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               (or (equal (car fcc-list) (car wl-read-folder-hist))
1578                   (setq wl-read-folder-hist
1579                         (append (list (car fcc-list)) wl-read-folder-hist))))
1580           (setq fcc-list (cdr fcc-list)))))
1581     (kill-buffer tembuf)))
1582
1583 (defun wl-draft-on-field-p ()
1584   (if (< (point)
1585          (save-excursion
1586            (goto-char (point-min))
1587            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1588            (point)))
1589       (if (bolp)
1590           (if (bobp)
1591               t
1592             (save-excursion
1593               (forward-line -1)
1594               (if (or (looking-at ".*,[ \t]?$")
1595                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1596                   nil t)))
1597         (let ((pos (point)))
1598           (save-excursion
1599             (beginning-of-line)
1600             (if (looking-at "^[ \t]")
1601                 nil
1602               (if (re-search-forward ":" pos t) nil t)))))))
1603
1604 ;;;;;;;;;;;;;;;;
1605 ;;;###autoload
1606 (defun wl-draft (&optional header-alist
1607                            content-type content-transfer-encoding
1608                            body edit-again
1609                            parent-folder)
1610   "Write and send mail/news message with Wanderlust."
1611   (interactive)
1612   (require 'wl)
1613   (unless wl-init
1614     (wl-load-profile)
1615     (wl-folder-init)
1616     (elmo-init)
1617     (wl-plugged-init t))
1618   (let (wl-demo)
1619     (wl-init)) ; returns immediately if already initialized.
1620
1621
1622   (let (buf-name header-alist-internal)
1623     (setq buf-name
1624           (wl-draft-create-buffer parent-folder))
1625
1626     (unless (cdr (assq 'From header-alist))
1627       (setq header-alist
1628             (append (list (cons 'From wl-from)) header-alist)))
1629     (unless (cdr (assq 'To header-alist))
1630       (let ((to))
1631         (when (setq to (and
1632                         (interactive-p)
1633                         ""))
1634           (if (assq 'To header-alist)
1635               (setcdr (assq 'To header-alist) to)
1636             (setq header-alist
1637                   (append header-alist
1638                           (list (cons 'To to))))))))
1639     (unless (cdr (assq 'Subject header-alist))
1640       (if (assq 'Subject header-alist)
1641           (setcdr (assq 'Subject header-alist) "")
1642         (setq header-alist
1643               (append header-alist (list (cons 'Subject ""))))))
1644     (setq header-alist (append header-alist
1645                                (wl-draft-default-headers)
1646                                wl-draft-additional-header-alist
1647                                (if body (list "" (cons 'Body body)))))
1648     (wl-draft-create-contents header-alist)
1649     (if edit-again
1650         (wl-draft-decode-body
1651          content-type content-transfer-encoding))
1652     (wl-draft-insert-mail-header-separator)
1653     (wl-draft-prepare-edit)
1654     (if (interactive-p)
1655         (run-hooks 'wl-mail-setup-hook))
1656     (goto-char (point-min))
1657     (setq buffer-undo-list nil)
1658     (wl-user-agent-compose-internal) ;; user-agent
1659     (cond ((and
1660             (interactive-p)
1661             (string= (cdr (assq 'To header-alist)) ""))
1662            (mail-position-on-field "To"))
1663           (t
1664            (goto-char (point-max))))
1665     buf-name))
1666
1667 (defun wl-draft-create-buffer (&optional parent-folder)
1668   (let* ((draft-folder (wl-folder-get-elmo-folder wl-draft-folder))
1669          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1670          (summary-buf (wl-summary-get-buffer parent-folder))
1671          (reply-or-forward
1672           (or (eq this-command 'wl-summary-reply)
1673               (eq this-command 'wl-summary-reply-with-citation)
1674               (eq this-command 'wl-summary-forward)
1675               (eq this-command 'wl-summary-target-mark-forward)
1676               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1677          buf-name file-name num change-major-mode-hook)
1678     (if (not (elmo-folder-message-file-p draft-folder))
1679         (error "%s folder cannot be used for draft folder" wl-draft-folder))
1680     (setq num (elmo-max-of-list
1681                (or (elmo-folder-list-messages draft-folder) '(0))))
1682     (setq num (+ 1 num))
1683     ;; To get unused buffer name.
1684     (while (get-buffer (concat wl-draft-folder "/" (int-to-string num)))
1685       (setq num (+ 1 num)))
1686     (setq buf-name (find-file-noselect
1687                     (setq file-name
1688                           (elmo-message-file-name
1689                            (wl-folder-get-elmo-folder wl-draft-folder)
1690                            num))))
1691     ;; switch-buffer according to draft buffer style.
