add iso-8859-14 also
[elisp/semi.git] / mime-play.el
index 41b6154..a96934e 100644 (file)
@@ -1,8 +1,8 @@
 ;;; mime-play.el --- Playback processing module for mime-view.el
 
-;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1994,95,96,97,98,99,2000 Free Software Foundation, Inc.
 
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
 ;; Created: 1995/9/26 (separated from tm-view.el)
 ;;     Renamed: 1997/2/21 from tm-play.el
 ;; Keywords: MIME, multimedia, mail, news
 (require 'filename)
 
 (eval-when-compile
-  (require 'mime-text)
   (condition-case nil
       (require 'bbdb)
-    (error (defvar bbdb-buffer-name nil))
-    ))
+    (error (defvar bbdb-buffer-name nil)))
+  )
+
+(defcustom mime-save-directory "~/"
+  "*Name of the directory where MIME entity will be saved in.
+If t, it means current directory."
+  :group 'mime-view
+  :type '(choice (const :tag "Current directory" t)
+                (directory)))
+
+(defvar mime-play-find-every-situations t
+  "*Find every available situations if non-nil.")
+
+(defvar mime-play-messages-coding-system nil
+  "Coding system to be used for external MIME playback method.")
+
 
-(defvar mime-acting-situation-examples nil)
-
-(defun mime-save-acting-situation-examples ()
-  (let* ((file mime-acting-situation-examples-file)
-        (buffer (get-buffer-create " *mime-example*")))
-    (unwind-protect
-        (save-excursion
-          (set-buffer buffer)
-          (setq buffer-file-name file)
-          (erase-buffer)
-          (insert ";;; " (file-name-nondirectory file) "\n")
-          (insert "\n;; This file is generated automatically by "
-                  mime-view-version-string "\n\n")
-         (insert ";;; Code:\n\n")
-         (pp `(setq mime-acting-situation-examples
-                    ',mime-acting-situation-examples)
-             (current-buffer))
-         (insert "\n;;; "
-                  (file-name-nondirectory file)
-                  " ends here.\n")
-          (save-buffer))
-      (kill-buffer buffer))))
-
-(add-hook 'kill-emacs-hook 'mime-save-acting-situation-examples)
-
-  
 ;;; @ content decoder
 ;;;
 
