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          (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            (list
  81             (function
  82              (lambda ()
  83                (let ((wl-draft-config-exec-flag config-exec-flag))
  84                  (run-hooks 'wl-draft-send-hook)
  85                  (setq recipients-message
  86                        (concat "Recipients: "
  87                                (mapconcat
  88                                 'identity
  89                                 (wl-draft-deduce-address-list
  90                                  (current-buffer)
  91                                  (point-min)
  92                                  (save-excursion
  93                                    (goto-char (point-min))
  94                                    (re-search-forward
  95                                     (concat
  96                                      "^"
  97                                      (regexp-quote mail-header-separator)
  98                                      "$")
  99                                     nil t)
 100                                    (point)))
 101                                 ", ")))))))
 102            mime-edit-translate-buffer-hook)))
 103     (mime-edit-preview-message)
 104     (let ((buffer-read-only nil))
 105       (when wl-highlight-body-too
 106         (wl-highlight-body))
 107       (run-hooks 'wl-draft-preview-message-hook))
 108     (message recipients-message)))
 109
 110 (defalias 'wl-draft-caesar-region  'mule-caesar-region)
 111
 112 (defalias 'wl-draft-insert-message 'mime-edit-insert-message)
 113
 114 (defalias 'wl-draft-insert-mail 'mime-edit-insert-mail)
 115
 116 ;;; Message
 117
 118 (defun wl-message-decode-mode (outbuf inbuf)
 119   (let ((mime-view-content-header-filter-hook 'wl-highlight-headers)
 120         (mime-display-header-hook 'wl-highlight-headers))
 121     (mime-view-mode nil nil nil inbuf outbuf)))
 122
 123 (defun wl-message-decode-with-all-header (outbuf inbuf)
 124   (let ((mime-view-ignored-field-regexp "^:$")
 125         (mime-view-content-header-filter-hook 'wl-highlight-headers)
 126         (mime-display-header-hook 'wl-highlight-headers)
 127         mime-view-ignored-field-list)
 128     (mime-view-mode nil nil nil inbuf outbuf)))
 129
 130 (defun wl-message-delete-mime-out-buf ()
 131   (let (mime-out-buf mime-out-win)
 132     (if (setq mime-out-buf (get-buffer mime-echo-buffer-name))
 133         (if (setq mime-out-win (get-buffer-window mime-out-buf))
 134             (delete-window mime-out-win)))))
 135
 136 (defun wl-message-request-partial (folder number)
 137   (elmo-set-work-buf
 138    (elmo-read-msg-no-cache folder number (current-buffer))
 139 ;;;(mime-parse-buffer nil 'mime-buffer-entity)
 140    (mime-parse-buffer nil)))
 141
 142 (defalias 'wl-message-read            'mime-preview-scroll-up-entity)
 143 (defalias 'wl-message-next-content    'mime-preview-move-to-next)
 144 (defalias 'wl-message-prev-content    'mime-preview-move-to-previous)
 145 (defalias 'wl-message-play-content    'mime-preview-play-current-entity)
 146 (defalias 'wl-message-extract-content 'mime-preview-extract-current-entity)
 147 (defalias 'wl-message-quit            'mime-preview-quit)
 148 (defalias 'wl-message-button-dispatcher-internal
 149   'mime-button-dispatcher)
 150
 151 ;;; Summary
 152 (defun wl-summary-burst-subr (children target number)
 153   ;; returns new number.
