2 ;;; $Id: tm-mule.el,v 5.4 1995/04/20 13:57:31 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*)
47 ("ISO-8859-2" . *iso-8859-2*)
48 ("ISO-8859-3" . *iso-8859-3*)
49 ("ISO-8859-4" . *iso-8859-4*)
50 ("ISO-8859-5" . *iso-8859-5*)
51 ("ISO-8859-7" . *iso-8859-7*)
52 ("ISO-8859-8" . *iso-8859-8*)
53 ("ISO-8859-9" . *iso-8859-9*)
56 (defvar mime/charset-lc-alist
58 (cons "ISO-8859-1" lc-ltn1) ; Latin-1
59 (cons "ISO-8859-2" lc-ltn2) ; Latin-2
60 (cons "ISO-8859-3" lc-ltn3) ; Latin-3
61 (cons "ISO-8859-4" lc-ltn4) ; Latin-4
62 (cons "ISO-8859-5" lc-crl ) ; Cyrillic
63 ;;;(cons "ISO-8859-6" lc-arb ) ; Arabic
64 (cons "ISO-8859-7" lc-grk ) ; Greek
65 (cons "ISO-8859-8" lc-hbw ) ; Hebrew
66 (cons "ISO-8859-9" lc-ltn5) ; Latin-5
70 ;;; @ define charset and encoding
72 (defun mime/set-charset-and-encoding (lc cs charset encoding)
73 (setq mime/lc-charset-and-encoding-alist
74 (put-alist lc (cons charset encoding)
75 mime/lc-charset-and-encoding-alist))
77 (setq mime/charset-coding-system-alist
78 (put-alist charset cs mime/charset-coding-system-alist))
79 (setq mime/charset-lc-alist
80 (put-alist charset lc mime/charset-lc-alist))
84 ;;; (mime/set-charset-and-encoding lc-kr *euc-kr* "EUC-KR" "B")
85 ;;; (mime/set-charset-and-encoding lc-koi8 nil "KOI8" "B")
88 (defun mime/remove-leading-character (str)
89 (let ((dest "") (i 0) (len (length str)) chr)
91 (setq chr (elt str i))
94 (setq dest (concat dest (char-to-string chr)))
98 (setq dest (concat dest (char-to-string (elt str (+ i 1)))))
104 (defun mime/insert-leading-character (str lc)
105 (let ((lc-str (char-to-string lc))
107 (i 0) (len (length str))
110 (setq chr (elt str i))
111 (setq chr-str (char-to-string chr))
112 (setq dest (concat dest
115 (concat lc-str chr-str)
121 (defun mime/convert-string-to-emacs (charset str)
122 (let ((cs (cdr (assoc charset mime/charset-coding-system-alist))))
124 (code-convert-string str cs *internal*)
127 (let ((lc (cdr (assoc charset mime/charset-lc-alist))))
129 (mime/insert-leading-character str lc)
133 (defun mime/convert-string-from-emacs (str charset)
134 (let ((cs (cdr (assoc charset mime/charset-coding-system-alist))))
136 (code-convert-string str *internal* cs)
139 (if (assoc charset mime/charset-lc-alist)
140 (mime/remove-leading-character str)
144 (defun mime/decode-encoded-text (charset encoding str)
145 (mime/convert-string-to-emacs
147 (cond ((string-match "^B$" encoding)
148 (mime/base64-decode-string str))
149 ((string-match "^Q$" encoding)
150 (mime/Quoted-Printable-decode-string str))
151 (t (message "unknown encoding %s" encoding) str)
155 (defun mime/code-convert-region-to-emacs (beg end charset)
156 (if (stringp charset)
158 (setq charset (upcase charset))
159 (let ((ct (cdr (assoc charset mime/charset-coding-system-alist))))
161 (code-convert beg end ct *internal*)
163 (if mime/default-charset
164 (code-convert beg end mime/default-charset *internal*)