-(defvar mime-preview-after-decoded-position nil)
-
-(defun mime-preview-play-current-entity (&optional mode)
+;;;###autoload
+(defun mime-preview-play-current-entity (&optional ignore-examples mode)
   "Play current entity.
 It decodes current entity to call internal or external method.  The
 method is selected from variable `mime-acting-condition'.
+If IGNORE-EXAMPLES (C-u prefix) is specified, this function ignores
+`mime-acting-situation-example-list'.
 If MODE is specified, play as it.  Default MODE is \"play\"."
-  (interactive)
-  (or mode
-      (setq mode "play"))
+  (interactive "P")
   (let ((entity (get-text-property (point) 'mime-view-entity)))
     (if entity
-       (let ((the-buf (current-buffer))
-             (raw-buffer (mime-entity-buffer entity)))
-         (setq mime-preview-after-decoded-position (point))
-         (set-buffer raw-buffer)
-         (mime-raw-play-entity entity mode)
-         (when (eq (current-buffer) raw-buffer)
-           (set-buffer the-buf)
-           (goto-char mime-preview-after-decoded-position)
-           )))))
-
-(defun mime-sort-situation (situation)
-  (sort situation
-       #'(lambda (a b)
-           (let ((a-t (car a))
-                 (b-t (car b))
-                 (order '((type . 1)
-                          (subtype . 2)
-                          (mode . 3)
-                          (major-mode . 4)))
-                 a-order b-order)
-             (if (symbolp a-t)
-                 (let ((ret (assq a-t order)))
-                   (if ret
-                       (setq a-order (cdr ret))
-                     (setq a-order 5)
-                     ))
-               (setq a-order 6)
-               )
-             (if (symbolp b-t)
-                 (let ((ret (assq b-t order)))
-                   (if ret
-                       (setq b-order (cdr ret))
-                     (setq b-order 5)
-                     ))
-               (setq b-order 6)
-               )
-             (if (= a-order b-order)
-                 (string< (format "%s" a-t)(format "%s" b-t))
-               (< a-order b-order))
-             )))
-  )
-
-(defsubst mime-delq-null-situation (situations field)
-  (let (dest)
-    (while situations
-      (let ((situation (car situations)))
-       (if (assq field situation)
-           (setq dest (cons situation dest))
-         ))
-      (setq situations (cdr situations)))
-    dest))
-
-(defun mime-raw-play-entity (entity &optional mode)
+       (let ((situation
+              (get-text-property (point) 'mime-view-situation)))
+         (or mode
+             (setq mode "play"))
+         (setq situation 
+               (if (assq 'mode situation)
+                   (put-alist 'mode mode (copy-alist situation))
+                 (cons (cons 'mode mode)
+                       situation)))
+         (if ignore-examples
+             (setq situation
+                   (cons (cons 'ignore-examples ignore-examples)
+                         situation)))
+         (mime-play-entity entity situation)
+         ))))
+
+;;;###autoload
+(defun mime-play-entity (entity &optional situation ignored-method)
   "Play entity specified by ENTITY.
 It decodes the entity to call internal or external method.  The method
 is selected from variable `mime-acting-condition'.  If MODE is
 specified, play as it.  Default MODE is \"play\"."
-  (let (method cal ret)
-    (setq cal (mime-entity-situation entity))
-    (if mode
-       (setq cal (cons (cons 'mode mode) cal))
-      )
-    (setq ret
-         (or (ctree-match-calist mime-acting-situation-examples cal)
-             (ctree-match-calist-partially mime-acting-situation-examples
-                                           cal)
-             cal))
-    (setq ret
-         (or (mime-delq-null-situation
-              (ctree-find-calist mime-acting-condition ret
-                                 mime-view-find-every-acting-situation)
-              'method)
-             (mime-delq-null-situation
-              (ctree-find-calist mime-acting-condition cal
-                                 mime-view-find-every-acting-situation)
-              'method)
-             ))
+  (let ((ret
+        (mime-unify-situations (mime-entity-situation entity situation)
+                               mime-acting-condition
+                               mime-acting-situation-example-list
+                               'method ignored-method
+                               mime-play-find-every-situations))
+       method)
+    (setq mime-acting-situation-example-list (cdr ret)
+         ret (car ret))
     (cond ((cdr ret)
-          (setq ret (select-menu-alist
+          (setq ret (mime-select-menu-alist
                      "Methods"
                      (mapcar (function
                               (lambda (situation)
@@ -166,7 +106,7 @@ specified, play as it.  Default MODE is \"play\"."
                                  situation)))
                              ret)))
           (setq ret (mime-sort-situation ret))
-          (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
+          (add-to-list 'mime-acting-situation-example-list (cons ret 0))
           )
          (t
           (setq ret (car ret))
@@ -184,7 +124,11 @@ specified, play as it.  Default MODE is \"play\"."
           ;;  )
          (t
           (mime-show-echo-buffer "No method are specified for %s\n"
-                                 (mime-entity-type/subtype entity))
+                                 (mime-type/subtype-string
+                                  (cdr (assq 'type situation))
+                                  (cdr (assq 'subtype situation))))
+          (if (y-or-n-p "Do you want to save current entity to disk?")
+              (mime-save-content entity situation))
           ))
     ))
 
@@ -195,87 +139,37 @@ specified, play as it.  Default MODE is \"play\"."
 (defvar mime-mailcap-method-filename-alist nil)
 
