;;; eword-encode.el --- RFC 2047 based encoded-word encoder for GNU Emacs
-;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Revision: 0.30 $
;; Keywords: encoded-word, MIME, multilingual, header, mail, news
-;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+;; This file is part of SEMI (Spadework for 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
;;;
(defconst eword-encode-RCS-ID
- "$Id: eword-encode.el,v 0.30 1997-07-13 19:30:26 morioka Exp $")
+ "$Id: eword-encode.el,v 1.1 1998-03-12 19:10:12 morioka Exp $")
(defconst eword-encode-version (get-version-string eword-encode-RCS-ID))
If method is nil, this field will not be encoded.")
-(defvar eword-generate-X-Nsubject nil
- "*If it is not nil, X-Nsubject field is generated
-when Subject field is encoded by `eword-encode-header'.")
-
(defvar eword-charset-encoding-alist
'((us-ascii . nil)
(iso-8859-1 . "Q")
resent-reply-to resent-from
resent-sender to resent-to
cc resent-cc
- bcc resent-bcc dcc)
+ bcc resent-bcc dcc
+ mime-version)
)
(car (tm-eword::encode-address-list
(+ (length field-name) 2) field-body))
(if (and str (string-match eword-encoded-word-regexp str))
str)))
+(defsubst eword-find-field-encoding-method (field-name)
+ (setq field-name (downcase field-name))
+ (let ((alist eword-field-encoding-method-alist))
+ (catch 'found
+ (while alist
+ (let* ((pair (car alist))
+ (str (car pair)))
+ (if (and (stringp str)
+ (string= field-name (downcase str)))
+ (throw 'found (cdr pair))
+ ))
+ (setq alist (cdr alist)))
+ (cdr (assq t eword-field-encoding-method-alist))
+ )))
+
(defun eword-encode-header (&optional code-conversion)
"Encode header fields to network representation, such as MIME encoded-word.
(setq field-name (buffer-substring beg (1- (match-end 0))))
(setq end (std11-field-end))
(and (find-non-ascii-charset-region beg end)
- (let ((ret (or (let ((fname (downcase field-name)))
- (assoc-if
- (function
- (lambda (str)
- (and (stringp str)
- (string= fname (downcase str))
- )))
- eword-field-encoding-method-alist))
- (assq t eword-field-encoding-method-alist)
- )))
- (if ret
- (let ((method (cdr ret)))
- (cond ((eq method 'mime)
- (let ((field
- (buffer-substring-no-properties beg end)
- ))
- (delete-region beg end)
- (insert (eword-encode-field field))
- ))
- (code-conversion
- (let ((cs
- (or (mime-charset-to-coding-system
- method)
- default-cs)))
- (encode-coding-region beg end cs)
- )))
- ))
+ (let ((method (eword-find-field-encoding-method
+ (downcase field-name))))
+ (cond ((eq method 'mime)
+ (let ((field
+ (buffer-substring-no-properties beg end)
+ ))
+ (delete-region beg end)
+ (insert (eword-encode-field field))
+ ))
+ (code-conversion
+ (let ((cs
+ (or (mime-charset-to-coding-system
+ method)
+ default-cs)))
+ (encode-coding-region beg end cs)
+ )))
))
))
- (and eword-generate-X-Nsubject
- (or (std11-field-body "X-Nsubject")
- (let ((str (eword-in-subject-p)))
- (if str
- (progn
- (setq str
- (eword-decode-string
- (std11-unfold-string str)))
- (if code-conversion
- (setq str
- (encode-mime-charset-string
- str
- (or (cdr (assoc-if
- (function
- (lambda (str)
- (and (stringp str)
- (string= "x-nsubject"
- (downcase str))
- )))
- eword-field-encoding-method-alist))
- 'iso-2022-jp-2)))
- )
- (insert (concat "\nX-Nsubject: " str))
- )))))
)))
(defun eword-encode-string (str &optional column mode)