;;; mime-view.el --- interactive MIME viewer for GNU Emacs
-;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Created: 1994/07/13
;; 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 "SEMI MIME-View "
- (mapconcat #'number-to-string (cdr semi-version) ".")
- " (" (car semi-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) ")"))
-;;; @ 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)
+
+(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)))
+
+(defcustom mime-preview-scroll-full-screen nil
+ "*When non-nil, always scroll full screen.
+If nil, point will be moved to the next entity if exists."
+ :group 'mime-view
+ :type '(choice (const :tag "On" t)
+ (const :tag "Off" nil)))
+
+(defcustom mime-view-force-inline-types '(text multipart)
+ "*List of MIME types that \"attachment\" should be ignored.
+The element can be type or type/subtype. When t, inline everything
+if possible."
+ :group 'mime-view
+ :type '(choice (const :tag "Nothing" nil)
+ (const :tag "All" t)
+ (list (repeat symbol))))
+
+(defcustom mime-view-button-place-alist
+ '((message . around)
+ (application . before)
+ (multipart/alternative . around))
+ "*Alist of MIME type or type/subtype vs. button place.
+When around, button will be inserted before and after that part.
+When after or before, button will be inserted that place.
+If not specified, that type will not have button."
+ :group 'mime-view
+ :type '(choice (const :tag "Nothing" nil)
+ (list (repeat symbol))))
+
+;; Rename this.
+(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)))
+
+;;; @ 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'.")
+
+
+;; (defun mime-raw-find-entity-from-point (point &optional message-info)
+;; "Return entity from POINT in mime-raw-buffer.
+;; If optional argument MESSAGE-INFO is not specified,
+;; `mime-message-structure' is used."
+;; (or message-info
+;; (setq message-info mime-message-structure))
+;; (if (and (<= (mime-entity-point-min message-info) point)
+;; (<= point (mime-entity-point-max message-info)))
+;; (let ((children (mime-entity-children message-info)))
+;; (catch 'tag
+;; (while children
+;; (let ((ret
+;; (mime-raw-find-entity-from-point point (car children))))
+;; (if ret
+;; (throw 'tag ret)
+;; ))
+;; (setq children (cdr children)))
+;; message-info))))
+;; (make-obsolete 'mime-raw-find-entity-from-point "don't use it.")
+
+
+;;; @ in preview-buffer (presentation space)
;;;
(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))
-(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-view-entity-title (entity)
+ (or (mime-entity-read-field entity 'Content-Description)
+ (mime-entity-read-field entity 'Subject)
+ (mime-entity-filename entity)
+ ""))
+
+
+;; (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-message-structure' is used."
+;; (mime-entity-node-id (mime-raw-find-entity-from-point point message-info)))
+
+;; (make-obsolete 'mime-raw-point-to-entity-node-id "don't use it.")
+
+;; (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-message-structure' is used."
+;; (mime-entity-number (mime-raw-find-entity-from-point point message-info)))
+
+;; (make-obsolete 'mime-raw-point-to-entity-number "don't use it.")
+
+;; (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-message-structure' is used."
+;; (or message-info
+;; (setq message-info mime-message-structure))
+;; (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
;;; @@@ predicate function
;;;
-(defvar mime-view-content-button-visible-ctype-list
- '("application/pgp"))
+;; fix flim
+(defun mime-view-entity-type/subtype (entity)
+ (if (not (mime-entity-media-type entity))
+ 'text/plain
+ (intern (format "%s/%s"
+ (mime-entity-media-type entity)
+ (mime-entity-media-subtype entity)))))
-(defun mime-view-entity-button-visible-p (entity message-info)
+(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."
