;;; mime-view.el --- interactive MIME viewer for GNU Emacs
-;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; 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
-;; This file is part of SEMI (Sophisticated Emacs MIME Interfaces).
+;; This file is part of SEMI (Sample of Elastic 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
;;; Code:
-(require 'std11)
-(require 'mel)
-(require 'eword-decode)
-(require 'mime-parse)
+(require 'emu)
+(require 'mime)
(require 'semi-def)
(require 'calist)
+(require 'alist)
+(require 'mailcap)
;;; @ version
;;;
-(defconst mime-view-version-string
- `,(concat (car mime-module-version) " MIME-View "
- (mapconcat #'number-to-string (cddr mime-module-version) ".")
- " (" (cadr mime-module-version) ")"))
+(defconst mime-view-version
+ (concat (mime-product-name mime-user-interface-product) " MIME-View "
+ (mapconcat #'number-to-string
+ (mime-product-version mime-user-interface-product) ".")
+ " (" (mime-product-code-name mime-user-interface-product) ")"))
;;; @ variables
"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)
+(defvar mime-view-find-every-situations t
+ "*Find every available situations if non-nil.")
-(defcustom mime-acting-situation-examples-file "~/.mime-example"
- "*File name of example about acting-situation demonstrated by user."
+(defcustom mime-situation-examples-file "~/.mime-example"
+ "*File name of situation-examples demonstrated by user."
:group 'mime-view
:type 'file)
+(defcustom mime-preview-move-scroll nil
+ "*Decides whether to scroll when moving to next entity.
+When t, scroll the buffer. Non-nil but not t means scroll when
+the next entity is within next-screen-context-lines from top or
+buttom. Nil means don't scroll at all."
+ :group 'mime-view
+ :type '(choice (const :tag "Off" nil)
+ (const :tag "On" t)
+ (sexp :tag "Situation" 1)))
-;;; @ buffer local variables
-;;;
-;;; @@ in raw-buffer
+;;; @ in raw-buffer (representation space)
;;;
-(defvar mime-raw-message-info
- "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)
-
-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-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'.")
+
+
+;;; @ in preview-buffer (presentation space)
;;;
(defvar mime-mother-buffer nil
message/partial, it is called `mother-buffer'.")
(make-variable-buffer-local 'mime-mother-buffer)
-(defvar mime-raw-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-raw-buffer nil
+;; "Raw buffer corresponding with the (MIME-preview) buffer.")
+;; (make-variable-buffer-local 'mime-raw-buffer)
(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 point)
+ "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)
+ )
+ (cdr (assq 'major-mode
+ (get-text-property (or point
+ (if (> (point) (buffer-size))
+ (max (1- (point-max)) (point-min))
+ (point)))
+ 'mime-view-situation)))))
+
;;; @ 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)
+(defun mime-entity-situation (entity &optional situation)
+ "Return situation of ENTITY."
+ (let (rest param name)
+ ;; Content-Type
+ (unless (assq 'type situation)
+ (setq rest (or (mime-entity-content-type entity)
+ (make-mime-content-type 'text 'plain))
+ situation (cons (car rest) situation)
+ rest (cdr rest))
+ )
+ (unless (assq 'subtype situation)
+ (or rest
+ (setq rest (or (cdr (mime-entity-content-type entity))
+ '((subtype . plain)))))
+ (setq situation (cons (car rest) situation)
+ rest (cdr rest))
+ )
+ (while rest
+ (setq param (car rest))
+ (or (assoc (car param) situation)
+ (setq situation (cons param situation)))
+ (setq rest (cdr rest)))
+
+ ;; Content-Disposition
+ (setq rest nil)
+ (unless (assq 'disposition-type situation)
+ (setq rest (mime-entity-content-disposition entity))
+ (if rest
+ (setq situation (cons (cons 'disposition-type
+ (mime-content-disposition-type rest))
+ situation)
+ rest (mime-content-disposition-parameters rest))
+ ))
+ (while rest
+ (setq param (car rest)
+ name (car param))
+ (if (cond ((string= name "filename")
+ (if (assq 'filename situation)
+ nil
+ (setq name 'filename)))
+ ((string= name "creation-date")
+ (if (assq 'creation-date situation)
+ nil
+ (setq name 'creation-date)))
+ ((string= name "modification-date")
