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author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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427:0a0253eac470 428:3ecd8885ac67
1 ;;; chinese.el --- Support for Chinese -*- coding: iso-2022-7bit; -*-
2
3 ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
4 ;; Licensed to the Free Software Foundation.
5 ;; Copyright (C) 1997 MORIOKA Tomohiko
6
7 ;; Keywords: multilingual, Chinese
8
9 ;; This file is part of XEmacs.
10
11 ;; XEmacs is free software; you can redistribute it and/or modify it
12 ;; under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; any later version.
15
16 ;; XEmacs 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.
20
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with XEmacs; see the file COPYING. If not, write to the Free
23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24 ;; 02111-1307, USA.
25
26 ;;; Commentary:
27
28 ;; For Chinese, three character sets GB2312, BIG5, and CNS11643 are
29 ;; supported.
30
31 ;;; Code:
32
33 ;; Syntax of Chinese characters.
34 (modify-syntax-entry 'chinese-gb2312 "w")
35 (loop for row in '(33 34 41)
36 do (modify-syntax-entry `[chinese-gb2312 ,row] "."))
37 ;;(loop for row from 35 to 40
38 ;; do (modify-syntax-entry `[chinese-gb2312 ,row] "w"))
39 ;;(loop for row from 42 to 126
40 ;; do (modify-syntax-entry `[chinese-gb2312 ,row] "w"))
41
42 (modify-syntax-entry 'chinese-cns11643-1 "w")
43 (modify-syntax-entry 'chinese-cns11643-2 "w")
44 (modify-syntax-entry 'chinese-big5-1 "w")
45 (modify-syntax-entry 'chinese-big5-2 "w")
46
47 ;; CNS11643 Plane3 thru Plane7
48 ;; These represent more and more obscure Chinese characters.
49 ;; By the time you get to Plane 7, we're talking about characters
50 ;; that appear once in some ancient manuscript and whose meaning
51 ;; is unknown.
52
53 (flet
54 ((make-chinese-cns11643-charset
55 (name plane final)
56 (make-charset
57 name (concat "CNS 11643 Plane " plane " (Chinese traditional)")
58 `(registry
59 ,(concat "CNS11643[.-]\\(.*[.-]\\)?" plane "$")
60 dimension 2
61 chars 94
62 final ,final
63 graphic 0))
64 (modify-syntax-entry name "w")
65 (modify-category-entry name ?t)
66 ))
67 (make-chinese-cns11643-charset 'chinese-cns11643-3 "3" ?I)
68 (make-chinese-cns11643-charset 'chinese-cns11643-4 "4" ?J)
69 (make-chinese-cns11643-charset 'chinese-cns11643-5 "5" ?K)
70 (make-chinese-cns11643-charset 'chinese-cns11643-6 "6" ?L)
71 (make-chinese-cns11643-charset 'chinese-cns11643-7 "7" ?M)
72 )
73
74 ;; ISO-IR-165 (CCITT Extended GB)
75 ;; It is based on CCITT Recommendation T.101, includes GB 2312-80 +
76 ;; GB 8565-88 table A4 + 293 characters.
77 (make-charset
78 'chinese-isoir165
79 "ISO-IR-165 (CCITT Extended GB; Chinese simplified)"
80 `(registry "isoir165"
81 dimension 2
82 chars 94
83 final ?E
84 graphic 0))
85
86 ;; PinYin-ZhuYin
87 (make-charset 'sisheng "PinYin-ZhuYin"
88 '(registry "sisheng_cwnn\\|OMRON_UDC_ZH"
89 dimension 1
90 chars 94
91 final ?0
92 graphic 0
93 ))
94
95 ;; If you prefer QUAIL to EGG, please modify below as you wish.
