Line data Source code
1 : ;;; japanese.el --- support for Japanese -*- coding: iso-2022-7bit -*-
2 :
3 : ;; Copyright (C) 1997, 2001-2017 Free Software Foundation, Inc.
4 : ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
5 : ;; 2005, 2006, 2007, 2008, 2009, 2010, 2011
6 : ;; National Institute of Advanced Industrial Science and Technology (AIST)
7 : ;; Registration Number H14PRO021
8 : ;; Copyright (C) 2003
9 : ;; National Institute of Advanced Industrial Science and Technology (AIST)
10 : ;; Registration Number H13PRO009
11 :
12 : ;; Keywords: multilingual, Japanese
13 :
14 : ;; This file is part of GNU Emacs.
15 :
16 : ;; GNU Emacs is free software: you can redistribute it and/or modify
17 : ;; it under the terms of the GNU General Public License as published by
18 : ;; the Free Software Foundation, either version 3 of the License, or
19 : ;; (at your option) any later version.
20 :
21 : ;; GNU Emacs is distributed in the hope that it will be useful,
22 : ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
23 : ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 : ;; GNU General Public License for more details.
25 :
26 : ;; You should have received a copy of the GNU General Public License
27 : ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
28 :
29 : ;;; Commentary:
30 :
31 : ;; For Japanese, character sets JISX0201, JISX0208, JISX0212 are
32 : ;; supported.
33 :
34 : ;;; Code:
35 :
36 : ;;; Load translation tables for CP932.
37 : (require 'cp51932)
38 : (require 'eucjp-ms)
39 :
40 : (define-coding-system 'iso-2022-jp
41 : "ISO 2022 based 7bit encoding for Japanese (MIME:ISO-2022-JP)."
42 : :coding-type 'iso-2022
43 : :mnemonic ?J
44 : :designation [(ascii japanese-jisx0208-1978 japanese-jisx0208
45 : latin-jisx0201)
46 : nil nil nil]
47 : :flags '(short ascii-at-eol ascii-at-cntl 7-bit designation)
48 : :charset-list '(ascii japanese-jisx0208
49 : japanese-jisx0208-1978 latin-jisx0201)
50 : :mime-charset 'iso-2022-jp
51 : :suitable-for-keyboard t)
52 :
53 : (define-coding-system-alias 'junet 'iso-2022-jp)
54 :
55 : (define-coding-system 'iso-2022-jp-2
56 : "ISO 2022 based 7bit encoding for CJK, Latin-1, Greek (MIME:ISO-2022-JP-2)."
57 : :coding-type 'iso-2022
58 : :mnemonic ?J
59 : :designation [(ascii japanese-jisx0208-1978 japanese-jisx0208
60 : latin-jisx0201 japanese-jisx0212
61 : chinese-gb2312 korean-ksc5601)
62 : nil
63 : (nil latin-iso8859-1 greek-iso8859-7)
64 : nil]
65 : :flags '(short ascii-at-eol ascii-at-cntl 7-bit designation single-shift
66 : init-at-bol)
67 : :charset-list '(ascii japanese-jisx0208 japanese-jisx0212
68 : latin-jisx0201 japanese-jisx0208-1978
69 : chinese-gb2312 korean-ksc5601
70 : latin-iso8859-1 greek-iso8859-7)
71 : :mime-charset 'iso-2022-jp-2
72 : :suitable-for-keyboard t)
73 :
74 : (let ((map ; JIS vs CP932
75 : '((#x301C . #xFF5E) ; WAVE DASH FULLWIDTH TILDE
76 : (#x2014 . #x2015) ; EM DASH HORIZONTAL BAR
77 : (#x2016 . #x2225) ; DOUBLE VERTICAL LINE PARALLEL TO
78 : (#x2212 . #xFF0D) ; MINUS SIGN FULLWIDTH HYPHEN-MINUS
79 : (#x00A2 . #xFFE0) ; CENT SIGN FULLWIDTH CENT SIGN
80 : (#x00A3 . #xFFE1) ; POUND SIGN FULLWIDTH POUND SIGN
81 : (#x00AC . #xFFE2) ; NOT SIGN FULLWIDTH NOT SIGN
82 : (#x00A6 . #xFFE4) ; BROKEN LINE FULLWIDTH BROKEN LINE
83 : )))
84 : (define-translation-table 'japanese-ucs-jis-to-cp932-map map)
85 : (mapc #'(lambda (x) (let ((tmp (car x)))
86 : (setcar x (cdr x)) (setcdr x tmp)))
87 : map)
88 : (define-translation-table 'japanese-ucs-cp932-to-jis-map map))
89 :
90 : ;; U+2014 (EM DASH) vs U+2015 (HORIZONTAL BAR)
91 : (define-translation-table 'japanese-ucs-glibc-to-jis-map '((#x2015 . #x2014)))
92 : (define-translation-table 'japanese-ucs-jis-to-glibc-map '((#x2014 . #x2015)))
93 :
94 : (define-coding-system 'japanese-shift-jis
95 : "Shift-JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS)"
96 : :coding-type 'shift-jis
97 : :mnemonic ?S
98 : :charset-list '(ascii katakana-jisx0201 japanese-jisx0208)
99 : :mime-charset 'shift_jis)
100 :
101 : (define-coding-system-alias 'shift_jis 'japanese-shift-jis)
102 : (define-coding-system-alias 'sjis 'japanese-shift-jis)
103 :
104 : (define-coding-system 'japanese-cp932
105 : "CP932 (Microsoft shift-jis)"
106 : :coding-type 'charset
107 : :mnemonic ?S
108 : :charset-list '(ascii katakana-sjis cp932-2-byte))
109 :
110 : (define-coding-system-alias 'cp932 'japanese-cp932)
111 :
112 : (define-coding-system 'japanese-iso-7bit-1978-irv
113 : "ISO 2022 based 7-bit encoding for Japanese JISX0208-1978 and JISX0201-Roman."