+ (if (assq 'modification-date situation)
+ nil
+ (setq name 'modification-date)))
+ ((string= name "read-date")
+ (if (assq 'read-date situation)
+ nil
+ (setq name 'read-date)))
+ ((string= name "size")
+ (if (assq 'size situation)
+ nil
+ (setq name 'size)))
+ (t (setq name (cons 'disposition name))
+ (if (assoc name situation)
+ nil
+ name)))
+ (setq situation
+ (cons (cons name (cdr param))
+ situation)))
+ (setq rest (cdr rest)))
+
+ ;; Content-Transfer-Encoding
+ (or (assq 'encoding situation)
+ (setq situation
+ (cons (cons 'encoding (or (mime-entity-encoding entity)
+ "7bit"))
+ situation)))
+
+ situation))
+
+(defsubst mime-delq-null-situation (situations field
+ &optional ignored-value)
+ (let (dest)
+ (while situations
+ (let* ((situation (car situations))
+ (cell (assq field situation)))
+ (if cell
+ (or (eq (cdr cell) ignored-value)
+ (setq dest (cons situation dest))
+ )))
+ (setq situations (cdr situations)))
+ dest))
+
+(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-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))))
-
-(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-info)))
-
-(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))
+(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)
+ (let (ret)
+ (in-calist-package 'mime-view)
+ (setq ret
+ (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)
+ (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)
+
+(defun mime-save-situation-examples ()
+ (if (or mime-preview-situation-example-list
+ mime-acting-situation-example-list)
+ (let* ((file mime-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")
+ (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")
+ (save-buffer))
+ (kill-buffer 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
;;; @@@ predicate function
;;;
-(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."
- (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)))
- )
- )))))
+;; (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 message-info subj)
+(defun mime-view-insert-entity-button (entity)
"Insert entity-button of ENTITY."
(let ((entity-node-id (mime-entity-node-id entity))
- (params (mime-entity-parameters entity)))
+ (params (mime-entity-parameters entity))
+ (subject (mime-view-entity-title entity)))
(mime-insert-button
(let ((access-type (assoc "access-type" params))
(num (or (cdr (assoc "x-part-number" params))
(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)))
+ (url (cdr (assoc "url" params)))
)
- (format "%s %s ([%s] %s:%s)"
- num subj access-type site dir)
+ (if url
+ (format "%s %s ([%s] %s)"
+ num subject access-type url)
+ (format "%s %s ([%s] %s:%s)"
+ 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
;;; @@ entity-header
;;;
-;;; @@@ 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)))
-;; (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
-;;;
-
-(defvar mime-view-content-header-filter-alist nil)
-
-(defun mime-view-default-content-header-filter ()
- (mime-view-cut-header)
- (eword-decode-header)
- )
-
-;;; @@@ entity field cutter
-;;;
+(defvar mime-header-presentation-method-alist nil
+ "Alist of major mode vs. corresponding header-presentation-method functions.
+Each element looks like (SYMBOL . FUNCTION).
+SYMBOL must be major mode in raw-buffer or t. t means default.
+Interface of FUNCTION must be (ENTITY SITUATION).")
(defvar mime-view-ignored-field-list
- '(".*Received" ".*Path" ".*Id" "References"
- "Replied" "Errors-To"
- "Lines" "Sender" ".*Host" "Xref"
- "Content-Type" "Precedence"
- "Status" "X-VM-.*")
+ '(".*Received:" ".*Path:" ".*Id:" "^References:"
+ "^Replied:" "^Errors-To:"
+ "^Lines:" "^Sender:" ".*Host:" "^Xref:"
+ "^Content-Type:" "^Precedence:"
+ "^Status:" "^X-VM-.*:")
"All fields that match this list will be hidden in MIME preview buffer.
Each elements are regexp of field-name.")
-(defvar mime-view-ignored-field-regexp
- (concat "^"
- (apply (function regexp-or) mime-view-ignored-field-list)
- ":"))
-
-(defvar mime-view-visible-field-list '("Dnas.*" "Message-Id")
+(defvar mime-view-visible-field-list '("^Dnas.*:" "^Message-Id:")
"All fields that match this list will be displayed in MIME preview buffer.
Each elements are regexp of field-name.")
