;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Created: 1994/7/13
-;; Renamed: 1994/8/31 from tm-body.el
+;; Created: 1994/07/13
+;; Renamed: 1994/08/31 from tm-body.el
;; Renamed: 1997/02/19 from tm-view.el
;; Keywords: MIME, multimedia, mail, news
(require 'mel)
(require 'eword-decode)
(require 'mime-parse)
-(require 'mime-text)
+(require 'semi-def)
(require 'calist)
+(require 'alist)
+(require 'mailcap)
;;; @ version
;;;
(defconst mime-view-version-string
- `,(concat "SEMI MIME-View "
- (mapconcat #'number-to-string (cdr semi-version) ".")
- " (" (car semi-version) ")"))
+ `,(concat (car mime-module-version) " MIME-View "
+ (mapconcat #'number-to-string (cddr mime-module-version) ".")
+ " (" (cadr mime-module-version) ")"))
-;;; @ buffer local variables
+;;; @ variables
;;;
-;;; @@ in raw-buffer
+(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)
+
+
+;;; @ in raw-buffer (representation space)
;;;
-(defvar mime-raw-message-info
+(defvar mime-raw-message-info nil
"Information about structure of message.
Please use reference function `mime-entity-SLOT' to get value of SLOT.
Following is a list of slots of the structure:
-node-id reversed entity-number (list of integers)
-point-min beginning point of region in raw-buffer
-point-max end point of region in raw-buffer
-type media-type (symbol)
-subtype media-subtype (symbol)
-type/subtype media-type/subtype (string or nil)
-parameters parameter of Content-Type field (association list)
-encoding Content-Transfer-Encoding (string or nil)
-children entities included in this entity (list of content-infos)
+buffer buffer includes this entity (buffer).
+node-id node-id (list of integers)
+header-start minimum point of header in raw-buffer
+header-end maximum point of header in raw-buffer
+body-start minimum point of body in raw-buffer
+body-end maximum point of body in raw-buffer
+content-type content-type (content-type)
+content-disposition content-disposition (content-disposition)
+encoding Content-Transfer-Encoding (string or nil)
+children entities included in this entity (list of entity)
If an entity includes other entities in its body, such as multipart or
message/rfc822, `mime-entity' structures of them are included in
`children', so the `mime-entity' structure become a tree.")
(make-variable-buffer-local 'mime-raw-message-info)
+
(defvar mime-preview-buffer nil
"MIME-preview buffer corresponding with the (raw) buffer.")
(make-variable-buffer-local 'mime-preview-buffer)
-;;; @@ in preview-buffer
+(defvar mime-raw-representation-type nil
+ "Representation-type of mime-raw-buffer.
+It must be nil, `binary' or `cooked'.
+If it is nil, `mime-raw-representation-type-alist' is used as default
+value.
+Notice that this variable is usually used as buffer local variable in
+raw-buffer.")
+
+(make-variable-buffer-local 'mime-raw-representation-type)
+
+(defvar mime-raw-representation-type-alist
+ '((mime-show-message-mode . binary)
+ (mime-temp-message-mode . binary)
+ (t . cooked)
+ )
+ "Alist of major-mode vs. representation-type of mime-raw-buffer.
+Each element looks like (SYMBOL . REPRESENTATION-TYPE). SYMBOL is
+major-mode or t. t means default. REPRESENTATION-TYPE must be
+`binary' or `cooked'.
+This value is overridden by buffer local variable
+`mime-raw-representation-type' if it is not nil.")
+
+
+(defsubst mime-raw-find-entity-from-node-id (entity-node-id
+ &optional message-info)
+ "Return entity from ENTITY-NODE-ID in mime-raw-buffer.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' is used."
+ (mime-raw-find-entity-from-number (reverse entity-node-id) message-info))
+
+(defun mime-raw-find-entity-from-number (entity-number &optional message-info)
+ "Return entity from ENTITY-NUMBER in mime-raw-buffer.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' is used."
+ (or message-info
+ (setq message-info mime-raw-message-info))
+ (if (eq entity-number t)
+ message-info
+ (let ((sn (car entity-number)))
+ (if (null sn)
+ message-info
+ (let ((rc (nth sn (mime-entity-children message-info))))
+ (if rc
+ (mime-raw-find-entity-from-number (cdr entity-number) rc)
+ ))
+ ))))
+
+(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-raw-message-info' is used."
+ (or message-info
+ (setq message-info mime-raw-message-info))
+ (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))))
+
+
+;;; @ in preview-buffer (presentation space)
;;;
(defvar mime-mother-buffer nil
"Raw buffer corresponding with the (MIME-preview) buffer.")
