lisp/language/japanese.el

   1 ;;; japanese.el --- support for Japanese -*- coding: iso-2022-7bit; no-byte-compile: t -*-
   2
   3 ;; Copyright (C) 1997  Free Software Foundation, Inc.
   4 ;; Copyright (C) 1995, 1997, 1998
   5 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   6 ;;   Registration Number H14PRO021
   7 ;; Copyright (C) 2003
   8 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   9 ;;   Registration Number H13PRO009
  10
  11 ;; Keywords: multilingual, Japanese
  12
  13 ;; This file is part of GNU Emacs.
  14
  15 ;; GNU Emacs is free software; you can redistribute it and/or modify
  16 ;; it under the terms of the GNU General Public License as published by
  17 ;; the Free Software Foundation; either version 2, or (at your option)
  18 ;; any later version.
  19
  20 ;; GNU Emacs is distributed in the hope that it will be useful,
  21 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 ;; GNU General Public License for more details.
  24
  25 ;; You should have received a copy of the GNU General Public License
  26 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  27 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  28 ;; Boston, MA 02110-1301, USA.
  29
  30 ;;; Commentary:
  31
  32 ;; For Japanese, character sets JISX0201, JISX0208, JISX0212 are
  33 ;; supported.
  34
  35 ;;; Code:
  36
  37 ;;; Load translation tables for CP932.
  38 (load "international/cp51932")
  39 (load "international/eucjp-ms")
  40
  41 (define-coding-system 'iso-2022-jp
  42   "ISO 2022 based 7bit encoding for Japanese (MIME:ISO-2022-JP)."
  43   :coding-type 'iso-2022
  44   :mnemonic ?J
  45   :designation [(ascii japanese-jisx0208-1978 japanese-jisx0208
  46                        latin-jisx0201)
  47                 nil nil nil]
  48   :flags '(short ascii-at-eol ascii-at-cntl 7-bit designation)
  49   :charset-list '(ascii japanese-jisx0208
  50                         japanese-jisx0208-1978 latin-jisx0201)
  51   :mime-charset 'iso-2022-jp)
  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
  73 (let ((map                      ; JIS           vs      CP932
  74        '((#x301C . #xFF5E)      ; WAVE DASH             FULLWIDTH TILDE
  75          (#x2014 . #x2015)      ; EM DASH               HORIZONTAL BAR
  76          (#x2016 . #x2225)      ; DOUBLE VERTICAL LINE  PARALLEL TO
  77          (#x2212 . #xFF0D)      ; MINUS SIGN            FULLWIDTH HYPHEN-MINUS
  78          (#x00A2 . #xFFE0)      ; CENT SIGN             FULLWIDTH CENT SIGN
  79          (#x00A3 . #xFFE1)      ; POUND SIGN            FULLWIDTH POUND SIGN
  80          (#x00AC . #xFFE2)      ; NOT SIGN              FULLWIDTH NOT SIGN
  81          (#x00A6 . #xFFE4)      ; BROKEN LINE           FULLWIDTH BROKEN LINE
  82          )))
  83   (define-translation-table 'japanese-ucs-jis-to-cp932-map map)
  84   (mapc #'(lambda (x) (let ((tmp (car x)))
  85                         (setcar x (cdr x)) (setcdr x tmp)))
  86         map)
  87   (define-translation-table 'japanese-ucs-cp932-to-jis-map map))
  88
  89 ;; U+2014 (EM DASH) vs U+2015 (HORIZONTAL BAR)
  90 (define-translation-table 'japanese-ucs-glibc-to-jis-map '((#x2015 . #x2014)))
  91 (define-translation-table 'japanese-ucs-jis-to-glibc-map '((#x2014 . #x2015)))
  92
  93 (define-coding-system 'japanese-shift-jis
  94   "Shift-JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS)"
  95   :coding-type 'shift-jis
  96   :mnemonic ?S
  97   :charset-list '(ascii katakana-jisx0201 japanese-jisx0208)
  98   :mime-charset 'shift_jis)
  99
 100 (define-coding-system-alias 'shift_jis 'japanese-shift-jis)
 101 (define-coding-system-alias 'sjis 'japanese-shift-jis)
 102 (define-coding-system-alias 'cp932 '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
 167 (define-coding-system-alias 'iso-2022-jp-3 'iso-2022-jp-2004)
 168
 169 (define-coding-system 'euc-jis-2004
 170   "ISO 2022 based EUC encoding for JIS X 0213 (MIME:EUC-JIS-2004)."
