;;; mime-view.el --- interactive MIME viewer for GNU Emacs
-;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Created: 1994/7/13
;; Renamed: 1994/8/31 from tm-body.el
;; Renamed: 1997/02/19 from tm-view.el
-;; Version: $Revision: 0.27 $
;; Keywords: MIME, multimedia, mail, news
-;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+;; This file is part of SEMI (Sophisticated Emacs MIME Interfaces).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;;; Code:
-(require 'cl)
(require 'std11)
(require 'mel)
(require 'eword-decode)
;;; @ version
;;;
-(defconst mime-view-RCS-ID
- "$Id: mime-view.el,v 0.27 1997-03-16 01:17:57 morioka Exp $")
-
-(defconst mime-view-version (get-version-string mime-view-RCS-ID))
+(defconst mime-view-version-string
+ `,(concat "SEMI MIME-View "
+ (mapconcat #'number-to-string (cdr semi-version) ".")
+ " (" (car semi-version) ")"))
;;; @ variables
;;;
-(defvar mime/content-decoding-condition
+(defvar mime-acting-condition
'(((type . "text/plain")
(method "tm-plain" nil 'file 'type 'encoding 'mode 'name)
(mode "play" "print")
(mode . "play")
)
((type . "text/x-rot13-47")
- (method . mime-article/decode-caesar)
+ (method . mime-display-caesar)
+ (mode . "play")
+ )
+ ((type . "text/x-rot13-47-48")
+ (method . mime-display-caesar)
(mode . "play")
)
((type . "audio/basic")
(method "tm-image" nil 'file 'type 'encoding 'mode 'name)
(mode "play" "print")
)
+ ((type . "image/png")
+ (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
((type . "image/tiff")
(method "tm-image" nil 'file 'type 'encoding 'mode 'name)
(mode "play" "print")
;; (method "xterm" nil
;; "-e" "showexternal"
;; 'file '"access-type" '"name" '"site" '"directory"))
+ ((type . "message/external-body")
+ ("access-type" . "anon-ftp")
+ (method . mime-display-message/external-ftp)
+ )
((type . "message/rfc822")
- (method . mime-article/view-message/rfc822)
+ (method . mime-display-message/rfc822)
(mode . "play")
)
((type . "message/partial")
- (method . mime-article/decode-message/partial)
+ (method . mime-display-message/partial)
(mode . "play")
)
- ((type . "message/external-body")
- ("access-type" . "anon-ftp")
- (method . mime-article/decode-message/external-ftp)
- )
((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
(mode . "play")
"*List of media-types to be able to display in MIME-View buffer.
Each elements are string of TYPE/SUBTYPE, e.g. \"text/plain\".")
-(defvar mime-view-content-button-ignored-ctype-list
- '("application/x-selection"))
-
(defvar mime-view-content-button-visible-ctype-list
'("application/pgp"))
(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. [mime-view.el]")
-
-(defvar mime-view-visible-field-regexp
- (concat "^"
- (apply (function regexp-or) mime-view-visible-field-list)
- ":"))
+Each elements are regexp of field-name.")
(defvar mime-view-redisplay nil)
))
-;;; @@ predicate functions
+;;; @@ entity button
;;;
-(defun mime-view-header-visible-p (rcnum cinfo &optional ctype)
- (or (null rcnum)
- (progn
- (setq ctype
- (mime::content-info/type
- (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
- ))
- (member ctype mime-view-childrens-header-showing-Content-Type-list)
- )))
-
-(defun mime-view-body-visible-p (rcnum cinfo &optional ctype)
- (let (ccinfo)
- (or ctype
- (setq ctype
- (mime::content-info/type
- (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
- ))
- )
- (and (member ctype mime-view-visible-media-type-list)
- (if (string-equal ctype "application/octet-stream")
- (progn
- (or ccinfo
- (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
- )
- (member (mime::content-info/encoding ccinfo)
- '(nil "7bit" "8bit"))
- )
- t))
- ))
-
-
-;;; @@ content button
-;;;
-
-(defun mime-preview/insert-content-button
- (rcnum cinfo ctype params subj encoding)
- (save-restriction
- (narrow-to-region (point)(point))
- (let ((access-type (assoc "access-type" params))
- (charset (assoc "charset" params))
- (num (or (cdr (assoc "x-part-number" params))
- (if (consp rcnum)
- (mapconcat (function
- (lambda (num)
- (format "%s" (1+ num))
- ))
- (reverse rcnum) ".")
- "0"))
- ))
- (cond (access-type
- (let ((server (assoc "server" params)))
- (setq access-type (cdr access-type))
- (if server
- (insert (format "[%s %s ([%s] %s)]\n" num subj
- access-type (cdr server)))
- (let ((site (cdr (assoc "site" params)))
- (dir (cdr (assoc "directory" params)))
- )
- (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
- access-type site dir))
- )))
- )
- (t
- (insert (concat "[" num " " subj))
- (let ((rest
- (if (setq charset (cdr charset))
- (if encoding
- (format " <%s; %s (%s)>]\n"
- ctype charset encoding)
- (format " <%s; %s>]\n" ctype charset)
- )
- (format " <%s>]\n" ctype)
- )))
- (if (>= (+ (current-column)(length rest))(window-width))
- (setq rest (concat "\n\t" rest))
- )
- (insert rest)
- ))))
- (mime-add-button (point-min)(1- (point-max))
- (function mime-view-play-content))
- ))
-
-(defun mime-preview/default-content-button-function
- (rcnum cinfo ctype params subj encoding)
- (if (and (consp rcnum)
- (not (member
- ctype
- mime-view-content-button-ignored-ctype-list)))
- (mime-preview/insert-content-button
- rcnum cinfo ctype params subj encoding)
- ))
+(defun mime-view-insert-entity-button (rcnum cinfo
+ media-type media-subtype params
+ subj encoding)
+ "Insert entity-button."
