update.
[elisp/semi.git] / mime-play.el
index 943519c..b98ccea 100644 (file)
@@ -1,6 +1,6 @@
 ;;; mime-play.el --- Playback processing module for mime-view.el
 
 ;;; mime-play.el --- Playback processing module for mime-view.el
 
-;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1994,1995,1996,1997,1998,1999 Free Software Foundation, Inc.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;; Created: 1995/9/26 (separated from tm-view.el)
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;; Created: 1995/9/26 (separated from tm-view.el)
 (require 'alist)
 (require 'filename)
 
 (require 'alist)
 (require 'filename)
 
-(eval-when-compile (require 'mime-text))
+(eval-when-compile
+  (condition-case nil
+      (require 'bbdb)
+    (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-acting-situation-example-list nil)
 
 
-(defvar mime-acting-situation-examples nil)
+(defvar mime-acting-situation-example-list-max-size 16)
 
 (defun mime-save-acting-situation-examples ()
   (let* ((file mime-acting-situation-examples-file)
 
 (defun mime-save-acting-situation-examples ()
   (let* ((file mime-acting-situation-examples-file)
           (erase-buffer)
           (insert ";;; " (file-name-nondirectory file) "\n")
           (insert "\n;; This file is generated automatically by "
           (erase-buffer)
           (insert ";;; " (file-name-nondirectory file) "\n")
           (insert "\n;; This file is generated automatically by "
-                  mime-view-version-string "\n\n")
+                  mime-view-version "\n\n")
          (insert ";;; Code:\n\n")
          (insert ";;; Code:\n\n")
-         (pp `(setq mime-acting-situation-examples
-                    ',mime-acting-situation-examples)
+         (pp `(setq mime-acting-situation-example-list
+                    ',mime-acting-situation-example-list)
              (current-buffer))
          (insert "\n;;; "
                   (file-name-nondirectory file)
              (current-buffer))
          (insert "\n;;; "
                   (file-name-nondirectory file)
 
 (add-hook 'kill-emacs-hook 'mime-save-acting-situation-examples)
 
 
 (add-hook 'kill-emacs-hook 'mime-save-acting-situation-examples)
 
-  
+(defun mime-reduce-acting-situation-examples ()
+  (let ((len (length mime-acting-situation-example-list))
+       i ir ic j jr jc ret
+       dest d-i d-j
+       (max-sim 0) sim
+       min-det-ret det-ret
+       min-det-org det-org
+       min-freq freq)
+    (setq i 0
+         ir mime-acting-situation-example-list)
+    (while (< i len)
+      (setq ic (car ir)
+           j 0
+           jr mime-acting-situation-example-list)
+      (while (< j len)
+       (unless (= i j)
+         (setq jc (car jr))
+         (setq ret (mime-compare-situation-with-example (car ic)(car jc))
+               sim (car ret)
+               det-ret (+ (length (car ic))(length (car jc)))
+               det-org (length (cdr ret))
+               freq (+ (cdr ic)(cdr jc)))
+         (cond ((< max-sim sim)
+                (setq max-sim sim
+                      min-det-ret det-ret
+                      min-det-org det-org
+                      min-freq freq
+                      d-i i
+                      d-j j
+                      dest (cons (cdr ret) freq))
+                )
+               ((= max-sim sim)
+                (cond ((> min-det-ret det-ret)
+                       (setq min-det-ret det-ret
+                             min-det-org det-org
+                             min-freq freq
+                             d-i i
+                             d-j j
+                             dest (cons (cdr ret) freq))
+                       )
+                      ((= min-det-ret det-ret)
+                       (cond ((> min-det-org det-org)
+                              (setq min-det-org det-org
+                                    min-freq freq
+                                    d-i i
+                                    d-j j
+                                    dest (cons (cdr ret) freq))
+                              )
+                             ((= min-det-org det-org)
+                              (cond ((> min-freq freq)
+                                     (setq min-freq freq
+                                           d-i i
+                                           d-j j
+                                           dest (cons (cdr ret) freq))
+                                     ))
+                              ))
+                       ))
+                ))
+         )
+       (setq jr (cdr jr)
+             j (1+ j)))
+      (setq ir (cdr ir)
+           i (1+ i)))
+    (if (> d-i d-j)
+       (setq i d-i
+             d-i d-j
+             d-j i))
+    (setq jr (nthcdr (1- d-j) mime-acting-situation-example-list))
+    (setcdr jr (cddr jr))
+    (if (= d-i 0)
+       (setq mime-acting-situation-example-list
+             (cdr mime-acting-situation-example-list))
+      (setq ir (nthcdr (1- d-i) mime-acting-situation-example-list))
+      (setcdr ir (cddr ir))
+      )
+    (if (setq ir (assoc (car dest) mime-acting-situation-example-list))
+       (setcdr ir (+ (cdr ir)(cdr dest)))
+      (setq mime-acting-situation-example-list
+           (cons dest mime-acting-situation-example-list))
+      )))
+
+
 ;;; @ content decoder
 ;;;
 
