wl/wl-draft.el

   1 ;;; wl-draft.el --- Message draft mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5
   6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
   8 ;; Keywords: mail, net news
   9
  10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  11
  12 ;; This program is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16 ;;
  17 ;; This program is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21 ;;
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26 ;;
  27
  28 ;;; Commentary:
  29 ;;
  30
  31 ;;; Code:
  32 ;;
  33 (require 'elmo)
  34 (require 'sendmail)
  35 (require 'wl-template)
  36 (require 'emu)
  37 (condition-case nil (require 'timezone) (error nil))
  38 (require 'std11)
  39 (require 'eword-encode)
  40 (require 'wl-vars)
  41
  42 (defvar x-face-add-x-face-version-header)
  43 (defvar mail-reply-buffer)
  44 (defvar mail-from-style)
  45
  46 (eval-when-compile
  47   (require 'cl)
  48   (require 'static)
  49   (require 'elmo-pop3)
  50   (defalias-maybe 'x-face-insert 'ignore)
  51   (defalias-maybe 'x-face-insert-version-header 'ignore)
  52   (defalias-maybe 'wl-init 'ignore)
  53   (defalias-maybe 'wl-draft-mode 'ignore))
  54
  55 (eval-and-compile
  56   (autoload 'wl-addrmgr "wl-addrmgr"))
  57
  58 (autoload 'open-ssl-stream "ssl")
  59
  60 (defvar wl-draft-buffer-message-number nil)
  61 (defvar wl-draft-field-completion-list nil)
  62 (defvar wl-draft-verbose-send t)
  63 (defvar wl-draft-verbose-msg nil)
  64 (defvar wl-draft-queue-flushing nil)
  65 (defvar wl-draft-config-variables nil)
  66 (defvar wl-draft-config-exec-flag t)
  67 (defvar wl-draft-buffer-cur-summary-buffer nil)
  68 (defvar wl-draft-clone-local-variable-regexp "^\\(wl\\|mime\\)")
  69 (defvar wl-draft-sendlog-filename "sendlog")
  70 (defvar wl-draft-queue-save-filename "qinfo")
  71 (defvar wl-draft-config-save-filename "config")
  72 (defvar wl-draft-queue-flush-send-function 'wl-draft-dispatch-message)
  73 (defvar wl-sent-message-via nil)
  74 (defvar wl-sent-message-modified nil)
  75 (defvar wl-sent-message-queued nil)
  76 (defvar wl-draft-fcc-list nil)
  77 (defvar wl-draft-reedit nil)
  78 (defvar wl-draft-reply-buffer nil)
  79 (defvar wl-draft-forward nil)
  80 (defvar wl-draft-doing-mime-bcc nil)
  81
  82 (defvar wl-draft-parent-folder nil
  83   "Folder name of the summary in which current draft is invoked.
  84 This variable is local in each draft buffer.
  85 You can refer its value in `wl-draft-config-alist'.
  86
  87 e.g.
  88 \(setq wl-draft-config-alist
  89       '(((string-match \".*@domain1$\" wl-draft-parent-folder)
  90          (\"From\" . \"user@domain1\"))
  91         ((string-match \".*@domain2$\" wl-draft-parent-folder)
  92          (\"From\" . \"user@domain2\"))))")
  93
  94 (defvar wl-draft-parent-number nil)
  95 (defvar wl-draft-parent-flag nil)
  96
  97 (defconst wl-draft-parent-variables
  98   '(wl-draft-parent-folder
  99     wl-draft-parent-number
 100     wl-draft-parent-flag))
 101
 102 (defvar wl-draft-config-sub-func-alist
 103   '((body               . wl-draft-config-sub-body)
 104     (top                . wl-draft-config-sub-top)
 105     (bottom             . wl-draft-config-sub-bottom)
 106     (header             . wl-draft-config-sub-header)
 107     (header-top         . wl-draft-config-sub-header-top)
 108     (header-bottom      . wl-draft-config-sub-header)
 109     (part-top           . wl-draft-config-sub-part-top)
 110     (part-bottom        . wl-draft-config-sub-part-bottom)
 111     (body-file          . wl-draft-config-sub-body-file)
 112     (top-file           . wl-draft-config-sub-top-file)
 113     (bottom-file        . wl-draft-config-sub-bottom-file)
 114     (header-file        . wl-draft-config-sub-header-file)
 115     (template           . wl-draft-config-sub-template)
 116     (x-face             . wl-draft-config-sub-x-face)))
 117
 118 (make-variable-buffer-local 'wl-draft-buffer-message-number)
 119 (make-variable-buffer-local 'wl-draft-buffer-cur-summary-buffer)
 120 (make-variable-buffer-local 'wl-draft-config-variables)
 121 (make-variable-buffer-local 'wl-draft-config-exec-flag)
 122 (make-variable-buffer-local 'wl-sent-message-via)
 123 (make-variable-buffer-local 'wl-sent-message-queued)
 124 (make-variable-buffer-local 'wl-draft-fcc-list)
 125 (make-variable-buffer-local 'wl-draft-reply-buffer)
 126 (make-variable-buffer-local 'wl-draft-parent-folder)
 127 (make-variable-buffer-local 'wl-draft-parent-number)
 128 (make-variable-buffer-local 'wl-draft-parent-flag)
 129
 130 (defvar wl-draft-folder-internal nil
 131   "Internal variable for caching `opened' draft folder.")
 132
 133 (defsubst wl-smtp-password-key (user mechanism server)
 134   (format "SMTP:%s/%s@%s"
 135           user mechanism server))
 136
 137 (defmacro wl-smtp-extension-bind (&rest body)
 138   (` (let* ((smtp-sasl-mechanisms
 139              (if wl-smtp-authenticate-type
 140                  (mapcar 'upcase
 141                          (if (listp wl-smtp-authenticate-type)
 142                              wl-smtp-authenticate-type
 143                            (list wl-smtp-authenticate-type)))))
 144             (smtp-use-sasl (and smtp-sasl-mechanisms t))
 145             (smtp-use-starttls (eq wl-smtp-connection-type 'starttls))
 146             (smtp-open-connection-function
 147              (if (eq wl-smtp-connection-type 'ssl)
 148                  #'open-ssl-stream
 149                smtp-open-connection-function))
 150             (smtp-end-of-line
 151              (if (eq wl-smtp-connection-type 'ssl)
 152                  "\n"
 153                smtp-end-of-line))
 154             smtp-sasl-user-name smtp-sasl-properties sasl-read-passphrase)
 155        (setq smtp-sasl-user-name wl-smtp-posting-user
 156              smtp-sasl-properties (when wl-smtp-authenticate-realm
 157                                     (list 'realm
 158                                           wl-smtp-authenticate-realm)))
 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 &optional number)
 273   (let (references parent-folder subject)
 274     (with-current-buffer summary-buf
 275       (setq parent-folder (wl-summary-buffer-folder-name)))
 276     (let ((decoder (mime-find-field-decoder 'Subject 'plain)))
 277       (setq subject (if (and original-subject decoder)
 278                         (funcall decoder original-subject) original-subject)))
 279     (with-current-buffer (wl-message-get-original-buffer)
 280       (setq subject (wl-draft-forward-make-subject subject))
 281       (setq references (nconc
 282                         (std11-field-bodies '("References" "In-Reply-To"))
 283                         (list (std11-field-body "Message-Id"))))
 284       (setq references (delq nil references)
 285             references (mapconcat 'identity references " ")
 286             references (wl-draft-parse-msg-id-list-string references)
 287             references (wl-delete-duplicates references)
 288             references (when references
 289                          (mapconcat 'identity references "\n\t"))))
 290     (and wl-draft-use-frame
 291          (get-buffer-window summary-buf)
 292          (select-window (get-buffer-window summary-buf)))
 293     (wl-draft (list (cons 'To "")
 294                     (cons 'Subject subject)
 295                     (cons 'References references))
 296               nil nil nil nil parent-folder number))
 297   (goto-char (point-max))
 298   (wl-draft-insert-message)
 299   (mail-position-on-field "To")
 300   (setq wl-draft-config-variables
 301         (append wl-draft-parent-variables
 302                 wl-draft-config-variables))
 303   (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
 304   (run-hooks 'wl-draft-forward-hook))
 305
 306 (defun wl-draft-self-reply-p ()
 307   "Return t when From address in the current message is user's self one or not."
 308   (wl-address-user-mail-address-p (or (elmo-field-body "From") "")))
 309
 310 (defun wl-draft-reply (buf with-arg summary-buf &optional number)
 311   "Reply to BUF buffer message.
 312 Reply to author if WITH-ARG is non-nil."
 313 ;;;(save-excursion
 314   (let (r-list
 315         to mail-followup-to cc subject in-reply-to references newsgroups
 316         to-alist cc-alist decoder parent-folder)
 317     (when (buffer-live-p summary-buf)
 318       (with-current-buffer summary-buf
 319         (setq parent-folder (wl-summary-buffer-folder-name))))
 320     (set-buffer (or buf mime-mother-buffer))
 321     (setq r-list (if with-arg wl-draft-reply-with-argument-list
 322                    wl-draft-reply-without-argument-list))
 323     (catch 'done
 324       (while r-list
 325         (when (let ((condition (car (car r-list))))
 326                 (cond ((stringp condition)
 327                        (std11-field-body condition))
 328                       ((listp condition)
 329                        (catch 'done
 330                          (while condition
 331                            (cond
 332                             ((stringp (car condition))
 333                              (or (std11-field-body (car condition))
 334                                  (throw 'done nil)))
 335                             ((symbolp (car condition))
 336                              (or (funcall (car condition))
 337                                  (throw 'done nil)))
 338                             (t
 339                              (debug)))
 340                            (setq condition (cdr condition)))
 341                          t))
 342                       ((symbolp condition)
 343                        (funcall condition))))
 344           (let ((r-to-list (nth 0 (cdr (car r-list))))
 345                 (r-cc-list (nth 1 (cdr (car r-list))))
 346                 (r-ng-list (nth 2 (cdr (car r-list)))))
 347             (when (and (member "Followup-To" r-ng-list)
 348                        (string= (std11-field-body "Followup-To") "poster"))
 349               (setq r-to-list (cons "From" r-to-list))
 350               (setq r-ng-list (delete "Followup-To"
 351                                       (copy-sequence r-ng-list))))
 352             (if (and r-to-list (symbolp r-to-list))
 353                 (setq to (wl-concat-list (funcall r-to-list) ","))
 354               (setq to (wl-concat-list (cons to
 355                                              (elmo-multiple-fields-body-list
 356                                               r-to-list))
 357                                        ",")))
 358             (if (and r-cc-list (symbolp r-cc-list))
 359                 (setq cc (wl-concat-list (funcall r-cc-list) ","))
 360               (setq cc (wl-concat-list (cons cc
 361                                              (elmo-multiple-fields-body-list
 362                                               r-cc-list))
 363                                        ",")))
 364             (if (and r-ng-list (symbolp r-ng-list))
 365                 (setq newsgroups (wl-concat-list (funcall r-ng-list) ","))
 366               (setq newsgroups (wl-concat-list (cons newsgroups
 367                                                      (std11-field-bodies
 368                                                       r-ng-list))
 369                                                ","))))
 370           (throw 'done nil))
 371         (setq r-list (cdr r-list)))
 372       (error "No match field: check your `wl-draft-reply-%s-argument-list'"
 373              (if with-arg "with" "without")))
 374     (setq subject (std11-field-body "Subject"))
 375     (setq to (wl-parse-addresses to)
 376           cc (wl-parse-addresses cc))
 377     (with-temp-buffer                   ; to keep raw buffer unibyte.
 378       (set-buffer-multibyte default-enable-multibyte-characters)
 379       (setq decoder (mime-find-field-decoder 'Subject 'plain))
 380       (setq subject (if (and subject decoder)
 381                         (funcall decoder subject) subject))
 382       (setq to-alist
 383             (mapcar
 384              (lambda (addr)
 385                (setq decoder (mime-find-field-decoder 'To 'plain))
 386                (cons (nth 1 (std11-extract-address-components addr))
 387                      (if decoder (funcall decoder addr) addr)))
 388              to))
 389       (setq cc-alist
 390             (mapcar
 391              (lambda (addr)
 392                (setq decoder (mime-find-field-decoder 'Cc 'plain))
 393                (cons (nth 1 (std11-extract-address-components addr))
 394                      (if decoder (funcall decoder addr) addr)))
 395              cc)))
 396     (setq subject (wl-draft-reply-make-subject subject))
 397     (setq in-reply-to (std11-field-body "Message-Id"))
 398     (setq references (nconc
 399                       (std11-field-bodies '("References" "In-Reply-To"))
 400                       (list in-reply-to)))
 401     (setq to (delq nil (mapcar 'car to-alist)))
 402     (setq cc (delq nil (mapcar 'car cc-alist)))
 403     ;; if subscribed mailing list is contained in cc or to
 404     ;; and myself is contained in cc,
 405     ;; delete myself from cc.
 406     (setq cc (wl-draft-delete-myself-from-cc to cc))
 407     (when wl-insert-mail-followup-to
 408       (setq mail-followup-to
 409             (wl-draft-make-mail-followup-to (append to cc)))
 410       (setq mail-followup-to (wl-delete-duplicates mail-followup-to nil t)))
 411     (with-temp-buffer                   ; to keep raw buffer unibyte.