+ (mime-insert-button
+ (let ((access-type (assoc "access-type" params))
+ (num (or (cdr (assoc "x-part-number" params))
+ (if (consp rcnum)
+ (mapconcat (function
+ (lambda (num)
+ (format "%s" (1+ num))
+ ))
+ (reverse rcnum) ".")
+ "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 ((charset (cdr (assoc "charset" params))))
+ (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)))
+ )))
+ (function mime-view-play-current-entity))
+ )
-(defvar mime-preview/content-button-function
- (function mime-preview/default-content-button-function))
+(defun mime-view-entity-button-function (rcnum cinfo
+ media-type media-subtype
+ params subj encoding)
+ "Insert entity button conditionally.
+Please redefine this function if you want to change default setting."
+ (or (null rcnum)
+ (and (eq media-type 'application)
+ (or (eq media-subtype 'x-selection)
+ (and (eq media-subtype 'octet-stream)
+ (let ((entity-info
+ (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)))
+ (and (eq (mime-entity-info-media-type entity-info)
+ 'multipart)
+ (eq (mime-entity-info-media-subtype entity-info)
+ 'encrypted)
+ )))))
+ (mime-view-insert-entity-button
+ rcnum cinfo media-type media-subtype params subj encoding)
+ ))
;;; @@ content header filter
;;;
-(defun mime-preview/cut-header ()
+(defun mime-view-cut-header ()
(goto-char (point-min))
- (while (and
- (re-search-forward mime-view-ignored-field-regexp nil t)
- (let* ((beg (match-beginning 0))
- (end (match-end 0))
- (name (buffer-substring beg end))
- )
- (if (not (string-match mime-view-visible-field-regexp name))
- (delete-region
- beg
- (save-excursion
- (and
- (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
- (match-beginning 0)
- )))
+ (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)
)
- t)))
- )
+ (setq rest (cdr rest))))
+ (delete-region beg
+ (save-excursion
+ (if (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
+ (match-beginning 0)
+ (point-max))))
+ ))))
(defun mime-view-default-content-header-filter ()
- (mime-preview/cut-header)
+ (mime-view-cut-header)
(eword-decode-header)
)
;;;
(defvar mime-view-content-filter-alist
- '(("text/enriched" . mime-preview/filter-for-text/enriched)
- ("text/richtext" . mime-preview/filter-for-text/richtext)
- (t . mime-preview/filter-for-text/plain)
- ))
+ '(("text/enriched" . mime-view-filter-for-text/enriched)
+ ("text/richtext" . mime-view-filter-for-text/richtext)
+ (t . mime-view-filter-for-text/plain)
+ )
+ "Alist of media-types vs. corresponding MIME-View filter functions.
+Each element looks like (TYPE/SUBTYPE . FUNCTION) or (t . FUNCTION).
+TYPE/SUBTYPE is a string of media-type and FUNCTION is a filter
+function. t means default media-type.")
-;;; @@ content separator
+;;; @@ entity separator
;;;
-(defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
- (if (and (not (mime-view-header-visible-p rcnum cinfo ctype))
- (not (mime-view-body-visible-p rcnum cinfo ctype))
- )
+(defun mime-view-entity-separator-function (rcnum cinfo
+ media-type media-subtype
+ params subj)
+ "Insert entity separator conditionally.
+Please redefine this function if you want to change default setting."
+ (or (mime-view-header-visible-p rcnum cinfo)
+ (mime-view-body-visible-p rcnum cinfo media-type media-subtype)
(progn
(goto-char (point-max))
(insert "\n")
;;; @@@ in raw buffer
;;;
-(make-variable-buffer-local 'mime::article/content-info)
+(defvar mime-raw-content-info
+ "Information about structure of message.
+Please use reference function `mime::content-info/SLOT-NAME' to
+reference slot of content-info. Their argument is only content-info.
+
+Following is a list of slots of the structure:
+
+rcnum reversed content-number (list)
+point-min beginning point of region in raw-buffer
+point-max end point of region in raw-buffer
+type 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)
-(defvar mime::article/preview-buffer nil)
-(make-variable-buffer-local 'mime::article/preview-buffer)
+If a entity includes other entities in its body, such as multipart or
+message/rfc822, content-infos of other entities are included in
+`children', so content-info become a tree.")
+(make-variable-buffer-local 'mime-raw-content-info)
+
+(defvar mime-view-buffer nil
+ "MIME View buffer corresponding with the (raw) buffer.")
+(make-variable-buffer-local 'mime-view-buffer)
;;; @@@ in view buffer
;;;
-(make-variable-buffer-local 'mime::preview/mother-buffer)
-(make-variable-buffer-local 'mime::preview/content-list)
+(defvar mime-mother-buffer nil
+ "Mother buffer corresponding with the (MIME-View) buffer.
+If current MIME-View buffer is generated by other buffer, such as
+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-View) buffer.")
