;;;
-;;; A MIME viewer for GNU Emacs
+;;; tm-view.el --- interactive MIME viewer for GNU Emacs
;;;
-;;; by Morioka Tomohiko, 1994/07/13
-
-(provide 'tm-view)
-
-
-;;; @ require modules
+;;; Copyright (C) 1995 Free Software Foundation, Inc.
+;;; Copyright (C) 1994,1995 MORIOKA Tomohiko
+;;;
+;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;; Keywords: mail, news, MIME, multimedia
+;;;
+;;; This file is part of tm (Tools for MIME).
;;;
(require 'tl-str)
(require 'tl-list)
-(require 'tl-header)
-(require 'tiny-mime)
-(require 'tm-misc)
+(require 'tl-atype)
+(require 'tl-misc)
+(require 'tl-822)
+(require 'mel)
+(require 'tm-ew-d)
+(require 'tm-def)
+(require 'tm-parse)
;;; @ version
;;;
(defconst mime-viewer/RCS-ID
- "$Id: tm-view.el,v 6.10 1995/03/14 12:39:41 morioka Exp $")
+ "$Id: tm-view.el,v 7.20 1995/10/24 00:21:02 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
-;;(setq mime/content-decoding-condition
'(((type . "text/plain")
(method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
;;((type . "text/x-latex")
;; "-e" "showexternal"
;; 'file '"access-type" '"name" '"site" '"directory"))
((type . "message/partial")
- (method . mime/decode-message/partial-region))
+ (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/content-filter-alist
- '(("text/plain" . mime-viewer/filter-text/plain)))
+(defvar mime-viewer/childrens-header-showing-Content-Type-list
+ '("message/rfc822" "message/news"))
-(defvar mime-viewer/content-subject-function
- (function
- (lambda (cnum subj ctype params)
- (insert
- (format "[%s %s (%s)]\n"
- (if (listp cnum)
- (mapconcat (function
- (lambda (num)
- (format "%s" (+ num 1))
- ))
- cnum ".")
- "0")
- subj ctype))
- )))
-
-(defvar mime-viewer/content-header-filter-function
- (function mime-viewer/default-content-header-filter-function))
+(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/childrens-header-showing-Content-Type-list
- '("message/rfc822"))
+(defvar mime-viewer/content-subject-omitting-Content-Type-list
+ '("application/x-selection"))
+
+(defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
(defvar mime-viewer/ignored-field-list
- '("Received"))
+ '("Received" "Return-Path" "Replied" "Errors-To"
+ "Lines" "Sender" "Path" "Nntp-Posting-Host"
+ "Content-Type" "Precedence" "X-Face"))
+
+(defvar mime-viewer/ignored-field-regexp)
+
+(defvar mime-viewer/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. ]]"
+ ))
-(defun mime-viewer/default-content-header-filter-function (cnum cinfo)
- (if (and (listp cnum)
- (not (member
- (mime::content-info/type
- (mime::article/get-content-region (butlast cnum) cinfo)
- )
- mime-viewer/childrens-header-showing-Content-Type-list)
- ))
- (delete-region (goto-char (point-min))
- (or (and (re-search-forward "^$" nil t)
- (match-end 0))
- (point-max))
- )
- (save-excursion
- (save-restriction
- (narrow-to-region (goto-char (point-min))
- (or (and (re-search-forward "^$" nil t)
- (match-end 0))
- (point-max))
- )
- (mapcar (function
- (lambda (field)
- (goto-char (point-min))
- (while (and (re-search-forward
- (concat "^" (regexp-quote field) ":")
- nil t)
- (progn
- (delete-region
- (match-beginning 0)
- (and
- (re-search-forward
- (concat message/field-body-regexp "\n")
- nil t)
- (match-end 0)
- ))
- t))
- )
- )) mime-viewer/ignored-field-list)
- ))))
-(defvar mime-viewer/default-showing-Content-Type-list
- '("text/plain" "text/richtext" "text/enriched"
- "text/x-latex" "application/x-latex"
- "application/octet-stream" nil))
+;;; @@ predicate functions
+;;;
-(defvar mime-viewer/quitting-method-alist
- '((gnus-article-mode
- . (lambda ()
- (mime-viewer/kill-buffer)
- (delete-other-windows)
- (gnus-article-show-summary)
- ))
- (rmail-mode
- . (lambda ()
- (mime-viewer/kill-buffer)
- (rmail-summary)
- (delete-other-windows)