 (defun mime-activate-mailcap-method (entity situation)
-  (save-excursion
-    (save-restriction
-      (let ((start (mime-entity-point-min entity))
-           (end (mime-entity-point-max entity)))
-       (narrow-to-region start end)
-       (goto-char start)
-       (let ((method (cdr (assoc 'method situation)))
-             (name (expand-file-name (mime-raw-get-filename situation)
-                                     mime-temp-directory)))
-         (mime-write-decoded-region (mime-entity-body-start entity) end
-                                    name (cdr (assq 'encoding situation)))
-         (message "External method is starting...")
-         (let ((process
-                (let ((command
-                       (mailcap-format-command
-                        method
-                        (cons (cons 'filename name) situation))))
-                  (start-process command mime-echo-buffer-name
-                                 shell-file-name shell-command-switch command)
-                  )))
-           (set-alist 'mime-mailcap-method-filename-alist process name)
-           (set-process-sentinel process 'mime-mailcap-method-sentinel)
-           )
-         )))))
+  (let ((method (cdr (assoc 'method situation)))
+       (name (mime-entity-safe-filename entity)))
+    (setq name (expand-file-name (if (and name (not (string= name "")))
+                                    name
+                                  (make-temp-name "EMI"))
+                                (make-temp-file "EMI" 'directory)))
+    (mime-write-entity-content entity name)
+    (message "External method is starting...")
+    (let ((process
+          (let ((command
+                 (mime-format-mailcap-command
+                  method
+                  (cons (cons 'filename name) situation))))
+            (binary-to-text-funcall
+             mime-play-messages-coding-system
+             #'start-process command mime-echo-buffer-name
+             shell-file-name shell-command-switch command))))
+      (set-alist 'mime-mailcap-method-filename-alist process name)
+      (set-process-sentinel process 'mime-mailcap-method-sentinel))))
 
 (defun mime-mailcap-method-sentinel (process event)
   (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
-    (if (file-exists-p file)
+    (when (file-exists-p file)
+      (ignore-errors
        (delete-file file)
-      ))
+       (delete-directory (file-name-directory file)))))
   (remove-alist 'mime-mailcap-method-filename-alist process)
-  (message (format "%s %s" process event)))
-
-;; (defun mime-activate-external-method (entity cal)
-;;   (save-excursion
-;;     (save-restriction
-;;       (let ((beg (mime-entity-point-min entity))
-;;             (end (mime-entity-point-max entity)))
-;;         (narrow-to-region beg end)
-;;         (goto-char beg)
-;;         (let ((method (cdr (assoc 'method cal)))
-;;               (name (mime-raw-get-filename cal)))
-;;           (if method
-;;               (let ((file (make-temp-name
-;;                            (expand-file-name "TM" mime-temp-directory)))
-;;                     b args)
-;;                 (if (nth 1 method)
-;;                     (setq b beg)
-;;                   (setq b (mime-entity-body-start entity)))
-;;                 (goto-char b)
-;;                 (write-region b end file)
-;;                 (message "External method is starting...")
-;;                 (setq cal (put-alist
-;;                            'name (replace-as-filename name) cal))
-;;                 (setq cal (put-alist 'file file cal))
-;;                 (setq args (nconc
-;;                             (list (car method)
-;;                                   mime-echo-buffer-name (car method))
-;;                             (mime-make-external-method-args
-;;                              cal (cdr (cdr method)))
-;;                             ))
-;;                 (apply (function start-process) args)
-;;                 (mime-show-echo-buffer)
-;;                 ))
-;;           )))))
-
-;; (defun mime-make-external-method-args (cal format)
-;;   (mapcar (function
-;;            (lambda (arg)
-;;              (if (stringp arg)
-;;                  arg
-;;                (let* ((item (eval arg))
-;;                       (ret (cdr (assoc item cal))))
-;;                  (or ret
-;;                      (if (eq item 'encoding)
-;;                          "7bit"
-;;                        ""))
-;;                  ))))
-;;           format))
-
-(defvar mime-echo-window-is-shared-with-bbdb t
+  (message "%s %s" process event))
+
+(defvar mime-echo-window-is-shared-with-bbdb
+  (module-installed-p 'bbdb)
   "*If non-nil, mime-echo window is shared with BBDB window.")
 
