(mime-acting-situation-examples-file): Renamed from
[elisp/semi.git] / mime-play.el
index 95b5eb7..63e3488 100644 (file)
@@ -1,14 +1,13 @@
-;;; mime-play.el --- decoder for mime-view.el
+;;; mime-play.el --- Playback processing module for mime-view.el
 
-;; Copyright (C) 1994,1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;; Created: 1995/9/26 (separated from tm-view.el)
 ;;     Renamed: 1997/2/21 from tm-play.el
-;; Version: $Id: mime-play.el,v 0.15 1997-03-15 20:24:54 morioka Exp $
 ;; Keywords: MIME, multimedia, mail, news
 
-;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+;; This file is part of SEMI (Secretariat of Emacs MIME Interfaces).
 
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU General Public License as
 (require 'alist)
 (require 'filename)
 
+(eval-when-compile (require 'mime-text))
+
   
 ;;; @ content decoder
 ;;;
 
-(defvar mime-preview/after-decoded-position nil)
+(defvar mime-preview-after-decoded-position nil)
 
-(defun mime-preview/decode-content ()
+(defun mime-preview-play-current-entity (&optional mode)
+  "Play current entity.
+It decodes current 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\"."
   (interactive)
-  (let ((pc (mime-preview/point-pcinfo (point))))
-    (if pc
-       (let ((the-buf (current-buffer)))
-         (setq mime-preview/after-decoded-position (point))
-         (set-buffer (mime::preview-content-info/buffer pc))
-         (mime-article/decode-content
-          (mime::preview-content-info/content-info pc))
-         (if (eq (current-buffer)
-                 (mime::preview-content-info/buffer pc))
-             (progn
-               (set-buffer the-buf)
-               (goto-char mime-preview/after-decoded-position)
-               ))
-         ))))
-
-(defun mime-article/decode-content (cinfo)
-  (let ((beg (mime::content-info/point-min cinfo))
-       (end (mime::content-info/point-max cinfo))
-       (ctype (or (mime::content-info/type cinfo) "text/plain"))
-       (params (mime::content-info/parameters cinfo))
-       (encoding (mime::content-info/encoding cinfo))
+  (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)
+           )))))
+
+(defvar mime-acting-situation-examples nil)
+
+(defun mime-raw-play-entity (entity-info &optional mode)
+  "Play entity specified by ENTITY-INFO.
+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))
+       (c-type (mime-entity-media-type entity-info))
+       (c-subtype (mime-entity-media-subtype entity-info))
+       (params (mime-entity-parameters entity-info))
+       (encoding (mime-entity-encoding entity-info))
        )
+    (or c-type
+       (setq c-type 'text
+             c-subtype 'plain))
     ;; Check for VM
     (if (< beg (point-min))
        (setq beg (point-min))
        (setq end (point-max))
       )
     (let (method cal ret)
-      (setq cal (list* (cons 'type ctype)
+      (setq cal (list* (cons 'type c-type)
+                      (cons 'subtype c-subtype)
                       (cons 'encoding encoding)
                       (cons 'major-mode major-mode)
                       params))
-      (if mime-view-decoding-mode
-         (setq cal (cons
-                    (cons 'mode mime-view-decoding-mode)
-                    cal))
+      (if mode
+         (setq cal (cons (cons 'mode mode) cal))
        )
-      (setq ret (mime/get-content-decoding-alist 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)))
+            (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)
             )
            ((and (listp method)(stringp (car method)))
-            (mime-article/start-external-method-region beg end ret)
+            (mime-activate-external-method beg end ret)
             )
            (t
-            (mime-article/show-output-buffer
-             "No method are specified for %s\n" ctype)
+            (mime-show-echo-buffer
+             "No method are specified for %s\n"
+             (mime-type/subtype-string c-type c-subtype))
             ))
       )
     ))
 
 
-;;; @ method selector
-;;;
-
-(defun mime/get-content-decoding-alist (al)
-  (get-unified-alist mime/content-decoding-condition al)
-  )
-
-
 ;;; @ external decoder
 ;;;
 
-(defun mime-article/start-external-method-region (beg end cal)
+(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-article/get-filename cal))
+           (name (mime-raw-get-filename cal))
            )
        (if method
            (let ((file (make-temp-name
              (setq cal (put-alist 'file file cal))
              (setq args (nconc
                          (list (car method)
-                               mime/output-buffer-name (car method)
+                               mime-echo-buffer-name (car method)
                                )
-                         (mime-article/make-method-args cal
-                                                        (cdr (cdr method)))
+                         (mime-make-external-method-args
+                          cal (cdr (cdr method)))
                          ))
              (apply (function start-process) args)
-             (mime-article/show-output-buffer)
+             (mime-show-echo-buffer)
              ))
        ))))
 
-(defun mime-article/make-method-args (cal format)
+(defun mime-make-external-method-args (cal format)
   (mapcar (function
           (lambda (arg)
             (if (stringp arg)
             ))
          format))
 
