;;; mime-view.el --- interactive MIME viewer for GNU Emacs
-;; Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Created: 1994/07/13
(const :tag "On" t)
(sexp :tag "Situation" 1)))
+
;;; @ in raw-buffer (representation space)
;;;
`binary' or `cooked'.")
-;; (defun mime-raw-find-entity-from-point (point &optional message-info)
-;; "Return entity from POINT in mime-raw-buffer.
-;; If optional argument MESSAGE-INFO is not specified,
-;; `mime-message-structure' is used."
-;; (or message-info
-;; (setq message-info mime-message-structure))
-;; (if (and (<= (mime-entity-point-min message-info) point)
-;; (<= point (mime-entity-point-max message-info)))
-;; (let ((children (mime-entity-children message-info)))
-;; (catch 'tag
-;; (while children
-;; (let ((ret
-;; (mime-raw-find-entity-from-point point (car children))))
-;; (if ret
-;; (throw 'tag ret)
-;; ))
-;; (setq children (cdr children)))
-;; message-info))))
-;; (make-obsolete 'mime-raw-find-entity-from-point "don't use it.")
-
-
;;; @ in preview-buffer (presentation space)
;;;
)))
)
-(defun mime-unify-situations (entity-situation condition situation-examples
- &optional ignored-method)
+(defun mime-unify-situations (entity-situation
+ condition situation-examples
+ &optional required-name ignored-value)
(let (ret)
(in-calist-package 'mime-view)
(setq ret
- (mime-delq-null-situation
- (ctree-find-calist condition entity-situation
- mime-view-find-every-situations)
- 'method ignored-method))
+ (ctree-find-calist condition entity-situation
+ mime-view-find-every-situations))
+ (if required-name
+ (setq ret (mime-delq-null-situation ret required-name ignored-value)))
(or (assq 'ignore-examples entity-situation)
(if (cdr ret)
(let ((rest ret)
""))
(defvar mime-preview-situation-example-list nil)
-(defvar mime-acting-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)
(defun mime-save-situation-examples ()
;;; @@@ 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)))
- )
- )))))
+;; (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
;;;
(body-presentation-method . mime-display-multipart/alternative)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . message)(subtype . partial)
- (body-presentation-method
- . mime-display-message/partial-button)))
+ 'mime-preview-condition
+ '((type . multipart)(subtype . t)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . message)(subtype . partial)
+ (body . visible)
+ (body-presentation-method . mime-display-message/partial-button)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . message)(subtype . rfc822)
- (body-presentation-method . nil)
- (childrens-situation (header . visible)
- (entity-button . invisible))))
+ 'mime-preview-condition
+ '((type . message)(subtype . rfc822)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . message)(subtype . news)
- (body-presentation-method . nil)
- (childrens-situation (header . visible)
- (entity-button . invisible))))
+ 'mime-preview-condition
+ '((type . message)(subtype . news)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
;;; @@@ entity presentation
(mapcar (function
(lambda (child)
(let ((situation
- (or (ctree-match-calist
- mime-preview-condition
- (append (mime-entity-situation child)
- default-situation))
- default-situation)))
+ (mime-find-entity-preview-situation
+ child default-situation)))
(if (cdr (assq 'body-presentation-method situation))
(let ((score
(cdr
(or preview-buffer
(setq preview-buffer (current-buffer)))
(let* (e nb ne nhb nbb)
- (mime-goto-header-start-point entity)
(in-calist-package 'mime-view)
(or situation
(setq situation
- (or (ctree-match-calist mime-preview-condition
- (append (mime-entity-situation entity)