- ))
- (mh-show-mode
- . (lambda ()
- (let ((win (get-buffer-window
- mime/output-buffer-name))
- (buf
- (mime::preview-content-info/buffer
- (car mime::preview/content-list)))
+(defun mime-viewer/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-viewer/childrens-header-showing-Content-Type-list)
+ )))
+
+(defun mime-viewer/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-viewer/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"))
)
- (if win
- (delete-window win)
- )
- (mime-viewer/kill-buffer)
- (pop-to-buffer
- (let ((name (buffer-name buf)))
- (string-match "show-" name)
- (substring name (match-end 0))
- ))
- )))
- (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)
- )))
+ t))
))
-(defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
-
-;;; @ data structure
+;;; @@ content subject
;;;
-;;; @@ content-info
-;;;
+(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::make-content-info (beg end ctype params encoding children)
- (vector beg end ctype params encoding children)
- )
+(defun mime-viewer/default-content-subject-function
+ (rcnum cinfo ctype params subj)
+ (if (and (consp rcnum)
+ (not (member
+ ctype
+ mime-viewer/content-subject-omitting-Content-Type-list))
+ )
+ (mime-viewer/insert-content-subject
+ rcnum cinfo ctype params subj)
+ ))
-(defun mime::content-info/point-min (cinfo)
- (elt cinfo 0)
- )
+(defvar mime-viewer/content-subject-function
+ (function mime-viewer/default-content-subject-function))
-(defun mime::content-info/point-max (cinfo)
- (elt cinfo 1)
- )
-(defun mime::content-info/type (cinfo)
- (elt cinfo 2)
- )
+;;; @@ content header filter
+;;;
-(defun mime::content-info/parameters (cinfo)
- (elt cinfo 3)
+(defun mime-viewer/default-content-header-filter ()
+ (goto-char (point-min))
+ (while (and (re-search-forward mime-viewer/ignored-field-regexp nil t)
+ (progn
+ (delete-region
+ (match-beginning 0)
+ (save-excursion
+ (and
+ (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
+ (match-beginning 0)
+ )))
+ t)))
+ (mime/decode-message-header)
)
-(defun mime::content-info/encoding (cinfo)
- (elt cinfo 4)
- )
+(defvar mime-viewer/content-header-filter-alist nil)
-(defun mime::content-info/children (cinfo)
- (elt cinfo 5)
- )
-;;; @@ preview-content-info
+;;; @@ content filter
;;;
-(defun mime::make-preview-content-info (beg end buf cinfo)
- (vector beg end buf cinfo)
- )
+(defvar mime-viewer/content-filter-alist
+ '(("text/plain" . mime-viewer/filter-text/plain)
+ ("application/pgp" . mime-viewer/filter-text/plain)
+ (nil . mime-viewer/filter-text/plain)))
-(defun mime::preview-content-info/point-min (pcinfo)
- (elt pcinfo 0)
+(defun mime-viewer/default-content-filter (rcnum cinfo ctype params subj)
)
-(defun mime::preview-content-info/point-max (pcinfo)
- (elt pcinfo 1)
- )
-(defun mime::preview-content-info/buffer (pcinfo)
- (elt pcinfo 2)
- )
+;;; @@ content separator
+;;;
-(defun mime::preview-content-info/content-info (pcinfo)
- (elt pcinfo 3)
- )
+(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))
+ (insert "\n")
+ )))
-;;; @ buffer local variables
+;;; @@ buffer local variables
;;;
-(defvar mime::article/content-info)
-(defvar mime::article/preview-buffer)
+(defvar mime/show-mode-old-window-configuration nil)
+(defvar mime/mother-buffer nil)
+
+(defvar mime::article/content-info nil)
+(defvar mime::article/preview-buffer nil)
+(defvar mime::preview/article-buffer nil)
(defvar mime::preview/content-list nil)
(defvar mime::preview/original-major-mode nil)
-;;; @ parser
+;;; @@ quitting method
+;;;
+
+(defvar mime-viewer/quitting-method-alist
+ '((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)
+ )))
+ ))
+
+
+;;; @@ X-Face
+;;;
+
+;; 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
+;;;
+
+;;; @@ preview-content-info