-(defun mime-view-cut-header ()
- (goto-char (point-min))
- (while (re-search-forward mime-view-ignored-field-regexp nil t)
- (let* ((beg (match-beginning 0))
- (end (match-end 0))
- (name (buffer-substring beg end))
- )
- (catch 'visible
- (let ((rest mime-view-visible-field-list))
- (while rest
- (if (string-match (car rest) name)
- (throw 'visible nil)
- )
- (setq rest (cdr rest))))
- (delete-region beg
- (save-excursion
- (if (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
- (match-beginning 0)
- (point-max))))
- ))))
-
;;; @@ entity-body
;;;
;;; @@@ predicate function
;;;
+(in-calist-package 'mime-view)
+
(defun mime-calist::field-match-method-as-default-rule (calist
field-type field-value)
(let ((s-field (assq field-type calist)))
(body . visible)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((body . visible)
- (body-presentation-method . with-filter)
- (body-filter . mime-preview-filter-for-text/plain)))
+ 'mime-preview-condition
+ '((body . visible)
+ (body-presentation-method . mime-display-text/plain)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . nil)
- (body . visible)
- (body-presentation-method . with-filter)
- (body-filter . mime-preview-filter-for-text/plain)))
+ 'mime-preview-condition
+ '((type . nil)
+ (body . visible)
+ (body-presentation-method . mime-display-text/plain)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . text)(subtype . enriched)
- (body . visible)
- (body-presentation-method . with-filter)
- (body-filter
- . mime-preview-filter-for-text/enriched)))
+ 'mime-preview-condition
+ '((type . text)(subtype . enriched)
+ (body . visible)
+ (body-presentation-method . mime-display-text/enriched)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . text)(subtype . richtext)
- (body . visible)
- (body-presentation-method . with-filter)
- (body-filter
- . mime-preview-filter-for-text/richtext)))
+ 'mime-preview-condition
+ '((type . text)(subtype . richtext)
+ (body . visible)
+ (body-presentation-method . mime-display-text/richtext)))
+
+(autoload 'mime-display-application/x-postpet "postpet")
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . text)(subtype . t)
- (body . visible)
- (body-presentation-method . with-filter)
- (body-filter . mime-preview-filter-for-text/plain)))
+ 'mime-preview-condition
+ '((type . application)(subtype . x-postpet)
+ (body . visible)
+ (body-presentation-method . mime-display-application/x-postpet)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . message)(subtype . partial)
- (body-presentation-method
- . mime-view-insert-message/partial-button)))
+ 'mime-preview-condition
+ '((type . text)(subtype . t)
+ (body . visible)
+ (body-presentation-method . mime-display-text/plain)))
(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 . multipart)(subtype . alternative)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/alternative)))
(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 . 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)))
-;;; @@@ entity filter
-;;;
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . message)(subtype . rfc822)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
-(autoload 'mime-preview-filter-for-text/plain "mime-text")
-(autoload 'mime-preview-filter-for-text/enriched "mime-text")
-(autoload 'mime-preview-filter-for-text/richtext "mime-text")
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . message)(subtype . news)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
-(defvar mime-text-decoder-alist
- '((mime-show-message-mode . mime-text-decode-buffer)
- (mime-temp-message-mode . mime-text-decode-buffer)
- (t . mime-text-decode-buffer-maybe)
- )
- "Alist of major-mode vs. mime-text-decoder.
-Each element looks like (SYMBOL . FUNCTION). SYMBOL is major-mode or
-t. t means default.
-Specification of FUNCTION is described in DOC-string of variable
-`mime-text-decoder'.
+;;; @@@ entity presentation
+;;;
+
+(defun mime-display-text/plain (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-insert-text-content entity)
+ (run-hooks 'mime-text-decode-hook)
+ (goto-char (point-max))
+ (if (not (eq (char-after (1- (point))) ?\n))
+ (insert "\n")
+ )
+ (mime-add-url-buttons)
+ (run-hooks 'mime-display-text/plain-hook)
+ ))
+
+(defun mime-display-text/richtext (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-insert-text-content entity)
+ (run-hooks 'mime-text-decode-hook)
+ (let ((beg (point-min)))
+ (remove-text-properties beg (point-max) '(face nil))
+ (richtext-decode beg (point-max))
+ )))
-This value is overridden by buffer local variable `mime-text-decoder'
-if it is not nil.")
