wl/wl-draft.el

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