 412       (set-buffer-multibyte default-enable-multibyte-characters)
 413       (setq newsgroups (wl-parse newsgroups
 414                                  "[ \t\f\r\n,]*\\([^ \t\f\r\n,]+\\)")
 415             newsgroups (wl-delete-duplicates newsgroups)
 416             newsgroups
 417             (if newsgroups
 418                 (mapconcat
 419                  (lambda (grp)
 420                    (setq decoder (mime-find-field-decoder 'Newsgroups 'plain))
 421                    (if decoder (funcall decoder grp) grp))
 422                  newsgroups ","))))
 423     (setq to (wl-delete-duplicates to nil t))
 424     (setq cc (wl-delete-duplicates
 425               (append (wl-delete-duplicates cc nil t)
 426                       to (copy-sequence to))
 427               t t))
 428     (and to (setq to (mapconcat
 429                       '(lambda (addr)
 430                          (if wl-draft-reply-use-address-with-full-name
 431                              (or (cdr (assoc addr to-alist)) addr)
 432                            addr))
 433                       to ",\n\t")))
 434     (and cc (setq cc (mapconcat
 435                       '(lambda (addr)
 436                          (if wl-draft-reply-use-address-with-full-name
 437                              (or (cdr (assoc addr cc-alist)) addr)
 438                            addr))
 439                       cc ",\n\t")))
 440     (and mail-followup-to
 441          (setq mail-followup-to
 442                (mapconcat
 443                 '(lambda (addr)
 444                    (if wl-draft-reply-use-address-with-full-name
 445                        (or (cdr (assoc addr (append to-alist cc-alist))) addr)
 446                      addr))
 447                 mail-followup-to ",\n\t")))
 448     (and (null to) (setq to cc cc nil))
 449     (setq references (delq nil references)
 450           references (mapconcat 'identity references " ")
 451           references (wl-draft-parse-msg-id-list-string references)
 452           references (wl-delete-duplicates references)
 453           references (if references
 454                          (mapconcat 'identity references "\n\t")))
 455     (and wl-draft-use-frame
 456          (get-buffer-window summary-buf)
 457          (select-window (get-buffer-window summary-buf)))
 458     (wl-draft (list (cons 'To to)
 459                     (cons 'Cc cc)
 460                     (cons 'Newsgroups newsgroups)
 461                     (cons 'Subject subject)
 462                     (cons 'In-Reply-To in-reply-to)
 463                     (cons 'References references)
 464                     (cons 'Mail-Followup-To mail-followup-to))
 465               nil nil nil nil parent-folder number)
 466     (setq wl-draft-reply-buffer buf)
 467     (setq wl-draft-config-variables
 468           (append wl-draft-parent-variables
 469                   wl-draft-config-variables))
 470     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save))
 471   (run-hooks 'wl-draft-reply-hook))
 472
 473 (defun wl-draft-reply-position (position)
 474   (cond ((eq position 'body)
 475          (wl-draft-body-goto-top))
 476         ((eq position 'bottom)
 477          (wl-draft-body-goto-bottom))
 478         ((eq position 'top)
 479          (goto-char (point-min)))
 480         ((and (stringp position)
 481               (std11-field-body position))
 482          (progn (mail-position-on-field position)
 483                 (wl-draft-beginning-of-line)))
 484         ((listp position)
 485          (while (car position)
 486            (wl-draft-reply-position (car position))
 487            (setq position (cdr position))))))
 488
 489 (defun wl-draft-add-references ()
 490   (wl-draft-add-in-reply-to "References"))
 491
 492 (defun wl-draft-add-in-reply-to (&optional alt-field)
 493   (let* ((mes-id (save-excursion
 494                    (set-buffer mail-reply-buffer)
 495                    (std11-field-body "message-id")))
 496          (field (or alt-field "In-Reply-To"))
 497          (ref (std11-field-body field))
 498          (ref-list nil) (st nil))
 499     (when (and mes-id ref)
 500       (while (string-match "<[^>]+>" ref st)
 501         (setq ref-list
 502               (cons (substring ref (match-beginning 0) (setq st (match-end 0)))
 503                     ref-list)))
 504       (when (and ref-list
 505                  (member mes-id ref-list))
 506         (setq mes-id nil)))
 507     (when mes-id
 508       (save-excursion
 509         (when (mail-position-on-field field)
 510           (forward-line)
 511           (while (looking-at "^[ \t]")
 512             (forward-line))
 513           (setq mes-id (concat "\t" mes-id "\n")))
 514         (insert mes-id))
 515       t)))
 516
 517 (defun wl-draft-yank-from-mail-reply-buffer (decode-it
 518                                              &optional ignored-fields)
 519   (interactive)
 520   (save-restriction
 521     (narrow-to-region (point)(point))
 522     (insert
 523      (string-as-multibyte
 524       (with-current-buffer mail-reply-buffer
 525         (when decode-it
 526           (decode-mime-charset-region (point-min) (point-max)
 527                                       wl-mime-charset))
 528         (buffer-substring-no-properties
 529          (point-min) (point-max)))))
 530     (when ignored-fields
 531       (goto-char (point-min))
 532       (wl-draft-delete-fields ignored-fields))
 533     (goto-char (point-max))
 534     (push-mark (point) nil t)
 535     (goto-char (point-min)))
 536   (let ((beg (point)))
 537     (cond (mail-citation-hook (run-hooks 'mail-citation-hook))
 538           (mail-yank-hooks (run-hooks 'mail-yank-hooks))
 539           (wl-draft-cite-function (funcall wl-draft-cite-function))) ; default cite
 540     (run-hooks 'wl-draft-cited-hook)
 541     (when (if wl-draft-add-references
 542               (wl-draft-add-references)
 543             (if wl-draft-add-in-reply-to
 544                 (wl-draft-add-in-reply-to)))
 545       (wl-highlight-headers 'for-draft)) ; highlight when added References:
 546     (when wl-highlight-body-too
 547       (wl-highlight-body-region beg (point-max)))))
 548
 549 (defun wl-message-news-p ()
 550   "If exist valid Newsgroups field, return non-nil."
 551   (std11-field-body "Newsgroups"))
 552
 553 (defun wl-message-field-exists-p (field)
 554   "If FIELD exist and FIELD value is not empty, return non-nil."
 555   (let ((value (std11-field-body field)))
 556     (and value
 557          (not (string= value "")))))
 558
 559 (defun wl-message-mail-p ()
 560   "If exist To, Cc or Bcc field, return non-nil."
 561   (or (wl-message-field-exists-p "To")
 562       (wl-message-field-exists-p "Resent-to")
 563       (wl-message-field-exists-p "Cc")
 564       (wl-message-field-exists-p "Bcc")
 565       (wl-message-field-exists-p wl-draft-mime-bcc-field-name)
 566 ;;; This may be needed..
 567 ;;;   (wl-message-field-exists-p "Fcc")
 568       ))
 569
 570 (defun wl-draft-edit-string (string)
 571   (let ((cur-buf (current-buffer))
 572         (tmp-buf (get-buffer-create " *wl-draft-edit-string*"))
 573         to subject in-reply-to cc references newsgroups mail-followup-to
 574         content-type content-transfer-encoding from
 575         body-beg)
 576     (set-buffer tmp-buf)
 577     (erase-buffer)
 578     (insert string)
 579     (setq to (std11-field-body "To"))
 580     (setq to (and to
 581                   (eword-decode-string
 582                    (decode-mime-charset-string
 583                     to
 584                     wl-mime-charset))))
 585     (setq subject (std11-field-body "Subject"))
 586     (setq subject (and subject
 587                        (eword-decode-string
 588                         (decode-mime-charset-string
 589                          subject
 590                          wl-mime-charset))))
 591     (setq from (std11-field-body "From")
 592           from (and from
 593                     (eword-decode-string
 594                      (decode-mime-charset-string
 595                       from
 596                       wl-mime-charset))))
 597     (setq in-reply-to (std11-field-body "In-Reply-To"))
 598     (setq cc (std11-field-body "Cc"))
 599     (setq cc (and cc
 600                   (eword-decode-string
 601                    (decode-mime-charset-string
 602                     cc
 603                     wl-mime-charset))))
 604     (setq references (std11-field-body "References"))
 605     (setq newsgroups (std11-field-body "Newsgroups"))
 606     (setq mail-followup-to (std11-field-body "Mail-Followup-To"))
 607     (setq content-type (std11-field-body "Content-Type"))
 608     (setq content-transfer-encoding (std11-field-body "Content-Transfer-Encoding"))
 609     (goto-char (point-min))
 610     (or (re-search-forward "\n\n" nil t)
 611         (search-forward (concat mail-header-separator "\n") nil t))
 612     (unwind-protect
 613         (set-buffer
 614          (wl-draft (list
 615                     (cons 'From
 616                           (if (wl-address-user-mail-address-p from) from))
 617                     (cons 'To to)
 618                     (cons 'Cc cc)
 619                     (cons 'Subject subject)
 620                     (cons 'Newsgroups newsgroups)
 621                     (cons 'Mail-Followup-To mail-followup-to)
 622                     (cons 'In-Reply-To in-reply-to)
 623                     (cons 'References references))
 624                    content-type content-transfer-encoding
 625                    (buffer-substring (point) (point-max))
 626                    'edit-again))
 627       (kill-buffer tmp-buf))
 628     ;; Set cursor point to the top.
 629     (goto-char (point-min))
 630     (search-forward (concat mail-header-separator "\n") nil t)
 631     (run-hooks 'wl-draft-reedit-hook)
 632     (and to (mail-position-on-field "To"))))
 633
 634 (defun wl-draft-insert-current-message (dummy)
 635   (interactive)
 636   (let (original-buffer
 637         mail-reply-buffer
 638         mail-citation-hook mail-yank-hooks
 639         wl-draft-add-references wl-draft-add-in-reply-to
 640         wl-draft-cite-function)
 641     (if (and wl-draft-buffer-cur-summary-buffer
 642              (with-current-buffer wl-draft-buffer-cur-summary-buffer
 643                (and wl-message-buffer
 644                     (with-current-buffer wl-message-buffer
 645                       (setq original-buffer (wl-message-get-original-buffer))
 646                       (not (zerop (with-current-buffer original-buffer
 647                                     (buffer-size))))))))
 648         (progn
 649           (setq mail-reply-buffer original-buffer)
 650           (wl-draft-yank-from-mail-reply-buffer
 651            nil
 652            wl-ignored-forwarded-headers))
 653       (when (string= (mime-make-tag "message" "rfc822")
 654                      (buffer-substring-no-properties (point-at-bol 0)(point-at-eol 0)))
 655         (delete-region (point-at-bol 0) (1+ (point-at-eol 0))))
 656       (error "No current message"))))
 657
 658 (defun wl-draft-insert-get-message (dummy)
 659   (let ((fld (completing-read
 660               "Folder name: "
 661               (if (memq 'read-folder wl-use-folder-petname)
 662                   (wl-folder-get-entity-with-petname)
 663                 wl-folder-entity-hashtb)
 664               nil nil wl-default-spec
 665               'wl-read-folder-history))
 666         (number (call-interactively
 667                  (function (lambda (num)
 668                              (interactive "nNumber: ")
 669                              num))))
 670         (mail-reply-buffer (get-buffer-create "*wl-draft-insert-get-message*"))
 671         mail-citation-hook mail-yank-hooks
 672         wl-draft-cite-function)
 673     (unwind-protect
 674         (progn
 675           (with-current-buffer mail-reply-buffer
 676             (erase-buffer)
 677             (elmo-message-fetch (wl-folder-get-elmo-folder fld)
 678                                 number
 679                                 ;; No cache.
 680                                 (elmo-make-fetch-strategy 'entire)))
 681           (wl-draft-yank-from-mail-reply-buffer nil))
 682       (kill-buffer mail-reply-buffer))))
 683
 684 ;;
 685 ;; default body citation func
 686 ;;
 687 (defun wl-default-draft-cite ()
 688   (let ((mail-yank-ignored-headers "[^:]+:")
 689         (mail-yank-prefix "> ")
 690         date from cite-title)
 691     (save-restriction
 692       (if (< (mark t) (point))
 693           (exchange-point-and-mark))
 694       (narrow-to-region (point)(point-max))
 695       (setq date (std11-field-body "date")
 696             from (std11-field-body "from")))
 697     (when (or date from)
 698       (insert (format "At %s,\n%s wrote:\n"
 699                       (or date "some time ago")
 700                       (if wl-default-draft-cite-decorate-author
 701                           (funcall wl-summary-from-function
 702                                    (or from "you"))
 703                         (or from "you")))))
 704     (mail-indent-citation)))
 705
 706 (defvar wl-draft-buffer nil "Draft buffer to yank content.")
 707 (defun wl-draft-yank-to-draft-buffer (buffer)
 708   "Yank BUFFER content to `wl-draft-buffer'."
 709   (set-buffer wl-draft-buffer)
 710   (let ((mail-reply-buffer buffer))
 711     (wl-draft-yank-from-mail-reply-buffer nil)
 712     (kill-buffer buffer)))
 713
 714 (defun wl-draft-yank-original (&optional arg)
 715   "Yank original message."
 716   (interactive "P")
 717   (if arg
 718       (let ((draft-buffer (current-buffer))
 719             mail-reply-buffer)
 720         (with-temp-buffer
 721           (insert "\n")
 722           (yank)
 723           (setq mail-reply-buffer (current-buffer))
 724           (with-current-buffer draft-buffer
 725             (wl-draft-yank-from-mail-reply-buffer nil))))
 726     (wl-draft-yank-current-message-entity)))
 727
 728 (defun wl-draft-hide (editing-buffer)
 729   "Hide the editing draft buffer if possible."
 730   (when (and editing-buffer
 731              (buffer-live-p editing-buffer)
 732              (get-buffer-window editing-buffer))
 733     (select-window (get-buffer-window editing-buffer))
 734     (let ((sum-buf wl-draft-buffer-cur-summary-buffer)
 735           fld-buf sum-win fld-win)
 736       (if (and wl-draft-use-frame
 737                (> (length (visible-frame-list)) 1))
 738           ;; hide draft frame
 739           (delete-frame)
 740         ;; hide draft window
 741         (or (one-window-p)
 742             (delete-window))
 743         ;; stay folder window if required
 744         (when wl-stay-folder-window
 745           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
 746               (if (setq fld-win (get-buffer-window fld-buf))
 747                   (select-window fld-win)
 748                 (if wl-draft-resume-folder-window ;; resume folder window
 749                     (switch-to-buffer fld-buf)))))
 750         (if (buffer-live-p sum-buf)
 751             (if (setq sum-win (get-buffer-window sum-buf t))
 752                 ;; if Summary is on the frame, select it.