+(make-variable-buffer-local 'mime-raw-buffer)
-(defvar mime::preview/article-buffer nil)
-(make-variable-buffer-local 'mime::preview/article-buffer)
+(defvar mime-view-original-major-mode nil
+ "Major-mode in mime-raw-buffer.")
+(make-variable-buffer-local 'mime-view-original-major-mode)
-(make-variable-buffer-local 'mime::preview/original-major-mode)
(make-variable-buffer-local 'mime::preview/original-window-configuration)
;;;
(defvar mime-view-quitting-method-alist
- '((mime/show-message-mode
- . mime-view-quitting-method-for-mime/show-message-mode)))
+ '((mime-show-message-mode
+ . mime-view-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-view-show-summary-method nil)
+(defvar mime-view-show-summary-method nil
+ "Alist of major-mode vs. show-summary-method.")
;;; @@ following method
;;;
-(defvar mime-view-following-method-alist nil)
+(defvar mime-view-following-method-alist nil
+ "Alist of major-mode vs. following-method of mime-view.")
(defvar mime-view-following-required-fields-list
'("From"))
))))
-;;; @@ utility
-;;;
-
-(defun mime-preview/get-original-major-mode ()
- (if mime::preview/mother-buffer
- (save-excursion
- (set-buffer mime::preview/mother-buffer)
- (mime-preview/get-original-major-mode)
- )
- mime::preview/original-major-mode))
-
-
-;;; @ data structures
-;;;
-
-;;; @@ preview-content-info
-;;;
-
-(define-structure mime::preview-content-info
- point-min point-max buffer content-info)
-
-
;;; @ buffer setup
;;;
-(defun mime-view-setup-buffer (&optional ctl encoding ibuf obuf)
+(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::article/content-info (mime-parse-message ctl encoding))
+ (setq mime-raw-content-info (mime-parse-message ctl encoding))
)
- (let ((ret (mime-view-make-preview-buffer obuf)))
- (setq mime::article/preview-buffer (car ret))
- ret))
-
-(defun mime-view-make-preview-buffer (&optional obuf)
- (let* ((cinfo mime::article/content-info)
+ (let* ((cinfo mime-raw-content-info)
(pcl (mime/flatten-content-info cinfo))
- (dest (make-list (length pcl) nil))
(the-buf (current-buffer))
(mode major-mode)
)
(or obuf
(setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
(set-buffer (get-buffer-create obuf))
- (setq buffer-read-only nil)
- (widen)
- (erase-buffer)
- (setq mime::preview/article-buffer the-buf)
- (setq mime::preview/original-major-mode mode)
- (setq major-mode 'mime-view-mode)
- (setq mode-name "MIME-View")
- (let ((drest dest))
+ (let ((inhibit-read-only t))
+ ;;(setq buffer-read-only nil)
+ (widen)
+ (erase-buffer)
+ (setq mime-raw-buffer the-buf)
+ (setq mime-view-original-major-mode mode)
+ (setq major-mode 'mime-view-mode)
+ (setq mode-name "MIME-View")
(while pcl
- (setcar drest
- (mime-preview/display-content (car pcl) cinfo the-buf obuf))
- (setq pcl (cdr pcl)
- drest (cdr drest))
- ))
- (set-buffer-modified-p nil)
+ (mime-view-display-entity (car pcl) cinfo the-buf obuf)
+ (setq pcl (cdr pcl))
+ )
+ (set-buffer-modified-p nil)
+ )
(setq buffer-read-only t)
(set-buffer the-buf)
- (list obuf dest)
- ))
+ )
+ (setq mime-view-buffer obuf)
+ )
-(defun mime-preview/display-content (content cinfo ibuf obuf)
- (let* ((beg (mime::content-info/point-min content))
- (end (mime::content-info/point-max content))
- (ctype (mime::content-info/type content))
- (params (mime::content-info/parameters content))
- (encoding (mime::content-info/encoding content))
- (rcnum (mime::content-info/rcnum content))
+(defun mime-view-display-entity (content cinfo ibuf obuf)
+ "Display entity from content-info CONTENT."
