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 7.64 1997/08/30 09:42:40 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-region (start end coding-system)
83 "Decode the text between START and END which is encoded in CODING-SYSTEM.
84 \[emu-mule.el; EMACS 20 emulating function]"
85 (code-convert-region start end coding-system *internal*)
88 (defun encode-coding-string (str coding-system)
89 "Encode the STRING to CODING-SYSTEM.
90 \[emu-mule.el; EMACS 20 emulating function]"
91 (code-convert-string str *internal* coding-system)
94 (defun decode-coding-string (str coding-system)
95 "Decode the string STR which is encoded in CODING-SYSTEM.
96 \[emu-mule.el; EMACS 20 emulating function]"
97 (let ((len (length str))
103 (code-convert-string (substring str 0 len)
104 coding-system *internal*))
108 (concat ret (substring str len))
111 (defalias 'detect-coding-region 'code-detect-region)
113 (defalias 'set-buffer-file-coding-system 'set-file-coding-system)
115 (defmacro as-binary-process (&rest body)
116 (` (let (selective-display ; Disable ^M to nl translation.
119 (default-process-coding-system (cons *noconv* *noconv*))
120 program-coding-system-alist)
124 (defmacro as-binary-input-file (&rest body)
126 (file-coding-system-for-read *noconv*)
131 (defmacro as-binary-output-file (&rest body)
133 (file-coding-system *noconv*)
138 (defalias 'set-process-input-coding-system 'set-process-coding-system)
144 (defun insert-binary-file-contents-literally
145 (filename &optional visit beg end replace)
146 "Like `insert-file-contents-literally', q.v., but don't code conversion.
147 A buffer may be modified in several ways after reading into the buffer due
148 to advanced Emacs features, such as file-name-handlers, format decoding,
149 find-file-hooks, etc.
150 This function ensures that none of these modifications will take place."
152 (file-coding-system *noconv*)
154 (insert-file-contents-literally filename visit beg end replace)
161 (defvar charsets-mime-charset-alist
163 (cons (list lc-ascii) 'us-ascii)
164 (cons (list lc-ascii lc-ltn1) 'iso-8859-1)
165 (cons (list lc-ascii lc-ltn2) 'iso-8859-2)
166 (cons (list lc-ascii lc-ltn3) 'iso-8859-3)
167 (cons (list lc-ascii lc-ltn4) 'iso-8859-4)
168 ;;;(cons (list lc-ascii lc-crl) 'iso-8859-5)
169 (cons (list lc-ascii lc-crl) 'koi8-r)
170 (cons (list lc-ascii lc-arb) 'iso-8859-6)
171 (cons (list lc-ascii lc-grk) 'iso-8859-7)
172 (cons (list lc-ascii lc-hbw) 'iso-8859-8)
173 (cons (list lc-ascii lc-ltn5) 'iso-8859-9)
174 (cons (list lc-ascii lc-roman lc-jpold lc-jp) 'iso-2022-jp)
175 (cons (list lc-ascii lc-kr) 'euc-kr)
176 (cons (list lc-ascii lc-cn) 'gb2312)
177 (cons (list lc-ascii lc-big5-1 lc-big5-2) 'big5)
178 (cons (list lc-ascii lc-roman lc-ltn1 lc-grk
179 lc-jpold lc-cn lc-jp lc-kr lc-jp2) 'iso-2022-jp-2)
180 (cons (list lc-ascii lc-roman lc-ltn1 lc-grk
181 lc-jpold lc-cn lc-jp lc-kr lc-jp2
182 lc-cns1 lc-cns2) 'iso-2022-int-1)
183 (cons (list lc-ascii lc-roman
184 lc-ltn1 lc-ltn2 lc-crl lc-grk
185 lc-jpold lc-cn lc-jp lc-kr lc-jp2
186 lc-cns1 lc-cns2 lc-cns3 lc-cns4
187 lc-cns5 lc-cns6 lc-cns7) 'iso-2022-int-1)
190 (defvar default-mime-charset 'x-ctext)
192 (defvar mime-charset-coding-system-alist
193 '((iso-8859-1 . *ctext*)
195 (gb2312 . *euc-china*)
197 (iso-2022-jp-2 . *iso-2022-ss2-7*)
198 (x-iso-2022-jp-2 . *iso-2022-ss2-7*)
200 (x-shiftjis . *sjis*)
203 (defun mime-charset-to-coding-system (charset &optional lbt)
204 (if (stringp charset)
205 (setq charset (intern (downcase charset)))
208 (or (cdr (assq charset mime-charset-coding-system-alist))
209 (let ((cs (intern (concat "*" (symbol-name charset) "*"))))
210 (and (coding-system-p cs) cs)
215 (intern (concat (symbol-name cs) (symbol-name lbt)))
218 (defun detect-mime-charset-region (start end)
219 "Return MIME charset for region between START and END.