- (and (not (mime-root-entity-p entity))
- (let ((media-type (mime-entity-media-type entity))
- (media-subtype (mime-entity-media-subtype entity)))
- (or (not (eq media-type 'application))
- (and (not (eq media-subtype 'x-selection))
- (or (not (eq media-subtype 'octet-stream))
- (let ((mother-entity
- (mime-raw-entity-parent entity message-info)))
- (or (not (eq (mime-entity-media-type mother-entity)
- 'multipart))
- (not (eq (mime-entity-media-subtype mother-entity)
- 'encrypted)))
- )
- ))))))
+You can customize the visibility by changing `mime-view-button-place-alist'."
+ (or
+ ;; Check current entity
+ ;; type/subtype
+ (memq (cdr (assq (mime-view-entity-type/subtype entity)
+ mime-view-button-place-alist))
+ '(around before))
+ ;; type
+ (memq (cdr (assq (mime-entity-media-type entity)
+ mime-view-button-place-alist))
+ '(around before))
+ (and (mime-entity-parent entity)
+ (let ((prev-entity
+ (cadr (memq entity
+ (reverse (mime-entity-children
+ (mime-entity-parent entity)))))))
+ ;; When previous entity exists
+ (and prev-entity
+ (or
+ ;; Check previous eneity
+ ;; type/subtype
+ (memq (cdr
+ (assq
+ (mime-view-entity-type/subtype prev-entity)
+ mime-view-button-place-alist))
+ '(around after))
+ ;; type
+ (memq (cdr
+ (assq
+ (mime-entity-media-type prev-entity)
+ mime-view-button-place-alist))
+ '(around after))))))))
;;; @@@ entity button generator
;;;
-(defun mime-view-insert-entity-button (entity message-info subj)
+(defun mime-view-insert-entity-button (entity &optional body-is-invisible)
"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))
- (if (consp entity-node-id)
- (mapconcat (function
- (lambda (num)
- (format "%s" (1+ num))
- ))
- (reverse entity-node-id) ".")
- "0"))
- ))
- (cond (access-type
- (let ((server (assoc "server" params)))
- (setq access-type (cdr access-type))
- (if server
- (format "%s %s ([%s] %s)"
- num subj 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)
- )))
- )
- (t
- (let ((media-type (mime-entity-media-type entity))
- (media-subtype (mime-entity-media-subtype entity))
- (charset (cdr (assoc "charset" params)))
- (encoding (mime-entity-encoding entity)))
- (concat
- num " " subj
- (let ((rest
- (format " <%s/%s%s%s>"
- media-type media-subtype
- (if charset
- (concat "; " charset)
- "")
- (if encoding
- (concat " (" encoding ")")
- ""))))
- (if (>= (+ (current-column)(length rest))(window-width))
- "\n\t")
- rest)))
- )))
+ (concat
+ (let ((access-type (assoc "access-type" params))
+ (num (or (cdr (assoc "x-part-number" params))
+ (if (consp entity-node-id)
+ (mapconcat (function
+ (lambda (num)
+ (format "%s" (1+ num))
+ ))
+ (reverse entity-node-id) ".")
+ "0"))
+ ))
+ (cond (access-type
+ (let ((server (assoc "server" params)))
+ (setq access-type (cdr access-type))
+ (if server
+ (format "%s %s ([%s] %s)"
+ num subject access-type (cdr server))
+ (let ((site (cdr (assoc "site" params)))
+ (dir (cdr (assoc "directory" params)))
+ (url (cdr (assoc "url" params)))
+ )
+ (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
+ (let ((media-type (mime-entity-media-type entity))
+ (media-subtype (mime-entity-media-subtype entity))
+ (charset (cdr (assoc "charset" params)))
+ (encoding (mime-entity-encoding entity)))
+ (concat
+ num " " subject
+ (let ((rest
+ (format " <%s/%s%s%s>"
+ media-type media-subtype
+ (if charset
+ (concat "; " charset)
+ "")
+ (if encoding
+ (concat " (" encoding ")")
+ ""))))
+ (if (>= (+ (current-column)(length rest))(window-width))
+ "\n\t")
+ rest)))
+ )))
+ (if body-is-invisible
+ " ..."