+ (let* ((beg (mime-entity-info-point-min content))
+ (end (mime-entity-info-point-max content))
+ (media-type (mime-entity-info-media-type content))
+ (media-subtype (mime-entity-info-media-subtype content))
+ (ctype (if media-type
+ (if media-subtype
+ (format "%s/%s" media-type media-subtype)
+ (symbol-name media-type)
+ )))
+ (params (mime-entity-info-parameters content))
+ (encoding (mime-entity-info-encoding content))
+ (rcnum (mime-entity-info-rnum content))
he e nb ne subj)
(set-buffer ibuf)
(goto-char beg)
(set-buffer obuf)
(setq nb (point))
(narrow-to-region nb nb)
- (funcall mime-preview/content-button-function
- rcnum cinfo ctype params subj encoding)
- (if (mime-view-header-visible-p rcnum cinfo ctype)
- (mime-preview/display-header beg he)
+ (mime-view-entity-button-function
+ rcnum cinfo media-type media-subtype params subj encoding)
+ (if (mime-view-header-visible-p rcnum cinfo)
+ (mime-view-display-header beg he)
)
(if (and (null rcnum)
(member
ctype mime-view-content-button-visible-ctype-list))
(save-excursion
(goto-char (point-max))
- (mime-preview/insert-content-button
- rcnum cinfo ctype params subj encoding)
+ (mime-view-insert-entity-button
+ rcnum cinfo media-type media-subtype params subj encoding)
))
- (cond ((mime-view-body-visible-p rcnum cinfo ctype)
- (mime-preview/display-body he end
+ (cond ((mime-view-body-visible-p rcnum cinfo media-type media-subtype)
+ (mime-view-display-body he end
rcnum cinfo ctype params subj encoding)
)
- ((equal ctype "message/partial")
- (mime-preview/display-message/partial)
+ ((and (eq media-type 'message)(eq media-subtype 'partial))
+ (mime-view-insert-message/partial-button)
)
((and (null rcnum)
- (null (mime::content-info/children cinfo))
+ (null (mime-entity-info-children cinfo))
)
(goto-char (point-max))
- (mime-preview/insert-content-button
- rcnum cinfo ctype params subj encoding)
+ (mime-view-insert-entity-button
+ rcnum cinfo media-type media-subtype params subj encoding)
))
- (mime-preview/default-content-separator rcnum cinfo ctype params subj)
- (prog1
- (progn
- (setq ne (point-max))
- (widen)
- (mime::preview-content-info/create nb (1- ne) ibuf content)
- )
- (goto-char ne)
- )))
+ (mime-view-entity-separator-function
+ rcnum cinfo media-type media-subtype params subj)
+ (setq ne (point-max))
+ (widen)
+ (put-text-property nb ne 'mime-view-raw-buffer ibuf)
+ (put-text-property nb ne 'mime-view-cinfo content)
+ (goto-char ne)
+ ))
-(defun mime-preview/display-header (beg end)
+(defun mime-view-display-header (beg end)
(save-restriction
(narrow-to-region (point)(point))
- (insert-buffer-substring mime::preview/article-buffer beg end)
- (let ((f (cdr (assq mime::preview/original-major-mode
+ (insert-buffer-substring mime-raw-buffer beg end)
+ (let ((f (cdr (assq mime-view-original-major-mode
mime-view-content-header-filter-alist))))
(if (functionp f)
(funcall f)
(run-hooks 'mime-view-content-header-filter-hook)
))
-(defun mime-preview/display-body (beg end
- rcnum cinfo ctype params subj encoding)
+(defun mime-view-display-body (beg end rcnum cinfo ctype params subj encoding)
(save-restriction
(narrow-to-region (point-max)(point-max))
- (insert-buffer-substring mime::preview/article-buffer beg end)
+ (insert-buffer-substring mime-raw-buffer beg end)
(let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
(assq t mime-view-content-filter-alist)))))
(and (functionp f)
)
)))
-(defun mime-preview/display-message/partial ()
+(defun mime-view-insert-message/partial-button ()
(save-restriction
(goto-char (point-max))
(if (not (search-backward "\n\n" nil t))
(insert "\n")
)
- (let ((be (point-max)))
- (narrow-to-region be be)
- (insert mime-view-announcement-for-message/partial)
- (mime-add-button (point-min)(point-max)
- (function mime-view-play-content))
- )))
+ (goto-char (point-max))
+ (narrow-to-region (point-max)(point-max))
+ (insert mime-view-announcement-for-message/partial)
+ (mime-add-button (point-min)(point-max)
+ (function mime-view-play-current-entity))
+ ))
(defun mime-article/get-uu-filename (param &optional encoding)
(if (member (or encoding
""))
-;;; @ content information
+;;; @ entity information
;;;
(defun mime-article/point-content-number (p &optional cinfo)
(or cinfo
- (setq cinfo mime::article/content-info)
+ (setq cinfo mime-raw-content-info)
)
- (let ((b (mime::content-info/point-min cinfo))
- (e (mime::content-info/point-max cinfo))
- (c (mime::content-info/children cinfo))
+ (let ((b (mime-entity-info-point-min cinfo))
+ (e (mime-entity-info-point-max cinfo))
+ (c (mime-entity-info-children cinfo))
)
(if (and (<= b p)(<= p e))
(or (let (co ret (sn 0))
)))
t))))
-(defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
- (or cinfo
- (setq cinfo mime::article/content-info)
- )
- (find-if (function
- (lambda (ci)
- (equal (mime::content-info/rcnum ci) rcnum)
- ))
- (mime/flatten-content-info cinfo)
- ))
+(defsubst mime-article/rcnum-to-cinfo (rnum &optional cinfo)
+ (mime-article/cnum-to-cinfo (reverse rnum) cinfo)
+ )
(defun mime-article/cnum-to-cinfo (cn &optional cinfo)
(or cinfo
- (setq cinfo mime::article/content-info)
+ (setq cinfo mime-raw-content-info)
)
(if (eq cn t)
cinfo
(let ((sn (car cn)))
(if (null sn)
cinfo
- (let ((rc (nth sn (mime::content-info/children cinfo))))
+ (let ((rc (nth sn (mime-entity-info-children cinfo))))
(if rc
(mime-article/cnum-to-cinfo (cdr cn) rc)
))
(defun mime/flatten-content-info (&optional cinfo)
(or cinfo
- (setq cinfo mime::article/content-info)
+ (setq cinfo mime-raw-content-info)
)
(let ((dest (list cinfo))
- (rcl (mime::content-info/children cinfo))
+ (rcl (mime-entity-info-children cinfo))
)
(while rcl
(setq dest (nconc dest (mime/flatten-content-info (car rcl))))
)
dest))
-(defun mime-preview/point-pcinfo (p &optional pcl)
- (or pcl
- (setq pcl mime::preview/content-list)
- )
- (catch 'tag
- (let ((r pcl) cell)
- (while r
- (setq cell (car r))
- (if (and (<= (mime::preview-content-info/point-min cell) p)
- (<= p (mime::preview-content-info/point-max cell))
- )
- (throw 'tag cell)
- )
- (setq r (cdr r))
- ))
- (car (last pcl))
+
+;;; @@ predicate functions
+;;;
+
+(defun mime-view-header-visible-p (rcnum cinfo)
+ "Return non-nil if header of current entity is visible."