(make-variable-buffer-local 'mime-raw-buffer)
-(defvar mime-preview-original-major-mode nil
- "Major-mode of mime-raw-buffer.")
-(make-variable-buffer-local 'mime-preview-original-major-mode)
-
+(defvar mime-preview-original-window-configuration nil
+ "Window-configuration before mime-view-mode is called.")
(make-variable-buffer-local 'mime-preview-original-window-configuration)
+(defun mime-preview-original-major-mode (&optional recursive)
+ "Return major-mode of original buffer.
+If optional argument RECURSIVE is non-nil and current buffer has
+mime-mother-buffer, it returns original major-mode of the
+mother-buffer."
+ (if (and recursive mime-mother-buffer)
+ (save-excursion
+ (set-buffer mime-mother-buffer)
+ (mime-preview-original-major-mode recursive)
+ )
+ (save-excursion
+ (set-buffer
+ (mime-entity-buffer
+ (get-text-property (point-min) 'mime-view-entity)))
+ major-mode)))
+
+
+;;; @ entity information
+;;;
+
+(defsubst mime-entity-parent (entity &optional message-info)
+ "Return mother entity of ENTITY.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' in buffer of ENTITY is used."
+ (mime-raw-find-entity-from-node-id
+ (cdr (mime-entity-node-id entity))
+ (or message-info
+ (save-excursion
+ (set-buffer (mime-entity-buffer entity))
+ mime-raw-message-info))))
+
+(defun mime-entity-situation (entity)
+ "Return situation of ENTITY."
+ (append (or (mime-entity-content-type entity)
+ (make-mime-content-type 'text 'plain))
+ (let ((d (mime-entity-content-disposition entity)))
+ (cons (cons 'disposition-type
+ (mime-content-disposition-type d))
+ (mapcar (function
+ (lambda (param)
+ (let ((name (car param)))
+ (cons (cond ((string= name "filename")
+ 'filename)
+ ((string= name "creation-date")
+ 'creation-date)
+ ((string= name "modification-date")
+ 'modification-date)
+ ((string= name "read-date")
+ 'read-date)
+ ((string= name "size")
+ 'size)
+ (t (cons 'disposition (car param))))
+ (cdr param)))))
+ (mime-content-disposition-parameters d))
+ ))
+ (list (cons 'encoding (mime-entity-encoding entity))
+ (cons 'major-mode
+ (save-excursion
+ (set-buffer (mime-entity-buffer entity))
+ major-mode)))
+ ))
+
+
+(defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
+
+(defun mime-raw-get-uu-filename ()
+ (save-excursion
+ (if (re-search-forward "^begin [0-9]+ " nil t)
+ (if (looking-at ".+$")
+ (buffer-substring (match-beginning 0)(match-end 0))
+ ))))
+
+(defun mime-raw-get-subject (entity)
+ (or (std11-find-field-body '("Content-Description" "Subject"))
+ (let ((ret (mime-entity-content-disposition entity)))
+ (and ret
+ (setq ret (mime-content-disposition-filename ret))
+ (std11-strip-quoted-string ret)
+ ))
+ (let ((ret (mime-entity-content-type entity)))
+ (and ret
+ (setq ret
+ (cdr
+ (let ((param (mime-content-type-parameters ret)))
+ (or (assoc "name" param)
+ (assoc "x-name" param))
+ )))
+ (std11-strip-quoted-string ret)
+ ))
+ (if (member (mime-entity-encoding entity)
+ mime-view-uuencode-encoding-name-list)
+ (mime-raw-get-uu-filename))
+ ""))
+
+
+(defsubst mime-raw-point-to-entity-node-id (point &optional message-info)
+ "Return entity-node-id from POINT in mime-raw-buffer.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' is used."
+ (mime-entity-node-id (mime-raw-find-entity-from-point point message-info)))
+
+(defsubst mime-raw-point-to-entity-number (point &optional message-info)
+ "Return entity-number from POINT in mime-raw-buffer.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' is used."
+ (mime-entity-number (mime-raw-find-entity-from-point point message-info)))
+
+(defun mime-raw-flatten-message-info (&optional message-info)
+ "Return list of entity in mime-raw-buffer.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' is used."
+ (or message-info
+ (setq message-info mime-raw-message-info))
+ (let ((dest (list message-info))
+ (rcl (mime-entity-children message-info)))
+ (while rcl
+ (setq dest (nconc dest (mime-raw-flatten-message-info (car rcl))))
+ (setq rcl (cdr rcl)))
+ dest))
+
+
+;;; @ presentation of preview
+;;;
+
+;;; @@ entity-button
+;;;
-;;; @ entity-button
+;;; @@@ predicate function
;;;
-(defvar mime-view-content-button-visible-ctype-list
- '("application/pgp"))
+(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-insert-entity-button (entity message-info subj)
+;;; @@@ entity button generator
+;;;
+
+(defun mime-view-insert-entity-button (entity subject)
"Insert entity-button of ENTITY."