-(defun mime-article/show-output-buffer (&rest forms)
-  (get-buffer-create mime/output-buffer-name)
+(defvar mime-echo-window-is-shared-with-bbdb t
+  "*If non-nil, mime-echo window is shared with BBDB window.")
+
+(defvar mime-echo-window-height
+  (function
+   (lambda ()
+     (/ (window-height) 5)
+     ))
+  "*Size of mime-echo window.
+It allows function or integer.  If it is function,
+`mime-show-echo-buffer' calls it to get height of mime-echo window.
+Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
+window.")
+
+(defun mime-show-echo-buffer (&rest forms)
+  "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/output-buffer-name))
+       (win (get-buffer-window mime-echo-buffer-name))
        )
     (or win
-       (if (and mime/output-buffer-window-is-shared-with-bbdb
+       (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/output-buffer-name)
-         (select-window (get-buffer-window mime::article/preview-buffer))
-         (setq win (split-window-vertically (/ (* (window-height) 3) 4)))
-         (set-window-buffer win mime/output-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)
          ))
     (select-window win)
     (goto-char (point-max))
   (concat (regexp-* mime-view-file-name-char-regexp)
          "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
 
-(defun mime-article/get-original-filename (param &optional encoding)
-  (or (mime-article/get-uu-filename param encoding)
+(defun mime-raw-get-original-filename (param &optional encoding)
+  (or (mime-raw-get-uu-filename param encoding)
       (let (ret)
        (or (if (or (and (setq ret (mime/Content-Disposition))
                         (setq ret (assoc "filename" (cdr ret)))
            ))
       ))
 
-(defun mime-article/get-filename (param)
-  (replace-as-filename (mime-article/get-original-filename param))
+(defun mime-raw-get-filename (param)
+  (replace-as-filename (mime-raw-get-original-filename param))
   )
 
 
+;;; @ 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)))))))
+        )
+    (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)
+    ))
+
+
 ;;; @ mail/news message
 ;;;
 
-(defun mime-view-quitting-method-for-mime/show-message-mode ()
-  (let ((mother mime::preview/mother-buffer)
-       (win-conf mime::preview/original-window-configuration)
+(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::preview-content-info/buffer (car mime::preview/content-list)))
-    (mime-view-kill-buffer)
+    (kill-buffer mime-raw-buffer)
+    (mime-preview-kill-buffer)
     (set-window-configuration win-conf)
     (pop-to-buffer mother)
-    ;;(goto-char (point-min))
-    ;;(mime-view-up-content)
     ))
 
-(defun mime-article/view-message/rfc822 (beg end cal)
-  (let* ((cnum (mime-article/point-content-number beg))
+(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::article/preview-buffer)
-        (code-converter
-         (or (cdr (assq major-mode mime-text-decoder-alist))
-             'mime-view-default-code-convert-region))
+        (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)
     (if (re-search-forward "^\n" nil t)
        (delete-region (point-min) (match-end 0))
       )
-    (setq major-mode 'mime/show-message-mode)
-    (setq mime::article/code-converter code-converter)
+    (setq major-mode 'mime-show-message-mode)
+    (setq mime-text-decoder text-decoder)
     (mime-view-mode mother)
     ))
 
 ;;; @ message/partial
 ;;;
 
-(defvar mime-article/coding-system-alist
-  (list '(mh-show-mode . no-conversion)
-       (cons t (mime-charset-to-coding-system default-mime-charset))
-       ))
-
-(defun mime-article::write-region (start end file)
+(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-article/coding-system-alist)
-             (assq t mime-article/coding-system-alist)
+         (or (assq major-mode mime-raw-buffer-coding-system-alist)
+             (assq t mime-raw-buffer-coding-system-alist)
              ))))
-    (write-region start end file)
+    (write-region start end filename)
     ))
 