+ ""))
(function mime-preview-play-current-entity))
))
;;; @@ 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)))
- (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
-;;;
-
-(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)))
+ (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)
+ 'mime-preview-condition '((type . application)(subtype . t)
(encoding . nil)
(body . visible)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ 'mime-preview-condition '((type . application)(subtype . t)
(encoding . "7bit")
(body . visible)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ 'mime-preview-condition '((type . application)(subtype . t)
(encoding . "8bit")
(body . visible)))
(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)))
(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 . text)(subtype . t)
+ (body . visible)
+ (body-presentation-method . mime-display-text/plain)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . text)(subtype . x-rot13-47-48)
+ (body . visible)
+ (body-presentation-method . mime-display-text/x-rot13-47-48)))
+
+(ctree-set-calist-strictly
+ '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 . partial)
(body-presentation-method
- . mime-view-insert-message/partial-button)))
+ . mime-display-message/partial-button)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . rfc822)
+ (body-presentation-method . nil)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
-(defun mime-view-body-visible-p (entity message-info)
- "Return non-nil if body of ENTITY is visible."
- (ctree-match-calist mime-preview-condition
- (list* (cons 'type (mime-entity-media-type entity))
- (cons 'subtype (mime-entity-media-subtype entity))
- (cons 'encoding (mime-entity-encoding entity))
- (cons 'major-mode major-mode)
- (mime-entity-parameters entity))))
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . news)
+ (body-presentation-method . nil)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
-;;; @@@ entity filter
+;;; @@@ entity presentation
;;;
-(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")
+(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)
+ ))
-(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.
+(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))
+ )))
-Specification of FUNCTION is described in DOC-string of variable
-`mime-text-decoder'.
+(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))
+ )))
-This value is overridden by buffer local variable `mime-text-decoder'
-if it is not nil.")
+(defun mime-display-text/x-rot13-47-48 (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-insert-text-content entity)
+ (goto-char (point-max))
+ (if (not (eq (char-after (1- (point))) ?\n))
+ (insert "\n"))
+ (mule-caesar-region (point-min) (point-max))
+ (mime-add-url-buttons)))
+
+(put 'unpack 'lisp-indent-function 1)
+(defmacro unpack (string &rest body)
+ `(let* ((*unpack*string* (string-as-unibyte ,string))
+ (*unpack*index* 0))
+ ,@body))
+
+(defun unpack-skip (len)
+ (setq *unpack*index* (+ len *unpack*index*)))
+
+(defun unpack-fixed (len)
+ (prog1
+ (substring *unpack*string* *unpack*index* (+ *unpack*index* len))
+ (unpack-skip len)))
+
+(defun unpack-byte ()
+ (char-int (aref (unpack-fixed 1) 0)))
+
+(defun unpack-short ()
+ (let* ((b0 (unpack-byte))
+ (b1 (unpack-byte)))
+ (+ (* 256 b0) b1)))
+
+(defun unpack-long ()
+ (let* ((s0 (unpack-short))
+ (s1 (unpack-short)))
+ (+ (* 65536 s0) s1)))
+
+(defun unpack-string ()
+ (let ((len (unpack-byte)))
+ (unpack-fixed len)))
+
+(defun unpack-string-sjis ()
+ (decode-mime-charset-string (unpack-string) 'shift_jis))
+
+(defun postpet-decode (string)
+ (condition-case nil
+ (unpack string
+ (let (res)
+ (unpack-skip 4)
+ (set-alist 'res 'carryingcount (unpack-long))
+ (unpack-skip 8)
+ (set-alist 'res 'sentyear (unpack-short))
+ (set-alist 'res 'sentmonth (unpack-short))
+ (set-alist 'res 'sentday (unpack-short))
