174   "Insert From field."
 175   ;; Put the "From:" field in unless for some odd reason
 176   ;; they put one in themselves.
 177   (let (from)
 178     (condition-case err
 179         (setq from (wl-draft-eword-encode-address-list wl-from))
 180       (error (error "Please look at `wl-from' again")))
 181     (insert "From: " from "\n")))
 182
 183 (defun wl-draft-insert-x-face-field ()
 184   "Insert X-Face header."
 185   (interactive)
 186   (if (not (file-exists-p wl-x-face-file))
 187       (error "File %s does not exist" wl-x-face-file)
 188     (goto-char (point-min))
 189     (search-forward mail-header-separator nil t)
 190     (beginning-of-line)
 191     (wl-draft-insert-x-face-field-here)
 192     (run-hooks 'wl-draft-insert-x-face-field-hook))) ; highlight it if you want.
 193
 194 (defun wl-draft-insert-x-face-field-here ()
 195   "Insert X-Face field at point."
 196   (let ((x-face-string (elmo-get-file-string wl-x-face-file)))
 197     (when (string-match "^\\(X-Face:\\)?[ \t\n]*" x-face-string)
 198       (setq x-face-string (substring x-face-string (match-end 0))))
 199     (insert "X-Face: " x-face-string))
 200   (when (not (= (preceding-char) ?\n))  ; for chomped (choped) x-face-string
 201     (insert ?\n))
 202   ;; Insert X-Face-Version: field
 203   (when (and (fboundp 'x-face-insert-version-header)
 204              (boundp 'x-face-add-x-face-version-header)
 205              x-face-add-x-face-version-header)
 206     (x-face-insert-version-header)))
 207
 208 (defun wl-draft-setup ()
 209   (let ((field wl-draft-fields)
 210         cl)
 211     (while field
 212       (setq cl (append cl
 213                        (list (cons (concat (car field) " ")
 214                                    (concat (car field) " ")))))
 215       (setq field (cdr field)))
 216     (setq cl
 217           (cons (cons (concat wl-draft-mime-bcc-field-name  ": ")
 218                       (concat wl-draft-mime-bcc-field-name  ": "))
 219                 cl))
 220     (setq wl-draft-field-completion-list cl)
 221     (setq wl-address-complete-header-regexp
 222           (wl-regexp-opt
 223            (append wl-address-complete-header-list
 224                    (list (concat wl-draft-mime-bcc-field-name  ":")))))))
 225
 226 (defun wl-draft-make-mail-followup-to (recipients)
 227   (if (elmo-list-member
 228        (or wl-user-mail-address-list
 229            (list (wl-address-header-extract-address wl-from)))
 230        recipients)
 231       (let ((rlist (elmo-list-delete
 232                     (or wl-user-mail-address-list
 233                         (list (wl-address-header-extract-address wl-from)))
 234                     recipients
 235                     (lambda (elem list)
 236                       (elmo-delete-if
 237                        (lambda (item) (string= (downcase elem)
 238                                                (downcase item)))
 239                        list)))))
 240         (if (elmo-list-member rlist (mapcar 'downcase
 241                                             wl-subscribed-mailing-list))
 242             rlist
 243           (append rlist (list (wl-address-header-extract-address
 244                                wl-from)))))
 245     recipients))
 246
 247 (defun wl-draft-delete-myself-from-cc (to cc)
 248   (let ((myself (or wl-user-mail-address-list
 249                     (list (wl-address-header-extract-address wl-from)))))
 250     (cond (wl-draft-always-delete-myself ; always-delete option
 251            (elmo-list-delete myself cc
 252                              (lambda (elem list)
 253                                (elmo-delete-if
 254                                 (lambda (item) (string= (downcase elem)
 255                                                         (downcase item)))
 256                                 list))))
 257           ((elmo-list-member (append to cc) ; subscribed mailing-list
 258                              (mapcar 'downcase wl-subscribed-mailing-list))
 259            (elmo-list-delete myself cc
 260                              (lambda (elem list)
 261                                (elmo-delete-if
 262                                 (lambda (item) (string= (downcase elem)
 263                                                         (downcase item)))
 264                                 list))))
 265           (t cc))))
 266
 267 (defun wl-draft-forward (original-subject summary-buf)
 268   (let (references parent-folder)
 269     (with-current-buffer summary-buf
 270       (setq parent-folder (wl-summary-buffer-folder-name)))
 271     (with-current-buffer (wl-message-get-original-buffer)
 272       (setq references (nconc
 273                         (std11-field-bodies '("References" "In-Reply-To"))
 274                         (list (std11-field-body "Message-Id"))))
 275       (setq references (delq nil references)
 276             references (mapconcat 'identity references " ")
 277             references (wl-draft-parse-msg-id-list-string references)
 278             references (wl-delete-duplicates references)
 279             references (when references
 280                          (mapconcat 'identity references "\n\t"))))
 281     (and wl-draft-use-frame
 282          (get-buffer-window summary-buf)
 283          (select-window (get-buffer-window summary-buf)))
 284     (wl-draft (list (cons 'To "")
 285                     (cons 'Subject
 286                           (concat wl-forward-subject-prefix original-subject))
 287                     (cons 'References references))
 288               nil nil nil nil parent-folder))
 289   (goto-char (point-max))
 290   (wl-draft-insert-message)
 291   (mail-position-on-field "To"))
 292
 293 (defun wl-draft-strip-subject-re (subject)
 294   "Remove \"Re:\" from SUBJECT string. Shamelessly copied from Gnus."
 295   (if (string-match wl-subject-prefix-regexp subject)
 296       (substring subject (match-end 0))
 297     subject))
 298
 299 (defun wl-draft-self-reply-p ()
 300   "Return t when From address in the current message is user's self one or not."
 301   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
 302
 303 (defun wl-draft-reply (buf with-arg summary-buf &optional number)
 304   "Reply to BUF buffer message.
 305 Reply to author if WITH-ARG is non-nil."
 306 ;;;(save-excursion
 307   (let (r-list
 308         to mail-followup-to cc subject in-reply-to references newsgroups
 309         to-alist cc-alist decoder parent-folder)
 310     (when (buffer-live-p summary-buf)
 311       (with-current-buffer summary-buf
 312         (setq parent-folder (wl-summary-buffer-folder-name))))
 313     (set-buffer (or buf mime-mother-buffer))
 314     (setq r-list (if with-arg wl-draft-reply-with-argument-list
 315                    wl-draft-reply-without-argument-list))
 316     (catch 'done
 317       (while r-list
 318         (when (let ((condition (car (car r-list))))
 319                 (cond ((stringp condition)
 320                        (std11-field-body condition))
 321                       ((listp condition)
 322                        (catch 'done
 323                          (while condition
 324                            (cond
 325                             ((stringp (car condition))
 326                              (or (std11-field-body (car condition))
 327                                  (throw 'done nil)))
 328                             ((symbolp (car condition))
 329                              (or (funcall (car condition))
 330                                  (throw 'done nil)))
 331                             (t
 332                              (debug)))
 333                            (setq condition (cdr condition)))
 334                          t))
 335                       ((symbolp condition)
 336                        (funcall condition))))
 337           (let ((r-to-list (nth 0 (cdr (car r-list))))
 338                 (r-cc-list (nth 1 (cdr (car r-list))))
 339                 (r-ng-list (nth 2 (cdr (car r-list)))))
 340             (when (and (member "Followup-To" r-ng-list)
 341                        (string= (std11-field-body "Followup-To") "poster"))
 342               (setq r-to-list (cons "From" r-to-list))
 343               (setq r-ng-list (delete "Followup-To"
 344                                       (copy-sequence r-ng-list))))
 345             (if (and r-to-list (symbolp r-to-list))
 346                 (setq to (wl-concat-list (funcall r-to-list) ","))
 347               (setq to (wl-concat-list (cons to
 348                                              (elmo-multiple-fields-body-list
 349                                               r-to-list))
 350                                        ",")))
 351             (if (and r-cc-list (symbolp r-cc-list))
 352                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 353               (setq cc (wl-concat-list (cons cc
 354                                              (elmo-multiple-fields-body-list
 355                                               r-cc-list))
 356                                        ",")))
 357             (if (and r-ng-list (symbolp r-ng-list))
 358                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 359               (setq newsgroups (wl-concat-list (cons newsgroups
 360                                                      (std11-field-bodies
 361                                                       r-ng-list))
 362                                                ","))))
 363           (throw 'done nil))
 364         (setq r-list (cdr r-list)))
 365       (error "No match field: check your `wl-draft-reply-%s-argument-list'"
 366              (if with-arg "with" "without")))
 367     (setq subject (std11-field-body "Subject"))
 368     (setq to (wl-parse-addresses to)
 369           cc (wl-parse-addresses cc))
 370     (with-temp-buffer                   ; to keep raw buffer unibyte.
 371       (elmo-set-buffer-multibyte default-enable-multibyte-characters)
 372       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 373       (setq subject (if (and subject decoder)
 374                         (funcall decoder subject) subject))
 375       (setq to-alist
 376             (mapcar
 377              (lambda (addr)
 378                (setq decoder (mime-find-field-decoder 'To 'plain))
 379                (cons (nth 1 (std11-extract-address-components addr))
 380                      (if decoder (funcall decoder addr) addr)))
 381              to))
 382       (setq cc-alist
 383             (mapcar
 384              (lambda (addr)
 385                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 386                (cons (nth 1 (std11-extract-address-components addr))
 387                      (if decoder (funcall decoder addr) addr)))
 388              cc)))
 389     (and wl-reply-subject-prefix
 390          (setq subject (concat wl-reply-subject-prefix
 391                                (wl-draft-strip-subject-re
 392                                 (or subject "")))))
 393     (setq in-reply-to (std11-field-body "Message-Id"))
 394     (setq references (nconc
 395                       (std11-field-bodies '("References" "In-Reply-To"))
 396                       (list in-reply-to)))
 397     (setq to (delq nil (mapcar 'car to-alist)))
 398     (setq cc (delq nil (mapcar 'car cc-alist)))
 399     ;; if subscribed mailing list is contained in cc or to
 400     ;; and myself is contained in cc,
 401     ;; delete myself from cc.
 402     (setq cc (wl-draft-delete-myself-from-cc to cc))
 403     (when wl-insert-mail-followup-to
 404       (setq mail-followup-to
 405             (wl-draft-make-mail-followup-to (append to cc)))
 406       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 407     (with-temp-buffer                   ; to keep raw buffer unibyte.