+(defun mime-display-text/enriched (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-insert-text-content entity)
+ (run-hooks 'mime-text-decode-hook)
+ (let ((beg (point-min)))
+ (remove-text-properties beg (point-max) '(face nil))
+ (enriched-decode beg (point-max))
+ )))
(defvar mime-view-announcement-for-message/partial
\[[ Please press `v' key in this buffer. ]]"
))
-(defun mime-view-insert-message/partial-button (&optional situation)
+(defun mime-display-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-display-multipart/mixed (entity situation)
+ (let ((children (mime-entity-children entity))
+ (original-major-mode-cell (assq 'major-mode situation))
+ (default-situation
+ (cdr (assq 'childrens-situation situation))))
+ (if original-major-mode-cell
+ (setq default-situation
+ (cons original-major-mode-cell default-situation)))
+ (while children
+ (mime-display-entity (car children) nil default-situation)
+ (setq children (cdr children))
+ )))
+
+(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"
+ (cons :tag "Type/Subtype"
+ (symbol :tag "Primary-type")
+ (symbol :tag "Subtype"))
+ (symbol :tag "Type")
+ (const :tag "Default" t))
+ integer)))
+
+(defun mime-display-multipart/alternative (entity situation)
+ (let* ((children (mime-entity-children entity))
+ (original-major-mode-cell (assq 'major-mode situation))
+ (default-situation
+ (cdr (assq 'childrens-situation situation)))
+ (i 0)
+ (p 0)
+ (max-score 0)
+ situations)
+ (if original-major-mode-cell
+ (setq default-situation
+ (cons original-major-mode-cell default-situation)))
+ (setq situations
+ (mapcar (function
+ (lambda (child)
+ (let ((situation
+ (mime-find-entity-preview-situation
+ child 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-display-entity child (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 nil
"Condition-tree about how to process entity.")
-(ctree-set-calist-strictly
- 'mime-acting-condition
- '((type . t)(subtype . t)(mode . "play")
- (method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
- ))
-(ctree-set-calist-strictly
- 'mime-acting-condition
- '((type . t)(subtype . t)(mode . "extract")
- (method . mime-method-to-save)))
+(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))
+ )))
(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)
+ '((type . application)(subtype . octet-stream)
+ (mode . "play")
+ (method . mime-detect-content)
))
-(ctree-set-calist-strictly
+(ctree-set-calist-with-default
'mime-acting-condition
- '((type . audio)(subtype . basic)(mode . "play")
- (method "tm-au" nil 'file "" 'encoding 'mode 'name)
- ))
+ '((mode . "extract")
+ (method . mime-save-content)))
(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)
+ '((type . text)(subtype . x-rot13-47)(mode . "play")
+ (method . mime-view-caesar)
))
-
(ctree-set-calist-strictly
'mime-acting-condition
- '((type . video)(subtype . mpeg)(mode . "play")
- (method "tm-mpeg" nil 'file "" 'encoding 'mode 'name)
+ '((type . text)(subtype . x-rot13-47-48)(mode . "play")
+ (method . mime-view-caesar)
))
(ctree-set-calist-strictly
'mime-acting-condition
- '((type . application)(subtype . postscript)(mode . "play")
- (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
+ '((type . message)(subtype . rfc822)(mode . "play")
+ (method . mime-view-message/rfc822)
))
(ctree-set-calist-strictly
'mime-acting-condition
- '((type . application)(subtype . postscript)(mode . "print")
- (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
+ '((type . message)(subtype . partial)(mode . "play")
+ (method . mime-store-message/partial-piece)
))
(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)
+ '((type . message)(subtype . external-body)
+ ("access-type" . "anon-ftp")
+ (method . mime-view-message/external-anon-ftp)
))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . message)(subtype . external-body)
- ("access-type" . "anon-ftp")
- (method . mime-method-to-display-message/external-ftp)
+ ("access-type" . "url")
+ (method . mime-view-message/external-url)
))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . application)(subtype . octet-stream)
- (method . mime-method-to-save)
+ (method . mime-save-content)
))
. 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
;;;
-(defvar mime-view-following-method-alist nil
+(defvar mime-preview-following-method-alist nil
"Alist of major-mode vs. following-method of mime-view.")
(defvar mime-view-following-required-fields-list
'("From"))
-;;; @ X-Face
-;;;
-
-;; hack from Gnus 5.0.4.
-
-(defvar mime-view-x-face-to-pbm-command
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
-
-(defvar mime-view-x-face-command
- (concat mime-view-x-face-to-pbm-command
- " | xv -quit -")
- "String to be executed to display an X-Face field.
-The command will be executed in a sub-shell asynchronously.
-The compressed face will be piped to this command.")
-
-(defun mime-view-x-face-function ()
- "Function to display X-Face field. You can redefine to customize."
