wl/wl-mime.el

   1 ;;; wl-mime.el -- SEMI implementations of MIME processing on Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4
   5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   6 ;; Keywords: mail, net news
   7
   8 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
   9
  10 ;; This program is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14 ;;
  15 ;; This program is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19 ;;
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24 ;;
  25
  26 ;;; Commentary:
  27 ;;
  28
  29 ;;; Code:
  30 ;;
  31
  32 (require 'mime-view)
  33 (require 'mime-edit)
  34 (require 'mime-play)
  35 (require 'mmelmo)
  36
  37 (eval-when-compile
  38   (defalias-maybe 'Meadow-version 'ignore))
  39
  40 (defvar xemacs-betaname)
  41 (defvar xemacs-codename)
  42 (defvar enable-multibyte-characters)
  43 (defvar mule-version)
  44
  45 ;;; Draft
  46
  47 (defalias 'wl-draft-editor-mode 'mime-edit-mode)
  48
  49 (defalias 'wl-draft-decode-message-in-buffer
  50   'mime-edit-decode-message-in-buffer)
  51
  52 (defun wl-draft-yank-current-message-entity ()
  53   "Yank currently displayed message entity.
  54 By setting following-method as yank-content."
  55   (let ((wl-draft-buffer (current-buffer))
  56         (mime-view-following-method-alist
  57          (list (cons 'wl-original-message-mode
  58                      (function wl-draft-yank-to-draft-buffer))))
  59         (mime-preview-following-method-alist
  60          (list (cons 'wl-original-message-mode
  61                      (function wl-draft-yank-to-draft-buffer)))))
  62     (if (get-buffer (wl-current-message-buffer))
  63         (save-excursion
  64           (save-restriction
  65             (set-buffer (wl-current-message-buffer))
  66             (widen)
  67             (mime-preview-follow-current-entity))))))
  68
  69 (defalias 'wl-draft-enclose-digest-region 'mime-edit-enclose-digest-region)
  70
  71 (defun wl-draft-preview-message ()
  72   ""
  73   (interactive)
  74   (let* (recipients-message
  75          (config-exec-flag wl-draft-config-exec-flag)
  76          (mime-display-header-hook 'wl-highlight-headers)
  77          mime-view-ignored-field-list ; all header.
  78          (mime-edit-translate-buffer-hook
  79           (append
  80            '((lambda ()
  81                (let ((wl-draft-config-exec-flag config-exec-flag))
  82                  (run-hooks 'wl-draft-send-hook)
  83                  (setq recipients-message
  84                        (concat "Recipients: "
  85                                (mapconcat
  86                                 'identity
  87                                 (wl-draft-deduce-address-list
  88                                  (current-buffer)
  89                                  (point-min)
  90                                  (save-excursion
  91                                    (goto-char (point-min))
  92                                    (re-search-forward
  93                                     (concat
  94                                      "^"
  95                                      (regexp-quote mail-header-separator)
  96                                      "$")
  97                                     nil t)
  98                                    (point)))
  99                                 ", "))))))
 100            mime-edit-translate-buffer-hook)))
 101     (mime-edit-preview-message)
 102     (let ((buffer-read-only nil))
 103       (when wl-highlight-body-too
 104         (wl-highlight-body))
 105       (run-hooks 'wl-draft-preview-message-hook))
 106     (message recipients-message)))
 107
 108 (defalias 'wl-draft-caesar-region  'mule-caesar-region)
 109
 110 (defalias 'wl-draft-insert-message 'mime-edit-insert-message)
 111
 112 (defalias 'wl-draft-insert-mail 'mime-edit-insert-mail)
 113
 114 ;;; Message
 115
 116 (defun wl-message-decode-mode (outbuf inbuf)
 117   (let ((mime-view-content-header-filter-hook 'wl-highlight-headers)
 118         (mime-display-header-hook 'wl-highlight-headers))
 119     (mime-view-mode nil nil nil inbuf outbuf)))
 120
 121 (defun wl-message-decode-with-all-header (outbuf inbuf)
 122   (let ((mime-view-ignored-field-regexp "^:$")
 123         (mime-view-content-header-filter-hook 'wl-highlight-headers)
 124         (mime-display-header-hook 'wl-highlight-headers)
 125         mime-view-ignored-field-list)
 126     (mime-view-mode nil nil nil inbuf outbuf)))
 127
 128 (defun wl-message-delete-mime-out-buf ()
 129   (let (mime-out-buf mime-out-win)
 130     (if (setq mime-out-buf (get-buffer mime-echo-buffer-name))
 131         (if (setq mime-out-win (get-buffer-window mime-out-buf))
 132             (delete-window mime-out-win)))))
 133
 134 (defun wl-message-request-partial (folder number)
 135   (elmo-set-work-buf
 136    (elmo-message-fetch (wl-folder-get-elmo-folder folder)
 137                        number
 138                        (elmo-make-fetch-strategy 'entire)
 139                        nil
 140                        (current-buffer)
 141                        'unread)
 142    (mime-parse-buffer nil)))
 143
 144 (defalias 'wl-message-read            'mime-preview-scroll-up-entity)
 145 (defalias 'wl-message-next-content    'mime-preview-move-to-next)
 146 (defalias 'wl-message-prev-content    'mime-preview-move-to-previous)
 147 (defalias 'wl-message-play-content    'mime-preview-play-current-entity)
 148 (defalias 'wl-message-extract-content 'mime-preview-extract-current-entity)
 149 (defalias 'wl-message-quit            'mime-preview-quit)
 150 (defalias 'wl-message-button-dispatcher-internal
 151   'mime-button-dispatcher)
 152
 153 ;;; Summary
 154 (defun wl-summary-burst-subr (children target number)
 155   ;; returns new number.