1692     (if wl-draft-use-frame
1693         (switch-to-buffer-other-frame buf-name)
1694       (if reply-or-forward
1695           (case wl-draft-reply-buffer-style
1696             (split
1697              (split-window-vertically)
1698              (other-window 1)
1699              (switch-to-buffer buf-name))
1700             (keep
1701              (switch-to-buffer buf-name))
1702             (full
1703              (delete-other-windows)
1704              (switch-to-buffer buf-name))
1705             (t
1706              (if (functionp wl-draft-reply-buffer-style)
1707                  (funcall wl-draft-reply-buffer-style buf-name)
1708                (error "Invalid value for wl-draft-reply-buffer-style"))))
1709         (case wl-draft-buffer-style
1710           (split
1711            (when (eq major-mode 'wl-summary-mode)
1712              (wl-summary-toggle-disp-msg 'off))
1713            (split-window-vertically)
1714            (other-window 1)
1715            (switch-to-buffer buf-name))
1716           (keep
1717            (switch-to-buffer buf-name))
1718           (full
1719            (delete-other-windows)
1720            (switch-to-buffer buf-name))
1721           (t (if (functionp wl-draft-buffer-style)
1722                  (funcall wl-draft-buffer-style buf-name)
1723                (error "Invalid value for wl-draft-buffer-style"))))))
1724     (set-buffer buf-name)
1725     (if (not (string-match (regexp-quote wl-draft-folder)
1726                            (buffer-name)))
1727         (rename-buffer (concat wl-draft-folder "/" (int-to-string num))))
1728     (auto-save-mode -1)
1729     (wl-draft-mode)
1730     (make-local-variable 'truncate-partial-width-windows)
1731     (setq truncate-partial-width-windows nil)
1732     (setq truncate-lines wl-draft-truncate-lines)
1733     (setq wl-sent-message-via nil)
1734     (setq wl-sent-message-queued nil)
1735     (setq wl-draft-buffer-file-name file-name)
1736     (setq wl-draft-config-exec-flag t)
1737     (setq wl-draft-parent-folder (or parent-folder ""))
1738     (or (eq this-command 'wl-folder-write-current-folder)
1739         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1740     buf-name))
1741
1742 (defun wl-draft-create-contents (header-alist)
1743   "header-alist' sample
1744 '(function  ;; funcall
1745   string    ;; insert string
1746   (symbol . string)    ;;  insert symbol-value: string
1747   (symbol . function)  ;;  (funcall) and if it returns string,
1748                        ;;  insert symbol-value: string
1749   (symbol . nil)       ;;  do nothing
1750   nil                  ;;  do nothing
1751   )"
1752   (unless (eq major-mode 'wl-draft-mode)
1753     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1754   (let ((halist header-alist)
1755         field value)
1756     (while halist
1757       (cond
1758        ;; function
1759        ((functionp (car halist)) (funcall (car halist)))
1760        ;; string
1761        ((stringp (car halist)) (insert (car halist) "\n"))
1762        ;; cons
1763        ((consp (car halist))
1764         (setq field (car (car halist)))
1765         (setq value (cdr (car halist)))
1766         (cond
1767          ((symbolp field)
1768           (cond
1769            ((eq field 'Body) ; body
1770             (insert value))
1771            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1772            ((functionp value)
1773             (let ((value-return (funcall value)))
1774               (when (stringp value-return)
1775                 (insert (symbol-name field) ": " value-return "\n"))))
1776            ((not value))
1777            (t
1778             (debug))))
1779          ;;
1780          ((not field))
1781          (t
1782           (debug))
1783          )))
1784       (setq halist (cdr halist)))))
1785
1786 (defun wl-draft-prepare-edit ()
1787   (unless (eq major-mode 'wl-draft-mode)
1788     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1789   (let (change-major-mode-hook)
1790     (wl-draft-editor-mode)
1791     (when wl-draft-write-file-function
1792       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1793     (wl-draft-overload-functions)
1794     (wl-highlight-headers 'for-draft)
1795     (wl-draft-save)
1796     (clear-visited-file-modtime)))
1797
1798 (defun wl-draft-decode-header ()
1799   (save-excursion
1800     (std11-narrow-to-header)
1801     (wl-draft-decode-message-in-buffer)
1802     (widen)))
1803
1804 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1805   (let ((content-type
1806          (or content-type
1807                 (std11-field-body "content-type")))
1808         (content-transfer-encoding
1809          (or content-transfer-encoding
1810              (std11-field-body "content-transfer-encoding")))
1811         delimline)
1812     (save-excursion
1813       (std11-narrow-to-header)
1814       (wl-draft-delete-field "content-type")
1815       (wl-draft-delete-field "content-transfer-encoding")
1816       (goto-char (point-max))
1817       (setq delimline (point-marker))
1818       (widen)
1819       (narrow-to-region delimline (point-max))
1820       (goto-char (point-min))
1821       (when content-type
1822         (insert "Content-type: " content-type "\n"))
1823       (when content-transfer-encoding
1824         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1825       (wl-draft-decode-message-in-buffer)
