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