 ;;; @ 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'.
   "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\"."
 If MODE is specified, play as it.  Default MODE is \"play\"."
-  (interactive)
-  (or mode
-      (setq mode "play"))
-  (let ((entity-info (get-text-property (point) 'mime-view-entity)))
-    (if entity-info
-       (let ((the-buf (current-buffer))
-             (raw-buffer (get-text-property (point) 'mime-view-raw-buffer)))
-         (setq mime-preview-after-decoded-position (point))
-         (set-buffer raw-buffer)
-         (mime-raw-play-entity entity-info mode)
-         (when (eq (current-buffer) raw-buffer)
-           (set-buffer the-buf)
-           (goto-char mime-preview-after-decoded-position)
-           )))))
+  (interactive "P")
+  (let ((entity (get-text-property (point) 'mime-view-entity)))
+    (if entity
+       (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)
+         ))))
 
 (defun mime-sort-situation (situation)
   (sort situation
 
 (defun mime-sort-situation (situation)
   (sort situation
@@ -92,23 +190,26 @@ If MODE is specified, play as it.  Default MODE is \"play\"."
                  (order '((type . 1)
                           (subtype . 2)
                           (mode . 3)
                  (order '((type . 1)
                           (subtype . 2)
                           (mode . 3)
-                          (major-mode . 4)))
+                          (method . 4)
+                          (major-mode . 5)
+                          (disposition-type . 6)
+                          ))
                  a-order b-order)
              (if (symbolp a-t)
                  (let ((ret (assq a-t order)))
                    (if ret
                        (setq a-order (cdr ret))
                  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 7)
                      ))
                      ))
-               (setq a-order 6)
+               (setq a-order 8)
                )
              (if (symbolp b-t)
                  (let ((ret (assq b-t order)))
                    (if ret
                        (setq b-order (cdr ret))
                )
              (if (symbolp b-t)
                  (let ((ret (assq b-t order)))
                    (if ret
                        (setq b-order (cdr ret))
-                     (setq b-order 5)
+                     (setq b-order 7)
                      ))
                      ))
-               (setq b-order 6)
+               (setq b-order 8)
                )
              (if (= a-order b-order)
                  (string< (format "%s" a-t)(format "%s" b-t))
                )
              (if (= a-order b-order)
                  (string< (format "%s" a-t)(format "%s" b-t))
@@ -116,77 +217,137 @@ If MODE is specified, play as it.  Default MODE is \"play\"."
              )))
   )
 
              )))
   )
 