114 : :coding-type 'iso-2022
115 : :mnemonic ?j
116 : :designation [(latin-jisx0201 japanese-jisx0208-1978 japanese-jisx0208
117 : japanese-jisx0212 katakana-jisx0201)
118 : nil nil nil]
119 : :flags '(short ascii-at-eol ascii-at-cntl 7-bit designation
120 : use-roman use-oldjis)
121 : :charset-list '(ascii latin-jisx0201 japanese-jisx0208-1978 japanese-jisx0208
122 : japanese-jisx0212))
123 :
124 : (define-coding-system-alias 'iso-2022-jp-1978-irv 'japanese-iso-7bit-1978-irv)
125 : (define-coding-system-alias 'old-jis 'japanese-iso-7bit-1978-irv)
126 :
127 : (define-coding-system 'japanese-iso-8bit
128 : "ISO 2022 based EUC encoding for Japanese (MIME:EUC-JP)."
129 : :coding-type 'iso-2022
130 : :mnemonic ?E
131 : :designation [ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212]
132 : :flags '(short ascii-at-eol ascii-at-cntl single-shift)
133 : :charset-list '(ascii latin-jisx0201 japanese-jisx0208
134 : katakana-jisx0201 japanese-jisx0212
135 : japanese-jisx0208-1978)
136 : :mime-charset 'euc-jp)
137 :
138 : (define-coding-system-alias 'euc-japan-1990 'japanese-iso-8bit)
139 : (define-coding-system-alias 'euc-japan 'japanese-iso-8bit)
140 : (define-coding-system-alias 'euc-jp 'japanese-iso-8bit)
141 :
142 : (define-coding-system 'eucjp-ms
143 : "eucJP-ms (like EUC-JP but with CP932 extension).
144 : eucJP-ms is defined in <http://www.opengroup.or.jp/jvc/cde/appendix.html>."
145 : :coding-type 'iso-2022
146 : :mnemonic ?E
147 : :designation [ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212]
148 : :flags '(short ascii-at-eol ascii-at-cntl single-shift)
149 : :charset-list '(ascii latin-jisx0201 japanese-jisx0208
150 : katakana-jisx0201 japanese-jisx0212)
151 : :decode-translation-table 'eucjp-ms-decode
152 : :encode-translation-table 'eucjp-ms-encode)
153 :
154 : (define-coding-system 'iso-2022-jp-2004
155 : "ISO 2022 based 7bit encoding for JIS X 0213:2004 (MIME:ISO-2022-JP-2004)."
156 : :coding-type 'iso-2022
157 : :mnemonic ?J
158 : :designation [(ascii japanese-jisx0208 japanese-jisx0213.2004-1
159 : japanese-jisx0213-1 japanese-jisx0213-2)
160 : nil nil nil]
161 : :flags '(short ascii-at-eol ascii-at-cntl 7-bit designation)
162 : ;; init-at-bol)
163 : :charset-list '(ascii japanese-jisx0208 japanese-jisx0213.2004-1
164 : japanese-jisx0213-1 japanese-jisx0213-2)
165 : :mime-charset 'iso-2022-jp-2004
166 : :suitable-for-keyboard t)
167 :
168 : (define-coding-system-alias 'iso-2022-jp-3 'iso-2022-jp-2004)
169 :
170 : (define-coding-system 'euc-jis-2004
171 : "ISO 2022 based EUC encoding for JIS X 0213 (MIME:EUC-JIS-2004)."