- ;; 1995/10/12 (c.f. tm-eng:130)
- ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
- (save-restriction
- (narrow-to-region (point-min) (re-search-forward "^$" nil t))
- ;; end
- (goto-char (point-min))
- (if (re-search-forward "^X-Face:[ \t]*" nil t)
- (let ((beg (match-end 0))
- (end (std11-field-end))
- )
- (call-process-region beg end "sh" nil 0 nil
- "-c" mime-view-x-face-command)
- ))))
-
-
-;;; @ miscellaneous
-;;;
-
-(defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
-
-(defvar mime-raw-buffer-coding-system-alist
- `((t . ,(mime-charset-to-coding-system default-mime-charset)))
- "Alist of major-mode vs. corresponding coding-system of `mime-raw-buffer'.")
-
-
;;; @ buffer setup
;;;
-(defvar mime-view-redisplay nil)
-
-(defun mime-view-setup-buffers (&optional ctl encoding ibuf obuf)
- (if ibuf
- (progn
- (get-buffer ibuf)
- (set-buffer ibuf)
- ))
- (or mime-view-redisplay
- (setq mime-raw-message-info (mime-parse-message ctl encoding))
- )
- (let ((message-info mime-raw-message-info)
- (the-buf (current-buffer))
- (mode major-mode))
- (or obuf
- (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
- (set-buffer (get-buffer-create obuf))
- (let ((inhibit-read-only t))
- ;;(setq buffer-read-only nil)
- (widen)
- (erase-buffer)
- (setq mime-raw-buffer the-buf)
- (setq mime-preview-original-major-mode mode)
- (setq major-mode 'mime-view-mode)
- (setq mode-name "MIME-View")
- (mime-view-display-message message-info the-buf obuf)
- (set-buffer-modified-p nil)
- )
- (setq buffer-read-only t)
- (set-buffer the-buf)
- )
- (setq mime-preview-buffer obuf)
- )
-
-(defun mime-view-display-message (message-info ibuf obuf)
- (let* ((start (mime-entity-point-min message-info))
- (end (mime-entity-point-max message-info))
- (media-type (mime-entity-media-type message-info))
- (media-subtype (mime-entity-media-subtype message-info))
- (params (mime-entity-parameters message-info))
- (encoding (mime-entity-encoding message-info))
- end-of-header e nb ne subj)
- (set-buffer ibuf)
- (goto-char start)
- (setq end-of-header (if (re-search-forward "^$" nil t)
- (1+ (match-end 0))
- end))
- (if (> end-of-header end)
- (setq end-of-header end)
- )
- (save-restriction
- (narrow-to-region start end)
- (setq subj
- (eword-decode-string
- (mime-raw-get-subject params encoding)))
- )
- (set-buffer obuf)
- (setq nb (point))
- (narrow-to-region nb nb)
- ;; 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 'subtype media-subtype)
- (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
- (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)
- )
- ((null (mime-entity-children message-info))
- (goto-char (point-max))
- (mime-view-insert-entity-button message-info message-info subj)
- ))
- (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)
- )
- (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)
+(defun mime-display-entity (entity &optional situation
+ default-situation preview-buffer)
+ (or preview-buffer
+ (setq preview-buffer (current-buffer)))
+ (let* (e nb ne nhb nbb)
+ (in-calist-package 'mime-view)
+ (or situation
+ (setq situation
+ (mime-find-entity-preview-situation entity default-situation)))
+ (let ((button-is-invisible
+ (eq (cdr (or (assq '*entity-button situation)
+ (assq 'entity-button situation)))
+ 'invisible))
+ (header-is-visible
+ (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 message-info)
- (mime-view-insert-entity-button entity message-info subj)
- ))
+ ;; (if (mime-view-entity-button-visible-p entity)
+ (mime-view-insert-entity-button entity)
+ ;; )
+ )
(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
+ (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")
- ))
+ (insert "\n")))
+ (setq nbb (point))
+ (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-raw-buffer ibuf)
(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)
- (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