 408       (elmo-set-buffer-multibyte default-enable-multibyte-characters)
 409       (setq newsgroups (wl-parse newsgroups
 410                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 411             newsgroups (wl-delete-duplicates newsgroups)
 412             newsgroups
 413             (if newsgroups
 414                 (mapconcat
 415                  (lambda (grp)
 416                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 417                    (if decoder (funcall decoder grp) grp))
 418                  newsgroups ","))))
 419     (setq to (wl-delete-duplicates to nil t))
 420     (setq cc (wl-delete-duplicates
 421               (append (wl-delete-duplicates cc nil t)
 422                       to (copy-sequence to))
 423               t t))
 424     (and to (setq to (mapconcat
 425                       '(lambda (addr)
 426                          (if wl-draft-reply-use-address-with-full-name
 427                              (or (cdr (assoc addr to-alist)) addr)
 428                            addr))
 429                       to ",\n\t")))
 430     (and cc (setq cc (mapconcat
 431                       '(lambda (addr)
 432                          (if wl-draft-reply-use-address-with-full-name
 433                              (or (cdr (assoc addr cc-alist)) addr)
 434                            addr))
 435                       cc ",\n\t")))
 436     (and mail-followup-to
 437          (setq mail-followup-to
 438                (mapconcat
 439                 '(lambda (addr)
 440                    (if wl-draft-reply-use-address-with-full-name
 441                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 442                      addr))
 443                 mail-followup-to ",\n\t")))
 444     (and (null to) (setq to cc cc nil))
 445     (setq references (delq nil references)
 446           references (mapconcat 'identity references " ")
 447           references (wl-draft-parse-msg-id-list-string references)
 448           references (wl-delete-duplicates references)
 449           references (if references
 450                          (mapconcat 'identity references "\n\t")))
 451     (and wl-draft-use-frame
 452          (get-buffer-window summary-buf)
 453          (select-window (get-buffer-window summary-buf)))
 454     (wl-draft (list (cons 'To to)
 455                     (cons 'Cc cc)
 456                     (cons 'Newsgroups newsgroups)
 457                     (cons 'Subject subject)
 458                     (cons 'In-Reply-To in-reply-to)
 459                     (cons 'References references)
 460                     (cons 'Mail-Followup-To mail-followup-to))
 461               nil nil nil nil parent-folder)
 462     (setq wl-draft-parent-number number)
 463     (setq wl-draft-reply-buffer buf)
 464     (setq wl-draft-config-variables
 465           (append wl-draft-reply-saved-variables
 466                   wl-draft-config-variables)))
 467   (run-hooks 'wl-reply-hook))
 468
 469 (defun wl-draft-reply-position (position)
 470   (cond ((eq position 'body)
 471          (wl-draft-body-goto-top))
 472         ((eq position 'bottom)
 473          (wl-draft-body-goto-bottom))
 474         ((eq position 'top)
 475          (goto-char (point-min)))
 476         ((and (stringp position)
 477               (std11-field-body position))
 478          (progn (mail-position-on-field position)
 479                 (wl-draft-beginning-of-line)))
 480         ((listp position)
 481          (while (car position)
 482            (wl-draft-reply-position (car position))
 483            (setq position (cdr position))))))
 484
 485 (defun wl-draft-add-references ()
 486   (wl-draft-add-in-reply-to "References"))
 487
 488 (defun wl-draft-add-in-reply-to (&optional alt-field)
 489   (let* ((mes-id (save-excursion
 490                    (set-buffer mail-reply-buffer)
 491                    (std11-field-body "message-id")))
 492          (field (or alt-field "In-Reply-To"))
 493          (ref (std11-field-body field))
 494          (ref-list nil) (st nil))
 495     (when (and mes-id ref)
 496       (while (string-match "<[^>]+>" ref st)
 497         (setq ref-list
 498               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 499                     ref-list)))
 500       (when (and ref-list
 501                  (member mes-id ref-list))
 502         (setq mes-id nil)))
 503     (when mes-id
 504       (save-excursion
 505         (when (mail-position-on-field field)
 506           (forward-line)
 507           (while (looking-at "^[ \t]")
 508             (forward-line))
 509           (setq mes-id (concat "\t" mes-id "\n")))
 510         (insert mes-id))
 511       t)))
 512
 513 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 514                                              &optional ignored-fields)
 515   (interactive)
 516   (save-restriction
 517     (narrow-to-region (point)(point))
 518     (insert
 519      (with-current-buffer mail-reply-buffer
 520        (when decode-it
 521          (decode-mime-charset-region (point-min) (point-max)
 522                                      wl-mime-charset))
 523        (buffer-substring-no-properties
 524         (point-min) (point-max))))
 525     (when ignored-fields
 526       (goto-char (point-min))
 527       (wl-draft-delete-fields ignored-fields))
 528     (goto-char (point-max))
 529     (push-mark (point) nil t)
 530     (goto-char (point-min)))
 531   (let ((beg (point)))
 532     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 533           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 534           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 535     (run-hooks 'wl-draft-cited-hook)
 536     (when (if wl-draft-add-references
 537               (wl-draft-add-references)
 538             (if wl-draft-add-in-reply-to
 539                 (wl-draft-add-in-reply-to)))
 540       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 541     (when wl-highlight-body-too
 542       (wl-highlight-body-region beg (point-max)))))
 543
 544 (defun wl-message-news-p ()
 545   "If exist valid Newsgroups field, return non-nil."
 546   (std11-field-body "Newsgroups"))
 547
 548 (defun wl-message-field-exists-p (field)
 549   "If FIELD exist and FIELD value is not empty, return non-nil."
 550   (let ((value (std11-field-body field)))
 551     (and value
 552          (not (string= value "")))))
 553
 554 (defun wl-message-mail-p ()
 555   "If exist To, Cc or Bcc field, return non-nil."
 556   (or (wl-message-field-exists-p "To")
 557       (wl-message-field-exists-p "Resent-to")
 558       (wl-message-field-exists-p "Cc")
 559       (wl-message-field-exists-p "Bcc")
 560       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 561 ;;; This may be needed..
 562 ;;;   (wl-message-field-exists-p "Fcc")
 563       ))
 564
 565 (defun wl-draft-edit-string (string)
 566   (let ((cur-buf (current-buffer))
 567         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 568         to subject in-reply-to cc references newsgroups mail-followup-to
 569         content-type content-transfer-encoding from
 570         body-beg)
 571     (set-buffer tmp-buf)
 572     (erase-buffer)
 573     (insert string)
 574     (setq to (std11-field-body "To"))
 575     (setq to (and to
 576                   (eword-decode-string
 577                    (decode-mime-charset-string
 578                     to
 579                     wl-mime-charset))))
 580     (setq subject (std11-field-body "Subject"))
 581     (setq subject (and subject
 582                        (eword-decode-string
 583                         (decode-mime-charset-string
 584                          subject
 585                          wl-mime-charset))))
 586     (setq from (std11-field-body "From")
 587           from (and from
 588                     (eword-decode-string
 589                      (decode-mime-charset-string
 590                       from
 591                       wl-mime-charset))))
 592     (setq in-reply-to (std11-field-body "In-Reply-To"))
 593     (setq cc (std11-field-body "Cc"))
 594     (setq cc (and cc
 595                   (eword-decode-string
 596                    (decode-mime-charset-string
 597                     cc
 598                     wl-mime-charset))))
 599     (setq references (std11-field-body "References"))
 600     (setq newsgroups (std11-field-body "Newsgroups"))
 601     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 602     (setq content-type (std11-field-body "Content-Type"))
 603     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 604     (goto-char (point-min))
 605     (or (re-search-forward "\n\n" nil t)
 606         (search-forward (concat mail-header-separator "\n") nil t))
 607     (unwind-protect
 608         (set-buffer
 609          (wl-draft (list
 610                     (cons 'From
 611                           (if (member
 612                                (nth 1 (std11-extract-address-components from))
 613                                wl-user-mail-address-list)
 614                               from))
 615                     (cons 'To to)
 616                     (cons 'Cc cc)
 617                     (cons 'Subject subject)
 618                     (cons 'Newsgroups newsgroups)
 619                     (cons 'Mail-Followup-To mail-followup-to)
 620                     (cons 'In-Reply-To in-reply-to)
 621                     (cons 'References references))
 622                    content-type content-transfer-encoding
 623                    (buffer-substring (point) (point-max))
 624                    'edit-again))
 625       (kill-buffer tmp-buf))
 626     ;; Set cursor point to the top.
 627     (goto-char (point-min))
 628     (search-forward (concat mail-header-separator "\n") nil t)
 629     (run-hooks 'wl-draft-reedit-hook)
 630     (and to (mail-position-on-field "To"))))
 631
 632 (defun wl-draft-insert-current-message (dummy)
 633   (interactive)
 634   (let (original-buffer
 635         mail-reply-buffer
 636         mail-citation-hook mail-yank-hooks
 637         wl-draft-add-references wl-draft-add-in-reply-to
 638         wl-draft-cite-function)
 639     (with-current-buffer wl-draft-buffer-cur-summary-buffer
 640       (with-current-buffer wl-message-buffer
 641         (setq original-buffer (wl-message-get-original-buffer))
 642         (if (zerop
 643              (with-current-buffer original-buffer
 644                (buffer-size)))
 645             (error "No current message"))))
 646     (setq mail-reply-buffer original-buffer)
 647     (wl-draft-yank-from-mail-reply-buffer
 648      nil
 649      wl-ignored-forwarded-headers)))
 650
 651 (defun wl-draft-insert-get-message (dummy)
 652   (let ((fld (completing-read
 653               "Folder name: "
 654               (if (memq 'read-folder wl-use-folder-petname)
 655                   (wl-folder-get-entity-with-petname)
 656                 wl-folder-entity-hashtb)
 657               nil nil wl-default-spec
 658               'wl-read-folder-history))
 659         (number (call-interactively
 660                  (function (lambda (num)
 661                              (interactive "nNumber: ")
 662                              num))))
 663         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 664         mail-citation-hook mail-yank-hooks
 665         wl-draft-cite-function)
 666     (unwind-protect
 667         (progn
 668           (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 669                               number
 670                               ;; No cache.
 671                               (elmo-make-fetch-strategy 'entire)
 672                               nil mail-reply-buffer)
 673           (wl-draft-yank-from-mail-reply-buffer nil))
 674       (kill-buffer mail-reply-buffer))))
 675
 676 ;;
 677 ;; default body citation func
 678 ;;
 679 (defun wl-default-draft-cite ()
 680   (let ((mail-yank-ignored-headers "[^:]+:")
 681         (mail-yank-prefix "> ")
 682         date from cite-title)
 683     (save-restriction
 684       (if (< (mark t) (point))
 685           (exchange-point-and-mark))
 686       (narrow-to-region (point)(point-max))
 687       (setq date (std11-field-body "date")
 688             from (std11-field-body "from")))
 689     (when (or date from)
 690       (insert (format "At %s,\n%s wrote:\n"
 691                       (or date "some time ago")
 692                       (if wl-default-draft-cite-decorate-author
 693                           (funcall wl-summary-from-function
 694                                    (or from "you"))
 695                         (or from "you")))))
 696     (mail-indent-citation)))
 697
 698 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 699 (defun wl-draft-yank-to-draft-buffer (buffer)
 700   "Yank BUFFER content to `wl-draft-buffer'."
 701   (set-buffer wl-draft-buffer)
 702   (let ((mail-reply-buffer buffer))
 703     (wl-draft-yank-from-mail-reply-buffer nil)
 704     (kill-buffer buffer)))
 705
 706 (defun wl-draft-yank-original (&optional arg)
 707   "Yank original message."
 708   (interactive "P")
 709   (if arg
 710       (let (buf mail-reply-buffer)
 711         (elmo-set-work-buf
 712          (insert "\n")
 713          (yank)
 714          (setq buf (current-buffer)))
 715         (setq mail-reply-buffer buf)
 716         (wl-draft-yank-from-mail-reply-buffer nil))
 717     (wl-draft-yank-current-message-entity)))
 718
 719 (defun wl-draft-hide (editing-buffer)
 720   "Hide the editing draft buffer if possible."
 721   (when (and editing-buffer
 722              (buffer-live-p editing-buffer)
 723              (get-buffer-window editing-buffer))
 724     (select-window (get-buffer-window editing-buffer))
 725     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 726           fld-buf sum-win fld-win)
 727       (if (and wl-draft-use-frame
 728                (> (length (visible-frame-list)) 1))
 729           ;; hide draft frame
 730           (delete-frame)
 731         ;; hide draft window
 732         (or (one-window-p)
 733             (delete-window))
 734         ;; stay folder window if required
 735         (when wl-stay-folder-window
 736           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 737               (if (setq fld-win (get-buffer-window fld-buf))
 738                   (select-window fld-win)
 739                 (if wl-draft-resume-folder-window ;; resume folder window
 740                     (switch-to-buffer fld-buf)))))
 741         (if (buffer-live-p sum-buf)
 742             (if (setq sum-win (get-buffer-window sum-buf t))
 743                 ;; if Summary is on the frame, select it.
 744                 (select-window sum-win)
 745               ;; if summary is not on the frame, switch to it.
 746               (if (and wl-stay-folder-window
 747                        (or wl-draft-resume-folder-window fld-win))
 748                   (wl-folder-select-buffer sum-buf)
 749                 (switch-to-buffer sum-buf))))))))
 750
 751 (defun wl-draft-delete (editing-buffer)
 752   "Kill the editing draft buffer and delete the file corresponds to it."
 753   (save-excursion
 754     (when editing-buffer
 755       (set-buffer editing-buffer)
 756       (when wl-draft-buffer-message-number
 757         (elmo-folder-delete-messages (wl-draft-get-folder)
 758                                      (list
 759                                       wl-draft-buffer-message-number))
 760         (wl-draft-config-info-operation wl-draft-buffer-message-number
 761                                         'delete))
 762       (set-buffer-modified-p nil)               ; force kill
 763       (kill-buffer editing-buffer))))
 764
 765 (defun wl-draft-kill (&optional force-kill)
 766   "Kill current draft buffer and quit editing."