+;;;
+
+(define-structure mime::preview-content-info
+ point-min point-max buffer content-info)
+
+
+;;; @ buffer setup
;;;
-(defun mime-viewer/parse-message ()
+(defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
+ (if ibuf
+ (progn
+ (get-buffer ibuf)
+ (set-buffer ibuf)
+ ))
(make-variable-buffer-local 'mime::article/content-info)
- (setq mime::article/content-info (mime-viewer/parse))
- (let ((ret (mime-viewer/make-preview-buffer)))
+ (setq mime::article/content-info (mime/parse-message ctl encoding))
+ (let ((ret (mime-viewer/make-preview-buffer obuf)))
(make-variable-buffer-local 'mime::article/preview-buffer)
(setq mime::article/preview-buffer (car ret))
ret))
-(defun mime-viewer/parse ()
- (save-excursion
- (save-restriction
- (let ((ctl (progn
- (goto-char (point-min))
- (mime/Content-Type)
- ))
- (encoding (progn
- (goto-char (point-min))
- (mime/Content-Transfer-Encoding)
- ))
- )
- (let ((ctype (car ctl))
- (params (cdr ctl))
- )
- (if (stringp ctype)
- (setq ctype (downcase ctype))
- )
- (if (stringp encoding)
- (setq encoding (downcase encoding))
+(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)))
- (search-forward "\n\n" nil t)
- (cond (boundary
- (setq boundary
- (message/strip-quoted-string (cdr boundary)))
- (mime-viewer/parse-multipart
- (match-end 0)
- (progn
- (search-forward (concat "--" boundary "--\n") nil t)
- (match-beginning 0)
- )
- boundary ctype params encoding)
- )
- ((string= ctype "message/rfc822")
- (mime::make-content-info
- (point-min) (point-max)
- ctype params encoding
- (save-excursion
- (save-restriction
- (narrow-to-region (match-end 0) (point-max))
- (list (mime-viewer/parse))
- ))
- )
- )
- (t
- (mime::make-content-info (point-min) (point-max)
- ctype params encoding nil)
- ))
- ))))))
-
-(defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
- (let ((sep (concat "^--" boundary "$"))
- cb ce ct ret ncb children)
- (save-excursion
- (save-restriction
- (narrow-to-region beg end)
- (goto-char (point-min))
- (search-forward (concat "--" boundary "\n") nil t)
- (setq cb (match-end 0))
- (while (re-search-forward sep nil t)
- (setq ce (match-beginning 0))
- (setq ncb (match-end 0))
- (save-excursion
- (save-restriction
- (narrow-to-region cb ce)
- (setq ret (mime-viewer/parse))
- ))
- (setq children (nconc children (list ret)))
- (goto-char (mime::content-info/point-max ret))
- (search-forward (concat "--" boundary "\n") nil t)
- (goto-char (setq cb (match-end 0)))
- )
- (setq ce (point-max))
- (save-excursion
- (save-restriction
- (narrow-to-region cb ce)
- (setq ret (mime-viewer/parse))
- ))
- (setq children (nconc children (list ret)))
+ (setq bf (get-buffer-create obuf))
+ (set-buffer obuf)
))
- (setq beg (point-min))
- (goto-char beg)
- (mime::make-content-info beg end ctype params encoding children)
+ (make-variable-buffer-local 'mime::preview/article-buffer)
+ (setq mime::preview/article-buffer the-buf)
+ (make-variable-buffer-local 'mime::preview/original-major-mode)
+ (setq mime::preview/original-major-mode mode)
+ (setq major-mode 'mime/viewer-mode)
+ (setq mode-name "MIME-View")
+ (setq dest
+ (mapcar
+ (function
+ (lambda (content)
+ (mime-viewer/display-content content cinfo the-buf obuf)
+ ))
+ pcl))
+ (set-buffer-modified-p nil)
+ (setq buffer-read-only t)
+ (set-buffer the-buf)
+ (list obuf dest)
))
-(defun mime/Content-Type ()
- (save-excursion
+(defun mime-viewer/display-content (content cinfo ibuf obuf)
+ (let* ((beg (mime::content-info/point-min content))
+ (end (mime::content-info/point-max content))
+ (ctype (mime::content-info/type content))
+ (params (mime::content-info/parameters content))
+ (encoding (mime::content-info/encoding content))
+ (rcnum (mime::content-info/rcnum content))
+ he e nb ne subj)
+ (set-buffer ibuf)
