wl/wl-draft.el

   1 ;;; wl-draft.el --- Message draft mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5
   6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
   8 ;; Keywords: mail, net news
   9
  10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  11
  12 ;; This program is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16 ;;
  17 ;; This program is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21 ;;
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26 ;;
  27
  28 ;;; Commentary:
  29 ;;
  30
  31 ;;; Code:
  32 ;;
  33
  34 (require 'sendmail)
  35 (require 'wl-template)
  36 (require 'emu)
  37 (condition-case nil (require 'timezone) (error nil))
  38 (require 'std11)
  39 (require 'eword-encode)
  40 (require 'wl-vars)
  41
  42 (defvar x-face-add-x-face-version-header)
  43 (defvar mail-reply-buffer)
  44 (defvar mail-from-style)
  45
  46 (eval-when-compile
  47   (require 'cl)
  48   (require 'static)
  49   (require 'elmo-pop3)
  50   (defalias-maybe 'x-face-insert 'ignore)
  51   (defalias-maybe 'x-face-insert-version-header 'ignore)
  52   (defalias-maybe 'wl-init 'ignore)
  53   (defalias-maybe 'wl-draft-mode 'ignore))
  54
  55 (eval-and-compile
  56   (autoload 'wl-addrmgr "wl-addrmgr"))
  57
  58 (autoload 'open-ssl-stream "ssl")
  59
  60 (defvar wl-draft-buffer-message-number nil)
  61 (defvar wl-draft-field-completion-list nil)
  62 (defvar wl-draft-verbose-send t)
  63 (defvar wl-draft-verbose-msg nil)
  64 (defvar wl-draft-queue-flushing nil)
  65 (defvar wl-draft-config-variables nil)
  66 (defvar wl-draft-config-exec-flag t)
  67 (defvar wl-draft-buffer-cur-summary-buffer nil)
  68 (defvar wl-draft-clone-local-variable-regexp "^\\(wl\\|mime\\)")
  69 (defvar wl-draft-sendlog-filename "sendlog")
  70 (defvar wl-draft-queue-save-filename "qinfo")
  71 (defvar wl-draft-config-save-filename "config")
  72 (defvar wl-draft-queue-flush-send-function 'wl-draft-dispatch-message)
  73 (defvar wl-sent-message-via nil)
  74 (defvar wl-sent-message-modified nil)
  75 (defvar wl-sent-message-queued nil)
  76 (defvar wl-draft-fcc-list nil)
  77 (defvar wl-draft-reedit nil)
  78 (defvar wl-draft-reply-buffer nil)
  79 (defvar wl-draft-forward nil)
  80 (defvar wl-draft-doing-mime-bcc nil)
  81
  82 (defvar wl-draft-parent-folder nil
  83   "Folder name of the summary in which current draft is invoked.
  84 This variable is local in each draft buffer.
  85 You can refer its value in `wl-draft-config-alist'.
  86
  87 e.g.
  88 \(setq wl-draft-config-alist
  89       '(((string-match \".*@domain1$\" wl-draft-parent-folder)
  90          (\"From\" . \"user@domain1\"))
  91         ((string-match \".*@domain2$\" wl-draft-parent-folder)
  92          (\"From\" . \"user@domain2\"))))")
  93
  94 (defvar wl-draft-parent-number nil)
  95 (defvar wl-draft-parent-flag nil)
  96
  97 (defconst wl-draft-parent-variables
  98   '(wl-draft-parent-folder
  99     wl-draft-parent-number
 100     wl-draft-parent-flag))
 101
 102 (defvar wl-draft-config-sub-func-alist
 103   '((body               . wl-draft-config-sub-body)
 104     (top                . wl-draft-config-sub-top)
 105     (bottom             . wl-draft-config-sub-bottom)
 106     (header             . wl-draft-config-sub-header)
 107     (header-top         . wl-draft-config-sub-header-top)
 108     (header-bottom      . wl-draft-config-sub-header)
 109     (part-top           . wl-draft-config-sub-part-top)
 110     (part-bottom        . wl-draft-config-sub-part-bottom)
 111     (body-file          . wl-draft-config-sub-body-file)
 112     (top-file           . wl-draft-config-sub-top-file)
 113     (bottom-file        . wl-draft-config-sub-bottom-file)
 114     (header-file        . wl-draft-config-sub-header-file)
 115     (template           . wl-draft-config-sub-template)
 116     (x-face             . wl-draft-config-sub-x-face)))
 117
 118 (make-variable-buffer-local 'wl-draft-buffer-message-number)
 119 (make-variable-buffer-local 'wl-draft-buffer-cur-summary-buffer)
 120 (make-variable-buffer-local 'wl-draft-config-variables)
 121 (make-variable-buffer-local 'wl-draft-config-exec-flag)
 122 (make-variable-buffer-local 'wl-sent-message-via)
 123 (make-variable-buffer-local 'wl-sent-message-queued)
 124 (make-variable-buffer-local 'wl-draft-fcc-list)
 125 (make-variable-buffer-local 'wl-draft-reply-buffer)
 126 (make-variable-buffer-local 'wl-draft-parent-folder)
 127 (make-variable-buffer-local 'wl-draft-parent-number)
 128 (make-variable-buffer-local 'wl-draft-parent-flag)
 129
 130 (defvar wl-draft-folder-internal nil
 131   "Internal variable for caching `opened' draft folder.")
 132
 133 (defsubst wl-smtp-password-key (user mechanism server)
 134   (format "SMTP:%s/%s@%s"
 135           user mechanism server))
 136
 137 (defmacro wl-smtp-extension-bind (&rest body)
 138   (` (let* ((smtp-sasl-mechanisms
 139              (if wl-smtp-authenticate-type
 140                  (mapcar 'upcase
 141                          (if (listp wl-smtp-authenticate-type)
 142                              wl-smtp-authenticate-type
 143                            (list wl-smtp-authenticate-type)))))
 144             (smtp-use-sasl (and smtp-sasl-mechanisms t))
 145             (smtp-use-starttls (eq wl-smtp-connection-type 'starttls))
 146             (smtp-open-connection-function
 147              (if (eq wl-smtp-connection-type 'ssl)
 148                  #'open-ssl-stream
 149                smtp-open-connection-function))
 150             (smtp-end-of-line
 151              (if (eq wl-smtp-connection-type 'ssl)
 152                  "\n"
 153                smtp-end-of-line))
 154             smtp-sasl-user-name smtp-sasl-properties sasl-read-passphrase)
 155        (if (and (string= (car smtp-sasl-mechanisms) "DIGEST-MD5")
 156                 ;; sendmail bug?
 157                 (string-match "^\\([^@]*\\)@\\([^@]*\\)"
 158                               wl-smtp-posting-user))
 159            (setq smtp-sasl-user-name (match-string 1 wl-smtp-posting-user)
 160                  smtp-sasl-properties (list 'realm
 161                                             (match-string 2 wl-smtp-posting-user)))
 162          (setq smtp-sasl-user-name wl-smtp-posting-user
 163                smtp-sasl-properties nil))
 164        (setq sasl-read-passphrase
 165              (function
 166               (lambda (prompt)
 167                 (elmo-get-passwd
 168                  (wl-smtp-password-key
 169                   smtp-sasl-user-name
 170                   (car smtp-sasl-mechanisms)
 171                   smtp-server)))))
 172        (,@ body))))
 173
 174 (defun wl-draft-insert-date-field ()
 175   "Insert Date field."
 176   (insert "Date: " (wl-make-date-string) "\n"))
 177
 178 (defun wl-draft-insert-from-field ()
 179   "Insert From field."
 180   ;; Put the "From:" field in unless for some odd reason
 181   ;; they put one in themselves.
 182   (let (from)
 183     (condition-case err
 184         (setq from (wl-draft-eword-encode-address-list wl-from))
 185       (error (error "Please look at `wl-from' again")))
 186     (insert "From: " from "\n")))
 187
 188 (defun wl-draft-insert-x-face-field ()
 189   "Insert X-Face header."
 190   (interactive)
 191   (if (not (file-exists-p wl-x-face-file))
 192       (error "File %s does not exist" wl-x-face-file)
 193     (goto-char (point-min))
 194     (search-forward mail-header-separator nil t)
 195     (beginning-of-line)
 196     (wl-draft-insert-x-face-field-here)
 197     (run-hooks 'wl-draft-insert-x-face-field-hook))) ; highlight it if you want.
 198
 199 (defun wl-draft-insert-x-face-field-here ()
 200   "Insert X-Face field at point."
 201   (let ((x-face-string (elmo-get-file-string wl-x-face-file)))
 202     (when (string-match "^\\(X-Face:\\)?[ \t\n]*" x-face-string)
 203       (setq x-face-string (substring x-face-string (match-end 0))))
 204     (insert "X-Face: " x-face-string))
 205   (when (not (= (preceding-char) ?\n))  ; for chomped (choped) x-face-string
 206     (insert ?\n))
 207   ;; Insert X-Face-Version: field
 208   (when (and (fboundp 'x-face-insert-version-header)
 209              (boundp 'x-face-add-x-face-version-header)
 210              x-face-add-x-face-version-header)
 211     (x-face-insert-version-header)))
 212
 213 (defun wl-draft-setup ()
 214   (let ((field wl-draft-fields)
 215         cl)
 216     (while field
 217       (setq cl (append cl
 218                        (list (cons (concat (car field) " ")
 219                                    (concat (car field) " ")))))
 220       (setq field (cdr field)))
 221     (setq cl
 222           (cons (cons (concat wl-draft-mime-bcc-field-name  ": ")
 223                       (concat wl-draft-mime-bcc-field-name  ": "))
 224                 cl))
 225     (setq wl-draft-field-completion-list cl)
 226     (setq wl-address-complete-header-regexp
 227           (wl-regexp-opt
 228            (append wl-address-complete-header-list
 229                    (list (concat wl-draft-mime-bcc-field-name  ":")))))))
 230
 231 (defun wl-draft-make-mail-followup-to (recipients)
 232   (let ((rlist (wl-address-delete-user-mail-addresses recipients)))
 233     (if (elmo-list-member rlist (mapcar 'downcase
 234                                         wl-subscribed-mailing-list))
 235         rlist
 236       (append rlist (list (wl-address-header-extract-address
 237                            wl-from))))))
 238
 239 (defun wl-draft-delete-myself-from-cc (to cc)
 240   (cond (wl-draft-always-delete-myself ; always-delete option
 241          (wl-address-delete-user-mail-addresses cc))
 242         ((elmo-list-member (append to cc) ; subscribed mailing-list
 243                            (mapcar 'downcase wl-subscribed-mailing-list))
 244          (wl-address-delete-user-mail-addresses cc))
 245         (t cc)))
 246
 247 (defsubst wl-draft-strip-subject-regexp (subject regexp)
 248   "Remove REGEXP from SUBJECT string."
 249   (if (string-match regexp subject)
 250       (substring subject (match-end 0))
 251     subject))
 252
 253 (defun wl-draft-forward-make-subject (original-subject)
 254   "Generate subject string for forwarding."
 255   (cond ((functionp wl-forward-subject-prefix)
 256          (concat (funcall wl-forward-subject-prefix)
 257                  original-subject))
 258         ((stringp wl-forward-subject-prefix)
 259          (concat wl-forward-subject-prefix
 260                  (wl-draft-strip-subject-regexp
 261                   (or original-subject "")
 262                   wl-subject-forward-prefix-regexp)))
 263         (t original-subject)))
 264
 265 (defun wl-draft-reply-make-subject (original-subject)
 266   "Generate subject string for replying."
 267   (cond ((functionp wl-reply-subject-prefix)
 268          (concat (funcall wl-reply-subject-prefix)
 269                  original-subject))
 270         ((stringp wl-reply-subject-prefix)
 271          (concat wl-reply-subject-prefix
 272                  (wl-draft-strip-subject-regexp
 273                   (or original-subject "")
 274                   wl-subject-re-prefix-regexp)))
 275         (t original-subject)))
 276
 277 (defun wl-draft-forward (original-subject summary-buf &optional number)
 278   (let (references parent-folder subject)
 279     (with-current-buffer summary-buf
 280       (setq parent-folder (wl-summary-buffer-folder-name)))
 281     (setq subject (wl-draft-forward-make-subject original-subject))
 282     (with-current-buffer (wl-message-get-original-buffer)
 283       (setq references (nconc
 284                         (std11-field-bodies '("References" "In-Reply-To"))
 285                         (list (std11-field-body "Message-Id"))))
 286       (setq references (delq nil references)
 287             references (mapconcat 'identity references " ")
 288             references (wl-draft-parse-msg-id-list-string references)
 289             references (wl-delete-duplicates references)
 290             references (when references
 291                          (mapconcat 'identity references "\n\t"))))
 292     (and wl-draft-use-frame
 293          (get-buffer-window summary-buf)
 294          (select-window (get-buffer-window summary-buf)))
 295     (wl-draft (list (cons 'To "")
 296                     (cons 'Subject subject)
 297                     (cons 'References references))
 298               nil nil nil nil parent-folder))
 299   (setq wl-draft-parent-number number)
 300   (goto-char (point-max))
 301   (wl-draft-insert-message)
 302   (mail-position-on-field "To")
 303   (setq wl-draft-config-variables
 304         (append wl-draft-parent-variables
 305                 wl-draft-config-variables))
 306   (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
 307   (run-hooks 'wl-draft-forward-hook))
 308
 309 (defun wl-draft-self-reply-p ()
 310   "Return t when From address in the current message is user's self one or not."
