;;; mime-text.el --- mime-view content filter for text
-;; Copyright (C) 1994,1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version:
-;; $Id: mime-text.el,v 0.16 1997-03-15 23:53:49 morioka Exp $
;; Keywords: text, MIME, multimedia, mail, news
-;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+;; This file is part of SEMI (Suite of Emacs MIME Interfaces).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;;; Code:
-;;; @ buffer local variables in raw-buffer
-;;;
-
-(defvar mime-raw::text-decoder nil
- "Function to decode text in current buffer.
-Interface of the function is (CHARSET &optional ENCODING).
-CHARSET is symbol of MIME charset and ENCODING is value of
-Content-Transfer-Encoding.")
-(make-variable-buffer-local 'mime-raw::text-decoder)
+(require 'mime-view)
;;; @ code conversion
;;;
-(defvar mime-text-decoder-alist
- '((mime/show-message-mode . mime-charset/decode-buffer)
- (mime-temp-message-mode . mime-charset/decode-buffer)
- (t . mime-charset/maybe-decode-buffer)
- ))
-
-(defun mime-charset/decode-buffer (charset &optional encoding)
- (decode-mime-charset-region (point-min)(point-max)
- (or charset default-mime-charset))
+(defun mime-text-insert-decoded-body (entity)
+ "Insert text body of ENTITY in SITUATION.
+It decodes MIME-encoding then code-converts as MIME-charset.
+MIME-encoding is value of field 'encoding of SITUATION. It must be
+'nil or string. MIME-charset is value of field \"charset\" of
+SITUATION. It must be symbol."
+ (let ((str (mime-entity-content entity)))
+ (insert
+ (if (and (mime-entity-cooked-p entity)
+ (member (mime-entity-encoding entity)
+ '(nil "7bit" "8bit" "binary")))
+ str
+ (decode-mime-charset-string str
+ (or (mime-content-type-parameter
+ (mime-entity-content-type entity)
+ "charset")
+ default-mime-charset))
+ )))
+ (run-hooks 'mime-text-decode-hook)
)
-(defun mime-charset/maybe-decode-buffer (charset &optional encoding)
- (or (member encoding '(nil "7bit" "8bit" "binary"))
- (mime-charset/decode-buffer charset)
- ))
-
-(defun mime-preview/decode-text-buffer (charset encoding)
- (mime-decode-region (point-min) (point-max) encoding)
- (let ((m (save-excursion
- (set-buffer mime::preview/article-buffer)
- (or mime-raw::text-decoder
- (cdr (or (assq major-mode mime-text-decoder-alist)
- (assq t mime-text-decoder-alist)))
- ))))
- (and (functionp m)
- (funcall m charset encoding)
- )))
-
;;; @ for URL
;;;
)
))
+(defsubst mime-text-add-url-buttons ()
+ "Add URL-buttons for text body."
+ (goto-char (point-min))
+ (while (re-search-forward mime-text-url-regexp nil t)
+ (let ((beg (match-beginning 0))
+ (end (match-end 0)))
+ (mime-add-button beg end #'mime-text-browse-url
+ (list (buffer-substring beg end)))
+ )))
+
+(defun mime-text-add-url-buttons-maybe ()
+ "Add URL-buttons if 'browse-url-browser-function is not 'nil."
+ (if browse-url-browser-function
+ (mime-text-add-url-buttons)
+ ))
+
;;; @ content filters for mime-text
;;;
-(defun mime-preview/filter-for-text/plain (ctype params encoding)
- (mime-preview/decode-text-buffer (cdr (assoc "charset" params)) 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))
- (while (re-search-forward mime-text-url-regexp nil t)
- (let ((beg (match-beginning 0))
- (end (match-end 0)))
- (mime-add-button beg end
- (function mime-text-browse-url)
- (list (buffer-substring beg end))))
- )))
- (run-hooks 'mime-view-plain-text-preview-hook)
- )
-
-(defun mime-preview/filter-for-text/richtext (ctype params encoding)
- (let* ((charset (cdr (assoc "charset" params)))
- (beg (point-min))
- )
- (remove-text-properties beg (point-max) '(face nil))
- (mime-preview/decode-text-buffer charset encoding)
- (richtext-decode beg (point-max))
+(defun mime-display-text/plain (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-text-insert-decoded-body entity)
+ (goto-char (point-max))
+ (if (not (eq (char-after (1- (point))) ?\n))
+ (insert "\n")
+ )
+ (mime-text-add-url-buttons)
+ (run-hooks 'mime-display-text/plain-hook)
))
-(defun mime-preview/filter-for-text/enriched (ctype params encoding)
- (let* ((charset (cdr (assoc "charset" params)))
- (beg (point-min))
- )
- (remove-text-properties beg (point-max) '(face nil))
- (mime-preview/decode-text-buffer charset encoding)
- (enriched-decode beg (point-max))
- ))
+(defun mime-display-text/richtext (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-text-insert-decoded-body entity)
+ (let ((beg (point-min)))
+ (remove-text-properties beg (point-max) '(face nil))
+ (richtext-decode beg (point-max))
+ )))
+
+(defun mime-display-text/enriched (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-text-insert-decoded-body entity)
+ (let ((beg (point-min)))
+ (remove-text-properties beg (point-max) '(face nil))
+ (enriched-decode beg (point-max))
+ )))
;;; @ end