-(defun mime-raw-play-entity (entity-info &optional mode)
-  "Play entity specified by ENTITY-INFO.
+(defsubst mime-delq-null-situation (situations field
+                                              &optional ignored-value)
+  (let (dest)
+    (while situations
+      (let* ((situation (car situations))
+            (cell (assq field situation)))
+       (if cell
+           (or (eq (cdr cell) ignored-value)
+               (setq dest (cons situation dest))
+               )))
+      (setq situations (cdr situations)))
+    dest))
+
+(defun mime-compare-situation-with-example (situation example)
+  (let ((example (copy-alist example))
+       (match 0))
+    (while situation
+      (let* ((cell (car situation))
+            (key (car cell))
+            (ecell (assoc key example)))
+       (when ecell
+         (if (equal cell ecell)
+             (setq match (1+ match))
+           (setq example (delq ecell example))
+           ))
+       )
+      (setq situation (cdr situation))
+      )
+    (cons match example)
+    ))
+
+;;;###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\"."
 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 ((beg (mime-entity-point-min entity-info))
-       (end (mime-entity-point-max entity-info))
-       (content-type (mime-entity-content-type entity-info))
-       (encoding (mime-entity-encoding entity-info)))
-    (or content-type
-       (setq content-type (make-mime-content-type 'text 'plain)))
-    ;; Check for VM
-    (if (< beg (point-min))
-       (setq beg (point-min))
-      )
-    (if (< (point-max) end)
-       (setq end (point-max))
-      )
-    (let (method cal ret)
-      (setq cal (list* (cons 'major-mode major-mode)
-                      (cons 'encoding encoding)
-                      content-type))
-      (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 (ctree-find-calist mime-acting-condition ret
-                                  mime-view-find-every-acting-situation)
-               (ctree-find-calist mime-acting-condition cal
-                                  mime-view-find-every-acting-situation)
-               ))
-      (cond ((cdr ret)
-            (setq ret (select-menu-alist
-                       "Methods"
-                       (mapcar (function
-                                (lambda (situation)
-                                  (cons
-                                   (format "%s"
-                                           (cdr (assq 'method situation)))
-                                   situation)))
-                               ret)))
-            (setq ret (mime-sort-situation ret))
-            (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
-            )
-           (t
-            (setq ret (car ret))
-            ))
-      (setq method (cdr (assq 'method ret)))
-      (cond ((and (symbolp method)
-                 (fboundp method))
-            (funcall method beg end ret)
-            )
-           ((stringp method)
-            (mime-activate-mailcap-method beg end ret)
-            )
-           ((and (listp method)(stringp (car method)))
-            (mime-activate-external-method beg end ret)
-            )
-           (t
-            (mime-show-echo-buffer
-             "No method are specified for %s\n"
-             (mime-type/subtype-string
-              (mime-content-type-primary-type content-type)
-              (mime-content-type-subtype content-type))
-             )))
-      )))
+  (let (method ret)
+    (in-calist-package 'mime-view)
+    (setq ret
+         (mime-delq-null-situation
+          (ctree-find-calist mime-acting-condition
+                             (mime-entity-situation entity situation)
+                             mime-view-find-every-acting-situation)
+          'method ignored-method))
+    (or (assq 'ignore-examples situation)
+       (if (cdr ret)
+           (let ((rest ret)
+                 (max-score 0)
+                 (max-escore 0)
+                 max-examples
+                 max-situations)
+             (while rest
+               (let ((situation (car rest))
+                     (examples mime-acting-situation-example-list))
+                 (while examples
+                   (let* ((ret
+                           (mime-compare-situation-with-example
+                            situation (caar examples)))
+                          (ret-score (car ret)))
+                     (cond ((> ret-score max-score)
+                            (setq max-score ret-score
+                                  max-escore (cdar examples)
+                                  max-examples (list (cdr ret))
+                                  max-situations (list situation))
+                            )
+                           ((= ret-score max-score)
+                            (cond ((> (cdar examples) max-escore)
+                                   (setq max-escore (cdar examples)
+                                         max-examples (list (cdr ret))
+                                         max-situations (list situation))
+                                   )
+                                  ((= (cdar examples) max-escore)
+                                   (setq max-examples
+                                         (cons (cdr ret) max-examples))
+                                   (or (member situation max-situations)
+                                       (setq max-situations
+                                             (cons situation max-situations)))
+                                   )))))
+                   (setq examples (cdr examples))))
+               (setq rest (cdr rest)))
+             (when max-situations
+               (setq ret max-situations)
+               (while max-examples
+                 (let* ((example (car max-examples))
+                        (cell
+                         (assoc example mime-acting-situation-example-list)))
+                   (if cell
+                       (setcdr cell (1+ (cdr cell)))
+                     (setq mime-acting-situation-example-list
+                           (cons (cons example 0)
+                                 mime-acting-situation-example-list))
+                     ))
+                 (setq max-examples (cdr max-examples))
+                 )))))
+    (cond ((cdr ret)
+          (setq ret (select-menu-alist
+                     "Methods"
+                     (mapcar (function
+                              (lambda (situation)
+                                (cons
+                                 (format "%s"
+                                         (cdr (assq 'method situation)))
+                                 situation)))
+                             ret)))
+          (setq ret (mime-sort-situation ret))
+          (add-to-list 'mime-acting-situation-example-list (cons ret 0))
+          )
+         (t
+          (setq ret (car ret))
+          ))
+    (setq method (cdr (assq 'method ret)))
+    (cond ((and (symbolp method)
+               (fboundp method))
+          (funcall method entity ret)
+          )
+         ((stringp method)
+          (mime-activate-mailcap-method entity ret)
+          )
+          ;; ((and (listp method)(stringp (car method)))
+          ;;  (mime-activate-external-method entity ret)
+          ;;  )
+         (t
+          (mime-show-echo-buffer "No method are specified for %s\n"
+                                 (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))
+          ))
+    ))
 