 311   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
 312
 313 (defun wl-draft-reply (buf with-arg summary-buf &optional number)
 314   "Reply to BUF buffer message.
 315 Reply to author if WITH-ARG is non-nil."
 316 ;;;(save-excursion
 317   (let (r-list
 318         to mail-followup-to cc subject in-reply-to references newsgroups
 319         to-alist cc-alist decoder parent-folder)
 320     (when (buffer-live-p summary-buf)
 321       (with-current-buffer summary-buf
 322         (setq parent-folder (wl-summary-buffer-folder-name))))
 323     (set-buffer (or buf mime-mother-buffer))
 324     (setq r-list (if with-arg wl-draft-reply-with-argument-list
 325                    wl-draft-reply-without-argument-list))
 326     (catch 'done
 327       (while r-list
 328         (when (let ((condition (car (car r-list))))
 329                 (cond ((stringp condition)
 330                        (std11-field-body condition))
 331                       ((listp condition)
 332                        (catch 'done
 333                          (while condition
 334                            (cond
 335                             ((stringp (car condition))
 336                              (or (std11-field-body (car condition))
 337                                  (throw 'done nil)))
 338                             ((symbolp (car condition))
 339                              (or (funcall (car condition))
 340                                  (throw 'done nil)))
 341                             (t
 342                              (debug)))
 343                            (setq condition (cdr condition)))
 344                          t))
 345                       ((symbolp condition)
 346                        (funcall condition))))
 347           (let ((r-to-list (nth 0 (cdr (car r-list))))
 348                 (r-cc-list (nth 1 (cdr (car r-list))))
 349                 (r-ng-list (nth 2 (cdr (car r-list)))))
 350             (when (and (member "Followup-To" r-ng-list)
 351                        (string= (std11-field-body "Followup-To") "poster"))
 352               (setq r-to-list (cons "From" r-to-list))
 353               (setq r-ng-list (delete "Followup-To"
 354                                       (copy-sequence r-ng-list))))
 355             (if (and r-to-list (symbolp r-to-list))
 356                 (setq to (wl-concat-list (funcall r-to-list) ","))
 357               (setq to (wl-concat-list (cons to
 358                                              (elmo-multiple-fields-body-list
 359                                               r-to-list))
 360                                        ",")))
 361             (if (and r-cc-list (symbolp r-cc-list))
 362                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 363               (setq cc (wl-concat-list (cons cc
 364                                              (elmo-multiple-fields-body-list
 365                                               r-cc-list))
 366                                        ",")))
 367             (if (and r-ng-list (symbolp r-ng-list))
 368                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 369               (setq newsgroups (wl-concat-list (cons newsgroups
 370                                                      (std11-field-bodies
 371                                                       r-ng-list))
 372                                                ","))))
 373           (throw 'done nil))
 374         (setq r-list (cdr r-list)))
 375       (error "No match field: check your `wl-draft-reply-%s-argument-list'"
 376              (if with-arg "with" "without")))
 377     (setq subject (std11-field-body "Subject"))
 378     (setq to (wl-parse-addresses to)
 379           cc (wl-parse-addresses cc))
 380     (with-temp-buffer                   ; to keep raw buffer unibyte.
 381       (set-buffer-multibyte default-enable-multibyte-characters)
 382       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 383       (setq subject (wl-draft-reply-make-subject
 384                      (if (and subject decoder)
 385                          (funcall decoder subject) subject)))
 386       (setq to-alist
 387             (mapcar
 388              (lambda (addr)
 389                (setq decoder (mime-find-field-decoder 'To 'plain))
 390                (cons (nth 1 (std11-extract-address-components addr))
 391                      (if decoder (funcall decoder addr) addr)))
 392              to))
 393       (setq cc-alist
 394             (mapcar
 395              (lambda (addr)
 396                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 397                (cons (nth 1 (std11-extract-address-components addr))
 398                      (if decoder (funcall decoder addr) addr)))
 399              cc)))
 400     (setq in-reply-to (std11-field-body "Message-Id"))
 401     (setq references (nconc
 402                       (std11-field-bodies '("References" "In-Reply-To"))
 403                       (list in-reply-to)))
 404     (setq to (delq nil (mapcar 'car to-alist)))
 405     (setq cc (delq nil (mapcar 'car cc-alist)))
 406     ;; if subscribed mailing list is contained in cc or to
 407     ;; and myself is contained in cc,
 408     ;; delete myself from cc.
 409     (setq cc (wl-draft-delete-myself-from-cc to cc))
 410     (when wl-insert-mail-followup-to
 411       (setq mail-followup-to
 412             (wl-draft-make-mail-followup-to (append to cc)))
 413       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 414     (with-temp-buffer                   ; to keep raw buffer unibyte.
 415       (set-buffer-multibyte default-enable-multibyte-characters)
 416       (setq newsgroups (wl-parse newsgroups
 417                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 418             newsgroups (wl-delete-duplicates newsgroups)
 419             newsgroups
 420             (if newsgroups
 421                 (mapconcat
 422                  (lambda (grp)
 423                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 424                    (if decoder (funcall decoder grp) grp))
 425                  newsgroups ","))))
 426     (setq to (wl-delete-duplicates to nil t))
 427     (setq cc (wl-delete-duplicates
 428               (append (wl-delete-duplicates cc nil t)
 429                       to (copy-sequence to))
 430               t t))
 431     (and to (setq to (mapconcat
 432                       '(lambda (addr)
 433                          (if wl-draft-reply-use-address-with-full-name
 434                              (or (cdr (assoc addr to-alist)) addr)
 435                            addr))
 436                       to ",\n\t")))
 437     (and cc (setq cc (mapconcat
 438                       '(lambda (addr)
 439                          (if wl-draft-reply-use-address-with-full-name
 440                              (or (cdr (assoc addr cc-alist)) addr)
 441                            addr))
 442                       cc ",\n\t")))
 443     (and mail-followup-to
 444          (setq mail-followup-to
 445                (mapconcat
 446                 '(lambda (addr)
 447                    (if wl-draft-reply-use-address-with-full-name
 448                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 449                      addr))
 450                 mail-followup-to ",\n\t")))
 451     (and (null to) (setq to cc cc nil))
 452     (setq references (delq nil references)
 453           references (mapconcat 'identity references " ")
 454           references (wl-draft-parse-msg-id-list-string references)
 455           references (wl-delete-duplicates references)
 456           references (if references
 457                          (mapconcat 'identity references "\n\t")))
 458     (and wl-draft-use-frame
 459          (get-buffer-window summary-buf)
 460          (select-window (get-buffer-window summary-buf)))
 461     (wl-draft (list (cons 'To to)
 462                     (cons 'Cc cc)
 463                     (cons 'Newsgroups newsgroups)
 464                     (cons 'Subject subject)
 465                     (cons 'In-Reply-To in-reply-to)
 466                     (cons 'References references)
 467                     (cons 'Mail-Followup-To mail-followup-to))
 468               nil nil nil nil parent-folder)
 469     (setq wl-draft-parent-number number)
 470     (setq wl-draft-reply-buffer buf)
 471     (setq wl-draft-config-variables
 472           (append wl-draft-parent-variables
 473                   wl-draft-config-variables))
 474     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save))
 475   (run-hooks 'wl-draft-reply-hook))
 476
 477 (defun wl-draft-reply-position (position)
 478   (cond ((eq position 'body)
 479          (wl-draft-body-goto-top))
 480         ((eq position 'bottom)
 481          (wl-draft-body-goto-bottom))
 482         ((eq position 'top)
 483          (goto-char (point-min)))
 484         ((and (stringp position)
 485               (std11-field-body position))
 486          (progn (mail-position-on-field position)
 487                 (wl-draft-beginning-of-line)))
 488         ((listp position)
 489          (while (car position)
 490            (wl-draft-reply-position (car position))
 491            (setq position (cdr position))))))
 492
 493 (defun wl-draft-add-references ()
 494   (wl-draft-add-in-reply-to "References"))
 495
 496 (defun wl-draft-add-in-reply-to (&optional alt-field)
 497   (let* ((mes-id (save-excursion
 498                    (set-buffer mail-reply-buffer)
 499                    (std11-field-body "message-id")))
 500          (field (or alt-field "In-Reply-To"))
 501          (ref (std11-field-body field))
 502          (ref-list nil) (st nil))
 503     (when (and mes-id ref)
 504       (while (string-match "<[^>]+>" ref st)
 505         (setq ref-list
 506               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 507                     ref-list)))
 508       (when (and ref-list
 509                  (member mes-id ref-list))
 510         (setq mes-id nil)))
 511     (when mes-id
 512       (save-excursion
 513         (when (mail-position-on-field field)
 514           (forward-line)
 515           (while (looking-at "^[ \t]")
 516             (forward-line))
 517           (setq mes-id (concat "\t" mes-id "\n")))
 518         (insert mes-id))
 519       t)))
 520
 521 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 522                                              &optional ignored-fields)
 523   (interactive)
 524   (save-restriction
 525     (narrow-to-region (point)(point))
 526     (insert
 527      (string-as-multibyte
 528       (with-current-buffer mail-reply-buffer
 529         (when decode-it
 530           (decode-mime-charset-region (point-min) (point-max)
 531                                       wl-mime-charset))
 532         (buffer-substring-no-properties
 533          (point-min) (point-max)))))
 534     (when ignored-fields
 535       (goto-char (point-min))
 536       (wl-draft-delete-fields ignored-fields))
 537     (goto-char (point-max))
 538     (push-mark (point) nil t)
 539     (goto-char (point-min)))
 540   (let ((beg (point)))
 541     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 542           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 543           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 544     (run-hooks 'wl-draft-cited-hook)
 545     (when (if wl-draft-add-references
 546               (wl-draft-add-references)
 547             (if wl-draft-add-in-reply-to
 548                 (wl-draft-add-in-reply-to)))
 549       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 550     (when wl-highlight-body-too
 551       (wl-highlight-body-region beg (point-max)))))
 552
 553 (defun wl-message-news-p ()
 554   "If exist valid Newsgroups field, return non-nil."
 555   (std11-field-body "Newsgroups"))
 556
 557 (defun wl-message-field-exists-p (field)
 558   "If FIELD exist and FIELD value is not empty, return non-nil."
 559   (let ((value (std11-field-body field)))
 560     (and value
 561          (not (string= value "")))))
 562
 563 (defun wl-message-mail-p ()
 564   "If exist To, Cc or Bcc field, return non-nil."
 565   (or (wl-message-field-exists-p "To")
 566       (wl-message-field-exists-p "Resent-to")
 567       (wl-message-field-exists-p "Cc")
 568       (wl-message-field-exists-p "Bcc")
 569       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 570 ;;; This may be needed..
 571 ;;;   (wl-message-field-exists-p "Fcc")
 572       ))
 573
 574 (defun wl-draft-edit-string (string)
 575   (let ((cur-buf (current-buffer))
 576         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 577         to subject in-reply-to cc references newsgroups mail-followup-to
 578         content-type content-transfer-encoding from
 579         body-beg)
 580     (set-buffer tmp-buf)
 581     (erase-buffer)
 582     (insert string)
 583     (setq to (std11-field-body "To"))
 584     (setq to (and to
 585                   (eword-decode-string
 586                    (decode-mime-charset-string
 587                     to
 588                     wl-mime-charset))))
 589     (setq subject (std11-field-body "Subject"))
 590     (setq subject (and subject
 591                        (eword-decode-string
 592                         (decode-mime-charset-string
 593                          subject
 594                          wl-mime-charset))))
 595     (setq from (std11-field-body "From")
 596           from (and from
 597                     (eword-decode-string
 598                      (decode-mime-charset-string
 599                       from
 600                       wl-mime-charset))))
 601     (setq in-reply-to (std11-field-body "In-Reply-To"))
 602     (setq cc (std11-field-body "Cc"))
 603     (setq cc (and cc
 604                   (eword-decode-string
 605                    (decode-mime-charset-string
 606                     cc
 607                     wl-mime-charset))))
 608     (setq references (std11-field-body "References"))
 609     (setq newsgroups (std11-field-body "Newsgroups"))
 610     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 611     (setq content-type (std11-field-body "Content-Type"))
 612     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 613     (goto-char (point-min))
 614     (or (re-search-forward "\n\n" nil t)
 615         (search-forward (concat mail-header-separator "\n") nil t))
 616     (unwind-protect
 617         (set-buffer
 618          (wl-draft (list
 619                     (cons 'From
 620                           (if (wl-address-user-mail-address-p from) from))
 621                     (cons 'To to)
 622                     (cons 'Cc cc)
 623                     (cons 'Subject subject)
 624                     (cons 'Newsgroups newsgroups)
 625                     (cons 'Mail-Followup-To mail-followup-to)
 626                     (cons 'In-Reply-To in-reply-to)
 627                     (cons 'References references))
 628                    content-type content-transfer-encoding
 629                    (buffer-substring (point) (point-max))
 630                    'edit-again))
 631       (kill-buffer tmp-buf))
 632     ;; Set cursor point to the top.