+ (goto-char beg)
+ (setq he (if (re-search-forward "^$" nil t)
+ (1+ (match-end 0))
+ end))
+ (if (> he end)
+ (setq he end)
+ )
(save-restriction
- (if (and (re-search-forward "^Content-Type:[ \t]*" nil t)
- (progn
- (narrow-to-region
- (point)
- (and (re-search-forward ".*\\(\n[ \t].*\\)*" nil t)
- (match-end 0))
- )
- (goto-char (point-min))
- (re-search-forward mime/content-type-subtype-regexp nil t)
- ))
- (let ((ctype
- (downcase
- (buffer-substring (match-beginning 0) (match-end 0))
- ))
- dest attribute value)
- (while (and (re-search-forward "[ \t\n]*;[ \t\n]*" nil t)
- (re-search-forward mime/token-regexp nil t)
- )
- (setq attribute
- (downcase
- (buffer-substring (match-beginning 0) (match-end 0))
- ))
- (if (and (re-search-forward "=[ \t\n]*" nil t)
- (re-search-forward mime/content-parameter-value-regexp
- nil t)
- )
- (setq dest
- (put-alist attribute
- (message/strip-quoted-string
- (buffer-substring (match-beginning 0)
- (match-end 0)))
- dest))
- )
+ (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)
+ )
+ (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))
)
- (cons ctype dest)
- )))))
+ (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)
- (save-excursion
+(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
- (if (and (re-search-forward "^Content-Transfer-Encoding:[ \t]*" nil t)
- (re-search-forward mime/token-regexp nil t)
- )
- (downcase (buffer-substring (match-beginning 0) (match-end 0)))
- default-encoding)
+ (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/get-subject (param)
- (save-excursion
- (save-restriction
- (let (ret)
- (or (and (setq ret (assoc "name" param))
- (message/strip-quoted-string (cdr ret))
- )
- (and (setq ret (assoc "x-name" param))
- (message/strip-quoted-string (cdr ret))
- )
- (progn
+(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 &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)
+ (if (looking-at ".+$")
+ (buffer-substring (match-beginning 0)(match-end 0))
+ ))
+ ""))
+ (let (ret)
+ (or (and (setq ret (assoc "name" param))
+ (rfc822/strip-quoted-string (cdr ret))
+ )
+ (and (setq ret (assoc "x-name" param))
+ (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")
- ))
- ""))
- )))
-
-(defun mime/get-name (param)
- (replace-as-filename (mime/get-subject param))
- )
-
-(defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
- (let ((the-buf (current-buffer)) pcl dest)
- (setq buf
- (if (null buf)
- (current-buffer)
- (get-buffer buf)
- ))
- (if (null cinfo)
- (progn
- (switch-to-buffer buf)
- (setq cinfo mime::article/content-info)
- ))
- (if (null obuf)
- (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
- )
- (setq pcl (mime::make-flat-content-list cinfo))
- (if (get-buffer obuf)
- (kill-buffer obuf)
- )
- (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))
- cnum e nb ne subj str)
- (setq cnum (mime::get-point-content-number beg cinfo))
- (switch-to-buffer buf)
- (setq e
- (if (not
- (member
- ctype
- mime-viewer/default-showing-Content-Type-list))
- (save-excursion
- (save-restriction
- (goto-char beg)
- (search-forward "\n\n" nil t)
- (match-end 0)
- ))
- end))
- (if (> e (point-max))
- (setq e (point-max))
- )
- (setq str (buffer-substring beg e))
- (switch-to-buffer obuf)
- (setq nb (point))
- (insert str)
- (setq ne (point))
- (prog1
- (save-excursion
- (save-restriction
- (narrow-to-region nb ne)
- (mime/decode-message-header)
- (setq subj (mime/get-subject params))
- (let ((f
- (cdr
- (assoc ctype
- mime-viewer/content-filter-alist))))
- (if (and f (fboundp f))
- (funcall f ctype params)
- ))
- (funcall mime-viewer/content-header-filter-function
- cnum cinfo)
- (goto-char nb)
- (funcall mime-viewer/content-subject-function
- cnum subj ctype params)
- (setq ne (point-max))