 156   (let (content-type message-entity granch)
 157     (while children
 158       (setq content-type (mime-entity-content-type (car children)))
 159       (if (eq (cdr (assq 'type content-type)) 'multipart)
 160           (setq number (wl-summary-burst-subr
 161                         (mime-entity-children (car children))
 162                         target
 163                         number))
 164         (when (and (eq (cdr (assq 'type content-type)) 'message)
 165                    (eq (cdr (assq 'subtype content-type)) 'rfc822))
 166           (message (format "Bursting...%s" (setq number (+ 1 number))))
 167           (setq message-entity
 168                 (car (mime-entity-children (car children))))
 169           (with-temp-buffer
 170             (insert (mime-entity-body (car children)))
 171             (elmo-folder-append-buffer
 172              target
 173              (mime-entity-fetch-field message-entity
 174                                       "Message-ID")))))
 175       (setq children (cdr children)))
 176     number))
 177
 178 (defun wl-summary-burst ()
 179   ""
 180   (interactive)
 181   (let ((raw-buf (wl-message-get-original-buffer))
 182         children message-entity content-type target)
 183     (save-excursion
 184       (setq target wl-summary-buffer-elmo-folder)
 185       (while (not (elmo-folder-message-appendable-p target))
 186         (setq target
 187               (wl-summary-read-folder wl-default-folder "to extract to")))
 188       (wl-summary-set-message-buffer-or-redisplay)
 189       (save-excursion
 190         (set-buffer (get-buffer wl-message-buffer))
 191         (setq message-entity (get-text-property (point-min) 'mime-view-entity)))
 192       (set-buffer raw-buf)
 193       (setq children (mime-entity-children message-entity))
 194       (when children
 195         (message "Bursting...")
 196         (wl-summary-burst-subr children target 0)
 197         (message "Bursting...done"))
 198       (if (elmo-folder-plugged-p target)
 199           (elmo-folder-check target)))
 200     (wl-summary-sync-update)))
 201
 202 ;; internal variable.
 203 (defvar wl-mime-save-dir nil "Last saved directory.")
 204 ;;; Yet another save method.
 205 (defun wl-mime-save-content (entity situation)
 206   (let ((filename (read-file-name "Save to file: "
 207                                   (expand-file-name
 208                                    (or (mime-entity-safe-filename entity)
 209                                        ".")
 210                                    (or wl-mime-save-dir
 211                                        wl-tmp-dir)))))
 212     (while (file-directory-p filename)
 213       (setq filename (read-file-name "Please set filename (not directory): "
 214                                      filename)))
 215     (if (file-exists-p filename)
 216         (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
 217             (error "Not saved")))
 218     (setq wl-mime-save-dir (file-name-directory filename))
 219     (mime-write-entity-content entity filename)))
 220
 221 ;;; Yet another combine method.
 222 (defun wl-mime-combine-message/partial-pieces (entity situation)
 223   "Internal method for wl to combine message/partial messages automatically."
 224   (interactive)
 225   (let* ((msgdb (save-excursion
 226                   (set-buffer wl-message-buffer-cur-summary-buffer)
 227                   (wl-summary-buffer-msgdb)))
 228          (mime-display-header-hook 'wl-highlight-headers)
 229          (folder wl-message-buffer-cur-folder)
 230          (id (or (cdr (assoc "id" situation)) ""))
 231          (mother (current-buffer))
 232          (summary-buf wl-message-buffer-cur-summary-buffer)
 233          subject-id overviews
 234          (root-dir (expand-file-name
 235                     (concat "m-prts-" (user-login-name))
 236                     temporary-file-directory))
 237          full-file point)
 238     (setq root-dir (concat root-dir "/" (replace-as-filename id)))
 239     (setq full-file (concat root-dir "/FULL"))
 240     (if (or (file-exists-p full-file)
 241             (not (y-or-n-p "Merge partials? ")))
 242         (with-current-buffer mother
 243           (mime-store-message/partial-piece entity situation)
 244           (setq wl-message-buffer-cur-summary-buffer summary-buf)
 245           (make-variable-buffer-local 'mime-preview-over-to-next-method-alist)
 246           (setq mime-preview-over-to-next-method-alist
 247                 (cons (cons 'mime-show-message-mode 'wl-message-exit)
 248                       mime-preview-over-to-next-method-alist))
 249           (make-variable-buffer-local 'mime-preview-over-to-previous-method-alist)
 250           (setq mime-preview-over-to-previous-method-alist
 251                 (cons (cons 'mime-show-message-mode 'wl-message-exit)
 252                       mime-preview-over-to-previous-method-alist)))
 253       (setq subject-id
 254             (eword-decode-string
 255              (decode-mime-charset-string
 256               (mime-entity-read-field entity 'Subject)
 257               wl-summary-buffer-mime-charset)))
 258       (if (string-match "[0-9\n]+" subject-id)
 259           (setq subject-id (substring subject-id 0 (match-beginning 0))))
 260       (setq overviews (elmo-msgdb-get-overview msgdb))
 261       (catch 'tag
 262         (while overviews
 263           (when (string-match
 264                  (regexp-quote subject-id)
 265                  (elmo-msgdb-overview-entity-get-subject (car overviews)))
 266             (let* ((message
 267                     ;; request message at the cursor in Subject buffer.