1826       (goto-char (point-min))
1827       (unless (re-search-forward "^$" (point-at-eol) t)
1828         (insert "\n"))
1829       (widen)
1830       delimline)))
1831
1832 ;;; subroutine for wl-draft-create-contents
1833 ;;; must be used in wl-draft-mode
1834 (defun wl-draft-check-new-line ()
1835   (if (not (= (preceding-char) ?\n))
1836       (insert ?\n)))
1837
1838 (defsubst wl-draft-trim-ccs (cc)
1839   (let ((field
1840          (if (functionp cc)
1841              (funcall cc)
1842            cc)))
1843     (if (and field
1844              (null (and wl-draft-delete-myself-from-bcc-fcc
1845                         (elmo-list-member
1846                          (mapcar 'wl-address-header-extract-address
1847                                  (append
1848                                   (wl-parse-addresses (std11-field-body "To"))
1849                                   (wl-parse-addresses (std11-field-body "Cc"))))
1850                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1851         field
1852       nil)))
1853
1854 (defsubst wl-draft-default-headers ()
1855   (list
1856    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1857                              (wl-address-header-extract-address
1858                               wl-from)))
1859    (cons 'User-Agent wl-generate-mailer-string-function)
1860    (cons 'Reply-To mail-default-reply-to)
1861    (cons 'Bcc (function
1862                (lambda ()
1863                  (wl-draft-trim-ccs
1864                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1865    (cons 'Fcc (function
1866                (lambda ()
1867                  (wl-draft-trim-ccs wl-fcc))))
1868    (cons 'Organization wl-organization)
1869    (and wl-auto-insert-x-face
1870         (file-exists-p wl-x-face-file)
1871         'wl-draft-insert-x-face-field-here) ;; allow nil
1872    mail-default-headers
1873    ;; check \n at th end of line for `mail-default-headers'
1874    'wl-draft-check-new-line
1875    ))
1876
1877 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1878   (save-excursion
1879     (if delimline
1880         (goto-char delimline)
1881       (goto-char (point-min))
1882       (if (search-forward "\n\n" nil t)
1883           (delete-backward-char 1)
1884         (goto-char (point-max))))
1885     (wl-draft-check-new-line)
1886     (put-text-property (point)
1887                        (progn
1888                          (insert mail-header-separator "\n")
1889                          (1- (point)))
1890                        'category 'mail-header-separator)
1891     (point)))
1892
1893 ;;;;;;;;;;;;;;;;
1894
1895 (defun wl-draft-elmo-nntp-send ()
1896   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1897         (elmo-nntp-default-user
1898          (or wl-nntp-posting-user elmo-nntp-default-user))
1899         (elmo-nntp-default-server
1900          (or wl-nntp-posting-server elmo-nntp-default-server))
1901         (elmo-nntp-default-port
1902          (or wl-nntp-posting-port elmo-nntp-default-port))
1903         (elmo-nntp-default-stream-type
1904          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1905         (elmo-nntp-default-function wl-nntp-posting-function)
1906         condition)
1907     (if (setq condition (cdr (elmo-string-matched-assoc
1908                               (std11-field-body "Newsgroups")
1909                               wl-nntp-posting-config-alist)))
1910         (if (stringp condition)
1911             (setq elmo-nntp-default-server condition)
1912           (while (car condition)
1913             (set (intern (format "elmo-nntp-default-%s"
1914                                  (symbol-name (caar condition))))
1915                  (cdar condition))
1916             (setq condition (cdr condition)))))
1917     (unless elmo-nntp-default-function
1918       (error "wl-draft-nntp-send: posting-function is nil"))
1919     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1920         (wl-draft-set-sent-message 'news 'unplugged
1921                                    (cons elmo-nntp-default-server
1922                                          elmo-nntp-default-port))
1923       (funcall elmo-nntp-default-function
1924                elmo-nntp-default-server (current-buffer))
1925       (wl-draft-set-sent-message 'news 'sent)
1926       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1927                               (std11-field-body "Newsgroups")
1928                               (std11-field-body "Message-ID")))))
1929
1930 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1931   "Generate clone of current buffer named NAME."
1932   (let ((editing-buffer (current-buffer)))
1933     (save-excursion
1934       (set-buffer (generate-new-buffer name))
1935       (erase-buffer)
1936       (wl-draft-mode)
1937       (wl-draft-editor-mode)
1938       (insert-buffer editing-buffer)
1939       (message "")
1940       (while local-variables
1941         (make-local-variable (car local-variables))
1942         (set (car local-variables)
1943              (save-excursion
1944                (set-buffer editing-buffer)
1945                (symbol-value (car local-variables))))
1946         (setq local-variables (cdr local-variables)))
1947       (current-buffer))))
1948
1949 (defun wl-draft-remove-text-plain-tag ()
1950   "Remove text/plain tag of mime-edit."