(let ((entity-node-id (mime-entity-node-id entity))
(params (mime-entity-parameters entity)))
(setq access-type (cdr access-type))
(if server
(format "%s %s ([%s] %s)"
- num subj access-type (cdr server))
+ num subject access-type (cdr server))
(let ((site (cdr (assoc "site" params)))
(dir (cdr (assoc "directory" params)))
)
(format "%s %s ([%s] %s:%s)"
- num subj access-type site dir)
+ num subject access-type site dir)
)))
)
(t
(charset (cdr (assoc "charset" params)))
(encoding (mime-entity-encoding entity)))
(concat
- num " " subj
+ num " " subject
(let ((rest
(format " <%s/%s%s%s>"
media-type media-subtype
(function mime-preview-play-current-entity))
))
-(defun mime-view-entity-button-function (entity message-info subj)
- "Insert entity-button of ENTITY conditionally.
-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 (mime-root-entity-p entity)
- (and (eq media-type 'application)
- (or (eq media-subtype 'x-selection)
- (and (eq media-subtype 'octet-stream)
- (let ((mother-entity
- (mime-raw-entity-parent entity message-info)))
- (and (eq (mime-entity-media-type mother-entity)
- 'multipart)
- (eq (mime-entity-media-subtype mother-entity)
- 'encrypted)
- )))))
- (mime-view-insert-entity-button entity message-info subj)
- )))
-
-
-;;; @ entity-header
-;;;
-;;; @@ predicate function
+;;; @@ entity-header
;;;
-(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)
- )))
-
-;;; @@ entity header filter
+;;; @@@ entity header filter
;;;
(defvar mime-view-content-header-filter-alist nil)
(eword-decode-header)
)
-(defun mime-view-display-header (beg end)
- (save-restriction
- (narrow-to-region (point)(point))
- (insert-buffer-substring mime-raw-buffer beg end)
- (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)
- ))
-
-;;; @@ entity field cutter
+;;; @@@ entity field cutter
;;;
(defvar mime-view-ignored-field-list
))))
-;;; @ entity-body
+;;; @@ entity-body
;;;
-;;; @@ predicate function
+;;; @@@ predicate function
;;;
-(defvar mime-view-body-visible-condition
- '(type
- (nil)
- (text subtype
- (plain)
- (enriched)
- (rfc822-headers)
- (richtext)
- (x-latex)
- (x-pgp))
- (application subtype
- (octet-stream encoding
- (nil)
- ("7bit")
- ("8bit"))
- (pgp)
- (x-latex)
- (x-selection)
- (x-comment))
- (message subtype
- (delivery-status)))
- "Condition-tree to be able to display body of entity.")
-
-(defun mime-view-body-visible-p (entity message-info)
- "Return non-nil if body of ENTITY is visible."
- (ctree-match-calist
- mime-view-body-visible-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))))
-
-;; (defvar mime-view-visible-media-type-list
-;; '("text/plain" nil "text/richtext" "text/enriched"
-;; "text/rfc822-headers"
-;; "text/x-latex" "application/x-latex"
-;; "message/delivery-status"
-;; "application/pgp" "text/x-pgp"
-;; "application/octet-stream"
-;; "application/x-selection" "application/x-comment")
-;; "*List of media-types to be able to display in MIME-preview buffer.
-;; Each elements are string of TYPE/SUBTYPE, e.g. \"text/plain\".")
-
-;; (defun mime-view-body-visible-p (entity message-info)
-;; "Return non-nil if body of ENTITY is visible."
-;; (let ((media-type (mime-entity-media-type entity))
-;; (media-subtype (mime-entity-media-subtype entity))
-;; (ctype (mime-entity-type/subtype entity)))
-;; (and (member ctype mime-view-visible-media-type-list)
-;; (if (and (eq media-type 'application)
-;; (eq media-subtype 'octet-stream))
-;; (member (mime-entity-encoding entity) '(nil "7bit" "8bit"))
-;; t))))
-
-
-;;; @@ entity filter
+(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.")
