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 'mmelmo-original-mode
  58                      (function wl-draft-yank-to-draft-buffer))))
  59         (mime-preview-following-method-alist
  60          (list (cons 'mmelmo-original-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          (mime-display-header-hook 'wl-highlight-headers)
  76          mime-view-ignored-field-list ; all header.
  77          (mime-edit-translate-buffer-hook
  78           (append
  79            '((lambda ()
  80                (setq recipients-message
  81                      (concat "Recipients: "
  82                              (mapconcat
  83                               'identity
  84                               (wl-draft-deduce-address-list
  85                                (current-buffer)
  86                                (point-min)
  87                                (save-excursion
  88                                  (re-search-forward
  89                                   (concat "^"
  90                                           (regexp-quote mail-header-separator)
  91                                           "$")
  92                                   nil t)
  93                                  (point)))
  94                               ", ")))
  95                (run-hooks 'wl-draft-send-hook)))
  96            mime-edit-translate-buffer-hook)))
  97     (mime-edit-preview-message)
  98     (let ((buffer-read-only nil))
  99       (when wl-highlight-body-too
 100         (wl-highlight-body))
 101       (run-hooks 'wl-draft-preview-message-hook))
 102     (message recipients-message)))
 103
 104 (defalias 'wl-draft-caesar-region  'mule-caesar-region)
 105
 106 (defalias 'wl-draft-insert-message 'mime-edit-insert-message)
 107
 108 (defalias 'wl-draft-insert-mail 'mime-edit-insert-mail)
 109
 110 ;;; Message
 111
 112 (defun wl-message-decode-mode (outbuf inbuf)
 113   (let ((mime-view-content-header-filter-hook 'wl-highlight-headers)
 114         (mime-display-header-hook 'wl-highlight-headers))
 115     (mime-view-mode nil nil nil inbuf outbuf)))
 116
 117 (defun wl-message-decode-with-all-header (outbuf inbuf)
 118   (let ((mime-view-ignored-field-regexp "^:$")
 119         (mime-view-content-header-filter-hook 'wl-highlight-headers)
 120         (mime-display-header-hook 'wl-highlight-headers)
 121         mime-view-ignored-field-list)
 122     (mime-view-mode nil nil nil inbuf outbuf)))
 123
 124 (defun wl-message-delete-mime-out-buf ()
 125   (let (mime-out-buf mime-out-win)
 126     (if (setq mime-out-buf (get-buffer mime-echo-buffer-name))
 127         (if (setq mime-out-win (get-buffer-window mime-out-buf))
 128             (delete-window mime-out-win)))))
 129
 130 (defun wl-message-request-partial (folder number)
 131   (elmo-set-work-buf
 132    (elmo-read-msg-no-cache folder number (current-buffer))
 133 ;;;(mime-parse-buffer nil 'mime-buffer-entity)
 134    (mime-parse-buffer nil)))
 135
 136 (defalias 'wl-message-read            'mime-preview-scroll-up-entity)
 137 (defalias 'wl-message-next-content    'mime-preview-move-to-next)
 138 (defalias 'wl-message-prev-content    'mime-preview-move-to-previous)
 139 (defalias 'wl-message-play-content    'mime-preview-play-current-entity)
 140 (defalias 'wl-message-extract-content 'mime-preview-extract-current-entity)
 141 (defalias 'wl-message-quit            'mime-preview-quit)
 142 (defalias 'wl-message-button-dispatcher-internal
 143   'mime-button-dispatcher)
 144
 145 ;;; Summary
 146 (defun wl-summary-burst-subr (children target number)
 147   ;; returns new number.
