;;;
-;;; A MIME viewer for GNU Emacs
+;;; tm-view.el --- interactive MIME viewer for GNU Emacs
;;;
-;;; by Morioka Tomohiko, 1994/07/13
-;;;
-
-;;; @ require modules
+;;; Copyright (C) 1995 Free Software Foundation, Inc.
+;;; Copyright (C) 1994,1995 MORIOKA Tomohiko
+;;;
+;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;; modified by Steven L. Baur <steve@miranova.com>
+;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;; Created: 1994/7/13 (1994/8/31 obsolete tm-body.el)
+;;; Version: $Revision: 7.32.1.2 $
+;;; Keywords: mail, news, MIME, multimedia
+;;;
+;;; This file is part of tm (Tools for MIME).
+;;;
+;;; 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 This program. If not, write to the Free Software
+;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;;
+;;; Code:
(require 'tl-str)
(require 'tl-list)
(require 'tl-atype)
(require 'tl-misc)
-(require 'tl-header)
+(require 'tl-822)
(require 'mel)
-(require 'tiny-mime)
-(require 'tm-misc)
+(require 'tm-ew-d)
+(require 'tm-def)
+(require 'tm-parse)
;;; @ version
;;;
(defconst mime-viewer/RCS-ID
- "$Id: tm-view.el,v 6.71 1995/08/03 21:21:16 morioka Exp $")
+ "$Id: tm-view.el,v 7.32.1.2 1995/12/10 20:29:06 morioka Exp $")
(defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
(defconst mime/viewer-version mime-viewer/version)
-;;; @ constants
-;;;
-
-(defconst mime/tspecials "\000-\040()<>@,;:\\\"/[\093?.=")
-(defconst mime/token-regexp
- (concat "[^" mime/tspecials "]*"))
-(defconst mime/content-type-subtype-regexp
- (concat mime/token-regexp "/" mime/token-regexp))
-(defconst mime/content-parameter-value-regexp
- (concat "\\("
- message/quoted-string-regexp
- "\\|[^; \t\n]*\\)"))
-
-(defconst mime/output-buffer-name "*MIME-out*")
-(defconst mime/decoding-buffer-name "*MIME-decoding*")
-
-
;;; @ variables
;;;
(defvar mime/content-decoding-condition
'(((type . "text/plain")
(method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
- ;;((type . "text/x-latex")
- ;; (method "tm-latex" nil 'file 'type 'encoding 'mode 'name))
+ ((type . "text/html")
+ (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
+ (mode . "play"))
+ ((type . "text/x-rot13-47")
+ (method . mime-article/decode-caesar))
+
((type . "audio/basic")
(method "tm-au" nil 'file 'type 'encoding 'mode 'name))
+
((type . "image/gif")
(method "tm-image" nil 'file 'type 'encoding 'mode 'name))
((type . "image/jpeg")
(method "tm-image" nil 'file 'type 'encoding 'mode 'name))
((type . "image/x-pic")
(method "tm-image" nil 'file 'type 'encoding 'mode 'name))
+
((type . "video/mpeg")
(method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
+
((type . "application/octet-stream")
(method "tm-file" nil 'file 'type 'encoding 'mode 'name))
+
;;((type . "message/external-body")
;; (method "xterm" nil
;; "-e" "showexternal"
;; 'file '"access-type" '"name" '"site" '"directory"))
- ((type . "message/partial")
- (method . mime/decode-message/partial-region))
((type . "message/rfc822")
- (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
+ (method . mime-article/view-message/rfc822))
+ ((type . "message/partial")
+ (method . mime-article/decode-message/partial))
+
((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-viewer/childrens-header-showing-Content-Type-list
- '("message/rfc822"))
+ '("message/rfc822" "message/news"))
(defvar mime-viewer/default-showing-Content-Type-list
'("text/plain" "text/richtext" "text/enriched"
"text/x-latex" "application/x-latex"
"application/octet-stream" nil
+ "application/pgp"
"application/x-selection" "application/x-comment"))
(defvar mime-viewer/content-subject-omitting-Content-Type-list
'("application/x-selection"))
+(defvar mime-viewer/content-subject-showing-Content-Type-list
+ '("application/pgp"))
+
(defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
(defvar mime-viewer/ignored-field-list
- '("Received" "Return-Path" "Replied" "Errors-To"
+ '(".*Received" "Return-Path" "Replied" "Errors-To"
"Lines" "Sender" "Path" "Nntp-Posting-Host"
- "Content-Type" "Precedence"))
+ "Content-Type" "Precedence" "X-Face"
+ "Status" "X-VM-.*")
+ "All fields that match this list will be hidden in MIME preview buffer.
+Each elements are regexp of field-name. [tm-view.el]")
-(defvar mime-viewer/ignored-field-regexp)
-
-(defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
-
-(defvar mime-viewer/file-name-char-regexp "[A-Za-z0-9+_-]")
-
-(defvar mime-viewer/file-name-regexp-1
- (concat mime-viewer/file-name-char-regexp "+\\."
