;; Renamed: 1997/02/19 from tm-view.el
;; Keywords: MIME, multimedia, mail, news
-;; This file is part of SEMI (Sophisticated Emacs MIME Interfaces).
+;; This file is part of WEMI (Widget based 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 'mel)
(require 'eword-decode)
(require 'mime-parse)
+(require 'semi-def)
(require 'calist)
+(require 'mailcap)
;;; @ version
" (" (cadr mime-module-version) ")"))
+;;; @ variables
+;;;
+
+(defgroup mime-view nil
+ "MIME view mode"
+ :group 'mime)
+
+(defcustom mime-view-find-every-acting-situation t
+ "*Find every available acting-situation if non-nil."
+ :group 'mime-view
+ :type 'boolean)
+
+(defcustom mime-acting-situation-examples-file "~/.mime-example"
+ "*File name of example about acting-situation demonstrated by user."
+ :group 'mime-view
+ :type 'file)
+
+
;;; @ buffer local variables
;;;
;;; @@@ predicate function
;;;
-(defvar mime-view-content-button-visible-ctype-list
- '("application/pgp"))
-
(defun mime-view-entity-button-visible-p (entity message-info)
"Return non-nil if header of ENTITY is visible.
Please redefine this function if you want to change default setting."
- (and (not (mime-root-entity-p entity))
- (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-raw-entity-parent entity message-info)))
- (or (not (eq (mime-entity-media-type mother-entity)
- 'multipart))
- (not (eq (mime-entity-media-subtype mother-entity)
- 'encrypted)))
- )
- ))))))
+ (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-raw-entity-parent entity message-info)))
+ (or (not (eq (mime-entity-media-type mother-entity)
+ 'multipart))
+ (not (eq (mime-entity-media-subtype mother-entity)
+ 'encrypted)))
+ )
+ )))))
;;; @@@ entity button generator
;;;
;;; @@@ predicate function
;;;
-(defvar mime-view-childrens-header-showing-Content-Type-list
- '("message/rfc822" "message/news"))
-
-(defun mime-view-header-visible-p (entity message-info)
- "Return non-nil if header of ENTITY is visible."
- (let ((entity-node-id (mime-entity-node-id entity)))
- (or (null entity-node-id)
- (member (mime-entity-type/subtype
- (mime-raw-find-entity-from-node-id
- (cdr entity-node-id) message-info))
- mime-view-childrens-header-showing-Content-Type-list)
- )))
+;; (defvar mime-view-childrens-header-showing-Content-Type-list
+;; '("message/rfc822" "message/news"))
+
+;; (defun mime-view-header-visible-p (entity message-info)
+;; "Return non-nil if header of ENTITY is visible."
+;; (let ((entity-node-id (mime-entity-node-id entity)))
+;; (member (mime-entity-type/subtype
+;; (mime-raw-find-entity-from-node-id
+;; (cdr entity-node-id) message-info))
+;; mime-view-childrens-header-showing-Content-Type-list)
+;; ))
;;; @@@ entity header filter
;;;
;;; @@@ predicate function
;;;
+(defun mime-calist::field-match-method-as-default-rule (calist
+ field-type field-value)
+ (let ((s-field (assq field-type calist)))
+ (cond ((null s-field)
+ (cons (cons field-type field-value) calist)
+ )
+ (t calist))))
+
+(define-calist-field-match-method
+ 'header #'mime-calist::field-match-method-as-default-rule)
+
+(define-calist-field-match-method
+ 'body #'mime-calist::field-match-method-as-default-rule)
+
+
(defvar mime-preview-condition nil
"Condition-tree about how to display entity.")
(body-presentation-method
. mime-view-insert-message/partial-button)))
-(defun mime-view-body-visible-p (entity message-info)
- "Return non-nil if body of ENTITY is visible."
- (ctree-match-calist mime-preview-condition
- (list* (cons 'type (mime-entity-media-type entity))
- (cons 'subtype (mime-entity-media-subtype entity))
- (cons 'encoding (mime-entity-encoding entity))
- (cons 'major-mode major-mode)
- (mime-entity-parameters entity))))
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . rfc822)
+ (body-presentation-method . nil)
+ (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))))
;;; @@@ entity filter
(defvar mime-view-announcement-for-message/partial
(if (and (>= emacs-major-version 19) window-system)
"\
-\[[ This is message/partial style split message. ]]
-\[[ Please press `v' key in this buffer ]]
-\[[ or click here by mouse button-2. ]]"
+This is message/partial style split message.
+Please press `v' key in this buffer or click here by mouse button-2."
"\
-\[[ This is message/partial style split message. ]]
-\[[ Please press `v' key in this buffer. ]]"
+This is message/partial style split message.
+Please press `v' key in this buffer."