96 ;;(when (and (featurep 'egg) (featurep 'wnn))
97 ;; (setq wnn-server-type 'cserver)
98 ;; (load "pinyin")
99 ;; (setq its:*standard-modes*
100 ;; (cons (its:get-mode-map "PinYin") its:*standard-modes*)))
101
102 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
103 ;;; Chinese (general)
104 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
105
106 ;; (make-coding-system
107 ;; 'iso-2022-cn 2 ?C
108 ;; "ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN)"
109 ;; '(ascii
110 ;; (nil chinese-gb2312 chinese-cns11643-1)
111 ;; (nil chinese-cns11643-2)
112 ;; nil
113 ;; nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil
114 ;; init-bol)
115 ;; '((safe-charsets ascii chinese-gb2312 chinese-cns11643-1 chinese-cns11643-2)
116 ;; (mime-charset . iso-2022-cn)))
117
118 ;; (define-coding-system-alias 'chinese-iso-7bit 'iso-2022-cn)
119
120 ;; (make-coding-system
121 ;; 'iso-2022-cn-ext 2 ?C
122 ;; "ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN-EXT)"
123 ;; '(ascii
124 ;; (nil chinese-gb2312 chinese-cns11643-1)
125 ;; (nil chinese-cns11643-2)
126 ;; (nil chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5
127 ;; chinese-cns11643-6 chinese-cns11643-7)
128 ;; nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil
129 ;; init-bol)
130 ;; '((safe-charsets ascii chinese-gb2312 chinese-cns11643-1 chinese-cns11643-2
131 ;; chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5
132 ;; chinese-cns11643-6 chinese-cns11643-7)
133 ;; (mime-charset . iso-2022-cn-ext)))
134
135
136 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
137 ;;; Chinese GB2312 (simplified)
138 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
139
140 ;; (make-coding-system
141 ;; 'chinese-iso-8bit 2 ?c
142 ;; "ISO 2022 based EUC encoding for Chinese GB2312 (MIME:CN-GB-2312)"
143 ;; '(ascii chinese-gb2312 nil nil
144 ;; nil ascii-eol ascii-cntl nil nil nil nil)
145 ;; '((safe-charsets ascii chinese-gb2312)
146 ;; (mime-charset . cn-gb-2312)))
147
148 (make-coding-system
149 'cn-gb-2312 'iso2022
150 "Coding-system of Chinese EUC (Extended Unix Code)."
151 '(charset-g0 ascii
152 charset-g1 chinese-gb2312
153 charset-g2 sisheng
154 charset-g3 t
155 mnemonic "Zh-GB/EUC"
156 ))
157
158 ;; (define-coding-system-alias 'cn-gb-2312 'chinese-iso-8bit)
159 ;; (define-coding-system-alias 'euc-china 'chinese-iso-8bit)
160 ;; (define-coding-system-alias 'euc-cn 'chinese-iso-8bit)
161
162 (define-coding-system-alias 'gb2312 'cn-gb-2312)
163 (define-coding-system-alias 'chinese-euc 'cn-gb-2312)
164
165 ;; (make-coding-system
166 ;; 'chinese-hz 0 ?z
167 ;; "Hz/ZW 7-bit encoding for Chinese GB2312 (MIME:HZ-GB-2312)"
168 ;; nil
169 ;; '((safe-charsets ascii chinese-gb2312)
170 ;; (mime-charset . hz-gb-2312)
171 ;; (post-read-conversion . post-read-decode-hz)
172 ;; (pre-write-conversion . pre-write-encode-hz)))
173 ;; (put 'chinese-hz 'post-read-conversion 'post-read-decode-hz)
174 ;; (put 'chinese-hz 'pre-write-conversion 'pre-write-encode-hz)
175
176 (make-coding-system
177 'hz-gb-2312 'no-conversion
178 "Coding-system of Hz/ZW used for Chinese."
179 '(mnemonic "Zh-GB/Hz"
180 eol-type lf
181 post-read-conversion post-read-decode-hz
182 pre-write-conversion pre-write-encode-hz))
183
184 ;; (define-coding-system-alias 'hz-gb-2312 'chinese-hz)
185 ;; (define-coding-system-alias 'hz 'chinese-hz)
186
187 (define-coding-system-alias 'hz 'hz-gb-2312)
188
189 (defun post-read-decode-hz (len)
190 (let ((pos (point))
191 (buffer-modified-p (buffer-modified-p))
192 last-coding-system-used)
193 (prog1
194 (decode-hz-region pos (+ pos len))
195 (set-buffer-modified-p buffer-modified-p))))
196
197 (defun pre-write-encode-hz (from to)
198 (let ((buf (current-buffer)))
199 (set-buffer (generate-new-buffer " *temp*"))
200 (if (stringp from)
201 (insert from)
202 (insert-buffer-substring buf from to))
203 (let (last-coding-system-used)
204 (encode-hz-region 1 (point-max)))
205 nil))
206
207 (set-language-info-alist
208 "Chinese-GB" '((setup-function . setup-chinese-gb-environment-internal)
209 (charset chinese-gb2312 sisheng)
210 (coding-system cn-gb-2312 iso-2022-7bit hz-gb-2312)
211 (coding-priority cn-gb-2312 big5 iso-2022-7bit)
212 (input-method . "chinese-py-punct")
213 (features china-util)
214 (sample-text . "Chinese ($AVPND(B,$AFUM(;0(B,$A::So(B) $ADc:C(B")
215 (documentation . "Support for Chinese GB2312 character set."))