+ (or (null rcnum)
+ (member (mime-entity-info-type/subtype
+ (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo))
+ mime-view-childrens-header-showing-Content-Type-list)
+ ))
+
+(defun mime-view-body-visible-p (rcnum cinfo media-type media-subtype)
+ (let ((ctype (if media-type
+ (if media-subtype
+ (format "%s/%s" media-type media-subtype)
+ (symbol-name media-type)
+ ))))
+ (and (member ctype mime-view-visible-media-type-list)
+ (if (and (eq media-type 'application)
+ (eq media-subtype 'octet-stream))
+ (let ((ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo)))
+ (member (mime-entity-info-encoding ccinfo)
+ '(nil "7bit" "8bit"))
+ )
+ t))
))
(defconst mime-view-menu-title "MIME-View")
(defconst mime-view-menu-list
- '((up "Move to upper content" mime-view-up-content)
- (previous "Move to previous content" mime-view-previous-content)
- (next "Move to next content" mime-view-next-content)
- (scroll-down "Scroll to previous content" mime-view-scroll-down-content)
- (scroll-up "Scroll to next content" mime-view-scroll-up-content)
- (play "Play Content" mime-view-play-content)
- (extract "Extract Content" mime-view-extract-content)
- (print "Print" mime-view-print-content)
+ '((up "Move to upper content" mime-view-move-to-upper)
+ (previous "Move to previous content" mime-view-move-to-previous)
+ (next "Move to next content" mime-view-move-to-next)
+ (scroll-down "Scroll to previous content" mime-view-scroll-down-entity)
+ (scroll-up "Scroll to next content" mime-view-scroll-up-entity)
+ (play "Play Content" mime-view-play-current-entity)
+ (extract "Extract Content" mime-view-extract-current-entity)
+ (print "Print" mime-view-print-current-entity)
(x-face "Show X Face" mime-view-display-x-face)
)
"Menu for MIME Viewer")
(make-sparse-keymap)
)))
(define-key mime-view-mode-map
- "u" (function mime-view-up-content))
+ "u" (function mime-view-move-to-upper))
(define-key mime-view-mode-map
- "p" (function mime-view-previous-content))
+ "p" (function mime-view-move-to-previous))
(define-key mime-view-mode-map
- "n" (function mime-view-next-content))
+ "n" (function mime-view-move-to-next))
(define-key mime-view-mode-map
- "\e\t" (function mime-view-previous-content))
+ "\e\t" (function mime-view-move-to-previous))
(define-key mime-view-mode-map
- "\t" (function mime-view-next-content))
+ "\t" (function mime-view-move-to-next))
(define-key mime-view-mode-map
- " " (function mime-view-scroll-up-content))
+ " " (function mime-view-scroll-up-entity))
(define-key mime-view-mode-map
- "\M- " (function mime-view-scroll-down-content))
+ "\M- " (function mime-view-scroll-down-entity))
(define-key mime-view-mode-map
- "\177" (function mime-view-scroll-down-content))
+ "\177" (function mime-view-scroll-down-entity))
(define-key mime-view-mode-map
"\C-m" (function mime-view-next-line-content))
(define-key mime-view-mode-map
"\C-\M-m" (function mime-view-previous-line-content))
(define-key mime-view-mode-map
- "v" (function mime-view-play-content))
+ "v" (function mime-view-play-current-entity))
(define-key mime-view-mode-map
- "e" (function mime-view-extract-content))
+ "e" (function mime-view-extract-current-entity))
(define-key mime-view-mode-map
- "\C-c\C-p" (function mime-view-print-content))
+ "\C-c\C-p" (function mime-view-print-current-entity))
(define-key mime-view-mode-map
- "a" (function mime-view-follow-content))
+ "a" (function mime-view-follow-current-entity))
(define-key mime-view-mode-map
"q" (function mime-view-quit))
(define-key mime-view-mode-map
"h" (function mime-view-show-summary))
(define-key mime-view-mode-map
"\C-c\C-x" (function mime-view-kill-buffer))
+ ;; (define-key mime-view-mode-map
+ ;; "<" (function beginning-of-buffer))
+ ;; (define-key mime-view-mode-map
+ ;; ">" (function end-of-buffer))
(define-key mime-view-mode-map
- "<" (function beginning-of-buffer))
+ "?" (function describe-mode))
(define-key mime-view-mode-map
- ">" (function end-of-buffer))
+ [tab] (function mime-view-move-to-next))
(define-key mime-view-mode-map
- "?" (function describe-mode))
+ [delete] (function mime-view-scroll-down-entity))
+ (define-key mime-view-mode-map
+ [backspace] (function mime-view-scroll-down-entity))
(if (functionp default)
- (setq mime-view-mode-map
- (append mime-view-mode-map (list (cons t default)))
- ))
+ (cond (running-xemacs
+ (set-keymap-default-binding mime-view-mode-map default)
+ )
+ (t
+ (setq mime-view-mode-map
+ (append mime-view-mode-map (list (cons t default))))
+ )))
(if mouse-button-2
(define-key mime-view-mode-map
mouse-button-2 (function mime-button-dispatcher))
(run-hooks 'mime-view-define-keymap-hook)
))
+(defsubst mime-maybe-hide-echo-buffer ()
+ "Clear mime-echo buffer and delete window for it."