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ (encoding . nil)
+ (body . visible)))
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ (encoding . "7bit")
+ (body . visible)))
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ (encoding . "8bit")
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . pgp)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . x-latex)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . x-selection)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . x-comment)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . delivery-status)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((body . visible)
+ (body-presentation-method . mime-preview-text/plain)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . nil)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/plain)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . text)(subtype . enriched)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/enriched)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . text)(subtype . richtext)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/richtext)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . text)(subtype . t)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/plain)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . multipart)(subtype . alternative)
+ (body . visible)
+ (body-presentation-method . mime-preview-multipart/alternative)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . partial)
+ (body-presentation-method
+ . mime-preview-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))))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . news)
+ (body-presentation-method . nil)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
+
+
+;;; @@@ entity presentation
;;;
-(defvar mime-view-content-filter-alist
- '(("text/enriched" . mime-view-filter-for-text/enriched)
- ("text/richtext" . mime-view-filter-for-text/richtext)
- (t . mime-view-filter-for-text/plain)
- )
- "Alist of media-types vs. corresponding MIME-preview filter functions.
-Each element looks like (TYPE/SUBTYPE . FUNCTION) or (t . FUNCTION).
-TYPE/SUBTYPE is a string of media-type and FUNCTION is a filter
-function. t means default media-type.")
-
-(defun mime-view-display-body (start end entity message-info subj)
- (save-restriction
- (narrow-to-region (point-max)(point-max))
- (insert-buffer-substring mime-raw-buffer start end)
- (let* ((ctype (mime-entity-type/subtype entity))
- (params (mime-entity-parameters entity))
- (encoding (mime-entity-encoding entity))
- (f (cdr (or (assoc ctype mime-view-content-filter-alist)
- (assq t mime-view-content-filter-alist)))))
- (and (functionp f)
- (funcall f ctype params encoding))
- )))
+(autoload 'mime-preview-text/plain "mime-text")
+(autoload 'mime-preview-text/enriched "mime-text")
+(autoload 'mime-preview-text/richtext "mime-text")
(defvar mime-view-announcement-for-message/partial
(if (and (>= emacs-major-version 19) window-system)
\[[ Please press `v' key in this buffer. ]]"
))
-(defun mime-view-insert-message/partial-button ()
+(defun mime-preview-message/partial-button (&optional entity situation)
(save-restriction
(goto-char (point-max))
(if (not (search-backward "\n\n" nil t))
#'mime-preview-play-current-entity)
))
+(defun mime-preview-multipart/mixed (entity situation)
+ (let ((children (mime-entity-children entity))
+ (default-situation
+ (cdr (assq 'childrens-situation situation))))
+ (while children
+ (mime-view-display-entity (car children)
+ (save-excursion
+ (set-buffer (mime-entity-buffer entity))
+ mime-raw-message-info)
+ (current-buffer)
+ default-situation)
+ (setq children (cdr children))
+ )))
-;;; @ entity separator
-;;;
-
-(defun mime-view-entity-separator-function (entity message-info)
- "Insert entity-separator of ENTITY conditionally.
-Please redefine this function if you want to change default setting."
- (or (mime-view-header-visible-p entity message-info)
- (mime-view-body-visible-p entity message-info)
- (progn
- (goto-char (point-max))
- (insert "\n")
- )))
+(defcustom mime-view-type-subtype-score-alist
+ '(((text . enriched) . 3)
+ ((text . richtext) . 2)
+ ((text . plain) . 1)
+ (t . 0))
+ "Alist MEDIA-TYPE vs corresponding score.
+MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t. t means default."