+ (unpack-skip 8)
+ (set-alist 'res 'petname (unpack-string-sjis))
+ (set-alist 'res 'owner (unpack-string-sjis))
+ (set-alist 'res 'pettype (unpack-fixed 4))
+ (set-alist 'res 'health (unpack-short))
+ (unpack-skip 2)
+ (set-alist 'res 'sex (unpack-long))
+ (unpack-skip 1)
+ (set-alist 'res 'brain (unpack-byte))
+ (unpack-skip 39)
+ (set-alist 'res 'happiness (unpack-byte))
+ (unpack-skip 14)
+ (set-alist 'res 'petbirthyear (unpack-short))
+ (set-alist 'res 'petbirthmonth (unpack-short))
+ (set-alist 'res 'petbirthday (unpack-short))
+ (unpack-skip 8)
+ (set-alist 'res 'from (unpack-string))
+ (unpack-skip 5)
+ (unpack-skip 160)
+ (unpack-skip 4)
+ (unpack-skip 8)
+ (unpack-skip 8)
+ (unpack-skip 26)
+ (set-alist 'res 'treasure (unpack-short))
+ (set-alist 'res 'money (unpack-long))
+ res))
+ (error nil)))
+
+(defun mime-display-application/x-postpet (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (let ((pet (postpet-decode (mime-entity-content entity))))
+ (if pet
+ (insert "Petname: " (cdr (assq 'petname pet)) "\n"
+ "Owner: " (cdr (assq 'owner pet)) "\n"
+ "Pettype: " (cdr (assq 'pettype pet)) "\n"
+ "From: " (cdr (assq 'from pet)) "\n"
+ "CarryingCount: " (int-to-string (cdr (assq 'carryingcount pet))) "\n"
+ "SentYear: " (int-to-string (cdr (assq 'sentyear pet))) "\n"
+ "SentMonth: " (int-to-string (cdr (assq 'sentmonth pet))) "\n"
+ "SentDay: " (int-to-string (cdr (assq 'sentday pet))) "\n"
+ "PetbirthYear: " (int-to-string (cdr (assq 'petbirthyear pet))) "\n"
+ "PetbirthMonth: " (int-to-string (cdr (assq 'petbirthmonth pet))) "\n"
+ "PetbirthDay: " (int-to-string (cdr (assq 'petbirthday pet))) "\n"
+ "Health: " (int-to-string (cdr (assq 'health pet))) "\n"
+ "Sex: " (int-to-string (cdr (assq 'sex pet))) "\n"
+ "Brain: " (int-to-string (cdr (assq 'brain pet))) "\n"
+ "Happiness: " (int-to-string (cdr (assq 'happiness pet))) "\n"
+ "Treasure: " (int-to-string (cdr (assq 'treasure pet))) "\n"
+ "Money: " (int-to-string (cdr (assq 'money pet))) "\n"
+ )
+ (insert "Invalid format\n"))
+ (run-hooks 'mime-display-application/x-postpet-hook))))
(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))
+ )))
-;;; @@ entity separator
-;;;
+(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
+ (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-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))
+ )))
-(defun mime-view-entity-separator-visible-p (entity message-info)
- "Return non-nil if separator is needed for ENTITY."
- (and (not (mime-view-header-visible-p entity message-info))
- (not (mime-view-body-visible-p entity message-info))))
+(defun mime-preview-inline ()
+ "View part as text without code conversion"
+ (interactive)
+ (let ((inhibit-read-only t)
+ (entity (get-text-property (point) 'mime-view-entity))
+ (situation (get-text-property (point) 'mime-view-situation))
+ start end)
+ (when (and entity
+ (not (get-text-property (point) 'mime-view-entity-header))
+ (not (memq (mime-entity-media-type entity)
+ '(multipart message))))
+ (setq start (or (and (not (mime-entity-parent entity))
+ (1+ (previous-single-property-change
+ (point)
+ 'mime-view-entity-header)))
+ (and (not (eq (point) (point-min)))
+ (not (eq (get-text-property (1- (point))
+ 'mime-view-entity)
+ entity))
+ (point))
+ (previous-single-property-change (point)
+ 'mime-view-entity)
+ (point)))
+ (delete-region start
+ (1-
+ (or (next-single-property-change (point)
+ 'mime-view-entity)
+ (point-max))))
+ (setq start (point))
+ (if (mime-view-entity-button-visible-p entity)
+ (mime-view-insert-entity-button entity))
+ (insert (mime-entity-content entity))
+ (if (and (bolp) (eolp))
+ (delete-char 1)
+ (forward-char 1))
+ (add-text-properties start (point)
+ (list 'mime-view-entity entity
+ 'mime-view-situation situation))
+ (goto-char start))))
+
+(defun mime-preview-text (&optional ask-coding)
+ "View part as text. MIME charset will be guessed automatically.