))
(defun mime-view-insert-message/partial-button (&optional situation)
(insert "\n")
)
(goto-char (point-max))
- (narrow-to-region (point-max)(point-max))
- (insert mime-view-announcement-for-message/partial)
- (mime-add-button (point-min)(point-max)
- #'mime-preview-play-current-entity)
+ ;;(narrow-to-region (point-max)(point-max))
+ ;;(insert mime-view-announcement-for-message/partial)
+ ;; (mime-add-button (point-min)(point-max)
+ ;; #'mime-preview-play-current-entity)
+ (mime-insert-button mime-view-announcement-for-message/partial
+ #'mime-preview-play-current-entity)
))
-;;; @@ entity separator
+;;; @ acting-condition
;;;
-(defun mime-view-entity-separator-visible-p (entity message-info)
- "Return non-nil if separator is needed for ENTITY."
- (and (not (mime-view-header-visible-p entity message-info))
- (not (mime-view-body-visible-p entity message-info))))
+(defvar mime-acting-condition nil
+ "Condition-tree about how to process entity.")
+
+(if (file-readable-p mailcap-file)
+ (let ((entries (mailcap-parse-file)))
+ (while entries
+ (let ((entry (car entries))
+ view print shared)
+ (while entry
+ (let* ((field (car entry))
+ (field-type (car field)))
+ (cond ((eq field-type 'view) (setq view field))
+ ((eq field-type 'print) (setq print field))
+ ((memq field-type '(compose composetyped edit)))
+ (t (setq shared (cons field shared))))
+ )
+ (setq entry (cdr entry))
+ )
+ (setq shared (nreverse shared))
+ (ctree-set-calist-strictly
+ 'mime-acting-condition
+ (append shared (list '(mode . "play")(cons 'method (cdr view)))))
+ (if print
+ (ctree-set-calist-strictly
+ 'mime-acting-condition
+ (append shared
+ (list '(mode . "print")(cons 'method (cdr view))))
+ ))
+ )
+ (setq entries (cdr entries))
+ )))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . t)(subtype . t)(mode . "extract")
+;; (method . mime-method-to-save)))
+(ctree-set-calist-with-default
+ 'mime-acting-condition
+ '((mode . "extract")
+ (method . mime-method-to-save)))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . text)(subtype . plain)(mode . "play")
+;; (method "tm-plain" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . text)(subtype . plain)(mode . "print")
+;; (method "tm-plain" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . text)(subtype . html)(mode . "play")
+;; (method "tm-html" nil 'file "" 'encoding 'mode 'name)
+;; ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . text)(subtype . x-rot13-47)(mode . "play")
+ (method . mime-method-to-display-caesar)
+ ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . text)(subtype . x-rot13-47-48)(mode . "play")
+ (method . mime-method-to-display-caesar)
+ ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . audio)(subtype . basic)(mode . "play")
+;; (method "tm-au" nil 'file "" 'encoding 'mode 'name)
+;; ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . image)(mode . "play")
+;; (method "tm-image" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . image)(mode . "print")
+;; (method "tm-image" nil 'file "" 'encoding 'mode 'name)
+;; ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . video)(subtype . mpeg)(mode . "play")
+;; (method "tm-mpeg" nil 'file "" 'encoding 'mode 'name)
+;; ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . application)(subtype . postscript)(mode . "play")
+;; (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . application)(subtype . postscript)(mode . "print")
+;; (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
+;; ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . rfc822)(mode . "play")
+ (method . mime-method-to-display-message/rfc822)
+ ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . partial)(mode . "play")
+ (method . mime-method-to-store-message/partial)
+ ))
-;;; @ acting-condition
-;;;
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . external-body)
+ ("access-type" . "anon-ftp")
+ (method . mime-method-to-display-message/external-ftp)
+ ))
-(defvar mime-acting-condition
- '(((type . text)(subtype . plain)
- (method "tm-plain" nil 'file "" 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . text)(subtype . html)
- (method "tm-html" nil 'file "" 'encoding 'mode 'name)
- (mode . "play")
- )
- ((type . text)(subtype . x-rot13-47)
- (method . mime-method-to-display-caesar)
- (mode . "play")
- )
- ((type . text)(subtype . x-rot13-47-48)
- (method . mime-method-to-display-caesar)
- (mode . "play")
- )
-