+ :group 'mime-view
+ :type '(repeat (cons (choice :tag "Media-Type"
+ (item :tag "Type/Subtype"
+ (cons symbol symbol))
+ (item :tag "Type" symbol)
+ (item :tag "Default" t))
+ integer)))
+
+(defun mime-preview-multipart/alternative (entity situation)
+ (let* ((children (mime-entity-children entity))
+ (default-situation
+ (cdr (assq 'childrens-situation situation)))
+ (i 0)
+ (p 0)
+ (max-score 0)
+ (situations
+ (mapcar (function
+ (lambda (child)
+ (let ((situation
+ (or (ctree-match-calist
+ mime-preview-condition
+ (append (mime-entity-situation child)
+ default-situation))
+ default-situation)))
+ (if (cdr (assq 'body-presentation-method situation))
+ (let ((score
+ (cdr
+ (or (assoc
+ (cons
+ (cdr (assq 'type situation))
+ (cdr (assq 'subtype situation)))
+ mime-view-type-subtype-score-alist)
+ (assq
+ (cdr (assq 'type situation))
+ mime-view-type-subtype-score-alist)
+ (assq
+ t
+ mime-view-type-subtype-score-alist)
+ ))))
+ (if (> score max-score)
+ (setq p i
+ max-score score)
+ )))
+ (setq i (1+ i))
+ situation)
+ ))
+ children)))
+ (setq i 0)
+ (while children
+ (let ((child (car children))
+ (situation (car situations)))
+ (mime-view-display-entity child
+ (save-excursion
+ (set-buffer (mime-entity-buffer child))
+ mime-raw-message-info)
+ (current-buffer)
+ default-situation
+ (if (= i p)
+ situation
+ (del-alist 'body-presentation-method
+ (copy-alist situation))))
+ )
+ (setq children (cdr children)
+ situations (cdr situations)
+ i (1+ i))
+ )))
;;; @ acting-condition
;;;
-(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")
- )
+(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-with-default
+ 'mime-acting-condition
+ (append shared (list '(mode . "play")(cons 'method (cdr view)))))
+ (if print
+ (ctree-set-calist-with-default
+ 'mime-acting-condition
+ (append shared
+ (list '(mode . "print")(cons 'method (cdr view))))
+ ))
+ )
+ (setq entries (cdr entries))
+ )))
- ((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)
+ (mode . "play")
+ (method . mime-method-to-detect)
+ ))
+
+(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 . 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 . 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)
+ ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . external-body)
+ ("access-type" . "anon-ftp")
+ (method . mime-method-to-display-message/external-ftp)
+ ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . application)(subtype . octet-stream)
+ (method . mime-method-to-save)
+ ))
;;; @ quitting method
. mime-preview-quitting-method-for-mime-show-message-mode))
"Alist of major-mode vs. quitting-method of mime-view.")
-(defvar mime-view-over-to-previous-method-alist nil)
-(defvar mime-view-over-to-next-method-alist nil)
+(defvar mime-preview-over-to-previous-method-alist nil
+ "Alist of major-mode vs. over-to-previous-method of mime-view.")
-(defvar mime-view-show-summary-method nil
- "Alist of major-mode vs. show-summary-method.")
+(defvar mime-preview-over-to-next-method-alist nil
+ "Alist of major-mode vs. over-to-next-method of mime-view.")
;;; @ following method
))))
-;;; @ miscellaneous
-;;;
-
-(defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
-
-(defvar mime-raw-buffer-coding-system-alist
- `((t . ,(mime-charset-to-coding-system default-mime-charset)))
- "Alist of major-mode vs. corresponding coding-system of `mime-raw-buffer'.")
-
-
;;; @ buffer setup
;;;
-(defvar mime-view-redisplay nil)
-
-(defun mime-view-setup-buffers (&optional ctl encoding ibuf obuf)
- (if ibuf
- (progn
- (get-buffer ibuf)
- (set-buffer ibuf)
- ))
- (or mime-view-redisplay
- (setq mime-raw-message-info (mime-parse-message ctl encoding))
- )
- (let* ((message-info mime-raw-message-info)
- (pcl (mime-raw-flatten-message-info message-info))
- (the-buf (current-buffer))
- (mode major-mode)
- )
- (or obuf
- (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
- (set-buffer (get-buffer-create obuf))
- (let ((inhibit-read-only t))
- ;;(setq buffer-read-only nil)
- (widen)
- (erase-buffer)
- (setq mime-raw-buffer the-buf)
- (setq mime-preview-original-major-mode mode)
- (setq major-mode 'mime-view-mode)
- (setq mode-name "MIME-View")
- (while pcl
- (mime-view-display-entity (car pcl) message-info the-buf obuf)
- (setq pcl (cdr pcl))
- )
- (set-buffer-modified-p nil)
- )
- (setq buffer-read-only t)
- (set-buffer the-buf)
- )
- (setq mime-preview-buffer obuf)
- )
-
-(defun mime-view-display-entity (entity message-info ibuf obuf)
- "Display ENTITY."
