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