1951   (when (string= (mime-make-text-tag "plain")
1952                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1953     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1954
1955 (defun wl-draft-reedit (number)
1956   (let ((draft-folder (wl-folder-get-elmo-folder wl-draft-folder))
1957         (wl-draft-reedit t)
1958         buffer file-name change-major-mode-hook body-top)
1959     (setq file-name (elmo-message-file-name draft-folder number))
1960     (unless (file-exists-p file-name)
1961       (error "File %s does not exist" file-name))
1962     (if (setq buffer (get-buffer
1963                       (concat wl-draft-folder "/"
1964                               (number-to-string number))))
1965         (progn
1966           (if wl-draft-use-frame
1967               (switch-to-buffer-other-frame buffer)
1968             (switch-to-buffer buffer))
1969           (set-buffer buffer))
1970       (setq buffer (get-buffer-create (number-to-string number)))
1971       ;; switch-buffer according to draft buffer style.
1972       (if wl-draft-use-frame
1973           (switch-to-buffer-other-frame buffer)
1974         (case wl-draft-buffer-style
1975           (split
1976            (split-window-vertically)
1977            (other-window 1)
1978            (switch-to-buffer buffer))
1979           (keep
1980            (switch-to-buffer buffer))
1981           (full
1982            (delete-other-windows)
1983            (switch-to-buffer buffer))
1984           (t (if (functionp wl-draft-buffer-style)
1985                  (funcall wl-draft-buffer-style buffer)
1986                (error "Invalid value for wl-draft-buffer-style")))))
1987       (set-buffer buffer)
1988       (setq wl-draft-parent-folder "")
1989       (insert-file-contents-as-binary file-name)
1990       (elmo-delete-cr-buffer)
1991       (let((mime-edit-again-ignored-field-regexp
1992             "^\\(Content-.*\\|Mime-Version\\):"))
1993         (wl-draft-decode-message-in-buffer))
1994       (setq body-top (wl-draft-insert-mail-header-separator))
1995       (if (not (string-match (regexp-quote wl-draft-folder)
1996                              (buffer-name)))
1997           (rename-buffer (concat wl-draft-folder "/" (buffer-name))))
1998       (auto-save-mode -1)
1999       (wl-draft-mode)
2000       (setq buffer-file-name file-name)
2001       (make-local-variable 'truncate-partial-width-windows)
2002       (setq truncate-partial-width-windows nil)
2003       (setq truncate-lines wl-draft-truncate-lines)
2004       (setq wl-sent-message-via nil)
2005       (setq wl-sent-message-queued nil)
2006       (setq wl-draft-buffer-file-name file-name)
2007       (wl-draft-config-info-operation number 'load)
2008       (goto-char (point-min))
2009       (wl-draft-overload-functions)
2010       (wl-draft-editor-mode)
2011       (when wl-draft-write-file-function
2012         (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2013       (wl-highlight-headers 'for-draft)
2014       (goto-char body-top)
2015       (run-hooks 'wl-draft-reedit-hook)
2016       (goto-char (point-max))
2017       buffer)))
2018
2019 (defmacro wl-draft-body-goto-top ()
2020   (` (progn
2021        (goto-char (point-min))
2022        (if (re-search-forward mail-header-separator nil t)
2023            (forward-char 1)
2024          (goto-char (point-max))))))
2025
2026 (defmacro wl-draft-body-goto-bottom ()
2027   (` (goto-char (point-max))))
2028
2029 (defmacro wl-draft-config-body-goto-header ()
2030   (` (progn
2031        (goto-char (point-min))
2032        (if (re-search-forward mail-header-separator nil t)
2033            (beginning-of-line)
2034          (goto-char (point-max))))))
2035
2036 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2037   (let (content-value)
2038     (when (and content
2039                (stringp (setq content-value (eval content))))
2040       (insert content-value)
2041       (if newline (insert "\n")))))
2042
2043 (defun wl-draft-config-sub-body (content)
2044   (wl-draft-body-goto-top)
2045   (delete-region (point) (point-max))
2046   (wl-draft-config-sub-eval-insert content))
2047
2048 (defun wl-draft-config-sub-top (content)
2049   (wl-draft-body-goto-top)
2050   (wl-draft-config-sub-eval-insert content))
2051
2052 (defun wl-draft-config-sub-bottom (content)
2053   (wl-draft-body-goto-bottom)
2054   (wl-draft-config-sub-eval-insert content))
2055
2056 (defun wl-draft-config-sub-header (content)
2057   (wl-draft-config-body-goto-header)
2058   (wl-draft-config-sub-eval-insert content 'newline))
2059
2060 (defun wl-draft-config-sub-header-top (content)
2061   (goto-char (point-min))
2062   (wl-draft-config-sub-eval-insert content 'newline))
2063
2064 (defun wl-draft-config-sub-part-top (content)
2065   (goto-char (mime-edit-content-beginning))
2066   (wl-draft-config-sub-eval-insert content 'newline))
2067
2068 (defun wl-draft-config-sub-part-bottom (content)
2069   (goto-char (mime-edit-content-end))
2070   (wl-draft-config-sub-eval-insert content 'newline))
2071
2072 (defsubst wl-draft-config-sub-file (content)
2073   (let ((coding-system-for-read wl-cs-autoconv)
2074         (file (expand-file-name (eval content))))
2075     (if (file-exists-p file)
2076         (insert-file-contents file)
2077       (error "%s: no exists file" file))))
2078
2079 (defun wl-draft-config-sub-body-file (content)
2080   (wl-draft-body-goto-top)
2081   (delete-region (point) (point-max))