 767   (interactive "P")
 768   (save-excursion
 769     (when (and (or (eq major-mode 'wl-draft-mode)
 770                    (eq major-mode 'mail-mode))
 771                (or force-kill
 772                    (yes-or-no-p "Kill Current Draft? ")))
 773       (let ((cur-buf (current-buffer)))
 774         (when (and wl-draft-parent-number
 775                    (not (string= wl-draft-parent-folder "")))
 776           (let* ((number wl-draft-parent-number)
 777                  (folder-name wl-draft-parent-folder)
 778                  (folder (wl-folder-get-elmo-folder folder-name))
 779                  buffer)
 780             (if (and (setq buffer (wl-summary-get-buffer folder-name))
 781                      (with-current-buffer buffer
 782                        (string= (wl-summary-buffer-folder-name)
 783                                 folder-name)))
 784                 (with-current-buffer buffer
 785                   (elmo-folder-unset-flag folder (list number) 'answered)
 786                   (when (wl-summary-jump-to-msg number)
 787                     (wl-summary-update-persistent-mark)))
 788               (elmo-folder-open folder 'load-msgdb)
 789               (elmo-folder-unset-flag folder (list number) 'answered)
 790               (elmo-folder-close folder))))
 791         (wl-draft-hide cur-buf)
 792         (wl-draft-delete cur-buf)))
 793     (message "")))
 794
 795 (defun wl-draft-fcc ()
 796   "Add a new Fcc field, with file name completion."
 797   (interactive)
 798   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 799       (mail-position-on-field "to"))
 800   (insert "\nFcc: "))
 801
 802 ;; Imported from message.el.
 803 (defun wl-draft-elide-region (b e)
 804   "Elide the text in the region.
 805 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 806 text was killed."
 807   (interactive "r")
 808   (kill-region b e)
 809   (insert wl-draft-elide-ellipsis))
 810
 811 ;; Imported from message.el.
 812 (defun wl-draft-beginning-of-line (&optional n)
 813   "Move point to beginning of header value or to beginning of line."
 814   (interactive "p")
 815   (let ((zrs 'zmacs-region-stays))
 816     (when (and (interactive-p) (boundp zrs))
 817       (set zrs t)))
 818   (if (wl-draft-point-in-header-p)
 819       (let* ((here (point))
 820              (bol (progn (beginning-of-line n) (point)))
 821              (eol (line-end-position))
 822              (eoh (and (looking-at "[^ \t]")
 823                        (re-search-forward ": *" eol t))))
 824         (if (and eoh (or (> here eoh) (= here bol)))
 825             (goto-char eoh)
 826           (goto-char bol)))
 827     (beginning-of-line n)))
 828
 829 (defun wl-draft-point-in-header-p ()
 830   "Return t if point is in the header."
 831   (save-excursion
 832     (let ((p (point)))
 833       (goto-char (point-min))
 834       (not (re-search-forward
 835             (concat "^" (regexp-quote mail-header-separator) "\n")
 836             p t)))))
 837
 838 ;; function for wl-sent-message-via
 839
 840 (defmacro wl-draft-sent-message-p (type)
 841   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 842
 843 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 844   (` (let ((element (assq (, type) wl-sent-message-via)))
 845        (if element
 846            (unless (eq (nth 1 element) (, result))
 847              (setcdr element (list (, result) (, server-port)))
 848              (setq wl-sent-message-modified t))
 849          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 850          (setq wl-sent-message-modified t)))))
 851
 852 (defun wl-draft-sent-message-results ()
 853   (let ((results wl-sent-message-via)
 854         unplugged-via sent-via)
 855     (while results
 856       (cond ((eq (nth 1 (car results)) 'unplugged)
 857              (push (caar results) unplugged-via))
 858             ((eq (nth 1 (car results)) 'sent)
 859              (push (caar results) sent-via)))
 860       (setq results (cdr results)))
 861     (list unplugged-via sent-via)))
 862
 863 (defun wl-draft-write-sendlog (status proto server to id)
 864   "Write send log file, if `wl-draft-sendlog' is non-nil."
 865   (when wl-draft-sendlog
 866     (with-temp-buffer
 867       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 868                                          elmo-msgdb-directory))
 869              (filesize (nth 7 (file-attributes filename)))
 870              (server (if server (concat " server=" server) ""))
 871              (to (if to (cond
 872                          ((memq proto '(fcc queue))
 873                           (format " folder=\"%s\"" to))
 874                          ((eq proto 'nntp)
 875                           (format " ng=<%s>" to))
 876                          (t
 877                           (concat " to="
 878                                   (mapconcat
 879                                    'identity
 880                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 881                                    ","))))
 882                    ""))
 883              (id (if id (concat " id=" id) ""))
 884              (time (format-time-string "%Y/%m/%d %T")))
 885         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 886                         time proto status server to id))
 887         (if (and wl-draft-sendlog-max-size filesize
 888                  (> filesize wl-draft-sendlog-max-size))
 889             (rename-file filename (concat filename ".old") t))
 890         (if (file-writable-p filename)
 891             (write-region-as-binary (point-min) (point-max)
 892                                     filename t 'no-msg)
 893           (message "%s is not writable." filename))))))
 894
 895 (defun wl-draft-get-header-delimiter (&optional delete)
 896   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 897   (let (delimline)
 898     (goto-char (point-min))
 899     (when (re-search-forward
 900            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 901       (replace-match "")
 902       (if delete
 903           (forward-char -1))
 904       (setq delimline (point-marker)))
 905     delimline))
 906
 907 (defun wl-draft-send-mail-with-qmail ()
 908   "Pass the prepared message buffer to qmail-inject.
 909 Refer to the documentation for the variable `send-mail-function'
 910 to find out how to use this."
 911   (if (and wl-draft-qmail-send-plugged
 912            (not (elmo-plugged-p)))
 913       (wl-draft-set-sent-message 'mail 'unplugged)
 914     ;; send the message
 915     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 916     (let ((id (std11-field-body "Message-ID"))
 917           (to (std11-field-body "To")))
 918       (case
 919           (as-binary-process
 920            (apply
 921             'call-process-region 1 (point-max) wl-qmail-inject-program
 922             nil nil nil
 923             wl-qmail-inject-args))
 924         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 925         ;; we have to look at the retval instead
 926         (0   (progn
 927                (wl-draft-set-sent-message 'mail 'sent)
 928                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 929         (1   (error "`qmail-inject' reported permanent failure"))
 930         (111 (error "`qmail-inject' reported transient failure"))
 931         ;; should never happen
 932         (t   (error "`qmail-inject' reported unknown failure"))))))
 933
 934 (defun wl-draft-parse-msg-id-list-string (string)
 935   "Get msg-id list from STRING."
 936   (let (msg-id-list)
 937     (dolist (parsed-id (std11-parse-msg-ids-string string))
 938       (when (eq (car parsed-id) 'msg-id)
 939         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 940                                 msg-id-list))))
 941     (nreverse msg-id-list)))
 942
 943 (defun wl-draft-eword-encode-address-list (string &optional column)
 944   "Encode header field STRING as list of address, and return the result.
 945 Cause an error when STRING contains invalid address.
 946 Optional argument COLUMN is start-position of the field."
 947   (car (eword-encode-rword-list
 948         (or column eword-encode-default-start-column)
 949         (eword-encode-addresses-to-rword-list
 950          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 951
 952 (defun wl-draft-std11-parse-addresses (lal)
 953   (let ((ret (std11-parse-address lal)))
 954     (when (and (not (and (eq (length lal) 1)
 955                          (eq (car (car lal)) 'spaces)))
 956                (null ret))
 957       (error "Error while parsing address"))
 958     (if ret
 959         (let ((dest (list (car ret))))
 960           (setq lal (cdr ret))
 961           (while (and (setq ret (std11-parse-ascii-token lal))
 962                       (string-equal (cdr (assq 'specials (car ret))) ",")
 963                       (setq ret (std11-parse-address (cdr ret)))
 964                       )
 965             (setq dest (cons (car ret) dest))
 966             (setq lal (cdr ret)))
 967           (while (eq 'spaces (car (car lal)))
 968             (setq lal (cdr lal)))
 969           (if lal (error "Error while parsing address"))
 970           (nreverse dest)))))
 971
 972 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 973   "Get mailbox list of FIELD from current buffer.
 974 The buffer is expected to be narrowed to just the headers of the message.
 975 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 976 from current buffer."
 977   (save-excursion
 978     (let ((case-fold-search t)
 979           (inhibit-read-only t)
 980           addresses address
 981           mailbox-list beg seq has-group-list)
 982       (goto-char (point-min))
 983       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 984                                 nil t)
 985         (setq beg (point))
 986         (re-search-forward "^[^ \t]" nil 'move)
 987         (beginning-of-line)
 988         (skip-chars-backward "\n")
 989         (setq seq (std11-lexical-analyze
 990                    (buffer-substring-no-properties beg (point))))
 991         (setq addresses (wl-draft-std11-parse-addresses seq))
 992         (while addresses
 993           (cond ((eq (car (car addresses)) 'group)
 994                  (setq has-group-list t)
 995                  (setq mailbox-list
 996                        (nconc mailbox-list
 997                               (mapcar
 998                                'std11-address-string
 999                                (nth 2 (car addresses))))))
1000                 ((eq (car (car addresses)) 'mailbox)
1001                  (setq address (nth 1 (car addresses)))
1002                  (setq mailbox-list
1003                        (nconc mailbox-list
1004                               (list
1005                                (std11-addr-to-string
1006                                 (if (eq (car address) 'phrase-route-addr)
1007                                     (nth 2 address)
1008                                   (cdr address))))))))
1009           (setq addresses (cdr addresses)))
1010         (when (and remove-group-list has-group-list)
1011           (delete-region beg (point))
1012           (insert (wl-address-string-without-group-list-contents seq))))
1013       mailbox-list)))
1014
1015 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1016   "Get address list suitable for smtp RCPT TO:<address>.
1017 Group list content is removed if `wl-draft-remove-group-list-contents' is
1018 non-nil."
1019   (let ((fields (if (and wl-draft-doing-mime-bcc
1020                          wl-draft-disable-bcc-for-mime-bcc)
1021                     '("to" "cc")
1022                   '("to" "cc" "bcc")))
1023         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1024         (case-fold-search t)
1025         addrs recipients)
1026     (save-excursion
1027       (save-restriction
1028         (narrow-to-region header-start header-end)
1029         (goto-char (point-min))
1030         (save-excursion
1031           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1032               (setq fields resent-fields)))
1033         (while fields
1034           (setq recipients
1035                 (nconc recipients
1036                        (wl-draft-parse-mailbox-list
1037                         (car fields)
1038                         wl-draft-remove-group-list-contents)))
1039           (setq fields (cdr fields)))
1040         recipients))))
1041
1042 ;;
1043 ;; from Semi-gnus
1044 ;;
1045 (defun wl-draft-send-mail-with-smtp ()
1046   "Send the prepared message buffer with SMTP."
1047   (require 'smtp)
1048   (let* ((errbuf (if mail-interactive
1049                      (generate-new-buffer " smtp errors")
1050                    0))
1051          (case-fold-search t)
1052          (default-case-fold-search t)
1053          (sender (or wl-envelope-from
1054                      (wl-address-header-extract-address wl-from)))
1055          (delimline (save-excursion
1056                       (goto-char (point-min))
1057                       (re-search-forward
1058                        (concat "^" (regexp-quote mail-header-separator)
1059                                "$\\|^$") nil t)
1060                       (point-marker)))
1061          (smtp-server
1062           (or wl-smtp-posting-server smtp-server "localhost"))
1063          (smtp-service (or wl-smtp-posting-port smtp-service))
1064          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1065          (id (std11-field-body "message-id"))
1066          recipients)
1067     (if (not (elmo-plugged-p smtp-server smtp-service))
1068         (wl-draft-set-sent-message 'mail 'unplugged
1069                                    (cons smtp-server smtp-service))
1070       (unwind-protect
1071           (save-excursion
1072             ;; Instead of `smtp-deduce-address-list'.