+ (let ((buf (get-buffer mime-echo-buffer-name)))
+ (if buf
+ (save-excursion
+ (set-buffer buf)
+ (erase-buffer)
+ (let ((win (get-buffer-window buf)))
+ (if win
+ (delete-window win)
+ ))
+ (bury-buffer buf)
+ ))))
+
(defun mime-view-mode (&optional mother ctl encoding ibuf obuf
default-keymap-or-function)
"Major mode for viewing MIME message.
and decode current content as `play mode'
"
(interactive)
- (let ((buf (get-buffer mime/output-buffer-name)))
- (if buf
- (save-excursion
- (set-buffer buf)
- (erase-buffer)
- )))
- (let ((ret (mime-view-setup-buffer ctl encoding ibuf obuf))
+ (mime-maybe-hide-echo-buffer)
+ (let ((ret (mime-view-setup-buffers ctl encoding ibuf obuf))
(win-conf (current-window-configuration))
)
(prog1
- (switch-to-buffer (car ret))
+ (switch-to-buffer ret)
(setq mime::preview/original-window-configuration win-conf)
(if mother
(progn
- (setq mime::preview/mother-buffer mother)
+ (setq mime-mother-buffer mother)
))
(mime-view-define-keymap default-keymap-or-function)
- (setq mime::preview/content-list (nth 1 ret))
- (goto-char
- (let ((ce (mime::preview-content-info/point-max
- (car mime::preview/content-list)
- ))
- e)
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (setq e (match-end 0))
- (if (<= e ce)
- e
- ce)))
+ (let ((point (next-single-property-change (point-min) 'mime-view-cinfo)))
+ (if point
+ (goto-char point)
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ ))
(run-hooks 'mime-view-mode-hook)
)))
-(defun mime-preview/point-content-number (point)
- (save-window-excursion
- (let ((pc (mime-preview/point-pcinfo (point)))
- cinfo)
- (switch-to-buffer (mime::preview-content-info/buffer pc))
- (setq cinfo (mime::preview-content-info/content-info pc))
- (mime-article/point-content-number (mime::content-info/point-min cinfo))
- )))
-(defun mime-preview/cinfo-to-pcinfo (cinfo)
- (let ((rpcl mime::preview/content-list) cell)
- (catch 'tag
- (while rpcl
- (setq cell (car rpcl))
- (if (eq cinfo (mime::preview-content-info/content-info cell))
- (throw 'tag cell)
- )
- (setq rpcl (cdr rpcl))
- ))))
-
-(autoload 'mime-preview/decode-content "mime-play")
+;;; @@ playing
+;;;
-(defvar mime-view-decoding-mode "play" "MIME body decoding mode")
+(autoload 'mime-view-play-current-entity "mime-play" "Play current entity." t)
-(defun mime-view-play-content ()
+(defun mime-view-extract-current-entity ()
+ "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)
- (let ((mime-view-decoding-mode "play"))
- (mime-preview/decode-content)
- ))
+ (mime-view-play-current-entity "extract")
+ )
-(defun mime-view-extract-content ()
+(defun mime-view-print-current-entity ()
+ "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)
- (let ((mime-view-decoding-mode "extract"))
- (mime-preview/decode-content)
- ))
+ (mime-view-play-current-entity "print")
+ )
-(defun mime-view-print-content ()
- (interactive)
- (let ((mime-view-decoding-mode "print"))
- (mime-preview/decode-content)
- ))
-(defun mime-view-follow-content ()
+;;; @@ following
+;;;
+
+(defun mime-view-get-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-view-get-original-major-mode)
+ )
+ mime-view-original-major-mode))
+
+(defun mime-view-follow-current-entity ()
+ "Write follow message to current entity.
+It calls following-method selected from variable
+`mime-view-following-method-alist'."