221 (charsets-to-mime-charset
222 (cons lc-ascii (find-charset-region start end))))
224 (defun encode-mime-charset-region (start end charset)
225 "Encode the text between START and END as MIME CHARSET.
227 (let ((cs (mime-charset-to-coding-system charset)))
229 (code-convert start end *internal* cs)
232 (defun decode-mime-charset-region (start end charset)
233 "Decode the text between START and END as MIME CHARSET.
235 (let ((cs (mime-charset-to-coding-system charset)))
237 (code-convert start end cs *internal*)
240 (defun encode-mime-charset-string (string charset)
241 "Encode the STRING as MIME CHARSET. [emu-mule.el]"
242 (let ((cs (mime-charset-to-coding-system charset)))
244 (code-convert-string string *internal* cs)
247 (defun decode-mime-charset-string (string charset)
248 "Decode the STRING which is encoded in MIME CHARSET. [emu-mule.el]"
249 (let ((cs (mime-charset-to-coding-system charset)))
251 (decode-coding-string string cs)
258 (defalias 'char-charset 'char-leading-char)
260 (defalias 'char-length 'char-bytes)
262 (defalias 'char-columns 'char-width)
268 (defalias 'string-columns 'string-width)
270 (defalias 'string-to-int-list 'string-to-char-list)
272 (or (fboundp 'truncate-string)
273 ;;; Imported from Mule-2.3
274 (defun truncate-string (str width &optional start-column)
275 "Truncate STR to fit in WIDTH columns.
276 Optional non-nil arg START-COLUMN specifies the starting column.
277 \[emu-mule.el; Mule 2.3 emulating function]"
279 (setq start-column 0))
280 (let ((max-width (string-width str))
285 (if (>= width max-width)
286 (setq width max-width))
287 (if (>= start-column width)
289 (while (< column start-column)
290 (setq ch (aref str from)
291 column (+ column (char-width ch))
292 from (+ from (char-bytes ch))))
293 (if (< width max-width)
296 (while (<= column width)
297 (setq ch (aref str to)
298 column (+ column (char-width ch))
300 to (+ to (char-bytes ch))))
302 (substring str from to))))
310 (defun regulate-latin-char (chr)
311 (cond ((and (<= ?
\e$B#A
\e(B chr)(<= chr ?
\e$B#Z
\e(B))
312 (+ (- chr ?
\e$B#A
\e(B) ?A)
314 ((and (<= ?
\e$B#a
\e(B chr)(<= chr ?
\e$B#z
\e(B))
315 (+ (- chr ?
\e$B#a
\e(B) ?a)
317 ((eq chr ?
\e$B!%
\e(B) ?.)
318 ((eq chr ?
\e$B!$
\e(B) ?,)
322 (defun regulate-latin-string (str)
323 (let ((len (length str))
327 (setq chr (sref str i))
328 (setq dest (concat dest
329 (char-to-string (regulate-latin-char chr))))
330 (setq i (+ i (char-bytes chr)))
340 ;;; emu-mule.el ends here