--- /dev/null
+;;; mime-view.el --- interactive MIME viewer for GNU Emacs
+
+;; Copyright (C) 1995,1996,1997 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: 0.0 $
+;; Keywords: MIME, multimedia, mail, news
+
+;; This file is part of SEMI (SEMI is 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
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(require 'tl-str)
+(require 'tl-list)
+(require 'tl-atype)
+(require 'tl-misc)
+(require 'std11)
+(require 'mel)
+(require 'tm-ew-d)
+(require 'tm-def)
+(require 'tm-parse)
+(require 'tm-text)
+
+
+;;; @ version
+;;;
+
+(defconst mime-view-RCS-ID
+ "$Id: mime-view.el,v 0.0 1997-02-20 08:53:12 tmorioka Exp $")
+
+(defconst mime-view-version (get-version-string mime-view-RCS-ID))
+
+
+;;; @ variables
+;;;
+
+(defvar mime/content-decoding-condition
+ '(((type . "text/plain")
+ (method "tm-plain" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+ ((type . "text/html")
+ (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
+ (mode . "play")
+ )
+ ((type . "text/x-rot13-47")
+ (method . mime-article/decode-caesar)
+ (mode . "play")
+ )
+ ((type . "audio/basic")
+ (method "tm-au" nil 'file 'type 'encoding 'mode 'name)
+ (mode . "play")
+ )
+
+ ((type . "image/jpeg")
+ (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+ ((type . "image/gif")
+ (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")
+ )
+ ((type . "image/x-tiff")
+ (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+ ((type . "image/x-xbm")
+ (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+ ((type . "image/x-pic")
+ (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+ ((type . "image/x-mag")
+ (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+
+ ((type . "video/mpeg")
+ (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name)
+ (mode . "play")
+ )
+
+ ((type . "application/postscript")
+ (method "tm-ps" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+ ((type . "application/octet-stream")
+ (method "tm-file" nil 'file 'type 'encoding 'mode 'name)
+ (mode "play" "print")
+ )
+
+ ;;((type . "message/external-body")
+ ;; (method "xterm" nil
+ ;; "-e" "showexternal"
+ ;; 'file '"access-type" '"name" '"site" '"directory"))
+ ((type . "message/rfc822")
+ (method . mime-article/view-message/rfc822)
+ (mode . "play")
+ )
+ ((type . "message/partial")
+ (method . mime-article/decode-message/partial)
+ (mode . "play")
+ )
+
+ ((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
+ (mode . "play")
+ )
+ ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
+ (mode . "extract")
+ )
+ ))
+
+(defvar mime-view-childrens-header-showing-Content-Type-list
+ '("message/rfc822" "message/news"))
+
+(defvar mime-view-default-showing-Content-Type-list
+ '("text/plain" nil "text/richtext" "text/enriched"
+ "text/x-latex" "application/x-latex"
+ "message/delivery-status"
+ "application/pgp" "text/x-pgp"
+ "application/octet-stream"
+ "application/x-selection" "application/x-comment"))
+
+(defvar mime-view-content-button-ignored-ctype-list
+ '("application/x-selection"))
+
+(defvar mime-view-content-button-visible-ctype-list
+ '("application/pgp"))
+
+(defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
+
+(defvar mime-view-ignored-field-list
+ '(".*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. [mime-view.el]")
+
+(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")
+ "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)
+ ":"))
+
+(defvar mime-view-redisplay nil)
+
+(defvar mime-view-announcement-for-message/partial
+ (if (and (>= emacs-major-version 19) window-system)
+ "\
+\[[ This is message/partial style split message. ]]
+\[[ Please press `v' key in this buffer ]]
+\[[ or click here by mouse button-2. ]]"
+ "\
+\[[ This is message/partial style split message. ]]
+\[[ Please press `v' key in this buffer. ]]"
+ ))
+
+
+;;; @@ predicate functions
+;;;
+
+(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-default-showing-Content-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 (assoc-value "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 (assoc-value "site" params))
+ (dir (assoc-value "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)
+ ))))
+ (tm: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)