 
 ;;; @ external decoder
 
 
 ;;; @ external decoder
@@ -194,33 +355,29 @@ specified, play as it.  Default MODE is \"play\"."
 
 (defvar mime-mailcap-method-filename-alist nil)
 
 
 (defvar mime-mailcap-method-filename-alist nil)
 
-(defun mime-activate-mailcap-method (start end situation)
-  (save-excursion
-    (save-restriction
-      (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 (if (re-search-forward "^$" end t)
-                                      (1+ (match-end 0))
-                                    (point-min))
-                                  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)
-         )
-       ;;(mime-show-echo-buffer)
-       ))))
+(defun mime-activate-mailcap-method (entity situation)
+  (let ((method (cdr (assoc 'method situation)))
+       (name (mime-entity-safe-filename entity)))
+    (setq name
+         (if (and name (not (string= name "")))
+             (expand-file-name name temporary-file-directory)
+           (make-temp-name
+            (expand-file-name "EMI" temporary-file-directory))
+           ))
+    (mime-write-entity-content entity name)
+    (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)
+      )
+    ))
 
 (defun mime-mailcap-method-sentinel (process event)
   (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
 
 (defun mime-mailcap-method-sentinel (process event)
   (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
@@ -230,62 +387,8 @@ specified, play as it.  Default MODE is \"play\"."
   (remove-alist 'mime-mailcap-method-filename-alist process)
   (message (format "%s %s" process event)))
 
   (remove-alist 'mime-mailcap-method-filename-alist process)
   (message (format "%s %s" process event)))
 
-(defun mime-activate-external-method (beg end cal)
-  (save-excursion
-    (save-restriction
-      (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
-                     (if (re-search-forward "^$" nil t)
-                         (1+ (match-end 0))
-                       (point-min)
-                       ))
-               )
-             (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)))
-                     )
-                (if ret
-                    ret
-                  (if (eq item 'encoding)
-                      "7bit"
-                    ""))
-                ))
-            ))
-         format))
-
-(defvar mime-echo-window-is-shared-with-bbdb t
+(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
   "*If non-nil, mime-echo window is shared with BBDB window.")
 
 (defvar mime-echo-window-height
@@ -303,28 +406,29 @@ window.")
   "Show mime-echo buffer to display MIME-playing information."
   (get-buffer-create mime-echo-buffer-name)
   (let ((the-win (selected-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
     (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)
     ))
 
     (select-window the-win)
     ))
 
@@ -342,168 +446,160 @@ window.")
   (concat (regexp-* mime-view-file-name-char-regexp)
          "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
 
   (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
 ;;;
 
 
 
 ;;; @ file extraction
 ;;;
 
-(defun mime-method-to-save (beg end cal)
-  (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)))))))
-        )
+(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)
     (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)
+       (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
 ;;;
 
 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
   "Quitting method for mime-view.
 It is registered to variable `mime-preview-quitting-method-alist'."
 ;;; @ mail/news message
 ;;;
 
