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