 154   (let (content-type message-entity granch)
 155     (while children
 156       (setq content-type (mime-entity-content-type (car children)))
 157       (if (eq (cdr (assq 'type content-type)) 'multipart)
 158           (setq number (wl-summary-burst-subr
 159                         (mime-entity-children (car children))
 160                         target
 161                         number))
 162         (when (and (eq (cdr (assq 'type content-type)) 'message)
 163                    (eq (cdr (assq 'subtype content-type)) 'rfc822))
 164           (message (format "Bursting...%s" (setq number (+ 1 number))))
 165           (setq message-entity
 166                 (car (mime-entity-children (car children))))
 167           (elmo-append-msg target
 168                            (mime-entity-body (car children))
 169                            (mime-entity-fetch-field message-entity
 170                                                     "Message-ID"))))
 171       (setq children (cdr children)))
 172     number))
 173
 174 (defun wl-summary-burst ()
 175   ""
 176   (interactive)
 177   (let ((raw-buf (wl-message-get-original-buffer))
 178         children message-entity content-type target)
 179     (save-excursion
 180       (setq target wl-summary-buffer-folder-name)
 181       (while (not (elmo-folder-writable-p target))
 182         (setq target
 183               (wl-summary-read-folder wl-default-folder "to extract to")))
 184       (wl-summary-set-message-buffer-or-redisplay)
 185       (save-excursion
 186         (set-buffer (get-buffer wl-message-buf-name))
 187         (setq message-entity (get-text-property (point-min) 'mime-view-entity)))
 188       (set-buffer raw-buf)
 189       (setq children (mime-entity-children message-entity))
 190       (when children
 191         (message "Bursting...")
 192         (wl-summary-burst-subr children target 0)
 193         (message "Bursting...done"))
 194       (if (elmo-folder-plugged-p target)
 195           (elmo-commit target)))
 196     (wl-summary-sync-update3)))
 197
 198 ;; internal variable.
 199 (defvar wl-mime-save-dir nil "Last saved directory.")
 200 ;;; Yet another save method.
 201 (defun wl-mime-save-content (entity situation)
 202   (let ((filename (read-file-name "Save to file: "
 203                                   (expand-file-name
 204                                    (or (mime-entity-safe-filename entity)
 205                                        ".")
 206                                    (or wl-mime-save-dir
 207                                        wl-tmp-dir)))))
 208     (while (file-directory-p filename)
 209       (setq filename (read-file-name "Please set filename (not directory): "
 210                                      filename)))
 211     (if (file-exists-p filename)
 212         (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
 213             (error "Not saved")))
 214     (setq wl-mime-save-dir (file-name-directory filename))
 215     (mime-write-entity-content entity filename)))
 216
 217 ;;; Yet another combine method.
 218 (defun wl-mime-combine-message/partial-pieces (entity situation)
 219   "Internal method for wl to combine message/partial messages automatically."
 220   (interactive)
 221   (let* ((msgdb (save-excursion
 222                   (set-buffer wl-message-buffer-cur-summary-buffer)
 223                   wl-summary-buffer-msgdb))
 224          (mime-display-header-hook 'wl-highlight-headers)
 225          (folder wl-message-buffer-cur-folder)
 226          (id (or (cdr (assoc "id" situation)) ""))
 227          (mother (current-buffer))
 228          subject-id overviews
 229          (root-dir (expand-file-name
 230                     (concat "m-prts-" (user-login-name))
 231                     temporary-file-directory))
 232          full-file)
 233     (setq root-dir (concat root-dir "/" (replace-as-filename id)))
 234     (setq full-file (concat root-dir "/FULL"))
 235     (if (or (file-exists-p full-file)
 236             (not (y-or-n-p "Merge partials? ")))
 237         (with-current-buffer mother
 238           (mime-store-message/partial-piece entity situation))
 239       (setq subject-id
 240             (eword-decode-string
 241              (decode-mime-charset-string
 242               (mime-entity-read-field entity 'Subject)
 243               wl-summary-buffer-mime-charset)))
 244       (if (string-match "[0-9\n]+" subject-id)
 245           (setq subject-id (substring subject-id 0 (match-beginning 0))))
 246       (setq overviews (elmo-msgdb-get-overview msgdb))
 247       (catch 'tag
 248         (while overviews
 249           (when (string-match
 250                  (regexp-quote subject-id)
 251                  (elmo-msgdb-overview-entity-get-subject (car overviews)))
 252             (let* ((message
 253                     ;; request message at the cursor in Subject buffer.