- ((type . audio)(subtype . basic)
- (method "tm-au" nil 'file "" 'encoding 'mode 'name)
- (mode . "play")
- )
-
- ((type . image)
- (method "tm-image" nil 'file "" 'encoding 'mode 'name)
- (mode "play" "print")
- )
-
- ((type . video)(subtype . mpeg)
- (method "tm-mpeg" nil 'file "" 'encoding 'mode 'name)
- (mode . "play")
- )
-
- ((type . application)(subtype . postscript)
- (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . application)(subtype . octet-stream)
- (method . mime-method-to-save)(mode "play" "print")
- )
-
- ((type . message)(subtype . external-body)
- ("access-type" . "anon-ftp")
- (method . mime-method-to-display-message/external-ftp)
- )
- ((type . message)(subtype . rfc822)
- (method . mime-method-to-display-message/rfc822)
- (mode . "play")
- )
- ((type . message)(subtype . partial)
- (method . mime-method-to-store-message/partial)
- (mode . "play")
- )
-
- ((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
- (mode . "play")
- )
- ((method . mime-method-to-save)(mode . "extract"))
- ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . application)(subtype . octet-stream)
+ (method . mime-method-to-save)
+ ))
;;; @ quitting method
(setq mime-preview-original-major-mode mode)
(setq major-mode 'mime-view-mode)
(setq mode-name "MIME-View")
- (let ((pcl (mime-raw-flatten-message-info message-info)))
- (while pcl
- (mime-view-display-entity (car pcl) message-info the-buf obuf)
- (setq pcl (cdr pcl))
- ))
+ (mime-view-display-message message-info the-buf obuf)
(set-buffer-modified-p nil)
)
(setq buffer-read-only t)
(setq mime-preview-buffer obuf)
)
-(defun mime-view-display-entity (entity message-info ibuf obuf)
- "Display ENTITY."
- (let* ((start (mime-entity-point-min entity))
- (end (mime-entity-point-max entity))
- (media-type (mime-entity-media-type entity))
- (media-subtype (mime-entity-media-subtype entity))
- (ctype (if media-type
- (if media-subtype
- (format "%s/%s" media-type media-subtype)
- (symbol-name media-type)
- )))
- (params (mime-entity-parameters entity))
- (encoding (mime-entity-encoding entity))
- (entity-node-id (mime-entity-node-id entity))
+(defun mime-view-display-message (message-info ibuf obuf)
+ (let* ((start (mime-entity-point-min message-info))
+ (end (mime-entity-point-max message-info))
+ (media-type (mime-entity-media-type message-info))
+ (media-subtype (mime-entity-media-subtype message-info))
+ (params (mime-entity-parameters message-info))
+ (encoding (mime-entity-encoding message-info))
end-of-header e nb ne subj)
(set-buffer ibuf)
(goto-char start)
(set-buffer obuf)
(setq nb (point))
(narrow-to-region nb nb)
- (if (mime-view-entity-button-visible-p entity message-info)
- (mime-view-insert-entity-button entity message-info subj)
- )
- (if (mime-view-header-visible-p entity message-info)
- (save-restriction
- (narrow-to-region (point)(point))
- (insert-buffer-substring mime-raw-buffer start end-of-header)
- (let ((f (cdr (assq mime-preview-original-major-mode
- mime-view-content-header-filter-alist))))
- (if (functionp f)
- (funcall f)
- (mime-view-default-content-header-filter)
- ))
- (run-hooks 'mime-view-content-header-filter-hook)
- ))
- (if (and (mime-root-entity-p entity)
- (member
- ctype mime-view-content-button-visible-ctype-list))
- (save-excursion
- (goto-char (point-max))
- (mime-view-insert-entity-button entity message-info subj)
+ ;; Insert message-header
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert-buffer-substring mime-raw-buffer start end-of-header)
+ (let ((f (cdr (assq mime-preview-original-major-mode
+ mime-view-content-header-filter-alist))))
+ (if (functionp f)
+ (funcall f)
+ (mime-view-default-content-header-filter)
))
+ (run-hooks 'mime-view-content-header-filter-hook)
+ )
(let* ((situation
(ctree-match-calist mime-preview-condition
(list* (cons 'type media-type)
(cons 'encoding encoding)
(cons 'major-mode major-mode)
params)))
+ (message-button
+ (cdr (assq 'message-button situation)))
(body-presentation-method
(cdr (assq 'body-presentation-method situation))))
+ (when (eq message-button 'visible)
+ (goto-char (point-max))
+ (mime-view-insert-entity-button message-info message-info subj)
+ )
(cond ((eq body-presentation-method 'with-filter)
(let ((body-filter (cdr (assq 'body-filter situation))))
(save-restriction
((functionp body-presentation-method)
(funcall body-presentation-method situation)
)
- ((and (null entity-node-id)
- (null (mime-entity-children message-info)))