+With prefix, it prompts for coding-system."
+ (interactive "P")
+ (let ((inhibit-read-only t)
+ (entity (get-text-property (point) 'mime-view-entity))
+ (situation (get-text-property (point) 'mime-view-situation))
+ (coding (if ask-coding
+ (or (read-coding-system "Coding system: ")
+ 'undecided)
+ 'undecided)))
+ (when (and entity
+ (not (get-text-property (point) 'mime-view-entity-header))
+ (not (memq (mime-entity-media-type entity)
+ '(multipart message))))
+ (setq start (or (and (not (mime-entity-parent entity))
+ (1+ (previous-single-property-change
+ (point)
+ 'mime-view-entity-header)))
+ (and (not (eq (point) (point-min)))
+ (not (eq (get-text-property (1- (point))
+ 'mime-view-entity)
+ entity))
+ (point))
+ (previous-single-property-change (point)
+ 'mime-view-entity)
+ (point)))
+ (delete-region start
+ (1-
+ (or (next-single-property-change (point)
+ 'mime-view-entity)
+ (point-max))))
+ (setq start (point))
+ (if (mime-view-entity-button-visible-p entity)
+ (mime-view-insert-entity-button entity))
+ (insert (decode-coding-string (mime-entity-content entity) coding))
+ (if (and (bolp) (eolp))
+ (delete-char 1)
+ (forward-char 1))
+ (add-text-properties start (point)
+ (list 'mime-view-entity entity
+ 'mime-view-situation situation))
+ (goto-char start))))
+
+
+(defun mime-preview-type ()
+ "View part as text without code conversion"
+ (interactive)
+ (let ((inhibit-read-only t)
+ (entity (get-text-property (point) 'mime-view-entity))
+ (situation (get-text-property (point) 'mime-view-situation))
+ (mime-view-force-inline-types t)
+ start end)
+ (when (and entity
+ (not (get-text-property (point) 'mime-view-entity-header))
+ (not (memq (mime-entity-media-type entity)
+ '(multipart message))))
+ (setq start (or (and (not (mime-entity-parent entity))
+ (1+ (previous-single-property-change
+ (point)
+ 'mime-view-entity-header)))
+ (and (not (eq (point) (point-min)))
+ (not (eq (get-text-property (1- (point))
+ 'mime-view-entity)
+ entity))
+ (point))
+ (previous-single-property-change (point)
+ 'mime-view-entity)
+ (point)))
+ (delete-region start
+ (1-
+ (or (next-single-property-change (point)
+ 'mime-view-entity)
+ (point-max))))
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (mime-display-entity entity (if (eq (assq 'body situation)
+ 'invisible)
+ situation
+ (put-alist 'body 'visible
+ situation))))
+ (if (and (bolp) (eolp))
+ (delete-char 1))))))
+
+(defun mime-preview-buttonize ()
+ (interactive)
+ (save-excursion
+ (goto-char (point-min))
+ (let ((inhibit-read-only t)
+ point)
+ (while (setq point (next-single-property-change
+ (point) 'mime-view-entity))
+ (goto-char point)
+ (unless (get-text-property (point) 'mime-button-callback)
+ (mime-view-insert-entity-button
+ (get-text-property (point) 'mime-view-entity)))))))
+(defun mime-preview-unbuttonize ()
+ (interactive)
+ (save-excursion
+ (goto-char (point-min))
+ (let ((inhibit-read-only t)
+ point)
+ (while (setq point (next-single-property-change
+ (point) 'mime-view-entity))
+ (goto-char point)
+ (if (get-text-property (point) 'mime-button-callback)
+ (delete-region (point) (save-excursion
+ (goto-char
+ (next-single-property-change
+ (point) 'mime-button-callback)))))))))
+
;;; @ 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")
- )
-
- ((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"))
- ))
+(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))
+ )))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . application)(subtype . octet-stream)
+ (mode . "play")
+ (method . mime-detect-content)