1073             (setq recipients (wl-draft-deduce-address-list
1074                               (current-buffer) (point-min) delimline))
1075             (unless recipients (error "No recipients"))
1076             ;; Insert an extra newline if we need it to work around
1077             ;; Sun's bug that swallows newlines.
1078             (goto-char (1+ delimline))
1079             (if (eval mail-mailer-swallows-blank-line)
1080                 (newline))
1081             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1082             (if mail-interactive
1083                 (save-excursion
1084                   (set-buffer errbuf)
1085                   (erase-buffer)))
1086             (wl-draft-delete-field "bcc" delimline)
1087             (wl-draft-delete-field "resent-bcc" delimline)
1088             (let (process-connection-type)
1089               (as-binary-process
1090                (when recipients
1091                  (wl-smtp-extension-bind
1092                   (condition-case err
1093                       (smtp-send-buffer sender recipients (current-buffer))
1094                     (error
1095                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1096                                              recipients id)
1097                      (if (and (eq (car err) 'smtp-response-error)
1098                               (= (nth 1 err) 535))
1099                          (elmo-remove-passwd
1100                           (wl-smtp-password-key
1101                            smtp-sasl-user-name
1102                            (car smtp-sasl-mechanisms)
1103                            smtp-server)))
1104                      (signal (car err) (cdr err)))
1105                     (quit
1106                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1107                                              recipients id)
1108                      (signal (car err) (cdr err)))))
1109                  (wl-draft-set-sent-message 'mail 'sent)
1110                  (wl-draft-write-sendlog
1111                   'ok 'smtp smtp-server recipients id)))))
1112         (if (bufferp errbuf)
1113             (kill-buffer errbuf))))))
1114
1115 (defun wl-draft-send-mail-with-pop-before-smtp ()
1116   "Send the prepared message buffer with POP-before-SMTP."
1117   (require 'elmo-pop3)
1118   (let ((session
1119          (luna-make-entity
1120           'elmo-pop3-folder
1121           :user   (or wl-pop-before-smtp-user
1122                       elmo-pop3-default-user)
1123           :server (or wl-pop-before-smtp-server
1124                       elmo-pop3-default-server)
1125           :port   (or wl-pop-before-smtp-port
1126                       elmo-pop3-default-port)
1127           :auth   (or wl-pop-before-smtp-authenticate-type
1128                       elmo-pop3-default-authenticate-type)
1129           :stream-type (or wl-pop-before-smtp-stream-type
1130                            elmo-pop3-default-stream-type))))
1131     (condition-case error
1132         (progn
1133           (elmo-pop3-get-session session)
1134           (when session (elmo-network-close-session session)))
1135       (error
1136        (elmo-network-close-session session)
1137        (unless (string= (nth 1 error) "Unplugged")
1138          (signal (car error)(cdr error))))))
1139   (wl-draft-send-mail-with-smtp))
1140
1141 (defun wl-draft-insert-required-fields (&optional force-msgid)
1142   "Insert Message-ID, Date, and From field.
1143 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1144   ;; Insert Message-Id field...
1145   (goto-char (point-min))
1146   (when (and (or force-msgid
1147                  wl-insert-message-id)
1148              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1149     (insert (concat "Message-ID: "
1150                     (funcall wl-message-id-function)
1151                     "\n")))
1152   ;; Insert date field.
1153   (goto-char (point-min))
1154   (or (re-search-forward "^Date[ \t]*:" nil t)
1155       (wl-draft-insert-date-field))
1156   ;; Insert from field.
1157   (goto-char (point-min))
1158   (or (re-search-forward "^From[ \t]*:" nil t)
1159       (wl-draft-insert-from-field)))
1160
1161 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1162   "Send the message in the current buffer."
1163   (save-restriction
1164     (narrow-to-region (goto-char (point-min))
1165                       (if (re-search-forward
1166                            (concat
1167                             "^" (regexp-quote mail-header-separator) "$")
1168                            nil t)
1169                           (match-beginning 0)
1170                         (point-max)))
1171     (wl-draft-insert-required-fields)
1172     ;; ignore any blank lines in the header
1173     (while (progn (goto-char (point-min))
1174                   (re-search-forward "\n[ \t]*\n\n*" nil t))
1175       (replace-match "\n"))
1176     (goto-char (point-min))
1177     (while (re-search-forward
1178             "^[^ \t\n:]+:[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n"
1179             nil t)
1180       (when (string= "" (match-string 1))
1181         (replace-match ""))))
1182 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1183   (wl-draft-dispatch-message)
1184   (when kill-when-done
1185     ;; hide editing-buffer.
1186     (wl-draft-hide editing-buffer)
1187     ;; delete editing-buffer and its file.
1188     (wl-draft-delete editing-buffer)))
1189
1190 (defun wl-draft-dispatch-message (&optional mes-string)
1191   "Send the message in the current buffer.  Not modified the header fields."
1192   (let (delimline mime-bcc)
1193     (if (and wl-draft-verbose-send mes-string)
1194         (message "%s" mes-string))
1195     ;; get fcc folders.
1196     (setq delimline (wl-draft-get-header-delimiter t))
1197     (unless wl-draft-fcc-list
1198       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1199     ;;
1200     (setq wl-sent-message-modified nil)
1201     (unwind-protect
1202         (progn
1203           (if (and (wl-message-mail-p)
1204                    (not (wl-draft-sent-message-p 'mail)))
1205               (if (or (not (or wl-draft-force-queuing
1206                                wl-draft-force-queuing-mail))
1207                       (memq 'mail wl-sent-message-queued))
1208                   (progn
1209                     (setq mime-bcc (wl-draft-mime-bcc-field))
1210                     (funcall wl-draft-send-mail-function)
1211                     (when (not (zerop (length mime-bcc)))
1212                       (wl-draft-do-mime-bcc mime-bcc)))
1213                 (push 'mail wl-sent-message-queued)
1214                 (wl-draft-set-sent-message 'mail 'unplugged)))
1215           (if (and (wl-message-news-p)
1216                    (not (wl-draft-sent-message-p 'news))
1217                    (not (wl-message-field-exists-p "Resent-to")))
1218               (if (or (not (or wl-draft-force-queuing
1219                                wl-draft-force-queuing-news))
1220                       (memq 'news wl-sent-message-queued))
1221                   (funcall wl-draft-send-news-function)
1222                 (push 'news wl-sent-message-queued)
1223                 (wl-draft-set-sent-message 'news 'unplugged))))
1224       (let* ((status (wl-draft-sent-message-results))
1225              (unplugged-via (car status))
1226              (sent-via (nth 1 status)))
1227         ;; If one sent, process fcc folder.
1228         (if (and sent-via wl-draft-fcc-list)
1229             (progn
1230               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1231                                wl-draft-fcc-list)
1232               (setq wl-draft-fcc-list nil)))
1233         (if wl-draft-use-cache
1234             (let ((id (std11-field-body "Message-ID"))
1235                   (elmo-enable-disconnected-operation t))
1236               (elmo-file-cache-save (elmo-file-cache-get-path id)
1237                                     nil)))
1238         ;; If one unplugged, append queue.
1239         (when (and unplugged-via
1240                    wl-sent-message-modified)
1241           (if wl-draft-enable-queuing
1242               (progn
1243                 (wl-draft-queue-append wl-sent-message-via)
1244                 (setq wl-sent-message-modified 'requeue))
1245             (error "Unplugged")))
1246         (when wl-draft-verbose-send
1247           (if (and unplugged-via sent-via);; combined message
1248               (progn
1249                 (setq wl-draft-verbose-msg
1250                       (format "Sending%s and Queuing%s..."
1251                               sent-via unplugged-via))
1252                 (message "%sdone" wl-draft-verbose-msg))
1253             (if mes-string
1254                 (message "%s%s"
1255                          mes-string
1256                          (if sent-via "done" "failed"))))))))
1257   (not wl-sent-message-modified)) ;; return value
1258
1259 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1260   "Force send current buffer as raw message."
1261   (interactive)
1262   (save-excursion
1263     (let (wl-interactive-send
1264 ;;;       wl-draft-verbose-send
1265           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1266           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1267           mail-send-hook
1268           mail-send-actions)
1269       (wl-draft-send kill-when-done mes-string))))
1270
1271 (defun wl-draft-clone-local-variables ()
1272   (let ((locals (buffer-local-variables))
1273         result)
1274     (while locals
1275       (when (and (consp (car locals))
1276                  (car (car locals))
1277                  (string-match wl-draft-clone-local-variable-regexp
1278                                (symbol-name (car (car locals)))))
1279         (wl-append result (list (car (car locals)))))
1280       (setq locals (cdr locals)))
1281     result))
1282
1283 (defcustom wl-draft-send-confirm-with-preview t
1284   "Non-nil to invoke preview through confirmation of sending.
1285 This variable is valid when `wl-interactive-send' has non-nil value."
1286   :type 'boolean
1287   :group 'wl-draft)
1288
1289 (defun wl-draft-send-confirm ()
1290   (let (answer)
1291     (unwind-protect
1292         (condition-case quit
1293             (progn
1294               (when wl-draft-send-confirm-with-preview
1295                 (wl-draft-preview-message))
1296               (save-excursion
1297                 (goto-char (point-min)) ; to show recipients in header
1298                 (catch 'done
1299                   (while t
1300                     (discard-input)
1301                     (message "Send current draft? <y/n/j(down)/k(up)> ")
1302                     (setq answer (let ((cursor-in-echo-area t)) (read-char)))
1303                     (cond
1304                      ((or (eq answer ?y)
1305                           (eq answer ?Y)
1306                           (eq answer ? ))
1307                   (throw 'done t))
1308                      ((or (eq answer ?v)
1309                           (eq answer ?j)
1310                           (eq answer ?J))
1311                       (condition-case err
1312                           (scroll-up)
1313                         (error nil)))
1314                      ((or (eq answer ?^)
1315                           (eq answer ?k)
1316                           (eq answer ?K))
1317                       (condition-case err
1318                           (scroll-down)
1319                         (error nil)))
1320                      (t
1321                       (throw 'done nil)))))))
1322           (quit nil))
1323       (when wl-draft-send-confirm-with-preview
1324         (mime-preview-quit)))))
1325
1326 (defun wl-draft-send (&optional kill-when-done mes-string)
1327   "Send current draft message.
1328 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1329   (interactive)
1330   ;; Don't call this explicitly.
1331   ;; Added to 'wl-draft-send-hook (by teranisi)
1332   ;; (wl-draft-config-exec)
1333   (run-hooks 'wl-draft-send-hook)
1334   (when (or (not wl-interactive-send)
1335             (wl-draft-send-confirm))
1336     (let ((send-mail-function 'wl-draft-raw-send)
1337           (editing-buffer (current-buffer))
1338           (sending-buffer (wl-draft-generate-clone-buffer
1339                            " *wl-draft-sending-buffer*"
1340                            (append wl-draft-config-variables
1341                                    (wl-draft-clone-local-variables))))
1342           (wl-draft-verbose-msg nil)
1343           err)
1344       (unwind-protect
1345           (save-excursion
1346             (set-buffer sending-buffer)
1347             (if (and (not (wl-message-mail-p))
1348                      (not (wl-message-news-p)))
1349                 (error "No recipient is specified"))
1350             (expand-abbrev)             ; for mail-abbrevs
1351             (let ((mime-header-encode-method-alist
1352                    (append
1353                     '((wl-draft-eword-encode-address-list
1354                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1355                     (if (boundp 'mime-header-encode-method-alist)
1356                         (symbol-value 'mime-header-encode-method-alist)))))
1357               (run-hooks 'mail-send-hook) ; translate buffer
1358               )
1359             ;;
1360             (if wl-draft-verbose-send
1361                 (message "%s" (or mes-string "Sending...")))
1362             (funcall wl-draft-send-function editing-buffer kill-when-done)
1363             ;; Now perform actions on successful sending.