 (defvar mime-echo-window-height
@@ -293,28 +187,29 @@ window.")
   "Show mime-echo buffer to display MIME-playing information."
   (get-buffer-create mime-echo-buffer-name)
   (let ((the-win (selected-window))
-       (win (get-buffer-window mime-echo-buffer-name))
+       (win (get-buffer-window mime-echo-buffer-name)))
+    (unless win
+      (unless (and mime-echo-window-is-shared-with-bbdb
+                  (condition-case nil
+                      (setq win (get-buffer-window bbdb-buffer-name))
+                    (error nil)))
+       (select-window (get-buffer-window (or mime-preview-buffer
+                                             (current-buffer))))
+       (setq win (split-window-vertically
+                  (- (window-height)
+                     (if (functionp mime-echo-window-height)
+                         (funcall mime-echo-window-height)
+                       mime-echo-window-height)
+                     )))
        )
-    (or win
-       (if (and mime-echo-window-is-shared-with-bbdb
-                (boundp 'bbdb-buffer-name)
-                (setq win (get-buffer-window bbdb-buffer-name))
-                )
-           (set-window-buffer win mime-echo-buffer-name)
-         (select-window (get-buffer-window mime-preview-buffer))
-         (setq win (split-window-vertically
-                    (- (window-height)
-                       (if (functionp mime-echo-window-height)
-                           (funcall mime-echo-window-height)
-                         mime-echo-window-height)
-                       )))
-         (set-window-buffer win mime-echo-buffer-name)
-         ))
+      (set-window-buffer win mime-echo-buffer-name)
+      )
     (select-window win)
     (goto-char (point-max))
     (if forms
-       (insert (apply (function format) forms))
-      )
+       (let ((buffer-read-only nil))
+         (insert (apply (function format) forms))
+         ))
     (select-window the-win)
     ))
 
@@ -332,70 +227,87 @@ window.")
   (concat (regexp-* mime-view-file-name-char-regexp)
          "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
 
-(defun mime-raw-get-original-filename (param)
-  (or (if (member (cdr (assq 'encoding param))
-                 mime-view-uuencode-encoding-name-list)
-         (mime-raw-get-uu-filename))
-      (let (ret)
-       (or (if (or (and (setq ret (mime-read-Content-Disposition))
-                        (setq ret
-                              (assoc
-                               "filename"
-                               (mime-content-disposition-parameters ret)))
-                        )
-                   (setq ret (assoc "name" param))
-                   (setq ret (assoc "x-name" param))
-                   )
-               (std11-strip-quoted-string (cdr ret))
-             )
-           (if (setq ret
-                     (std11-find-field-body '("Content-Description"
-                                              "Subject")))
-               (if (or (string-match mime-view-file-name-regexp-1 ret)
-                       (string-match mime-view-file-name-regexp-2 ret))
-                   (substring ret (match-beginning 0)(match-end 0))
-                 ))
-           ))
-      ))
-
-(defun mime-raw-get-filename (param)
-  (replace-as-filename (mime-raw-get-original-filename param))
-  )
+(defun mime-entity-safe-filename (entity)
+  (let ((filename
+        (or (mime-entity-filename entity)
+            (let ((subj
+                   (or (mime-entity-read-field entity 'Content-Description)
+                       (mime-entity-read-field entity 'Subject))))
+              (if (and subj
+                       (or (string-match mime-view-file-name-regexp-1 subj)
+                           (string-match mime-view-file-name-regexp-2 subj)))
+                  (substring subj (match-beginning 0)(match-end 0))
+                )))))
+    (if filename
+       (replace-as-filename filename)
+      )))
 
 
 ;;; @ file extraction
 ;;;
 