 633     (goto-char (point-min))
 634     (search-forward (concat mail-header-separator "\n") nil t)
 635     (run-hooks 'wl-draft-reedit-hook)
 636     (and to (mail-position-on-field "To"))))
 637
 638 (defun wl-draft-insert-current-message (dummy)
 639   (interactive)
 640   (let (original-buffer
 641         mail-reply-buffer
 642         mail-citation-hook mail-yank-hooks
 643         wl-draft-add-references wl-draft-add-in-reply-to
 644         wl-draft-cite-function)
 645     (if (and wl-draft-buffer-cur-summary-buffer
 646              (with-current-buffer wl-draft-buffer-cur-summary-buffer
 647                (and wl-message-buffer
 648                     (with-current-buffer wl-message-buffer
 649                       (setq original-buffer (wl-message-get-original-buffer))
 650                       (not (zerop (with-current-buffer original-buffer
 651                                     (buffer-size))))))))
 652         (progn
 653           (setq mail-reply-buffer original-buffer)
 654           (wl-draft-yank-from-mail-reply-buffer
 655            nil
 656            wl-ignored-forwarded-headers))
 657       (when (string= (mime-make-tag "message" "rfc822")
 658                      (buffer-substring-no-properties (point-at-bol 0)(point-at-eol 0)))
 659         (delete-region (point-at-bol 0) (1+ (point-at-eol 0))))
 660       (error "No current message"))))
 661
 662 (defun wl-draft-insert-get-message (dummy)
 663   (let ((fld (completing-read
 664               "Folder name: "
 665               (if (memq 'read-folder wl-use-folder-petname)
 666                   (wl-folder-get-entity-with-petname)
 667                 wl-folder-entity-hashtb)
 668               nil nil wl-default-spec
 669               'wl-read-folder-history))
 670         (number (call-interactively
 671                  (function (lambda (num)
 672                              (interactive "nNumber: ")
 673                              num))))
 674         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 675         mail-citation-hook mail-yank-hooks
 676         wl-draft-cite-function)
 677     (unwind-protect
 678         (progn
 679           (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 680                               number
 681                               ;; No cache.
 682                               (elmo-make-fetch-strategy 'entire)
 683                               nil mail-reply-buffer)
 684           (wl-draft-yank-from-mail-reply-buffer nil))
 685       (kill-buffer mail-reply-buffer))))
 686
 687 ;;
 688 ;; default body citation func
 689 ;;
 690 (defun wl-default-draft-cite ()
 691   (let ((mail-yank-ignored-headers "[^:]+:")
 692         (mail-yank-prefix "> ")
 693         date from cite-title)
 694     (save-restriction
 695       (if (< (mark t) (point))
 696           (exchange-point-and-mark))
 697       (narrow-to-region (point)(point-max))
 698       (setq date (std11-field-body "date")
 699             from (std11-field-body "from")))
 700     (when (or date from)
 701       (insert (format "At %s,\n%s wrote:\n"
 702                       (or date "some time ago")
 703                       (if wl-default-draft-cite-decorate-author
 704                           (funcall wl-summary-from-function
 705                                    (or from "you"))
 706                         (or from "you")))))
 707     (mail-indent-citation)))
 708
 709 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 710 (defun wl-draft-yank-to-draft-buffer (buffer)
 711   "Yank BUFFER content to `wl-draft-buffer'."
 712   (set-buffer wl-draft-buffer)
 713   (let ((mail-reply-buffer buffer))
 714     (wl-draft-yank-from-mail-reply-buffer nil)
 715     (kill-buffer buffer)))
 716
 717 (defun wl-draft-yank-original (&optional arg)
 718   "Yank original message."
 719   (interactive "P")
 720   (if arg
 721       (let (buf mail-reply-buffer)
 722         (elmo-set-work-buf
 723          (insert "\n")
 724          (yank)
 725          (setq buf (current-buffer)))
 726         (setq mail-reply-buffer buf)
 727         (wl-draft-yank-from-mail-reply-buffer nil))
 728     (wl-draft-yank-current-message-entity)))
 729
 730 (defun wl-draft-hide (editing-buffer)
 731   "Hide the editing draft buffer if possible."
 732   (when (and editing-buffer
 733              (buffer-live-p editing-buffer)
 734              (get-buffer-window editing-buffer))
 735     (select-window (get-buffer-window editing-buffer))
 736     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 737           fld-buf sum-win fld-win)
 738       (if (and wl-draft-use-frame
 739                (> (length (visible-frame-list)) 1))
 740           ;; hide draft frame
 741           (delete-frame)
 742         ;; hide draft window
 743         (or (one-window-p)
 744             (delete-window))
 745         ;; stay folder window if required
 746         (when wl-stay-folder-window
 747           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 748               (if (setq fld-win (get-buffer-window fld-buf))
 749                   (select-window fld-win)
 750                 (if wl-draft-resume-folder-window ;; resume folder window
 751                     (switch-to-buffer fld-buf)))))
 752         (if (buffer-live-p sum-buf)
 753             (if (setq sum-win (get-buffer-window sum-buf t))
 754                 ;; if Summary is on the frame, select it.
 755                 (select-window sum-win)
 756               ;; if summary is not on the frame, switch to it.
 757               (if (and wl-stay-folder-window
 758                        (or wl-draft-resume-folder-window fld-win))
 759                   (wl-folder-select-buffer sum-buf)
 760                 (switch-to-buffer sum-buf))))))))
 761
 762 (defun wl-draft-delete (editing-buffer)
 763   "Kill the editing draft buffer and delete the file corresponds to it."
 764   (save-excursion
 765     (when editing-buffer
 766       (set-buffer editing-buffer)
 767       (when wl-draft-buffer-message-number
 768         (elmo-folder-delete-messages (wl-draft-get-folder)
 769                                      (list
 770                                       wl-draft-buffer-message-number))
 771         (wl-draft-config-info-operation wl-draft-buffer-message-number
 772                                         'delete))
 773       (set-buffer-modified-p nil)               ; force kill
 774       (kill-buffer editing-buffer))))
 775
 776 (defun wl-draft-kill (&optional force-kill)
 777   "Kill current draft buffer and quit editing."
 778   (interactive "P")
 779   (save-excursion
 780     (when (and (or (eq major-mode 'wl-draft-mode)
 781                    (eq major-mode 'mail-mode))
 782                (or force-kill
 783                    (yes-or-no-p "Kill Current Draft? ")))
 784       (let ((cur-buf (current-buffer)))
 785         (run-hooks 'wl-draft-kill-pre-hook)
 786         (wl-draft-hide cur-buf)
 787         (wl-draft-delete cur-buf)))
 788     (message "")))
 789
 790 (defun wl-draft-fcc ()
 791   "Add a new Fcc field, with file name completion."
 792   (interactive)
 793   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 794       (mail-position-on-field "to"))
 795   (insert "\nFcc: "))
 796
 797 ;; Imported from message.el.
 798 (defun wl-draft-elide-region (b e)
 799   "Elide the text in the region.
 800 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 801 text was killed."
 802   (interactive "r")
 803   (kill-region b e)
 804   (insert wl-draft-elide-ellipsis))
 805
 806 ;; Imported from message.el.
 807 (defun wl-draft-beginning-of-line (&optional n)
 808   "Move point to beginning of header value or to beginning of line."
 809   (interactive "p")
 810   (let ((zrs 'zmacs-region-stays))
 811     (when (and (interactive-p) (boundp zrs))
 812       (set zrs t)))
 813   (if (wl-draft-point-in-header-p)
 814       (let* ((here (point))
 815              (bol (progn (beginning-of-line n) (point)))
 816              (eol (line-end-position))
 817              (eoh (and (looking-at "[^ \t]")
 818                        (re-search-forward ": *" eol t))))
 819         (if (and eoh (or (> here eoh) (= here bol)))
 820             (goto-char eoh)
 821           (goto-char bol)))
 822     (beginning-of-line n)))
 823
 824 (defun wl-draft-point-in-header-p ()
 825   "Return t if point is in the header."
 826   (save-excursion
 827     (let ((p (point)))
 828       (goto-char (point-min))
 829       (not (re-search-forward
 830             (concat "^" (regexp-quote mail-header-separator) "\n")
 831             p t)))))
 832
 833 ;; function for wl-sent-message-via
 834
 835 (defmacro wl-draft-sent-message-p (type)
 836   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 837
 838 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 839   (` (let ((element (assq (, type) wl-sent-message-via)))
 840        (if element
 841            (unless (eq (nth 1 element) (, result))
 842              (setcdr element (list (, result) (, server-port)))
 843              (setq wl-sent-message-modified t))
 844          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 845          (setq wl-sent-message-modified t)))))
 846
 847 (defun wl-draft-sent-message-results ()
 848   (let ((results wl-sent-message-via)
 849         unplugged-via sent-via)
 850     (while results
 851       (cond ((eq (nth 1 (car results)) 'unplugged)
 852              (push (caar results) unplugged-via))
 853             ((eq (nth 1 (car results)) 'sent)
 854              (push (caar results) sent-via)))
 855       (setq results (cdr results)))
 856     (list unplugged-via sent-via)))
 857
 858 (defun wl-draft-write-sendlog (status proto server to id)
 859   "Write send log file, if `wl-draft-sendlog' is non-nil."
 860   (when wl-draft-sendlog
 861     (with-temp-buffer
 862       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 863                                          elmo-msgdb-directory))
 864              (filesize (nth 7 (file-attributes filename)))
 865              (server (if server (concat " server=" server) ""))
 866              (to (if to (cond
 867                          ((memq proto '(fcc queue))
 868                           (format " folder=\"%s\"" to))
 869                          ((eq proto 'nntp)
 870                           (format " ng=<%s>" to))
 871                          (t
 872                           (concat " to="
 873                                   (mapconcat
 874                                    'identity
 875                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 876                                    ","))))
 877                    ""))
 878              (id (if id (concat " id=" id) ""))
 879              (time (format-time-string "%Y/%m/%d %T")))
 880         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 881                         time proto status server to id))
 882         (if (and wl-draft-sendlog-max-size filesize
 883                  (> filesize wl-draft-sendlog-max-size))
 884             (rename-file filename (concat filename ".old") t))
 885         (if (file-writable-p filename)
 886             (write-region-as-binary (point-min) (point-max)
 887                                     filename t 'no-msg)
 888           (message "%s is not writable." filename))))))
 889
 890 (defun wl-draft-get-header-delimiter (&optional delete)
 891   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 892   (let (delimline)
 893     (goto-char (point-min))
 894     (when (re-search-forward
 895            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 896       (replace-match "")
 897       (if delete
 898           (forward-char -1))
 899       (setq delimline (point-marker)))
 900     delimline))
 901
 902 (defun wl-draft-send-mail-with-qmail ()
 903   "Pass the prepared message buffer to qmail-inject.
 904 Refer to the documentation for the variable `send-mail-function'
 905 to find out how to use this."
 906   (if (and wl-draft-qmail-send-plugged
 907            (not (elmo-plugged-p)))
 908       (wl-draft-set-sent-message 'mail 'unplugged)
 909     ;; send the message
 910     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 911     (let ((id (std11-field-body "Message-ID"))
 912           (to (std11-field-body "To")))
 913       (case
 914           (as-binary-process
 915            (apply
 916             'call-process-region 1 (point-max) wl-qmail-inject-program
 917             nil nil nil
 918             wl-qmail-inject-args))
 919         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 920         ;; we have to look at the retval instead
 921         (0   (progn
 922                (wl-draft-set-sent-message 'mail 'sent)
 923                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 924         (1   (error "`qmail-inject' reported permanent failure"))
 925         (111 (error "`qmail-inject' reported transient failure"))
 926         ;; should never happen
 927         (t   (error "`qmail-inject' reported unknown failure"))))))
 928
 929 (defun wl-draft-parse-msg-id-list-string (string)
 930   "Get msg-id list from STRING."
 931   (let (msg-id-list)
 932     (dolist (parsed-id (std11-parse-msg-ids-string string))
 933       (when (eq (car parsed-id) 'msg-id)
 934         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 935                                 msg-id-list))))
 936     (nreverse msg-id-list)))
 937
 938 (defun wl-draft-eword-encode-address-list (string &optional column)
 939   "Encode header field STRING as list of address, and return the result.
 940 Cause an error when STRING contains invalid address.
 941 Optional argument COLUMN is start-position of the field."
 942   (car (eword-encode-rword-list
 943         (or column eword-encode-default-start-column)
 944         (eword-encode-addresses-to-rword-list
 945          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 946
 947 (defun wl-draft-std11-parse-addresses (lal)
 948   (let ((ret (std11-parse-address lal)))
 949     (when (and (not (and (eq (length lal) 1)
 950                          (eq (car (car lal)) 'spaces)))
 951                (null ret))
 952       (error "Error while parsing address"))
 953     (if ret
 954         (let ((dest (list (car ret))))
 955           (setq lal (cdr ret))
 956           (while (and (setq ret (std11-parse-ascii-token lal))
 957                       (string-equal (cdr (assq 'specials (car ret))) ",")
 958                       (setq ret (std11-parse-address (cdr ret)))
 959                       )
 960             (setq dest (cons (car ret) dest))
 961             (setq lal (cdr ret)))
 962           (while (eq 'spaces (car (car lal)))
 963             (setq lal (cdr lal)))
 964           (if lal (error "Error while parsing address"))
 965           (nreverse dest)))))
 966
 967 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 968   "Get mailbox list of FIELD from current buffer.