1364             (while mail-send-actions
1365               (condition-case ()
1366                   (apply (car (car mail-send-actions))
1367                          (cdr (car mail-send-actions)))
1368                 (error))
1369               (setq mail-send-actions (cdr mail-send-actions)))
1370             (if wl-draft-verbose-send
1371                 (message "%sdone"
1372                          (or wl-draft-verbose-msg
1373                              mes-string
1374                              "Sending..."))))
1375         ;; kill sending buffer, anyway.
1376         (and (buffer-live-p sending-buffer)
1377              (kill-buffer sending-buffer))))))
1378
1379 (defun wl-draft-mime-bcc-field ()
1380   "Return the MIME-Bcc field body.  The field is deleted."
1381   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1382     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1383
1384 (defun wl-draft-do-mime-bcc (field-body)
1385   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1386   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1387                                            'From))
1388         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1389                                                "")
1390                                            'Subject))
1391         (recipients (wl-parse-addresses field-body))
1392         (draft-buffer (current-buffer))
1393         wl-draft-use-frame)
1394     (save-window-excursion
1395       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1396                  (not (zerop (length field-body))))
1397         (let ((wl-draft-doing-mime-bcc t))
1398           (dolist (recipient recipients)
1399             (wl-draft-create-buffer)
1400             (wl-draft-create-contents
1401              (append `((From . ,orig-from)
1402                        (To . ,recipient)
1403                        (Subject . ,(concat "A blind carbon copy ("
1404                                            orig-subj
1405                                            ")")))
1406                      (wl-draft-default-headers)))
1407             (wl-draft-insert-mail-header-separator)
1408             (wl-draft-prepare-edit)
1409             (goto-char (point-max))
1410             (insert (or wl-draft-mime-bcc-body
1411                         "This is a blind carbon copy.")
1412                     "\n")
1413             (mime-edit-insert-tag "message" "rfc822")
1414             (insert-buffer draft-buffer)
1415             (let (wl-interactive-send)
1416               (wl-draft-send 'kill-when-done))))))))
1417
1418 (defun wl-draft-save ()
1419   "Save current draft."
1420   (interactive)
1421   (if (buffer-modified-p)
1422       (progn
1423         (message "Saving...")
1424         (let ((msg (buffer-substring-no-properties (point-min) (point-max)))
1425               next-number)
1426           (when wl-draft-buffer-message-number
1427             (elmo-folder-delete-messages (wl-draft-get-folder)
1428                                          (list wl-draft-buffer-message-number))
1429             (wl-draft-config-info-operation wl-draft-buffer-message-number
1430                                             'delete))
1431           (elmo-folder-check (wl-draft-get-folder))
1432           ;; If no header separator, insert it.
1433           (with-temp-buffer
1434             (insert msg)
1435             (goto-char (point-min))
1436             (unless (re-search-forward
1437                      (concat "^" (regexp-quote mail-header-separator) "$")
1438                      nil t)
1439               (goto-char (point-min))
1440               (if (re-search-forward "\n\n" nil t)
1441                   (replace-match (concat "\n" mail-header-separator "\n"))
1442                 (goto-char (point-max))
1443                 (insert (if (eq (char-before) ?\n) "" "\n")
1444                         mail-header-separator "\n")))
1445             (let ((mime-header-encode-method-alist
1446                    '((eword-encode-unstructured-field-body))))
1447               (mime-edit-translate-buffer))
1448             (wl-draft-get-header-delimiter t)
1449             (setq next-number
1450                   (elmo-folder-next-message-number (wl-draft-get-folder)))
1451             (elmo-folder-append-buffer (wl-draft-get-folder)))
1452           (elmo-folder-check (wl-draft-get-folder))
1453           (elmo-folder-commit (wl-draft-get-folder))
1454           (setq wl-draft-buffer-message-number next-number)
1455           (rename-buffer (format "%s/%d" wl-draft-folder next-number))
1456           (setq buffer-file-name (buffer-name))
1457           (set-buffer-modified-p nil)
1458           (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
1459           (message "Saving...done")))
1460     (message "(No changes need to be saved)")))
1461
1462 (defun wl-draft-mimic-kill-buffer ()
1463   "Kill the current (draft) buffer with query."
1464   (interactive)
1465   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1466                                       (buffer-name))))
1467         wl-draft-use-frame)
1468     (if (or (not bufname)
1469             (string-equal bufname "")
1470             (string-equal bufname (buffer-name)))
1471         (let ((bufname (current-buffer)))
1472           (when (or (not (buffer-modified-p))
1473                     (yes-or-no-p
1474                      (format "Buffer %s modified; kill anyway? " bufname)))
1475             (set-buffer-modified-p nil)
1476             (wl-draft-hide bufname)
1477             (kill-buffer bufname)))
1478       (kill-buffer bufname))))
1479
1480 (defun wl-draft-save-and-exit ()
1481   "Save current draft and exit current draft mode."
1482   (interactive)
1483   (wl-draft-save)
1484   (let ((editing-buffer (current-buffer)))
1485     (wl-draft-hide editing-buffer)
1486     (kill-buffer editing-buffer)))
1487
1488 (defun wl-draft-send-and-exit ()
1489   "Send current draft message and kill it."
1490   (interactive)
1491   (wl-draft-send t))
1492
1493 (defun wl-draft-send-from-toolbar ()
1494   (interactive)
1495   (let ((wl-interactive-send t))
1496     (wl-draft-send-and-exit)))
1497
1498 (defun wl-draft-delete-field (field &optional delimline replace)
1499   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1500
1501 (defun wl-draft-delete-fields (field &optional delimline replace)
1502   (save-restriction
1503     (unless delimline
1504       (goto-char (point-min))
1505       (if (search-forward "\n\n" nil t)
1506           (setq delimline (point))
1507         (setq delimline (point-max))))
1508     (narrow-to-region (point-min) delimline)
1509     (goto-char (point-min))
1510     (let ((regexp (concat "^" field ":"))
1511           (case-fold-search t))
1512       (while (not (eobp))
1513         (if (looking-at regexp)
1514             (progn
1515               (delete-region
1516                (point)
1517                (progn
1518                  (forward-line 1)
1519                  (if (re-search-forward "^[^ \t]" nil t)
1520                      (goto-char (match-beginning 0))
1521                    (point-max))))
1522               (if replace
1523                   (insert (concat field ": " replace "\n"))))
1524           (forward-line 1)
1525           (if (re-search-forward "^[^ \t]" nil t)
1526               (goto-char (match-beginning 0))
1527             (point-max)))))))
1528
1529 (defun wl-draft-get-fcc-list (header-end)
1530   (if (and wl-draft-doing-mime-bcc
1531            wl-draft-disable-fcc-for-mime-bcc)
1532       (progn
1533         (wl-draft-delete-field "fcc")
1534         nil)
1535     (let (fcc-list
1536           (case-fold-search t))
1537       (or (markerp header-end) (error "HEADER-END must be a marker"))
1538       (save-excursion
1539         (goto-char (point-min))
1540         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1541           (save-match-data
1542             (setq fcc-list
1543                   (append fcc-list
1544                           (split-string
1545                            (buffer-substring-no-properties
1546                             (point)
1547                             (progn
1548                               (end-of-line)
1549                               (skip-chars-backward " \t")
1550                               (point)))
1551                            ",[ \t]*")))
1552             (dolist (folder fcc-list)
1553               (wl-folder-confirm-existence
1554                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1555           (delete-region (match-beginning 0)
1556                          (progn (forward-line 1) (point)))))
1557       fcc-list)))
1558
1559 (defcustom wl-draft-fcc-append-read-folder-history t
1560   "Non-nil to append fcc'ed folder to `wl-read-folder-history'."
1561   :type 'boolean
1562   :group 'wl-draft)
1563
1564 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1565   (let ((send-mail-buffer (current-buffer))
1566         (tembuf (generate-new-buffer " fcc output"))
1567         (case-fold-search t)
1568         beg end)
1569     (or (markerp header-end) (error "HEADER-END must be a marker"))
1570     (save-excursion
1571       (unless fcc-list
1572         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1573       (set-buffer tembuf)
1574       (erase-buffer)
1575       ;; insert just the headers to avoid moving the gap more than
1576       ;; necessary (the message body could be arbitrarily huge.)
1577       (insert-buffer-substring send-mail-buffer 1 header-end)
1578       (wl-draft-insert-required-fields t)
1579       (goto-char (point-max))
1580       (insert-buffer-substring send-mail-buffer header-end)
1581       (let ((id (std11-field-body "Message-ID"))
1582             (elmo-enable-disconnected-operation t)
1583             cache-saved)
1584         (while fcc-list
1585           (unless (or cache-saved
1586                       (elmo-folder-plugged-p
1587                        (wl-folder-get-elmo-folder (car fcc-list))))
1588             (elmo-file-cache-save id nil) ;; for disconnected operation
1589             (setq cache-saved t))
1590           (if (elmo-folder-append-buffer
1591                (wl-folder-get-elmo-folder
1592                 (eword-decode-string (car fcc-list)))
1593                (and wl-fcc-force-as-read '(read)))
1594               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1595             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1596           (if (and wl-draft-fcc-append-read-folder-history
1597                    (boundp 'wl-read-folder-history))
1598               (or (equal (car fcc-list) (car wl-read-folder-history))
1599                   (setq wl-read-folder-history
1600                         (append (list (car fcc-list)) wl-read-folder-history))))
1601           (setq fcc-list (cdr fcc-list)))))
1602     (kill-buffer tembuf)))
1603
1604 (defun wl-draft-on-field-p ()
1605   (if (< (point)
1606          (save-excursion
1607            (goto-char (point-min))
1608            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1609            (point)))
1610       (if (bolp)
1611           (if (bobp)
1612               t
1613             (save-excursion
1614               (forward-line -1)
1615               (if (or (looking-at ".*,[ \t]?$")
1616                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1617                   nil t)))
1618         (let ((pos (point)))
1619           (save-excursion
1620             (beginning-of-line)
1621             (if (looking-at "^[ \t]")
1622                 nil
1623               (if (re-search-forward ":" pos t) nil t)))))))
1624
1625 ;;;;;;;;;;;;;;;;
1626 ;;;###autoload
1627 (defun wl-draft (&optional header-alist
1628                            content-type content-transfer-encoding
1629                            body edit-again
1630                            parent-folder)
1631   "Write and send mail/news message with Wanderlust."
1632   (interactive)
1633   (require 'wl)
1634   (unless wl-init
1635     (wl-load-profile)
1636     (wl-folder-init)
1637     (elmo-init)
1638     (wl-plugged-init t))
1639   (let (wl-demo)
1640     (wl-init)) ; returns immediately if already initialized.
1641
1642
1643   (let (buffer header-alist-internal)
1644     (setq buffer (wl-draft-create-buffer parent-folder))
1645     (unless (cdr (assq 'From header-alist))
1646       (setq header-alist
1647             (append (list (cons 'From wl-from)) header-alist)))
1648     (unless (cdr (assq 'To header-alist))
1649       (let ((to))
1650         (when (setq to (and
1651                         (interactive-p)
1652                         ""))
1653           (if (assq 'To header-alist)
1654               (setcdr (assq 'To header-alist) to)
1655             (setq header-alist
1656                   (append header-alist
1657                           (list (cons 'To to))))))))
1658     (unless (cdr (assq 'Subject header-alist))
1659       (if (assq 'Subject header-alist)
1660           (setcdr (assq 'Subject header-alist) "")
1661         (setq header-alist
1662               (append header-alist (list (cons 'Subject ""))))))
1663     (setq header-alist (append header-alist
1664                                (wl-draft-default-headers)
1665                                wl-draft-additional-header-alist
1666                                (if body (list "" (cons 'Body body)))))
1667     (wl-draft-create-contents header-alist)
1668     (if edit-again
1669         (wl-draft-decode-body
1670          content-type content-transfer-encoding))
1671     (wl-draft-insert-mail-header-separator)
1672     (wl-draft-prepare-edit)
1673     (if (interactive-p)
1674         (run-hooks 'wl-mail-setup-hook))
1675     (goto-char (point-min))
1676     (setq buffer-undo-list nil)
1677     (wl-user-agent-compose-internal) ;; user-agent
1678     (cond ((and
1679             (interactive-p)
1680             (string= (cdr (assq 'To header-alist)) ""))
1681            (mail-position-on-field "To"))
1682           (t
1683            (goto-char (point-max))))
1684     buffer))
1685
1686 (defun wl-draft-create-buffer (&optional parent-folder)
1687   (let* ((draft-folder (wl-draft-get-folder))
1688          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1689          (summary-buf (wl-summary-get-buffer parent-folder))
1690          (reply-or-forward
1691           (or (eq this-command 'wl-summary-reply)
1692               (eq this-command 'wl-summary-reply-with-citation)
1693               (eq this-command 'wl-summary-forward)
1694               (eq this-command 'wl-summary-target-mark-forward)
1695               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1696          (buffer (generate-new-buffer "*draft*")) ; Just for initial name.