-(defun mime-method-to-save (entity cal)
-  (let ((beg (mime-entity-point-min entity))
-       (end (mime-entity-point-max entity)))
-    (goto-char beg)
-    (let* ((name (save-restriction
-                  (narrow-to-region beg end)
-                  (mime-raw-get-filename cal)
-                  ))
-          (encoding (or (cdr (assq 'encoding cal)) "7bit"))
-          (filename (if (and name (not (string-equal name "")))
-                        (expand-file-name name
-                                          (save-window-excursion
-                                            (call-interactively
-                                             (function
-                                              (lambda (dir)
-                                                (interactive "DDirectory: ")
-                                                dir)))))
-                      (save-window-excursion
-                        (call-interactively
-                         (function
-                          (lambda (file)
-                            (interactive "FFilename: ")
-                            (expand-file-name file)))))))
-          )
-      (if (file-exists-p filename)
-         (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
-             (error "")))
-      (re-search-forward "\n\n")
-      (mime-write-decoded-region (match-end 0) end filename encoding)
-      )))
+(defun mime-save-content (entity situation)
+  (let ((name (or (mime-entity-safe-filename entity)
+                 (format "%s" (mime-entity-media-type entity))))
+       (dir (if (eq t mime-save-directory)
+                default-directory
+              mime-save-directory))
+       filename)
+    (setq filename (read-file-name
+                   (concat "File name: (default "
+                           (file-name-nondirectory name) ") ")
+                   dir
+                   (concat (file-name-as-directory dir)
+                           (file-name-nondirectory name))))
+    (if (file-directory-p filename)
+       (setq filename (concat (file-name-as-directory filename)
+                              (file-name-nondirectory name))))
+    (if (file-exists-p filename)
+       (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
+           (error "")))
+    (mime-write-entity-content entity (expand-file-name filename))
+    ))
+
+
+;;; @ file detection
+;;;
+
+(defvar mime-magic-type-alist
+  '(("^\377\330\377[\340\356]..JFIF"   image jpeg)
+    ("^\211PNG"                                image png)
+    ("^GIF8[79]"                       image gif)
+    ("^II\\*\000"                      image tiff)
+    ("^MM\000\\*"                      image tiff)
+    ("^MThd"                           audio midi)
+    ("^\000\000\001\263"               video mpeg)
+    )
+  "*Alist of regexp about magic-number vs. corresponding media-types.
+Each element looks like (REGEXP TYPE SUBTYPE).
+REGEXP is a regular expression to match against the beginning of the
+content of entity.
+TYPE is symbol to indicate primary type of media-type.
+SUBTYPE is symbol to indicate subtype of media-type.")
+
+(defun mime-detect-content (entity situation)
+  (let (type subtype)
+    (let ((mdata (mime-entity-content entity))
+         (rest mime-magic-type-alist))
+      (while (not (let ((cell (car rest)))
+                   (if cell
+                       (if (string-match (car cell) mdata)
+                           (setq type (nth 1 cell)
+                                 subtype (nth 2 cell))
+                         )
+                     t)))
+       (setq rest (cdr rest))))
+    (setq situation (del-alist 'method (copy-alist situation)))
+    (mime-play-entity entity
+                     (if type
+                         (put-alist 'type type
+                                    (put-alist 'subtype subtype
+                                               situation))
+                       situation)
+                     'mime-detect-content)))
 