216 '("Chinese"))
217
218 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
219 ;; Chinese BIG5 (traditional)
220 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
221
222 ;; (make-coding-system
223 ;; 'chinese-big5 3 ?B "BIG5 8-bit encoding for Chinese (MIME:CN-BIG5)"
224 ;; nil
225 ;; '((safe-charsets ascii chinese-big5-1 chinese-big5-2)
226 ;; (mime-charset . cn-big5)
227 ;; (charset-origin-alist (chinese-big5-1 "BIG5" encode-big5-char)
228 ;; (chinese-big5-2 "BIG5" encode-big5-char))))
229
230 (make-coding-system
231 'big5 'big5
232 "Coding-system of BIG5."
233 '(mnemonic "Zh/Big5"))
234
235 ;; (define-coding-system-alias 'big5 'chinese-big5)
236 ;; (define-coding-system-alias 'cn-big5 'chinese-big5)
237
238 (define-coding-system-alias 'cn-big5 'big5)
239
240 ;; Big5 font requires special encoding.
241 (define-ccl-program ccl-encode-big5-font
242 `(0
243 ;; In: R0:chinese-big5-1 or chinese-big5-2
244 ;; R1:position code 1
245 ;; R2:position code 2
246 ;; Out: R1:font code point 1
247 ;; R2:font code point 2
248 ((r2 = ((((r1 - ?\x21) * 94) + r2) - ?\x21))
249 (if (r0 == ,(charset-id 'chinese-big5-2)) (r2 += 6280))
250 (r1 = ((r2 / 157) + ?\xA1))
251 (r2 %= 157)
252 (if (r2 < ?\x3F) (r2 += ?\x40) (r2 += ?\x62))))
253 "CCL program to encode a Big5 code to code point of Big5 font.")
254
255 ;; (setq font-ccl-encoder-alist
256 ;; (cons (cons "big5" ccl-encode-big5-font) font-ccl-encoder-alist))
257
258 (set-charset-ccl-program 'chinese-big5-1 ccl-encode-big5-font)
259 (set-charset-ccl-program 'chinese-big5-2 ccl-encode-big5-font)
260
261 (set-language-info-alist
262 "Chinese-BIG5" '((charset chinese-big5-1 chinese-big5-2)
263 (coding-system big5 iso-2022-7bit)
264 (coding-priority big5 cn-gb-2312 iso-2022-7bit)
265 (input-method . "chinese-py-punct-b5")
266 (features china-util)
267 (sample-text . "Cantonese ($(0GnM$(B,$(0N]0*Hd(B) $(0*/=((B, $(0+$)p(B")
268 (documentation . "Support for Chinese Big5 character set."))
269 '("Chinese"))
270
271 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
272 ;; Chinese CNS11643 (traditional)
273 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
274
275 ;; (set-language-info-alist
276 ;; "Chinese-CNS" '((charset chinese-cns11643-1 chinese-cns11643-2
277 ;; chinese-cns11643-3 chinese-cns11643-4
278 ;; chinese-cns11643-5 chinese-cns11643-6
279 ;; chinese-cns11643-7)
280 ;; (coding-system iso-2022-cn)
281 ;; (coding-priority iso-2022-cn chinese-big5 chinese-iso-8bit)
282 ;; (features china-util)
283 ;; (input-method . "chinese-cns-quick")
284 ;; (documentation . "Support for Chinese CNS character sets."))
285 ;; '("Chinese"))
286
287 ;;; chinese.el ends here