Commit | Line | Data |
---|---|---|
60370d40 | 1 | ;;; chinese.el --- support for Chinese -*- coding: iso-2022-7bit; -*- |
4ed46869 | 2 | |
4ed46869 | 3 | ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN. |
fa526c4a | 4 | ;; Licensed to the Free Software Foundation. |
4ed46869 KH |
5 | |
6 | ;; Keywords: multilingual, Chinese | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
369314dc KH |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
4ed46869 KH |
24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;; For Chinese, three character sets GB2312, BIG5, and CNS11643 are | |
28 | ;; supported. | |
29 | ||
30 | ;;; Code: | |
31 | ||
32 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
33 | ;;; Chinese (general) | |
34 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
35 | ||
36 | (make-coding-system | |
4138c943 | 37 | 'iso-2022-cn 2 ?C |
4b9121fc | 38 | "ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN)" |
4138c943 KH |
39 | '(ascii |
40 | (nil chinese-gb2312 chinese-cns11643-1) | |
41 | (nil chinese-cns11643-2) | |
42 | nil | |
43 | nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil | |
44 | init-bol) | |
45 | '((safe-charsets ascii chinese-gb2312 chinese-cns11643-1 chinese-cns11643-2) | |
46 | (mime-charset . iso-2022-cn))) | |
47 | ||
48 | (define-coding-system-alias 'chinese-iso-7bit 'iso-2022-cn) | |
49 | ||
50 | (make-coding-system | |
51 | 'iso-2022-cn-ext 2 ?C | |
52 | "ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN-EXT)" | |
4ed46869 KH |
53 | '(ascii |
54 | (nil chinese-gb2312 chinese-cns11643-1) | |
55 | (nil chinese-cns11643-2) | |
56 | (nil chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5 | |
57 | chinese-cns11643-6 chinese-cns11643-7) | |
f3f18123 | 58 | nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil |
a18aa841 | 59 | init-bol) |
4138c943 KH |
60 | '((safe-charsets ascii chinese-gb2312 chinese-cns11643-1 chinese-cns11643-2 |
61 | chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5 | |
62 | chinese-cns11643-6 chinese-cns11643-7) | |
63 | (mime-charset . iso-2022-cn-ext))) | |
64 | ||
335a7ad7 | 65 | \f |
4ed46869 KH |
66 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
67 | ;;; Chinese GB2312 (simplified) | |
68 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
69 | ||
70 | (make-coding-system | |
4b9121fc | 71 | 'chinese-iso-8bit 2 ?c |
ff890e66 | 72 | "ISO 2022 based EUC encoding for Chinese GB2312 (MIME:GB2312)" |
4138c943 KH |
73 | '(ascii chinese-gb2312 nil nil |
74 | nil ascii-eol ascii-cntl nil nil nil nil) | |
75 | '((safe-charsets ascii chinese-gb2312) | |
ff890e66 | 76 | (mime-charset . gb2312))) |
4ed46869 | 77 | |
71eabd24 RS |
78 | (define-coding-system-alias 'cn-gb-2312 'chinese-iso-8bit) |
79 | (define-coding-system-alias 'euc-china 'chinese-iso-8bit) | |
a18aa841 | 80 | (define-coding-system-alias 'euc-cn 'chinese-iso-8bit) |
4f35555a KH |
81 | (define-coding-system-alias 'cn-gb 'chinese-iso-8bit) |
82 | (define-coding-system-alias 'gb2312 'chinese-iso-8bit) | |
f3f18123 | 83 | |
4ed46869 | 84 | (make-coding-system |
4b9121fc KH |
85 | 'chinese-hz 0 ?z |
86 | "Hz/ZW 7-bit encoding for Chinese GB2312 (MIME:HZ-GB-2312)" | |
a18aa841 | 87 | nil |
4138c943 KH |
88 | '((safe-charsets ascii chinese-gb2312) |
89 | (mime-charset . hz-gb-2312) | |
90 | (post-read-conversion . post-read-decode-hz) | |
91 | (pre-write-conversion . pre-write-encode-hz))) | |
f3f18123 | 92 | |
71eabd24 RS |
93 | (define-coding-system-alias 'hz-gb-2312 'chinese-hz) |
94 | (define-coding-system-alias 'hz 'chinese-hz) | |
4ed46869 KH |
95 | |
96 | (defun post-read-decode-hz (len) | |
69f24acf KH |
97 | (let ((pos (point)) |
98 | (buffer-modified-p (buffer-modified-p)) | |
99 | last-coding-system-used) | |
100 | (prog1 | |
101 | (decode-hz-region pos (+ pos len)) | |
102 | (set-buffer-modified-p buffer-modified-p)))) | |
4ed46869 KH |
103 | |