- (let* ((beg (mime-entity-point-min entity))
+(defun mime-view-display-entity (entity message-info obuf
+ default-situation
+ &optional situation)
+ (let* ((raw-buffer (mime-entity-buffer entity))
+ (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))
- he e nb ne subj)
- (set-buffer ibuf)
- (goto-char beg)
- (setq he (if (re-search-forward "^$" nil t)
- (1+ (match-end 0))
- end))
- (if (> he end)
- (setq he end)
+ original-major-mode end-of-header e nb ne subj)
+ (set-buffer raw-buffer)
+ (setq original-major-mode major-mode)
+ (goto-char start)
+ (setq end-of-header (if (re-search-forward "^$" nil t)
+ (1+ (match-end 0))
+ end))
+ (if (> end-of-header end)
+ (setq end-of-header end)
)
(save-restriction
- (narrow-to-region beg end)
- (setq subj
- (eword-decode-string
- (mime-raw-get-subject params encoding)))
+ (narrow-to-region start end)
+ (setq subj (eword-decode-string (mime-raw-get-subject entity)))
)
- (set-buffer obuf)
- (setq nb (point))
- (narrow-to-region nb nb)
- (mime-view-entity-button-function entity message-info subj)
- (if (mime-view-header-visible-p entity message-info)
- (mime-view-display-header beg he)
- )
- (if (and (null entity-node-id)
- (member
- ctype mime-view-content-button-visible-ctype-list))
- (save-excursion
- (goto-char (point-max))
- (mime-view-insert-entity-button entity message-info subj)
- ))
- (cond ((mime-view-body-visible-p entity message-info)
- (mime-view-display-body he end entity message-info subj)
- )
- ((and (eq media-type 'message)(eq media-subtype 'partial))
- (mime-view-insert-message/partial-button)
- )
- ((and (null entity-node-id)
- (null (mime-entity-children message-info))
- )
- (goto-char (point-max))
- (mime-view-insert-entity-button entity message-info subj)
- ))
- (mime-view-entity-separator-function entity message-info)
- (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)
- ))
-
-(defun mime-raw-get-uu-filename (param &optional encoding)
- (if (member (or encoding
- (cdr (assq 'encoding param))
- )
- mime-view-uuencode-encoding-name-list)
- (save-excursion
- (or (if (re-search-forward "^begin [0-9]+ " nil t)
- (if (looking-at ".+$")
- (buffer-substring (match-beginning 0)(match-end 0))
- ))
- ""))
- ))
-
-(defun mime-raw-get-subject (param &optional encoding)
- (or (std11-find-field-body '("Content-Description" "Subject"))
- (let (ret)
- (if (or (and (setq ret (mime/Content-Disposition))
- (setq ret (assoc "filename" (cdr ret)))
- )
- (setq ret (assoc "name" param))
- (setq ret (assoc "x-name" param))
- )
- (std11-strip-quoted-string (cdr ret))
- ))
- (mime-raw-get-uu-filename param encoding)
- ""))
-
-
-;;; @ entity information
-;;;
-
-(defsubst mime-raw-find-entity-from-node-id (entity-node-id
- &optional message-info)
- "Return entity from ENTITY-NODE-ID in mime-raw-buffer.
-If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
- (mime-raw-find-entity-from-number (reverse entity-node-id) message-info))
-
-(defun mime-raw-find-entity-from-number (entity-number &optional message-info)
- "Return entity from ENTITY-NUMBER in mime-raw-buffer.
-If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
- (or message-info
- (setq message-info mime-raw-message-info))
- (if (eq entity-number t)
- message-info
- (let ((sn (car entity-number)))
- (if (null sn)
- message-info
- (let ((rc (nth sn (mime-entity-children message-info))))
- (if rc
- (mime-raw-find-entity-from-number (cdr entity-number) rc)
+ (or situation
+ (setq situation
+ (or (ctree-match-calist mime-preview-condition
+ (append (mime-entity-situation entity)
+ default-situation))
+ default-situation)))
+ (let ((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)))
+ (children (mime-entity-children entity)))
+ (set-buffer obuf)
+ (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 subj)
))
- ))))
-
-(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-raw-message-info' is used."
- (or message-info
- (setq message-info mime-raw-message-info))
- (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)
+ (if header-is-visible
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert-buffer-substring raw-buffer start end-of-header)
+ (let ((f (cdr (assq original-major-mode
+ mime-view-content-header-filter-alist))))
+ (if (functionp f)
+ (funcall f)
+ (mime-view-default-content-header-filter)
))
- (setq children (cdr children)))
- message-info))))
-
-(defsubst mime-raw-point-to-entity-node-id (point &optional message-info)
- "Return entity-node-id from POINT in mime-raw-buffer.
-If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
- (mime-entity-node-id (mime-raw-find-entity-from-point point message-info)))
-
-(defsubst mime-raw-point-to-entity-number (point &optional message-info)
- "Return entity-number from POINT in mime-raw-buffer.
-If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
- (reverse (mime-raw-point-to-entity-node-id point message-id)))
-
-(defsubst mime-raw-entity-parent (entity &optional message-info)
- "Return mother entity of ENTITY.
-If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
- (mime-raw-find-entity-from-node-id
- (cdr (mime-entity-node-id entity) message-info)))
-
-(defun mime-raw-flatten-message-info (&optional message-info)
- "Return list of entity in mime-raw-buffer.