- default-situation))
- default-situation)))
+ (mime-find-entity-preview-situation entity default-situation)))
(let ((button-is-invisible
- (eq (cdr (assq 'entity-button situation)) 'invisible))
+ (eq (cdr (or (assq '*entity-button situation)
+ (assq 'entity-button situation)))
+ 'invisible))
(header-is-visible
- (eq (cdr (assq 'header situation)) 'visible))
- (header-presentation-method
- (or (cdr (assq 'header-presentation-method situation))
- (cdr (assq (cdr (assq 'major-mode situation))
- mime-header-presentation-method-alist))))
- (body-presentation-method
- (cdr (assq 'body-presentation-method situation)))
+ (eq (cdr (or (assq '*header situation)
+ (assq 'header situation)))
+ 'visible))
+ (body-is-visible
+ (eq (cdr (or (assq '*body situation)
+ (assq 'body situation)))
+ 'visible))
(children (mime-entity-children entity)))
(set-buffer preview-buffer)
(setq nb (point))
(narrow-to-region nb nb)
(or button-is-invisible
- (if (mime-view-entity-button-visible-p entity)
- (mime-view-insert-entity-button entity)
- ))
- (when header-is-visible
- (setq nhb (point))
- (if header-presentation-method
- (funcall header-presentation-method entity situation)
- (mime-insert-header entity
- mime-view-ignored-field-list
- mime-view-visible-field-list))
- (run-hooks 'mime-display-header-hook)
- (put-text-property nhb (point-max) 'mime-view-entity-header entity)
- (goto-char (point-max))
- (insert "\n")
- )
+ ;; (if (mime-view-entity-button-visible-p entity)
+ (mime-view-insert-entity-button entity)
+ ;; )
+ )
+ (if header-is-visible
+ (let ((header-presentation-method
+ (or (cdr (assq 'header-presentation-method situation))
+ (cdr (assq (cdr (assq 'major-mode situation))
+ mime-header-presentation-method-alist)))))
+ (setq nhb (point))
+ (if header-presentation-method
+ (funcall header-presentation-method entity situation)
+ (mime-insert-header entity
+ mime-view-ignored-field-list
+ mime-view-visible-field-list))
+ (run-hooks 'mime-display-header-hook)
+ (put-text-property nhb (point-max) 'mime-view-entity-header entity)
+ (goto-char (point-max))
+ (insert "\n")))
(setq nbb (point))
- (cond (children)
- ((functionp body-presentation-method)
- (funcall body-presentation-method entity situation)
- )
- (t
- (when button-is-invisible
- (goto-char (point-max))
- (mime-view-insert-entity-button entity)
- )
- (or header-is-visible
- (progn
- (goto-char (point-max))
- (insert "\n")
- ))
- ))
+ (unless children
+ (if body-is-visible
+ (let ((body-presentation-method
+ (cdr (assq 'body-presentation-method situation))))
+ (if (functionp body-presentation-method)
+ (funcall body-presentation-method entity situation)
+ (mime-display-text/plain entity situation)))
+ (when button-is-invisible
+ (goto-char (point-max))
+ (mime-view-insert-entity-button entity)
+ )
+ (unless header-is-visible
+ (goto-char (point-max))
+ (insert "\n"))
+ ))
(setq ne (point-max))
(widen)
(put-text-property nb ne 'mime-view-entity entity)
(put-text-property nb ne 'mime-view-situation situation)
(put-text-property nbb ne 'mime-view-entity-body entity)
(goto-char ne)
- (if children
- (if (functionp body-presentation-method)
- (funcall body-presentation-method entity situation)
- (mime-display-multipart/mixed entity situation)
- ))
+ (if (and children body-is-visible)
+ (let ((body-presentation-method
+ (cdr (assq 'body-presentation-method situation))))
+ (if (functionp body-presentation-method)
+ (funcall body-presentation-method entity situation)
+ (mime-display-multipart/mixed entity situation))))
)))
(define-key mime-view-mode-map
"\C-c\C-p" (function mime-preview-print-current-entity))
(define-key mime-view-mode-map