 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
   "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)
+  (let ((raw-buffer (mime-entity-buffer
+                    (get-text-property (point-min) 'mime-view-entity)))
+       (mother mime-mother-buffer)
+       (win-conf mime-preview-original-window-configuration))
+    (kill-buffer raw-buffer)
     (mime-preview-kill-buffer)
     (set-window-configuration win-conf)
     (pop-to-buffer mother)
     ))
 
     (mime-preview-kill-buffer)
     (set-window-configuration win-conf)
     (pop-to-buffer mother)
     ))
 
-(defun mime-method-to-display-message/rfc822 (beg end cal)
-  (let* ((cnum (mime-raw-point-to-entity-number beg))
-        (new-name (format "%s-%s" (buffer-name) cnum))
-        (mother mime-preview-buffer)
-        (text-decoder
-         (cdr (or (assq major-mode mime-text-decoder-alist)
-                  (assq t mime-text-decoder-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-text-decoder text-decoder)
-    (mime-view-mode 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
 ;;;
 
 
 
 ;;; @ 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-buffer-coding-system-alist' to choose coding-system
-to write."
-  (let ((coding-system-for-write
-        (cdr
-         (or (assq major-mode mime-raw-buffer-coding-system-alist)
-             (assq t mime-raw-buffer-coding-system-alist)
-             ))))
-    (write-region start end filename)
-    ))
-
-(defun mime-method-to-store-message/partial (beg end cal)
-  (goto-char beg)
+(defun mime-store-message/partial-piece (entity cal)
   (let* ((root-dir
          (expand-file-name
   (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
         (id (cdr (assoc "id" cal)))
         (number (cdr (assoc "number" cal)))
         (total (cdr (assoc "total" cal)))
         file
-        (mother mime-preview-buffer)
-         )
+        (mother (current-buffer)))
     (or (file-exists-p root-dir)
     (or (file-exists-p root-dir)
-       (make-directory root-dir)
-       )
+       (make-directory root-dir))
     (setq id (replace-as-filename id))
     (setq root-dir (concat root-dir "/" id))
     (or (file-exists-p root-dir)
     (setq id (replace-as-filename id))
     (setq root-dir (concat root-dir "/" id))
     (or (file-exists-p root-dir)
-       (make-directory root-dir)
-       )
+       (make-directory root-dir))
     (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)))
     (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))
            (setq major-mode 'mime-show-message-mode)
          (save-window-excursion
            (set-buffer full-buf)
            (erase-buffer)
            (as-binary-input-file (insert-file-contents file))
            (setq major-mode 'mime-show-message-mode)
-           (mime-view-mode mother)
+           (mime-view-buffer (current-buffer) nil mother)
+           (setq pbuf (current-buffer))
            )
            )
-         (set-window-buffer pwin
-                            (save-excursion
-                              (set-buffer full-buf)
-                              mime-preview-buffer))
+         (set-window-buffer pwin pbuf)
          (select-window pwin)
          )
          (select-window pwin)
          )
-      (re-search-forward "^$")
-      (goto-char (1+ (match-end 0)))
       (setq file (concat root-dir "/" number))
       (setq file (concat root-dir "/" number))
-      (mime-raw-write-region (point) end file)
+      (mime-write-entity-body entity file)
       (let ((total-file (concat root-dir "/CT")))
        (setq total
              (if total
       (let ((total-file (concat root-dir "/CT")))
        (setq total
              (if total
@@ -531,7 +627,9 @@ to write."
                         (kill-buffer (current-buffer))
                         )))
                )))
                         (kill-buffer (current-buffer))
                         )))
                )))
-      (if (and total (> total 0))
+      (if (and total (> total 0)
+              (>= (length (directory-files root-dir nil "^[0-9]+$" t))
+                  total))
          (catch 'tag
            (save-excursion
              (set-buffer (get-buffer-create mime-temp-buffer-name))
          (catch 'tag
            (save-excursion
              (set-buffer (get-buffer-create mime-temp-buffer-name))
@@ -548,8 +646,8 @@ to write."
                    (setq i (1+ i))
                    ))
                (as-binary-output-file
                    (setq i (1+ i))
                    ))
                (as-binary-output-file
-                 (write-region (point-min)(point-max)
-                               (expand-file-name "FULL" root-dir)))
+                (write-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)))
                (let ((i 1))
                  (while (<= i total)
                    (let ((file (format "%s/%d" root-dir i)))
@@ -562,16 +660,11 @@ to write."
                  (and (file-exists-p file)
                       (delete-file file)
                       ))
                  (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)
                (let ((pwin (or (get-buffer-window mother)
-                               (get-largest-window)
-                               ))
-                     (pbuf (save-excursion
-                             (set-buffer full-buf)
-                             mime-preview-buffer)))
+                               (get-largest-window)))
+                     (pbuf (mime-display-message
+                            (mime-open-entity 'buffer (current-buffer))
+                            nil mother nil 'mime-show-message-mode)))
                  (set-window-buffer pwin pbuf)
                  (select-window pwin)
                  )))))
                  (set-window-buffer pwin pbuf)
                  (select-window pwin)
                  )))))
@@ -594,57 +687,45 @@ to write."
     (dired dir)
     ))
 