- mime-viewer/file-name-char-regexp "+"))
-
-(defvar mime-viewer/file-name-regexp-2
- (concat (regexp-* mime-viewer/file-name-char-regexp)
- "\\(\\." mime-viewer/file-name-char-regexp "+\\)*"))
+(defvar mime-viewer/ignored-field-regexp
+ (concat "^"
+ (apply (function regexp-or) mime-viewer/ignored-field-list)
+ ":"))
(defvar mime-viewer/announcement-for-message/partial
- "[[ This is message/partial style split message. ]]
-[[ Please press `v' key in this buffer. ]]")
+ (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-viewer/header-visible-p (cnum cinfo &optional ctype)
- (or (eq cnum t)
+(defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
+ (or (null rcnum)
(progn
(setq ctype
(mime::content-info/type
- (mime-article/cnum-to-cinfo (butlast cnum) cinfo)
+ (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
))
(member ctype mime-viewer/childrens-header-showing-Content-Type-list)
)))
-(defun mime-viewer/body-visible-p (cnum cinfo &optional ctype)
+(defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
(let (ccinfo)
(or ctype
(setq ctype
(mime::content-info/type
- (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
+ (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
))
)
(and (member ctype mime-viewer/default-showing-Content-Type-list)
(if (string-equal ctype "application/octet-stream")
(progn
(or ccinfo
- (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
+ (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
)
(member (mime::content-info/encoding ccinfo)
'(nil "7bit" "8bit"))
;;; @@ content subject
;;;
+(defun mime-viewer/insert-content-subject
+ (rcnum cinfo ctype params subj)
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert
+ (let ((access-type (assoc "access-type" params))
+ (num (or (assoc-value "x-part-number" params)
+ (if (consp rcnum)
+ (mapconcat (function
+ (lambda (num)
+ (format "%s" (1+ num))
+ ))
+ (reverse rcnum) ".")
+ "0"))
+ ))
+ (if access-type
+ (let ((server (assoc "server" params)))
+ (setq access-type (cdr access-type))
+ (if server
+ (format "[%s %s ([%s] %s)]\n" num subj
+ access-type (cdr server))
+ (let ((site (assoc-value "site" params))
+ (dir (assoc-value "directory" params))
+ )
+ (format "[%s %s ([%s] %s:%s)]\n" num subj
+ access-type site dir)
+ )))
+ (format "[%s %s (%s)]\n" num subj ctype)
+ )))
+ (tm:add-button (point-min)(1- (point-max))
+ (function mime-viewer/play-content))
+ ))
+
(defun mime-viewer/default-content-subject-function
- (cnum cinfo ctype params subj)
- (if (and (listp cnum)
+ (rcnum cinfo ctype params subj)
+ (if (and (consp rcnum)
(not (member
ctype
- mime-viewer/content-subject-omitting-Content-Type-list))
- )
- (insert
- (let ((access-type (assoc "access-type" params))
- (num (or (assoc-value "x-part-number" params)
- (if (listp cnum)
- (mapconcat (function
- (lambda (num)
- (format "%s" (+ num 1))
- ))
- cnum ".")
- "0"))
- ))
- (if access-type
- (let ((server (assoc "server" params)))
- (setq access-type (cdr access-type))
- (if server
- (format "[%s %s ([%s] %s)]\n" num subj
- access-type (cdr server))
- (let ((site (assoc-value "site" params))
- (dir (assoc-value "directory" params))
- )
- (format "[%s %s ([%s] %s:%s)]\n" num subj
- access-type site dir)
- )))
- (format "[%s %s (%s)]\n" num subj ctype)
- )))))
+ mime-viewer/content-subject-omitting-Content-Type-list)))
+ (mime-viewer/insert-content-subject
+ rcnum cinfo ctype params subj)
+ ))
(defvar mime-viewer/content-subject-function
(function mime-viewer/default-content-subject-function))
-;;; @ content header filter
+;;; @@ content header filter
;;;
(defun mime-viewer/default-content-header-filter ()
(goto-char (point-min))
- (while (and (re-search-forward
- (concat "^" mime-viewer/ignored-field-regexp ":")
- nil t)
+ (while (and (re-search-forward mime-viewer/ignored-field-regexp nil t)
(progn
(delete-region
(match-beginning 0)
;;;
(defvar mime-viewer/content-filter-alist
- '(("text/plain" . mime-viewer/filter-text/plain)
+ '(("text/plain" . mime-viewer/filter-text/plain)
+ ("application/pgp" . mime-viewer/filter-text/plain)
(nil . mime-viewer/filter-text/plain)))
-(defun mime-viewer/default-content-filter (cnum cinfo ctype params subj)
+(defun mime-viewer/default-content-filter (rcnum cinfo ctype params subj)
)
;;; @@ content separator
;;;
-(defun mime-viewer/default-content-separator (cnum cinfo ctype params subj)
- (if (and (not (mime-viewer/header-visible-p cnum cinfo ctype))
- (not (mime-viewer/body-visible-p cnum cinfo ctype))
+(defun mime-viewer/default-content-separator (rcnum cinfo ctype params subj)
+ (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
+ (not (mime-viewer/body-visible-p rcnum cinfo ctype))
)
(progn
(goto-char (point-max))
;;; @@ buffer local variables
;;;
-(defvar mime::article/content-info nil)
+;; for XEmacs
(defvar mime::article/preview-buffer nil)
+(defvar mime::article/code-converter nil)
-(defvar mime::preview/article-buffer nil)
-(defvar mime::preview/content-list nil)
-(defvar mime::preview/original-major-mode 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
-;;;
-(defun mime::viewer/quitting-method-for-gnus4 ()
- (mime-viewer/kill-buffer)
- (delete-other-windows)
- (gnus-article-show-summary)
- (if (null gnus-have-all-headers)
- (gnus-summary-select-article nil t)
- ))
+;;; @@ quitting method
+;;;
(defvar mime-viewer/quitting-method-alist
- '((gnus-article-mode . mime::viewer/quitting-method-for-gnus4)
- (mime/show-message-mode
- . (lambda ()
- (set-window-configuration
- mime/show-mode-old-window-configuration)
- (let ((mother mime/mother-buffer))
- (kill-buffer
- (mime::preview-content-info/buffer
- (car mime::preview/content-list)))
- (mime-viewer/kill-buffer)
- (pop-to-buffer mother)
- (goto-char (point-min))
- (mime-viewer/up-content)
- )))
- ))
+ '((mime/show-message-mode
+ . mime-viewer/quitting-method-for-mime/show-message-mode)))
+(defvar mime-viewer/over-to-previous-method-alist nil)
+(defvar mime-viewer/over-to-next-method-alist nil)
-;;; @ data structures
+
+;;; @@ X-Face
;;;
-;;; @@ content-info
+;; hack from Gnus 5.0.4.