 753                 (select-window sum-win)
 754               ;; if summary is not on the frame, switch to it.
 755               (if (and wl-stay-folder-window
 756                        (or wl-draft-resume-folder-window fld-win))
 757                   (wl-folder-select-buffer sum-buf)
 758                 (switch-to-buffer sum-buf))))))))
 759
 760 (defun wl-draft-delete (editing-buffer)
 761   "Kill the editing draft buffer and delete the file corresponds to it."
 762   (save-excursion
 763     (when editing-buffer
 764       (set-buffer editing-buffer)
 765       (when wl-draft-buffer-message-number
 766         (elmo-folder-delete-messages (wl-draft-get-folder)
 767                                      (list
 768                                       wl-draft-buffer-message-number))
 769         (wl-draft-config-info-operation wl-draft-buffer-message-number
 770                                         'delete))
 771       (set-buffer-modified-p nil)               ; force kill
 772       (kill-buffer editing-buffer))))
 773
 774 (defun wl-draft-kill (&optional force-kill)
 775   "Kill current draft buffer and quit editing."
 776   (interactive "P")
 777   (save-excursion
 778     (when (and (or (eq major-mode 'wl-draft-mode)
 779                    (eq major-mode 'mail-mode))
 780                (or force-kill
 781                    (yes-or-no-p "Kill Current Draft? ")))
 782       (let ((cur-buf (current-buffer)))
 783         (run-hooks 'wl-draft-kill-pre-hook)
 784         (wl-draft-hide cur-buf)
 785         (wl-draft-delete cur-buf)))
 786     (message "")))
 787
 788 (defun wl-draft-fcc ()
 789   "Add a new Fcc field, with file name completion."
 790   (interactive)
 791   (or (mail-position-on-field "fcc" t)  ;Put new field after exiting Fcc.
 792       (mail-position-on-field "to"))
 793   (insert "\nFcc: "))
 794
 795 ;; Imported from message.el.
 796 (defun wl-draft-elide-region (b e)
 797   "Elide the text in the region.
 798 An ellipsis (from `wl-draft-elide-ellipsis') will be inserted where the
 799 text was killed."
 800   (interactive "r")
 801   (kill-region b e)
 802   (insert wl-draft-elide-ellipsis))
 803
 804 ;; Imported from message.el.
 805 (defun wl-draft-beginning-of-line (&optional n)
 806   "Move point to beginning of header value or to beginning of line."
 807   (interactive "p")
 808   (let ((zrs 'zmacs-region-stays))
 809     (when (and (interactive-p) (boundp zrs))
 810       (set zrs t)))
 811   (if (wl-draft-point-in-header-p)
 812       (let* ((here (point))
 813              (bol (progn (beginning-of-line n) (point)))
 814              (eol (line-end-position))
 815              (eoh (and (looking-at "[^ \t]")
 816                        (re-search-forward ": *" eol t))))
 817         (if (and eoh (or (> here eoh) (= here bol)))
 818             (goto-char eoh)
 819           (goto-char bol)))
 820     (beginning-of-line n)))
 821
 822 (defun wl-draft-point-in-header-p ()
 823   "Return t if point is in the header."
 824   (save-excursion
 825     (let ((p (point)))
 826       (goto-char (point-min))
 827       (not (re-search-forward
 828             (concat "^" (regexp-quote mail-header-separator) "\n")
 829             p t)))))
 830
 831 ;; function for wl-sent-message-via
 832
 833 (defmacro wl-draft-sent-message-p (type)
 834   (` (eq (nth 1 (assq (, type) wl-sent-message-via)) 'sent)))
 835
 836 (defmacro wl-draft-set-sent-message (type result &optional server-port)
 837   (` (let ((element (assq (, type) wl-sent-message-via)))
 838        (if element
 839            (unless (eq (nth 1 element) (, result))
 840              (setcdr element (list (, result) (, server-port)))
 841              (setq wl-sent-message-modified t))
 842          (push (list (, type) (, result) (, server-port)) wl-sent-message-via)
 843          (setq wl-sent-message-modified t)))))
 844
 845 (defun wl-draft-sent-message-results ()
 846   (let ((results wl-sent-message-via)
 847         unplugged-via sent-via)
 848     (while results
 849       (cond ((eq (nth 1 (car results)) 'unplugged)
 850              (push (caar results) unplugged-via))
 851             ((eq (nth 1 (car results)) 'sent)
 852              (push (caar results) sent-via)))
 853       (setq results (cdr results)))
 854     (list unplugged-via sent-via)))
 855
 856 (defun wl-draft-write-sendlog (status proto server to id)
 857   "Write send log file, if `wl-draft-sendlog' is non-nil."
 858   (when wl-draft-sendlog
 859     (with-temp-buffer
 860       (let* ((filename (expand-file-name wl-draft-sendlog-filename
 861                                          elmo-msgdb-directory))
 862              (filesize (nth 7 (file-attributes filename)))
 863              (server (if server (concat " server=" server) ""))
 864              (to (if to (cond
 865                          ((memq proto '(fcc queue))
 866                           (format " folder=\"%s\"" to))
 867                          ((eq proto 'nntp)
 868                           (format " ng=<%s>" to))
 869                          (t
 870                           (concat " to="
 871                                   (mapconcat
 872                                    'identity
 873                                    (mapcar '(lambda(x) (format "<%s>" x)) to)
 874                                    ","))))
 875                    ""))
 876              (id (if id (concat " id=" id) ""))
 877              (time (format-time-string "%Y/%m/%d %T")))
 878         (insert (format "%s proto=%s stat=%s%s%s%s\n"
 879                         time proto status server to id))
 880         (if (and wl-draft-sendlog-max-size filesize
 881                  (> filesize wl-draft-sendlog-max-size))
 882             (rename-file filename (concat filename ".old") t))
 883         (if (file-writable-p filename)
 884             (write-region-as-binary (point-min) (point-max)
 885                                     filename t 'no-msg)
 886           (message "%s is not writable." filename))))))
 887
 888 (defun wl-draft-get-header-delimiter (&optional delete)
 889   ;; If DELETE is non-nil, replace the header delimiter with a blank line
 890   (let (delimline)
 891     (goto-char (point-min))
 892     (when (re-search-forward
 893            (concat "^" (regexp-quote mail-header-separator) "$\\|^$") nil t)
 894       (replace-match "")
 895       (if delete
 896           (forward-char -1))
 897       (setq delimline (point-marker)))
 898     delimline))
 899
 900 (defun wl-draft-send-mail-with-qmail ()
 901   "Pass the prepared message buffer to qmail-inject.
 902 Refer to the documentation for the variable `send-mail-function'
 903 to find out how to use this."
 904   (if (and wl-draft-qmail-send-plugged
 905            (not (elmo-plugged-p)))
 906       (wl-draft-set-sent-message 'mail 'unplugged)
 907     ;; send the message
 908     (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
 909     (let ((id (std11-field-body "Message-ID"))
 910           (to (std11-field-body "To")))
 911       (case
 912           (as-binary-process
 913            (apply
 914             'call-process-region 1 (point-max) wl-qmail-inject-program
 915             nil nil nil
 916             wl-qmail-inject-args))
 917         ;; qmail-inject doesn't say anything on it's stdout/stderr,
 918         ;; we have to look at the retval instead
 919         (0   (progn
 920                (wl-draft-set-sent-message 'mail 'sent)
 921                (wl-draft-write-sendlog 'ok 'qmail nil (list to) id)))
 922         (1   (error "`qmail-inject' reported permanent failure"))
 923         (111 (error "`qmail-inject' reported transient failure"))
 924         ;; should never happen
 925         (t   (error "`qmail-inject' reported unknown failure"))))))
 926
 927 (defun wl-draft-parse-msg-id-list-string (string)
 928   "Get msg-id list from STRING."
 929   (let (msg-id-list)
 930     (dolist (parsed-id (std11-parse-msg-ids-string string))
 931       (when (eq (car parsed-id) 'msg-id)
 932         (setq msg-id-list (cons (std11-msg-id-string parsed-id)
 933                                 msg-id-list))))
 934     (nreverse msg-id-list)))
 935
 936 (defun wl-draft-eword-encode-address-list (string &optional column)
 937   "Encode header field STRING as list of address, and return the result.
 938 Cause an error when STRING contains invalid address.
 939 Optional argument COLUMN is start-position of the field."
 940   (car (eword-encode-rword-list
 941         (or column eword-encode-default-start-column)
 942         (eword-encode-addresses-to-rword-list
 943          (wl-draft-std11-parse-addresses (std11-lexical-analyze string))))))
 944
 945 (defun wl-draft-std11-parse-addresses (lal)
 946   (let ((ret (std11-parse-address lal)))
 947     (when (and (not (and (eq (length lal) 1)
 948                          (eq (car (car lal)) 'spaces)))
 949                (null ret))
 950       (error "Error while parsing address"))
 951     (if ret
 952         (let ((dest (list (car ret))))
 953           (setq lal (cdr ret))
 954           (while (and (setq ret (std11-parse-ascii-token lal))
 955                       (string-equal (cdr (assq 'specials (car ret))) ",")
 956                       (setq ret (std11-parse-address (cdr ret)))
 957                       )
 958             (setq dest (cons (car ret) dest))
 959             (setq lal (cdr ret)))
 960           (while (eq 'spaces (car (car lal)))
 961             (setq lal (cdr lal)))
 962           (if lal (error "Error while parsing address"))
 963           (nreverse dest)))))
 964
 965 (defun wl-draft-parse-mailbox-list (field &optional remove-group-list)
 966   "Get mailbox list of FIELD from current buffer.
 967 The buffer is expected to be narrowed to just the headers of the message.
 968 If optional argument REMOVE-GROUP-LIST is non-nil, remove group list content
 969 from current buffer."
 970   (save-excursion
 971     (let ((case-fold-search t)
 972           (inhibit-read-only t)
 973           addresses address
 974           mailbox-list beg seq has-group-list)
 975       (goto-char (point-min))
 976       (while (re-search-forward (concat "^" (regexp-quote field) "[\t ]*:")
 977                                 nil t)
 978         (setq beg (point))
 979         (re-search-forward "^[^ \t]" nil 'move)
 980         (beginning-of-line)
 981         (skip-chars-backward "\n")
 982         (setq seq (std11-lexical-analyze
 983                    (buffer-substring-no-properties beg (point))))
 984         (setq addresses (wl-draft-std11-parse-addresses seq))
 985         (while addresses
 986           (cond ((eq (car (car addresses)) 'group)
 987                  (setq has-group-list t)
 988                  (setq mailbox-list
 989                        (nconc mailbox-list
 990                               (mapcar
 991                                'std11-address-string
 992                                (nth 2 (car addresses))))))
 993                 ((eq (car (car addresses)) 'mailbox)
 994                  (setq address (nth 1 (car addresses)))
 995                  (setq mailbox-list
 996                        (nconc mailbox-list
 997                               (list
 998                                (std11-addr-to-string
 999                                 (if (eq (car address) 'phrase-route-addr)
1000                                     (nth 2 address)
1001                                   (cdr address))))))))
1002           (setq addresses (cdr addresses)))
1003         (when (and remove-group-list has-group-list)
1004           (delete-region beg (point))
1005           (insert (wl-address-string-without-group-list-contents seq))))
1006       mailbox-list)))
1007
1008 (defun wl-draft-deduce-address-list (buffer header-start header-end)
1009   "Get address list suitable for smtp RCPT TO:<address>.
1010 Group list content is removed if `wl-draft-remove-group-list-contents' is
1011 non-nil."
1012   (let ((fields (if (and wl-draft-doing-mime-bcc
1013                          wl-draft-disable-bcc-for-mime-bcc)
1014                     '("to" "cc")
1015                   '("to" "cc" "bcc")))
1016         (resent-fields '("resent-to" "resent-cc" "resent-bcc"))
1017         (case-fold-search t)
1018         addrs recipients)
1019     (save-excursion
1020       (save-restriction
1021         (narrow-to-region header-start header-end)
1022         (goto-char (point-min))
1023         (save-excursion
1024           (if (re-search-forward "^resent-to[\t ]*:" nil t)
1025               (setq fields resent-fields)))
1026         (while fields
1027           (setq recipients
1028                 (nconc recipients
1029                        (wl-draft-parse-mailbox-list
1030                         (car fields)
1031                         wl-draft-remove-group-list-contents)))
1032           (setq fields (cdr fields)))
1033         recipients))))
1034
1035 ;;
1036 ;; from Semi-gnus
1037 ;;
1038 (defun wl-draft-send-mail-with-smtp ()
1039   "Send the prepared message buffer with SMTP."
1040   (require 'smtp)
1041   (let* ((errbuf (if mail-interactive
1042                      (generate-new-buffer " smtp errors")
1043                    0))
1044          (case-fold-search t)
1045          (default-case-fold-search t)
1046          (sender (or wl-envelope-from
1047                      (wl-address-header-extract-address wl-from)))
1048          (delimline (save-excursion
1049                       (goto-char (point-min))
1050                       (re-search-forward
1051                        (concat "^" (regexp-quote mail-header-separator)
1052                                "$\\|^$") nil t)
1053                       (point-marker)))
1054          (smtp-server
1055           (or wl-smtp-posting-server smtp-server "localhost"))
1056          (smtp-service (or wl-smtp-posting-port smtp-service))
1057          (smtp-local-domain (or smtp-local-domain wl-local-domain))
1058          (id (std11-field-body "message-id"))
1059          recipients)
1060     (if (not (elmo-plugged-p smtp-server smtp-service))
1061         (wl-draft-set-sent-message 'mail 'unplugged
1062                                    (cons smtp-server smtp-service))
1063       (unwind-protect
1064           (save-excursion
1065             ;; Instead of `smtp-deduce-address-list'.