(interactive)
- (let ((root-cinfo
- (mime::preview-content-info/content-info
- (car mime::preview/content-list)))
- pc p-beg p-end cinfo rcnum)
- (let ((rest mime::preview/content-list)
- b e cell len rc)
- (if (catch 'tag
- (while (setq cell (car rest))
- (setq b (mime::preview-content-info/point-min cell)
- e (mime::preview-content-info/point-max cell))
- (setq rest (cdr rest))
- (if (and (<= b (point))(<= (point) e))
- (throw 'tag cell)
- )
- ))
- (progn
- (setq pc cell
- cinfo (mime::preview-content-info/content-info pc)
- rcnum (mime::content-info/rcnum cinfo))
- (setq len (length rcnum))
- (setq p-beg (mime::preview-content-info/point-min pc)
- p-end (mime::preview-content-info/point-max pc))
- (while (and (setq cell (car rest))
- (progn
- (setq rc
- (mime::content-info/rcnum
- (mime::preview-content-info/content-info
- cell)))
- (equal rcnum
- (nthcdr (- (length rc) len) rc))
- ))
- (setq p-end (mime::preview-content-info/point-max cell))
- (setq rest (cdr rest))
- ))))
- (if pc
- (let* ((mode (mime-preview/get-original-major-mode))
- (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
- new-buf
- (the-buf (current-buffer))
- (a-buf mime::preview/article-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 rcnum root-cinfo)
- (delete-region (goto-char (point-min))
- (if (re-search-forward "^$" nil t)
- (match-end 0)
- (point-min)))
- )
- (goto-char (point-min))
- (insert "\n")
- (goto-char (point-min))
- (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
- (while (progn
- (setq str
- (save-excursion
- (set-buffer a-buf)
- (setq ci (mime-article/rcnum-to-cinfo rcnum))
- (save-restriction
- (narrow-to-region
- (mime::content-info/point-min ci)
- (mime::content-info/point-max ci)
- )
- (std11-header-string-except
- (concat "^"
- (apply (function regexp-or) fields)
- ":") ""))))
- (if (string= (mime::content-info/type ci)
- "message/rfc822")
- nil
- (if str
- (insert str)
- )
- rcnum))
- (setq fields (std11-collect-field-names)
- rcnum (cdr rcnum))
- )
+ (let ((root-cinfo (get-text-property (point-min) 'mime-view-cinfo))
+ cinfo)
+ (while (null (setq cinfo (get-text-property (point) 'mime-view-cinfo)))
+ (backward-char)
+ )
+ (let* ((p-beg (previous-single-property-change (point) 'mime-view-cinfo))
+ p-end
+ (rcnum (mime-entity-info-rnum cinfo))
+ (len (length rcnum))
+ )
+ (cond ((null p-beg)
+ (setq p-beg
+ (if (eq (next-single-property-change (point-min)
+ 'mime-view-cinfo)
+ (point))
+ (point)
+ (point-min)))
+ )
+ ((eq (next-single-property-change p-beg 'mime-view-cinfo)
+ (point))
+ (setq p-beg (point))
+ ))
+ (setq p-end (next-single-property-change p-beg 'mime-view-cinfo))
+ (cond ((null p-end)
+ (setq p-end (point-max))
+ )
+ ((null rcnum)
+ (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-cinfo))
+ (goto-char e)
+ (let ((rc (mime-entity-info-rnum
+ (get-text-property (point)
+ 'mime-view-cinfo))))
+ (or (equal rcnum (nthcdr (- (length rc) len) rc))
+ (throw 'tag nil)
+ ))
+ (setq p-end e)
+ ))
+ (setq p-end (point-max))
+ ))
+ ))
+ (let* ((mode (mime-view-get-original-major-mode))
+ (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
+ 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 rcnum root-cinfo)
+ (delete-region (goto-char (point-min))
+ (if (re-search-forward "^$" nil t)
+ (match-end 0)
+ (point-min)))
+ )
+ (goto-char (point-min))
+ (insert "\n")
+ (goto-char (point-min))
+ (let ((rcnum (mime-entity-info-rnum cinfo)) ci str)
+ (while (progn
+ (setq str
+ (save-excursion
+ (set-buffer a-buf)
+ (setq ci (mime-article/rcnum-to-cinfo rcnum))
+ (save-restriction
+ (narrow-to-region
+ (mime-entity-info-point-min ci)
+ (mime-entity-info-point-max ci)
+ )
+ (std11-header-string-except
+ (concat "^"
+ (apply (function regexp-or) fields)
+ ":") ""))))
+ (if (and
+ (eq (mime-entity-info-media-type ci) 'message)
+ (eq (mime-entity-info-media-subtype ci) 'rfc822))
+ nil
+ (if str
+ (insert str)
+ )
+ rcnum))
+ (setq fields (std11-collect-field-names)
+ rcnum (cdr rcnum))
)
- (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::preview/mother-buffer)
- (set-buffer mime::preview/article-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))
+ (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))
+ ))
+ ))))
+
+
+;;; @@ X-Face
+;;;
(defun mime-view-display-x-face ()
(interactive)
(save-window-excursion
- (set-buffer mime::preview/article-buffer)
+ (set-buffer mime-raw-buffer)
(mime-view-x-face-function)
))
-(defun mime-view-up-content ()
+
+;;; @@ moving
+;;;
+
+(defun mime-view-move-to-upper ()
+ "Move to upper entity.
+If there is no upper entity, call function `mime-view-quit'."
(interactive)
- (let* ((pc (mime-preview/point-pcinfo (point)))
- (cinfo (mime::preview-content-info/content-info pc))
- (rcnum (mime::content-info/rcnum cinfo))
- )
- (if rcnum
- (let ((r (save-excursion
- (set-buffer (mime::preview-content-info/buffer pc))
- (mime-article/rcnum-to-cinfo (cdr rcnum))
- ))
- (rpcl mime::preview/content-list)
- cell)
- (while (and
- (setq cell (car rpcl))
- (not (eq r (mime::preview-content-info/content-info cell)))
- )
- (setq rpcl (cdr rpcl))
+ (let (cinfo)
+ (while (null (setq cinfo (get-text-property (point) 'mime-view-cinfo)))
+ (backward-char)
+ )
+ (let ((r (mime-article/rcnum-to-cinfo
+ (cdr (mime-entity-info-rnum cinfo))
+ (get-text-property 1 'mime-view-cinfo)))
+ point)
+ (catch 'tag
+ (while (setq point (previous-single-property-change
+ (point) 'mime-view-cinfo))
+ (goto-char point)
+ (if (eq r (get-text-property (point) 'mime-view-cinfo))
+ (throw 'tag t)
)
- (goto-char (mime::preview-content-info/point-min cell))
)
- (mime-view-quit)
- )))
+ (mime-view-quit)
+ ))))
-(defun mime-view-previous-content ()
+(defun mime-view-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'."