+
+(defvar mime-viewer/x-face-command
+ "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | 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-viewer/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 (rfc822/field-end))
+ )
+ (call-process-region beg end "sh" nil 0 nil
+ "-c" mime-viewer/x-face-command)
+ ))))
+
+
+;;; @ data structures
;;;
-(define-structure mime::content-info
- point-min point-max type parameters encoding children)
;;; @@ preview-content-info
;;;
+
(define-structure mime::preview-content-info
point-min point-max buffer content-info)
-;;; @ parser
+;;; @ buffer setup
;;;
-(defun mime-viewer/parse-message (&optional ctl encoding)
- (make-variable-buffer-local 'mime::article/content-info)
- (setq mime::article/content-info (mime-viewer/parse ctl encoding))
- (let ((ret (mime-viewer/make-preview-buffer)))
- (make-variable-buffer-local 'mime::article/preview-buffer)
+(defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
+ (if ibuf
+ (progn
+ (get-buffer ibuf)
+ (set-buffer ibuf)
+ ))
+ (setq mime::article/content-info (mime/parse-message ctl encoding))
+ (let ((ret (mime-viewer/make-preview-buffer obuf)))
(setq mime::article/preview-buffer (car ret))
ret))
-(defun mime-viewer/parse (&optional ctl encoding)
- (save-excursion
- (save-restriction
- (setq ctl (or (mime/Content-Type)
- ctl))
- (setq encoding (or (mime/Content-Transfer-Encoding)
- encoding))
- (let ((ctype (car ctl))
- (params (cdr ctl))
+(defun mime-viewer/make-preview-buffer (&optional obuf)
+ (let ((cinfo mime::article/content-info)
+ (the-buf (current-buffer))
+ (mode major-mode)
+ pcl dest)
+ (or obuf
+ (setq obuf (concat "*Preview-" (buffer-name the-buf) "*"))
+ )
+ (setq pcl (mime/flatten-content-info cinfo))
+ (let ((bf (get-buffer obuf)))
+ (if bf
+ (progn
+ (set-buffer obuf)
+ (setq buffer-read-only nil)
+ (erase-buffer)
)
- (let ((boundary (assoc "boundary" params)))
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (cond (boundary
- (save-excursion
- (save-restriction
- (setq boundary
- (message/strip-quoted-string (cdr boundary)))
- (narrow-to-region
- (point-min)
- (if (re-search-forward
- (concat "^--" (regexp-quote boundary) "--$") nil t)
- (match-beginning 0)
- (point-max)
- ))
- (mime-viewer/parse-multipart
- (point-min)
- (point-max)
- boundary ctype params encoding)
- )))
- ((string= ctype "message/rfc822")
- (mime::content-info/create
- (point-min) (point-max)
- ctype params encoding
- (save-excursion
- (save-restriction
- (narrow-to-region (progn
- (goto-char (point-min))
- (if (re-search-forward "^$" nil t)
- (+ (match-end 0) 1)
- (point-min)
- ))
- (point-max))
- (list (mime-viewer/parse))
- ))
- )
- )
- (t
- (mime::content-info/create (point-min) (point-max)
- ctype params encoding nil)
- ))
- )))))
-
-(defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
- (let ((sep (concat "^--" (regexp-quote boundary) "$"))
- cb ce ct ret ncb children)
- (save-excursion
- (save-restriction
- (narrow-to-region beg end)
- (goto-char (point-min))
- (search-forward (concat "--" boundary "\n") nil t)
- (setq cb (match-end 0))
- (while (re-search-forward sep nil t)
- (setq ce (match-beginning 0))
- (setq ncb (match-end 0))
- (save-excursion
- (save-restriction
- (narrow-to-region cb ce)
- (setq ret (apply (function mime-viewer/parse)
- (cond ((string= ctype "multipart/digest")
- '(("message/rfc822") "7bit")
- )
- (t '(("text/plain") "7bit"))
- )
- ))
- ))
- (setq children (nconc children (list ret)))
- (goto-char (mime::content-info/point-max ret))
- (search-forward (concat "--" boundary "\n") nil t)
- (goto-char (setq cb (match-end 0)))
- )
- (setq ce (point-max))
- (save-excursion
- (save-restriction
- (narrow-to-region cb ce)
- (setq ret (apply (function mime-viewer/parse)
- (cond ((string= ctype "multipart/mixed")
- '(("text/plain") "7bit")
- )
- ((string= ctype "multipart/digest")
- '(("message/rfc822") "7bit")
- ))
- ))
- ))
- (setq children (nconc children (list ret)))
+ (setq bf (get-buffer-create obuf))
+ (set-buffer obuf)
))
- (setq beg (point-min))
- (goto-char beg)
- (mime::content-info/create beg end ctype params encoding children)
+ (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")
+ (setq dest
+ (mapcar
+ (function
+ (lambda (content)
+ (mime-viewer/display-content content cinfo the-buf obuf)
+ ))
+ pcl))
+ (set-buffer-modified-p nil)
+ (setq buffer-read-only t)
+ (set-buffer the-buf)
+ (list obuf dest)
))
-(defun mime::parse-parameter (str)
- (let ((ret (message::parse "\;" str)))
- (if ret
- (if (setq ret
- (message::parse mime/token-regexp
- (message::parsed/rest ret)))
- (let ((parameter (downcase (message::parsed/matched ret))))
- (if (setq ret (message::parse "=" (message::parsed/rest ret)))
- (if (setq ret
- (message::parse
- mime/content-parameter-value-regexp
- (message::parsed/rest ret)))
- (message::make-parsed
- (cons parameter
- (message/strip-quoted-string
- (message::parsed/matched ret))
- )
- (message::parsed/rest ret)
- )
- )))))))
-
-(defun mime::parse-field-body/Content-Type (str)
- (let ((ret (message::parse mime/content-type-subtype-regexp str)))
- (if ret
- (let ((ctype (downcase (message::parsed/matched ret)))
- dest)
- (while (progn
- (setq str (message::parsed/rest ret))
- (setq ret (mime::parse-parameter str))
- )
- (setq dest (cons (message::parsed/matched ret) dest))
- )
- (if (string-match "^[ \t]*$" str)
- (cons ctype (reverse dest))
- )))))
-
-(defun mime/Content-Type (&optional port)
- "Read field-body of Content-Type field from PORT and parse it.