- (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)
- ""))
+ (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))))
+ )))
;;; @ MIME viewer mode
(play "Play current entity" mime-preview-play-current-entity)
(extract "Extract current entity" mime-preview-extract-current-entity)
(print "Print current entity" mime-preview-print-current-entity)
- (x-face "Show X Face" mime-preview-display-x-face)
)
"Menu for MIME Viewer")
-(cond (running-xemacs
+(cond ((featurep 'xemacs)
(defvar mime-view-xemacs-popup-menu
(cons mime-view-menu-title
(mapcar (function
(defvar mouse-button-2 'button2)
)
(t
+ (defvar mime-view-popup-menu
+ (let ((menu (make-sparse-keymap mime-view-menu-title)))
+ (nconc menu
+ (mapcar (function
+ (lambda (item)
+ (list (intern (nth 1 item)) 'menu-item
+ (nth 1 item)(nth 2 item))
+ ))
+ mime-view-menu-list))))
+ (defun mime-view-popup-menu (event)
+ "Popup the menu in the MIME Viewer buffer"
+ (interactive "@e")
+ (let ((menu mime-view-popup-menu) events func)
+ (setq events (x-popup-menu t menu))
+ (and events
+ (setq func (lookup-key menu (apply #'vector events)))
+ (commandp func)
+ (funcall func))))
(defvar mouse-button-2 [mouse-2])
))
(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))
(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))
(define-key mime-view-mode-map
[backspace] (function mime-preview-scroll-down-entity))
(if (functionp default)
- (cond (running-xemacs
+ (cond ((featurep 'xemacs)
(set-keymap-default-binding mime-view-mode-map default)
)
(t
(define-key mime-view-mode-map
mouse-button-2 (function mime-button-dispatcher))
)
- (cond (running-xemacs
+ (cond ((featurep 'xemacs)
(define-key mime-view-mode-map
mouse-button-3 (function mime-view-xemacs-popup-menu))
)
((>= emacs-major-version 19)
+ (define-key mime-view-mode-map
+ mouse-button-3 (function mime-view-popup-menu))
(define-key mime-view-mode-map [menu-bar mime-view]
(cons mime-view-menu-title
(make-sparse-keymap mime-view-menu-title)))
(bury-buffer buf)
))))
-(defun mime-view-mode (&optional mother ctl encoding ibuf obuf
+(defvar mime-view-redisplay nil)
+
+;;;###autoload
+(defun mime-display-message (message &optional preview-buffer
+ mother default-keymap-or-function
+ original-major-mode)
+ "View MESSAGE in MIME-View mode.
+
+Optional argument PREVIEW-BUFFER specifies the buffer of the
+presentation. It must be either nil or a name of preview buffer.
+
+Optional argument MOTHER specifies mother-buffer of the preview-buffer.
+
+Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
+function. If it is a keymap, keymap of MIME-View mode will be added
+to it. If it is a function, it will be bound as default binding of
+keymap of MIME-View mode."
+ (mime-maybe-hide-echo-buffer)
+ (let ((win-conf (current-window-configuration)))
+ (or preview-buffer
+ (setq preview-buffer
+ (concat "*Preview-" (mime-entity-name message) "*")))
+ (or original-major-mode
+ (setq original-major-mode major-mode))
+ (let ((inhibit-read-only t))
+ (set-buffer (get-buffer-create preview-buffer))
+ (widen)
+ (erase-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-display-entity message nil
+ `((entity-button . invisible)
+ (header . visible)
+ (major-mode . ,original-major-mode))
+ preview-buffer)
+ (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)
+ preview-buffer)))
+
+;;;###autoload
+(defun mime-view-buffer (&optional raw-buffer preview-buffer mother
+ default-keymap-or-function
+ representation-type)
+ "View RAW-BUFFER in MIME-View mode.
+Optional argument PREVIEW-BUFFER is either nil or a name of preview
+buffer.
+Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
+function. If it is a keymap, keymap of MIME-View mode will be added
+to it. If it is a function, it will be bound as default binding of
+keymap of MIME-View mode.
+Optional argument REPRESENTATION-TYPE is representation-type of
+message. It must be nil, `binary' or `cooked'. If it is nil,
+`cooked' is used as default."