+ ))
+
+(ctree-set-calist-with-default
+ 'mime-acting-condition
+ '((mode . "extract")
+ (method . mime-save-content)))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . text)(subtype . x-rot13-47)(mode . "play")
+ (method . mime-view-caesar)
+ ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . text)(subtype . x-rot13-47-48)(mode . "play")
+ (method . mime-view-caesar)
+ ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . rfc822)(mode . "play")
+ (method . mime-view-message/rfc822)
+ ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . partial)(mode . "play")
+ (method . mime-store-message/partial-piece)
+ ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((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" . "url")
+ (method . mime-view-message/external-url)
+ ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . application)(subtype . octet-stream)
+ (method . mime-save-content)
+ ))
;;; @ 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
;;;
-(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)
- (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* ((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))
- 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)
- (if (mime-view-entity-button-visible-p entity message-info)
- (mime-view-insert-entity-button entity message-info subj)
- )
- (if (mime-view-header-visible-p entity message-info)
- (save-restriction
- (narrow-to-region (point)(point))
- (insert-buffer-substring mime-raw-buffer start end-of-header)
- (let ((f (cdr (assq mime-preview-original-major-mode
- mime-view-content-header-filter-alist))))
- (if (functionp f)
- (funcall f)
- (mime-view-default-content-header-filter)
- ))
- (run-hooks 'mime-view-content-header-filter-hook)
- ))
- (if (and (mime-root-entity-p entity)
- (member
- ctype mime-view-content-button-visible-ctype-list))
- (save-excursion
- (goto-char (point-max))
- (mime-view-insert-entity-button entity message-info subj)
- ))
- (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)))
+(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)
+ (mime-goto-header-start-point entity)
+ (in-calist-package 'mime-view)
+ (or situation
+ (setq situation
+ (or (ctree-match-calist mime-preview-condition
+ (append (mime-entity-situation entity)
+ default-situation))
+ default-situation)))
+ (let ((button-is-invisible
+ (or (eq (cdr (assq 'entity-button situation)) 'invisible)
+ (not (mime-view-entity-button-visible-p entity))))
+ (header-is-visible
+ (eq (cdr (assq 'header situation)) 'visible))
+ (header-presentation-method
+ (or (cdr (assq 'header-presentation-method situation))
+ (cdr (assq (cdr (assq 'major-mode situation))
+ mime-header-presentation-method-alist))))
+ (body-is-visible
+ (eq (cdr (assq 'body situation)) 'visible))
(body-presentation-method
- (cdr (assq 'body-presentation-method situation))))
- (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)
- )
- ((and (null entity-node-id)
- (null (mime-entity-children message-info)))
- (goto-char (point-max))
- (mime-view-insert-entity-button entity message-info subj)
- ))
- (when (mime-view-entity-separator-visible-p entity message-info)
- (goto-char (point-max))
- (insert "\n"))
- )
- (setq ne (point-max))
- (widen)
- (put-text-property nb ne 'mime-view-raw-buffer ibuf)
- (put-text-property nb ne 'mime-view-entity 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)
- ""))
+ (cdr (assq 'body-presentation-method situation)))
+ (children (mime-entity-children entity)))
+ ;; Check if attachment is specified.