-PORT must be buffer or string. If PORT is omitted,
-it is regarded as current-buffer. [tm-view]"
- (or port
- (setq port (current-buffer))
+(defun mime-viewer/display-content (content cinfo ibuf obuf)
+ (let* ((beg (mime::content-info/point-min content))
+ (end (mime::content-info/point-max content))
+ (ctype (mime::content-info/type content))
+ (params (mime::content-info/parameters content))
+ (encoding (mime::content-info/encoding content))
+ (rcnum (mime::content-info/rcnum content))
+ he e nb ne subj)
+ (set-buffer ibuf)
+ (goto-char beg)
+ (setq he (if (re-search-forward "^$" nil t)
+ (1+ (match-end 0))
+ end))
+ (if (> he end)
+ (setq he end)
)
- (let ((str (if (get-buffer port)
- (save-window-excursion
- (switch-to-buffer port)
- (message/get-field-body "Content-Type")
- )
- port)
- ))
- (if str
- (mime::parse-field-body/Content-Type
- (message/unfolding-string str))
+ (save-restriction
+ (narrow-to-region beg end)
+ (setq subj
+ (mime-eword/decode-string
+ (mime-viewer/get-subject params encoding)))
+ )
+ (set-buffer obuf)
+ (setq nb (point))
+ (narrow-to-region nb nb)
+ (funcall mime-viewer/content-subject-function
+ rcnum cinfo ctype params subj)
+ (set-buffer ibuf)
+ (if (mime-viewer/header-visible-p rcnum cinfo ctype)
+ (mime-viewer/display-header beg he obuf)
+ )
+ (if (and (null rcnum)
+ (member
+ ctype mime-viewer/content-subject-showing-Content-Type-list))
+ (save-excursion
+ (set-buffer obuf)
+ (goto-char (point-max))
+ (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
+ ))
+ (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
+ (mime-viewer/display-body he end obuf
+ rcnum cinfo ctype params subj encoding)
+ )
+ ((equal ctype "message/partial")
+ (mime-viewer/display-message/partial obuf)
+ )
+ ((and (null rcnum)
+ (null (mime::content-info/children cinfo))
+ )
+ (set-buffer obuf)
+ (goto-char (point-max))
+ (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
+ )
+ (t (set-buffer obuf))
+ )
+ (mime-viewer/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/Content-Transfer-Encoding (&optional default-encoding)
- (let ((str (message/get-field-body "Content-Transfer-Encoding")))
- (if str
- (downcase str)
- default-encoding)
- ))
+(defun mime-viewer/display-header (beg end obuf)
+ (let ((str (buffer-substring beg end))
+ (f (assq major-mode mime-viewer/content-header-filter-alist))
+ )
+ (save-excursion
+ (set-buffer obuf)
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert str)
+ (if (and f (setq f (cdr f)))
+ (funcall f)
+ (mime-viewer/default-content-header-filter)
+ )
+ (run-hooks 'mime-viewer/content-header-filter-hook)
+ ))))
+
+(defun mime-viewer/display-body (beg end obuf
+ rcnum cinfo ctype params subj encoding)
+ (let ((str (buffer-substring beg end))
+ be)
+ (set-buffer obuf)
+ (save-restriction
+ (setq be (point-max))
+ (narrow-to-region be be)
+ (insert str)
+ (let ((f (assoc-value ctype mime-viewer/content-filter-alist)))
+ (if (and f (fboundp f))
+ (funcall f ctype params encoding)
+ (mime-viewer/default-content-filter rcnum cinfo ctype params subj)
+ ))
+ )))
+
+(defun mime-viewer/display-message/partial (obuf)
+ (set-buffer obuf)
+ (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-viewer/announcement-for-message/partial)
+ (tm:add-button (point-min)(point-max)
+ (function mime-viewer/play-content))
+ )))
-(defun mime-viewer/get-subject (param)
- (if (member (cdr (assq 'encoding param))
+(defun mime-viewer/get-subject (param &optional encoding)
+ (if (member (or encoding
+ (cdr (assq 'encoding param))
+ )
mime-viewer/uuencode-encoding-name-list)
(save-excursion
(or (if (re-search-forward "^begin [0-9]+ " nil t)
""))
(let (ret)
(or (and (setq ret (assoc "name" param))
- (message/strip-quoted-string (cdr ret))
+ (rfc822/strip-quoted-string (cdr ret))
)
(and (setq ret (assoc "x-name" param))
- (message/strip-quoted-string (cdr ret))
+ (rfc822/strip-quoted-string (cdr ret))
)
(save-excursion
(save-restriction
+ (goto-char (point-min))
(narrow-to-region (point-min)
(or (and (search-forward "\n\n" nil t)
(match-beginning 0)
)
(point-max)))
(or
- (message/get-field-body "Content-Description")
- (message/get-field-body "Subject")
+ (rfc822/get-field-body "Content-Description")
+ (rfc822/get-field-body "Subject")
)))
""))
))
-(defun mime-viewer/get-name (param)