1697          change-major-mode-hook)
1698     (set-buffer buffer)
1699     ;; switch-buffer according to draft buffer style.
1700     (if wl-draft-use-frame
1701         (switch-to-buffer-other-frame buffer)
1702       (if reply-or-forward
1703           (case wl-draft-reply-buffer-style
1704             (split
1705              (split-window-vertically)
1706              (other-window 1)
1707              (switch-to-buffer buffer))
1708             (keep
1709              (switch-to-buffer buffer))
1710             (full
1711              (delete-other-windows)
1712              (switch-to-buffer buffer))
1713             (t
1714              (if (functionp wl-draft-reply-buffer-style)
1715                  (funcall wl-draft-reply-buffer-style buffer)
1716                (error "Invalid value for wl-draft-reply-buffer-style"))))
1717         (case wl-draft-buffer-style
1718           (split
1719            (when (eq major-mode 'wl-summary-mode)
1720              (wl-summary-toggle-disp-msg 'off))
1721            (split-window-vertically)
1722            (other-window 1)
1723            (switch-to-buffer buffer))
1724           (keep
1725            (switch-to-buffer buffer))
1726           (full
1727            (delete-other-windows)
1728            (switch-to-buffer buffer))
1729           (t (if (functionp wl-draft-buffer-style)
1730                  (funcall wl-draft-buffer-style buffer)
1731                (error "Invalid value for wl-draft-buffer-style"))))))
1732     (auto-save-mode -1)
1733     (wl-draft-mode)
1734     (make-local-variable 'truncate-partial-width-windows)
1735     (setq truncate-partial-width-windows nil)
1736     (setq truncate-lines wl-draft-truncate-lines)
1737     (setq wl-sent-message-via nil)
1738     (setq wl-sent-message-queued nil)
1739     (setq wl-draft-config-exec-flag t)
1740     (setq wl-draft-parent-folder (or parent-folder ""))
1741     (or (eq this-command 'wl-folder-write-current-folder)
1742         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1743     buffer))
1744
1745 (defun wl-draft-create-contents (header-alist)
1746   "header-alist' sample
1747 '(function  ;; funcall
1748   string    ;; insert string
1749   (symbol . string)    ;;  insert symbol-value: string
1750   (symbol . function)  ;;  (funcall) and if it returns string,
1751                        ;;  insert symbol-value: string
1752   (symbol . nil)       ;;  do nothing
1753   nil                  ;;  do nothing
1754   )"
1755   (unless (eq major-mode 'wl-draft-mode)
1756     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1757   (let ((halist header-alist)
1758         field value)
1759     (while halist
1760       (cond
1761        ;; function
1762        ((functionp (car halist)) (funcall (car halist)))
1763        ;; string
1764        ((stringp (car halist)) (insert (car halist) "\n"))
1765        ;; cons
1766        ((consp (car halist))
1767         (setq field (car (car halist)))
1768         (setq value (cdr (car halist)))
1769         (cond
1770          ((symbolp field)
1771           (cond
1772            ((eq field 'Body) ; body
1773             (insert value))
1774            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1775            ((functionp value)
1776             (let ((value-return (funcall value)))
1777               (when (stringp value-return)
1778                 (insert (symbol-name field) ": " value-return "\n"))))
1779            ((not value))
1780            (t
1781             (debug))))
1782          ;;
1783          ((not field))
1784          (t
1785           (debug))
1786          )))
1787       (setq halist (cdr halist)))))
1788
1789 (defun wl-draft-prepare-edit ()
1790   (unless (eq major-mode 'wl-draft-mode)
1791     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1792   (let (change-major-mode-hook)
1793     (wl-draft-editor-mode)
1794     (static-when (boundp 'auto-save-file-name-transforms)
1795       (make-local-variable 'auto-save-file-name-transforms)
1796       (setq auto-save-file-name-transforms
1797             (cons (list (concat (regexp-quote wl-draft-folder)
1798                                 "/\\([0-9]+\\)")
1799                         (concat (expand-file-name
1800                                  "auto-save-"
1801                                  (elmo-folder-msgdb-path
1802                                   (wl-draft-get-folder)))
1803                                 "\\1"))
1804                   auto-save-file-name-transforms)))
1805     (when wl-draft-write-file-function
1806       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1807     (wl-draft-overload-functions)
1808     (wl-highlight-headers 'for-draft)
1809     (wl-draft-save)
1810     (clear-visited-file-modtime)))
1811
1812 (defun wl-draft-decode-header ()
1813   (save-excursion
1814     (std11-narrow-to-header)
1815     (wl-draft-decode-message-in-buffer)
1816     (widen)))
1817
1818 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1819   (let ((content-type
1820          (or content-type
1821                 (std11-field-body "content-type")))
1822         (content-transfer-encoding
1823          (or content-transfer-encoding
1824              (std11-field-body "content-transfer-encoding")))
1825         delimline)
1826     (save-excursion
1827       (std11-narrow-to-header)
1828       (wl-draft-delete-field "content-type")
1829       (wl-draft-delete-field "content-transfer-encoding")
1830       (goto-char (point-max))
1831       (setq delimline (point-marker))
1832       (widen)
1833       (narrow-to-region delimline (point-max))
1834       (goto-char (point-min))
1835       (when content-type
1836         (insert "Content-type: " content-type "\n"))
1837       (when content-transfer-encoding
1838         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1839       (wl-draft-decode-message-in-buffer)
1840       (goto-char (point-min))
1841       (unless (re-search-forward "^$" (point-at-eol) t)
1842         (insert "\n"))
1843       (widen)
1844       delimline)))
1845
1846 ;;; subroutine for wl-draft-create-contents
1847 ;;; must be used in wl-draft-mode
1848 (defun wl-draft-check-new-line ()
1849   (if (not (= (preceding-char) ?\n))
1850       (insert ?\n)))
1851
1852 (defsubst wl-draft-trim-ccs (cc)
1853   (let ((field
1854          (if (functionp cc)
1855              (funcall cc)
1856            cc)))
1857     (if (and field
1858              (null (and wl-draft-delete-myself-from-bcc-fcc
1859                         (elmo-list-member
1860                          (mapcar 'wl-address-header-extract-address
1861                                  (append
1862                                   (wl-parse-addresses (std11-field-body "To"))
1863                                   (wl-parse-addresses (std11-field-body "Cc"))))
1864                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1865         field
1866       nil)))
1867
1868 (defsubst wl-draft-default-headers ()
1869   (list
1870    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1871                              (wl-address-header-extract-address
1872                               wl-from)))
1873    (cons 'User-Agent wl-generate-mailer-string-function)
1874    (cons 'Reply-To mail-default-reply-to)
1875    (cons 'Bcc (function
1876                (lambda ()
1877                  (wl-draft-trim-ccs
1878                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1879    (cons 'Fcc (function
1880                (lambda ()
1881                  (wl-draft-trim-ccs wl-fcc))))
1882    (cons 'Organization wl-organization)
1883    (and wl-auto-insert-x-face
1884         (file-exists-p wl-x-face-file)
1885         'wl-draft-insert-x-face-field-here) ;; allow nil
1886    mail-default-headers
1887    ;; check \n at th end of line for `mail-default-headers'
1888    'wl-draft-check-new-line
1889    ))
1890
1891 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1892   (save-excursion
1893     (if delimline
1894         (goto-char delimline)
1895       (goto-char (point-min))
1896       (if (search-forward "\n\n" nil t)
1897           (delete-backward-char 1)
1898         (goto-char (point-max))))
1899     (wl-draft-check-new-line)
1900     (put-text-property (point)
1901                        (progn
1902                          (insert mail-header-separator "\n")
1903                          (1- (point)))
1904                        'category 'mail-header-separator)
1905     (point)))
1906
1907 ;;;;;;;;;;;;;;;;
1908
1909 (defun wl-draft-elmo-nntp-send ()
1910   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1911         (elmo-nntp-default-user
1912          (or wl-nntp-posting-user elmo-nntp-default-user))
1913         (elmo-nntp-default-server
1914          (or wl-nntp-posting-server elmo-nntp-default-server))
1915         (elmo-nntp-default-port
1916          (or wl-nntp-posting-port elmo-nntp-default-port))
1917         (elmo-nntp-default-stream-type
1918          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1919         (elmo-nntp-default-function wl-nntp-posting-function)
1920         condition)
1921     (if (setq condition (cdr (elmo-string-matched-assoc
1922                               (std11-field-body "Newsgroups")
1923                               wl-nntp-posting-config-alist)))
1924         (if (stringp condition)
1925             (setq elmo-nntp-default-server condition)
1926           (while (car condition)
1927             (set (intern (format "elmo-nntp-default-%s"
1928                                  (symbol-name (caar condition))))
1929                  (cdar condition))
1930             (setq condition (cdr condition)))))
1931     (unless elmo-nntp-default-function
1932       (error "wl-draft-nntp-send: posting-function is nil"))
1933     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1934         (wl-draft-set-sent-message 'news 'unplugged
1935                                    (cons elmo-nntp-default-server
1936                                          elmo-nntp-default-port))
1937       (funcall elmo-nntp-default-function
1938                elmo-nntp-default-server (current-buffer))
1939       (wl-draft-set-sent-message 'news 'sent)
1940       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1941                               (std11-field-body "Newsgroups")
1942                               (std11-field-body "Message-ID")))))
1943
1944 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1945   "Generate clone of current buffer named NAME."
1946   (let ((editing-buffer (current-buffer)))
1947     (save-excursion
1948       (set-buffer (generate-new-buffer name))
1949       (erase-buffer)
1950       (wl-draft-mode)
1951       (wl-draft-editor-mode)
1952       (insert-buffer editing-buffer)
1953       (message "")
1954       (while local-variables
1955         (make-local-variable (car local-variables))
1956         (set (car local-variables)
1957              (save-excursion
1958                (set-buffer editing-buffer)
1959                (symbol-value (car local-variables))))
1960         (setq local-variables (cdr local-variables)))
1961       (current-buffer))))
1962
1963 (defun wl-draft-remove-text-plain-tag ()
1964   "Remove text/plain tag of mime-edit."
