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