- (let ((str (mime-viewer/get-subject param)))
- (if (string-match " " str)
- (if (or (string-match mime-viewer/file-name-regexp-1 str)
- (string-match mime-viewer/file-name-regexp-2 str))
- (substring str (match-beginning 0)(match-end 0))
- )
- (replace-as-filename str)
- )))
-
-(defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
- (let ((the-buf (current-buffer))
- (mode major-mode)
- pcl dest)
- (setq buf
- (if (null buf)
- (current-buffer)
- (prog1
- (get-buffer buf)
- (switch-to-buffer buf)
- )))
- (or cinfo
- (setq cinfo mime::article/content-info)
- )
- (or obuf
- (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
- )
- (setq pcl (mime::make-flat-content-list cinfo))
- (let ((bf (get-buffer obuf)))
- (switch-to-buffer obuf)
- (setq buffer-read-only nil)
- (if bf
- (erase-buffer)
- ))
- (make-variable-buffer-local 'mime::preview/article-buffer)
- (setq mime::preview/article-buffer the-buf)
- (make-variable-buffer-local 'mime::preview/original-major-mode)
- (setq mime::preview/original-major-mode mode)
- (setq major-mode 'mime/viewer-mode)
- (setq mode-name "MIME-View")
- (make-variable-buffer-local 'outline-regexp)
- ;;(setq outline-regexp "\\[.*\\]\\|\C-L")
- ;;(outline-minor-mode t)
- (setq dest
- (mapcar
- (function
- (lambda (cell)
- (let ((beg (mime::content-info/point-min cell))
- (end (mime::content-info/point-max cell))
- (ctype (mime::content-info/type cell))
- (params (mime::content-info/parameters cell))
- (encoding (mime::content-info/encoding cell))
- he cnum e nb ne subj str)
- (setq cnum (mime::get-point-content-number beg cinfo))
- (switch-to-buffer the-buf)
- (setq he (save-excursion
- (goto-char beg)
- (re-search-forward "^$" nil t)
- (+ (match-end 0) 1)
- ))
- (if (> he (point-max))
- (setq he (point-max))
- )
- (switch-to-buffer obuf)
- (setq nb (point))
- (narrow-to-region nb nb)
- (switch-to-buffer the-buf)
- (if (mime-viewer/header-visible-p cnum cinfo ctype)
- (progn
- (setq str (buffer-substring beg he))
- (switch-to-buffer obuf)
- (insert str)
- (let ((f (assq
- mode
- mime-viewer/content-header-filter-alist))
- )
- (if (and f (setq f (cdr f)))
- (funcall f)
- (mime-viewer/default-content-header-filter)
- ))
- (switch-to-buffer the-buf)
- ))
- (if (mime-viewer/body-visible-p cnum cinfo ctype)
- (let (be)
- (setq str (buffer-substring he end))
- (switch-to-buffer obuf)
- (save-restriction
- (setq be (point-max))
- (narrow-to-region be be)
- (insert str)
- (setq ne (point-max))
- (let ((f (or (assoc-value
- ctype
- mime-viewer/content-filter-alist)
- )))
- (if (and f (fboundp f))
- (funcall f ctype params encoding)
- (mime-viewer/default-content-filter
- cnum cinfo ctype params subj)
- ))
- (setq ne (point-max))
- )
- (switch-to-buffer the-buf)
- )
- (if (equal ctype "message/partial")
- (let (be)
- (switch-to-buffer obuf)
- (save-restriction
- (setq be (point-max))
- (narrow-to-region be be)
- (insert
- mime-viewer/announcement-for-message/partial)
- (setq ne (point-max))
- )
- (switch-to-buffer the-buf)
- ))
- )
- (switch-to-buffer obuf)
- (mime-viewer/default-content-separator
- cnum cinfo ctype params subj)
- (prog1
- (progn
- (setq subj (mime-viewer/get-subject params))
- (goto-char nb)
- (funcall mime-viewer/content-subject-function
- cnum cinfo ctype params subj)
- (setq ne (point-max))
- (widen)
- (mime::preview-content-info/create nb (- ne 1)
- buf cell)
- )
- (goto-char ne)
- ))))
- pcl))
- (set-buffer-modified-p nil)
- (setq buffer-read-only t)
- (switch-to-buffer the-buf)
- (list obuf dest)
- ))
-
-
+
;;; @ content information
;;;
-(defun mime::get-point-content-number (p &optional cinfo)
+(defun mime-article/point-content-number (p &optional cinfo)
(or cinfo
(setq cinfo mime::article/content-info)
)
(catch 'tag
(while c
(setq co (car c))
- (setq ret (mime::get-point-content-number p co))
+ (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 (+ sn 1))
+ (setq sn (1+ sn))
)))
t))))
+(defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
+ (or cinfo
+ (setq cinfo mime::article/content-info)
+ )
+ (some-element
+ (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)
))
))))
-(defun mime::make-flat-content-list (&optional cinfo)
+(defun mime/flatten-content-info (&optional cinfo)
(or cinfo
(setq cinfo mime::article/content-info)
)
(rcl (mime::content-info/children cinfo))
)
(while rcl