 969 The buffer is expected to be narrowed to just the headers of the message.
 970 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 971 from current buffer."
 972   (save-excursion
 973     (let ((case-fold-search t)
 974           (inhibit-read-only t)
 975           addresses address
 976           mailbox-list beg seq has-group-list)
 977       (goto-char (point-min))
 978       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 979                                 nil t)
 980         (setq beg (point))
 981         (re-search-forward "^[^ \t]" nil 'move)
 982         (beginning-of-line)
 983         (skip-chars-backward "\n")
 984         (setq seq (std11-lexical-analyze
 985                    (buffer-substring-no-properties beg (point))))
 986         (setq addresses (wl-draft-std11-parse-addresses seq))
 987         (while addresses
 988           (cond ((eq (car (car addresses)) 'group)
 989                  (setq has-group-list t)
 990                  (setq mailbox-list
 991                        (nconc mailbox-list
 992                               (mapcar
 993                                'std11-address-string
 994                                (nth 2 (car addresses))))))
 995                 ((eq (car (car addresses)) 'mailbox)
 996                  (setq address (nth 1 (car addresses)))
 997                  (setq mailbox-list
 998                        (nconc mailbox-list
 999                               (list
1000                                (std11-addr-to-string
1001                                 (if (eq (car address) 'phrase-route-addr)
1002                                     (nth 2 address)
1003                                   (cdr address))))))))
1004           (setq addresses (cdr addresses)))
1005         (when (and remove-group-list has-group-list)
1006           (delete-region beg (point))
1007           (insert (wl-address-string-without-group-list-contents seq))))
1008       mailbox-list)))
1009
1010 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1011   "Get address list suitable for smtp RCPT TO:<address>.
1012 Group list content is removed if `wl-draft-remove-group-list-contents' is
1013 non-nil."
1014   (let ((fields (if (and wl-draft-doing-mime-bcc
1015                          wl-draft-disable-bcc-for-mime-bcc)
1016                     '("to" "cc")
1017                   '("to" "cc" "bcc")))
1018         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1019         (case-fold-search t)
1020         addrs recipients)
1021     (save-excursion
1022       (save-restriction
1023         (narrow-to-region header-start header-end)
1024         (goto-char (point-min))
1025         (save-excursion
1026           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1027               (setq fields resent-fields)))
1028         (while fields
1029           (setq recipients
1030                 (nconc recipients
1031                        (wl-draft-parse-mailbox-list
1032                         (car fields)
1033                         wl-draft-remove-group-list-contents)))
1034           (setq fields (cdr fields)))
1035         recipients))))
1036
1037 ;;
1038 ;; from Semi-gnus
1039 ;;
1040 (defun wl-draft-send-mail-with-smtp ()
1041   "Send the prepared message buffer with SMTP."
1042   (require 'smtp)
1043   (let* ((errbuf (if mail-interactive
1044                      (generate-new-buffer " smtp errors")
1045                    0))
1046          (case-fold-search t)
1047          (default-case-fold-search t)
1048          (sender (or wl-envelope-from
1049                      (wl-address-header-extract-address wl-from)))
1050          (delimline (save-excursion
1051                       (goto-char (point-min))
1052                       (re-search-forward
1053                        (concat "^" (regexp-quote mail-header-separator)
1054                                "$\\|^$") nil t)
1055                       (point-marker)))
1056          (smtp-server
1057           (or wl-smtp-posting-server smtp-server "localhost"))
1058          (smtp-service (or wl-smtp-posting-port smtp-service))
1059          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1060          (id (std11-field-body "message-id"))
1061          recipients)
1062     (if (not (elmo-plugged-p smtp-server smtp-service))
1063         (wl-draft-set-sent-message 'mail 'unplugged
1064                                    (cons smtp-server smtp-service))
1065       (unwind-protect
1066           (save-excursion
1067             ;; Instead of `smtp-deduce-address-list'.
1068             (setq recipients (wl-draft-deduce-address-list
1069                               (current-buffer) (point-min) delimline))
1070             (unless recipients (error "No recipients"))
1071             ;; Insert an extra newline if we need it to work around
1072             ;; Sun's bug that swallows newlines.
1073             (goto-char (1+ delimline))
1074             (if (eval mail-mailer-swallows-blank-line)
1075                 (newline))
1076             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1077             (if mail-interactive
1078                 (save-excursion
1079                   (set-buffer errbuf)
1080                   (erase-buffer)))
1081             (wl-draft-delete-field "bcc" delimline)
1082             (wl-draft-delete-field "resent-bcc" delimline)
1083             (let (process-connection-type)
1084               (as-binary-process
1085                (when recipients
1086                  (wl-smtp-extension-bind
1087                   (condition-case err
1088                       (smtp-send-buffer sender recipients (current-buffer))
1089                     (error
1090                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1091                                              recipients id)
1092                      (if (and (eq (car err) 'smtp-response-error)
1093                               (= (nth 1 err) 535))
1094                          (elmo-remove-passwd
1095                           (wl-smtp-password-key
1096                            smtp-sasl-user-name
1097                            (car smtp-sasl-mechanisms)
1098                            smtp-server)))
1099                      (signal (car err) (cdr err)))
1100                     (quit
1101                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1102                                              recipients id)
1103                      (signal (car err) (cdr err)))))
1104                  (wl-draft-set-sent-message 'mail 'sent)
1105                  (wl-draft-write-sendlog
1106                   'ok 'smtp smtp-server recipients id)))))
1107         (if (bufferp errbuf)
1108             (kill-buffer errbuf))))))
1109
1110 (defun wl-draft-send-mail-with-pop-before-smtp ()
1111   "Send the prepared message buffer with POP-before-SMTP."
1112   (require 'elmo-pop3)
1113   (let ((folder
1114          (luna-make-entity
1115           'elmo-pop3-folder
1116           :user   (or wl-pop-before-smtp-user
1117                       elmo-pop3-default-user)
1118           :server (or wl-pop-before-smtp-server
1119                       elmo-pop3-default-server)
1120           :port   (or wl-pop-before-smtp-port
1121                       elmo-pop3-default-port)
1122           :auth   (or wl-pop-before-smtp-authenticate-type
1123                       elmo-pop3-default-authenticate-type)
1124           :stream-type (elmo-get-network-stream-type
1125                         (or wl-pop-before-smtp-stream-type
1126                             elmo-pop3-default-stream-type))))
1127         session)
1128     (condition-case error
1129         (progn
1130           (setq session (elmo-pop3-get-session folder))
1131           (when session (elmo-network-close-session session)))
1132       (error
1133        (unless (string= (nth 1 error) "Unplugged")
1134          (signal (car error) (cdr error))))))
1135   (wl-draft-send-mail-with-smtp))
1136
1137 (defun wl-draft-insert-required-fields (&optional force-msgid)
1138   "Insert Message-ID, Date, and From field.
1139 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1140   ;; Insert Message-Id field...
1141   (goto-char (point-min))
1142   (when (and (or force-msgid
1143                  wl-insert-message-id)
1144              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1145     (insert (concat "Message-ID: "
1146                     (funcall wl-message-id-function)
1147                     "\n")))
1148   ;; Insert date field.
1149   (goto-char (point-min))
1150   (or (re-search-forward "^Date[ \t]*:" nil t)
1151       (wl-draft-insert-date-field))
1152   ;; Insert from field.
1153   (goto-char (point-min))
1154   (or (re-search-forward "^From[ \t]*:" nil t)
1155       (wl-draft-insert-from-field)))
1156
1157 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1158   "Send the message in the current buffer."
1159   (save-restriction
1160     (narrow-to-region (goto-char (point-min))
1161                       (if (re-search-forward
1162                            (concat
1163                             "^" (regexp-quote mail-header-separator) "$")
1164                            nil t)
1165                           (match-beginning 0)
1166                         (point-max)))
1167     (wl-draft-insert-required-fields)
1168     ;; ignore any blank lines in the header
1169     (while (progn (goto-char (point-min))
1170                   (re-search-forward "\n[ \t]*\n\n*" nil t))
1171       (replace-match "\n"))
1172     (goto-char (point-min))
1173     (while (re-search-forward
1174             "^[^ \t\n:]+:[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n"
1175             nil t)
1176       (when (string= "" (match-string 1))
1177         (replace-match ""))))
1178 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1179   (wl-draft-dispatch-message)
1180   (when kill-when-done
1181     ;; hide editing-buffer.
1182     (wl-draft-hide editing-buffer)
1183     ;; delete editing-buffer and its file.
1184     (wl-draft-delete editing-buffer)))
1185
1186 (defun wl-draft-dispatch-message (&optional mes-string)
1187   "Send the message in the current buffer.  Not modified the header fields."
1188   (let (delimline mime-bcc)
1189     (if (and wl-draft-verbose-send mes-string)
1190         (message "%s" mes-string))
1191     ;; get fcc folders.
1192     (setq delimline (wl-draft-get-header-delimiter t))
1193     (unless wl-draft-fcc-list
1194       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1195     ;;
1196     (setq wl-sent-message-modified nil)
1197     (unwind-protect
1198         (progn
1199           (if (and (wl-message-mail-p)
1200                    (not (wl-draft-sent-message-p 'mail)))
1201               (if (or (not (or wl-draft-force-queuing
1202                                wl-draft-force-queuing-mail))
1203                       (memq 'mail wl-sent-message-queued))
1204                   (progn
1205                     (setq mime-bcc (wl-draft-mime-bcc-field))
1206                     (funcall wl-draft-send-mail-function)
1207                     (when (not (zerop (length mime-bcc)))
1208                       (wl-draft-do-mime-bcc mime-bcc)))
1209                 (push 'mail wl-sent-message-queued)
1210                 (wl-draft-set-sent-message 'mail 'unplugged)))
1211           (if (and (wl-message-news-p)
1212                    (not (wl-draft-sent-message-p 'news))
1213                    (not (wl-message-field-exists-p "Resent-to")))
1214               (if (or (not (or wl-draft-force-queuing
1215                                wl-draft-force-queuing-news))
1216                       (memq 'news wl-sent-message-queued))
1217                   (funcall wl-draft-send-news-function)
1218                 (push 'news wl-sent-message-queued)
1219                 (wl-draft-set-sent-message 'news 'unplugged))))
1220       (let* ((status (wl-draft-sent-message-results))
1221              (unplugged-via (car status))
1222              (sent-via (nth 1 status)))
1223         ;; If one sent, process fcc folder.
1224         (if (and sent-via wl-draft-fcc-list)
1225             (progn
1226               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1227                                wl-draft-fcc-list)
1228               (setq wl-draft-fcc-list nil)))
1229         (if wl-draft-use-cache
1230             (let ((id (std11-field-body "Message-ID"))
1231                   (elmo-enable-disconnected-operation t))
1232               (elmo-file-cache-save (elmo-file-cache-get-path id)
1233                                     nil)))
1234         ;; If one unplugged, append queue.
1235         (when (and unplugged-via
1236                    wl-sent-message-modified)
1237           (if wl-draft-enable-queuing
1238               (progn
1239                 (wl-draft-queue-append wl-sent-message-via)
1240                 (setq wl-sent-message-modified 'requeue))
1241             (error "Unplugged")))
1242         (when wl-draft-verbose-send
1243           (if (and unplugged-via sent-via);; combined message
1244               (progn
1245                 (setq wl-draft-verbose-msg
1246                       (format "Sending%s and Queuing%s..."
1247                               sent-via unplugged-via))
1248                 (message "%sdone" wl-draft-verbose-msg))
1249             (if mes-string
1250                 (message "%s%s"
1251                          mes-string
1252                          (if sent-via "done" "failed"))))))))
1253   (not wl-sent-message-modified)) ;; return value
1254
1255 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1256   "Force send current buffer as raw message."
1257   (interactive)
1258   (save-excursion
1259     (let (wl-interactive-send
1260 ;;;       wl-draft-verbose-send
1261           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1262           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1263           mail-send-hook
1264           mail-send-actions)
1265       (wl-draft-send kill-when-done mes-string))))
1266
1267 (defun wl-draft-clone-local-variables ()
1268   (let ((locals (buffer-local-variables))
1269         result)
1270     (while locals
1271       (when (and (consp (car locals))
1272                  (car (car locals))
1273                  (string-match wl-draft-clone-local-variable-regexp
1274                                (symbol-name (car (car locals)))))
1275         (wl-append result (list (car (car locals)))))
1276       (setq locals (cdr locals)))
1277     result))
1278
1279 (defcustom wl-draft-send-confirm-with-preview t
1280   "Non-nil to invoke preview through confirmation of sending.