2082   (wl-draft-config-sub-file content))
2083
2084 (defun wl-draft-config-sub-top-file (content)
2085   (wl-draft-body-goto-top)
2086   (wl-draft-config-sub-file content))
2087
2088 (defun wl-draft-config-sub-bottom-file (content)
2089   (wl-draft-body-goto-bottom)
2090   (wl-draft-config-sub-file content))
2091
2092 (defun wl-draft-config-sub-header-file (content)
2093   (wl-draft-config-body-goto-header)
2094   (wl-draft-config-sub-file content))
2095
2096 (defun wl-draft-config-sub-template (content)
2097   (setq wl-draft-config-variables
2098         (wl-template-insert (eval content))))
2099
2100 (defun wl-draft-config-sub-x-face (content)
2101   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2102            (fboundp 'x-face-insert)) ; x-face.el is installed.
2103       (x-face-insert content)
2104     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2105
2106 (defsubst wl-draft-config-sub-func (field content)
2107   (let (func)
2108     (if (setq func (assq field wl-draft-config-sub-func-alist))
2109         (let (wl-draft-config-variables)
2110           (funcall (cdr func) content)
2111           ;; for wl-draft-config-sub-template
2112           (cons t wl-draft-config-variables)))))
2113
2114 (defsubst wl-draft-config-exec-sub (clist)
2115   (let (config local-variables)
2116     (while clist
2117       (setq config (car clist))
2118       (cond
2119        ((functionp config)
2120         (funcall config))
2121        ((consp config)
2122         (let ((field (car config))
2123               (content (cdr config))
2124               ret-val)
2125           (cond
2126            ((stringp field)
2127             (wl-draft-replace-field field (eval content) t))
2128            ((setq ret-val (wl-draft-config-sub-func field content))
2129             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2130                 (wl-append local-variables (cdr ret-val))))
2131            ((boundp field) ;; variable
2132             (make-local-variable field)
2133             (set field (eval content))
2134             (wl-append local-variables (list field)))
2135            (t
2136             (error "%s: not variable" field)))))
2137        (t
2138         (error "%s: not supported type" config)))
2139       (setq clist (cdr clist)))
2140     local-variables))
2141
2142 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2143   "Change headers in draft preparation time."
2144   (interactive)
2145   (unless wl-draft-reedit
2146     (let ((config-alist
2147            (or config-alist
2148                (and (boundp 'wl-draft-prepared-config-alist)
2149                     wl-draft-prepared-config-alist)     ;; For compatible.
2150                wl-draft-config-alist)))
2151       (if config-alist
2152           (wl-draft-config-exec config-alist reply-buf)))))
2153
2154 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2155   "Change headers according to the value of `wl-draft-config-alist'.
2156 Automatically applied in draft sending time."
2157   (interactive)
2158   (let ((case-fold-search t)
2159         (alist (or config-alist wl-draft-config-alist))
2160         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2161                                       wl-draft-reply-buffer)))
2162         (local-variables wl-draft-config-variables)
2163         key clist found)
2164     (when (and (or (interactive-p)
2165                    wl-draft-config-exec-flag)
2166                alist)
2167       (save-excursion
2168         (catch 'done
2169           (while alist
2170             (setq key (caar alist)
2171                   clist (cdar alist))
2172             (cond
2173              ((eq key 'reply)
2174               (when (and
2175                      reply-buf
2176                      (save-excursion
2177                        (set-buffer reply-buf)
2178                        (save-restriction
2179                          (std11-narrow-to-header)
2180                          (goto-char (point-min))
2181                          (re-search-forward (car clist) nil t))))
2182                 (wl-draft-config-exec-sub (cdr clist))
2183                 (setq found t)))
2184              ((stringp key)
2185               (when (save-restriction
2186                       (std11-narrow-to-header mail-header-separator)
2187                       (goto-char (point-min))
2188                       (re-search-forward key nil t))
2189                 (wl-append local-variables
2190                            (wl-draft-config-exec-sub clist))
2191                 (setq found t)))
2192              ((eval key)
2193               (wl-append local-variables
2194                          (wl-draft-config-exec-sub clist))
2195               (setq found t)))
2196             (if (and found wl-draft-config-matchone)
2197                 (throw 'done t))
2198             (setq alist (cdr alist))))
2199         (if found
2200             (setq wl-draft-config-exec-flag nil))
2201         (run-hooks 'wl-draft-config-exec-hook)
2202         (put-text-property (point-min)(point-max) 'face nil)
2203         (wl-highlight-message (point-min)(point-max) t)
2204         (setq wl-draft-config-variables
2205               (elmo-uniq-list local-variables))))))
2206
2207 (defun wl-draft-replace-field (field content &optional add)
2208   (save-excursion
2209     (save-restriction
2210       (let ((case-fold-search t)
2211             (inhibit-read-only t) ;; added by teranisi.
