2 ;;; emu-mule.el --- Mule 2.* emulation module for Mule
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
9 ;;; $Id: emu-mule.el,v 7.31 1996/07/08 07:46:02 morioka Exp $
10 ;;; Keywords: emulation, compatibility, Mule
12 ;;; This file is part of tl (Tiny Library).
14 ;;; This program is free software; you can redistribute it and/or
15 ;;; modify it under the terms of the GNU General Public License as
16 ;;; published by the Free Software Foundation; either version 2, or
17 ;;; (at your option) any later version.
19 ;;; This program is distributed in the hope that it will be useful,
20 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 ;;; General Public License for more details.
24 ;;; You should have received a copy of the GNU General Public License
25 ;;; along with This program. If not, write to the Free Software
26 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
30 ;;; @ version specific features
33 (cond (running-emacs-19
36 ;; Suggested by SASAKI Osamu <osamu@shuugr.bekkoame.or.jp>
37 ;; (cf. [os2-emacs-ja:78])
38 (defun fontset-pixel-size (fontset)
39 (let* ((font (get-font-info
40 (aref (cdr (get-fontset-info fontset)) 0)))
45 (let ((pat (aref font 1)))
46 (if (string-match "-[0-9]+-" pat)
49 pat (1+ (match-beginning 0)) (1- (match-end 0))))
55 (defun tl:make-overlay (beg end &optional buffer type))
56 (defun tl:overlay-put (overlay prop value))
64 (defconst charset-ascii lc-ascii "ASCII")
65 (defconst charset-jisx0201-kana lc-kana "JIS X0201 Katakana")
66 (defconst charset-jisx0201-latin lc-roman "JIS X0201 Latin")
69 (defconst charset-latin-1 lc-ltn1 "ISO-8859-1 (Latin-1)")
70 (defconst charset-latin-2 lc-ltn2 "ISO-8859-2 (Latin-2)")
71 (defconst charset-latin-3 lc-ltn3 "ISO-8859-3 (Latin-3)")
72 (defconst charset-latin-4 lc-ltn4 "ISO-8859-4 (Latin-4)")
73 (defconst charset-cyrillic lc-crl "ISO-8859-5 (Cyrillic)")
74 (defconst charset-arabic lc-arb "ISO-8859-6 (Arabic)")
75 (defconst charset-greek lc-grk "ISO-8859-7 (Greek)")
76 (defconst charset-hebrew lc-hbw "ISO-8859-8 (Hebrew)")
77 (defconst charset-latin-5 lc-ltn5 "ISO-8859-9 (Latin-5)")
79 ;; 94x94 character set
80 (defconst charset-jisx0208-1978 lc-jpold "JIS X0208-1978")
81 (defconst charset-gb2312 lc-cn "GB 2312-1980")
82 (defconst charset-jisx0208 lc-jp "JIS X0208-1983")
83 (defconst charset-ksc5601 lc-kr "KS C5601-1987")
84 (defconst charset-jisx0212 lc-jp2 "JIS X0212-1990")
85 (defconst charset-cns11643-1 lc-cns1 "CNS 11643-1986 plane 1")
86 (defconst charset-cns11643-2 lc-cns2 "CNS 11643-1986 plane 2")
87 (defconst charset-cns11643-3 lc-cns3 "CNS 11643-1986 plane 3")
88 (defconst charset-cns11643-4 lc-cns4 "CNS 11643-1986 plane 4")
89 (defconst charset-cns11643-5 lc-cns5 "CNS 11643-1986 plane 5")
90 (defconst charset-cns11643-6 lc-cns6 "CNS 11643-1986 plane 6")
91 (defconst charset-cns11643-7 lc-cns7 "CNS 11643-1986 plane 7")
94 (defconst charset-big5-1 lc-big5-1 "Big5 Level 1")
95 (defconst charset-big5-2 lc-big5-2 "Big5 Level 2")
97 (defalias 'charset-description 'char-description)
98 (defalias 'charset-registry 'char-registry)
99 (defalias 'charset-columns 'char-width)
100 (defalias 'charset-direction 'char-direction)
106 (defun character-encode-string (str coding-system)
107 "Encode the string STR which is encoded in CODING-SYSTEM.
109 (code-convert-string str *internal* coding-system)
112 (defun character-decode-string (str coding-system)
113 "Decode the string STR which is encoded in CODING-SYSTEM.
115 (let ((len (length str))
121 (code-convert-string (substring str 0 len)
122 coding-system *internal*))
126 (concat ret (substring str len))
129 (defun character-encode-region (start end coding-system)
130 "Encode the text between START and END which is
131 encoded in CODING-SYSTEM. [emu-mule.el]"
132 (code-convert start end *internal* coding-system)
135 (defun character-decode-region (start end coding-system)
136 "Decode the text between START and END which is
137 encoded in CODING-SYSTEM. [emu-mule.el]"
138 (code-convert start end coding-system *internal*)
141 (defmacro as-binary-process (&rest body)
142 (` (let (selective-display ; Disable ^M to nl translation.
