1 ;;; emu-mule.el --- emu module for Mule 1.* and Mule 2.*
3 ;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Version: $Id: emu-mule.el,v 7.63 1997/05/22 04:46:57 morioka Exp $
7 ;; Keywords: emulation, compatibility, Mule
9 ;; This file is part of emu.
11 ;; This program is free software; you can redistribute it and/or
12 ;; modify it under the terms of the GNU General Public License as
13 ;; published by the Free Software Foundation; either version 2, or (at
14 ;; your option) any later version.
16 ;; This program is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
28 ;;; @ version specific features
31 (cond (running-emacs-19
34 ;; Suggested by SASAKI Osamu <osamu@shuugr.bekkoame.or.jp>
35 ;; (cf. [os2-emacs-ja:78])
36 (defun fontset-pixel-size (fontset)
37 (let* ((font (get-font-info
38 (aref (cdr (get-fontset-info fontset)) 0)))
43 (let ((pat (aref font 1)))
44 (if (string-match "-[0-9]+-" pat)
47 pat (1+ (match-beginning 0)) (1- (match-end 0))))
53 (defun make-overlay (beg end &optional buffer type))
54 (defun overlay-put (overlay prop value))
61 (defalias 'make-char 'make-character)
63 (defalias 'find-non-ascii-charset-string 'find-charset-string)
64 (defalias 'find-non-ascii-charset-region 'find-charset-region)
66 (defalias 'charset-bytes 'char-bytes)
67 (defalias 'charset-description 'char-description)
68 (defalias 'charset-registry 'char-registry)
69 (defalias 'charset-columns 'char-width)
70 (defalias 'charset-direction 'char-direction)
76 (defun encode-coding-region (start end coding-system)
77 "Encode the text between START and END to CODING-SYSTEM.
78 \[emu-mule.el; EMACS 20 emulating function]"
79 (code-convert-region start end *internal* coding-system)
82 (defun decode-coding-string (str coding-system)
83 "Decode the string STR which is encoded in CODING-SYSTEM.
85 (let ((len (length str))
91 (code-convert-string (substring str 0 len)
92 coding-system *internal*))
96 (concat ret (substring str len))
99 (defalias 'detect-coding-region 'code-detect-region)
101 (defalias 'set-buffer-file-coding-system 'set-file-coding-system)
103 (defmacro as-binary-process (&rest body)
104 (` (let (selective-display ; Disable ^M to nl translation.
107 (default-process-coding-system (cons *noconv* *noconv*))
108 program-coding-system-alist)
112 (defmacro as-binary-input-file (&rest body)
114 (file-coding-system-for-read *noconv*)
119 (defmacro as-binary-output-file (&rest body)
121 (file-coding-system *noconv*)
126 (defalias 'set-process-input-coding-system 'set-process-coding-system)
132 (defun insert-binary-file-contents-literally
133 (filename &optional visit beg end replace)
134 "Like `insert-file-contents-literally', q.v., but don't code conversion.
135 A buffer may be modified in several ways after reading into the buffer due
136 to advanced Emacs features, such as file-name-handlers, format decoding,
137 find-file-hooks, etc.
138 This function ensures that none of these modifications will take place."
140 (file-coding-system *noconv*)
142 (insert-file-contents-literally filename visit beg end replace)
149 (defvar charsets-mime-charset-alist
151 (cons (list lc-ascii) 'us-ascii)
152 (cons (list lc-ascii lc-ltn1) 'iso-8859-1)
153 (cons (list lc-ascii lc-ltn2) 'iso-8859-2)
154 (cons (list lc-ascii lc-ltn3) 'iso-8859-3)
155 (cons (list lc-ascii lc-ltn4) 'iso-8859-4)
156 ;;;(cons (list lc-ascii lc-crl) 'iso-8859-5)
157 (cons (list lc-ascii lc-crl) 'koi8-r)
158 (cons (list lc-ascii lc-arb) 'iso-8859-6)
159 (cons (list lc-ascii lc-grk) 'iso-8859-7)
160 (cons (list lc-ascii lc-hbw) 'iso-8859-8)
161 (cons (list lc-ascii lc-ltn5) 'iso-8859-9)
162 (cons (list lc-ascii lc-roman lc-jpold lc-jp) 'iso-2022-jp)
163 (cons (list lc-ascii lc-kr) 'euc-kr)