 254                     (wl-message-request-partial
 255                      folder
 256                      (elmo-msgdb-overview-entity-get-number (car overviews))))
 257                    (situation (mime-entity-situation message))
 258                    (the-id (or (cdr (assoc "id" situation)) "")))
 259               (when (string= (downcase the-id)
 260                              (downcase id))
 261                 (with-current-buffer mother
 262                   (mime-store-message/partial-piece message situation))
 263                 (if (file-exists-p full-file)
 264                     (throw 'tag nil)))))
 265           (setq overviews (cdr overviews)))
 266         (message "Not all partials found.")))))
 267
 268 (defun wl-mime-header-presentation-method (entity situation)
 269   (let ((mmelmo-sort-field-list wl-message-sort-field-list))
 270     (mime-insert-header entity
 271                         wl-message-ignored-field-list
 272                         wl-message-visible-field-list)
 273     (wl-highlight-headers)))
 274
 275 ;;; Setup methods.
 276 (defun wl-mime-setup ()
 277   (set-alist 'mime-preview-quitting-method-alist
 278              'mmelmo-original-mode 'wl-message-exit)
 279   (set-alist 'mime-view-over-to-previous-method-alist
 280              'mmelmo-original-mode 'wl-message-exit)
 281   (set-alist 'mime-view-over-to-next-method-alist
 282              'mmelmo-original-mode 'wl-message-exit)
 283   (set-alist 'mime-preview-over-to-previous-method-alist
 284              'mmelmo-original-mode 'wl-message-exit)
 285   (set-alist 'mime-preview-over-to-next-method-alist
 286              'mmelmo-original-mode 'wl-message-exit)
 287   (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-mime-out-buf)
 288   (add-hook 'wl-message-exit-hook 'wl-message-delete-mime-out-buf)
 289
 290   (ctree-set-calist-strictly
 291    'mime-acting-condition
 292    '((type . message) (subtype . partial)
 293      (method .  wl-mime-combine-message/partial-pieces)
 294      (request-partial-message-method . wl-message-request-partial)
 295      (major-mode . mmelmo-original-mode)))
 296   (ctree-set-calist-strictly
 297    'mime-acting-condition
 298    '((mode . "extract")
 299      (major-mode . mmelmo-original-mode)
 300      (method . wl-mime-save-content)))
 301   (set-alist 'mime-preview-following-method-alist
 302              'mmelmo-original-mode
 303              (function wl-message-follow-current-entity))
 304   (set-alist 'mime-view-following-method-alist
 305              'mmelmo-original-mode
 306              (function wl-message-follow-current-entity))
 307   (set-alist 'mime-edit-message-inserter-alist
 308              'wl-draft-mode (function wl-draft-insert-current-message))
 309   (set-alist 'mime-edit-mail-inserter-alist
 310              'wl-draft-mode (function wl-draft-insert-get-message))
 311   (set-alist 'mime-edit-split-message-sender-alist
 312              'wl-draft-mode
 313              (cdr (assq 'mail-mode mime-edit-split-message-sender-alist)))
 314   (set-alist 'mime-raw-representation-type-alist
 315              'mmelmo-original-mode 'binary)
 316   ;; Sort and highlight header fields.
 317   (or wl-message-ignored-field-list
 318       (setq wl-message-ignored-field-list
 319             mime-view-ignored-field-list))
 320   (or wl-message-visible-field-list
 321       (setq wl-message-visible-field-list
 322             mime-view-visible-field-list))
 323   (set-alist 'mime-header-presentation-method-alist
 324              'mmelmo-original-mode
 325              (function wl-mime-header-presentation-method))
 326   (add-hook 'mmelmo-entity-content-inserted-hook 'wl-highlight-body))
 327
 328
 329 (require 'product)
 330 (product-provide (provide 'wl-mime) (require 'wl-version))
 331
 332 ;;; wl-mime.el ends here