2212             beg)
2213         (std11-narrow-to-header mail-header-separator)
2214         (goto-char (point-min))
2215         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2216             (if content
2217                 ;; replace field
2218                 (progn
2219                   (setq beg (point))
2220                   (re-search-forward "^[^ \t]" nil 'move)
2221                   (beginning-of-line)
2222                   (skip-chars-backward "\n")
2223                   (delete-region beg (point))
2224                   (insert " " content))
2225               ;; delete field
2226               (save-excursion
2227                 (beginning-of-line)
2228                 (setq beg (point)))
2229               (re-search-forward "^[^ \t]" nil 'move)
2230               (beginning-of-line)
2231               (delete-region beg (point)))
2232           (when (and add content)
2233             ;; add field
2234             (goto-char (point-max))
2235             (insert (concat field ": " content "\n"))))))))
2236
2237 (defun wl-draft-config-info-operation (msg operation)
2238   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-folder-get-elmo-folder
2239                                              wl-draft-folder)))
2240          (filename
2241           (expand-file-name
2242            (format "%s-%d" wl-draft-config-save-filename msg)
2243            msgdb-dir))
2244          element alist variable)
2245     (cond
2246      ((eq operation 'save)
2247       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2248         (while (setq variable (pop variables))
2249           (when (boundp variable)
2250             (wl-append alist
2251                        (list (cons variable (eval variable))))))
2252         (elmo-object-save filename alist)))
2253      ((eq operation 'load)
2254       (setq alist (elmo-object-load filename))
2255       (while (setq element (pop alist))
2256         (set (make-local-variable (car element)) (cdr element))
2257         (wl-append wl-draft-config-variables (list (car element)))))
2258      ((eq operation 'delete)
2259       (if (file-exists-p filename)
2260           (delete-file filename))))))
2261
2262 (defun wl-draft-queue-info-operation (msg operation
2263                                           &optional add-sent-message-via)
2264   (let* ((msgdb-dir (elmo-folder-msgdb-path
2265                      (wl-folder-get-elmo-folder wl-queue-folder)))
2266          (filename
2267           (expand-file-name
2268            (format "%s-%d" wl-draft-queue-save-filename msg)
2269            msgdb-dir))
2270          element alist variable)
2271     (cond
2272      ((eq operation 'save)
2273       (let ((variables (elmo-uniq-list
2274                         (append wl-draft-queue-save-variables
2275                                 wl-draft-config-variables
2276                                 (list 'wl-draft-fcc-list)))))
2277         (if add-sent-message-via
2278             (progn
2279               (push 'wl-sent-message-queued variables)
2280               (push 'wl-sent-message-via variables)))
2281         (while (setq variable (pop variables))
2282           (when (boundp variable)
2283             (wl-append alist
2284                        (list (cons variable (eval variable))))))
2285         (elmo-object-save filename alist)))
2286      ((eq operation 'load)
2287       (setq alist (elmo-object-load filename))
2288       (while (setq element (pop alist))
2289         (set (make-local-variable (car element)) (cdr element))))
2290      ((eq operation 'get-sent-via)
2291       (setq alist (elmo-object-load filename))
2292       (cdr (assq 'wl-sent-message-via alist)))
2293      ((eq operation 'delete)
2294       (if (file-exists-p filename)
2295           (delete-file filename))))))
2296
2297 (defun wl-draft-queue-append (wl-sent-message-via)
2298   (if wl-draft-verbose-send
2299       (message "Queuing..."))
2300   (let ((send-buffer (current-buffer))
2301         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2302         (message-id (std11-field-body "Message-ID")))
2303     (if (elmo-folder-append-buffer folder)
2304         (progn
2305           (wl-draft-queue-info-operation
2306            (car (elmo-folder-status folder))
2307            'save wl-sent-message-via)
2308           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2309           (when wl-draft-verbose-send
2310             (setq wl-draft-verbose-msg "Queuing...")