1066             (setq recipients (wl-draft-deduce-address-list
1067                               (current-buffer) (point-min) delimline))
1068             (unless recipients (error "No recipients"))
1069             ;; Insert an extra newline if we need it to work around
1070             ;; Sun's bug that swallows newlines.
1071             (goto-char (1+ delimline))
1072             (if (eval mail-mailer-swallows-blank-line)
1073                 (newline))
1074             (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1075             (if mail-interactive
1076                 (save-excursion
1077                   (set-buffer errbuf)
1078                   (erase-buffer)))
1079             (wl-draft-delete-field "bcc" delimline)
1080             (wl-draft-delete-field "resent-bcc" delimline)
1081             (let (process-connection-type)
1082               (as-binary-process
1083                (when recipients
1084                  (wl-smtp-extension-bind
1085                   (condition-case err
1086                       (smtp-send-buffer sender recipients (current-buffer))
1087                     (error
1088                      (wl-draft-write-sendlog 'failed 'smtp smtp-server
1089                                              recipients id)
1090                      (if (and (eq (car err) 'smtp-response-error)
1091                               (= (nth 1 err) 535))
1092                          (elmo-remove-passwd
1093                           (wl-smtp-password-key
1094                            smtp-sasl-user-name
1095                            (car smtp-sasl-mechanisms)
1096                            smtp-server)))
1097                      (signal (car err) (cdr err)))
1098                     (quit
1099                      (wl-draft-write-sendlog 'uncertain 'smtp smtp-server
1100                                              recipients id)
1101                      (signal (car err) (cdr err)))))
1102                  (wl-draft-set-sent-message 'mail 'sent)
1103                  (wl-draft-write-sendlog
1104                   'ok 'smtp smtp-server recipients id)))))
1105         (if (bufferp errbuf)
1106             (kill-buffer errbuf))))))
1107
1108 (defun wl-draft-send-mail-with-pop-before-smtp ()
1109   "Send the prepared message buffer with POP-before-SMTP."
1110   (require 'elmo-pop3)
1111   (let ((folder
1112          (luna-make-entity
1113           'elmo-pop3-folder
1114           :user   (or wl-pop-before-smtp-user
1115                       elmo-pop3-default-user)
1116           :server (or wl-pop-before-smtp-server
1117                       elmo-pop3-default-server)
1118           :port   (or wl-pop-before-smtp-port
1119                       elmo-pop3-default-port)
1120           :auth   (or wl-pop-before-smtp-authenticate-type
1121                       elmo-pop3-default-authenticate-type)
1122           :stream-type (elmo-get-network-stream-type
1123                         (or wl-pop-before-smtp-stream-type
1124                             elmo-pop3-default-stream-type))))
1125         session)
1126     (condition-case error
1127         (progn
1128           (setq session (elmo-pop3-get-session folder))
1129           (when session (elmo-network-close-session session)))
1130       (error
1131        (unless (string= (nth 1 error) "Unplugged")
1132          (signal (car error) (cdr error))))))
1133   (wl-draft-send-mail-with-smtp))
1134
1135 (defun wl-draft-insert-required-fields (&optional force-msgid)
1136   "Insert Message-ID, Date, and From field.
1137 If FORCE-MSGID, insert message-id regardless of `wl-insert-message-id'."
1138   ;; Insert Message-Id field...
1139   (goto-char (point-min))
1140   (when (and (or force-msgid
1141                  wl-insert-message-id)
1142              (not (re-search-forward "^Message-ID[ \t]*:" nil t)))
1143     (insert (concat "Message-ID: "
1144                     (funcall wl-message-id-function)
1145                     "\n")))
1146   ;; Insert date field.
1147   (goto-char (point-min))
1148   (or (re-search-forward "^Date[ \t]*:" nil t)
1149       (wl-draft-insert-date-field))
1150   ;; Insert from field.
1151   (goto-char (point-min))
1152   (or (re-search-forward "^From[ \t]*:" nil t)
1153       (wl-draft-insert-from-field)))
1154
1155 (defun wl-draft-normal-send-func (editing-buffer kill-when-done)
1156   "Send the message in the current buffer."
1157   (save-restriction
1158     (narrow-to-region (goto-char (point-min))
1159                       (if (re-search-forward
1160                            (concat
1161                             "^" (regexp-quote mail-header-separator) "$")
1162                            nil t)
1163                           (match-beginning 0)
1164                         (point-max)))
1165     (wl-draft-insert-required-fields)
1166     ;; ignore any blank lines in the header
1167     (while (progn (goto-char (point-min))
1168                   (re-search-forward "\n[ \t]*\n\n*" nil t))
1169       (replace-match "\n"))
1170     (goto-char (point-min))
1171     (while (re-search-forward
1172             "^[^ \t\n:]+:[ \t]*\\(.*\\(\n[ \t].*\\)*\\)\n"
1173             nil t)
1174       (when (string= "" (match-string 1))
1175         (replace-match ""))))
1176 ;;;  (run-hooks 'wl-mail-send-pre-hook) ;; X-PGP-Sig, Cancel-Lock
1177   (wl-draft-dispatch-message)
1178   (when kill-when-done
1179     ;; hide editing-buffer.
1180     (wl-draft-hide editing-buffer)
1181     ;; delete editing-buffer and its file.
1182     (wl-draft-delete editing-buffer)))
1183
1184 (defun wl-draft-dispatch-message (&optional mes-string)
1185   "Send the message in the current buffer.  Not modified the header fields."
1186   (let (delimline mime-bcc)
1187     (if (and wl-draft-verbose-send mes-string)
1188         (message "%s" mes-string))
1189     ;; get fcc folders.
1190     (setq delimline (wl-draft-get-header-delimiter t))
1191     (unless wl-draft-fcc-list
1192       (setq wl-draft-fcc-list (wl-draft-get-fcc-list delimline)))
1193     ;;
1194     (setq wl-sent-message-modified nil)
1195     (unwind-protect
1196         (progn
1197           (if (and (wl-message-mail-p)
1198                    (not (wl-draft-sent-message-p 'mail)))
1199               (if (or (not (or wl-draft-force-queuing
1200                                wl-draft-force-queuing-mail))
1201                       (memq 'mail wl-sent-message-queued))
1202                   (progn
1203                     (setq mime-bcc (wl-draft-mime-bcc-field))
1204                     (funcall wl-draft-send-mail-function)
1205                     (when (not (zerop (length mime-bcc)))
1206                       (wl-draft-do-mime-bcc mime-bcc)))
1207                 (push 'mail wl-sent-message-queued)
1208                 (wl-draft-set-sent-message 'mail 'unplugged)))
1209           (if (and (wl-message-news-p)
1210                    (not (wl-draft-sent-message-p 'news))
1211                    (not (wl-message-field-exists-p "Resent-to")))
1212               (if (or (not (or wl-draft-force-queuing
1213                                wl-draft-force-queuing-news))
1214                       (memq 'news wl-sent-message-queued))
1215                   (funcall wl-draft-send-news-function)
1216                 (push 'news wl-sent-message-queued)
1217                 (wl-draft-set-sent-message 'news 'unplugged))))
1218       (let* ((status (wl-draft-sent-message-results))
1219              (unplugged-via (car status))
1220              (sent-via (nth 1 status)))
1221         ;; If one sent, process fcc folder.
1222         (if (and sent-via wl-draft-fcc-list)
1223             (progn
1224               (wl-draft-do-fcc (wl-draft-get-header-delimiter)
1225                                wl-draft-fcc-list)
1226               (setq wl-draft-fcc-list nil)))
1227         (if wl-draft-use-cache
1228             (let ((id (std11-field-body "Message-ID"))
1229                   (elmo-enable-disconnected-operation t))
1230               (elmo-file-cache-save (elmo-file-cache-get-path id)
1231                                     nil)))
1232         ;; If one unplugged, append queue.
1233         (when (and unplugged-via
1234                    wl-sent-message-modified)
1235           (if wl-draft-enable-queuing
1236               (progn
1237                 (wl-draft-queue-append wl-sent-message-via)
1238                 (setq wl-sent-message-modified 'requeue))
1239             (error "Unplugged")))
1240         (when wl-draft-verbose-send
1241           (if (and unplugged-via sent-via);; combined message
1242               (progn
1243                 (setq wl-draft-verbose-msg
1244                       (format "Sending%s and Queuing%s..."
1245                               sent-via unplugged-via))
1246                 (message "%sdone" wl-draft-verbose-msg))
1247             (if mes-string
1248                 (message "%s%s"
1249                          mes-string
1250                          (if sent-via "done" "failed"))))))))
1251   (not wl-sent-message-modified)) ;; return value
1252
1253 (defun wl-draft-raw-send (&optional kill-when-done force-pre-hook mes-string)
1254   "Force send current buffer as raw message."
1255   (interactive)
1256   (save-excursion
1257     (let (wl-interactive-send
1258 ;;;       wl-draft-verbose-send
1259           (wl-mail-send-pre-hook (and force-pre-hook wl-mail-send-pre-hook))
1260           (wl-news-send-pre-hook (and force-pre-hook wl-news-send-pre-hook))
1261           mail-send-hook
1262           mail-send-actions)
1263       (wl-draft-send kill-when-done mes-string))))
1264
1265 (defun wl-draft-clone-local-variables ()
1266   (let ((locals (buffer-local-variables))
1267         result)
1268     (while locals
1269       (when (and (consp (car locals))
1270                  (car (car locals))
1271                  (string-match wl-draft-clone-local-variable-regexp
1272                                (symbol-name (car (car locals)))))
1273         (wl-append result (list (car (car locals)))))
1274       (setq locals (cdr locals)))
1275     result))
1276
1277 (defcustom wl-draft-send-confirm-with-preview t
1278   "Non-nil to invoke preview through confirmation of sending.
1279 This variable is valid when `wl-interactive-send' has non-nil value."
1280   :type 'boolean
1281   :group 'wl-draft)
1282
1283 (defun wl-draft-send-confirm ()
1284   (let (answer)
1285     (unwind-protect
1286         (condition-case quit
1287             (progn
1288               (when wl-draft-send-confirm-with-preview
1289                 (wl-draft-preview-message))
1290               (save-excursion
1291                 (goto-char (point-min)) ; to show recipients in header
1292                 (catch 'done
1293                   (while t
1294                     (discard-input)
1295                     (message "Send current draft? <y/n/j(down)/k(up)> ")
1296                     (setq answer (let ((cursor-in-echo-area t)) (read-char)))
1297                     (cond
1298                      ((or (eq answer ?y)
1299                           (eq answer ?Y)
1300                           (eq answer ? ))
1301                   (throw 'done t))
1302                      ((or (eq answer ?v)
1303                           (eq answer ?j)
1304                           (eq answer ?J))
1305                       (condition-case err
1306                           (scroll-up)
1307                         (error nil)))
1308                      ((or (eq answer ?^)
1309                           (eq answer ?k)
1310                           (eq answer ?K))
1311                       (condition-case err
1312                           (scroll-down)
1313                         (error nil)))
1314                      (t
1315                       (throw 'done nil)))))))
1316           (quit nil))
1317       (when (and wl-draft-send-confirm-with-preview
1318                  (eq major-mode 'mime-view-mode))
1319         (wl-mime-quit-preview)))))
1320
1321 (defun wl-draft-send (&optional kill-when-done mes-string)
1322   "Send current draft message.
1323 If KILL-WHEN-DONE is non-nil, current draft buffer is killed"
1324   (interactive)
1325   ;; Don't call this explicitly.
1326   ;; Added to 'wl-draft-send-hook (by teranisi)
1327   ;; (wl-draft-config-exec)
1328   (run-hooks 'wl-draft-send-hook)
1329   (when (or (not wl-interactive-send)
1330             (wl-draft-send-confirm))
1331     (let ((send-mail-function 'wl-draft-raw-send)
1332           (editing-buffer (current-buffer))
1333           (sending-buffer (wl-draft-generate-clone-buffer
1334                            " *wl-draft-sending-buffer*"
1335                            (append wl-draft-config-variables
1336                                    (wl-draft-clone-local-variables))))
1337           (parent-flag wl-draft-parent-flag)
1338           (parent-number wl-draft-parent-number)
1339           (parent-folder wl-draft-parent-folder)
1340           (wl-draft-verbose-msg nil)
1341           err)
1342       (unwind-protect
1343           (save-excursion
1344             (set-buffer sending-buffer)
1345             (if (and (not (wl-message-mail-p))
1346                      (not (wl-message-news-p)))
1347                 (error "No recipient is specified"))
1348             (expand-abbrev)             ; for mail-abbrevs
1349             (let ((mime-header-encode-method-alist
1350                    (append
1351                     '((wl-draft-eword-encode-address-list
1352                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1353                     (if (boundp 'mime-header-encode-method-alist)
1354                         (symbol-value 'mime-header-encode-method-alist)))))
1355               (run-hooks 'mail-send-hook) ; translate buffer
1356               )
1357             ;;
1358             (if wl-draft-verbose-send
1359                 (message "%s" (or mes-string "Sending...")))
1360             ;; Set flag before send-function because
1361             ;; there's no need to change current mailbox at this time.
1362             ;; If flag is set after send-function, the current mailbox
1363             ;; might changed by Fcc.
1364             ;; It causes a huge loss in the IMAP folder.