 
 ;;; @ mail/news message
@@ -405,99 +317,99 @@ window.")
   "Quitting method for mime-view.
 It is registered to variable `mime-preview-quitting-method-alist'."
   (let ((mother mime-mother-buffer)
-       (win-conf mime-preview-original-window-configuration)
-       )
-    (kill-buffer mime-raw-buffer)
+       (win-conf mime-preview-original-window-configuration))
+    (if (and (boundp 'mime-view-temp-message-buffer)
+            (buffer-live-p mime-view-temp-message-buffer))
+       (kill-buffer mime-view-temp-message-buffer))
     (mime-preview-kill-buffer)
     (set-window-configuration win-conf)
-    (pop-to-buffer mother)
-    ))
-
-(defun mime-method-to-display-message/rfc822 (entity cal)
-  (let* ((beg (mime-entity-point-min entity))
-        (end (mime-entity-point-max entity))
-        (cnum (mime-raw-point-to-entity-number beg))
-        (new-name (format "%s-%s" (buffer-name) cnum))
-        (mother mime-preview-buffer)
-        (representation-type
-         (cdr (or (assq major-mode mime-raw-representation-type-alist)
-                  (assq t mime-raw-representation-type-alist))))
-        str)
-    (setq str (buffer-substring beg end))
-    (switch-to-buffer new-name)
-    (erase-buffer)
-    (insert str)
-    (goto-char (point-min))
-    (if (re-search-forward "^\n" nil t)
-       (delete-region (point-min) (match-end 0))
-      )
-    (setq major-mode 'mime-show-message-mode)
-    (setq mime-raw-representation-type representation-type)
-    (mime-view-mode mother)
-    ))
+    (pop-to-buffer mother)))
+
+(defun mime-view-message/rfc822 (entity situation)
+  (let* ((new-name
+         (format "%s-%s" (buffer-name) (mime-entity-number entity)))
+        (mother (current-buffer))
+        (children (car (mime-entity-children entity)))
+        (preview-buffer
+         (mime-display-message
+          children new-name mother nil
+          (cdr (assq 'major-mode
+                     (get-text-property (point) 'mime-view-situation))))))
+    (or (get-buffer-window preview-buffer)
+       (let ((m-win (get-buffer-window mother)))
+         (if m-win
+             (set-window-buffer m-win preview-buffer)
+           (switch-to-buffer preview-buffer)
+           )))))
 
 
 ;;; @ message/partial
 ;;;
 
-(defun mime-raw-write-region (start end filename)
-  "Write current region into specified file.
-When called from a program, takes three arguments:
-START, END and FILENAME.  START and END are buffer positions.
-It refer `mime-raw-representation-type' or `major-mode
-mime-raw-representation-type-alist'.  If it is `binary', region is
-saved as binary.  Otherwise the region is saved by `write-region'."
-  (let ((presentation-type
-        (or mime-raw-representation-type
-            (cdr (or (assq major-mode mime-raw-representation-type-alist)
-                     (assq t mime-raw-representation-type-alist))))))
-    (if (eq presentation-type 'binary)
-       (write-region-as-binary start end filename)
-      (write-region start end filename)
-      )))
+(defun mime-require-safe-directory (dir)
+  "Create a directory DIR safely.
+The permission of the created directory becomes `700' (for the owner only).
+If the directory already exists and is writable by other users, an error
+occurs."
+  (let ((attr (file-attributes dir))
+       (orig-modes (default-file-modes)))
+    (if (and attr (eq (car attr) t)) ; directory already exists.
+       (unless (or (memq system-type '(windows-nt ms-dos OS/2 emx))
+                   (and (eq (nth 2 attr) (user-real-uid))
+                        (eq (file-modes dir) 448)))
+         (error "Invalid owner or permission for %s" dir))
+      (unwind-protect
+         (progn
+           (set-default-file-modes 448)
+           (make-directory dir))
+       (set-default-file-modes orig-modes)))))
 