-If optional argument MESSAGE-INFO is not specified,
-`mime-raw-message-info' is used."
- (or message-info
- (setq message-info mime-raw-message-info))
- (let ((dest (list message-info))
- (rcl (mime-entity-children message-info)))
- (while rcl
- (setq dest (nconc dest (mime-raw-flatten-message-info (car rcl))))
- (setq rcl (cdr rcl)))
- dest))
+ (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 raw-buffer end-of-header end)
+ (funcall body-filter situation)
+ )))
+ (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 subj)
+ )
+ (or header-is-visible
+ (progn
+ (goto-char (point-max))
+ (insert "\n")
+ ))
+ ))
+ (setq ne (point-max))
+ (widen)
+ (put-text-property nb ne 'mime-view-entity entity)
+ (goto-char ne)
+ (if children
+ (if (functionp body-presentation-method)
+ (funcall body-presentation-method entity situation)
+ (mime-preview-multipart/mixed entity situation)
+ ))
+ )))
;;; @ MIME viewer mode
(define-key mime-view-mode-map
"q" (function mime-preview-quit))
(define-key mime-view-mode-map
- "h" (function mime-preview-show-summary))
- (define-key mime-view-mode-map
"\C-c\C-x" (function mime-preview-kill-buffer))
;; (define-key mime-view-mode-map
;; "<" (function beginning-of-buffer))
(bury-buffer buf)
))))
-(defun mime-view-mode (&optional mother ctl encoding ibuf obuf
+(defvar mime-view-redisplay nil)
+
+(defun mime-view-display-message (message &optional preview-buffer
+ mother default-keymap-or-function)
+ (mime-maybe-hide-echo-buffer)
+ (let ((win-conf (current-window-configuration))
+ (raw-buffer (mime-entity-buffer message)))
+ (or preview-buffer
+ (setq preview-buffer
+ (concat "*Preview-" (buffer-name raw-buffer) "*")))
+ (set-buffer raw-buffer)
+ (setq mime-raw-message-info (mime-parse-message))
+ (setq mime-preview-buffer preview-buffer)
+ (let ((inhibit-read-only t))
+ (switch-to-buffer preview-buffer)
+ (widen)
+ (erase-buffer)
+ (setq mime-raw-buffer raw-buffer)
+ (if mother
+ (setq mime-mother-buffer mother)
+ )
+ (setq mime-preview-original-window-configuration win-conf)
+ (setq major-mode 'mime-view-mode)
+ (setq mode-name "MIME-View")
+ (mime-view-display-entity message message
+ preview-buffer
+ '((entity-button . invisible)
+ (header . visible)
+ ))
+ (mime-view-define-keymap default-keymap-or-function)
+ (let ((point
+ (next-single-property-change (point-min) 'mime-view-entity)))
+ (if point
+ (goto-char point)
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ ))
+ (run-hooks 'mime-view-mode-hook)
+ ))
+ (set-buffer-modified-p nil)
+ (setq buffer-read-only t)
+ )
+
+(defun mime-view-buffer (&optional raw-buffer preview-buffer mother
+ default-keymap-or-function)
+ (interactive)
+ (mime-view-display-message
+ (save-excursion
+ (if raw-buffer (set-buffer raw-buffer))
+ (mime-parse-message)
+ )
+ preview-buffer mother default-keymap-or-function))
+
+(defun mime-view-mode (&optional mother ctl encoding
+ raw-buffer preview-buffer
default-keymap-or-function)
"Major mode for viewing MIME message.
e Decode current content as `extract mode'
C-c C-p Decode current content as `print mode'
a Followup to current content.
-x Display X-Face
q Quit
button-2 Move to point under the mouse cursor
and decode current content as `play mode'
"
(interactive)
- (mime-maybe-hide-echo-buffer)
- (let ((ret (mime-view-setup-buffers ctl encoding ibuf obuf))
- (win-conf (current-window-configuration))
- )
- (prog1
- (switch-to-buffer ret)
- (setq mime-preview-original-window-configuration win-conf)
- (if mother
- (progn
- (setq mime-mother-buffer mother)
- ))
- (mime-view-define-keymap default-keymap-or-function)
- (let ((point
- (next-single-property-change (point-min) 'mime-view-entity)))
- (if point
- (goto-char point)
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- ))
- (run-hooks 'mime-view-mode-hook)
- )))
+ (mime-view-display-message
+ (save-excursion
+ (if raw-buffer (set-buffer raw-buffer))
+ (or mime-view-redisplay
+ (mime-parse-message ctl encoding))
+ )
+ preview-buffer mother default-keymap-or-function))
;;; @@ playing
;;; @@ following
;;;
-(defun mime-preview-original-major-mode ()
- "Return major-mode of original buffer.