+ ((null (mime-entity-children message-info))
(goto-char (point-max))
- (mime-view-insert-entity-button entity message-info subj)
+ (mime-view-insert-entity-button message-info message-info subj)
))
- (when (mime-view-entity-separator-visible-p entity message-info)
- (goto-char (point-max))
- (insert "\n"))
+ (setq ne (point-max))
+ (widen)
+ (put-text-property nb ne 'mime-view-raw-buffer ibuf)
+ (put-text-property nb ne 'mime-view-entity message-info)
+ (goto-char ne)
+ (let ((children (mime-entity-children message-info))
+ (default-situation
+ (cdr (assq 'childrens-situation situation))))
+ (while children
+ (mime-view-display-entity (car children) message-info ibuf obuf
+ default-situation)
+ (setq children (cdr children))
+ )))))
+
+(defun mime-view-display-entity (entity message-info ibuf obuf
+ default-situation)
+ (let* ((start (mime-entity-point-min entity))
+ (end (mime-entity-point-max entity))
+ (media-type (mime-entity-media-type entity))
+ (media-subtype (mime-entity-media-subtype entity))
+ (params (mime-entity-parameters entity))
+ (encoding (mime-entity-encoding entity))
+ end-of-header e nb ne subj)
+ (set-buffer ibuf)
+ (goto-char start)
+ (setq end-of-header (if (re-search-forward "^$" nil t)
+ (1+ (match-end 0))
+ end))
+ (if (> end-of-header end)
+ (setq end-of-header end)
)
- (setq ne (point-max))
- (widen)
- (put-text-property nb ne 'mime-view-raw-buffer ibuf)
- (put-text-property nb ne 'mime-view-entity entity)
- (goto-char ne)
- ))
+ (save-restriction
+ (narrow-to-region start end)
+ (setq subj
+ (eword-decode-string
+ (mime-raw-get-subject params encoding)))
+ )
+ (let* ((situation
+ (ctree-match-calist mime-preview-condition
+ (list* (cons 'type media-type)
+ (cons 'subtype media-subtype)
+ (cons 'encoding encoding)
+ (cons 'major-mode major-mode)
+ (append params
+ default-situation))))
+ (button-is-invisible
+ (eq (cdr (assq 'entity-button situation)) 'invisible))
+ (header-is-visible
+ (eq (cdr (assq 'header situation)) 'visible))
+ (body-presentation-method
+ (cdr (assq 'body-presentation-method situation))))
+ (set-buffer obuf)
+ (setq nb (point))
+ (narrow-to-region nb nb)
+ (or button-is-invisible
+ (if (mime-view-entity-button-visible-p entity message-info)
+ (mime-view-insert-entity-button entity message-info subj)
+ ))
+ (if header-is-visible
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert-buffer-substring mime-raw-buffer start end-of-header)
+ (let ((f (cdr (assq mime-preview-original-major-mode
+ mime-view-content-header-filter-alist))))
+ (if (functionp f)
+ (funcall f)
+ (mime-view-default-content-header-filter)
+ ))
+ (run-hooks 'mime-view-content-header-filter-hook)
+ ))
+ (cond ((eq body-presentation-method 'with-filter)
+ (let ((body-filter (cdr (assq 'body-filter situation))))
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (insert-buffer-substring mime-raw-buffer end-of-header end)
+ (funcall body-filter situation)
+ )))
+ ((functionp body-presentation-method)
+ (funcall body-presentation-method situation)
+ ))
+ (or header-is-visible
+ body-presentation-method
+ (progn
+ (goto-char (point-max))
+ (insert "\n")
+ ))
+ (setq ne (point-max))
+ (widen)
+ (put-text-property nb ne 'mime-view-raw-buffer ibuf)
+ (put-text-property nb ne 'mime-view-entity entity)
+ (goto-char ne)
+ (let ((children (mime-entity-children entity))
+ (default-situation
+ (cdr (assq 'childrens-situation situation))))
+ (while children
+ (mime-view-display-entity (car children) message-info ibuf obuf
+ default-situation)
+ (setq children (cdr children))
+ )))))
(defun mime-raw-get-uu-filename (param &optional encoding)
(if (member (or encoding
It calls following-method selected from variable
`mime-view-following-method-alist'."
(interactive)
- (let ((message-info (get-text-property (point-min) 'mime-view-entity))
- entity)
+ (let (entity)
(while (null (setq entity
(get-text-property (point) 'mime-view-entity)))
(backward-char)
(erase-buffer)
(insert-buffer-substring the-buf p-beg p-end)
(goto-char (point-min))
- (if (mime-view-header-visible-p entity message-info)
- (delete-region (goto-char (point-min))
- (if (re-search-forward "^$" nil t)
- (match-end 0)
- (point-min)))
- )
- (goto-char (point-min))
- (insert "\n")
- (goto-char (point-min))
- (let ((entity-node-id (mime-entity-node-id entity)) ci str)
+ (let ((entity-node-id (mime-entity-node-id entity)) ci str)
(while (progn
(setq
str