1281 This variable is valid when `wl-interactive-send' has non-nil value."
1282   :type 'boolean
1283   :group 'wl-draft)
1284
1285 (defun wl-draft-send-confirm ()
1286   (let (answer)
1287     (unwind-protect
1288         (condition-case quit
1289             (progn
1290               (when wl-draft-send-confirm-with-preview
1291                 (wl-draft-preview-message))
1292               (save-excursion
1293                 (goto-char (point-min)) ; to show recipients in header
1294                 (catch 'done
1295                   (while t
1296                     (discard-input)
1297                     (message "Send current draft? <y/n/j(down)/k(up)> ")
1298                     (setq answer (let ((cursor-in-echo-area t)) (read-char)))
1299                     (cond
1300                      ((or (eq answer ?y)
1301                           (eq answer ?Y)
1302                           (eq answer ? ))
1303                   (throw 'done t))
1304                      ((or (eq answer ?v)
1305                           (eq answer ?j)
1306                           (eq answer ?J))
1307                       (condition-case err
1308                           (scroll-up)
1309                         (error nil)))
1310                      ((or (eq answer ?^)
1311                           (eq answer ?k)
1312                           (eq answer ?K))
1313                       (condition-case err
1314                           (scroll-down)
1315                         (error nil)))
1316                      (t
1317                       (throw 'done nil)))))))
1318           (quit nil))
1319       (when (and wl-draft-send-confirm-with-preview
1320                  (eq major-mode 'mime-view-mode))
1321         (wl-mime-quit-preview)))))
1322
1323 (defun wl-draft-send (&optional kill-when-done mes-string)
1324   "Send current draft message.
1325 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1326   (interactive)
1327   ;; Don't call this explicitly.
1328   ;; Added to 'wl-draft-send-hook (by teranisi)
1329   ;; (wl-draft-config-exec)
1330   (run-hooks 'wl-draft-send-hook)
1331   (when (or (not wl-interactive-send)
1332             (wl-draft-send-confirm))
1333     (let ((send-mail-function 'wl-draft-raw-send)
1334           (editing-buffer (current-buffer))
1335           (sending-buffer (wl-draft-generate-clone-buffer
1336                            " *wl-draft-sending-buffer*"
1337                            (append wl-draft-config-variables
1338                                    (wl-draft-clone-local-variables))))
1339           (parent-flag wl-draft-parent-flag)
1340           (parent-number wl-draft-parent-number)
1341           (parent-folder wl-draft-parent-folder)
1342           (wl-draft-verbose-msg nil)
1343           err)
1344       (unwind-protect
1345           (save-excursion
1346             (set-buffer sending-buffer)
1347             (if (and (not (wl-message-mail-p))
1348                      (not (wl-message-news-p)))
1349                 (error "No recipient is specified"))
1350             (expand-abbrev)             ; for mail-abbrevs
1351             (let ((mime-header-encode-method-alist
1352                    (append
1353                     '((wl-draft-eword-encode-address-list
1354                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1355                     (if (boundp 'mime-header-encode-method-alist)
1356                         (symbol-value 'mime-header-encode-method-alist)))))
1357               (run-hooks 'mail-send-hook) ; translate buffer
1358               )
1359             ;;
1360             (if wl-draft-verbose-send
1361                 (message "%s" (or mes-string "Sending...")))
1362             ;; Set flag before send-function because
1363             ;; there's no need to change current mailbox at this time.
1364             ;; If flag is set after send-function, the current mailbox
1365             ;; might changed by Fcc.
1366             ;; It causes a huge loss in the IMAP folder.
1367             (when (and parent-flag parent-number parent-folder)
1368               (wl-folder-set-persistent-mark
1369                parent-folder parent-number parent-flag))
1370             (funcall wl-draft-send-function editing-buffer kill-when-done)
1371             ;; Now perform actions on successful sending.
1372             (while mail-send-actions
1373               (condition-case ()
1374                   (apply (car (car mail-send-actions))
1375                          (cdr (car mail-send-actions)))
1376                 (error))
1377               (setq mail-send-actions (cdr mail-send-actions)))
1378             (if wl-draft-verbose-send
1379                 (message "%sdone"
1380                          (or wl-draft-verbose-msg
1381                              mes-string
1382                              "Sending..."))))
1383         ;; kill sending buffer, anyway.
1384         (and (buffer-live-p sending-buffer)
1385              (kill-buffer sending-buffer))))))
1386
1387 (defun wl-draft-mime-bcc-field ()
1388   "Return the MIME-Bcc field body.  The field is deleted."
1389   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1390     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1391
1392 (defun wl-draft-do-mime-bcc (field-body)
1393   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1394   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1395                                            'From))
1396         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1397                                                "")
1398                                            'Subject))
1399         (recipients (wl-parse-addresses field-body))
1400         (draft-buffer (current-buffer))
1401         wl-draft-use-frame)
1402     (save-window-excursion
1403       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1404                  (not (zerop (length field-body))))
1405         (let ((wl-draft-doing-mime-bcc t))
1406           (dolist (recipient recipients)
1407             (wl-draft-create-buffer)
1408             (wl-draft-create-contents
1409              (append `((From . ,orig-from)
1410                        (To . ,recipient)
1411                        (Subject . ,(concat "A blind carbon copy ("
1412                                            orig-subj
1413                                            ")")))
1414                      (wl-draft-default-headers)))
1415             (wl-draft-insert-mail-header-separator)
1416             (wl-draft-prepare-edit)
1417             (goto-char (point-max))
1418             (insert (or wl-draft-mime-bcc-body
1419                         "This is a blind carbon copy.")
1420                     "\n")
1421             (mime-edit-insert-tag "message" "rfc822")
1422             (insert-buffer draft-buffer)
1423             (let (wl-interactive-send)
1424               (wl-draft-send 'kill-when-done))))))))
1425
1426 (defun wl-draft-save ()
1427   "Save current draft."
1428   (interactive)
1429   (if (buffer-modified-p)
1430       (progn
1431         (message "Saving...")
1432         (let ((msg (buffer-substring-no-properties (point-min) (point-max)))
1433               next-number)
1434           (when wl-draft-buffer-message-number
1435             (elmo-folder-delete-messages (wl-draft-get-folder)
1436                                          (list wl-draft-buffer-message-number))
1437             (wl-draft-config-info-operation wl-draft-buffer-message-number
1438                                             'delete))
1439           (elmo-folder-check (wl-draft-get-folder))
1440           ;; If no header separator, insert it.
1441           (with-temp-buffer
1442             (insert msg)
1443             (goto-char (point-min))
1444             (unless (re-search-forward
1445                      (concat "^" (regexp-quote mail-header-separator) "$")
1446                      nil t)
1447               (goto-char (point-min))
1448               (if (re-search-forward "\n\n" nil t)
1449                   (replace-match (concat "\n" mail-header-separator "\n"))
1450                 (goto-char (point-max))
1451                 (insert (if (eq (char-before) ?\n) "" "\n")
1452                         mail-header-separator "\n")))
1453             (let ((mime-header-encode-method-alist
1454                    (append
1455                     '((eword-encode-unstructured-field-body
1456                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1457                     (if (boundp 'mime-header-encode-method-alist)
1458                         (symbol-value 'mime-header-encode-method-alist)))))
1459               (mime-edit-translate-buffer))
1460             (wl-draft-get-header-delimiter t)
1461             (setq next-number
1462                   (elmo-folder-next-message-number (wl-draft-get-folder)))
1463             (elmo-folder-append-buffer (wl-draft-get-folder)))
1464           (elmo-folder-check (wl-draft-get-folder))
1465           (elmo-folder-commit (wl-draft-get-folder))
1466           (setq wl-draft-buffer-message-number next-number)
1467           (rename-buffer (format "%s/%d" wl-draft-folder next-number))
1468           (setq buffer-file-name (buffer-name))
1469           (set-buffer-modified-p nil)
1470           (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
1471           (message "Saving...done")))
1472     (message "(No changes need to be saved)")))
1473
1474 (defun wl-draft-mimic-kill-buffer ()
1475   "Kill the current (draft) buffer with query."
1476   (interactive)
1477   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1478                                       (buffer-name))))
1479         wl-draft-use-frame)
1480     (if (or (not bufname)
1481             (string-equal bufname "")
1482             (string-equal bufname (buffer-name)))
1483         (let ((bufname (current-buffer)))
1484           (when (or (not (buffer-modified-p))
1485                     (yes-or-no-p
1486                      (format "Buffer %s modified; kill anyway? " bufname)))
1487             (set-buffer-modified-p nil)
1488             (wl-draft-hide bufname)
1489             (kill-buffer bufname)))
1490       (kill-buffer bufname))))
1491
1492 (defun wl-draft-save-and-exit ()
1493   "Save current draft and exit current draft mode."
1494   (interactive)
1495   (wl-draft-save)
1496   (let ((editing-buffer (current-buffer)))
1497     (wl-draft-hide editing-buffer)
1498     (kill-buffer editing-buffer)))
1499
1500 (defun wl-draft-send-and-exit ()
1501   "Send current draft message and kill it."
1502   (interactive)
1503   (wl-draft-send t))
1504
1505 (defun wl-draft-send-from-toolbar ()
1506   (interactive)
1507   (let ((wl-interactive-send t))
1508     (wl-draft-send-and-exit)))
1509
1510 (defun wl-draft-delete-field (field &optional delimline replace)
1511   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1512
1513 (defun wl-draft-delete-fields (field &optional delimline replace)
1514   (save-restriction
1515     (unless delimline
1516       (goto-char (point-min))
1517       (if (search-forward "\n\n" nil t)
1518           (setq delimline (point))
1519         (setq delimline (point-max))))
1520     (narrow-to-region (point-min) delimline)
1521     (goto-char (point-min))
1522     (let ((regexp (concat "^" field ":"))
1523           (case-fold-search t))
1524       (while (not (eobp))
1525         (if (looking-at regexp)
1526             (progn
1527               (delete-region
1528                (point)
1529                (progn
1530                  (forward-line 1)
1531                  (if (re-search-forward "^[^ \t]" nil t)
1532                      (goto-char (match-beginning 0))
1533                    (point-max))))
1534               (if replace
1535                   (insert (concat field ": " replace "\n"))))
1536           (forward-line 1)
1537           (if (re-search-forward "^[^ \t]" nil t)
1538               (goto-char (match-beginning 0))
1539             (point-max)))))))
1540
1541 (defun wl-draft-get-fcc-list (header-end)
1542   (if (and wl-draft-doing-mime-bcc
1543            wl-draft-disable-fcc-for-mime-bcc)
1544       (progn
1545         (wl-draft-delete-field "fcc")
1546         nil)
1547     (let (fcc-list
1548           (case-fold-search t))
1549       (or (markerp header-end) (error "HEADER-END must be a marker"))
1550       (save-excursion
1551         (goto-char (point-min))
1552         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1553           (save-match-data
1554             (setq fcc-list
1555                   (append fcc-list
1556                           (split-string
1557                            (buffer-substring-no-properties
1558                             (point)
1559                             (progn
1560                               (end-of-line)
1561                               (skip-chars-backward " \t")
1562                               (point)))
1563                            ",[ \t]*")))
1564             (dolist (folder fcc-list)
1565               (wl-folder-confirm-existence
1566                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1567           (delete-region (match-beginning 0)
1568                          (progn (forward-line 1) (point)))))
1569       fcc-list)))
1570
1571 (defcustom wl-draft-fcc-append-read-folder-history t
1572   "Non-nil to append fcc'ed folder to `wl-read-folder-history'."
1573   :type 'boolean
1574   :group 'wl-draft)
1575
1576 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1577   (let ((send-mail-buffer (current-buffer))
1578         (tembuf (generate-new-buffer " fcc output"))
1579         (case-fold-search t)
1580         beg end)
1581     (or (markerp header-end) (error "HEADER-END must be a marker"))
1582     (save-excursion
1583       (unless fcc-list
1584         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1585       (set-buffer tembuf)
1586       (erase-buffer)
1587       ;; insert just the headers to avoid moving the gap more than
1588       ;; necessary (the message body could be arbitrarily huge.)
1589       (insert-buffer-substring send-mail-buffer 1 header-end)
1590       (wl-draft-insert-required-fields t)
1591       (goto-char (point-max))
1592       (insert-buffer-substring send-mail-buffer header-end)
1593       (let ((id (std11-field-body "Message-ID"))
1594             (elmo-enable-disconnected-operation t)
1595             cache-saved)
1596         (while fcc-list
1597           (unless (or cache-saved
1598                       (elmo-folder-plugged-p
1599                        (wl-folder-get-elmo-folder (car fcc-list))))
1600             (elmo-file-cache-save id nil) ;; for disconnected operation
1601             (setq cache-saved t))
1602           (if (elmo-folder-append-buffer
1603                (wl-folder-get-elmo-folder
1604                 (eword-decode-string (car fcc-list)))
1605                (and wl-fcc-force-as-read '(read)))
1606               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1607             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1608           (if (and wl-draft-fcc-append-read-folder-history
1609                    (boundp 'wl-read-folder-history))
1610               (or (equal (car fcc-list) (car wl-read-folder-history))
1611                   (setq wl-read-folder-history
1612                         (append (list (car fcc-list)) wl-read-folder-history))))
1613           (setq fcc-list (cdr fcc-list)))))
1614     (kill-buffer tembuf)))
1615
1616 (defun wl-draft-on-field-p ()
1617   (if (< (point)
1618          (save-excursion
1619            (goto-char (point-min))
1620            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1621            (point)))
1622       (if (bolp)
1623           (if (bobp)
1624               t
1625             (save-excursion
1626               (forward-line -1)
1627               (if (or (looking-at ".*,[ \t]?$")
1628                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1629                   nil t)))
1630         (let ((pos (point)))
1631           (save-excursion
1632             (beginning-of-line)
1633             (if (looking-at "^[ \t]")
1634                 nil
1635               (if (re-search-forward ":" pos t) nil t)))))))
1636
1637 ;;;;;;;;;;;;;;;;
1638 ;;;###autoload
1639 (defun wl-draft (&optional header-alist
1640                            content-type content-transfer-encoding
1641                            body edit-again
1642                            parent-folder)
1643   "Write and send mail/news message with Wanderlust."