-If a current buffer has mime-mother-buffer, return original major-mode
-of the mother-buffer."
- (if mime-mother-buffer
- (save-excursion
- (set-buffer mime-mother-buffer)
- (mime-preview-original-major-mode)
- )
- mime-preview-original-major-mode))
-
(defun mime-preview-follow-current-entity ()
"Write follow message to current entity.
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)
(setq p-end (point-max))
))
))
- (let* ((mode (mime-preview-original-major-mode))
+ (let* ((mode (mime-preview-original-major-mode 'recursive))
(new-name
(format "%s-%s" (buffer-name) (reverse entity-node-id)))
new-buf
(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
(defun mime-preview-move-to-previous ()
"Move to previous entity.
If there is no previous entity, it calls function registered in
-variable `mime-view-over-to-previous-method-alist'."
+variable `mime-preview-over-to-previous-method-alist'."
(interactive)
(while (null (get-text-property (point) 'mime-view-entity))
(backward-char)
)
- (let ((point
- (previous-single-property-change (point) 'mime-view-entity)))
+ (let ((point (previous-single-property-change (point) 'mime-view-entity)))
(if point
- (goto-char point)
- (let ((f (assq mime-preview-original-major-mode
- mime-view-over-to-previous-method-alist)))
+ (if (get-text-property (1- point) 'mime-view-entity)
+ (goto-char point)
+ (goto-char (1- point))
+ (mime-preview-move-to-previous)
+ )
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-previous-method-alist)))
(if f
(funcall (cdr f))
))
(defun mime-preview-move-to-next ()
"Move to next entity.
If there is no previous entity, it calls function registered in
-variable `mime-view-over-to-next-method-alist'."
+variable `mime-preview-over-to-next-method-alist'."
(interactive)
+ (while (null (get-text-property (point) 'mime-view-entity))
+ (forward-char)
+ )
(let ((point (next-single-property-change (point) 'mime-view-entity)))
(if point
- (goto-char point)
- (let ((f (assq mime-preview-original-major-mode
- mime-view-over-to-next-method-alist)))
+ (progn
+ (goto-char point)
+ (if (null (get-text-property point 'mime-view-entity))
+ (mime-preview-move-to-next)
+ ))
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-next-method-alist)))
(if f
(funcall (cdr f))
))
(defun mime-preview-scroll-up-entity (&optional h)
"Scroll up current entity.
If reached to (point-max), it calls function registered in variable
-`mime-view-over-to-next-method-alist'."
+`mime-preview-over-to-next-method-alist'."
(interactive)
(or h
(setq h (1- (window-height)))
)
(if (= (point) (point-max))
- (let ((f (assq mime-preview-original-major-mode
- mime-view-over-to-next-method-alist)))
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-next-method-alist)))
(if f
(funcall (cdr f))
))
(defun mime-preview-scroll-down-entity (&optional h)
"Scroll down current entity.
If reached to (point-min), it calls function registered in variable
-`mime-view-over-to-previous-method-alist'."
+`mime-preview-over-to-previous-method-alist'."
(interactive)
(or h
(setq h (1- (window-height)))
)
(if (= (point) (point-min))
- (let ((f (assq mime-preview-original-major-mode
- mime-view-over-to-previous-method-alist)))
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-previous-method-alist)))
(if f
(funcall (cdr f))
))
- (let (point)
- (save-excursion
- (catch 'tag
- (while (> (point) 1)
- (if (setq point
- (previous-single-property-change (point)
- 'mime-view-entity))
- (throw 'tag t)
- )
- (backward-char)
- )
- (setq point (point-min))
- ))
+ (let ((point
+ (or (previous-single-property-change (point) 'mime-view-entity)
+ (point-min))))
(forward-line (- h))
(if (< (point) point)
(goto-char point)
It calls function registered in variable
`mime-preview-quitting-method-alist'."
(interactive)
- (let ((r (assq mime-preview-original-major-mode
+ (let ((r (assq (mime-preview-original-major-mode)
mime-preview-quitting-method-alist)))
(if r
(funcall (cdr r))
)))
-(defun mime-preview-show-summary ()
- "Show summary.
-It calls function registered in variable
-`mime-view-show-summary-method'."
- (interactive)
- (let ((r (assq mime-preview-original-major-mode
- mime-view-show-summary-method)))
- (if r
- (funcall (cdr r))
- )))
-
(defun mime-preview-kill-buffer ()
(interactive)
(kill-buffer (current-buffer))
projects / elisp / semi.git / blobdiff