-(defun mime-method-to-store-message/partial (entity cal)
-  (goto-char (mime-entity-point-min entity))
+(defun mime-store-message/partial-piece (entity cal)
   (let* ((root-dir
          (expand-file-name
-          (concat "m-prts-" (user-login-name)) mime-temp-directory))
+          (concat "m-prts-" (user-login-name)) temporary-file-directory))
         (id (cdr (assoc "id" cal)))
         (number (cdr (assoc "number" cal)))
         (total (cdr (assoc "total" cal)))
         file
-        (mother mime-preview-buffer)
-        )
+        (mother (current-buffer))
+        (orig-modes (default-file-modes)))
+    (mime-require-safe-directory root-dir)
     (or (file-exists-p root-dir)
-       (make-directory root-dir)
-       )
+       (unwind-protect
+           (progn
+             (set-default-file-modes 448)
+             (make-directory root-dir))
+         (set-default-file-modes orig-modes)))
     (setq id (replace-as-filename id))
     (setq root-dir (concat root-dir "/" id))
+
     (or (file-exists-p root-dir)
-       (make-directory root-dir)
-       )
+       (unwind-protect
+           (progn
+             (set-default-file-modes 448)
+             (make-directory root-dir))
+         (set-default-file-modes orig-modes)))
+
     (setq file (concat root-dir "/FULL"))
     (if (file-exists-p file)
        (let ((full-buf (get-buffer-create "FULL"))
              (pwin (or (get-buffer-window mother)
                        (get-largest-window)))
-             )
+             pbuf)
          (save-window-excursion
            (set-buffer full-buf)
            (erase-buffer)
-           (as-binary-input-file (insert-file-contents file))
+           (binary-insert-encoded-file file)
            (setq major-mode 'mime-show-message-mode)
-           (mime-view-mode mother)
-           )
-         (set-window-buffer pwin
-                            (save-excursion
-                              (set-buffer full-buf)
-                              mime-preview-buffer))
-         (select-window pwin)
-         )
-      (re-search-forward "^$")
-      (goto-char (1+ (match-end 0)))
+           (mime-view-buffer (current-buffer) nil mother)
+           (setq pbuf (current-buffer))
+           (make-local-variable 'mime-view-temp-message-buffer)
+           (setq mime-view-temp-message-buffer full-buf))
+         (set-window-buffer pwin pbuf)
+         (select-window pwin))
       (setq file (concat root-dir "/" number))
-      (mime-raw-write-region (point) (mime-entity-point-max entity) file)
+      (mime-write-entity-body entity file)
       (let ((total-file (concat root-dir "/CT")))
        (setq total
              (if total
@@ -525,7 +437,9 @@ saved as binary.  Otherwise the region is saved by `write-region'."
                         (kill-buffer (current-buffer))
                         )))
                )))
-      (if (and total (> total 0))
+      (if (and total (> total 0)
+              (>= (length (directory-files root-dir nil "^[0-9]+$" t))
+                  total))
          (catch 'tag
            (save-excursion
              (set-buffer (get-buffer-create mime-temp-buffer-name))
@@ -537,35 +451,30 @@ saved as binary.  Otherwise the region is saved by `write-region'."
                    (or (file-exists-p file)
                        (throw 'tag nil)
                        )
-                   (as-binary-input-file (insert-file-contents file))
+                   (binary-insert-encoded-file file)
                    (goto-char (point-max))
-                   (setq i (1+ i))
-                   ))
-               (as-binary-output-file
-                (write-region (point-min)(point-max)
-                              (expand-file-name "FULL" root-dir)))
+                   (setq i (1+ i))))
+               (binary-write-decoded-region
+                (point-min)(point-max)
+                (expand-file-name "FULL" root-dir))
                (let ((i 1))
                  (while (<= i total)
                    (let ((file (format "%s/%d" root-dir i)))
                      (and (file-exists-p file)
-                          (delete-file file)
-                          ))
-                   (setq i (1+ i))
-                   ))
+                          (delete-file file)))
+                   (setq i (1+ i))))
                (let ((file (expand-file-name "CT" root-dir)))
                  (and (file-exists-p file)
-                      (delete-file file)
-                      ))
-               (save-window-excursion
-                 (setq major-mode 'mime-show-message-mode)
-                 (mime-view-mode mother)
-                 )
-               (let ((pwin (or (get-buffer-window mother)
-                               (get-largest-window)
-                               ))
-                     (pbuf (save-excursion
-                             (set-buffer full-buf)
-                             mime-preview-buffer)))
+                      (delete-file file)))
+               (let ((buf (current-buffer))
+                     (pwin (or (get-buffer-window mother)
+                               (get-largest-window)))
+                     (pbuf (mime-display-message
+                            (mime-open-entity 'buffer (current-buffer))
+                            nil mother nil 'mime-show-message-mode)))
+                 (with-current-buffer pbuf
+                   (make-local-variable 'mime-view-temp-message-buffer)
+                   (setq mime-view-temp-message-buffer buf))
                  (set-window-buffer pwin pbuf)
                  (select-window pwin)
                  )))))
@@ -588,40 +497,45 @@ saved as binary.  Otherwise the region is saved by `write-region'."
     (dired dir)
     ))
 