+ "\C-c\C-t\C-h" (function mime-preview-toggle-header))
+ (define-key mime-view-mode-map
+ "\C-c\C-t\C-b" (function mime-preview-toggle-body))
+ (define-key mime-view-mode-map
"a" (function mime-preview-follow-current-entity))
(define-key mime-view-mode-map
"q" (function mime-preview-quit))
(setq preview-buffer
(concat "*Preview-" (mime-entity-name message) "*")))
(or original-major-mode
- (setq original-major-mode
- (with-current-buffer (mime-entity-header-buffer message)
- major-mode)))
+ (setq original-major-mode major-mode))
(let ((inhibit-read-only t))
(set-buffer (get-buffer-create preview-buffer))
(widen)
)
+;;; @@ utility
+;;;
+
+(defun mime-preview-find-boundary-info (&optional get-mother)
+ (let (entity
+ p-beg p-end
+ entity-node-id len)
+ (while (null (setq entity
+ (get-text-property (point) 'mime-view-entity)))
+ (backward-char))
+ (setq p-beg (previous-single-property-change (point) 'mime-view-entity))
+ (setq entity-node-id (mime-entity-node-id entity))
+ (setq len (length entity-node-id))
+ (cond ((null p-beg)
+ (setq p-beg
+ (if (eq (next-single-property-change (point-min)
+ 'mime-view-entity)
+ (point))
+ (point)
+ (point-min)))
+ )
+ ((eq (next-single-property-change p-beg 'mime-view-entity)
+ (point))
+ (setq p-beg (point))
+ ))
+ (setq p-end (next-single-property-change p-beg 'mime-view-entity))
+ (cond ((null p-end)
+ (setq p-end (point-max))
+ )
+ ((null entity-node-id)
+ (setq p-end (point-max))
+ )
+ (get-mother
+ (save-excursion
+ (goto-char p-end)
+ (catch 'tag
+ (let (e i)
+ (while (setq e
+ (next-single-property-change
+ (point) 'mime-view-entity))
+ (goto-char e)
+ (let ((rc (mime-entity-node-id
+ (get-text-property (1- (point))
+ 'mime-view-entity))))
+ (or (and (>= (setq i (- (length rc) len)) 0)
+ (equal entity-node-id (nthcdr i rc)))
+ (throw 'tag nil)))
+ (setq p-end e)))
+ (setq p-end (point-max))))
+ ))
+ (vector p-beg p-end entity)))
+
+
;;; @@ playing
;;;
It calls following-method selected from variable
`mime-preview-following-method-alist'."
(interactive)
- (let (entity)
- (while (null (setq entity
- (get-text-property (point) 'mime-view-entity)))
- (backward-char)
- )
- (let* ((p-beg
- (previous-single-property-change (point) 'mime-view-entity))
- p-end
- ph-end
+ (let ((entity (mime-preview-find-boundary-info t))
+ p-beg p-end
+ pb-beg)
+ (setq p-beg (aref entity 0)
+ p-end (aref entity 1)
+ entity (aref entity 2))
+ (if (get-text-property p-beg 'mime-view-entity-body)
+ (setq pb-beg p-beg)
+ (setq pb-beg
+ (next-single-property-change
+ p-beg 'mime-view-entity-body nil
+ (or (next-single-property-change p-beg 'mime-view-entity)
+ p-end))))
+ (let* ((mode (mime-preview-original-major-mode 'recursive))
(entity-node-id (mime-entity-node-id entity))
- (len (length entity-node-id))
- )
- (cond ((null p-beg)
- (setq p-beg
- (if (eq (next-single-property-change (point-min)
- 'mime-view-entity)
- (point))
- (point)
- (point-min)))
- )
- ((eq (next-single-property-change p-beg 'mime-view-entity)
- (point))
- (setq p-beg (point))
- ))
- (setq p-end (next-single-property-change p-beg 'mime-view-entity))
- (cond ((null p-end)
- (setq p-end (point-max))
- )
- ((null entity-node-id)
- (setq p-end (point-max))
- )
- (t
- (save-excursion
- (goto-char p-end)
- (catch 'tag
- (let (e)
- (while (setq e
- (next-single-property-change
- (point) 'mime-view-entity))
- (goto-char e)
- (let ((rc (mime-entity-node-id
- (get-text-property (point)
- 'mime-view-entity))))
- (or (equal entity-node-id
- (nthcdr (- (length rc) len) rc))
- (throw 'tag nil)
- ))
- (setq p-end e)
- ))
- (setq p-end (point-max))
- ))
- ))
- (setq ph-end
- (previous-single-property-change p-end 'mime-view-entity-header))
