+(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)
+ ))
+
+(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)
+ (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))
+ (setq a-order 7)
+ ))
+ (setq a-order 8)
+ )
+ (if (symbolp b-t)
+ (let ((ret (assq b-t order)))
+ (if ret
+ (setq b-order (cdr ret))
+ (setq b-order 7)
+ ))
+ (setq b-order 8)
+ )
+ (if (= a-order b-order)
+ (string< (format "%s" a-t)(format "%s" b-t))
+ (< a-order b-order))
+ )))
+ )
+
+(defun mime-unify-situations (entity-situation
+ condition situation-examples
+ &optional required-name ignored-value
+ every-situations)
+ (let (ret)
+ (in-calist-package 'mime-view)
+ (setq ret
+ (ctree-find-calist condition entity-situation
+ every-situations))
+ (if required-name
+ (setq ret (mime-delq-null-situation ret required-name
+ ignored-value t)))
+ (or (assq 'ignore-examples entity-situation)
+ (if (cdr ret)
+ (let ((rest ret)
+ (max-score 0)
+ (max-escore 0)
+ max-examples
+ max-situations)
+ (while rest
+ (let ((situation (car rest))
+ (examples situation-examples))
+ (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 situation-examples)))
+ (if cell
+ (setcdr cell (1+ (cdr cell)))
+ (setq situation-examples
+ (cons (cons example 0)
+ situation-examples))
+ ))
+ (setq max-examples (cdr max-examples))
+ )))))
+ (cons ret situation-examples)
+ ;; ret: list of situations
+ ;; situation-examples: new examples (notoce that contents of
+ ;; argument `situation-examples' has bees modified)
+ ))
+
+(defun mime-view-entity-title (entity)
+ (or (mime-entity-read-field entity 'Content-Description)
+ (mime-entity-read-field entity 'Subject)
+ (mime-entity-filename entity)
+ ""))
+
+(defvar mime-preview-situation-example-list nil)
+(defvar mime-preview-situation-example-list-max-size 16)
+;; (defvar mime-preview-situation-example-condition nil)
+
+(defun mime-find-entity-preview-situation (entity
+ &optional default-situation)
+ (or (let ((ret
+ (mime-unify-situations
+ (append (mime-entity-situation entity)
+ default-situation)
+ mime-preview-condition
+ mime-preview-situation-example-list)))
+ (setq mime-preview-situation-example-list
+ (cdr ret))
+ (caar ret))
+ default-situation))
+
+
+(defvar mime-acting-situation-example-list nil)
+(defvar mime-acting-situation-example-list-max-size 16)
+(defvar mime-situation-examples-file-coding-system nil)
+
+(defun mime-save-situation-examples ()
+ (if (or mime-preview-situation-example-list
+ mime-acting-situation-example-list)
+ (let ((file mime-situation-examples-file))
+ (with-temp-buffer
+ (insert ";;; " (file-name-nondirectory file) "\n")
+ (insert "\n;; This file is generated automatically by "
+ mime-view-version "\n\n")
+ (insert ";;; Code:\n\n")
+ (if mime-preview-situation-example-list
+ (pp `(setq mime-preview-situation-example-list
+ ',mime-preview-situation-example-list)
+ (current-buffer)))
+ (if mime-acting-situation-example-list
+ (pp `(setq mime-acting-situation-example-list
+ ',mime-acting-situation-example-list)
+ (current-buffer)))
+ (insert "\n;;; "
+ (file-name-nondirectory file)
+ " ends here.\n")
+ (setq buffer-file-coding-system
+ mime-situation-examples-file-coding-system)
+ ;; (static-cond
+ ;; ((boundp 'buffer-file-coding-system)
+ ;; (setq buffer-file-coding-system
+ ;; mime-situation-examples-file-coding-system))
+ ;; ((boundp 'file-coding-system)
+ ;; (setq file-coding-system
+ ;; mime-situation-examples-file-coding-system)))
+ (setq buffer-file-name file)
+ (save-buffer)))))
+
+(add-hook 'kill-emacs-hook 'mime-save-situation-examples)
+
+(defun mime-reduce-situation-examples (situation-examples)
+ (let ((len (length situation-examples))
+ 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 situation-examples)
+ (while (< i len)
+ (setq ic (car ir)
+ j 0
+ jr situation-examples)
+ (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) situation-examples))
+ (setcdr jr (cddr jr))
+ (if (= d-i 0)
+ (setq situation-examples
+ (cdr situation-examples))
+ (setq ir (nthcdr (1- d-i) situation-examples))
+ (setcdr ir (cddr ir))
+ )
+ (if (setq ir (assoc (car dest) situation-examples))
+ (progn
+ (setcdr ir (+ (cdr ir)(cdr dest)))
+ situation-examples)
+ (cons dest situation-examples)
+ ;; situation-examples may be modified.
+ )))
+
+
+;;; @ presentation of preview
+;;;
+
+;;; @@ entity-button
+;;;
+
+;;; @@@ predicate function
+;;;
+
+;; (defun mime-view-entity-button-visible-p (entity)
+;; "Return non-nil if header of ENTITY is visible.
+;; Please redefine this function if you want to change default setting."
+;; (let ((media-type (mime-entity-media-type entity))
+;; (media-subtype (mime-entity-media-subtype entity)))
+;; (or (not (eq media-type 'application))
+;; (and (not (eq media-subtype 'x-selection))
+;; (or (not (eq media-subtype 'octet-stream))
+;; (let ((mother-entity (mime-entity-parent entity)))
+;; (or (not (eq (mime-entity-media-type mother-entity)
+;; 'multipart))
+;; (not (eq (mime-entity-media-subtype mother-entity)
+;; 'encrypted)))
+;; )
+;; )))))
+
+;;; @@@ entity button generator
+;;;
+
+(defun mime-view-insert-entity-button (entity)