(mime-preview-situation-example-list): New variable.

(mime-acting-situation-example-list): Moved from mime-play.el.
(mime-acting-situation-example-list-max-size): Likewise.
(mime-save-acting-situation-examples): Likewise.
(mime-reduce-acting-situation-examples): Likewise.
(mime-view-load-hook): Abolished.

diff --git a/mime-view.el b/mime-view.el
index da04f6e..a89a14b 100644 (file)
--- a/mime-view.el
+++ b/mime-view.el
@@ -361,6 +361,115 @@ mother-buffer."
       (mime-entity-filename entity)
       ""))
 
+(defvar mime-preview-situation-example-list nil)
+(defvar mime-acting-situation-example-list nil)
+
+(defvar mime-acting-situation-example-list-max-size 16)
+
+(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 "\n\n")
+         (insert ";;; Code:\n\n")
+         (pp `(setq mime-acting-situation-example-list
+                    ',mime-acting-situation-example-list)
+             (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)
+
+(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))
+      )))
+
 
 ;;; @ presentation of preview
 ;;;
@@ -1592,6 +1701,26 @@ It calls function registered in variable
 
 (provide 'mime-view)
 
-(run-hooks 'mime-view-load-hook)
+(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
+           (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))))
 
 ;;; mime-view.el ends here