- (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
+ (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
(setq rcl (cdr rcl))
)
dest))
-(defun mime::point-preview-content (p &optional pcl)
+(defun mime-preview/point-pcinfo (p &optional pcl)
(or pcl
(setq pcl mime::preview/content-list)
)
))
-;;; @ decoder
-;;;
-
-(defun mime/make-method-args (cal format)
- (mapcar (function
- (lambda (arg)
- (if (stringp arg)
- arg
- (let ((ret (cdr (assoc (eval arg) cal))))
- (if ret
- ret
- "")
- ))
- ))
- format))
-
-(defun mime/start-external-method-region (beg end cal)
- (save-excursion
- (save-restriction
- (narrow-to-region beg end)
- (goto-char beg)
- (let ((method (cdr (assoc 'method cal)))
- (name (mime-viewer/get-name cal))
- )
- (if method
- (let ((file (make-temp-name
- (expand-file-name "TM" mime/tmp-dir)))
- b args)
- (if (nth 1 method)
- (setq b beg)
- (setq b
- (if (re-search-forward "^$" nil t)
- (+ (match-end 0) 1)
- (point-min)
- ))
- )
- (goto-char b)
- (write-region b end file)
- (setq cal (put-alist
- 'name (replace-as-filename name) cal))
- (setq cal (put-alist 'file file cal))
- (setq args (nconc
- (list (car method)
- mime/output-buffer-name (car method)
- )
- (mime/make-method-args cal (cdr (cdr method)))
- ))
- (apply (function start-process) args)
- (mime/show-output-buffer)
- ))
- ))))
-
-(defun mime/decode-message/partial-region (beg end cal)
- (goto-char beg)
- (let* ((root-dir (expand-file-name
- (concat "m-prts-" (user-login-name)) mime/tmp-dir))
- (id (cdr (assoc "id" cal)))
- (number (cdr (assoc "number" cal)))
- (total (cdr (assoc "total" cal)))
- (the-buf (current-buffer))
- file
- (mother mime::article/preview-buffer))
- (if (not (file-exists-p root-dir))
- (make-directory root-dir)
- )
- (setq id (replace-as-filename id))
- (setq root-dir (concat root-dir "/" id))
- (if (not (file-exists-p root-dir))
- (make-directory root-dir)
- )
- (setq file (concat root-dir "/FULL"))
- (if (not (file-exists-p file))
- (progn
- (re-search-forward "^$")
- (goto-char (+ (match-end 0) 1))
- (setq file (concat root-dir "/" number))
- (write-region (point) (point-max) file)
- (if (get-buffer "*MIME-temp*")
- (kill-buffer "*MIME-temp*")
- )
- (switch-to-buffer "*MIME-temp*")
- (let ((i 1)
- (max (string-to-int total))
- )
- (catch 'tag
- (while (<= i max)
- (setq file (concat root-dir "/" (int-to-string i)))
- (if (not (file-exists-p file))
- (progn
- (switch-to-buffer the-buf)
- (throw 'tag nil)
- ))
- (insert-file-contents file)
- (goto-char (point-max))
- (setq i (+ i 1))
- )
- (delete-other-windows)
- (write-file (concat root-dir "/FULL"))
- (setq major-mode 'mime/show-message-mode)
- (mime/viewer-mode mother)
- (pop-to-buffer (current-buffer))
- ))
- )
- (progn
- (delete-other-windows)
- (find-file file)
- (setq major-mode 'mime/show-message-mode)
- (mime/viewer-mode mother)
- (pop-to-buffer (current-buffer))
- ))
- ))
-
-(defun mime/get-content-decoding-alist (al)
- (get-unified-alist mime/content-decoding-condition al)
- )
-
-(defun mime::article/decode-content-region (cinfo)
- (let ((beg (mime::content-info/point-min cinfo))
- (end (mime::content-info/point-max cinfo))
- (ctype (mime::content-info/type cinfo))
- (params (mime::content-info/parameters cinfo))
- (encoding (mime::content-info/encoding cinfo))
- )
- (if ctype
- (let (method cal ret)
- (setq cal (append (list (cons 'type ctype)
- (cons 'encoding encoding)
- (cons 'major-mode major-mode)
- )
- params))
- (if mime-viewer/decoding-mode
- (setq cal (cons
- (cons 'mode mime-viewer/decoding-mode)
- cal))
- )
- (setq ret (mime/get-content-decoding-alist cal))
- (setq method (cdr (assoc 'method ret)))
- (cond ((and (symbolp method)
- (fboundp method))
- (funcall method beg end ret)
- )
- ((and (listp method)(stringp (car method)))
- (mime/start-external-method-region beg end ret)
- )
- (t (mime/show-output-buffer
- "No method are specified for %s\n" ctype)
- ))
- ))
- ))
-
-(defun mime/show-output-buffer (&rest forms)
- (let ((the-buf (current-buffer)))
- (if (null (get-buffer-window mime/output-buffer-name))
- (split-window-vertically (/ (* (window-height) 3) 4))
- )
- (pop-to-buffer mime/output-buffer-name)
- (goto-char (point-max))
- (if forms
- (insert (apply (function format) forms))
- )
- (pop-to-buffer the-buf)
- ))
-
-
;;; @ content filter