+ ;; if inline is forced or not.
+ (if (not (or (eq t mime-view-force-inline-types)
+ (memq (mime-entity-media-type entity)
+ mime-view-force-inline-types)
+ (memq (mime-view-entity-type/subtype entity)
+ mime-view-force-inline-types)
+ ;; whether Content-Disposition header exists.
+ (not (and
+ (mime-entity-content-disposition entity)
+ (eq 'inline
+ (mime-content-disposition-type
+ (mime-entity-content-disposition entity)))))))
+ ;; This is attachment
+ (setq header-is-visible nil
+ body-is-visible nil))
+ (set-buffer preview-buffer)
+ (setq nb (point))
+ (save-restriction
+ (narrow-to-region nb nb)
+ (or button-is-invisible
+ (if (mime-view-entity-button-visible-p entity)
+ (mime-view-insert-entity-button entity
+ ;; work around composite type
+ (not (or children
+ body-is-visible)))))
+ (when header-is-visible
+ (setq nhb (point))
+ (if header-presentation-method
+ (funcall header-presentation-method entity situation)
+ (mime-insert-header entity
+ mime-view-ignored-field-list
+ mime-view-visible-field-list))
+ (run-hooks 'mime-display-header-hook)
+ (put-text-property nhb (point-max) 'mime-view-entity-header entity)
+ (goto-char (point-max))
+ (insert "\n"))
+ (setq nbb (point))
+ (cond (children)
+ ((and body-is-visible
+ (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
+ ;; work around composite type
+ (not (or children
+ body-is-visible))))
+ (or header-is-visible
+ (progn
+ (goto-char (point-max))
+ (insert "\n")
+ ))
+ ))
+ (setq ne (point-max)))
+ (put-text-property nb ne 'mime-view-entity entity)
+ (put-text-property nb ne 'mime-view-situation situation)
+ (put-text-property nbb ne 'mime-view-entity-body entity)
+ (goto-char ne)
+ (if children
+ (if (functionp body-presentation-method)
+ (funcall body-presentation-method entity situation)
+ (mime-display-multipart/mixed entity situation))))))
;;; @ 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)
+ (raw "View text without code conversion" mime-preview-inline)
+ (text "View text with code conversion" mime-preview-text)
+ (type "View internally as type" mime-preview-type)
)
"Menu for MIME Viewer")
-(cond (running-xemacs
+(cond ((featurep 'xemacs)
(defvar mime-view-xemacs-popup-menu
(cons mime-view-menu-title
(mapcar (function
(define-key mime-view-mode-map
"e" (function mime-preview-extract-current-entity))
(define-key mime-view-mode-map
+ "i" (function mime-preview-inline))
+ (define-key mime-view-mode-map
+ "c" (function mime-preview-text))
+ (define-key mime-view-mode-map
+ "t" (function mime-preview-type))
+ (define-key mime-view-mode-map
+ "b" (function mime-preview-buttonize))
+ (define-key mime-view-mode-map
+ "B" (function mime-preview-unbuttonize))
+ (define-key mime-view-mode-map
"\C-c\C-p" (function mime-preview-print-current-entity))
(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))
)
(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
+ (with-current-buffer (mime-entity-header-buffer message)
+ 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)
+ )
;;; @@ 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 ((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)
(let* ((p-beg
(previous-single-property-change (point) 'mime-view-entity))
p-end
+ ph-end
(entity-node-id (mime-entity-node-id entity))
(len (length entity-node-id))
)
(setq p-end (point-max))
))
))
- (let* ((mode (mime-preview-original-major-mode))
+ (setq ph-end
+ (previous-single-property-change p-end 'mime-view-entity-header))
+ (if (or (null ph-end)
+ (< ph-end p-beg))
+ (setq ph-end p-beg)
+ )
+ (let* ((mode (mime-preview-original-major-mode 'recursive))
(new-name
(format "%s-%s" (buffer-name) (reverse entity-node-id)))
new-buf
(the-buf (current-buffer))