1965   (when (string= (mime-make-text-tag "plain")
1966                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1967     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1968
1969 (defun wl-draft-reedit (number)
1970   (let ((draft-folder (wl-draft-get-folder))
1971         (wl-draft-reedit t)
1972         (num 0)
1973         buffer change-major-mode-hook body-top)
1974     (setq buffer (get-buffer-create (format "%s/%d" wl-draft-folder
1975                                             number)))
1976     (if wl-draft-use-frame
1977         (switch-to-buffer-other-frame buffer)
1978       (switch-to-buffer buffer))
1979     (set-buffer buffer)
1980     (elmo-message-fetch draft-folder number (elmo-make-fetch-strategy 'entire)
1981                         nil (current-buffer))
1982     (elmo-delete-cr-buffer)
1983     (let ((mime-edit-again-ignored-field-regexp
1984            "^\\(Content-.*\\|Mime-Version\\):"))
1985       (wl-draft-decode-message-in-buffer))
1986     (setq body-top (wl-draft-insert-mail-header-separator))
1987     (auto-save-mode -1)
1988     (wl-draft-mode)
1989     (make-local-variable 'truncate-partial-width-windows)
1990     (setq truncate-partial-width-windows nil)
1991     (setq truncate-lines wl-draft-truncate-lines)
1992     (setq wl-sent-message-via nil)
1993     (setq wl-sent-message-queued nil)
1994     (wl-draft-config-info-operation number 'load)
1995     (goto-char (point-min))
1996     (wl-draft-overload-functions)
1997     (wl-draft-editor-mode)
1998     (static-when (boundp 'auto-save-file-name-transforms)
1999       (make-local-variable 'auto-save-file-name-transforms)
2000       (setq auto-save-file-name-transforms
2001             (cons (list (concat (regexp-quote wl-draft-folder)
2002                                 "/\\([0-9]+\\)")
2003                         (concat (expand-file-name
2004                                  "auto-save-"
2005                                  (elmo-folder-msgdb-path
2006                                   (wl-draft-get-folder)))
2007                                 "\\1"))
2008                   auto-save-file-name-transforms)))
2009     (setq buffer-file-name (buffer-name)
2010           wl-draft-parent-folder ""
2011           wl-draft-buffer-message-number number)
2012     (when wl-draft-write-file-function
2013       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2014     (wl-highlight-headers 'for-draft)
2015     (goto-char body-top)
2016     (run-hooks 'wl-draft-reedit-hook)
2017     (goto-char (point-max))
2018     buffer))
2019
2020 (defmacro wl-draft-body-goto-top ()
2021   (` (progn
2022        (goto-char (point-min))
2023        (if (re-search-forward mail-header-separator nil t)
2024            (forward-char 1)
2025          (goto-char (point-max))))))
2026
2027 (defmacro wl-draft-body-goto-bottom ()
2028   (` (goto-char (point-max))))
2029
2030 (defmacro wl-draft-config-body-goto-header ()
2031   (` (progn
2032        (goto-char (point-min))
2033        (if (re-search-forward mail-header-separator nil t)
2034            (beginning-of-line)
2035          (goto-char (point-max))))))
2036
2037 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2038   (let (content-value)
2039     (when (and content
2040                (stringp (setq content-value (eval content))))
2041       (insert content-value)
2042       (if newline (insert "\n")))))
2043
2044 (defun wl-draft-config-sub-body (content)
2045   (wl-draft-body-goto-top)
2046   (delete-region (point) (point-max))
2047   (wl-draft-config-sub-eval-insert content))
2048
2049 (defun wl-draft-config-sub-top (content)
2050   (wl-draft-body-goto-top)
2051   (wl-draft-config-sub-eval-insert content))
2052
2053 (defun wl-draft-config-sub-bottom (content)
2054   (wl-draft-body-goto-bottom)
2055   (wl-draft-config-sub-eval-insert content))
2056
2057 (defun wl-draft-config-sub-header (content)
2058   (wl-draft-config-body-goto-header)
2059   (wl-draft-config-sub-eval-insert content 'newline))
2060
2061 (defun wl-draft-config-sub-header-top (content)
2062   (goto-char (point-min))
2063   (wl-draft-config-sub-eval-insert content 'newline))
2064
2065 (defun wl-draft-config-sub-part-top (content)
2066   (goto-char (mime-edit-content-beginning))
2067   (wl-draft-config-sub-eval-insert content 'newline))
2068
2069 (defun wl-draft-config-sub-part-bottom (content)
2070   (goto-char (mime-edit-content-end))
2071   (wl-draft-config-sub-eval-insert content 'newline))
2072
2073 (defsubst wl-draft-config-sub-file (content)
2074   (let ((coding-system-for-read wl-cs-autoconv)
2075         (file (expand-file-name (eval content))))
2076     (if (file-exists-p file)
2077         (insert-file-contents file)
2078       (error "%s: no exists file" file))))
2079
2080 (defun wl-draft-config-sub-body-file (content)
2081   (wl-draft-body-goto-top)
2082   (delete-region (point) (point-max))
2083   (wl-draft-config-sub-file content))
2084
2085 (defun wl-draft-config-sub-top-file (content)
2086   (wl-draft-body-goto-top)
2087   (wl-draft-config-sub-file content))
2088
2089 (defun wl-draft-config-sub-bottom-file (content)
2090   (wl-draft-body-goto-bottom)
2091   (wl-draft-config-sub-file content))
2092
2093 (defun wl-draft-config-sub-header-file (content)
2094   (wl-draft-config-body-goto-header)
2095   (wl-draft-config-sub-file content))
2096
2097 (defun wl-draft-config-sub-template (content)
2098   (setq wl-draft-config-variables
2099         (wl-template-insert (eval content))))
2100
2101 (defun wl-draft-config-sub-x-face (content)
2102   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2103            (fboundp 'x-face-insert)) ; x-face.el is installed.
2104       (x-face-insert content)
2105     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2106
2107 (defsubst wl-draft-config-sub-func (field content)
2108   (let (func)
2109     (if (setq func (assq field wl-draft-config-sub-func-alist))
2110         (let (wl-draft-config-variables)
2111           (funcall (cdr func) content)
2112           ;; for wl-draft-config-sub-template
2113           (cons t wl-draft-config-variables)))))
2114
2115 (defsubst wl-draft-config-exec-sub (clist)
2116   (let (config local-variables)
2117     (while clist
2118       (setq config (car clist))
2119       (cond
2120        ((functionp config)
2121         (funcall config))
2122        ((consp config)
2123         (let ((field (car config))
2124               (content (cdr config))
2125               ret-val)
2126           (cond
2127            ((stringp field)
2128             (wl-draft-replace-field field (eval content) t))
2129            ((setq ret-val (wl-draft-config-sub-func field content))
2130             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2131                 (wl-append local-variables (cdr ret-val))))
2132            ((boundp field) ;; variable
2133             (make-local-variable field)
2134             (set field (eval content))
2135             (wl-append local-variables (list field)))
2136            (t
2137             (error "%s: not variable" field)))))
2138        (t
2139         (error "%s: not supported type" config)))
2140       (setq clist (cdr clist)))
2141     local-variables))
2142
2143 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2144   "Change headers in draft preparation time."
2145   (interactive)
2146   (unless wl-draft-reedit
2147     (let ((config-alist
2148            (or config-alist
2149                (and (boundp 'wl-draft-prepared-config-alist)
2150                     wl-draft-prepared-config-alist)     ;; For compatible.
2151                wl-draft-config-alist)))
2152       (if config-alist
2153           (wl-draft-config-exec config-alist reply-buf)))))
2154
2155 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2156   "Change headers according to the value of `wl-draft-config-alist'.
2157 Automatically applied in draft sending time."
2158   (interactive)
2159   (let ((case-fold-search t)
2160         (alist (or config-alist wl-draft-config-alist))
2161         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2162                                       wl-draft-reply-buffer)))
2163         (local-variables wl-draft-config-variables)
2164         key clist found)
2165     (when (and (or (interactive-p)
2166                    wl-draft-config-exec-flag)
2167                alist)
2168       (save-excursion
2169         (catch 'done
2170           (while alist
2171             (setq key (caar alist)
2172                   clist (cdar alist))
2173             (cond
2174              ((eq key 'reply)
2175               (when (and
2176                      reply-buf
2177                      (save-excursion
2178                        (set-buffer reply-buf)
2179                        (save-restriction
2180                          (std11-narrow-to-header)
2181                          (goto-char (point-min))
2182                          (re-search-forward (car clist) nil t))))
2183                 (wl-draft-config-exec-sub (cdr clist))
2184                 (setq found t)))
2185              ((stringp key)
2186               (when (save-restriction
2187                       (std11-narrow-to-header mail-header-separator)
2188                       (goto-char (point-min))
2189                       (re-search-forward key nil t))
2190                 (wl-append local-variables
2191                            (wl-draft-config-exec-sub clist))
2192                 (setq found t)))
2193              ((eval key)
2194               (wl-append local-variables
2195                          (wl-draft-config-exec-sub clist))
2196               (setq found t)))
2197             (if (and found wl-draft-config-matchone)
2198                 (throw 'done t))
2199             (setq alist (cdr alist))))
2200         (if found
2201             (setq wl-draft-config-exec-flag nil))
2202         (run-hooks 'wl-draft-config-exec-hook)
2203         (put-text-property (point-min)(point-max) 'face nil)
2204         (wl-highlight-message (point-min)(point-max) t)
2205         (setq wl-draft-config-variables
2206               (elmo-uniq-list local-variables))))))
2207
2208 (defun wl-draft-replace-field (field content &optional add)
2209   (save-excursion
2210     (save-restriction
2211       (let ((case-fold-search t)
2212             (inhibit-read-only t) ;; added by teranisi.
2213             beg)
2214         (std11-narrow-to-header mail-header-separator)
2215         (goto-char (point-min))
2216         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2217             (if content
2218                 ;; replace field
2219                 (progn
2220                   (setq beg (point))
2221                   (re-search-forward "^[^ \t]" nil 'move)
2222                   (beginning-of-line)
2223                   (skip-chars-backward "\n")
2224                   (delete-region beg (point))
2225                   (insert " " content))
2226               ;; delete field
2227               (save-excursion
2228                 (beginning-of-line)
2229                 (setq beg (point)))
2230               (re-search-forward "^[^ \t]" nil 'move)
2231               (beginning-of-line)
2232               (delete-region beg (point)))
2233           (when (and add content)
2234             ;; add field
2235             (goto-char (point-max))
2236             (insert (concat field ": " content "\n"))))))))
2237
2238 (defun wl-draft-config-info-operation (msg operation)
2239   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2240          (filename
2241           (expand-file-name
2242            (format "%s-%d" wl-draft-config-save-filename msg)
2243            msgdb-dir))
2244          element alist variable)
2245     (cond
2246      ((eq operation 'save)
2247       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2248         (while (setq variable (pop variables))
2249           (when (boundp variable)
2250             (wl-append alist
2251                        (list (cons variable (eval variable))))))
2252         (elmo-object-save filename alist)))
2253      ((eq operation 'load)
2254       (setq alist (elmo-object-load filename))
2255       (while (setq element (pop alist))
2256         (set (make-local-variable (car element)) (cdr element))
2257         (wl-append wl-draft-config-variables (list (car element)))))
2258      ((eq operation 'delete)
2259       (if (file-exists-p filename)
2260           (delete-file filename))))))
2261
2262 (defun wl-draft-queue-info-operation (msg operation
2263                                           &optional add-sent-message-via)
2264   (let* ((msgdb-dir (elmo-folder-msgdb-path
2265                      (wl-folder-get-elmo-folder wl-queue-folder)))
2266          (filename
2267           (expand-file-name
2268            (format "%s-%d" wl-draft-queue-save-filename msg)
2269            msgdb-dir))
2270          element alist variable)
2271     (cond
2272      ((eq operation 'save)
2273       (let ((variables (elmo-uniq-list
2274                         (append wl-draft-queue-save-variables
2275                                 wl-draft-config-variables
2276                                 (list 'wl-draft-fcc-list)))))
2277         (if add-sent-message-via
2278             (progn
2279               (push 'wl-sent-message-queued variables)
2280               (push 'wl-sent-message-via variables)))
2281         (while (setq variable (pop variables))
2282           (when (boundp variable)
2283             (wl-append alist
2284                        (list (cons variable (eval variable))))))
2285         (elmo-object-save filename alist)))
2286      ((eq operation 'load)
2287       (setq alist (elmo-object-load filename))
2288       (while (setq element (pop alist))
2289         (set (make-local-variable (car element)) (cdr element))))
2290      ((eq operation 'get-sent-via)
2291       (setq alist (elmo-object-load filename))
2292       (cdr (assq 'wl-sent-message-via alist)))
2293      ((eq operation 'delete)
2294       (if (file-exists-p filename)
2295           (delete-file filename))))))
2296
2297 (defun wl-draft-queue-append (wl-sent-message-via)
2298   (if wl-draft-verbose-send
2299       (message "Queuing..."))
2300   (let ((send-buffer (current-buffer))
2301         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2302         (message-id (std11-field-body "Message-ID")))
2303     (if (elmo-folder-append-buffer folder)
2304         (progn
2305           (wl-draft-queue-info-operation
2306            (car (elmo-folder-status folder))
2307            'save wl-sent-message-via)
2308           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2309           (when wl-draft-verbose-send
2310             (setq wl-draft-verbose-msg "Queuing...")
2311             (message "Queuing...done")))
2312       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2313       (error "Queuing failed"))))
2314
2315 (defun wl-draft-queue-flush ()
2316   "Flush draft queue."