;;;
-(defvar mime-viewer/code-converter-alist nil)
+(defvar mime-viewer/code-converter-alist
+ '((mime/show-message-mode . mime/code-convert-region-to-emacs))
+ )
(defun mime-viewer/default-code-convert-region
(beg end charset &optional encoding)
(mime/code-convert-region-to-emacs beg (point-max) charset)
))
+(defun mime-preview/decode-text-region (beg end charset encoding)
+ (mime/decode-region encoding beg end)
+ (let* ((mode mime::preview/original-major-mode)
+ (m (or (save-excursion
+ (set-buffer mime::preview/article-buffer)
+ mime::article/code-converter)
+ (cdr (assq mode mime-viewer/code-converter-alist))
+ ))
+ )
+ (if (and m (fboundp m))
+ (funcall m beg (point-max) charset encoding)
+ (mime-viewer/default-code-convert-region
+ beg (point-max) charset encoding)
+ )))
+
(defun mime-viewer/filter-text/plain (ctype params encoding)
(let ((charset (cdr (assoc "charset" params)))
(beg (point-min)) (end (point-max))
)
- (goto-char (point-min))
- (cond ((string= encoding "quoted-printable")
- (quoted-printable-decode-region beg end)
- )
- ((string= encoding "base64")
- (base64-decode-region beg end)
- ))
- (let* ((mode mime::preview/original-major-mode)
- (m (assq mode mime-viewer/code-converter-alist))
- )
- (if (and m (fboundp (setq m (cdr m))))
- (funcall m beg (point-max) charset encoding)
- (mime-viewer/default-code-convert-region beg (point-max)
- charset encoding)
- )))
+ (mime-preview/decode-text-region beg end charset encoding)
+ )
(goto-char (point-max))
(if (not (eq (char-after (1- (point))) ?\n))
(insert "\n")
)
- ;;(hide-sublevels 1)
+ (if browse-url-browser-function
+ (progn
+ (goto-char (point-min))
+ (while (re-search-forward tm:URL-regexp nil t)
+ (tm:add-button (match-beginning 0)(match-end 0)
+ (function tm:browse-url))
+ )))
(run-hooks 'mime-viewer/plain-text-preview-hook)
)
(define-key mime/viewer-mode-map
"\C-c\C-p" (function mime-viewer/print-content))
(define-key mime/viewer-mode-map
+ "f" (function mime-viewer/display-x-face))
+ (define-key mime/viewer-mode-map
"q" (function mime-viewer/quit))
(define-key mime/viewer-mode-map
"\C-c\C-x" (function mime-viewer/kill-buffer))
+ (define-key mime/viewer-mode-map
+ "<" (function beginning-of-buffer))
+ (define-key mime/viewer-mode-map
+ ">" (function end-of-buffer))
+ (if mouse-button-2
+ (define-key mime/viewer-mode-map
+ mouse-button-2 (function tm:button-dispatcher))
+ )
+ (if mouse-button-3
+ (define-key mime/viewer-mode-map
+ mouse-button-3 (function mime-viewer/popup-menu))
+ )
))
-(defun mime/viewer-mode (&optional mother ctl encoding)
+(defvar mime-viewer/popup-menu-title "MIME Viewer Commands")
+(defvar mime-viewer/popup-menu-items
+ '(("Move to upper content" . mime-viewer/up-content)
+ ("Move to previous content" . mime-viewer/previous-content)
+ ("Move to next content" . mime-viewer/next-content)
+ ("Scroll to previous content" . mime-viewer/scroll-down-content)
+ ("Scroll to next content" . mime-viewer/scroll-up-content)
+ ("Play Content" . mime-viewer/play-content)
+ ("Extract Content" . mime-viewer/extract-content)
+ ("Print" . mime-viewer/print-content)
+ ("Show X Face" . mime-viewer/display-x-face)
+ )
+ "Popup Menu for MIME Viewer")
+
+(cond ((string-match "XEmacs\\|Lucid" emacs-version)
+ (defvar mime-viewer/popup-menu
+ (cons mime-viewer/popup-menu-title
+ (mapcar (function
+ (lambda (item)
+ (vector (car item)(cdr item) t)
+ ))
+ mime-viewer/popup-menu-items)))
+ (defun mime-viewer/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-viewer/popup-menu))
+ )
+ ((>= emacs-major-version 19)
+ (defun mime-viewer/popup-menu (event)
+ (interactive "e")
+ (mouse-set-point event)
+ (let ((menu
+ (cons mime-viewer/popup-menu-title
+ (list (cons "Menu Items" mime-viewer/popup-menu-items))
+ )))
+ (let ((func (x-popup-menu event menu)))
+ (if func
+ (funcall func)
+ ))
+ ))
+ ))
+
+
+(defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
"Major mode for viewing MIME message.
-u Move to upper content
-p Move to previous content
-n Move to next content
-SPC Scroll up
-M-SPC Scroll down
-DEL Scroll down
-RET Move to next line
-M-RET Move to previous line
-v Decode the content as `play mode'
-e Decode the content as `extract mode'
-C-c C-p Decode the content as `print mode'
-q Quit
+Here is a list of the standard keys for mime/viewer-mode.