164 (cons (list lc-ascii lc-cn) 'gb2312)
165 (cons (list lc-ascii lc-big5-1 lc-big5-2) 'big5)
166 (cons (list lc-ascii lc-roman lc-ltn1 lc-grk
167 lc-jpold lc-cn lc-jp lc-kr lc-jp2) 'iso-2022-jp-2)
168 (cons (list lc-ascii lc-roman lc-ltn1 lc-grk
169 lc-jpold lc-cn lc-jp lc-kr lc-jp2
170 lc-cns1 lc-cns2) 'iso-2022-int-1)
171 (cons (list lc-ascii lc-roman
172 lc-ltn1 lc-ltn2 lc-crl lc-grk
173 lc-jpold lc-cn lc-jp lc-kr lc-jp2
174 lc-cns1 lc-cns2 lc-cns3 lc-cns4
175 lc-cns5 lc-cns6 lc-cns7) 'iso-2022-int-1)
178 (defvar default-mime-charset 'x-ctext)
180 (defvar mime-charset-coding-system-alist
181 '((iso-8859-1 . *ctext*)
183 (gb2312 . *euc-china*)
185 (iso-2022-jp-2 . *iso-2022-ss2-7*)
186 (x-iso-2022-jp-2 . *iso-2022-ss2-7*)
188 (x-shiftjis . *sjis*)
191 (defun mime-charset-to-coding-system (charset &optional lbt)
192 (if (stringp charset)
193 (setq charset (intern (downcase charset)))
196 (or (cdr (assq charset mime-charset-coding-system-alist))
197 (let ((cs (intern (concat "*" (symbol-name charset) "*"))))
198 (and (coding-system-p cs) cs)
203 (intern (concat (symbol-name cs) (symbol-name lbt)))
206 (defun detect-mime-charset-region (start end)
207 "Return MIME charset for region between START and END.
209 (charsets-to-mime-charset
210 (cons lc-ascii (find-charset-region start end))))
212 (defun encode-mime-charset-region (start end charset)
213 "Encode the text between START and END as MIME CHARSET.
215 (let ((cs (mime-charset-to-coding-system charset)))
217 (code-convert start end *internal* cs)
220 (defun decode-mime-charset-region (start end charset)
221 "Decode the text between START and END as MIME CHARSET.
223 (let ((cs (mime-charset-to-coding-system charset)))
225 (code-convert start end cs *internal*)
228 (defun encode-mime-charset-string (string charset)
229 "Encode the STRING as MIME CHARSET. [emu-mule.el]"
230 (let ((cs (mime-charset-to-coding-system charset)))
232 (code-convert-string string *internal* cs)
235 (defun decode-mime-charset-string (string charset)
236 "Decode the STRING which is encoded in MIME CHARSET. [emu-mule.el]"
237 (let ((cs (mime-charset-to-coding-system charset)))
239 (decode-coding-string string cs)
246 (defalias 'char-charset 'char-leading-char)
248 (defalias 'char-length 'char-bytes)
250 (defalias 'char-columns 'char-width)
256 (defalias 'string-columns 'string-width)
258 (defalias 'string-to-int-list 'string-to-char-list)
260 (or (fboundp 'truncate-string)
261 ;;; Imported from Mule-2.3
262 (defun truncate-string (str width &optional start-column)
263 "Truncate STR to fit in WIDTH columns.
264 Optional non-nil arg START-COLUMN specifies the starting column.
265 \[emu-mule.el; Mule 2.3 emulating function]"
267 (setq start-column 0))
268 (let ((max-width (string-width str))
273 (if (>= width max-width)
274 (setq width max-width))
275 (if (>= start-column width)
277 (while (< column start-column)
278 (setq ch (aref str from)
279 column (+ column (char-width ch))
280 from (+ from (char-bytes ch))))
281 (if (< width max-width)
284 (while (<= column width)
285 (setq ch (aref str to)
286 column (+ column (char-width ch))
288 to (+ to (char-bytes ch))))
290 (substring str from to))))
298 (defun regulate-latin-char (chr)
299 (cond ((and (<= ?
\e$B#A
\e(B chr)(<= chr ?
\e$B#Z
\e(B))
300 (+ (- chr ?
\e$B#A
\e(B) ?A)
302 ((and (<= ?
\e$B#a
\e(B chr)(<= chr ?
\e$B#z
\e(B))
303 (+ (- chr ?
\e$B#a
\e(B) ?a)
305 ((eq chr ?
\e$B!%
\e(B) ?.)
306 ((eq chr ?
\e$B!$
\e(B) ?,)
310 (defun regulate-latin-string (str)
311 (let ((len (length str))
315 (setq chr (sref str i))
316 (setq dest (concat dest
317 (char-to-string (regulate-latin-char chr))))
318 (setq i (+ i (char-bytes chr)))
328 ;;; emu-mule.el ends here