- (mime::make-preview-content-info 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)
+ (rfc822/get-field-body "Content-Description")
+ (rfc822/get-field-body "Subject")
+ )))
+ ""))
))
-
+
;;; @ content information
;;;
-(defun mime::get-point-content-number (p &optional cinfo)
- (if (null cinfo)
+(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))
(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/get-content-region (cn &optional cinfo)
- (if (null cinfo)
+(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)
+ )
(if (eq cn t)
cinfo
(let ((sn (car cn)))
cinfo
(let ((rc (nth sn (mime::content-info/children cinfo))))
(if rc
- (mime::article/get-content-region (cdr cn) rc)
+ (mime-article/cnum-to-cinfo (cdr cn) rc)
))
))))
-(defun mime::make-flat-content-list (&optional cinfo)
- (if (null cinfo)
+(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::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)
- (if (null pcl)
+ (or pcl
(setq pcl mime::preview/content-list)
- )
+ )
(catch 'tag
(let ((r pcl) cell)
(while r
))
-;;; @ decoder
+;;; @ content filter
;;;
-(defun mime/Quoted-Printable-decode-region (beg end)
- (interactive "*r")
- (save-excursion
- (save-restriction
- (narrow-to-region beg end)
- (goto-char (point-min))
- (while (re-search-forward "=\n" nil t)
- (replace-match "")
- )
- (goto-char (point-min))
- (let (b e str)
- (while (re-search-forward mime/Quoted-Printable-octet-regexp nil t)
- (setq b (match-beginning 0))
- (setq e (match-end 0))
- (setq str (buffer-substring b e))
- (delete-region b e)
- (insert (mime/Quoted-Printable-decode-string str))
- ))
- )))
-
-(defun mime/Base64-decode-region (beg end)
- (interactive "*r")
- (save-excursion
- (save-restriction
- (narrow-to-region beg end)
- (goto-char (point-min))
- (while (search-forward "\n" nil t)
- (replace-match "")
- )
- (let ((str (buffer-substring (point-min)(point-max))))
- (delete-region (point-min)(point-max))
- (insert (mime/base64-decode-string str))
- ))))
-
-(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/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)
- (search-forward "\n\n" nil t)
- (setq b (match-end 0))
- )
- (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)
- ))
- ))))
+(defvar mime-viewer/code-converter-alist nil)
-(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))
- (shell-command (concat "mkdir " root-dir))
- )
- (setq id (replace-as-filename id))
- (setq root-dir (concat root-dir "/" id))
- (if (not (file-exists-p root-dir))
- (shell-command (concat "mkdir " 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-viewer/default-code-convert-region
+ (beg end charset &optional encoding)
+ (if (member encoding '("quoted-printable" "base64"))
+ (mime/code-convert-region-to-emacs beg (point-max) charset)
))
-(defun mime/get-content-decoding-alist (al)
- (get-unified-alist mime/content-decoding-condition al)
- )
-
-(defun mime::article/decode-content-region (cinfo)
- (interactive "*r")
- (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))
+(defun mime-viewer/filter-text/plain (ctype params encoding)
+ (let ((charset (cdr (assoc "charset" params)))
+ (beg (point-min)) (end (point-max))
)
- (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
-;;;
-
-(defun mime-viewer/filter-text/plain (ctype params)
- (save-excursion
- (save-restriction
- (let ((charset (cdr (assoc "charset" params)))
- (encoding
- (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)))
- (goto-char (point-min))
- (mime/Content-Transfer-Encoding "7bit")
- )))
- (beg (point-min)) (end (point-max))
- )
+ (mime/decode-region encoding 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)
+ )))
+ (goto-char (point-max))
+ (if (not (eq (char-after (1- (point))) ?\n))
+ (insert "\n")
+ )
+ (if browse-url-browser-function
+ (progn