- (if (or (null ph-end)
- (< ph-end p-beg))
- (setq ph-end p-beg)
- )
- (let* ((mode (mime-preview-original-major-mode 'recursive))
- (new-name
- (format "%s-%s" (buffer-name) (reverse entity-node-id)))
- new-buf
- (the-buf (current-buffer))
- fields)
- (save-excursion
- (set-buffer (setq new-buf (get-buffer-create new-name)))
- (erase-buffer)
- (insert-buffer-substring the-buf ph-end p-end)
- (when (= ph-end p-beg)
- (goto-char (point-min))
- (insert ?\n))
- (goto-char (point-min))
- (let ((current-entity
- (if (and (eq (mime-entity-media-type entity) 'message)
- (eq (mime-entity-media-subtype entity) 'rfc822))
- (mime-entity-children entity)
- entity))
- str)
- (while (and current-entity
- (progn
- (setq str
- (with-current-buffer
- (mime-entity-header-buffer current-entity)
- (save-restriction
- (narrow-to-region
- (mime-entity-header-start-point
- current-entity)
- (mime-entity-header-end-point
- current-entity))
- (std11-header-string-except
- (concat
- "^"
- (apply (function regexp-or) fields)
- ":") ""))))
- (if (and (eq (mime-entity-media-type
- current-entity) 'message)
- (eq (mime-entity-media-subtype
- current-entity) 'rfc822))
- nil
- (if str
- (insert str)
- )
- t)))
- (setq fields (std11-collect-field-names)
- current-entity (mime-entity-parent current-entity))
- )
- )
- (let ((rest mime-view-following-required-fields-list)
- field-name ret)
- (while rest
- (setq field-name (car rest))
- (or (std11-field-body field-name)
- (progn
- (save-excursion
- (set-buffer the-buf)
- (let ((entity (when mime-mother-buffer
- (set-buffer mime-mother-buffer)
- (get-text-property (point)
- 'mime-view-entity))))
- (while (and entity
- (null (setq ret (mime-entity-fetch-field
- entity field-name))))
- (setq entity (mime-entity-parent entity)))))
- (if ret
- (insert (concat field-name ": " ret "\n"))
- )))
- (setq rest (cdr rest))
- ))
- (mime-decode-header-in-buffer)
- )
- (let ((f (cdr (assq mode mime-preview-following-method-alist))))
- (if (functionp f)
- (funcall f new-buf)
- (message
- (format
- "Sorry, following method for %s is not implemented yet."
- mode))
+ (new-name
+ (format "%s-%s" (buffer-name) (reverse entity-node-id)))
+ new-buf
+ (the-buf (current-buffer))
+ fields)
+ (save-excursion
+ (set-buffer (setq new-buf (get-buffer-create new-name)))
+ (erase-buffer)
+ (insert ?\n)
+ (insert-buffer-substring the-buf pb-beg p-end)
+ (goto-char (point-min))
+ (let ((current-entity
+ (if (and (eq (mime-entity-media-type entity) 'message)
+ (eq (mime-entity-media-subtype entity) 'rfc822))
+ (car (mime-entity-children entity))
+ entity))
+ str)
+ (while (and current-entity
+ (if (and (eq (mime-entity-media-type
+ current-entity) 'message)
+ (eq (mime-entity-media-subtype
+ current-entity) 'rfc822))
+ nil
+ (mime-insert-header current-entity fields)
+ t))
+ (setq fields (std11-collect-field-names)
+ current-entity (mime-entity-parent current-entity))
))
- ))))
+ (let ((rest mime-view-following-required-fields-list)
+ field-name ret)
+ (while rest
+ (setq field-name (car rest))
+ (or (std11-field-body field-name)
+ (progn
+ (save-excursion
+ (set-buffer the-buf)
+ (let ((entity (when mime-mother-buffer
+ (set-buffer mime-mother-buffer)
+ (get-text-property (point)
+ 'mime-view-entity))))
+ (while (and entity
+ (null (setq ret (mime-entity-fetch-field
+ entity field-name))))
+ (setq entity (mime-entity-parent entity)))))
+ (if ret
+ (insert (concat field-name ": " ret "\n"))
+ )))
+ (setq rest (cdr rest))
+ ))
+ )
+ (let ((f (cdr (assq mode mime-preview-following-method-alist))))
+ (if (functionp f)
+ (funcall f new-buf)
+ (message
+ (format
+ "Sorry, following method for %s is not implemented yet."