1365             (when (and parent-flag parent-number
1366                        (not (eq (length parent-folder) 0)))
1367               (wl-folder-set-persistent-mark
1368                parent-folder parent-number parent-flag))
1369             (funcall wl-draft-send-function editing-buffer kill-when-done)
1370             ;; Now perform actions on successful sending.
1371             (while mail-send-actions
1372               (condition-case ()
1373                   (apply (car (car mail-send-actions))
1374                          (cdr (car mail-send-actions)))
1375                 (error))
1376               (setq mail-send-actions (cdr mail-send-actions)))
1377             (if wl-draft-verbose-send
1378                 (message "%sdone"
1379                          (or wl-draft-verbose-msg
1380                              mes-string
1381                              "Sending..."))))
1382         ;; kill sending buffer, anyway.
1383         (and (buffer-live-p sending-buffer)
1384              (kill-buffer sending-buffer))))))
1385
1386 (defun wl-draft-mime-bcc-field ()
1387   "Return the MIME-Bcc field body.  The field is deleted."
1388   (prog1 (std11-field-body wl-draft-mime-bcc-field-name)
1389     (wl-draft-delete-field wl-draft-mime-bcc-field-name)))
1390
1391 (defun wl-draft-do-mime-bcc (field-body)
1392   "Send MIME-Bcc (Encapsulated blind carbon copy)."
1393   (let ((orig-from (mime-decode-field-body (std11-field-body "from")
1394                                            'From))
1395         (orig-subj (mime-decode-field-body (or (std11-field-body "subject")
1396                                                "")
1397                                            'Subject))
1398         (recipients (wl-parse-addresses field-body))
1399         (draft-buffer (current-buffer))
1400         wl-draft-use-frame)
1401     (save-window-excursion
1402       (when (and (not wl-draft-doing-mime-bcc) ; To avoid infinite loop.
1403                  (not (zerop (length field-body))))
1404         (let ((wl-draft-doing-mime-bcc t))
1405           (dolist (recipient recipients)
1406             (wl-draft-create-buffer)
1407             (wl-draft-create-contents
1408              (append `((From . ,orig-from)
1409                        (To . ,recipient)
1410                        (Subject . ,(concat "A blind carbon copy ("
1411                                            orig-subj
1412                                            ")")))
1413                      (wl-draft-default-headers)))
1414             (wl-draft-insert-mail-header-separator)
1415             (wl-draft-prepare-edit)
1416             (goto-char (point-max))
1417             (insert (or wl-draft-mime-bcc-body
1418                         "This is a blind carbon copy.")
1419                     "\n")
1420             (mime-edit-insert-tag "message" "rfc822")
1421             (insert-buffer draft-buffer)
1422             (let (wl-interactive-send)
1423               (wl-draft-send 'kill-when-done))))))))
1424
1425 (defun wl-draft-save ()
1426   "Save current draft."
1427   (interactive)
1428   (if (buffer-modified-p)
1429       (progn
1430         (message "Saving...")
1431         (let ((msg (buffer-substring-no-properties (point-min) (point-max)))
1432               next-number)
1433           (when wl-draft-buffer-message-number
1434             (elmo-folder-delete-messages (wl-draft-get-folder)
1435                                          (list wl-draft-buffer-message-number))
1436             (wl-draft-config-info-operation wl-draft-buffer-message-number
1437                                             'delete))
1438           (elmo-folder-check (wl-draft-get-folder))
1439           ;; If no header separator, insert it.
1440           (with-temp-buffer
1441             (insert msg)
1442             (goto-char (point-min))
1443             (unless (re-search-forward
1444                      (concat "^" (regexp-quote mail-header-separator) "$")
1445                      nil t)
1446               (goto-char (point-min))
1447               (if (re-search-forward "\n\n" nil t)
1448                   (replace-match (concat "\n" mail-header-separator "\n"))
1449                 (goto-char (point-max))
1450                 (insert (if (eq (char-before) ?\n) "" "\n")
1451                         mail-header-separator "\n")))
1452             (let ((mime-header-encode-method-alist
1453                    (append
1454                     '((eword-encode-unstructured-field-body
1455                        .  (To Cc Bcc Resent-To Resent-Cc Resent-Bcc From)))
1456                     (if (boundp 'mime-header-encode-method-alist)
1457                         (symbol-value 'mime-header-encode-method-alist)))))
1458               (mime-edit-translate-buffer))
1459             (wl-draft-get-header-delimiter t)
1460             (setq next-number
1461                   (elmo-folder-next-message-number (wl-draft-get-folder)))
1462             (elmo-folder-append-buffer (wl-draft-get-folder)))
1463           (elmo-folder-check (wl-draft-get-folder))
1464           (elmo-folder-commit (wl-draft-get-folder))
1465           (setq wl-draft-buffer-message-number next-number)
1466           (rename-buffer (format "%s/%d" wl-draft-folder next-number))
1467           (setq buffer-file-name (buffer-name))
1468           (set-buffer-modified-p nil)
1469           (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)
1470           (message "Saving...done")))
1471     (message "(No changes need to be saved)")))
1472
1473 (defun wl-draft-mimic-kill-buffer ()
1474   "Kill the current (draft) buffer with query."
1475   (interactive)
1476   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
1477                                       (buffer-name))))
1478         wl-draft-use-frame)
1479     (if (or (not bufname)
1480             (string-equal bufname "")
1481             (string-equal bufname (buffer-name)))
1482         (let ((bufname (current-buffer)))
1483           (when (or (not (buffer-modified-p))
1484                     (yes-or-no-p
1485                      (format "Buffer %s modified; kill anyway? " bufname)))
1486             (set-buffer-modified-p nil)
1487             (wl-draft-hide bufname)
1488             (kill-buffer bufname)))
1489       (kill-buffer bufname))))
1490
1491 (defun wl-draft-save-and-exit ()
1492   "Save current draft and exit current draft mode."
1493   (interactive)
1494   (wl-draft-save)
1495   (let ((editing-buffer (current-buffer)))
1496     (wl-draft-hide editing-buffer)
1497     (kill-buffer editing-buffer)))
1498
1499 (defun wl-draft-send-and-exit ()
1500   "Send current draft message and kill it."
1501   (interactive)
1502   (wl-draft-send t))
1503
1504 (defun wl-draft-send-from-toolbar ()
1505   (interactive)
1506   (let ((wl-interactive-send t))
1507     (wl-draft-send-and-exit)))
1508
1509 (defun wl-draft-delete-field (field &optional delimline replace)
1510   (wl-draft-delete-fields (regexp-quote field) delimline replace))
1511
1512 (defun wl-draft-delete-fields (field &optional delimline replace)
1513   (save-restriction
1514     (unless delimline
1515       (goto-char (point-min))
1516       (if (search-forward "\n\n" nil t)
1517           (setq delimline (point))
1518         (setq delimline (point-max))))
1519     (narrow-to-region (point-min) delimline)
1520     (goto-char (point-min))
1521     (let ((regexp (concat "^" field ":"))
1522           (case-fold-search t))
1523       (while (not (eobp))
1524         (if (looking-at regexp)
1525             (progn
1526               (delete-region
1527                (point)
1528                (progn
1529                  (forward-line 1)
1530                  (if (re-search-forward "^[^ \t]" nil t)
1531                      (goto-char (match-beginning 0))
1532                    (point-max))))
1533               (if replace
1534                   (insert (concat field ": " replace "\n"))))
1535           (forward-line 1)
1536           (if (re-search-forward "^[^ \t]" nil t)
1537               (goto-char (match-beginning 0))
1538             (point-max)))))))
1539
1540 (defun wl-draft-get-fcc-list (header-end)
1541   (if (and wl-draft-doing-mime-bcc
1542            wl-draft-disable-fcc-for-mime-bcc)
1543       (progn
1544         (wl-draft-delete-field "fcc")
1545         nil)
1546     (let (fcc-list
1547           (case-fold-search t))
1548       (or (markerp header-end) (error "HEADER-END must be a marker"))
1549       (save-excursion
1550         (goto-char (point-min))
1551         (while (re-search-forward "^Fcc:[ \t]*" header-end t)
1552           (save-match-data
1553             (setq fcc-list
1554                   (append fcc-list
1555                           (split-string
1556                            (buffer-substring-no-properties
1557                             (point)
1558                             (progn
1559                               (end-of-line)
1560                               (skip-chars-backward " \t")
1561                               (point)))
1562                            ",[ \t]*")))
1563             (dolist (folder fcc-list)
1564               (wl-folder-confirm-existence
1565                (wl-folder-get-elmo-folder (eword-decode-string folder)))))
1566           (delete-region (match-beginning 0)
1567                          (progn (forward-line 1) (point)))))
1568       fcc-list)))
1569
1570 (defcustom wl-draft-fcc-append-read-folder-history t
1571   "Non-nil to append fcc'ed folder to `wl-read-folder-history'."
1572   :type 'boolean
1573   :group 'wl-draft)
1574
1575 (defun wl-draft-do-fcc (header-end &optional fcc-list)
1576   (let ((send-mail-buffer (current-buffer))
1577         (tembuf (generate-new-buffer " fcc output"))
1578         (case-fold-search t)
1579         beg end)
1580     (or (markerp header-end) (error "HEADER-END must be a marker"))
1581     (save-excursion
1582       (unless fcc-list
1583         (setq fcc-list (wl-draft-get-fcc-list header-end)))
1584       (set-buffer tembuf)
1585       (erase-buffer)
1586       ;; insert just the headers to avoid moving the gap more than
1587       ;; necessary (the message body could be arbitrarily huge.)
1588       (insert-buffer-substring send-mail-buffer 1 header-end)
1589       (wl-draft-insert-required-fields t)
1590       (goto-char (point-max))
1591       (insert-buffer-substring send-mail-buffer header-end)
1592       (let ((id (std11-field-body "Message-ID"))
1593             (elmo-enable-disconnected-operation t))
1594         (while fcc-list
1595           (if (elmo-folder-append-buffer
1596                (wl-folder-get-elmo-folder
1597                 (eword-decode-string (car fcc-list)))
1598                (and wl-fcc-force-as-read '(read)))
1599               (wl-draft-write-sendlog 'ok 'fcc nil (car fcc-list) id)
1600             (wl-draft-write-sendlog 'failed 'fcc nil (car fcc-list) id))
1601           (if (and wl-draft-fcc-append-read-folder-history
1602                    (boundp 'wl-read-folder-history))
1603               (or (equal (car fcc-list) (car wl-read-folder-history))
1604                   (setq wl-read-folder-history
1605                         (append (list (car fcc-list)) wl-read-folder-history))))
1606           (setq fcc-list (cdr fcc-list)))))
1607     (kill-buffer tembuf)))
1608
1609 (defun wl-draft-on-field-p ()
1610   (if (< (point)
1611          (save-excursion
1612            (goto-char (point-min))
1613            (search-forward (concat "\n" mail-header-separator "\n") nil 0)
1614            (point)))
1615       (if (bolp)
1616           (if (bobp)
1617               t
1618             (save-excursion
1619               (forward-line -1)
1620               (if (or (looking-at ".*,[ \t]?$")
1621                       (looking-at "^[^ \t]+:[ \t]+.*:$")); group list name
1622                   nil t)))
1623         (let ((pos (point)))
1624           (save-excursion
1625             (beginning-of-line)
1626             (if (looking-at "^[ \t]")
1627                 nil
1628               (if (re-search-forward ":" pos t) nil t)))))))
1629
1630 ;;;;;;;;;;;;;;;;
1631 ;;;###autoload
1632 (defun wl-draft (&optional header-alist
1633                            content-type content-transfer-encoding
1634                            body edit-again
1635                            parent-folder
1636                            parent-number)
1637   "Write and send mail/news message with Wanderlust."
1638   (interactive)
1639   (require 'wl)
1640   (unless wl-init
1641     (wl-load-profile)
1642     (wl-folder-init)
1643     (elmo-init)
1644     (wl-plugged-init t))
1645   (let (wl-demo)
1646     (wl-init)) ; returns immediately if already initialized.
1647
1648   (wl-set-save-drafts)
1649   (let (buffer header-alist-internal)
1650     (setq buffer (wl-draft-create-buffer parent-folder parent-number))
1651     (unless (cdr (assq 'From header-alist))
1652       (setq header-alist
1653             (append (list (cons 'From wl-from)) header-alist)))
1654     (unless (cdr (assq 'To header-alist))
1655       (let ((to))
1656         (when (setq to (and
1657                         (interactive-p)
1658                         ""))
1659           (if (assq 'To header-alist)
1660               (setcdr (assq 'To header-alist) to)
1661             (setq header-alist
1662                   (append header-alist
1663                           (list (cons 'To to))))))))
1664     (unless (cdr (assq 'Subject header-alist))
1665       (if (assq 'Subject header-alist)
1666           (setcdr (assq 'Subject header-alist) "")
1667         (setq header-alist
1668               (append header-alist (list (cons 'Subject ""))))))
1669     (setq header-alist (append header-alist
1670                                (wl-draft-default-headers)
1671                                wl-draft-additional-header-alist
1672                                (if body (list "" (cons 'Body body)))))
1673     (wl-draft-create-contents header-alist)
1674     (if edit-again
1675         (wl-draft-decode-body
1676          content-type content-transfer-encoding))
1677     (wl-draft-insert-mail-header-separator)
1678     (wl-draft-prepare-edit)
1679     (if (interactive-p)
1680         (run-hooks 'wl-mail-setup-hook))
1681     (goto-char (point-min))
1682     (setq buffer-undo-list nil)
1683     (wl-user-agent-compose-internal) ;; user-agent
1684     (cond ((and
1685             (interactive-p)
1686             (string= (cdr (assq 'To header-alist)) ""))
1687            (mail-position-on-field "To"))
1688           (t
1689            (goto-char (point-max))))
1690     buffer))
1691
1692 (defun wl-draft-create-buffer (&optional parent-folder parent-number)
1693   (let* ((draft-folder (wl-draft-get-folder))
1694          (parent-folder (or parent-folder (wl-summary-buffer-folder-name)))
1695          (summary-buf (wl-summary-get-buffer parent-folder))
1696          (reply-or-forward
1697           (or (eq this-command 'wl-summary-reply)
1698               (eq this-command 'wl-summary-reply-with-citation)
1699               (eq this-command 'wl-summary-forward)
1700               (eq this-command 'wl-summary-target-mark-forward)
1701               (eq this-command 'wl-summary-target-mark-reply-with-citation)))
1702          (buffer (generate-new-buffer "*draft*"))) ; Just for initial name.