+ ))
+
+(defvar mime-preview/content-button-function
+ (function mime-preview/default-content-button-function))
+
+
+;;; @@ content header filter
+;;;
+
+(defun mime-preview/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)
+ )))
+ )
+ t)))
+ )
+
+(defun mime-view-default-content-header-filter ()
+ (mime-preview/cut-header)
+ (mime/decode-message-header)
+ )
+
+(defvar mime-view-content-header-filter-alist nil)
+
+
+;;; @@ content filter
+;;;
+
+(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)
+ ))
+
+
+;;; @@ content 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))
+ )
+ (progn
+ (goto-char (point-max))
+ (insert "\n")
+ )))
+
+
+;;; @@ buffer local variables
+;;;
+
+;; for XEmacs
+(defvar mime::article/preview-buffer nil)
+(defvar mime::article/code-converter nil)
+(defvar mime::preview/article-buffer nil)
+
+(make-variable-buffer-local 'mime::article/content-info)
+(make-variable-buffer-local 'mime::article/preview-buffer)
+(make-variable-buffer-local 'mime::article/code-converter)
+
+(make-variable-buffer-local 'mime::preview/mother-buffer)
+(make-variable-buffer-local 'mime::preview/content-list)
+(make-variable-buffer-local 'mime::preview/article-buffer)
+(make-variable-buffer-local 'mime::preview/original-major-mode)
+(make-variable-buffer-local 'mime::preview/original-window-configuration)
+
+
+;;; @@ quitting method
+;;;
+
+(defvar mime-view-quitting-method-alist
+ '((mime/show-message-mode
+ . mime-view-quitting-method-for-mime/show-message-mode)))
+
+(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)
+
+
+;;; @@ following method
+;;;
+
+(defvar mime-view-following-method-alist nil)
+
+(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)
+ ))))
+
+
+;;; @@ 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)
+ (if ibuf
+ (progn
+ (get-buffer ibuf)
+ (set-buffer ibuf)
+ ))
+ (or mime-view-redisplay
+ (setq mime::article/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)
+ (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/viewer-mode)
+ (setq mode-name "MIME-View")
+ (let ((drest dest))
+ (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)
+ (setq buffer-read-only t)
+ (set-buffer the-buf)
+ (list obuf dest)
+ ))
+
+(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))
+ he e nb ne subj)
+ (set-buffer ibuf)
+ (goto-char beg)
+ (setq he (if (re-search-forward "^$" nil t)
+ (1+ (match-end 0))
+ end))
+ (if (> he end)
+ (setq he end)
+ )
+ (save-restriction
+ (narrow-to-region beg end)
+ (setq subj
+ (mime-eword/decode-string
+ (mime-article/get-subject params encoding)))
+ )
+ (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)
+ )
+ (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)
+ ))
+ (cond ((mime-view-body-visible-p rcnum cinfo ctype)
+ (mime-preview/display-body he end
+ rcnum cinfo ctype params subj encoding)
+ )
+ ((equal ctype "message/partial")
+ (mime-preview/display-message/partial)
+ )
+ ((and (null rcnum)
+ (null (mime::content-info/children cinfo))
+ )
+ (goto-char (point-max))
+ (mime-preview/insert-content-button
+ rcnum cinfo ctype 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)
+ )))
+
+(defun mime-preview/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
+ 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)
+ ))
+
+(defun mime-preview/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)
+ (let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
+ (assq t mime-view-content-filter-alist)))))
+ (and (functionp f)
+ (funcall f ctype params encoding)
+ )
+ )))
+
+(defun mime-preview/display-message/partial ()
+ (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)
+ (tm:add-button (point-min)(point-max)
+ (function mime-view-play-content))
+ )))
+
+(defun mime-article/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-article/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-article/get-uu-filename param encoding)
+ ""))
+
+
+;;; @ content information
+;;;
+
+(defun mime-article/point-content-number (p &optional cinfo)
+ (or cinfo
+ (setq cinfo mime::article/content-info)
+ )
+ (let ((b (mime::content-info/point-min cinfo))
+ (e (mime::content-info/point-max cinfo))
+ (c (mime::content-info/children cinfo))
+ )
+ (if (and (<= b p)(<= p e))