104 | (defun pre-write-encode-hz (from to) | |
1944b2e7 | 105 | (let ((buf (current-buffer))) |
d64a0ef7 KH |
106 | (set-buffer (generate-new-buffer " *temp*")) |
107 | (if (stringp from) | |
108 | (insert from) | |
109 | (insert-buffer-substring buf from to)) | |
110 | (let (last-coding-system-used) | |
111 | (encode-hz-region 1 (point-max))) | |
4ed46869 KH |
112 | nil)) |
113 | ||
4ed46869 | 114 | (set-language-info-alist |
a564ccf9 | 115 | "Chinese-GB" '((charset chinese-gb2312 chinese-sisheng) |
4138c943 KH |
116 | (coding-system chinese-iso-8bit iso-2022-cn chinese-hz) |
117 | (coding-priority chinese-iso-8bit chinese-big5 iso-2022-cn) | |
a564ccf9 KH |
118 | (input-method . "chinese-py-punct") |
119 | (features china-util) | |
fab8252e | 120 | (sample-text . "Chinese (\e$AVPND\e(B,\e$AFUM(;0\e(B,\e$A::So\e(B) \e$ADc:C\e(B") |
4138c943 KH |
121 | (documentation . "Support for Chinese GB2312 character set.")) |
122 | '("Chinese")) | |
4ed46869 KH |
123 | |
124 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
125 | ;; Chinese BIG5 (traditional) | |
126 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
127 | ||
128 | (make-coding-system | |
ff890e66 | 129 | 'chinese-big5 3 ?B "BIG5 8-bit encoding for Chinese (MIME:Big5)" |
4138c943 KH |
130 | nil |
131 | '((safe-charsets ascii chinese-big5-1 chinese-big5-2) | |
ff890e66 | 132 | (mime-charset . big5) |
d4c97509 KH |
133 | (charset-origin-alist (chinese-big5-1 "BIG5" encode-big5-char) |
134 | (chinese-big5-2 "BIG5" encode-big5-char)))) | |
4ed46869 | 135 | |
71eabd24 RS |
136 | (define-coding-system-alias 'big5 'chinese-big5) |
137 | (define-coding-system-alias 'cn-big5 'chinese-big5) | |
f3f18123 | 138 | |
4ed46869 KH |
139 | ;; Big5 font requires special encoding. |
140 | (define-ccl-program ccl-encode-big5-font | |
141 | `(0 | |
142 | ;; In: R0:chinese-big5-1 or chinese-big5-2 | |
143 | ;; R1:position code 1 | |
144 | ;; R2:position code 2 | |
145 | ;; Out: R1:font code point 1 | |
146 | ;; R2:font code point 2 | |
147 | ((r2 = ((((r1 - ?\x21) * 94) + r2) - ?\x21)) | |
148 | (if (r0 == ,(charset-id 'chinese-big5-2)) (r2 += 6280)) | |
149 | (r1 = ((r2 / 157) + ?\xA1)) | |
150 | (r2 %= 157) | |
151 | (if (r2 < ?\x3F) (r2 += ?\x40) (r2 += ?\x62)))) | |
152 | "CCL program to encode a Big5 code to code point of Big5 font.") | |
153 | ||
154 | (setq font-ccl-encoder-alist | |
155 | (cons (cons "big5" ccl-encode-big5-font) font-ccl-encoder-alist)) | |
156 | ||
4ed46869 | 157 | (set-language-info-alist |
a564ccf9 | 158 | "Chinese-BIG5" '((charset chinese-big5-1 chinese-big5-2) |
4138c943 KH |
159 | (coding-system chinese-big5 chinese-iso-7bit) |
160 | (coding-priority chinese-big5 iso-2022-cn chinese-iso-8bit) | |
a564ccf9 KH |
161 | (input-method . "chinese-py-punct-b5") |
162 | (features china-util) | |
fab8252e | 163 | (sample-text . "Cantonese (\e$(0GnM$\e(B,\e$(0N]0*Hd\e(B) \e$(0*/=(\e(B, \e$(0+$)p\e(B") |
4138c943 KH |
164 | (documentation . "Support for Chinese Big5 character set.")) |
165 | '("Chinese")) | |
4ed46869 KH |
166 | |
167 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
168 | ;; Chinese CNS11643 (traditional) | |
169 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
170 | ||
4ed46869 | 171 | (set-language-info-alist |
a564ccf9 | 172 | "Chinese-CNS" '((charset chinese-cns11643-1 chinese-cns11643-2 |
4138c943 KH |
173 | chinese-cns11643-3 chinese-cns11643-4 |
174 | chinese-cns11643-5 chinese-cns11643-6 | |
175 | chinese-cns11643-7) | |
176 | (coding-system iso-2022-cn) | |
177 | (coding-priority iso-2022-cn chinese-big5 chinese-iso-8bit) | |
a564ccf9 KH |
178 | (features china-util) |
179 | (input-method . "chinese-cns-quick") | |
4138c943 KH |
180 | (documentation . "Support for Chinese CNS character sets.")) |
181 | '("Chinese")) | |
4ed46869 | 182 | |
41da80b1 DL |
183 | (provide 'chinese) |
184 | ||
4ed46869 | 185 | ;;; chinese.el ends here |