1703     (set-buffer buffer)
1704     ;; switch-buffer according to draft buffer style.
1705     (if wl-draft-use-frame
1706         (switch-to-buffer-other-frame buffer)
1707       (if reply-or-forward
1708           (case wl-draft-reply-buffer-style
1709             (split
1710              (split-window-vertically)
1711              (other-window 1)
1712              (switch-to-buffer buffer))
1713             (keep
1714              (switch-to-buffer buffer))
1715             (full
1716              (delete-other-windows)
1717              (switch-to-buffer buffer))
1718             (t
1719              (if (functionp wl-draft-reply-buffer-style)
1720                  (funcall wl-draft-reply-buffer-style buffer)
1721                (error "Invalid value for wl-draft-reply-buffer-style"))))
1722         (case wl-draft-buffer-style
1723           (split
1724            (when (eq major-mode 'wl-summary-mode)
1725              (wl-summary-toggle-disp-msg 'off))
1726            (split-window-vertically)
1727            (other-window 1)
1728            (switch-to-buffer buffer))
1729           (keep
1730            (switch-to-buffer buffer))
1731           (full
1732            (delete-other-windows)
1733            (switch-to-buffer buffer))
1734           (t (if (functionp wl-draft-buffer-style)
1735                  (funcall wl-draft-buffer-style buffer)
1736                (error "Invalid value for wl-draft-buffer-style"))))))
1737     (auto-save-mode -1)
1738     (let (change-major-mode-hook)
1739       (wl-draft-mode))
1740     (set-buffer-multibyte t)            ; draft buffer is always multibyte.
1741     (make-local-variable 'truncate-partial-width-windows)
1742     (setq truncate-partial-width-windows nil)
1743     (setq truncate-lines wl-draft-truncate-lines)
1744     (setq wl-sent-message-via nil)
1745     (setq wl-sent-message-queued nil)
1746     (setq wl-draft-config-exec-flag t)
1747     (setq wl-draft-parent-folder (or parent-folder ""))
1748     (setq wl-draft-parent-number parent-number)
1749     (or (eq this-command 'wl-folder-write-current-folder)
1750         (setq wl-draft-buffer-cur-summary-buffer summary-buf))
1751     buffer))
1752
1753 (defun wl-draft-create-contents (header-alist)
1754   "header-alist' sample
1755 '(function  ;; funcall
1756   string    ;; insert string
1757   (symbol . string)    ;;  insert symbol-value: string
1758   (symbol . function)  ;;  (funcall) and if it returns string,
1759                        ;;  insert symbol-value: string
1760   (symbol . nil)       ;;  do nothing
1761   nil                  ;;  do nothing
1762   )"
1763   (unless (eq major-mode 'wl-draft-mode)
1764     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1765   (let ((halist header-alist)
1766         field value)
1767     (while halist
1768       (cond
1769        ;; function
1770        ((functionp (car halist)) (funcall (car halist)))
1771        ;; string
1772        ((stringp (car halist)) (insert (car halist) "\n"))
1773        ;; cons
1774        ((consp (car halist))
1775         (setq field (car (car halist)))
1776         (setq value (cdr (car halist)))
1777         (cond
1778          ((symbolp field)
1779           (cond
1780            ((eq field 'Body) ; body
1781             (insert value))
1782            ((stringp value) (insert (symbol-name field) ": " value "\n"))
1783            ((functionp value)
1784             (let ((value-return (funcall value)))
1785               (when (stringp value-return)
1786                 (insert (symbol-name field) ": " value-return "\n"))))
1787            ((not value))
1788            (t
1789             (debug))))
1790          ;;
1791          ((not field))
1792          (t
1793           (debug))
1794          )))
1795       (setq halist (cdr halist)))))
1796
1797 (defun wl-draft-prepare-edit ()
1798   (unless (eq major-mode 'wl-draft-mode)
1799     (error "`wl-draft-create-header' must be use in wl-draft-mode"))
1800   (let (change-major-mode-hook)
1801     (wl-draft-editor-mode)
1802     (static-when (boundp 'auto-save-file-name-transforms)
1803       (make-local-variable 'auto-save-file-name-transforms)
1804       (setq auto-save-file-name-transforms
1805             (cons (list (concat (regexp-quote wl-draft-folder)
1806                                 "/\\([0-9]+\\)")
1807                         (concat (expand-file-name
1808                                  "auto-save-"
1809                                  (elmo-folder-msgdb-path
1810                                   (wl-draft-get-folder)))
1811                                 "\\1"))
1812                   auto-save-file-name-transforms)))
1813     (when wl-draft-write-file-function
1814       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
1815     (wl-draft-overload-functions)
1816     (wl-highlight-headers 'for-draft)
1817     (wl-draft-save)
1818     (clear-visited-file-modtime)))
1819
1820 (defun wl-draft-decode-header ()
1821   (save-excursion
1822     (std11-narrow-to-header)
1823     (wl-draft-decode-message-in-buffer)
1824     (widen)))
1825
1826 (defun wl-draft-decode-body (&optional content-type content-transfer-encoding)
1827   (let ((content-type
1828          (or content-type
1829                 (std11-field-body "content-type")))
1830         (content-transfer-encoding
1831          (or content-transfer-encoding
1832              (std11-field-body "content-transfer-encoding")))
1833         delimline)
1834     (save-excursion
1835       (std11-narrow-to-header)
1836       (wl-draft-delete-field "content-type")
1837       (wl-draft-delete-field "content-transfer-encoding")
1838       (goto-char (point-max))
1839       (setq delimline (point-marker))
1840       (widen)
1841       (narrow-to-region delimline (point-max))
1842       (goto-char (point-min))
1843       (when content-type
1844         (insert "Content-type: " content-type "\n"))
1845       (when content-transfer-encoding
1846         (insert "Content-Transfer-Encoding: " content-transfer-encoding "\n"))
1847       (wl-draft-decode-message-in-buffer)
1848       (goto-char (point-min))
1849       (unless (re-search-forward "^$" (point-at-eol) t)
1850         (insert "\n"))
1851       (widen)
1852       delimline)))
1853
1854 ;;; subroutine for wl-draft-create-contents
1855 ;;; must be used in wl-draft-mode
1856 (defun wl-draft-check-new-line ()
1857   (if (not (= (preceding-char) ?\n))
1858       (insert ?\n)))
1859
1860 (defsubst wl-draft-trim-ccs (cc)
1861   (let ((field
1862          (if (functionp cc)
1863              (funcall cc)
1864            cc)))
1865     (if (and field
1866              (null (and wl-draft-delete-myself-from-bcc-fcc
1867                         (elmo-list-member
1868                          (mapcar 'wl-address-header-extract-address
1869                                  (append
1870                                   (wl-parse-addresses (std11-field-body "To"))
1871                                   (wl-parse-addresses (std11-field-body "Cc"))))
1872                          (mapcar 'downcase wl-subscribed-mailing-list)))))
1873         field
1874       nil)))
1875
1876 (defsubst wl-draft-default-headers ()
1877   (list
1878    (cons 'Mail-Reply-To (and wl-insert-mail-reply-to
1879                              (wl-address-header-extract-address
1880                               wl-from)))
1881    (cons 'User-Agent wl-generate-mailer-string-function)
1882    (cons 'Reply-To mail-default-reply-to)
1883    (cons 'Bcc (function
1884                (lambda ()
1885                  (wl-draft-trim-ccs
1886                   (or wl-bcc (and mail-self-blind (user-login-name)))))))
1887    (cons 'Fcc (function
1888                (lambda ()
1889                  (wl-draft-trim-ccs wl-fcc))))
1890    (cons 'Organization wl-organization)
1891    (and wl-auto-insert-x-face
1892         (file-exists-p wl-x-face-file)
1893         'wl-draft-insert-x-face-field-here) ;; allow nil
1894    mail-default-headers
1895    ;; check \n at th end of line for `mail-default-headers'
1896    'wl-draft-check-new-line
1897    ))
1898
1899 (defun wl-draft-insert-mail-header-separator (&optional delimline)
1900   (save-excursion
1901     (if delimline
1902         (goto-char delimline)
1903       (goto-char (point-min))
1904       (if (search-forward "\n\n" nil t)
1905           (delete-backward-char 1)
1906         (goto-char (point-max))))
1907     (wl-draft-check-new-line)
1908     (put-text-property (point)
1909                        (progn
1910                          (insert mail-header-separator "\n")
1911                          (1- (point)))
1912                        'category 'mail-header-separator)
1913     (point)))
1914
1915 ;;;;;;;;;;;;;;;;
1916
1917 (defun wl-draft-elmo-nntp-send ()
1918   (let ((elmo-nntp-post-pre-hook wl-news-send-pre-hook)
1919         (elmo-nntp-default-user
1920          (or wl-nntp-posting-user elmo-nntp-default-user))
1921         (elmo-nntp-default-server
1922          (or wl-nntp-posting-server elmo-nntp-default-server))
1923         (elmo-nntp-default-port
1924          (or wl-nntp-posting-port elmo-nntp-default-port))
1925         (elmo-nntp-default-stream-type
1926          (or wl-nntp-posting-stream-type elmo-nntp-default-stream-type))
1927         (elmo-nntp-default-function wl-nntp-posting-function)
1928         condition)
1929     (if (setq condition (cdr (elmo-string-matched-assoc
1930                               (std11-field-body "Newsgroups")
1931                               wl-nntp-posting-config-alist)))
1932         (if (stringp condition)
1933             (setq elmo-nntp-default-server condition)
1934           (while (car condition)
1935             (set (intern (format "elmo-nntp-default-%s"
1936                                  (symbol-name (caar condition))))
1937                  (cdar condition))
1938             (setq condition (cdr condition)))))
1939     (unless elmo-nntp-default-function
1940       (error "wl-draft-nntp-send: posting-function is nil"))
1941     (if (not (elmo-plugged-p elmo-nntp-default-server elmo-nntp-default-port))
1942         (wl-draft-set-sent-message 'news 'unplugged
1943                                    (cons elmo-nntp-default-server
1944                                          elmo-nntp-default-port))
1945       (funcall elmo-nntp-default-function
1946                elmo-nntp-default-server (current-buffer))
1947       (wl-draft-set-sent-message 'news 'sent)
1948       (wl-draft-write-sendlog 'ok 'nntp elmo-nntp-default-server
1949                               (std11-field-body "Newsgroups")
1950                               (std11-field-body "Message-ID")))))
1951
1952 (defun wl-draft-generate-clone-buffer (name &optional local-variables)
1953   "Generate clone of current buffer named NAME."
1954   (let ((editing-buffer (current-buffer)))
1955     (save-excursion
1956       (set-buffer (generate-new-buffer name))
1957       (erase-buffer)
1958       (wl-draft-mode)
1959       (wl-draft-editor-mode)
1960       (insert-buffer editing-buffer)
1961       (message "")
1962       (while local-variables
1963         (make-local-variable (car local-variables))
1964         (set (car local-variables)
1965              (save-excursion
1966                (set-buffer editing-buffer)
1967                (symbol-value (car local-variables))))
1968         (setq local-variables (cdr local-variables)))
1969       (current-buffer))))
1970
1971 (defun wl-draft-remove-text-plain-tag ()
1972   "Remove text/plain tag of mime-edit."