     (dired dir)
     ))
 
-(defun mime-method-to-display-message/external-ftp (beg end 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)))
   (let* ((site (cdr (assoc "site" cal)))
         (directory (cdr (assoc "directory" cal)))
         (name (cdr (assoc "name" cal)))
-        ;;(mode (cdr (assoc "mode" cal)))
-        (pathname (concat "/anonymous@" site ":" directory))
-        )
-    (message (concat "Accessing " (expand-file-name name pathname) "..."))
+        (pathname (concat "/anonymous@" site ":" directory)))
+    (message (concat "Accessing " (expand-file-name name pathname) " ..."))
     (funcall mime-raw-dired-function pathname)
     (goto-char (point-min))
     (search-forward name)
     ))
 
     (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 (concat "Accessing " url " ..."))
+    (funcall mime-raw-browse-url-function url)))
+
 
 ;;; @ rot13-47
 ;;;
 
 
 ;;; @ rot13-47
 ;;;
 
-(defun mime-method-to-display-caesar (start end cal)
+(defun mime-view-caesar (entity situation)
   "Internal method for mime-view to display ROT13-47-48 message."
   "Internal method for mime-view to display ROT13-47-48 message."
-  (let* ((cnum (mime-raw-point-to-entity-number start))
-        (new-name (format "%s-%s" (buffer-name) cnum))
-        (the-buf (current-buffer))
-        (mother mime-preview-buffer)
-        (charset (cdr (assoc "charset" cal)))
-        (encoding (cdr (assq 'encoding cal)))
-        (mode major-mode)
-        )
-    (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)
-    (insert-buffer-substring the-buf start end)
+    (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))
     (goto-char (point-min))
-    (if (re-search-forward "^\n" nil t)
-       (delete-region (point-min) (match-end 0))
-      )
-    (let ((m (cdr (or (assq mode mime-text-decoder-alist)
-                     (assq t mime-text-decoder-alist)))))
-      (and (functionp m)
-          (funcall m charset encoding)
-          ))
-    (mule-caesar-region (point-min) (point-max))
-    (set-buffer-modified-p nil)
-    (set-buffer mother)
-    (view-buffer new-name)
     ))
 
 
     ))
 
 
@@ -661,10 +742,17 @@ to write."
            (set-buffer buffer)
            (erase-buffer)
            (insert-file-contents file)
            (set-buffer buffer)
            (erase-buffer)
            (insert-file-contents file)
-           (eval-current-buffer)
+           (eval-buffer)
            ;; format check
            ;; format check
-           (or (eq (car mime-acting-situation-examples) 'type)
-               (setq mime-acting-situation-examples nil))
+           (condition-case nil
+               (let ((i 0))
+                 (while (and (> (length mime-acting-situation-example-list)
+                                mime-acting-situation-example-list-max-size)
+                             (< i 16))
+                   (mime-reduce-acting-situation-examples)
+                   (setq i (1+ i))
+                   ))
+             (error (setq mime-acting-situation-example-list nil)))
            )
        (kill-buffer buffer))))
 
            )
        (kill-buffer buffer))))