1644   (interactive)
1645   (require 'wl)
1646   (unless wl-init
1647     (wl-load-profile)
1648     (wl-folder-init)
1649     (elmo-init)
1650     (wl-plugged-init t))
1651   (let (wl-demo)
1652     (wl-init)) ; returns immediately if already initialized.
1653
1654
1655   (let (buffer header-alist-internal)
1656     (setq buffer (wl-draft-create-buffer parent-folder))
1657     (unless (cdr (assq 'From header-alist))
1658       (setq header-alist
1659             (append (list (cons 'From wl-from)) header-alist)))
1660     (unless (cdr (assq 'To header-alist))
1661       (let ((to))
1662         (when (setq to (and
1663                         (interactive-p)
1664                         ""))
1665           (if (assq 'To header-alist)
1666               (setcdr (assq 'To header-alist) to)
1667             (setq header-alist
1668                   (append header-alist
1669                           (list (cons 'To to))))))))
1670     (unless (cdr (assq 'Subject header-alist))
1671       (if (assq 'Subject header-alist)
1672           (setcdr (assq 'Subject header-alist) "")
1673         (setq header-alist
1674               (append header-alist (list (cons 'Subject ""))))))
1675     (setq header-alist (append header-alist
1676                                (wl-draft-default-headers)
1677                                wl-draft-additional-header-alist
1678                                (if body (list "" (cons 'Body body)))))
1679     (wl-draft-create-contents header-alist)
1680     (if edit-again
1681         (wl-draft-decode-body
1682          content-type content-transfer-encoding))
1683     (wl-draft-insert-mail-header-separator)
1684     (wl-draft-prepare-edit)
1685     (if (interactive-p)
1686         (run-hooks 'wl-mail-setup-hook))
1687     (goto-char (point-min))
1688     (setq buffer-undo-list nil)
1689     (wl-user-agent-compose-internal) ;; user-agent
1690     (cond ((and
1691             (interactive-p)
1692             (string= (cdr (assq 'To header-alist)) ""))
1693            (mail-position-on-field "To"))
1694           (t
1695            (goto-char (point-max))))
1696     buffer))
1697
1698 (defun wl-draft-create-buffer (&optional parent-folder)
1699   (let* ((draft-folder (wl-draft-get-folder))
1700          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1701          (summary-buf (wl-summary-get-buffer parent-folder))
1702          (reply-or-forward
1703           (or (eq this-command 'wl-summary-reply)
1704               (eq this-command 'wl-summary-reply-with-citation)
1705               (eq this-command 'wl-summary-forward)
1706               (eq this-command 'wl-summary-target-mark-forward)
1707               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1708          (buffer (generate-new-buffer "*draft*"))) ; Just for initial name.
1709     (set-buffer buffer)
1710     ;; switch-buffer according to draft buffer style.
1711     (if wl-draft-use-frame
1712         (switch-to-buffer-other-frame buffer)
1713       (if reply-or-forward
1714           (case wl-draft-reply-buffer-style
1715             (split
1716              (split-window-vertically)
1717              (other-window 1)
1718              (switch-to-buffer buffer))
1719             (keep
1720              (switch-to-buffer buffer))
1721             (full
1722              (delete-other-windows)
1723              (switch-to-buffer buffer))
1724             (t
1725              (if (functionp wl-draft-reply-buffer-style)
1726                  (funcall wl-draft-reply-buffer-style buffer)
1727                (error "Invalid value for wl-draft-reply-buffer-style"))))
1728         (case wl-draft-buffer-style
1729           (split
1730            (when (eq major-mode 'wl-summary-mode)
1731              (wl-summary-toggle-disp-msg 'off))
1732            (split-window-vertically)
1733            (other-window 1)
1734            (switch-to-buffer buffer))
1735           (keep
1736            (switch-to-buffer buffer))
1737           (full
1738            (delete-other-windows)
1739            (switch-to-buffer buffer))
1740           (t (if (functionp wl-draft-buffer-style)
1741                  (funcall wl-draft-buffer-style buffer)
1742                (error "Invalid value for wl-draft-buffer-style"))))))
1743     (auto-save-mode -1)
1744     (let (change-major-mode-hook)
1745       (wl-draft-mode))
1746     (set-buffer-multibyte t)            ; draft buffer is always multibyte.
1747     (make-local-variable 'truncate-partial-width-windows)
1748     (setq truncate-partial-width-windows nil)
1749     (setq truncate-lines wl-draft-truncate-lines)
1750     (setq wl-sent-message-via nil)
1751     (setq wl-sent-message-queued nil)
1752     (setq wl-draft-config-exec-flag t)
1753     (setq wl-draft-parent-folder (or parent-folder ""))
1754     (or (eq this-command 'wl-folder-write-current-folder)
1755         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1756     buffer))
1757
1758 (defun wl-draft-create-contents (header-alist)
1759   "header-alist' sample
1760 '(function  ;; funcall
1761   string    ;; insert string
1762   (symbol . string)    ;;  insert symbol-value: string
1763   (symbol . function)  ;;  (funcall) and if it returns string,
1764                        ;;  insert symbol-value: string
1765   (symbol . nil)       ;;  do nothing
1766   nil                  ;;  do nothing
1767   )"
1768   (unless (eq major-mode 'wl-draft-mode)
1769     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1770   (let ((halist header-alist)
1771         field value)
1772     (while halist
1773       (cond
1774        ;; function
1775        ((functionp (car halist)) (funcall (car halist)))
1776        ;; string
1777        ((stringp (car halist)) (insert (car halist) "\n"))
1778        ;; cons
1779        ((consp (car halist))
1780         (setq field (car (car halist)))
1781         (setq value (cdr (car halist)))
1782         (cond
1783          ((symbolp field)
1784           (cond
1785            ((eq field 'Body) ; body
1786             (insert value))
1787            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1788            ((functionp value)
1789             (let ((value-return (funcall value)))
1790               (when (stringp value-return)
1791                 (insert (symbol-name field) ": " value-return "\n"))))
1792            ((not value))
1793            (t
1794             (debug))))
1795          ;;
1796          ((not field))
1797          (t
1798           (debug))
1799          )))
1800       (setq halist (cdr halist)))))
1801
1802 (defun wl-draft-prepare-edit ()
1803   (unless (eq major-mode 'wl-draft-mode)
1804     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1805   (let (change-major-mode-hook)
1806     (wl-draft-editor-mode)
1807     (static-when (boundp 'auto-save-file-name-transforms)
1808       (make-local-variable 'auto-save-file-name-transforms)
1809       (setq auto-save-file-name-transforms
1810             (cons (list (concat (regexp-quote wl-draft-folder)
1811                                 "/\\([0-9]+\\)")
1812                         (concat (expand-file-name
1813                                  "auto-save-"
1814                                  (elmo-folder-msgdb-path
1815                                   (wl-draft-get-folder)))
1816                                 "\\1"))
1817                   auto-save-file-name-transforms)))
1818     (when wl-draft-write-file-function
1819       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1820     (wl-draft-overload-functions)
1821     (wl-highlight-headers 'for-draft)
1822     (wl-draft-save)
1823     (clear-visited-file-modtime)))
1824
1825 (defun wl-draft-decode-header ()
1826   (save-excursion
1827     (std11-narrow-to-header)
1828     (wl-draft-decode-message-in-buffer)
1829     (widen)))
1830
1831 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1832   (let ((content-type
1833          (or content-type
1834                 (std11-field-body "content-type")))
1835         (content-transfer-encoding
1836          (or content-transfer-encoding
1837              (std11-field-body "content-transfer-encoding")))
1838         delimline)
1839     (save-excursion
1840       (std11-narrow-to-header)
1841       (wl-draft-delete-field "content-type")
1842       (wl-draft-delete-field "content-transfer-encoding")
1843       (goto-char (point-max))
1844       (setq delimline (point-marker))
1845       (widen)
1846       (narrow-to-region delimline (point-max))
1847       (goto-char (point-min))
1848       (when content-type
1849         (insert "Content-type: " content-type "\n"))
1850       (when content-transfer-encoding
1851         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1852       (wl-draft-decode-message-in-buffer)
1853       (goto-char (point-min))
1854       (unless (re-search-forward "^$" (point-at-eol) t)
1855         (insert "\n"))
1856       (widen)
1857       delimline)))
1858
1859 ;;; subroutine for wl-draft-create-contents
1860 ;;; must be used in wl-draft-mode
1861 (defun wl-draft-check-new-line ()
1862   (if (not (= (preceding-char) ?\n))
1863       (insert ?\n)))
1864
1865 (defsubst wl-draft-trim-ccs (cc)
1866   (let ((field
1867          (if (functionp cc)
1868              (funcall cc)
1869            cc)))
1870     (if (and field
1871              (null (and wl-draft-delete-myself-from-bcc-fcc
1872                         (elmo-list-member
1873                          (mapcar 'wl-address-header-extract-address
1874                                  (append
1875                                   (wl-parse-addresses (std11-field-body "To"))
1876                                   (wl-parse-addresses (std11-field-body "Cc"))))
1877                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1878         field
1879       nil)))
1880
1881 (defsubst wl-draft-default-headers ()
1882   (list
1883    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1884                              (wl-address-header-extract-address
1885                               wl-from)))
1886    (cons 'User-Agent wl-generate-mailer-string-function)
1887    (cons 'Reply-To mail-default-reply-to)
1888    (cons 'Bcc (function
1889                (lambda ()
1890                  (wl-draft-trim-ccs
1891                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1892    (cons 'Fcc (function
1893                (lambda ()
1894                  (wl-draft-trim-ccs wl-fcc))))
1895    (cons 'Organization wl-organization)
1896    (and wl-auto-insert-x-face
1897         (file-exists-p wl-x-face-file)
1898         'wl-draft-insert-x-face-field-here) ;; allow nil
1899    mail-default-headers
1900    ;; check \n at th end of line for `mail-default-headers'
1901    'wl-draft-check-new-line
1902    ))
1903
1904 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1905   (save-excursion
1906     (if delimline
1907         (goto-char delimline)
1908       (goto-char (point-min))
1909       (if (search-forward "\n\n" nil t)
1910           (delete-backward-char 1)
1911         (goto-char (point-max))))
1912     (wl-draft-check-new-line)
1913     (put-text-property (point)
1914                        (progn
1915                          (insert mail-header-separator "\n")
1916                          (1- (point)))
1917                        'category 'mail-header-separator)
1918     (point)))
1919
1920 ;;;;;;;;;;;;;;;;
1921
1922 (defun wl-draft-elmo-nntp-send ()
1923   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1924         (elmo-nntp-default-user
1925          (or wl-nntp-posting-user elmo-nntp-default-user))
1926         (elmo-nntp-default-server
1927          (or wl-nntp-posting-server elmo-nntp-default-server))
1928         (elmo-nntp-default-port
1929          (or wl-nntp-posting-port elmo-nntp-default-port))
1930         (elmo-nntp-default-stream-type
1931          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1932         (elmo-nntp-default-function wl-nntp-posting-function)
1933         condition)
1934     (if (setq condition (cdr (elmo-string-matched-assoc
1935                               (std11-field-body "Newsgroups")
1936                               wl-nntp-posting-config-alist)))
1937         (if (stringp condition)
1938             (setq elmo-nntp-default-server condition)
1939           (while (car condition)
1940             (set (intern (format "elmo-nntp-default-%s"
1941                                  (symbol-name (caar condition))))
1942                  (cdar condition))
1943             (setq condition (cdr condition)))))
1944     (unless elmo-nntp-default-function
1945       (error "wl-draft-nntp-send: posting-function is nil"))
1946     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1947         (wl-draft-set-sent-message 'news 'unplugged
1948                                    (cons elmo-nntp-default-server
1949                                          elmo-nntp-default-port))
1950       (funcall elmo-nntp-default-function
1951                elmo-nntp-default-server (current-buffer))
1952       (wl-draft-set-sent-message 'news 'sent)
1953       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1954                               (std11-field-body "Newsgroups")
1955                               (std11-field-body "Message-ID")))))
1956
1957 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1958   "Generate clone of current buffer named NAME."