 171   :coding-type 'iso-2022
 172   :mnemonic ?E
 173   :designation [ascii japanese-jisx0213.2004-1 katakana-jisx0201
 174                       japanese-jisx0213-2]
 175   :flags '(short ascii-at-eol ascii-at-cntl single-shift)
 176   :charset-list '(ascii latin-jisx0201 japanese-jisx0213.2004-1
 177                         japanese-jisx0213-1 katakana-jisx0201
 178                         japanese-jisx0213-2)
 179   :mime-charset 'euc-jis-2004)
 180
 181 (define-coding-system-alias 'euc-jisx0213 'euc-jis-2004)
 182
 183 (define-coding-system 'japanese-shift-jis-2004
 184   "Shift_JIS 8-bit encodinf for Japanese (MIME:SHIFT_JIS-2004)"
 185   :coding-type 'shift-jis
 186   :mnemonic ?S
 187   :charset-list '(ascii katakana-jisx0201
 188                         japanese-jisx0213.2004-1 japanese-jisx0213-2))
 189
 190 (define-coding-system-alias 'shift_jis-2004 'japanese-shift-jis-2004)
 191
 192 (set-language-info-alist
 193  "Japanese" '((setup-function . setup-japanese-environment-internal)
 194               (tutorial . "TUTORIAL.ja")
 195               (charset japanese-jisx0208
 196                        japanese-jisx0212 latin-jisx0201 katakana-jisx0201
 197                        japanese-jisx0213.2004-1 japanese-jisx0213-1
 198                        japanese-jisx0213-2 japanese-jisx0208-1978)
 199               (coding-system iso-2022-jp japanese-iso-8bit
 200                              japanese-shift-jis japanese-iso-7bit-1978-irv
 201                              iso-2022-jp-2004 japanese-shift-jis-2004
 202                              euc-jis-2004)
 203               (coding-priority iso-2022-jp japanese-iso-8bit
 204                                japanese-shift-jis
 205                                iso-2022-jp-2004 euc-jis-2004
 206                                japanese-shift-jis-2004
 207                                iso-2022-jp-2)
 208               (input-method . "japanese")
 209               (features japan-util)
 210               (sample-text . "Japanese (\e$BF|K\8l\e(B)   \e$B$3$s$K$A$O\e(B, \e(I:]FAJ\e(B")
 211               (documentation . t)))
 212
 213 (let ((map
 214        ;; JISX0213-1 vs Unicode
 215        '((#x2477 . [#x304B #x309A])
 216          (#x2478 . [#x304D #x309A])
 217          (#x2479 . [#x304F #x309A])
 218          (#x247a . [#x3051 #x309A])
 219          (#x247b . [#x3053 #x309A])
 220          (#x2577 . [#x30AB #x309A])
 221          (#x2578 . [#x30AD #x309A])
 222          (#x2579 . [#x30AF #x309A])
 223          (#x257a . [#x30B1 #x309A])
 224          (#x257b . [#x30B3 #x309A])
 225          (#x257c . [#x30BB #x309A])
 226          (#x257d . [#x30C4 #x309A])
 227          (#x257e . [#x30C8 #x309A])
 228          (#x2678 . [#x31F7 #x309A])
 229          (#x2b44 . [#x00E6 #x0300])
 230          (#x2b48 . [#x0254 #x0300])
 231          (#x2b49 . [#x0254 #x0301])
 232          (#x2b4a . [#x028C #x0300])
 233          (#x2b4b . [#x028C #x0301])
 234          (#x2b4c . [#x0259 #x0300])
 235          (#x2b4d . [#x0259 #x0301])
 236          (#x2b4e . [#x025A #x0300])
 237          (#x2b4f . [#x025A #x0301])
 238          (#x2b65 . [#x02E9 #x02E5])
 239          (#x2b66 . [#x02E5 #x02E9])))
 240       table)
 241   (dolist (elt map)
 242     (setcar elt (decode-char 'japanese-jisx0213-1 (car elt))))
 243   (setq table (make-translation-table-from-alist map))
 244   (define-translation-table 'jisx0213-to-unicode table)
 245   (define-translation-table 'unicode-to-jisx0213
 246     (char-table-extra-slot table 0)))
 247
 248 (provide 'japanese)
 249
 250 ;;; arch-tag: 450f5537-9d53-4d5e-b731-4cf116d8cbc9
 251 ;;; japanese.el ends here