+ (interactive)
+ (or raw-buffer
+ (setq raw-buffer (current-buffer)))
+ (or representation-type
+ (setq representation-type
+ (save-excursion
+ (set-buffer raw-buffer)
+ (cdr (or (assq major-mode mime-raw-representation-type-alist)
+ (assq t mime-raw-representation-type-alist)))
+ )))
+ (if (eq representation-type 'binary)
+ (setq representation-type 'buffer)
+ )
+ (setq preview-buffer (mime-display-message
+ (mime-open-entity representation-type raw-buffer)
+ preview-buffer mother default-keymap-or-function))
+ (or (get-buffer-window preview-buffer)
+ (let ((r-win (get-buffer-window raw-buffer)))
+ (if r-win
+ (set-window-buffer r-win preview-buffer)
+ (let ((m-win (and mother (get-buffer-window mother))))
+ (if m-win
+ (set-window-buffer m-win preview-buffer)
+ (switch-to-buffer preview-buffer)
+ ))))))
+
+(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))
+ (unless mime-view-redisplay
+ (save-excursion
+ (if raw-buffer (set-buffer raw-buffer))
+ (let ((type
+ (cdr
+ (or (assq major-mode mime-raw-representation-type-alist)
+ (assq t mime-raw-representation-type-alist)))))
+ (if (eq type 'binary)
+ (setq type 'buffer)
+ )
+ (setq mime-message-structure (mime-open-entity type raw-buffer))
+ (or (mime-entity-content-type mime-message-structure)
+ (mime-entity-set-content-type-internal
+ mime-message-structure ctl))
)
- (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)
- )))
+ (or (mime-entity-encoding mime-message-structure)
+ (mime-entity-set-encoding-internal mime-message-structure encoding))
+ ))
+ (mime-display-message mime-message-structure preview-buffer
+ mother default-keymap-or-function)
+ )
+
+
+;;; @@ 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
(autoload 'mime-preview-play-current-entity "mime-play"
"Play current entity." t)
-(defun mime-preview-extract-current-entity ()
+(defun mime-preview-extract-current-entity (&optional ignore-examples)
"Extract current entity into file (maybe).
It decodes current entity to call internal or external method as
\"extract\" mode. The method is selected from variable
`mime-acting-condition'."
- (interactive)
- (mime-preview-play-current-entity "extract")
+ (interactive "P")
+ (mime-preview-play-current-entity ignore-examples "extract")
)
-(defun mime-preview-print-current-entity ()
+(defun mime-preview-print-current-entity (&optional ignore-examples)
"Print current entity (maybe).
It decodes current entity to call internal or external method as
\"print\" mode. The method is selected from variable
`mime-acting-condition'."
- (interactive)
- (mime-preview-play-current-entity "print")
+ (interactive "P")
+ (mime-preview-play-current-entity ignore-examples "print")
)
;;; @@ 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'."
+`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
+ (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))
- ))
- ))
- (let* ((mode (mime-preview-original-major-mode))
- (new-name
- (format "%s-%s" (buffer-name) (reverse entity-node-id)))
- new-buf
- (the-buf (current-buffer))
- (a-buf mime-raw-buffer)
- fields)
- (save-excursion
- (set-buffer (setq new-buf (get-buffer-create new-name)))
- (erase-buffer)
- (insert-buffer-substring the-buf p-beg p-end)
- (goto-char (point-min))
- (let ((entity-node-id (mime-entity-node-id entity)) ci str)
- (while (progn
- (setq
- str
- (save-excursion
- (set-buffer a-buf)
- (setq
- ci
- (mime-raw-find-entity-from-node-id entity-node-id))
- (save-restriction
- (narrow-to-region
- (mime-entity-point-min ci)
- (mime-entity-point-max ci)
- )
- (std11-header-string-except
- (concat "^"
- (apply (function regexp-or) fields)
- ":") ""))))
- (if (and
- (eq (mime-entity-media-type ci) 'message)
- (eq (mime-entity-media-subtype ci) 'rfc822))
- nil
- (if str
- (insert str)
- )
- entity-node-id))
- (setq fields (std11-collect-field-names)
- entity-node-id (cdr entity-node-id))
- )
- )
- (let ((rest mime-view-following-required-fields-list))
- (while rest
- (let ((field-name (car rest)))
- (or (std11-field-body field-name)
- (insert
- (format
- (concat field-name
- ": "
- (save-excursion
- (set-buffer the-buf)
- (set-buffer mime-mother-buffer)
- (set-buffer mime-raw-buffer)
- (std11-field-body field-name)
- )
- "\n")))
- ))
- (setq rest (cdr rest))
- ))
- (eword-decode-header)
- )
- (let ((f (cdr (assq mode mime-view-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))
))
- ))))
-
-
-;;; @@ X-Face
-;;;
-
-(defun mime-preview-display-x-face ()
- (interactive)
- (save-window-excursion
- (set-buffer mime-raw-buffer)