+ mode))
+ ))
+ )))
;;; @@ moving
(mime-preview-scroll-down-entity (or lines 1))
)
+
+;;; @@ display
+;;;
+
+(defun mime-preview-toggle-header ()
+ (interactive)
+ (let ((situation (mime-preview-find-boundary-info))
+ entity p-beg p-end)
+ (setq p-beg (aref situation 0)
+ p-end (aref situation 1)
+ entity (aref situation 2)
+ situation (get-text-property p-beg 'mime-view-situation))
+ (let ((cell (assq '*header situation)))
+ (if (null cell)
+ (setq cell (assq 'header situation)))
+ (if (eq (cdr cell) 'visible)
+ (setq situation (put-alist '*header 'invisible situation))
+ (setq situation (put-alist '*header 'visible situation))))
+ (save-excursion
+ (let ((inhibit-read-only t))
+ (delete-region p-beg p-end)
+ (mime-display-entity entity situation)))
+ (let ((ret (assoc situation mime-preview-situation-example-list)))
+ (if ret
+ (setcdr ret (1+ (cdr ret)))
+ (add-to-list 'mime-preview-situation-example-list
+ (cons situation 0))))))
+
+(defun mime-preview-toggle-body ()
+ (interactive)
+ (let ((situation (mime-preview-find-boundary-info))
+ entity p-beg p-end)
+ (setq p-beg (aref situation 0)
+ p-end (aref situation 1)
+ entity (aref situation 2)
+ situation (get-text-property p-beg 'mime-view-situation))
+ (let ((cell (assq '*body situation)))
+ (if (null cell)
+ (setq cell (assq 'body situation)))
+ (if (eq (cdr cell) 'visible)
+ (setq situation (put-alist '*body 'invisible situation))
+ (setq situation (put-alist '*body 'visible situation))))
+ (save-excursion
+ (let ((inhibit-read-only t))
+ (delete-region p-beg p-end)
+ (mime-display-entity entity situation)
+ ))
+ (let ((ret (assoc situation mime-preview-situation-example-list)))
+ (if ret
+ (setcdr ret (1+ (cdr ret)))
+ (add-to-list 'mime-preview-situation-example-list
+ (cons situation 0))))))
+
+
;;; @@ quitting
;;;
;; format check
(condition-case nil
(let ((i 0))
+ (while (and (> (length mime-preview-situation-example-list)
+ mime-preview-situation-example-list-max-size)
+ (< i 16))
+ (setq mime-preview-situation-example-list
+ (mime-reduce-situation-examples
+ mime-preview-situation-example-list))
+ (setq i (1+ i))
+ ))
+ (error (setq mime-preview-situation-example-list nil)))
+ ;; (let ((rest mime-preview-situation-example-list))
+ ;; (while rest
+ ;; (ctree-set-calist-strictly 'mime-preview-condition
+ ;; (caar rest))
+ ;; (setq rest (cdr rest))))
+ (condition-case nil
+ (let ((i 0))
(while (and (> (length mime-acting-situation-example-list)
mime-acting-situation-example-list-max-size)
(< i 16))
projects / elisp / semi.git / blobdiff