2311             (message "Queuing...done")))
2312       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2313       (error "Queuing failed"))))
2314
2315 (defun wl-draft-queue-flush ()
2316   "Flush draft queue."
2317   (interactive)
2318   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2319          (msgs2 (progn
2320                   (elmo-folder-open-internal queue-folder)
2321                   (elmo-folder-list-messages queue-folder)))
2322          (i 0)
2323          (performed 0)
2324          (wl-draft-queue-flushing t)
2325          msgs failure len buffer msgid sent-via)
2326     ;; get plugged send message
2327     (while msgs2
2328       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2329       (catch 'found
2330         (while sent-via
2331           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2332                      (or (not (nth 2 (car sent-via)))
2333                          (elmo-plugged-p
2334                           (car (nth 2 (car sent-via)))
2335                           (cdr (nth 2 (car sent-via))))))
2336             (wl-append msgs (list (car msgs2)))
2337             (throw 'found t))
2338           (setq sent-via (cdr sent-via))))
2339       (setq msgs2 (cdr msgs2)))
2340     (when (> (setq len (length msgs)) 0)
2341       (if (elmo-y-or-n-p (format
2342                           "%d message(s) are in the sending queue.  Send now? "
2343                           len)
2344                          (not elmo-dop-flush-confirm) t)
2345           (progn
2346             (save-excursion
2347               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2348               (set-buffer buffer)
2349               (while msgs
2350                 ;; reset buffer local variables
2351                 (kill-all-local-variables)
2352                 (erase-buffer)
2353                 (setq i (+ 1 i)
2354                       failure nil)
2355                 (setq wl-sent-message-via nil)
2356                 (wl-draft-queue-info-operation (car msgs) 'load)
2357                 (elmo-message-fetch queue-folder
2358                                     (car msgs)
2359                                     (elmo-make-fetch-strategy 'entire)
2360                                     nil (current-buffer))
2361                 (condition-case err
2362                     (setq failure (funcall
2363                                    wl-draft-queue-flush-send-function
2364                                    (format "Sending (%d/%d)..." i len)))
2365 ;;;               (wl-draft-raw-send nil nil
2366 ;;;                                  (format "Sending (%d/%d)..." i len))
2367                   (error
2368                    (elmo-display-error err t)
2369                    (setq failure t))
2370                   (quit
2371                    (setq failure t)))
2372                 (if (eq wl-sent-message-modified 'requeue)
2373                     (progn
2374                       (elmo-folder-delete-messages
2375                        queue-folder (cons (car msgs) nil))
2376                       (wl-draft-queue-info-operation (car msgs) 'delete))
2377                   (unless failure
2378                     (elmo-folder-delete-messages
2379                      queue-folder (cons (car msgs) nil))
2380                     (wl-draft-queue-info-operation (car msgs) 'delete)
2381                     (setq performed (+ 1 performed))))
2382                 (setq msgs (cdr msgs)))
2383               (kill-buffer buffer)
2384               (message "%d message(s) are sent." performed)))
2385         (message "%d message(s) are remained to be sent." len))
2386       (elmo-folder-close queue-folder)
2387       len)))
2388
2389 (defun wl-jump-to-draft-buffer (&optional arg)
2390   "Jump to the draft if exists."
2391   (interactive "P")
2392   (if arg
2393       (wl-jump-to-draft-folder)
2394     (let ((draft-bufs (wl-collect-draft))
2395           buf)
2396       (cond
2397        ((null draft-bufs)
2398         (message "No draft buffer exist."))
2399        (t
2400         (setq draft-bufs
2401               (sort (mapcar 'buffer-name draft-bufs)
2402                     (function (lambda (a b)
2403                                 (not (string< a b))))))
2404         (if (setq buf (cdr (member (buffer-name)
2405                                    draft-bufs)))
2406             (setq buf (car buf))
2407           (setq buf (car draft-bufs)))
2408         (switch-to-buffer buf))))))
2409
2410 (defun wl-jump-to-draft-folder ()
2411   (let ((msgs (reverse (elmo-folder-list-messages (wl-folder-get-elmo-folder
2412                                                    wl-draft-folder))))
2413         (mybuf (buffer-name))
2414         msg buf)
2415     (if (not msgs)
2416         (message "No draft message exist.")
2417       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2418           (setq msg (cadr (memq
2419                            (string-to-int (substring mybuf (match-end 0)))
2420                            msgs))))
2421       (or msg (setq msg (car msgs)))
2422       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2423           (switch-to-buffer buf)
2424         (wl-draft-reedit msg)))))
2425
2426 (defun wl-draft-highlight-and-recenter (&optional n)
2427   (interactive "P")
2428   (when wl-highlight-body-too
2429     (let ((modified (buffer-modified-p)))
2430       (unwind-protect
2431           (progn
2432             (put-text-property (point-min) (point-max) 'face nil)
2433             (wl-highlight-message (point-min) (point-max) t))
2434         (set-buffer-modified-p modified))))
2435   (recenter n))
2436
2437 ;;;; user-agent support by Sen Nagata
2438
2439 ;; this appears to be necessarily global...