+ (or (let (co ret (sn 0))
+ (catch 'tag
+ (while c
+ (setq co (car c))
+ (setq ret (mime-article/point-content-number p co))
+ (cond ((eq ret t) (throw 'tag (list sn)))
+ (ret (throw 'tag (cons sn ret)))
+ )
+ (setq c (cdr c))
+ (setq sn (1+ sn))
+ )))
+ 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)
+ ))
+
+(defun mime-article/cnum-to-cinfo (cn &optional cinfo)
+ (or cinfo
+ (setq cinfo mime::article/content-info)
+ )
+ (if (eq cn t)
+ cinfo
+ (let ((sn (car cn)))
+ (if (null sn)
+ cinfo
+ (let ((rc (nth sn (mime::content-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)
+ )
+ (let ((dest (list cinfo))
+ (rcl (mime::content-info/children cinfo))
+ )
+ (while rcl
+ (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
+ (setq rcl (cdr 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))
+ ))
+
+
+;;; @ MIME viewer mode
+;;;
+
+(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)
+ (x-face "Show X Face" mime-view-display-x-face)
+ )
+ "Menu for MIME Viewer")
+
+(if running-xemacs
+ (progn
+ (defvar mime-view-xemacs-popup-menu
+ (cons mime-view-menu-title
+ (mapcar (function
+ (lambda (item)
+ (vector (nth 1 item)(nth 2 item) t)
+ ))
+ mime-view-menu-list)))
+ (defun mime-view-xemacs-popup-menu (event)
+ "Popup the menu in the MIME Viewer buffer"
+ (interactive "e")
+ (select-window (event-window event))
+ (set-buffer (event-buffer event))
+ (popup-menu 'mime-view-xemacs-popup-menu))
+ ))
+
+(defun mime-view-define-keymap (&optional mother default-function)
+ (let ((mime/viewer-mode-map (if mother
+ (copy-keymap mother)
+ (make-sparse-keymap)
+ )))
+ (or mother default-function
+ (suppress-keymap mime/viewer-mode-map))
+ (define-key mime/viewer-mode-map
+ "u" (function mime-view-up-content))
+ (define-key mime/viewer-mode-map
+ "p" (function mime-view-previous-content))
+ (define-key mime/viewer-mode-map
+ "n" (function mime-view-next-content))
+ (define-key mime/viewer-mode-map
+ "\e\t" (function mime-view-previous-content))
+ (define-key mime/viewer-mode-map
+ "\t" (function mime-view-next-content))
+ (define-key mime/viewer-mode-map
+ " " (function mime-view-scroll-up-content))
+ (define-key mime/viewer-mode-map
+ "\M- " (function mime-view-scroll-down-content))
+ (define-key mime/viewer-mode-map
+ "\177" (function mime-view-scroll-down-content))
+ (define-key mime/viewer-mode-map
+ "\C-m" (function mime-view-next-line-content))
+ (define-key mime/viewer-mode-map
+ "\C-\M-m" (function mime-view-previous-line-content))
+ (define-key mime/viewer-mode-map
+ "v" (function mime-view-play-content))
+ (define-key mime/viewer-mode-map
+ "e" (function mime-view-extract-content))
+ (define-key mime/viewer-mode-map
+ "\C-c\C-p" (function mime-view-print-content))
+ (define-key mime/viewer-mode-map
+ "x" (function mime-view-display-x-face))
+ (define-key mime/viewer-mode-map
+ "a" (function mime-view-follow-content))
+ (define-key mime/viewer-mode-map
+ "q" (function mime-view-quit))
+ (define-key mime/viewer-mode-map
+ "h" (function mime-view-show-summary))
+ (define-key mime/viewer-mode-map
+ "\C-c\C-x" (function mime-view-kill-buffer))
+ (define-key mime/viewer-mode-map
+ "<" (function beginning-of-buffer))
+ (define-key mime/viewer-mode-map
+ ">" (function end-of-buffer))
+ (define-key mime/viewer-mode-map
+ "?" (function describe-mode))
+ (if default-function
+ (setq mime/viewer-mode-map
+ (append mime/viewer-mode-map
+ (list (cons t default-function))
+ )))
+ (if mouse-button-2
+ (define-key mime/viewer-mode-map
+ mouse-button-2 (function tm:button-dispatcher))
+ )
+ (cond (running-xemacs
+ (define-key mime/viewer-mode-map
+ mouse-button-3 (function mime-view-xemacs-popup-menu))
+ )
+ ((>= emacs-major-version 19)
+ (define-key mime/viewer-mode-map [menu-bar mime-view]
+ (cons mime-view-menu-title
+ (make-sparse-keymap mime-view-menu-title)))
+ (mapcar (function
+ (lambda (item)
+ (define-key mime/viewer-mode-map
+ (vector 'menu-bar 'mime-view (car item))
+ (cons (nth 1 item)(nth 2 item))
+ )
+ ))
+ (reverse mime-view-menu-list)
+ )
+ ))
+ (use-local-map mime/viewer-mode-map)
+ (run-hooks 'mime-view-define-keymap-hook)
+ ))
+
+(defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf
+ mother-keymap default-function)
+ "Major mode for viewing MIME message.