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (setq beg (match-end 0))
- )
- (if (cond ((string= encoding "quoted-printable")
- (mime/Quoted-Printable-decode-region beg end)
- t)
- ((string= encoding "base64")
- (mime/Base64-decode-region beg end)
- t))
- (mime/code-convert-region-to-emacs beg (point-max) charset)
- )
- ))))
+ (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)
+ )
;;; @ MIME viewer mode
(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))
+ (if mouse-button-2
+ (define-key mime/viewer-mode-map
+ mouse-button-2 (function tm:button-dispatcher))
+ )
))
-(defun mime/viewer-mode (&optional mother)
+(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)
- (let ((buf (get-buffer mime/output-buffer-name))
- (the-buf (current-buffer))
- )
+ (setq mime-viewer/ignored-field-regexp
+ (concat "^\\("
+ (mapconcat (function regexp-quote)
+ mime-viewer/ignored-field-list "\\|")
+ "\\):"))
+ (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))
- (mode major-mode))
- (switch-to-buffer (car ret))
- (setq major-mode 'mime/viewer-mode)
- (setq mode-name "MIME-View")
- (make-variable-buffer-local 'mime::preview/original-major-mode)
- (setq mime::preview/original-major-mode
- (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)
- 'mime/show-message-mode)
- mode))
- (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
- (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)
- ))
+ (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf)))
+ (prog1
+ (switch-to-buffer (car ret))
+ (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)
+ ))
+ (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
+ (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/decode-content ()
- (interactive)
- (let ((pc (mime::point-preview-content (point))))
- (if pc
- (let ((the-buf (current-buffer)))
- (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))
- (switch-to-buffer the-buf)
- )
- ))))
+(defun mime-preview/point-content-number (point)
+ (save-window-excursion
+ (let ((pc (mime::point-preview-content (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-viewer/decoding-mode "play" "MIME body decoding mode")
(defun mime-viewer/play-content ()
(interactive)
(let ((mime-viewer/decoding-mode "play"))
- (mime::preview/decode-content)
+ (mime-preview/decode-content)
))
(defun mime-viewer/extract-content ()
(interactive)
(let ((mime-viewer/decoding-mode "extract"))
- (mime::preview/decode-content)
+ (mime-preview/decode-content)
))
(defun mime-viewer/print-content ()
(interactive)
(let ((mime-viewer/decoding-mode "print"))
- (mime::preview/decode-content)
+ (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
(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/get-content-region (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)
(defun mime-viewer/scroll-up-content (&optional h)
(interactive)
- (if (null h)
+ (or h
(setq h (- (window-height) 1))
- )
+ )
(let ((pcl mime::preview/content-list)
(p (point))
np beg)
(forward-line h)
(if (> (point) np)
(goto-char np)
- )))
+ )
+ ;;(show-subtree)
+ ))
(defun mime-viewer/scroll-down-content (&optional h)
(interactive)
- (if (null h)
+ (or h
(setq h (- (window-height) 1))
- )
+ )
(let ((pcl mime::preview/content-list)
(p (point))
pp beg)
(defun mime-viewer/quit (&optional the-buf buf)
(interactive)
- (if (null the-buf)
+ (or the-buf
(setq the-buf (current-buffer))
- )
- (if (null buf)
+ )
+ (or buf
(setq buf (mime::preview-content-info/buffer
(mime::point-preview-content (point))))
- )
+ )
(let ((r (progn
(switch-to-buffer buf)
(assoc major-mode mime-viewer/quitting-method-alist)
(kill-buffer (current-buffer))
)
-(fset 'mime/view-mode 'mime/viewer-mode)
+
+;;; @ end
+;;;
+
+(provide 'tm-view)
(run-hooks 'tm-view-load-hook)
projects / elisp / tm.git / blobdiff