2 ;;; $Id: tm-mule.el,v 5.3 1995/01/27 14:53:01 morioka Exp $
10 (if (not (fboundp 'member))
17 (defvar mime/default-charset *ctext*)
19 (defvar mime/lc-charset-and-encoding-alist
22 (cons lc-jp '("ISO-2022-JP" . "B"))
23 (cons lc-cn '("ISO-2022-CN" . "B"))
24 (cons lc-kr '("EUC-KR" . "B"))
25 (cons lc-ltn1 '("ISO-8859-1" . "Q"))
26 (cons lc-ltn2 '("ISO-8859-2" . "Q"))
27 (cons lc-ltn3 '("ISO-8859-3" . "Q"))
28 (cons lc-ltn4 '("ISO-8859-4" . "Q"))
29 (cons lc-crl '("ISO-8859-5" . "B"))
30 (cons lc-arb '("ISO-8859-6" . "B"))
31 (cons lc-grk '("ISO-8859-7" . "B"))
32 (cons lc-hbw '("ISO-8859-8" . "B"))
33 (cons lc-ltn5 '("ISO-8859-9" . "Q"))
36 (defvar mime/latin-lc-list
37 (list lc-ascii lc-ltn1 lc-ltn2 lc-ltn3 lc-ltn4 lc-ltn5))
39 (defvar mime/charset-coding-system-alist
40 '(("ISO-2022-JP" . *iso-2022-ss2-7*)
41 ("ISO-2022-JP-2" . *iso-2022-ss2-7*)
42 ("X-ISO-2022-JP-2" . *iso-2022-ss2-7*)
43 ("ISO-2022-CN" . *iso-2022-ss2-7*)
44 ("ISO-2022-KR" . *iso-2022-kr*)
46 ("ISO-8859-1" . *ctext*)
49 (defvar mime/charset-lc-alist
51 (cons "ISO-8859-1" lc-ltn1) ; Latin-1
52 (cons "ISO-8859-2" lc-ltn2) ; Latin-2
53 (cons "ISO-8859-3" lc-ltn3) ; Latin-3
54 (cons "ISO-8859-4" lc-ltn4) ; Latin-4
55 (cons "ISO-8859-5" lc-crl ) ; Cyrillic
56 (cons "ISO-8859-6" lc-arb ) ; Arabic
57 (cons "ISO-8859-7" lc-grk ) ; Greek
58 (cons "ISO-8859-8" lc-hbw ) ; Hebrew
59 (cons "ISO-8859-9" lc-ltn5) ; Latin-5
63 ;;; @ define charset and encoding
65 (defun mime/set-charset-and-encoding (lc cs charset encoding)
66 (setq mime/lc-charset-and-encoding-alist
67 (put-alist lc (cons charset encoding)
68 mime/lc-charset-and-encoding-alist))
70 (setq mime/charset-coding-system-alist
71 (put-alist charset cs mime/charset-coding-system-alist))
72 (setq mime/charset-lc-alist
73 (put-alist charset lc mime/charset-lc-alist))
77 ;;; (mime/set-charset-and-encoding lc-kr *euc-kr* "EUC-KR" "B")
78 ;;; (mime/set-charset-and-encoding lc-koi8 nil "KOI8" "B")
81 (defun mime/remove-leading-character (str)
82 (let ((dest "") (i 0) (len (length str)) chr)
84 (setq chr (elt str i))
87 (setq dest (concat dest (char-to-string chr)))
91 (setq dest (concat dest (char-to-string (elt str (+ i 1)))))
97 (defun mime/insert-leading-character (str lc)
98 (let ((lc-str (char-to-string lc))
100 (i 0) (len (length str))
103 (setq chr (elt str i))
104 (setq chr-str (char-to-string chr))
105 (setq dest (concat dest
108 (concat lc-str chr-str)
114 (defun mime/convert-string-to-emacs (charset str)
115 (let ((cs (cdr (assoc charset mime/charset-coding-system-alist))))
117 (code-convert-string str cs *internal*)
120 (let ((lc (cdr (assoc charset mime/charset-lc-alist))))
122 (mime/insert-leading-character str lc)
126 (defun mime/convert-string-from-emacs (str charset)
127 (let ((cs (cdr (assoc charset mime/charset-coding-system-alist))))
129 (code-convert-string str *internal* cs)
132 (if (assoc charset mime/charset-lc-alist)
133 (mime/remove-leading-character str)
137 (defun mime/decode-encoded-text (charset encoding str)
138 (mime/convert-string-to-emacs
140 (cond ((string-match "^B$" encoding)
141 (mime/base64-decode-string str))
142 ((string-match "^Q$" encoding)
143 (mime/Quoted-Printable-decode-string str))
144 (t (message "unknown encoding %s" encoding) str)
148 (defun mime/code-convert-region-to-emacs (beg end charset)
149 (if (stringp charset)
151 (setq charset (upcase charset))
152 (let ((ct (cdr (assoc charset mime/charset-coding-system-alist))))
154 (code-convert beg end ct *internal*)
156 (if mime/default-charset
157 (code-convert beg end mime/default-charset *internal*)