 268                     (wl-message-request-partial
 269                      folder
 270                      (elmo-msgdb-overview-entity-get-number
 271                       (car overviews))))
 272                    (situation (mime-entity-situation message))
 273                    (the-id (or (cdr (assoc "id" situation)) "")))
 274               (when (string= (downcase the-id)
 275                              (downcase id))
 276                 (with-current-buffer mother
 277                   (mime-store-message/partial-piece message situation))
 278                 (if (file-exists-p full-file)
 279                     (throw 'tag nil)))))
 280           (setq overviews (cdr overviews)))
 281         (message "Not all partials found.")))))
 282
 283 (defun wl-mime-header-presentation-method (entity situation)
 284   (let ((mmelmo-sort-field-list wl-message-sort-field-list))
 285     (mime-insert-header entity
 286                         wl-message-ignored-field-list
 287                         wl-message-visible-field-list)
 288     (wl-highlight-headers)))
 289
 290 ;;; Setup methods.
 291 (defun wl-mime-setup ()
 292   (set-alist 'mime-preview-quitting-method-alist
 293              'wl-original-message-mode 'wl-message-exit)
 294   (set-alist 'mime-view-over-to-previous-method-alist
 295              'wl-original-message-mode 'wl-message-exit)
 296   (set-alist 'mime-view-over-to-next-method-alist
 297              'wl-original-message-mode 'wl-message-exit)
 298   (set-alist 'mime-preview-over-to-previous-method-alist
 299              'wl-original-message-mode 'wl-message-exit)
 300   (set-alist 'mime-preview-over-to-next-method-alist
 301              'wl-original-message-mode 'wl-message-exit)
 302   (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-mime-out-buf)
 303   (add-hook 'wl-message-exit-hook 'wl-message-delete-mime-out-buf)
 304
 305   (ctree-set-calist-strictly
 306    'mime-acting-condition
 307    '((type . message) (subtype . partial)
 308      (method .  wl-mime-combine-message/partial-pieces)
 309      (request-partial-message-method . wl-message-request-partial)
 310      (major-mode . wl-original-message-mode)))
 311   (ctree-set-calist-strictly
 312    'mime-acting-condition
 313    '((mode . "extract")
 314      (major-mode . wl-original-message-mode)
 315      (method . wl-mime-save-content)))
 316   (set-alist 'mime-preview-following-method-alist
 317              'wl-original-message-mode
 318              (function wl-message-follow-current-entity))
 319   (set-alist 'mime-view-following-method-alist
 320              'wl-original-message-mode
 321              (function wl-message-follow-current-entity))
 322   (set-alist 'mime-edit-message-inserter-alist
 323              'wl-draft-mode (function wl-draft-insert-current-message))
 324   (set-alist 'mime-edit-mail-inserter-alist
 325              'wl-draft-mode (function wl-draft-insert-get-message))
 326   (set-alist 'mime-edit-split-message-sender-alist
 327              'wl-draft-mode
 328              (cdr (assq 'mail-mode mime-edit-split-message-sender-alist)))
 329   (set-alist 'mime-raw-representation-type-alist
 330              'wl-original-message-mode 'binary)
 331   ;; Sort and highlight header fields.
 332   (or wl-message-ignored-field-list
 333       (setq wl-message-ignored-field-list
 334             mime-view-ignored-field-list))
 335   (or wl-message-visible-field-list
 336       (setq wl-message-visible-field-list
 337             mime-view-visible-field-list))
 338   (set-alist 'mime-header-presentation-method-alist
 339              'wl-original-message-mode
 340              (function elmo-mime-insert-header))
 341   (add-hook 'elmo-message-text-content-inserted-hook 'wl-highlight-body-all)
 342   (add-hook 'elmo-message-header-inserted-hook 'wl-highlight-headers))
 343
 344
 345
 346 (require 'product)
 347 (product-provide (provide 'wl-mime) (require 'wl-version))
 348
 349 ;;; wl-mime.el ends here