+
+Here is a list of the standard keys for mime/viewer-mode.
+
+key feature
+--- -------
+
+u Move to upper content
+p or M-TAB Move to previous content
+n or TAB Move to next content
+SPC Scroll up or move to next content
+M-SPC or DEL Scroll down or move to previous content
+RET Move to next line
+M-RET Move to previous line
+v Decode current content as `play mode'
+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)
+ (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))
+ (win-conf (current-window-configuration))
+ )
+ (prog1
+ (switch-to-buffer (car ret))
+ (setq mime::preview/original-window-configuration win-conf)
+ (if mother
+ (progn
+ (setq mime::preview/mother-buffer mother)
+ ))
+ (mime-view-define-keymap mother-keymap default-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)))
+ (run-hooks 'mime/viewer-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 "tm-play")
+
+(defvar mime-view-decoding-mode "play" "MIME body decoding mode")
+
+(defun mime-view-play-content ()
+ (interactive)
+ (let ((mime-view-decoding-mode "play"))
+ (mime-preview/decode-content)
+ ))
+
+(defun mime-view-extract-content ()
+ (interactive)
+ (let ((mime-view-decoding-mode "extract"))
+ (mime-preview/decode-content)
+ ))
+
+(defun mime-view-print-content ()
+ (interactive)
+ (let ((mime-view-decoding-mode "print"))
+ (mime-preview/decode-content)
+ ))
+
+(defun mime-view-follow-content ()
+ (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)
+ (hb (mime::content-info/point-min cinfo))
+ (he (mime::content-info/point-max cinfo))
+ fields from to cc reply-to subj mid f)
+ (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-equal (mime::content-info/type ci)
+ "message/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))
+ ))
+ (mime/decode-message-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))
+ ))
+ ))))
+
+(defun mime-view-display-x-face ()
+ (interactive)
+ (save-window-excursion
+ (set-buffer mime::preview/article-buffer)
+ (mime-view-x-face-function)
+ ))
+
+(defun mime-view-up-content ()
+ (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))
+ )
+ (goto-char (mime::preview-content-info/point-min cell))
+ )
+ (mime-view-quit)
+ )))
+
+(defun mime-view-previous-content ()
+ (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
+ mime-view-over-to-previous-method-alist)))
+ (if f
+ (funcall (cdr f))
+ ))
+ )
+ ))
+
+(defun mime-view-next-content ()
+ (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
+ mime-view-over-to-next-method-alist)))
+ (if f
+ (funcall (cdr f))
+ ))
+ )
+ ))
+
+(defun mime-view-scroll-up-content (&optional h)
+ (interactive)
+ (or h
+ (setq h (- (window-height) 1))
+ )
+ (if (= (point) (point-max))
+ (let ((f (assq mime::preview/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)))
+ (forward-line h)
+ (if (> (point) np)
+ (goto-char np)
+ )
+ ;;(show-subtree)
+ ))
+ )
+
+(defun mime-view-scroll-down-content (&optional h)
+ (interactive)
+ (or h
+ (setq h (- (window-height) 1))
+ )
+ (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 ((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)))
+ (forward-line (- h))
+ (if (< (point) pp)
+ (goto-char pp)
+ )))
+ )
+
+(defun mime-view-next-line-content ()
+ (interactive)
+ (mime-view-scroll-up-content 1)
+ )
+
+(defun mime-view-previous-line-content ()
+ (interactive)
+ (mime-view-scroll-down-content 1)
+ )
+
+(defun mime-view-quit ()
+ (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)
+ )))
+ (if r
+ (funcall (cdr r))
+ )))
+
+(defun mime-view-show-summary ()
+ (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)
+ )))
+ (if r
+ (funcall (cdr r))
+ )))
+
+(defun mime-view-kill-buffer ()
+ (interactive)
+ (kill-buffer (current-buffer))
+ )
+
+
+;;; @ end
+;;;
+
+(provide 'mime-view)
+
+(run-hooks 'mime-view-load-hook)
+
+;;; mime-view.el ends here
projects / elisp / semi.git / commitdiff