+
+key feature
+--- -------
+
+u Move to upper content
+p Move to previous content
+n Move to next content
+SPC Scroll up or move to next content
+M-SPC Scroll down or move to previous content
+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'
+f Display X-Face
+q Quit
+button-2 Move to point under the mouse cursor
+ and decode current content as `play mode'
+
+
+Here are all the commands with their current binding,
+listed in key order:
+
+\\{mime/viewer-mode-map}
"
(interactive)
- (setq mime-viewer/ignored-field-regexp
- (concat "\\("
- (mapconcat (function regexp-quote)
- mime-viewer/ignored-field-list "\\|")
- "\\)"))
- (let ((buf (get-buffer mime/output-buffer-name))
- (the-buf (current-buffer))
- )
+ (let ((buf (get-buffer mime/output-buffer-name)))
(if buf
- (progn
- (switch-to-buffer buf)
+ (save-excursion
+ (set-buffer buf)
(erase-buffer)
- (switch-to-buffer the-buf)
)))
- (let ((ret (mime-viewer/parse-message ctl encoding)))
+ (let ((ret (mime-viewer/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
- (make-variable-buffer-local
- 'mime/show-mode-old-window-configuration)
- (setq mime/show-mode-old-window-configuration
- (current-window-configuration))
- (make-variable-buffer-local 'mime/mother-buffer)
- (setq mime/mother-buffer mother)
+ (setq mime::preview/mother-buffer mother)
))
(use-local-map mime/viewer-mode-map)
- (make-variable-buffer-local 'mime::preview/content-list)
(setq mime::preview/content-list (nth 1 ret))
(goto-char
(let ((ce (mime::preview-content-info/point-max
(defun mime-preview/point-content-number (point)
(save-window-excursion
- (let ((pc (mime::point-preview-content (point)))
+ (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::get-point-content-number (mime::content-info/point-min cinfo))
+ (mime-article/point-content-number (mime::content-info/point-min cinfo))
)))
(defun mime-preview/cinfo-to-pcinfo (cinfo)
(setq rpcl (cdr rpcl))
))))
-(defvar mime-preview/after-decoded-position nil)
+(autoload 'mime-preview/decode-content "tm-play")
-(defun mime-preview/decode-content ()
- (interactive)
- (let ((pc (mime::point-preview-content (point))))
- (if pc
- (let ((the-buf (current-buffer)))
- (setq mime-preview/after-decoded-position (point))
- (switch-to-buffer (mime::preview-content-info/buffer pc))
- (mime::article/decode-content-region
- (mime::preview-content-info/content-info pc))
- (if (eq (current-buffer)
- (mime::preview-content-info/buffer pc))
- (progn
- (switch-to-buffer the-buf)
- (goto-char mime-preview/after-decoded-position)
- ))
- ))))
+(defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
(defun mime-viewer/play-content ()
(interactive)
(mime-preview/decode-content)
))
+(defun mime-viewer/display-x-face ()
+ (interactive)
+ (save-window-excursion
+ (set-buffer mime::preview/article-buffer)
+ (mime-viewer/x-face-function)
+ ))
+
(defun mime-viewer/up-content ()
(interactive)
- (let ((pc (mime::point-preview-content (point))) cinfo
+ (let ((pc (mime-preview/point-pcinfo (point))) cinfo
(the-buf (current-buffer))
- cn r)
+ rcnum r)
(switch-to-buffer (mime::preview-content-info/buffer pc))
(setq cinfo (mime::preview-content-info/content-info pc))
- (setq cn (mime::get-point-content-number
- (mime::content-info/point-min cinfo)))
- (if (eq cn t)
+ (setq rcnum (mime::content-info/rcnum cinfo))
+ (if (null rcnum)
(mime-viewer/quit the-buf
(mime::preview-content-info/buffer pc)
)
- (setq r (mime-article/cnum-to-cinfo (butlast cn)))
+ (setq r (mime-article/rcnum-to-cinfo (cdr rcnum)))
(switch-to-buffer the-buf)
(catch 'tag
(let ((rpcl mime::preview/content-list) cell)
(throw 'tag (goto-char beg))
)
(setq i (- i 1))
- ))
+ )
+ (let ((f (assq mime::preview/original-major-mode
+ mime-viewer/over-to-previous-method-alist)))
+ (if f
+ (funcall (cdr f))
+ ))
+ )
))
(defun mime-viewer/next-content ()
(throw 'tag (goto-char beg))
)
(setq pcl (cdr pcl))
- ))
+ )
+ (let ((f (assq mime::preview/original-major-mode
+ mime-viewer/over-to-next-method-alist)))
+ (if f
+ (funcall (cdr f))
+ ))
+ )
))
(defun mime-viewer/scroll-up-content (&optional h)
(or h
(setq h (- (window-height) 1))
)
- (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)
- ))
+ (if (= (point) (point-max))
+ (let ((f (assq mime::preview/original-major-mode
+ mime-viewer/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-viewer/scroll-down-content (&optional h)
(interactive)
(or h
(setq h (- (window-height) 1))
)
- (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)
- )))
+ (if (= (point) (point-min))
+ (let ((f (assq mime::preview/original-major-mode
+ mime-viewer/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-viewer/next-line-content ()
(interactive)
)
(or buf
(setq buf (mime::preview-content-info/buffer
- (mime::point-preview-content (point))))
+ (mime-preview/point-pcinfo (point))))
)
(let ((r (progn
(switch-to-buffer buf)
- (assoc major-mode mime-viewer/quitting-method-alist)
+ (assq major-mode mime-viewer/quitting-method-alist)
)))
(if r
(progn