 148   (let (content-type message-entity granch)
 149     (while children
 150       (setq content-type (mime-entity-content-type (car children)))
 151       (if (eq (cdr (assq 'type content-type)) 'multipart)
 152           (setq number (wl-summary-burst-subr
 153                         (mime-entity-children (car children))
 154                         target
 155                         number))
 156         (when (and (eq (cdr (assq 'type content-type)) 'message)
 157                    (eq (cdr (assq 'subtype content-type)) 'rfc822))
 158           (message (format "Bursting...%s" (setq number (+ 1 number))))
 159           (setq message-entity
 160                 (car (mime-entity-children (car children))))
 161           (elmo-append-msg target
 162                            (mime-entity-body (car children))
 163                            (mime-entity-fetch-field message-entity
 164                                                     "Message-ID"))))
 165       (setq children (cdr children)))
 166     number))
 167
 168 (defun wl-summary-burst ()
 169   ""
 170   (interactive)
 171   (let ((raw-buf (wl-message-get-original-buffer))
 172         children message-entity content-type target)
 173     (save-excursion
 174       (setq target wl-summary-buffer-folder-name)
 175       (while (not (elmo-folder-writable-p target))
 176         (setq target
 177               (wl-summary-read-folder wl-default-folder "to extract to")))
 178       (wl-summary-set-message-buffer-or-redisplay)
 179       (save-excursion
 180         (set-buffer (get-buffer wl-message-buf-name))
 181         (setq message-entity (get-text-property (point-min) 'mime-view-entity)))
 182       (set-buffer raw-buf)
 183       (setq children (mime-entity-children message-entity))
 184       (when children
 185         (message "Bursting...")
 186         (wl-summary-burst-subr children target 0)
 187         (message "Bursting...done"))
 188       (if (elmo-folder-plugged-p target)
 189           (elmo-commit target)))
 190     (wl-summary-sync-update3)))
 191
 192 ;; internal variable.
 193 (defvar wl-mime-save-dir nil "Last saved directory.")
 194 ;;; Yet another save method.
 195 (defun wl-mime-save-content (entity situation)
 196   (let ((filename (read-file-name "Save to file: "
 197                                   (expand-file-name
 198                                    (or (mime-entity-safe-filename entity)
 199                                        ".")
 200                                    (or wl-mime-save-dir
 201                                        wl-tmp-dir)))))
 202     (while (file-directory-p filename)
 203       (setq filename (read-file-name "Please set filename (not directory): "
 204                                      filename)))
 205     (if (file-exists-p filename)
 206         (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
 207             (error "Not saved")))
 208     (setq wl-mime-save-dir (file-name-directory filename))
 209     (mime-write-entity-content entity filename)))
 210
 211 ;;; Yet another combine method.
 212 (defun wl-mime-combine-message/partial-pieces (entity situation)
 213   "Internal method for wl to combine message/partial messages automatically."
 214   (interactive)
 215   (let* ((msgdb (save-excursion
 216                   (set-buffer wl-message-buffer-cur-summary-buffer)
 217                   wl-summary-buffer-msgdb))
 218          (mime-display-header-hook 'wl-highlight-headers)
 219          (folder wl-message-buffer-cur-folder)
 220          (id (or (cdr (assoc "id" situation)) ""))
 221          (mother (current-buffer))
 222          subject-id overviews
 223          (root-dir (expand-file-name
 224                     (concat "m-prts-" (user-login-name))
 225                     temporary-file-directory))
 226          full-file)
 227     (setq root-dir (concat root-dir "/" (replace-as-filename id)))
 228     (setq full-file (concat root-dir "/FULL"))
 229     (if (or (file-exists-p full-file)
 230             (not (y-or-n-p "Merge partials? ")))
 231         (with-current-buffer mother
 232           (mime-store-message/partial-piece entity situation))
 233       (setq subject-id
 234             (eword-decode-string
 235              (decode-mime-charset-string
 236               (mime-entity-read-field entity 'Subject)
 237               wl-summary-buffer-mime-charset)))
 238       (if (string-match "[0-9\n]+" subject-id)
 239           (setq subject-id (substring subject-id 0 (match-beginning 0))))
 240       (setq overviews (elmo-msgdb-get-overview msgdb))
 241       (catch 'tag
 242         (while overviews
 243           (when (string-match
 244                  (regexp-quote subject-id)
 245                  (elmo-msgdb-overview-entity-get-subject (car overviews)))
 246             (let* ((message
 247                     ;; request message at the cursor in Subject buffer.