1959   (let ((editing-buffer (current-buffer)))
1960     (save-excursion
1961       (set-buffer (generate-new-buffer name))
1962       (erase-buffer)
1963       (wl-draft-mode)
1964       (wl-draft-editor-mode)
1965       (insert-buffer editing-buffer)
1966       (message "")
1967       (while local-variables
1968         (make-local-variable (car local-variables))
1969         (set (car local-variables)
1970              (save-excursion
1971                (set-buffer editing-buffer)
1972                (symbol-value (car local-variables))))
1973         (setq local-variables (cdr local-variables)))
1974       (current-buffer))))
1975
1976 (defun wl-draft-remove-text-plain-tag ()
1977   "Remove text/plain tag of mime-edit."
1978   (when (string= (mime-make-text-tag "plain")
1979                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1980     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1981
1982 (defun wl-draft-reedit (number)
1983   (let ((draft-folder (wl-draft-get-folder))
1984         (wl-draft-reedit t)
1985         (num 0)
1986         buffer change-major-mode-hook body-top)
1987     (setq buffer (get-buffer-create (format "%s/%d" wl-draft-folder
1988                                             number)))
1989     (if wl-draft-use-frame
1990         (switch-to-buffer-other-frame buffer)
1991       (switch-to-buffer buffer))
1992     (set-buffer buffer)
1993     (elmo-message-fetch draft-folder number (elmo-make-fetch-strategy 'entire)
1994                         nil (current-buffer))
1995     (elmo-delete-cr-buffer)
1996     (let ((mime-edit-again-ignored-field-regexp
1997            "^\\(Content-.*\\|Mime-Version\\):"))
1998       (wl-draft-decode-message-in-buffer))
1999     (setq body-top (wl-draft-insert-mail-header-separator))
2000     (auto-save-mode -1)
2001     (wl-draft-mode)
2002     (make-local-variable 'truncate-partial-width-windows)
2003     (setq truncate-partial-width-windows nil)
2004     (setq truncate-lines wl-draft-truncate-lines)
2005     (setq wl-sent-message-via nil)
2006     (setq wl-sent-message-queued nil)
2007     (wl-draft-config-info-operation number 'load)
2008     (goto-char (point-min))
2009     (wl-draft-overload-functions)
2010     (wl-draft-editor-mode)
2011     (static-when (boundp 'auto-save-file-name-transforms)
2012       (make-local-variable 'auto-save-file-name-transforms)
2013       (setq auto-save-file-name-transforms
2014             (cons (list (concat (regexp-quote wl-draft-folder)
2015                                 "/\\([0-9]+\\)")
2016                         (concat (expand-file-name
2017                                  "auto-save-"
2018                                  (elmo-folder-msgdb-path
2019                                   (wl-draft-get-folder)))
2020                                 "\\1"))
2021                   auto-save-file-name-transforms)))
2022     (setq buffer-file-name (buffer-name)
2023           wl-draft-parent-folder ""
2024           wl-draft-buffer-message-number number)
2025     (when wl-draft-write-file-function
2026       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2027     (wl-highlight-headers 'for-draft)
2028     (goto-char body-top)
2029     (run-hooks 'wl-draft-reedit-hook)
2030     (goto-char (point-max))
2031     buffer))
2032
2033 (defmacro wl-draft-body-goto-top ()
2034   (` (progn
2035        (goto-char (point-min))
2036        (if (re-search-forward mail-header-separator nil t)
2037            (forward-char 1)
2038          (goto-char (point-max))))))
2039
2040 (defmacro wl-draft-body-goto-bottom ()
2041   (` (goto-char (point-max))))
2042
2043 (defmacro wl-draft-config-body-goto-header ()
2044   (` (progn
2045        (goto-char (point-min))
2046        (if (re-search-forward mail-header-separator nil t)
2047            (beginning-of-line)
2048          (goto-char (point-max))))))
2049
2050 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2051   (let (content-value)
2052     (when (and content
2053                (stringp (setq content-value (eval content))))
2054       (insert content-value)
2055       (if newline (insert "\n")))))
2056
2057 (defun wl-draft-config-sub-body (content)
2058   (wl-draft-body-goto-top)
2059   (delete-region (point) (point-max))
2060   (wl-draft-config-sub-eval-insert content))
2061
2062 (defun wl-draft-config-sub-top (content)
2063   (wl-draft-body-goto-top)
2064   (wl-draft-config-sub-eval-insert content))
2065
2066 (defun wl-draft-config-sub-bottom (content)
2067   (wl-draft-body-goto-bottom)
2068   (wl-draft-config-sub-eval-insert content))
2069
2070 (defun wl-draft-config-sub-header (content)
2071   (wl-draft-config-body-goto-header)
2072   (wl-draft-config-sub-eval-insert content 'newline))
2073
2074 (defun wl-draft-config-sub-header-top (content)
2075   (goto-char (point-min))
2076   (wl-draft-config-sub-eval-insert content 'newline))
2077
2078 (defun wl-draft-config-sub-part-top (content)
2079   (goto-char (mime-edit-content-beginning))
2080   (wl-draft-config-sub-eval-insert content 'newline))
2081
2082 (defun wl-draft-config-sub-part-bottom (content)
2083   (goto-char (mime-edit-content-end))
2084   (wl-draft-config-sub-eval-insert content 'newline))
2085
2086 (defsubst wl-draft-config-sub-file (content)
2087   (let ((coding-system-for-read wl-cs-autoconv)
2088         (file (expand-file-name (eval content))))
2089     (if (file-exists-p file)
2090         (insert-file-contents file)
2091       (error "%s: no exists file" file))))
2092
2093 (defun wl-draft-config-sub-body-file (content)
2094   (wl-draft-body-goto-top)
2095   (delete-region (point) (point-max))
2096   (wl-draft-config-sub-file content))
2097
2098 (defun wl-draft-config-sub-top-file (content)
2099   (wl-draft-body-goto-top)
2100   (wl-draft-config-sub-file content))
2101
2102 (defun wl-draft-config-sub-bottom-file (content)
2103   (wl-draft-body-goto-bottom)
2104   (wl-draft-config-sub-file content))
2105
2106 (defun wl-draft-config-sub-header-file (content)
2107   (wl-draft-config-body-goto-header)
2108   (wl-draft-config-sub-file content))
2109
2110 (defun wl-draft-config-sub-template (content)
2111   (setq wl-draft-config-variables
2112         (wl-template-insert (eval content))))
2113
2114 (defun wl-draft-config-sub-x-face (content)
2115   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2116            (fboundp 'x-face-insert)) ; x-face.el is installed.
2117       (x-face-insert content)
2118     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2119
2120 (defsubst wl-draft-config-sub-func (field content)
2121   (let (func)
2122     (if (setq func (assq field wl-draft-config-sub-func-alist))
2123         (let (wl-draft-config-variables)
2124           (funcall (cdr func) content)
2125           ;; for wl-draft-config-sub-template
2126           (cons t wl-draft-config-variables)))))
2127
2128 (defsubst wl-draft-config-exec-sub (clist)
2129   (let (config local-variables)
2130     (while clist
2131       (setq config (car clist))
2132       (cond
2133        ((functionp config)
2134         (funcall config))
2135        ((consp config)
2136         (let ((field (car config))
2137               (content (cdr config))
2138               ret-val)
2139           (cond
2140            ((stringp field)
2141             (wl-draft-replace-field field (eval content) t))
2142            ((setq ret-val (wl-draft-config-sub-func field content))
2143             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2144                 (wl-append local-variables (cdr ret-val))))
2145            ((boundp field) ;; variable
2146             (make-local-variable field)
2147             (set field (eval content))
2148             (wl-append local-variables (list field)))
2149            (t
2150             (error "%s: not variable" field)))))
2151        (t
2152         (error "%s: not supported type" config)))
2153       (setq clist (cdr clist)))
2154     local-variables))
2155
2156 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2157   "Change headers in draft preparation time."
2158   (interactive)
2159   (unless wl-draft-reedit
2160     (let ((config-alist
2161            (or config-alist
2162                (and (boundp 'wl-draft-prepared-config-alist)
2163                     wl-draft-prepared-config-alist)     ;; For compatible.
2164                wl-draft-config-alist)))
2165       (if config-alist
2166           (wl-draft-config-exec config-alist reply-buf)))))
2167
2168 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2169   "Change headers according to the value of `wl-draft-config-alist'.
2170 Automatically applied in draft sending time."
2171   (interactive)
2172   (let ((case-fold-search t)
2173         (alist (or config-alist wl-draft-config-alist))
2174         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2175                                       wl-draft-reply-buffer)))
2176         (local-variables wl-draft-config-variables)
2177         key clist found)
2178     (when (and (or (interactive-p)
2179                    wl-draft-config-exec-flag)
2180                alist)
2181       (save-excursion
2182         (catch 'done
2183           (while alist
2184             (setq key (caar alist)
2185                   clist (cdar alist))
2186             (cond
2187              ((eq key 'reply)
2188               (when (and
2189                      reply-buf
2190                      (save-excursion
2191                        (set-buffer reply-buf)
2192                        (save-restriction
2193                          (std11-narrow-to-header)
2194                          (goto-char (point-min))
2195                          (re-search-forward (car clist) nil t))))
2196                 (wl-draft-config-exec-sub (cdr clist))
2197                 (setq found t)))
2198              ((stringp key)
2199               (when (save-restriction
2200                       (std11-narrow-to-header mail-header-separator)
2201                       (goto-char (point-min))
2202                       (re-search-forward key nil t))
2203                 (wl-append local-variables
2204                            (wl-draft-config-exec-sub clist))
2205                 (setq found t)))
2206              ((eval key)
2207               (wl-append local-variables
2208                          (wl-draft-config-exec-sub clist))
2209               (setq found t)))
2210             (if (and found wl-draft-config-matchone)
2211                 (throw 'done t))
2212             (setq alist (cdr alist)))))
2213       (if found
2214           (setq wl-draft-config-exec-flag nil))
2215       (run-hooks 'wl-draft-config-exec-hook)
2216       (put-text-property (point-min)(point-max) 'face nil)
2217       (wl-highlight-message (point-min)(point-max) t)
2218       (setq wl-draft-config-variables
2219             (elmo-uniq-list local-variables)))))
2220
2221 (defun wl-draft-replace-field (field content &optional add)
2222   (save-excursion
2223     (save-restriction
2224       (let ((case-fold-search t)
2225             (inhibit-read-only t) ;; added by teranisi.
2226             beg)
2227         (std11-narrow-to-header mail-header-separator)
2228         (goto-char (point-min))
2229         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2230             (if content
2231                 ;; replace field
2232                 (progn
2233                   (setq beg (point))
2234                   (re-search-forward "^[^ \t]" nil 'move)
2235                   (beginning-of-line)
2236                   (skip-chars-backward "\n")
2237                   (delete-region beg (point))
2238                   (insert " " content))
2239               ;; delete field
2240               (save-excursion
2241                 (beginning-of-line)
2242                 (setq beg (point)))
2243               (re-search-forward "^[^ \t]" nil 'move)
2244               (beginning-of-line)
2245               (delete-region beg (point)))
2246           (when (and add content)
2247             ;; add field
2248             (goto-char (point-max))
2249             (insert (concat field ": " content "\n"))))))))
2250
2251 (defun wl-draft-config-info-operation (msg operation)
2252   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2253          (filename
2254           (expand-file-name
2255            (format "%s-%d" wl-draft-config-save-filename msg)
2256            msgdb-dir))
2257          element alist variable)
2258     (cond
2259      ((eq operation 'save)
2260       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2261         (while (setq variable (pop variables))
2262           (when (boundp variable)
2263             (wl-append alist
2264                        (list (cons variable (eval variable))))))
2265         (elmo-object-save filename alist)))
2266      ((eq operation 'load)
2267       (setq alist (elmo-object-load filename))
2268       (while (setq element (pop alist))
2269         (set (make-local-variable (car element)) (cdr element))
2270         (wl-append wl-draft-config-variables (list (car element)))))
2271      ((eq operation 'delete)
2272       (if (file-exists-p filename)
2273           (delete-file filename))))))
2274
2275 (defun wl-draft-queue-info-operation (msg operation
2276                                           &optional add-sent-message-via)
2277   (let* ((msgdb-dir (elmo-folder-msgdb-path
2278                      (wl-folder-get-elmo-folder wl-queue-folder)))
2279          (filename
2280           (expand-file-name
2281            (format "%s-%d" wl-draft-queue-save-filename msg)
2282            msgdb-dir))
2283          element alist variable)
2284     (cond
2285      ((eq operation 'save)
2286       (let ((variables (elmo-uniq-list
2287                         (append wl-draft-queue-save-variables
2288                                 wl-draft-config-variables
2289                                 (list 'wl-draft-fcc-list)))))
2290         (if add-sent-message-via
2291             (progn
2292               (push 'wl-sent-message-queued variables)
2293               (push 'wl-sent-message-via variables)))
2294         (while (setq variable (pop variables))
2295           (when (boundp variable)
2296             (wl-append alist
2297                        (list (cons variable (eval variable))))))
2298         (elmo-object-save filename alist)))
2299      ((eq operation 'load)
2300       (setq alist (elmo-object-load filename))
2301       (while (setq element (pop alist))
2302         (set (make-local-variable (car element)) (cdr element))))
2303      ((eq operation 'get-sent-via)
2304       (setq alist (elmo-object-load filename))
2305       (cdr (assq 'wl-sent-message-via alist)))
2306      ((eq operation 'delete)
2307       (if (file-exists-p filename)
2308           (delete-file filename))))))
2309
2310 (defun wl-draft-queue-append (wl-sent-message-via)
2311   (if wl-draft-verbose-send
2312       (message "Queuing..."))