2317   (interactive)
2318   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2319          (msgs2 (progn
2320                   (elmo-folder-open-internal queue-folder)
2321                   (elmo-folder-list-messages queue-folder)))
2322          (i 0)
2323          (performed 0)
2324          (wl-draft-queue-flushing t)
2325          msgs failure len buffer msgid sent-via)
2326     ;; get plugged send message
2327     (while msgs2
2328       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2329       (catch 'found
2330         (while sent-via
2331           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2332                      (or (not (nth 2 (car sent-via)))
2333                          (elmo-plugged-p
2334                           (car (nth 2 (car sent-via)))
2335                           (cdr (nth 2 (car sent-via))))))
2336             (wl-append msgs (list (car msgs2)))
2337             (throw 'found t))
2338           (setq sent-via (cdr sent-via))))
2339       (setq msgs2 (cdr msgs2)))
2340     (when (> (setq len (length msgs)) 0)
2341       (if (elmo-y-or-n-p (format
2342                           "%d message(s) are in the sending queue.  Send now? "
2343                           len)
2344                          (not elmo-dop-flush-confirm) t)
2345           (progn
2346             (save-excursion
2347               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2348               (set-buffer buffer)
2349               (while msgs
2350                 ;; reset buffer local variables
2351                 (kill-all-local-variables)
2352                 (erase-buffer)
2353                 (setq i (+ 1 i)
2354                       failure nil)
2355                 (setq wl-sent-message-via nil)
2356                 (wl-draft-queue-info-operation (car msgs) 'load)
2357                 (elmo-message-fetch queue-folder
2358                                     (car msgs)
2359                                     (elmo-make-fetch-strategy 'entire)
2360                                     nil (current-buffer))
2361                 (condition-case err
2362                     (setq failure (funcall
2363                                    wl-draft-queue-flush-send-function
2364                                    (format "Sending (%d/%d)..." i len)))
2365 ;;;               (wl-draft-raw-send nil nil
2366 ;;;                                  (format "Sending (%d/%d)..." i len))
2367                   (error
2368                    (elmo-display-error err t)
2369                    (setq failure t))
2370                   (quit
2371                    (setq failure t)))
2372                 (if (eq wl-sent-message-modified 'requeue)
2373                     (progn
2374                       (elmo-folder-delete-messages
2375                        queue-folder (cons (car msgs) nil))
2376                       (wl-draft-queue-info-operation (car msgs) 'delete))
2377                   (unless failure
2378                     (elmo-folder-delete-messages
2379                      queue-folder (cons (car msgs) nil))
2380                     (wl-draft-queue-info-operation (car msgs) 'delete)
2381                     (setq performed (+ 1 performed))))
2382                 (setq msgs (cdr msgs)))
2383               (kill-buffer buffer)
2384               (message "%d message(s) are sent." performed)))
2385         (message "%d message(s) are remained to be sent." len))
2386       (elmo-folder-close queue-folder)
2387       len)))
2388
2389 (defun wl-jump-to-draft-buffer (&optional arg)
2390   "Jump to the draft if exists."
2391   (interactive "P")
2392   (if arg
2393       (wl-jump-to-draft-folder)
2394     (let ((draft-bufs (wl-collect-draft))
2395           buf)
2396       (cond
2397        ((null draft-bufs)
2398         (message "No draft buffer exist."))
2399        (t
2400         (setq draft-bufs
2401               (sort (mapcar 'buffer-name draft-bufs)
2402                     (function (lambda (a b)
2403                                 (not (string< a b))))))
2404         (if (setq buf (cdr (member (buffer-name)
2405                                    draft-bufs)))
2406             (setq buf (car buf))
2407           (setq buf (car draft-bufs)))
2408         (switch-to-buffer buf))))))
2409
2410 (defun wl-jump-to-draft-folder ()
2411   (let ((msgs (reverse (elmo-folder-list-messages (wl-draft-get-folder))))
2412         (mybuf (buffer-name))
2413         msg buf)
2414     (if (not msgs)
2415         (message "No draft message exist.")
2416       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2417           (setq msg (cadr (memq
2418                            (string-to-int (substring mybuf (match-end 0)))
2419                            msgs))))
2420       (or msg (setq msg (car msgs)))
2421       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2422           (switch-to-buffer buf)
2423         (wl-draft-reedit msg)))))
2424
2425 (defun wl-draft-highlight-and-recenter (&optional n)
2426   (interactive "P")
2427   (when wl-highlight-body-too
2428     (let ((modified (buffer-modified-p)))
2429       (unwind-protect
2430           (progn
2431             (put-text-property (point-min) (point-max) 'face nil)
2432             (wl-highlight-message (point-min) (point-max) t))
2433         (set-buffer-modified-p modified))))
2434   (static-when (featurep 'xemacs)
2435     ;; Cope with one of many XEmacs bugs that `recenter' takes
2436     ;; a long time if there are a lot of invisible text lines.
2437     (redraw-frame))
2438   (recenter n))
2439
2440 ;; insert element from history
2441 (defvar wl-draft-current-history-position nil)
2442 (defvar wl-draft-history-backup-word "")
2443
2444 (defun wl-draft-previous-history-element (n)
2445   (interactive "p")
2446   (let (bol history beg end prev new)
2447     (when (and (not (wl-draft-on-field-p))
2448                (< (point)
2449                   (save-excursion
2450                     (goto-char (point-min))
2451                     (search-forward (concat "\n" mail-header-separator "\n") nil 0)
2452                     (point)))
2453                (save-excursion
2454                  (beginning-of-line)
2455                  (while (and (looking-at "^[ \t]")
2456                              (not (= (point) (point-min))))
2457                    (forward-line -1))
2458                  (cond
2459                   ((looking-at wl-folder-complete-header-regexp)
2460                    (and (boundp 'wl-read-folder-history)
2461                         (setq history wl-read-folder-history)))
2462                   ;; ((looking-at wl-address-complete-header-regexp)
2463                   ;;  (setq history .....))
2464                   (t
2465                    nil)))
2466                (eolp))
2467       (setq bol (save-excursion (beginning-of-line) (point)))
2468       (cond ((and (or (eq last-command 'wl-draft-previous-history-element)
2469                       (eq last-command 'wl-draft-next-history-element))
2470                   wl-draft-current-history-position)
2471              (setq end (point))
2472              (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2473                  (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2474                  (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t))
2475              (setq prev (match-string 1))
2476              (goto-char (match-beginning 1))
2477              (setq beg (point))
2478              (if (cond ((< n 0)
2479                         (>= (+ n wl-draft-current-history-position) 0))
2480                        ((> n 0)
2481                         (<= (+ n wl-draft-current-history-position)
2482                             (length history))))
2483                  (progn
2484                    (setq wl-draft-current-history-position
2485                          (+ n wl-draft-current-history-position))
2486                    (setq new
2487                          (nth wl-draft-current-history-position
2488                               (append (list wl-draft-history-backup-word)
2489                                       history)))
2490                    (delete-region beg end)
2491                    (insert new))
2492                (goto-char end)
2493                (cond ((< n 0)
2494                       (message "End of history; no next item"))
2495                      ((> n 0)
2496                       (message "Beginning of history; no preceding item")))))
2497             ((and (> n 0)
2498                   (save-excursion
2499                     (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2500                         (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2501                         (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t)))
2502                   (car history))
2503              (setq wl-draft-current-history-position 1)
2504              (setq wl-draft-history-backup-word (match-string 1))
2505              (delete-region (match-beginning 1) (match-end 1))
2506              (insert (car history)))
2507             (t
2508              (setq wl-draft-current-history-position nil))))))
2509
2510 (defun wl-draft-next-history-element (n)
2511   (interactive "p")
2512   (wl-draft-previous-history-element (- n)))
2513
2514 ;;;; user-agent support by Sen Nagata
2515
2516 ;; this appears to be necessarily global...
2517 (defvar wl-user-agent-compose-p nil)
2518 (defvar wl-user-agent-headers-and-body-alist nil)
2519
2520 ;; this should be a generic function for mail-mode -- i wish there was
2521 ;; something like it in sendmail.el
2522 (defun wl-user-agent-insert-header (header-name header-value)
2523   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2524   ;; it seems like overriding existing headers is acceptable -- should
2525   ;; we provide an option?
2526
2527   ;; plan was: unfold header (might be folded), remove existing value, insert
2528   ;;           new value
2529   ;; wl doesn't seem to fold header lines yet anyway :-)
2530
2531   (let ((kill-whole-line t)
2532         end-of-line)
2533     (mail-position-on-field (capitalize header-name))
2534     (setq end-of-line (point))
2535     (beginning-of-line)
2536     (re-search-forward ":" end-of-line)
2537     (insert (concat " " header-value "\n"))
2538     (kill-line)))
2539
2540 ;; this should be a generic function for mail-mode -- i wish there was
2541 ;; something like it in sendmail.el
2542 ;;
2543 ;; ** haven't dealt w/ case where the body is already set **
2544 (defun wl-user-agent-insert-body (body-text)
2545   "Insert a body of text, BODY-TEXT, into a message."
2546   ;; code defensively... :-P
2547   (goto-char (point-min))
2548   (search-forward mail-header-separator)
2549   (forward-line 1)
2550   (insert body-text))
2551
2552 ;;;###autoload
2553 (defun wl-user-agent-compose (&optional to subject other-headers continue
2554                                         switch-function yank-action
2555                                         send-actions)
2556   "Support the `compose-mail' interface for wl.
2557 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2558 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2559 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2560
2561   (unless (featurep 'wl)
2562     (require 'wl))
2563   (or switch-function
2564       (setq switch-function 'keep))
2565   ;; protect these -- to and subject get bound at some point, so it looks
2566   ;; to be necessary to protect the values used w/in
2567   (let ((wl-user-agent-headers-and-body-alist other-headers)
2568         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2569         (wl-draft-buffer-style switch-function))
2570     (if to
2571         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2572                                    'ignore-case)
2573             (setcdr
2574              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2575                                     'ignore-case)
2576              to)
2577           (setq wl-user-agent-headers-and-body-alist
2578                 (cons (cons "to" to)
2579                       wl-user-agent-headers-and-body-alist))))
2580     (if subject
2581         (if (wl-string-match-assoc "subject"
2582                                    wl-user-agent-headers-and-body-alist
2583                                    'ignore-case)
2584             (setcdr
2585              (wl-string-match-assoc "subject"
2586                                     wl-user-agent-headers-and-body-alist
2587                                     'ignore-case)
2588              subject)
2589           (setq wl-user-agent-headers-and-body-alist
2590                 (cons (cons "subject" subject)
2591                       wl-user-agent-headers-and-body-alist))))
2592     ;; i think this is what we want to use...
2593     (unwind-protect
2594         (progn
2595           ;; tell the hook-function to do its stuff
2596           (setq wl-user-agent-compose-p t)
2597           ;; because to get the hooks working, wl-draft has to think it has
2598           ;; been called interactively
2599           (call-interactively 'wl-draft))
2600       (setq wl-user-agent-compose-p nil))))
2601
2602 (defun wl-user-agent-compose-internal ()
2603   "Manipulate headers and/or a body of a draft message."
2604   ;; being called from wl-user-agent-compose?
2605   (if wl-user-agent-compose-p
2606       (progn
2607         ;; insert headers
2608         (let ((headers wl-user-agent-headers-and-body-alist)
2609               (case-fold-search t))
2610           (while headers
2611             ;; skip body
2612             (if (not (string-match "^body$" (car (car headers))))
2613                 (wl-user-agent-insert-header
2614                  (car (car headers)) (cdr (car headers)))
2615               t)
2616             (setq headers (cdr headers))))
2617         ;; highlight headers (from wl-draft in wl-draft.el)
2618         (wl-highlight-headers 'for-draft)
2619         ;; insert body
2620         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2621                                    'ignore-case)
2622             (wl-user-agent-insert-body
2623              (cdr (wl-string-match-assoc
2624                    "body"
2625                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2626     t))
2627
2628 (require 'product)
2629 (product-provide (provide 'wl-draft) (require 'wl-version))
2630
2631 ;;; wl-draft.el ends here