wl/wl-draft.el

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