2313   (let ((send-buffer (current-buffer))
2314         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2315         (message-id (std11-field-body "Message-ID")))
2316     (if (elmo-folder-append-buffer folder)
2317         (progn
2318           (wl-draft-queue-info-operation
2319            (car (elmo-folder-status folder))
2320            'save wl-sent-message-via)
2321           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2322           (when wl-draft-verbose-send
2323             (setq wl-draft-verbose-msg "Queuing...")
2324             (message "Queuing...done")))
2325       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2326       (error "Queuing failed"))))
2327
2328 (defun wl-draft-queue-flush ()
2329   "Flush draft queue."
2330   (interactive)
2331   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2332          (msgs2 (progn
2333                   (elmo-folder-open-internal queue-folder)
2334                   (elmo-folder-list-messages queue-folder)))
2335          (i 0)
2336          (performed 0)
2337          (wl-draft-queue-flushing t)
2338          msgs failure len buffer msgid sent-via)
2339     ;; get plugged send message
2340     (while msgs2
2341       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2342       (catch 'found
2343         (while sent-via
2344           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2345                      (or (not (nth 2 (car sent-via)))
2346                          (elmo-plugged-p
2347                           (car (nth 2 (car sent-via)))
2348                           (cdr (nth 2 (car sent-via))))))
2349             (wl-append msgs (list (car msgs2)))
2350             (throw 'found t))
2351           (setq sent-via (cdr sent-via))))
2352       (setq msgs2 (cdr msgs2)))
2353     (when (> (setq len (length msgs)) 0)
2354       (if (elmo-y-or-n-p (format
2355                           "%d message(s) are in the sending queue.  Send now? "
2356                           len)
2357                          (not elmo-dop-flush-confirm) t)
2358           (progn
2359             (save-excursion
2360               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2361               (set-buffer buffer)
2362               (while msgs
2363                 ;; reset buffer local variables
2364                 (kill-all-local-variables)
2365                 (erase-buffer)
2366                 (setq i (+ 1 i)
2367                       failure nil)
2368                 (setq wl-sent-message-via nil)
2369                 (wl-draft-queue-info-operation (car msgs) 'load)
2370                 (elmo-message-fetch queue-folder
2371                                     (car msgs)
2372                                     (elmo-make-fetch-strategy 'entire)
2373                                     nil (current-buffer))
2374                 (condition-case err
2375                     (setq failure (funcall
2376                                    wl-draft-queue-flush-send-function
2377                                    (format "Sending (%d/%d)..." i len)))
2378 ;;;               (wl-draft-raw-send nil nil
2379 ;;;                                  (format "Sending (%d/%d)..." i len))
2380                   (error
2381                    (elmo-display-error err t)
2382                    (setq failure t))
2383                   (quit
2384                    (setq failure t)))
2385                 (if (eq wl-sent-message-modified 'requeue)
2386                     (progn
2387                       (elmo-folder-delete-messages
2388                        queue-folder (cons (car msgs) nil))
2389                       (wl-draft-queue-info-operation (car msgs) 'delete))
2390                   (unless failure
2391                     (elmo-folder-delete-messages
2392                      queue-folder (cons (car msgs) nil))
2393                     (wl-draft-queue-info-operation (car msgs) 'delete)
2394                     (setq performed (+ 1 performed))))
2395                 (setq msgs (cdr msgs)))
2396               (kill-buffer buffer)
2397               (message "%d message(s) are sent." performed)))
2398         (message "%d message(s) are remained to be sent." len))
2399       (elmo-folder-close queue-folder)
2400       len)))
2401
2402 (defun wl-jump-to-draft-buffer (&optional arg)
2403   "Jump to the draft if exists."
2404   (interactive "P")
2405   (if arg
2406       (wl-jump-to-draft-folder)
2407     (let ((draft-bufs (wl-collect-draft))
2408           buf)
2409       (cond
2410        ((null draft-bufs)
2411         (message "No draft buffer exist."))
2412        (t
2413         (setq draft-bufs
2414               (sort (mapcar 'buffer-name draft-bufs)
2415                     (function (lambda (a b)
2416                                 (not (string< a b))))))
2417         (if (setq buf (cdr (member (buffer-name)
2418                                    draft-bufs)))
2419             (setq buf (car buf))
2420           (setq buf (car draft-bufs)))
2421         (switch-to-buffer buf))))))
2422
2423 (defun wl-jump-to-draft-folder ()
2424   (let ((msgs (reverse (elmo-folder-list-messages (wl-draft-get-folder))))
2425         (mybuf (buffer-name))
2426         msg buf)
2427     (if (not msgs)
2428         (message "No draft message exist.")
2429       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2430           (setq msg (cadr (memq
2431                            (string-to-int (substring mybuf (match-end 0)))
2432                            msgs))))
2433       (or msg (setq msg (car msgs)))
2434       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2435           (switch-to-buffer buf)
2436         (wl-draft-reedit msg)))))
2437
2438 (defun wl-draft-highlight-and-recenter (&optional n)
2439   (interactive "P")
2440   (when wl-highlight-body-too
2441     (let ((modified (buffer-modified-p)))
2442       (unwind-protect
2443           (progn
2444             (put-text-property (point-min) (point-max) 'face nil)
2445             (wl-highlight-message (point-min) (point-max) t))
2446         (set-buffer-modified-p modified))))
2447   (static-when (featurep 'xemacs)
2448     ;; Cope with one of many XEmacs bugs that `recenter' takes
2449     ;; a long time if there are a lot of invisible text lines.
2450     (redraw-frame))
2451   (recenter n))
2452
2453 ;; insert element from history
2454 (defvar wl-draft-current-history-position nil)
2455 (defvar wl-draft-history-backup-word "")
2456
2457 (defun wl-draft-previous-history-element (n)
2458   (interactive "p")
2459   (let (bol history beg end prev new)
2460     (when (and (not (wl-draft-on-field-p))
2461                (< (point)
2462                   (save-excursion
2463                     (goto-char (point-min))
2464                     (search-forward (concat "\n" mail-header-separator "\n") nil 0)
2465                     (point)))
2466                (save-excursion
2467                  (beginning-of-line)
2468                  (while (and (looking-at "^[ \t]")
2469                              (not (= (point) (point-min))))
2470                    (forward-line -1))
2471                  (cond
2472                   ((looking-at wl-folder-complete-header-regexp)
2473                    (and (boundp 'wl-read-folder-history)
2474                         (setq history wl-read-folder-history)))
2475                   ;; ((looking-at wl-address-complete-header-regexp)
2476                   ;;  (setq history .....))
2477                   (t
2478                    nil)))
2479                (eolp))
2480       (setq bol (save-excursion (beginning-of-line) (point)))
2481       (cond ((and (or (eq last-command 'wl-draft-previous-history-element)
2482                       (eq last-command 'wl-draft-next-history-element))
2483                   wl-draft-current-history-position)
2484              (setq end (point))
2485              (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2486                  (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2487                  (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t))
2488              (setq prev (match-string 1))
2489              (goto-char (match-beginning 1))
2490              (setq beg (point))
2491              (if (cond ((< n 0)
2492                         (>= (+ n wl-draft-current-history-position) 0))
2493                        ((> n 0)
2494                         (<= (+ n wl-draft-current-history-position)
2495                             (length history))))
2496                  (progn
2497                    (setq wl-draft-current-history-position
2498                          (+ n wl-draft-current-history-position))
2499                    (setq new
2500                          (nth wl-draft-current-history-position
2501                               (append (list wl-draft-history-backup-word)
2502                                       history)))
2503                    (delete-region beg end)
2504                    (insert new))
2505                (goto-char end)
2506                (cond ((< n 0)
2507                       (message "End of history; no next item"))
2508                      ((> n 0)
2509                       (message "Beginning of history; no preceding item")))))
2510             ((and (> n 0)
2511                   (save-excursion
2512                     (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2513                         (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2514                         (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t)))
2515                   (car history))
2516              (setq wl-draft-current-history-position 1)
2517              (setq wl-draft-history-backup-word (match-string 1))
2518              (delete-region (match-beginning 1) (match-end 1))
2519              (insert (car history)))
2520             (t
2521              (setq wl-draft-current-history-position nil))))))
2522
2523 (defun wl-draft-next-history-element (n)
2524   (interactive "p")
2525   (wl-draft-previous-history-element (- n)))
2526
2527 ;;;; user-agent support by Sen Nagata
2528
2529 ;; this appears to be necessarily global...
2530 (defvar wl-user-agent-compose-p nil)
2531 (defvar wl-user-agent-headers-and-body-alist nil)
2532
2533 ;; this should be a generic function for mail-mode -- i wish there was
2534 ;; something like it in sendmail.el
2535 (defun wl-user-agent-insert-header (header-name header-value)
2536   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2537   ;; it seems like overriding existing headers is acceptable -- should
2538   ;; we provide an option?
2539
2540   ;; plan was: unfold header (might be folded), remove existing value, insert
2541   ;;           new value
2542   ;; wl doesn't seem to fold header lines yet anyway :-)
2543
2544   (let ((kill-whole-line t)
2545         end-of-line)
2546     (mail-position-on-field (capitalize header-name))
2547     (setq end-of-line (point))
2548     (beginning-of-line)
2549     (re-search-forward ":" end-of-line)
2550     (insert (concat " " header-value "\n"))
2551     (kill-line)))
2552
2553 ;; this should be a generic function for mail-mode -- i wish there was
2554 ;; something like it in sendmail.el
2555 ;;
2556 ;; ** haven't dealt w/ case where the body is already set **
2557 (defun wl-user-agent-insert-body (body-text)
2558   "Insert a body of text, BODY-TEXT, into a message."
2559   ;; code defensively... :-P
2560   (goto-char (point-min))
2561   (search-forward mail-header-separator)
2562   (forward-line 1)
2563   (insert body-text))
2564
2565 ;;;###autoload
2566 (defun wl-user-agent-compose (&optional to subject other-headers continue
2567                                         switch-function yank-action
2568                                         send-actions)
2569   "Support the `compose-mail' interface for wl.
2570 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2571 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2572 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2573
2574   (unless (featurep 'wl)
2575     (require 'wl))
2576   (or switch-function
2577       (setq switch-function 'keep))
2578   ;; protect these -- to and subject get bound at some point, so it looks
2579   ;; to be necessary to protect the values used w/in
2580   (let ((wl-user-agent-headers-and-body-alist other-headers)
2581         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2582         (wl-draft-buffer-style switch-function))
2583     (if to
2584         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2585                                    'ignore-case)
2586             (setcdr
2587              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2588                                     'ignore-case)
2589              to)
2590           (setq wl-user-agent-headers-and-body-alist
2591                 (cons (cons "to" to)
2592                       wl-user-agent-headers-and-body-alist))))
2593     (if subject
2594         (if (wl-string-match-assoc "subject"
2595                                    wl-user-agent-headers-and-body-alist
2596                                    'ignore-case)
2597             (setcdr
2598              (wl-string-match-assoc "subject"
2599                                     wl-user-agent-headers-and-body-alist
2600                                     'ignore-case)
2601              subject)
2602           (setq wl-user-agent-headers-and-body-alist
2603                 (cons (cons "subject" subject)
2604                       wl-user-agent-headers-and-body-alist))))
2605     ;; i think this is what we want to use...
2606     (unwind-protect
2607         (progn
2608           ;; tell the hook-function to do its stuff
2609           (setq wl-user-agent-compose-p t)
2610           ;; because to get the hooks working, wl-draft has to think it has
2611           ;; been called interactively
2612           (call-interactively 'wl-draft))
2613       (setq wl-user-agent-compose-p nil))))
2614
2615 (defun wl-user-agent-compose-internal ()
2616   "Manipulate headers and/or a body of a draft message."
2617   ;; being called from wl-user-agent-compose?
2618   (if wl-user-agent-compose-p
2619       (progn
2620         ;; insert headers
2621         (let ((headers wl-user-agent-headers-and-body-alist)
2622               (case-fold-search t))
2623           (while headers
2624             ;; skip body
2625             (if (not (string-match "^body$" (car (car headers))))
2626                 (wl-user-agent-insert-header
2627                  (car (car headers)) (cdr (car headers)))
2628               t)
2629             (setq headers (cdr headers))))
2630         ;; highlight headers (from wl-draft in wl-draft.el)
2631         (wl-highlight-headers 'for-draft)
2632         ;; insert body
2633         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2634                                    'ignore-case)
2635             (wl-user-agent-insert-body
2636              (cdr (wl-string-match-assoc
2637                    "body"
2638                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2639     t))
2640
2641 (defun wl-draft-setup-parent-flag (flag)
2642   "Setup a FLAG for parent message."
2643   (when (and (> (length wl-draft-parent-folder) 0)
2644              wl-draft-parent-number)
2645     (setq wl-draft-parent-flag flag)
2646     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)))
2647
2648 (require 'product)
2649 (product-provide (provide 'wl-draft) (require 'wl-version))
2650
2651 ;;; wl-draft.el ends here