2 ;;; $Id: tm-mule.el,v 5.0 1994/10/19 23:47:58 morioka Exp $
10 (if (not (fboundp 'member))
17 (defvar mime/lc-charset-and-encoding-alist
20 (cons lc-jp '("ISO-2022-JP" . "B"))
21 (cons lc-cn '("ISO-2022-CN" . "B"))
22 (cons lc-kr '("ISO-2022-KR" . "B"))
23 (cons lc-ltn1 '("ISO-8859-1" . "Q"))
24 (cons lc-ltn2 '("ISO-8859-2" . "Q"))
25 (cons lc-ltn3 '("ISO-8859-3" . "Q"))
26 (cons lc-ltn4 '("ISO-8859-4" . "Q"))
27 (cons lc-crl '("ISO-8859-5" . "B"))
28 (cons lc-arb '("ISO-8859-6" . "B"))
29 (cons lc-grk '("ISO-8859-7" . "B"))
30 (cons lc-hbw '("ISO-8859-8" . "B"))
31 (cons lc-ltn5 '("ISO-8859-9" . "Q"))
34 (defvar mime/latin-lc-list
35 (list lc-ascii lc-ltn1 lc-ltn2 lc-ltn3 lc-ltn4 lc-ltn5))
37 (defvar mime/charset-coding-system-alist
38 '(("ISO-2022-JP" . *iso-2022-ss2-7*)
39 ("ISO-2022-JP-2" . *iso-2022-ss2-7*)
40 ("X-ISO-2022-JP-2" . *iso-2022-ss2-7*)
41 ("ISO-2022-CN" . *iso-2022-ss2-7*)
42 ("ISO-2022-KR" . *iso-2022-kr*)
46 (defvar mime/charset-lc-alist
48 (cons "ISO-8859-1" lc-ltn1) ; Latin-1
49 (cons "ISO-8859-2" lc-ltn2) ; Latin-2
50 (cons "ISO-8859-3" lc-ltn3) ; Latin-3
51 (cons "ISO-8859-4" lc-ltn4) ; Latin-4
52 (cons "ISO-8859-5" lc-crl ) ; Cyrillic
53 (cons "ISO-8859-6" lc-arb ) ; Arabic
54 (cons "ISO-8859-7" lc-grk ) ; Greek
55 (cons "ISO-8859-8" lc-hbw ) ; Hebrew
56 (cons "ISO-8859-9" lc-ltn5) ; Latin-5
60 ;;; @ define charset and encoding
62 (defun mime/set-charset-and-encoding (lc cs charset encoding)
63 (setq mime/lc-charset-and-encoding-alist
64 (put-alist lc (cons charset encoding)
65 mime/lc-charset-and-encoding-alist))
67 (setq mime/charset-coding-system-alist
68 (put-alist charset cs mime/charset-coding-system-alist))
69 (setq mime/charset-lc-alist
70 (put-alist charset lc mime/charset-lc-alist))
74 ;;; (mime/set-charset-and-encoding lc-kr *euc-kr* "EUC-KR" "B")
75 ;;; (mime/set-charset-and-encoding lc-koi8 nil "KOI8" "B")
78 (defun mime/remove-leading-character (str)
79 (let ((dest "") (i 0) (len (length str)) chr)
81 (setq chr (elt str i))
84 (setq dest (concat dest (char-to-string chr)))
88 (setq dest (concat dest (char-to-string (elt str (+ i 1)))))
94 (defun mime/insert-leading-character (str lc)
95 (let ((lc-str (char-to-string lc))
97 (i 0) (len (length str))
100 (setq chr (elt str i))
101 (setq chr-str (char-to-string chr))
102 (setq dest (concat dest
105 (concat lc-str chr-str)
111 (defun mime/convert-string-to-emacs (charset str)
112 (let ((cs (cdr (assoc charset mime/charset-coding-system-alist))))
114 (code-convert-string str cs *internal*)
117 (let ((lc (cdr (assoc charset mime/charset-lc-alist))))
119 (mime/insert-leading-character str lc)
123 (defun mime/convert-string-from-emacs (str charset)
124 (let ((cs (cdr (assoc charset mime/charset-coding-system-alist))))
126 (code-convert-string str *internal* cs)
129 (if (assoc charset mime/charset-lc-alist)
130 (mime/remove-leading-character str)
134 (defun mime/decode-encoded-text (charset encoding str)
135 (mime/convert-string-to-emacs
137 (cond ((string-match "^B$" encoding) (mime/base64-decode-string str))
138 ((string-match "^Q$" encoding) (mime/Quoted-Printable-decode-string str))
139 (t (message "unknown encoding %s" encoding) str)