1973   (when (string= (mime-make-text-tag "plain")
1974                  (buffer-substring-no-properties (point-at-bol)(point-at-eol)))
1975     (delete-region (point-at-bol)(1+ (point-at-eol)))))
1976
1977 (defun wl-draft-reedit (number)
1978   (let ((draft-folder (wl-draft-get-folder))
1979         (wl-draft-reedit t)
1980         (num 0)
1981         buffer change-major-mode-hook body-top)
1982     (setq buffer (get-buffer-create (format "%s/%d" wl-draft-folder
1983                                             number)))
1984     (if wl-draft-use-frame
1985         (switch-to-buffer-other-frame buffer)
1986       (switch-to-buffer buffer))
1987     (set-buffer buffer)
1988     (elmo-message-fetch draft-folder number (elmo-make-fetch-strategy 'entire))
1989     (elmo-delete-cr-buffer)
1990     (let ((mime-edit-again-ignored-field-regexp
1991            "^\\(Content-.*\\|Mime-Version\\):"))
1992       (wl-draft-decode-message-in-buffer))
1993     (setq body-top (wl-draft-insert-mail-header-separator))
1994     (auto-save-mode -1)
1995     (wl-draft-mode)
1996     (make-local-variable 'truncate-partial-width-windows)
1997     (setq truncate-partial-width-windows nil)
1998     (setq truncate-lines wl-draft-truncate-lines)
1999     (setq wl-sent-message-via nil)
2000     (setq wl-sent-message-queued nil)
2001     (wl-draft-config-info-operation number 'load)
2002     (goto-char (point-min))
2003     (wl-draft-overload-functions)
2004     (wl-draft-editor-mode)
2005     (static-when (boundp 'auto-save-file-name-transforms)
2006       (make-local-variable 'auto-save-file-name-transforms)
2007       (setq auto-save-file-name-transforms
2008             (cons (list (concat (regexp-quote wl-draft-folder)
2009                                 "/\\([0-9]+\\)")
2010                         (concat (expand-file-name
2011                                  "auto-save-"
2012                                  (elmo-folder-msgdb-path
2013                                   (wl-draft-get-folder)))
2014                                 "\\1"))
2015                   auto-save-file-name-transforms)))
2016     (setq buffer-file-name (buffer-name)
2017           wl-draft-parent-folder ""
2018           wl-draft-buffer-message-number number)
2019     (when wl-draft-write-file-function
2020       (add-hook 'local-write-file-hooks wl-draft-write-file-function))
2021     (wl-highlight-headers 'for-draft)
2022     (goto-char body-top)
2023     (run-hooks 'wl-draft-reedit-hook)
2024     (goto-char (point-max))
2025     buffer))
2026
2027 (defmacro wl-draft-body-goto-top ()
2028   (` (progn
2029        (goto-char (point-min))
2030        (if (re-search-forward mail-header-separator nil t)
2031            (forward-char 1)
2032          (goto-char (point-max))))))
2033
2034 (defmacro wl-draft-body-goto-bottom ()
2035   (` (goto-char (point-max))))
2036
2037 (defmacro wl-draft-config-body-goto-header ()
2038   (` (progn
2039        (goto-char (point-min))
2040        (if (re-search-forward mail-header-separator nil t)
2041            (beginning-of-line)
2042          (goto-char (point-max))))))
2043
2044 (defsubst wl-draft-config-sub-eval-insert (content &optional newline)
2045   (let (content-value)
2046     (when (and content
2047                (stringp (setq content-value (eval content))))
2048       (insert content-value)
2049       (if newline (insert "\n")))))
2050
2051 (defun wl-draft-config-sub-body (content)
2052   (wl-draft-body-goto-top)
2053   (delete-region (point) (point-max))
2054   (wl-draft-config-sub-eval-insert content))
2055
2056 (defun wl-draft-config-sub-top (content)
2057   (wl-draft-body-goto-top)
2058   (wl-draft-config-sub-eval-insert content))
2059
2060 (defun wl-draft-config-sub-bottom (content)
2061   (wl-draft-body-goto-bottom)
2062   (wl-draft-config-sub-eval-insert content))
2063
2064 (defun wl-draft-config-sub-header (content)
2065   (wl-draft-config-body-goto-header)
2066   (wl-draft-config-sub-eval-insert content 'newline))
2067
2068 (defun wl-draft-config-sub-header-top (content)
2069   (goto-char (point-min))
2070   (wl-draft-config-sub-eval-insert content 'newline))
2071
2072 (defun wl-draft-config-sub-part-top (content)
2073   (goto-char (mime-edit-content-beginning))
2074   (wl-draft-config-sub-eval-insert content 'newline))
2075
2076 (defun wl-draft-config-sub-part-bottom (content)
2077   (goto-char (mime-edit-content-end))
2078   (wl-draft-config-sub-eval-insert content 'newline))
2079
2080 (defsubst wl-draft-config-sub-file (content)
2081   (let ((coding-system-for-read wl-cs-autoconv)
2082         (file (expand-file-name (eval content))))
2083     (if (file-exists-p file)
2084         (insert-file-contents file)
2085       (error "%s: no exists file" file))))
2086
2087 (defun wl-draft-config-sub-body-file (content)
2088   (wl-draft-body-goto-top)
2089   (delete-region (point) (point-max))
2090   (wl-draft-config-sub-file content))
2091
2092 (defun wl-draft-config-sub-top-file (content)
2093   (wl-draft-body-goto-top)
2094   (wl-draft-config-sub-file content))
2095
2096 (defun wl-draft-config-sub-bottom-file (content)
2097   (wl-draft-body-goto-bottom)
2098   (wl-draft-config-sub-file content))
2099
2100 (defun wl-draft-config-sub-header-file (content)
2101   (wl-draft-config-body-goto-header)
2102   (wl-draft-config-sub-file content))
2103
2104 (defun wl-draft-config-sub-template (content)
2105   (setq wl-draft-config-variables
2106         (wl-template-insert (eval content))))
2107
2108 (defun wl-draft-config-sub-x-face (content)
2109   (if (and (string-match "\\.xbm\\(\\.gz\\)?$" content)
2110            (fboundp 'x-face-insert)) ; x-face.el is installed.
2111       (x-face-insert content)
2112     (wl-draft-replace-field "X-Face" (elmo-get-file-string content t) t)))
2113
2114 (defsubst wl-draft-config-sub-func (field content)
2115   (let (func)
2116     (if (setq func (assq field wl-draft-config-sub-func-alist))
2117         (let (wl-draft-config-variables)
2118           (funcall (cdr func) content)
2119           ;; for wl-draft-config-sub-template
2120           (cons t wl-draft-config-variables)))))
2121
2122 (defsubst wl-draft-config-exec-sub (clist)
2123   (let (config local-variables)
2124     (while clist
2125       (setq config (car clist))
2126       (cond
2127        ((functionp config)
2128         (funcall config))
2129        ((consp config)
2130         (let ((field (car config))
2131               (content (cdr config))
2132               ret-val)
2133           (cond
2134            ((stringp field)
2135             (wl-draft-replace-field field (eval content) t))
2136            ((setq ret-val (wl-draft-config-sub-func field content))
2137             (if (cdr ret-val) ;; for wl-draft-config-sub-template
2138                 (wl-append local-variables (cdr ret-val))))
2139            ((boundp field) ;; variable
2140             (make-local-variable field)
2141             (set field (eval content))
2142             (wl-append local-variables (list field)))
2143            (t
2144             (error "%s: not variable" field)))))
2145        (t
2146         (error "%s: not supported type" config)))
2147       (setq clist (cdr clist)))
2148     local-variables))
2149
2150 (defun wl-draft-prepared-config-exec (&optional config-alist reply-buf)
2151   "Change headers in draft preparation time."
2152   (interactive)
2153   (unless wl-draft-reedit
2154     (let ((config-alist
2155            (or config-alist
2156                (and (boundp 'wl-draft-prepared-config-alist)
2157                     wl-draft-prepared-config-alist)     ;; For compatible.
2158                wl-draft-config-alist)))
2159       (if config-alist
2160           (wl-draft-config-exec config-alist reply-buf)))))
2161
2162 (defun wl-draft-config-exec (&optional config-alist reply-buf)
2163   "Change headers according to the value of `wl-draft-config-alist'.
2164 Automatically applied in draft sending time."
2165   (interactive)
2166   (let ((case-fold-search t)
2167         (alist (or config-alist wl-draft-config-alist))
2168         (reply-buf (or reply-buf (and (buffer-live-p wl-draft-reply-buffer)
2169                                       wl-draft-reply-buffer)))
2170         (local-variables wl-draft-config-variables)
2171         key clist found)
2172     (when (and (or (interactive-p)
2173                    wl-draft-config-exec-flag)
2174                alist)
2175       (save-excursion
2176         (catch 'done
2177           (while alist
2178             (setq key (caar alist)
2179                   clist (cdar alist))
2180             (cond
2181              ((eq key 'reply)
2182               (when (and
2183                      reply-buf
2184                      (save-excursion
2185                        (set-buffer reply-buf)
2186                        (save-restriction
2187                          (std11-narrow-to-header)
2188                          (goto-char (point-min))
2189                          (re-search-forward (car clist) nil t))))
2190                 (wl-draft-config-exec-sub (cdr clist))
2191                 (setq found t)))
2192              ((stringp key)
2193               (when (save-restriction
2194                       (std11-narrow-to-header mail-header-separator)
2195                       (goto-char (point-min))
2196                       (re-search-forward key nil t))
2197                 (wl-append local-variables
2198                            (wl-draft-config-exec-sub clist))
2199                 (setq found t)))
2200              ((eval key)
2201               (wl-append local-variables
2202                          (wl-draft-config-exec-sub clist))
2203               (setq found t)))
2204             (if (and found wl-draft-config-matchone)
2205                 (throw 'done t))
2206             (setq alist (cdr alist)))))
2207       (if found
2208           (setq wl-draft-config-exec-flag nil))
2209       (run-hooks 'wl-draft-config-exec-hook)
2210       (put-text-property (point-min)(point-max) 'face nil)
2211       (wl-highlight-message (point-min)(point-max) t)
2212       (setq wl-draft-config-variables
2213             (elmo-uniq-list local-variables)))))
2214
2215 (defun wl-draft-replace-field (field content &optional add)
2216   (save-excursion
2217     (save-restriction
2218       (let ((case-fold-search t)
2219             (inhibit-read-only t) ;; added by teranisi.
2220             beg)
2221         (std11-narrow-to-header mail-header-separator)
2222         (goto-char (point-min))
2223         (if (re-search-forward (concat "^" (regexp-quote field) ":") nil t)
2224             (if content
2225                 ;; replace field
2226                 (progn
2227                   (setq beg (point))
2228                   (re-search-forward "^[^ \t]" nil 'move)
2229                   (beginning-of-line)
2230                   (skip-chars-backward "\n")
2231                   (delete-region beg (point))
2232                   (insert " " content))
2233               ;; delete field
2234               (save-excursion
2235                 (beginning-of-line)
2236                 (setq beg (point)))
2237               (re-search-forward "^[^ \t]" nil 'move)
2238               (beginning-of-line)
2239               (delete-region beg (point)))
2240           (when (and add content)
2241             ;; add field
2242             (goto-char (point-max))
2243             (insert (concat field ": " content "\n"))))))))
2244
2245 (defsubst wl-draft-config-info-filename (number msgdb-dir)
2246   (expand-file-name
2247    (format "%s-%d" wl-draft-config-save-filename number)
2248    msgdb-dir))
2249
2250 (defun wl-draft-config-info-operation (msg operation)
2251   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2252          (filename (wl-draft-config-info-filename msg msgdb-dir))
2253          element alist variable)
2254     (cond
2255      ((eq operation 'save)
2256       (let ((variables (elmo-uniq-list wl-draft-config-variables)))
2257         (while (setq variable (pop variables))
2258           (when (boundp variable)
2259             (wl-append alist
2260                        (list (cons variable (eval variable))))))
2261         (elmo-object-save filename alist)))
2262      ((eq operation 'load)
2263       (setq alist (elmo-object-load filename))
2264       (while (setq element (pop alist))
2265         (set (make-local-variable (car element)) (cdr element))
2266         (wl-append wl-draft-config-variables (list (car element)))))
2267      ((eq operation 'delete)
2268       (if (file-exists-p filename)
2269           (delete-file filename))))))
2270
2271 (defun wl-draft-queue-info-operation (msg operation
2272                                           &optional add-sent-message-via)
2273   (let* ((msgdb-dir (elmo-folder-msgdb-path
2274                      (wl-folder-get-elmo-folder wl-queue-folder)))
2275          (filename
2276           (expand-file-name
2277            (format "%s-%d" wl-draft-queue-save-filename msg)
2278            msgdb-dir))
2279          element alist variable)
2280     (cond
2281      ((eq operation 'save)
2282       (let ((variables (elmo-uniq-list
2283                         (append wl-draft-queue-save-variables
2284                                 wl-draft-config-variables
2285                                 (list 'wl-draft-fcc-list)))))
2286         (if add-sent-message-via
2287             (progn
2288               (push 'wl-sent-message-queued variables)
2289               (push 'wl-sent-message-via variables)))
2290         (while (setq variable (pop variables))
2291           (when (boundp variable)
2292             (wl-append alist
2293                        (list (cons variable (eval variable))))))
2294         (elmo-object-save filename alist)))
2295      ((eq operation 'load)
2296       (setq alist (elmo-object-load filename))
2297       (while (setq element (pop alist))
2298         (set (make-local-variable (car element)) (cdr element))))
2299      ((eq operation 'get-sent-via)
2300       (setq alist (elmo-object-load filename))
2301       (cdr (assq 'wl-sent-message-via alist)))
2302      ((eq operation 'delete)
2303       (if (file-exists-p filename)
2304           (delete-file filename))))))
2305
2306 (defun wl-draft-queue-append (wl-sent-message-via)
2307   (if wl-draft-verbose-send
2308       (message "Queuing..."))
2309   (let ((send-buffer (current-buffer))
2310         (folder (wl-folder-get-elmo-folder wl-queue-folder))
2311         (message-id (std11-field-body "Message-ID")))
2312     (if (elmo-folder-append-buffer folder)
2313         (progn
2314           (wl-draft-queue-info-operation
2315            (car (elmo-folder-status folder))
2316            'save wl-sent-message-via)
2317           (wl-draft-write-sendlog 'ok 'queue nil wl-queue-folder message-id)
2318           (when wl-draft-verbose-send
2319             (setq wl-draft-verbose-msg "Queuing...")
2320             (message "Queuing...done")))
2321       (wl-draft-write-sendlog 'failed 'queue nil wl-queue-folder message-id)
2322       (error "Queuing failed"))))
2323
2324 (defun wl-draft-queue-flush ()
2325   "Flush draft queue."