145 (default-process-coding-system (cons *noconv* *noconv*))
146 program-coding-system-alist)
154 (defvar charsets-mime-charset-alist
156 (cons (list lc-ascii) 'us-ascii)
157 (cons (list lc-ascii lc-ltn1) 'iso-8859-1)
158 (cons (list lc-ascii lc-ltn2) 'iso-8859-2)
159 (cons (list lc-ascii lc-ltn3) 'iso-8859-3)
160 (cons (list lc-ascii lc-ltn4) 'iso-8859-4)
161 ;;;(cons (list lc-ascii lc-crl) 'iso-8859-5)
162 (cons (list lc-ascii lc-crl) 'koi8-r)
163 (cons (list lc-ascii lc-arb) 'iso-8859-6)
164 (cons (list lc-ascii lc-grk) 'iso-8859-7)
165 (cons (list lc-ascii lc-hbw) 'iso-8859-8)
166 (cons (list lc-ascii lc-ltn5) 'iso-8859-9)
167 (cons (list lc-ascii lc-jp) 'iso-2022-jp)
168 (cons (list lc-ascii lc-kr) 'euc-kr)
169 (cons (list lc-ascii lc-big5-1 lc-big5-2) 'big5)
170 (cons (list lc-ascii lc-cn lc-jp lc-kr lc-jp2
171 lc-ltn1 lc-grk) 'iso-2022-jp-2)
172 (cons (list lc-ascii lc-cn lc-jp lc-kr lc-jp2
173 lc-cns1 lc-cns2 lc-ltn1 lc-grk) 'iso-2022-int-1)
176 (defvar default-mime-charset 'iso-2022-int-1)
178 (defun charsets-to-mime-charset (charsets)
181 (let ((rest charsets-mime-charset-alist)
183 (while (setq cell (car rest))
184 (if (catch 'not-subset
185 (let ((set1 charsets)
189 (setq obj (car set1))
191 (throw 'not-subset nil)
193 (setq set1 (cdr set1))
196 (throw 'tag (cdr cell))
198 (setq rest (cdr rest))
200 default-mime-charset)))
202 (defun detect-mime-charset-region (beg end)
203 (charsets-to-mime-charset
204 (cons lc-ascii (find-charset-region beg end))))
206 (defvar mime-charset-coding-system-alist
207 '((iso-8859-1 . *ctext*)
208 (gb2312 . *euc-china*)
210 (iso-2022-jp-2 . *iso-2022-ss2-7*)
211 (x-iso-2022-jp-2 . *iso-2022-ss2-7*)
213 (x-shiftjis . *sjis*)
216 (defun mime-charset-to-coding-system (charset)
217 (if (stringp charset)
218 (setq charset (intern (downcase charset)))
220 (or (cdr (assq charset mime-charset-coding-system-alist))
221 (let ((cs (intern (concat "*" (symbol-name charset) "*"))))
222 (and (coding-system-p cs) cs)
229 (defalias 'char-charset 'char-leading-char)
231 (defalias 'char-length 'char-bytes)
233 (defalias 'char-columns 'char-width)
239 (defalias 'string-columns 'string-width)
241 (defalias 'string-to-int-list 'string-to-char-list)
243 (or (fboundp 'truncate-string)
244 ;;; Imported from Mule-2.3
245 (defun truncate-string (str width &optional start-column)
246 "Truncate STR to fit in WIDTH columns.
247 Optional non-nil arg START-COLUMN specifies the starting column.
248 \[emu-mule.el; Mule 2.3 emulating function]"
250 (setq start-column 0))
251 (let ((max-width (string-width str))
256 (if (>= width max-width)
257 (setq width max-width))
258 (if (>= start-column width)
260 (while (< column start-column)
261 (setq ch (aref str from)
262 column (+ column (char-width ch))
263 from (+ from (char-bytes ch))))
264 (if (< width max-width)
267 (while (<= column width)
268 (setq ch (aref str to)
269 column (+ column (char-width ch))
271 to (+ to (char-bytes ch))))
273 (substring str from to))))
281 (defun regulate-latin-char (chr)
282 (cond ((and (<= ?
\e$B#A
\e(B chr)(<= chr ?
\e$B#Z
\e(B))
283 (+ (- chr ?
\e$B#A
\e(B) ?A)
285 ((and (<= ?
\e$B#a
\e(B chr)(<= chr ?
\e$B#z
\e(B))
286 (+ (- chr ?
\e$B#a
\e(B) ?a)
288 ((eq chr ?
\e$B!%
\e(B) ?.)
289 ((eq chr ?
\e$B!$
\e(B) ?,)
293 (defun regulate-latin-string (str)
294 (let ((len (length str))
298 (setq chr (sref str i))
299 (setq dest (concat dest
300 (char-to-string (regulate-latin-char chr))))
301 (setq i (+ i (char-bytes chr)))
311 ;;; emu-mule.el ends here