-(defun mime-method-to-display-message/external-ftp (entity cal)
+(defun mime-view-message/external-anon-ftp (entity cal)
   (let* ((site (cdr (assoc "site" cal)))
         (directory (cdr (assoc "directory" cal)))
         (name (cdr (assoc "name" cal)))
         (pathname (concat "/anonymous@" site ":" directory)))
-    (message (concat "Accessing " (expand-file-name name pathname) "..."))
+    (message "%s" (concat "Accessing " (expand-file-name name pathname) "..."))
     (funcall mime-raw-dired-function pathname)
     (goto-char (point-min))
     (search-forward name)
     ))
 
+(defvar mime-raw-browse-url-function mime-browse-url-function)
+
+(defun mime-view-message/external-url (entity cal)
+  (let ((url (cdr (assoc "url" cal))))
+    (message "%s" (concat "Accessing " url "..."))
+    (funcall mime-raw-browse-url-function url)))
+
 
 ;;; @ rot13-47
 ;;;
 
-(defun mime-method-to-display-caesar (entity situation)
+(defun mime-view-caesar (entity situation)
   "Internal method for mime-view to display ROT13-47-48 message."
-  (let* ((new-name (format "%s-%s" (buffer-name)
-                          (mime-entity-number entity)))
-        (mother mime-preview-buffer))
-    (let ((pwin (or (get-buffer-window mother)
-                   (get-largest-window)))
-         (buf (get-buffer-create new-name)))
-      (set-window-buffer pwin buf)
-      (set-buffer buf)
-      (select-window pwin)
+  (let ((buf (get-buffer-create
+             (format "%s-%s" (buffer-name) (mime-entity-number entity)))))
+    (with-current-buffer buf
+      (setq buffer-read-only nil)
+      (erase-buffer)
+      (mime-insert-text-content entity)
+      (mule-caesar-region (point-min) (point-max))
+      (set-buffer-modified-p nil)
       )
-    (setq buffer-read-only nil)
-    (erase-buffer)
-    (mime-text-insert-decoded-body entity)
-    (mule-caesar-region (point-min) (point-max))
-    (set-buffer-modified-p nil)
-    (set-buffer mother)
-    (view-buffer new-name)
+    (let ((win (get-buffer-window (current-buffer))))
+      (or (eq (selected-window) win)
+         (select-window (or win (get-largest-window)))
+         ))
+    (view-buffer buf)
+    (goto-char (point-min))
     ))
 
 
@@ -630,19 +544,4 @@ saved as binary.  Otherwise the region is saved by `write-region'."
 
 (provide 'mime-play)
 
-(let* ((file mime-acting-situation-examples-file)
-       (buffer (get-buffer-create " *mime-example*")))
-  (if (file-readable-p file)
-      (unwind-protect
-         (save-excursion
-           (set-buffer buffer)
-           (erase-buffer)
-           (insert-file-contents file)
-           (eval-buffer)
-           ;; format check
-           (or (eq (car mime-acting-situation-examples) 'type)
-               (setq mime-acting-situation-examples nil))
-           )
-       (kill-buffer buffer))))
-
 ;;; mime-play.el ends here