- (mime-view-x-face-function)
- ))
+ (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
(get-text-property (point) 'mime-view-entity)))
(backward-char)
)
- (let ((r (mime-raw-find-entity-from-node-id
- (cdr (mime-entity-node-id cinfo))
- (get-text-property 1 'mime-view-entity)))
+ (let ((r (mime-entity-parent cinfo))
point)
(catch 'tag
(while (setq point (previous-single-property-change
(point) 'mime-view-entity))
(goto-char point)
- (if (eq r (get-text-property (point) 'mime-view-entity))
- (throw 'tag t)
+ (when (eq r (get-text-property (point) 'mime-view-entity))
+ (if (or (eq mime-preview-move-scroll t)
+ (and mime-preview-move-scroll
+ (>= point
+ (save-excursion
+ (move-to-window-line -1)
+ (forward-line (* -1 next-screen-context-lines))
+ (beginning-of-line)
+ (point)))))
+ (recenter next-screen-context-lines))
+ (throw 'tag t)
)
)
(mime-preview-quit)
(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))
+ (while (and (not (bobp))
+ (null (get-text-property (point) 'mime-view-entity)))
(backward-char)
)
- (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)))
+ (let ((point (previous-single-property-change (point) 'mime-view-entity)))
+ (if (and point
+ (>= point (point-min)))
+ (if (get-text-property (1- point) 'mime-view-entity)
+ (progn (goto-char point)
+ (if
+ (or (eq mime-preview-move-scroll t)
+ (and mime-preview-move-scroll
+ (<= point
+ (save-excursion
+ (move-to-window-line 0)
+ (forward-line next-screen-context-lines)
+ (end-of-line)
+ (point)))))
+ (recenter (* -1 next-screen-context-lines))))
+ (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 (and (not (eobp))
+ (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)))
+ (if (and point
+ (<= point (point-max)))
+ (progn
+ (goto-char point)
+ (if (null (get-text-property point 'mime-view-entity))
+ (mime-preview-move-to-next)
+ (and
+ (or (eq mime-preview-move-scroll t)
+ (and mime-preview-move-scroll
+ (>= point
+ (save-excursion
+ (move-to-window-line -1)
+ (forward-line
+ (* -1 next-screen-context-lines))
+ (beginning-of-line)
+ (point)))))
+ (recenter next-screen-context-lines))
+ ))
+ (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)))
- (if f
- (funcall (cdr f))
- ))
+ (if (eobp)
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-next-method-alist)))
+ (if f
+ (funcall (cdr f))
+ ))
(let ((point
(or (next-single-property-change (point) 'mime-view-entity)
- (point-max))))
- (forward-line h)
- (if (> (point) point)
- (goto-char point)
- )
+ (point-max)))
+ (bottom (window-end (selected-window))))
+ (if (and (not h)
+ (> bottom point))
+ (progn (goto-char point)
+ (recenter next-screen-context-lines))
+ (condition-case nil
+ (scroll-up h)
+ (end-of-buffer
+ (goto-char (point-max)))))
)))
(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)))
- (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))
+ (if (bobp)
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-previous-method-alist)))
+ (if f
+ (funcall (cdr f))
))
- (forward-line (- h))
- (if (< (point) point)
- (goto-char point)
- ))))
+ (let ((point
+ (or (previous-single-property-change (point) 'mime-view-entity)
+ (point-min)))
+ (top (window-start (selected-window))))
+ (if (and (not h)
+ (< top point))
+ (progn (goto-char point)
+ (recenter (* -1 next-screen-context-lines)))
+ (condition-case nil
+ (scroll-down h)
+ (beginning-of-buffer
+ (goto-char (point-min)))))
+ )))
-(defun mime-preview-next-line-entity ()
- (interactive)
- (mime-preview-scroll-up-entity 1)
+(defun mime-preview-next-line-entity (&optional lines)
+ "Scroll up one line (or prefix LINES lines).
+If LINES is negative, scroll down LINES lines."
+ (interactive "p")
+ (mime-preview-scroll-up-entity (or lines 1))
)
-(defun mime-preview-previous-line-entity ()
- (interactive)
- (mime-preview-scroll-down-entity 1)
+(defun mime-preview-previous-line-entity (&optional lines)
+ "Scrroll down one line (or prefix LINES lines).
+If LINES is negative, scroll up LINES lines."
+ (interactive "p")
+ (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
;;;
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))
(provide 'mime-view)
-(run-hooks 'mime-view-load-hook)
+(let* ((file mime-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-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))
+ (setq mime-acting-situation-example-list
+ (mime-reduce-situation-examples
+ mime-acting-situation-example-list))
+ (setq i (1+ i))
+ ))
+ (error (setq mime-acting-situation-example-list nil)))
+ )
+ (kill-buffer buffer))))
;;; mime-view.el ends here