2326   (interactive)
2327   (let* ((queue-folder (wl-folder-get-elmo-folder wl-queue-folder))
2328          (msgs2 (progn
2329                   (elmo-folder-open-internal queue-folder)
2330                   (elmo-folder-list-messages queue-folder)))
2331          (i 0)
2332          (performed 0)
2333          (wl-draft-queue-flushing t)
2334          msgs failure len buffer msgid sent-via)
2335     ;; get plugged send message
2336     (while msgs2
2337       (setq sent-via (wl-draft-queue-info-operation (car msgs2) 'get-sent-via))
2338       (catch 'found
2339         (while sent-via
2340           (when (and (eq (nth 1 (car sent-via)) 'unplugged)
2341                      (or (not (nth 2 (car sent-via)))
2342                          (elmo-plugged-p
2343                           (car (nth 2 (car sent-via)))
2344                           (cdr (nth 2 (car sent-via))))))
2345             (wl-append msgs (list (car msgs2)))
2346             (throw 'found t))
2347           (setq sent-via (cdr sent-via))))
2348       (setq msgs2 (cdr msgs2)))
2349     (when (> (setq len (length msgs)) 0)
2350       (if (elmo-y-or-n-p (format
2351                           "%d message(s) are in the sending queue.  Send now? "
2352                           len)
2353                          (not elmo-dop-flush-confirm) t)
2354           (progn
2355             (save-excursion
2356               (setq buffer (get-buffer-create " *wl-draft-queue-flush*"))
2357               (set-buffer buffer)
2358               (while msgs
2359                 ;; reset buffer local variables
2360                 (kill-all-local-variables)
2361                 (erase-buffer)
2362                 (setq i (+ 1 i)
2363                       failure nil)
2364                 (setq wl-sent-message-via nil)
2365                 (wl-draft-queue-info-operation (car msgs) 'load)
2366                 (elmo-message-fetch queue-folder
2367                                     (car msgs)
2368                                     (elmo-make-fetch-strategy 'entire))
2369                 (condition-case err
2370                     (setq failure (funcall
2371                                    wl-draft-queue-flush-send-function
2372                                    (format "Sending (%d/%d)..." i len)))
2373 ;;;               (wl-draft-raw-send nil nil
2374 ;;;                                  (format "Sending (%d/%d)..." i len))
2375                   (error
2376                    (elmo-display-error err t)
2377                    (setq failure t))
2378                   (quit
2379                    (setq failure t)))
2380                 (if (eq wl-sent-message-modified 'requeue)
2381                     (progn
2382                       (elmo-folder-delete-messages
2383                        queue-folder (cons (car msgs) nil))
2384                       (wl-draft-queue-info-operation (car msgs) 'delete))
2385                   (unless failure
2386                     (elmo-folder-delete-messages
2387                      queue-folder (cons (car msgs) nil))
2388                     (wl-draft-queue-info-operation (car msgs) 'delete)
2389                     (setq performed (+ 1 performed))))
2390                 (setq msgs (cdr msgs)))
2391               (kill-buffer buffer)
2392               (message "%d message(s) are sent." performed)))
2393         (message "%d message(s) are remained to be sent." len))
2394       (elmo-folder-close queue-folder)
2395       len)))
2396
2397 (defun wl-jump-to-draft-buffer (&optional arg)
2398   "Jump to the draft if exists."
2399   (interactive "P")
2400   (if arg
2401       (wl-jump-to-draft-folder)
2402     (let ((draft-bufs (wl-collect-draft))
2403           buf)
2404       (cond
2405        ((null draft-bufs)
2406         (message "No draft buffer exist."))
2407        (t
2408         (setq draft-bufs
2409               (sort (mapcar 'buffer-name draft-bufs)
2410                     (function (lambda (a b)
2411                                 (not (string< a b))))))
2412         (if (setq buf (cdr (member (buffer-name)
2413                                    draft-bufs)))
2414             (setq buf (car buf))
2415           (setq buf (car draft-bufs)))
2416         (switch-to-buffer buf))))))
2417
2418 (defun wl-jump-to-draft-folder ()
2419   (let ((msgs (reverse (elmo-folder-list-messages (wl-draft-get-folder))))
2420         (mybuf (buffer-name))
2421         msg buf)
2422     (if (not msgs)
2423         (message "No draft message exist.")
2424       (if (string-match (concat "^" wl-draft-folder "/") mybuf)
2425           (setq msg (cadr (memq
2426                            (string-to-int (substring mybuf (match-end 0)))
2427                            msgs))))
2428       (or msg (setq msg (car msgs)))
2429       (if (setq buf (get-buffer (format "%s/%d" wl-draft-folder msg)))
2430           (switch-to-buffer buf)
2431         (wl-draft-reedit msg)))))
2432
2433 (defun wl-draft-highlight-and-recenter (&optional n)
2434   (interactive "P")
2435   (when wl-highlight-body-too
2436     (let ((modified (buffer-modified-p)))
2437       (unwind-protect
2438           (progn
2439             (put-text-property (point-min) (point-max) 'face nil)
2440             (wl-highlight-message (point-min) (point-max) t))
2441         (set-buffer-modified-p modified))))
2442   (static-when (featurep 'xemacs)
2443     ;; Cope with one of many XEmacs bugs that `recenter' takes
2444     ;; a long time if there are a lot of invisible text lines.
2445     (redraw-frame))
2446   (recenter n))
2447
2448 ;; insert element from history
2449 (defvar wl-draft-current-history-position nil)
2450 (defvar wl-draft-history-backup-word "")
2451
2452 (defun wl-draft-previous-history-element (n)
2453   (interactive "p")
2454   (let (bol history beg end prev new)
2455     (when (and (not (wl-draft-on-field-p))
2456                (< (point)
2457                   (save-excursion
2458                     (goto-char (point-min))
2459                     (search-forward (concat "\n" mail-header-separator "\n") nil 0)
2460                     (point)))
2461                (save-excursion
2462                  (beginning-of-line)
2463                  (while (and (looking-at "^[ \t]")
2464                              (not (= (point) (point-min))))
2465                    (forward-line -1))
2466                  (cond
2467                   ((looking-at wl-folder-complete-header-regexp)
2468                    (and (boundp 'wl-read-folder-history)
2469                         (setq history wl-read-folder-history)))
2470                   ;; ((looking-at wl-address-complete-header-regexp)
2471                   ;;  (setq history .....))
2472                   (t
2473                    nil)))
2474                (eolp))
2475       (setq bol (save-excursion (beginning-of-line) (point)))
2476       (cond ((and (or (eq last-command 'wl-draft-previous-history-element)
2477                       (eq last-command 'wl-draft-next-history-element))
2478                   wl-draft-current-history-position)
2479              (setq end (point))
2480              (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2481                  (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2482                  (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t))
2483              (setq prev (match-string 1))
2484              (goto-char (match-beginning 1))
2485              (setq beg (point))
2486              (if (cond ((< n 0)
2487                         (>= (+ n wl-draft-current-history-position) 0))
2488                        ((> n 0)
2489                         (<= (+ n wl-draft-current-history-position)
2490                             (length history))))
2491                  (progn
2492                    (setq wl-draft-current-history-position
2493                          (+ n wl-draft-current-history-position))
2494                    (setq new
2495                          (nth wl-draft-current-history-position
2496                               (append (list wl-draft-history-backup-word)
2497                                       history)))
2498                    (delete-region beg end)
2499                    (insert new))
2500                (goto-char end)
2501                (cond ((< n 0)
2502                       (message "End of history; no next item"))
2503                      ((> n 0)
2504                       (message "Beginning of history; no preceding item")))))
2505             ((and (> n 0)
2506                   (save-excursion
2507                     (or (search-backward-regexp ",[ \t]*\\(.*\\)" bol t)
2508                         (search-backward-regexp "^[ \t]\\(.*\\)" bol t)
2509                         (search-backward-regexp "^[^ \t]*: \\(.*\\)" bol t)))
2510                   (car history))
2511              (setq wl-draft-current-history-position 1)
2512              (setq wl-draft-history-backup-word (match-string 1))
2513              (delete-region (match-beginning 1) (match-end 1))
2514              (insert (car history)))
2515             (t
2516              (setq wl-draft-current-history-position nil))))))
2517
2518 (defun wl-draft-next-history-element (n)
2519   (interactive "p")
2520   (wl-draft-previous-history-element (- n)))
2521
2522 ;;;; user-agent support by Sen Nagata
2523
2524 ;; this appears to be necessarily global...
2525 (defvar wl-user-agent-compose-p nil)
2526 (defvar wl-user-agent-headers-and-body-alist nil)
2527
2528 ;; this should be a generic function for mail-mode -- i wish there was
2529 ;; something like it in sendmail.el
2530 (defun wl-user-agent-insert-header (header-name header-value)
2531   "Insert HEADER-NAME w/ value HEADER-VALUE into a message."
2532   ;; it seems like overriding existing headers is acceptable -- should
2533   ;; we provide an option?
2534
2535   ;; plan was: unfold header (might be folded), remove existing value, insert
2536   ;;           new value
2537   ;; wl doesn't seem to fold header lines yet anyway :-)
2538
2539   (let ((kill-whole-line t)
2540         end-of-line)
2541     (mail-position-on-field (capitalize header-name))
2542     (setq end-of-line (point))
2543     (beginning-of-line)
2544     (re-search-forward ":" end-of-line)
2545     (insert (concat " " header-value "\n"))
2546     (kill-line)))
2547
2548 ;; this should be a generic function for mail-mode -- i wish there was
2549 ;; something like it in sendmail.el
2550 ;;
2551 ;; ** haven't dealt w/ case where the body is already set **
2552 (defun wl-user-agent-insert-body (body-text)
2553   "Insert a body of text, BODY-TEXT, into a message."
2554   ;; code defensively... :-P
2555   (goto-char (point-min))
2556   (search-forward mail-header-separator)
2557   (forward-line 1)
2558   (insert body-text))
2559
2560 ;;;###autoload
2561 (defun wl-user-agent-compose (&optional to subject other-headers continue
2562                                         switch-function yank-action
2563                                         send-actions)
2564   "Support the `compose-mail' interface for wl.
2565 Only support for TO, SUBJECT, and OTHER-HEADERS has been implemented.
2566 Support for CONTINUE, YANK-ACTION, and SEND-ACTIONS has not
2567 been implemented yet.  Partial support for SWITCH-FUNCTION now supported."
2568
2569   (unless (featurep 'wl)
2570     (require 'wl))
2571   (or switch-function
2572       (setq switch-function 'keep))
2573   ;; protect these -- to and subject get bound at some point, so it looks
2574   ;; to be necessary to protect the values used w/in
2575   (let ((wl-user-agent-headers-and-body-alist other-headers)
2576         (wl-draft-use-frame (eq switch-function 'switch-to-buffer-other-frame))
2577         (wl-draft-buffer-style switch-function))
2578     (if to
2579         (if (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2580                                    'ignore-case)
2581             (setcdr
2582              (wl-string-match-assoc "to" wl-user-agent-headers-and-body-alist
2583                                     'ignore-case)
2584              to)
2585           (setq wl-user-agent-headers-and-body-alist
2586                 (cons (cons "to" to)
2587                       wl-user-agent-headers-and-body-alist))))
2588     (if subject
2589         (if (wl-string-match-assoc "subject"
2590                                    wl-user-agent-headers-and-body-alist
2591                                    'ignore-case)
2592             (setcdr
2593              (wl-string-match-assoc "subject"
2594                                     wl-user-agent-headers-and-body-alist
2595                                     'ignore-case)
2596              subject)
2597           (setq wl-user-agent-headers-and-body-alist
2598                 (cons (cons "subject" subject)
2599                       wl-user-agent-headers-and-body-alist))))
2600     ;; i think this is what we want to use...
2601     (unwind-protect
2602         (progn
2603           ;; tell the hook-function to do its stuff
2604           (setq wl-user-agent-compose-p t)
2605           ;; because to get the hooks working, wl-draft has to think it has
2606           ;; been called interactively
2607           (call-interactively 'wl-draft))
2608       (setq wl-user-agent-compose-p nil))))
2609
2610 (defun wl-user-agent-compose-internal ()
2611   "Manipulate headers and/or a body of a draft message."
2612   ;; being called from wl-user-agent-compose?
2613   (if wl-user-agent-compose-p
2614       (progn
2615         ;; insert headers
2616         (let ((headers wl-user-agent-headers-and-body-alist)
2617               (case-fold-search t))
2618           (while headers
2619             ;; skip body
2620             (if (not (string-match "^body$" (car (car headers))))
2621                 (wl-user-agent-insert-header
2622                  (car (car headers)) (cdr (car headers)))
2623               t)
2624             (setq headers (cdr headers))))
2625         ;; highlight headers (from wl-draft in wl-draft.el)
2626         (wl-highlight-headers 'for-draft)
2627         ;; insert body
2628         (if (wl-string-match-assoc "body" wl-user-agent-headers-and-body-alist
2629                                    'ignore-case)
2630             (wl-user-agent-insert-body
2631              (cdr (wl-string-match-assoc
2632                    "body"
2633                    wl-user-agent-headers-and-body-alist 'ignore-case)))))
2634     t))
2635
2636 (defun wl-draft-setup-parent-flag (flag)
2637   "Setup a FLAG for parent message."
2638   (when (and (> (length wl-draft-parent-folder) 0)
2639              wl-draft-parent-number)
2640     (setq wl-draft-parent-flag flag)
2641     (wl-draft-config-info-operation wl-draft-buffer-message-number 'save)))
2642
2643 (defun wl-draft-buffer-change-number (old-number new-number)
2644   (when (eq wl-draft-buffer-message-number old-number)
2645     (setq wl-draft-buffer-message-number new-number)
2646     (rename-buffer (format "%s/%d" wl-draft-folder new-number))
2647     (setq buffer-file-name (buffer-name))
2648     (set-buffer-modified-p nil)))
2649
2650 (defun wl-draft-rename-saved-config (old-number new-number)
2651   (let* ((msgdb-dir (elmo-folder-msgdb-path (wl-draft-get-folder)))
2652          (old-name (wl-draft-config-info-filename old-number msgdb-dir))
2653          (new-name (wl-draft-config-info-filename new-number msgdb-dir)))
2654     (when (file-exists-p old-name)
2655       (rename-file old-name new-name 'ok-if-already-exists))))
2656
2657 (require 'product)
2658 (product-provide (provide 'wl-draft) (require 'wl-version))
2659
2660 ;;; wl-draft.el ends here