172 : :coding-type 'iso-2022
173 : :mnemonic ?E
174 : :designation [ascii japanese-jisx0213.2004-1 katakana-jisx0201
175 : japanese-jisx0213-2]
176 : :flags '(short ascii-at-eol ascii-at-cntl single-shift)
177 : :charset-list '(ascii latin-jisx0201 japanese-jisx0213.2004-1
178 : japanese-jisx0213-1 katakana-jisx0201
179 : japanese-jisx0213-2)
180 : :mime-charset 'euc-jis-2004)
181 :
182 : (define-coding-system-alias 'euc-jisx0213 'euc-jis-2004)
183 :
184 : (define-coding-system 'japanese-shift-jis-2004
185 : "Shift_JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS-2004)"
186 : :coding-type 'shift-jis
187 : :mnemonic ?S
188 : :charset-list '(ascii katakana-jisx0201
189 : japanese-jisx0213.2004-1 japanese-jisx0213-2))
190 :
191 : (define-coding-system-alias 'shift_jis-2004 'japanese-shift-jis-2004)
192 :
193 : (set-language-info-alist
194 : "Japanese" '((setup-function . setup-japanese-environment-internal)
195 : (exit-function . use-default-char-width-table)
196 : (iso639-language . ja)
197 : (tutorial . "TUTORIAL.ja")
198 : (charset japanese-jisx0208
199 : japanese-jisx0212 latin-jisx0201 katakana-jisx0201
200 : japanese-jisx0213.2004-1 japanese-jisx0213-1
201 : japanese-jisx0213-2 japanese-jisx0208-1978)
202 : (coding-system iso-2022-jp japanese-iso-8bit
203 : japanese-shift-jis japanese-iso-7bit-1978-irv
204 : iso-2022-jp-2004 japanese-shift-jis-2004
205 : euc-jis-2004)
206 : (coding-priority iso-2022-jp japanese-iso-8bit
207 : japanese-shift-jis
208 : iso-2022-jp-2004 euc-jis-2004
209 : japanese-shift-jis-2004
210 : iso-2022-jp-2)
211 : (input-method . "japanese")
212 : (features japan-util)
213 : (sample-text . "Japanese ($BF|K\8l(B) $B$3$s$K$A$O(B, (I:]FAJ(B")
214 : (documentation . t)))
215 :
216 : (let ((map
217 : ;; JISX0213-1 vs Unicode
218 : '((#x2477 . [#x304B #x309A])
219 : (#x2478 . [#x304D #x309A])
220 : (#x2479 . [#x304F #x309A])
221 : (#x247a . [#x3051 #x309A])
222 : (#x247b . [#x3053 #x309A])
223 : (#x2577 . [#x30AB #x309A])
224 : (#x2578 . [#x30AD #x309A])
225 : (#x2579 . [#x30AF #x309A])
226 : (#x257a . [#x30B1 #x309A])
227 : (#x257b . [#x30B3 #x309A])
228 : (#x257c . [#x30BB #x309A])
229 : (#x257d . [#x30C4 #x309A])
230 : (#x257e . [#x30C8 #x309A])
231 : (#x2678 . [#x31F7 #x309A])
232 : (#x2b44 . [#x00E6 #x0300])
233 : (#x2b48 . [#x0254 #x0300])
234 : (#x2b49 . [#x0254 #x0301])
235 : (#x2b4a . [#x028C #x0300])
236 : (#x2b4b . [#x028C #x0301])
237 : (#x2b4c . [#x0259 #x0300])
238 : (#x2b4d . [#x0259 #x0301])
239 : (#x2b4e . [#x025A #x0300])
240 : (#x2b4f . [#x025A #x0301])
241 : (#x2b65 . [#x02E9 #x02E5])
242 : (#x2b66 . [#x02E5 #x02E9])))
243 : table)
244 : (dolist (elt map)
245 : (setcar elt (decode-char 'japanese-jisx0213-1 (car elt))))
246 : (setq table (make-translation-table-from-alist map))
247 : (define-translation-table 'jisx0213-to-unicode table)
248 : (define-translation-table 'unicode-to-jisx0213
249 : (char-table-extra-slot table 0)))
250 :
251 : (defun compose-gstring-for-variation-glyph (gstring)
252 : "Compose glyph-string GSTRING for graphic display.
253 : GSTRING must have two glyphs; the first is a glyph for a han character,
254 : and the second is a glyph for a variation selector."
255 0 : (let* ((font (lgstring-font gstring))
256 0 : (han (lgstring-char gstring 0))
257 0 : (vs (lgstring-char gstring 1))
258 0 : (glyphs (font-variation-glyphs font han))
259 0 : (g0 (lgstring-glyph gstring 0))
260 0 : (g1 (lgstring-glyph gstring 1)))
261 0 : (catch 'tag
262 0 : (dolist (elt glyphs)
263 0 : (if (= (car elt) vs)
264 0 : (progn
265 0 : (lglyph-set-code g0 (cdr elt))
266 0 : (lglyph-set-from-to g0 (lglyph-from g0) (lglyph-to g1))
267 0 : (lgstring-set-glyph gstring 1 nil)
268 0 : (throw 'tag gstring)))))))
269 :
270 : (let ((elt '([".." 1 compose-gstring-for-variation-glyph])))
271 : (set-char-table-range composition-function-table '(#xFE00 . #xFE0F) elt)
272 : (set-char-table-range composition-function-table '(#xE0100 . #xE01EF) elt))
273 :
274 : (provide 'japanese)
275 :
276 : ;;; japanese.el ends here
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