 248                     (wl-message-request-partial
 249                      folder
 250                      (elmo-msgdb-overview-entity-get-number (car overviews))))
 251                    (situation (mime-entity-situation message))
 252                    (the-id (or (cdr (assoc "id" situation)) "")))
 253               (when (string= (downcase the-id)
 254                              (downcase id))
 255                 (with-current-buffer mother
 256                   (mime-store-message/partial-piece message situation))
 257                 (if (file-exists-p full-file)
 258                     (throw 'tag nil)))))
 259           (setq overviews (cdr overviews)))
 260         (message "Not all partials found.")))))
 261
 262 (defun wl-mime-header-presentation-method (entity situation)
 263   (let ((mmelmo-sort-field-list wl-message-sort-field-list))
 264     (mime-insert-header entity
 265                         wl-message-ignored-field-list
 266                         wl-message-visible-field-list)
 267     (wl-highlight-headers)))
 268
 269 ;;; Setup methods.
 270 (defun wl-mime-setup ()
 271   (set-alist 'mime-preview-quitting-method-alist
 272              'mmelmo-original-mode 'wl-message-exit)
 273   (set-alist 'mime-view-over-to-previous-method-alist
 274              'mmelmo-original-mode 'wl-message-exit)
 275   (set-alist 'mime-view-over-to-next-method-alist
 276              'mmelmo-original-mode 'wl-message-exit)
 277   (set-alist 'mime-preview-over-to-previous-method-alist
 278              'mmelmo-original-mode 'wl-message-exit)
 279   (set-alist 'mime-preview-over-to-next-method-alist
 280              'mmelmo-original-mode 'wl-message-exit)
 281   (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-mime-out-buf)
 282   (add-hook 'wl-message-exit-hook 'wl-message-delete-mime-out-buf)
 283
 284   (ctree-set-calist-strictly
 285    'mime-acting-condition
 286    '((type . message) (subtype . partial)
 287      (method .  wl-mime-combine-message/partial-pieces)
 288      (request-partial-message-method . wl-message-request-partial)
 289      (major-mode . mmelmo-original-mode)))
 290   (ctree-set-calist-strictly
 291    'mime-acting-condition
 292    '((mode . "extract")
 293      (major-mode . mmelmo-original-mode)
 294      (method . wl-mime-save-content)))
 295   (set-alist 'mime-preview-following-method-alist
 296              'mmelmo-original-mode
 297              (function wl-message-follow-current-entity))
 298   (set-alist 'mime-view-following-method-alist
 299              'mmelmo-original-mode
 300              (function wl-message-follow-current-entity))
 301   (set-alist 'mime-edit-message-inserter-alist
 302              'wl-draft-mode (function wl-draft-insert-current-message))
 303   (set-alist 'mime-edit-mail-inserter-alist
 304              'wl-draft-mode (function wl-draft-insert-get-message))
 305   (set-alist 'mime-edit-split-message-sender-alist
 306              'wl-draft-mode
 307              (cdr (assq 'mail-mode mime-edit-split-message-sender-alist)))
 308   (set-alist 'mime-raw-representation-type-alist
 309              'mmelmo-original-mode 'binary)
 310   ;; Sort and highlight header fields.
 311   (or wl-message-ignored-field-list
 312       (setq wl-message-ignored-field-list
 313             mime-view-ignored-field-list))
 314   (or wl-message-visible-field-list
 315       (setq wl-message-visible-field-list
 316             mime-view-visible-field-list))
 317   (set-alist 'mime-header-presentation-method-alist
 318              'mmelmo-original-mode
 319              (function wl-mime-header-presentation-method))
 320   (add-hook 'mmelmo-entity-content-inserted-hook 'wl-highlight-body))
 321
 322
 323 (require 'product)
 324 (product-provide (provide 'wl-mime) (require 'wl-version))
 325
 326 ;;; wl-mime.el ends here