2440 (defvar wl-user-agent-compose-p nil)
2441 (defvar wl-user-agent-headers-and-body-alist nil)
2442
2443 ;; this should be a generic function for mail-mode -- i wish there was
2444 ;; something like it in sendmail.el
2445 (defun wl-user-agent-insert-header (header-name header-value)
2446   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2447   ;; it seems like overriding existing headers is acceptable -- should
2448   ;; we provide an option?
2449
2450   ;; plan was: unfold header (might be folded), remove existing value, insert
2451   ;;           new value
2452   ;; wl doesn't seem to fold header lines yet anyway :-)
2453
2454   (let ((kill-whole-line t)
2455         end-of-line)
2456     (mail-position-on-field (capitalize header-name))
2457     (setq end-of-line (point))
2458     (beginning-of-line)
2459     (re-search-forward ":" end-of-line)
2460     (insert (concat " " header-value "\n"))
2461     (kill-line)))
2462
2463 ;; this should be a generic function for mail-mode -- i wish there was
2464 ;; something like it in sendmail.el
2465 ;;
2466 ;; ** haven't dealt w/ case where the body is already set **
2467 (defun wl-user-agent-insert-body (body-text)
2468   "Insert a body of text, BODY-TEXT, into a message."
2469   ;; code defensively... :-P
2470   (goto-char (point-min))
2471   (search-forward mail-header-separator)
2472   (forward-line 1)
2473   (insert body-text))
2474
2475 ;;;###autoload
2476 (defun wl-user-agent-compose (&optional to subject other-headers continue
2477                                         switch-function yank-action
2478                                         send-actions)
2479   "Support the `compose-mail' interface for wl.
2480 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2481 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2482 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2483
2484   (unless (featurep 'wl)
2485     (require 'wl))
2486   (or switch-function
2487       (setq switch-function 'keep))
2488   ;; protect these -- to and subject get bound at some point, so it looks
2489   ;; to be necessary to protect the values used w/in
2490   (let ((wl-user-agent-headers-and-body-alist other-headers)
2491         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2492         (wl-draft-buffer-style switch-function))
2493     (if to
2494         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2495                                    'ignore-case)
2496             (setcdr
2497              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2498                                     'ignore-case)
2499              to)
2500           (setq wl-user-agent-headers-and-body-alist
2501                 (cons (cons "to" to)
2502                       wl-user-agent-headers-and-body-alist))))
2503     (if subject
2504         (if (wl-string-match-assoc "subject"
2505                                    wl-user-agent-headers-and-body-alist
2506                                    'ignore-case)
2507             (setcdr
2508              (wl-string-match-assoc "subject"
2509                                     wl-user-agent-headers-and-body-alist
2510                                     'ignore-case)
2511              subject)
2512           (setq wl-user-agent-headers-and-body-alist
2513                 (cons (cons "subject" subject)
2514                       wl-user-agent-headers-and-body-alist))))
2515     ;; i think this is what we want to use...
2516     (unwind-protect
2517         (progn
2518           ;; tell the hook-function to do its stuff
2519           (setq wl-user-agent-compose-p t)
2520           ;; because to get the hooks working, wl-draft has to think it has
2521           ;; been called interactively
2522           (call-interactively 'wl-draft))
2523       (setq wl-user-agent-compose-p nil))))
2524
2525 (defun wl-user-agent-compose-internal ()
2526   "Manipulate headers and/or a body of a draft message."
2527   ;; being called from wl-user-agent-compose?
2528   (if wl-user-agent-compose-p
2529       (progn
2530         ;; insert headers
2531         (let ((headers wl-user-agent-headers-and-body-alist)
2532               (case-fold-search t))
2533           (while headers
2534             ;; skip body
2535             (if (not (string-match "^body$" (car (car headers))))
2536                 (wl-user-agent-insert-header
2537                  (car (car headers)) (cdr (car headers)))
2538               t)
2539             (setq headers (cdr headers))))
2540         ;; highlight headers (from wl-draft in wl-draft.el)
2541         (wl-highlight-headers 'for-draft)
2542         ;; insert body
2543         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2544                                    'ignore-case)
2545             (wl-user-agent-insert-body
2546              (cdr (wl-string-match-assoc
2547                    "body"
2548                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2549     t))
2550
2551 (require 'product)
2552 (product-provide (provide 'wl-draft) (require 'wl-version))
2553
2554 ;;; wl-draft.el ends here