- (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))
- (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")
+ (insert-buffer-substring the-buf ph-end p-end)
+ (when (= ph-end p-beg)
+ (goto-char (point-min))
+ (insert ?\n))
(goto-char (point-min))
- (let ((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))
+ (let ((current-entity
+ (if (and (eq (mime-entity-media-type entity) 'message)
+ (eq (mime-entity-media-subtype entity) 'rfc822))
+ (mime-entity-children entity)
+ entity))
+ str)
+ (while (and current-entity
+ (progn
+ (setq str
+ (with-current-buffer
+ (mime-entity-header-buffer current-entity)
+ (save-restriction
+ (narrow-to-region
+ (mime-entity-header-start-point
+ current-entity)
+ (mime-entity-header-end-point
+ current-entity))
+ (std11-header-string-except
+ (concat
+ "^"
+ (apply (function regexp-or) fields)
+ ":") ""))))
+ (if (and (eq (mime-entity-media-type
+ current-entity) 'message)
+ (eq (mime-entity-media-subtype
+ current-entity) 'rfc822))
+ nil
+ (if str
+ (insert str)
+ )
+ t)))
(setq fields (std11-collect-field-names)
- entity-node-id (cdr entity-node-id))
+ current-entity (mime-entity-parent current-entity))
)
)
- (let ((rest mime-view-following-required-fields-list))
+ (let ((rest mime-view-following-required-fields-list)
+ field-name ret)
(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 field-name (car rest))
+ (or (std11-field-body field-name)
+ (progn
+ (save-excursion
+ (set-buffer the-buf)
+ (setq ret
+ (when mime-mother-buffer
+ (set-buffer mime-mother-buffer)
+ (mime-entity-fetch-field
+ (get-text-property (point)
+ 'mime-view-entity)
+ field-name))))
+ (if ret
+ (insert (concat field-name ": " ret "\n"))
+ )))
(setq rest (cdr rest))
))
- (eword-decode-header)
+ (mime-decode-header-in-buffer)
)
- (let ((f (cdr (assq mode mime-view-following-method-alist))))
+ (let ((f (cdr (assq mode mime-preview-following-method-alist))))
(if (functionp f)
(funcall f new-buf)
(message
))))
-;;; @@ X-Face
-;;;
-
-(defun mime-preview-display-x-face ()
- (interactive)
- (save-window-excursion
- (set-buffer mime-raw-buffer)
- (mime-view-x-face-function)
- ))
-
-
;;; @@ moving
;;;
(let (cinfo)
(while (null (setq cinfo
(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)))
+ (backward-char))
+ (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)
- )
- )
- (mime-preview-quit)
- ))))
+ (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 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))
- ))
- )))
+ (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))
- ))
- )))
+ (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)
+ (not mime-preview-scroll-full-screen))
+ (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'."
- (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))
- ))
- (forward-line (- h))
- (if (< (point) point)
- (goto-char point)
- ))))
-
-(defun mime-preview-next-line-entity ()
+`mime-preview-over-to-previous-method-alist'."
(interactive)
- (mime-preview-scroll-up-entity 1)
- )
-
-(defun mime-preview-previous-line-entity ()
- (interactive)
- (mime-preview-scroll-down-entity 1)
- )
-
+ (if (bobp)
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-previous-method-alist)))
+ (if f
+ (funcall (cdr f))))
+ (let ((point
+ (or (previous-single-property-change (point) 'mime-view-entity)
+ (point-min)))
+ (top (window-start (selected-window))))
+ (if (and (not h)
+ (< top point)
+ (not mime-preview-scroll-full-screen))
+ (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 (&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 (&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)))
;;; @@ 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))
projects / elisp / semi.git / blobdiff