(interactive)
- (let* ((pcl mime::preview/content-list)
- (p (point))
- (i (- (length pcl) 1))
- beg)
- (catch 'tag
- (while (> i 0)
- (setq beg (mime::preview-content-info/point-min (nth i pcl)))
- (if (> p beg)
- (throw 'tag (goto-char beg))
- )
- (setq i (- i 1))
- )
- (let ((f (assq mime::preview/original-major-mode
+ (while (null (get-text-property (point) 'mime-view-cinfo))
+ (backward-char)
+ )
+ (let ((point (previous-single-property-change (point) 'mime-view-cinfo)))
+ (if point
+ (goto-char point)
+ (let ((f (assq mime-view-original-major-mode
mime-view-over-to-previous-method-alist)))
(if f
(funcall (cdr f))
))
- )
- ))
+ )))
-(defun mime-view-next-content ()
+(defun mime-view-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'."
(interactive)
- (let ((pcl mime::preview/content-list)
- (p (point))
- beg)
- (catch 'tag
- (while pcl
- (setq beg (mime::preview-content-info/point-min (car pcl)))
- (if (< p beg)
- (throw 'tag (goto-char beg))
- )
- (setq pcl (cdr pcl))
- )
- (let ((f (assq mime::preview/original-major-mode
+ (let ((point (next-single-property-change (point) 'mime-view-cinfo)))
+ (if point
+ (goto-char point)
+ (let ((f (assq mime-view-original-major-mode
mime-view-over-to-next-method-alist)))
(if f
(funcall (cdr f))
))
- )
- ))
+ )))
-(defun mime-view-scroll-up-content (&optional h)
+(defun mime-view-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'."
(interactive)
(or h
- (setq h (- (window-height) 1))
+ (setq h (1- (window-height)))
)
(if (= (point) (point-max))
- (let ((f (assq mime::preview/original-major-mode
+ (let ((f (assq mime-view-original-major-mode
mime-view-over-to-next-method-alist)))
(if f
(funcall (cdr f))
))
- (let ((pcl mime::preview/content-list)
- (p (point))
- np beg)
- (setq np
- (or (catch 'tag
- (while pcl
- (setq beg (mime::preview-content-info/point-min (car pcl)))
- (if (< p beg)
- (throw 'tag beg)
- )
- (setq pcl (cdr pcl))
- ))
- (point-max)))
+ (let ((point
+ (or (next-single-property-change (point) 'mime-view-cinfo)
+ (point-max))))
(forward-line h)
- (if (> (point) np)
- (goto-char np)
+ (if (> (point) point)
+ (goto-char point)
)
- ;;(show-subtree)
- ))
- )
+ )))
-(defun mime-view-scroll-down-content (&optional h)
+(defun mime-view-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 (- (window-height) 1))
+ (setq h (1- (window-height)))
)
(if (= (point) (point-min))
- (let ((f (assq mime::preview/original-major-mode
+ (let ((f (assq mime-view-original-major-mode
mime-view-over-to-previous-method-alist)))
(if f
(funcall (cdr f))
))
- (let ((pcl mime::preview/content-list)
- (p (point))
- pp beg)
- (setq pp
- (or (let ((i (- (length pcl) 1)))
- (catch 'tag
- (while (> i 0)
- (setq beg (mime::preview-content-info/point-min
- (nth i pcl)))
- (if (> p beg)
- (throw 'tag beg)
- )
- (setq i (- i 1))
- )))
- (point-min)))
+ (let (point)
+ (save-excursion
+ (catch 'tag
+ (while (> (point) 1)
+ (if (setq point
+ (previous-single-property-change (point)
+ 'mime-view-cinfo))
+ (throw 'tag t)
+ )
+ (backward-char)
+ )
+ (setq point (point-min))
+ ))
(forward-line (- h))
- (if (< (point) pp)
- (goto-char pp)
- )))
- )
+ (if (< (point) point)
+ (goto-char point)
+ ))))
(defun mime-view-next-line-content ()
(interactive)
- (mime-view-scroll-up-content 1)
+ (mime-view-scroll-up-entity 1)
)
(defun mime-view-previous-line-content ()
(interactive)
- (mime-view-scroll-down-content 1)
+ (mime-view-scroll-down-entity 1)
)
+
+;;; @@ quitting
+;;;
+
(defun mime-view-quit ()
+ "Quit from MIME-View buffer.
+It calls function registered in variable
+`mime-view-quitting-method-alist'."
(interactive)
- (let ((r (save-excursion
- (set-buffer (mime::preview-content-info/buffer
- (mime-preview/point-pcinfo (point))))
- (assq major-mode mime-view-quitting-method-alist)
- )))
+ (let ((r (assq mime-view-original-major-mode
+ mime-view-quitting-method-alist)))
(if r
(funcall (cdr r))
)))
(defun mime-view-show-summary ()
+ "Show summary.
+It calls function registered in variable
+`mime-view-show-summary-method'."
(interactive)
- (let ((r (save-excursion
- (set-buffer
- (mime::preview-content-info/buffer
- (mime-preview/point-pcinfo (point)))
- )
- (assq major-mode mime-view-show-summary-method)
- )))
+ (let ((r (assq mime-view-original-major-mode
+ mime-view-show-summary-method)))
(if r
(funcall (cdr r))
)))