-(defun mime-article/decode-message/partial (beg end cal)
+(defun mime-method-to-store-message/partial (beg end cal)
   (goto-char beg)
   (let* ((root-dir
          (expand-file-name
         (number (cdr (assoc "number" cal)))
         (total (cdr (assoc "total" cal)))
         file
-        (mother mime::article/preview-buffer)
+        (mother mime-preview-buffer)
          )
     (or (file-exists-p root-dir)
        (make-directory root-dir)
            (set-buffer full-buf)
            (erase-buffer)
            (as-binary-input-file (insert-file-contents file))
-           (setq major-mode 'mime/show-message-mode)
+           (setq major-mode 'mime-show-message-mode)
            (mime-view-mode mother)
            )
          (set-window-buffer pwin
                             (save-excursion
                               (set-buffer full-buf)
-                              mime::article/preview-buffer))
+                              mime-preview-buffer))
          (select-window pwin)
          )
       (re-search-forward "^$")
       (goto-char (1+ (match-end 0)))
       (setq file (concat root-dir "/" number))
-      (mime-article::write-region (point) (point-max) file)
+      (mime-raw-write-region (point) end file)
       (let ((total-file (concat root-dir "/CT")))
        (setq total
              (if total
                    (or (file-exists-p total-file)
                        (save-excursion
                          (set-buffer
-                          (get-buffer-create mime/temp-buffer-name))
+                          (get-buffer-create mime-temp-buffer-name))
                          (erase-buffer)
                          (insert total)
-                         (write-file total-file)
+                         (write-region (point-min)(point-max) total-file)
                          (kill-buffer (current-buffer))
                          ))
                    (string-to-number total)
       (if (and total (> total 0))
          (catch 'tag
            (save-excursion
-             (set-buffer (get-buffer-create mime/temp-buffer-name))
+             (set-buffer (get-buffer-create mime-temp-buffer-name))
              (let ((full-buf (current-buffer)))
                (erase-buffer)
                (let ((i 1))
                    (goto-char (point-max))
                    (setq i (1+ i))
                    ))
-               (as-binary-output-file (write-file (concat root-dir "/FULL")))
+               (as-binary-output-file
+                 (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)))
                       (delete-file file)
                       ))
                (save-window-excursion
-                 (setq major-mode 'mime/show-message-mode)
+                 (setq major-mode 'mime-show-message-mode)
                  (mime-view-mode mother)
                  )
                (let ((pwin (or (get-buffer-window mother)
                                ))
                      (pbuf (save-excursion
                              (set-buffer full-buf)
-                             mime::article/preview-buffer)))
+                             mime-preview-buffer)))
                  (set-window-buffer pwin pbuf)
                  (select-window pwin)
                  )))))
 ;;; @ message/external-body
 ;;;
 
-(defvar mime-article/dired-function
+(defvar mime-raw-dired-function
   (if mime/use-multi-frame
       (function dired-other-frame)
-    (function mime-article/dired-function-for-one-frame)
+    (function mime-raw-dired-function-for-one-frame)
     ))
 
-(defun mime-article/dired-function-for-one-frame (dir)
-  (let ((win (or (get-buffer-window mime::article/preview-buffer)
+(defun mime-raw-dired-function-for-one-frame (dir)
+  (let ((win (or (get-buffer-window mime-preview-buffer)
                 (get-largest-window))))
     (select-window win)
     (dired dir)
     ))
 
-(defun mime-article/decode-message/external-ftp (beg end cal)
+(defun mime-method-to-display-message/external-ftp (beg end 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) "..."))
-    (funcall mime-article/dired-function pathname)
+    (funcall mime-raw-dired-function pathname)
     (goto-char (point-min))
     (search-forward name)
     ))
 ;;; @ rot13-47
 ;;;
 
-(require 'view)
-
-(defconst mime-view-text/plain-mode-map (copy-keymap view-mode-map))
-(define-key mime-view-text/plain-mode-map
-  "q" (function mime-view-text/plain-exit))
-
-(defun mime-view-text/plain-mode ()
-  "\\{mime-view-text/plain-mode-map}"
-  (setq buffer-read-only t)
-  (setq major-mode 'mime-view-text/plain-mode)
-  (setq mode-name "MIME-View text/plain")
-  (use-local-map mime-view-text/plain-mode-map)
-  )
-
-(defun mime-view-text/plain-exit ()
-  (interactive)
-  (kill-buffer (current-buffer))
-  )
-
-(defun mime-article/decode-caesar (beg end cal)
-  (let* ((cnum (mime-article/point-content-number beg))
-        (cur-buf (current-buffer))
+(defun mime-method-to-display-caesar (start end cal)
+  "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))
-        (mother mime::article/preview-buffer)
+        (the-buf (current-buffer))
+        (mother mime-preview-buffer)
         (charset (cdr (assoc "charset" cal)))
         (encoding (cdr (assq 'encoding cal)))
         (mode major-mode)
-        str)
-    (setq str (buffer-substring beg end))
+        )
     (let ((pwin (or (get-buffer-window mother)
                    (get-largest-window)))
          (buf (get-buffer-create new-name))
       )
     (setq buffer-read-only nil)
     (erase-buffer)
-    (insert str)
+    (insert-buffer-substring the-buf start end)
     (goto-char (point-min))
     (if (re-search-forward "^\n" nil t)
        (delete-region (point-min) (match-end 0))
       (and (functionp m)
           (funcall m charset encoding)
           ))
-    (save-excursion
-      (set-mark (point-min))
-      (goto-char (point-max))
-      (tm:caesar-region)
-      )
+    (mule-caesar-region (point-min) (point-max))
     (set-buffer-modified-p nil)
-    (mime-view-text/plain-mode)
+    (set-buffer mother)
+    (view-buffer new-name)
     ))
 
 
 
 (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-current-buffer))
+       (kill-buffer buffer))))
+
 ;;; mime-play.el ends here