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   1 ;;; japanese.el --- Japanese support -*- coding: iso-2022-7bit; -*-
   2
   3 ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
   4 ;; Licensed to the Free Software Foundation.
   5 ;; Copyright (C) 1997,1999,2002 MORIOKA Tomohiko
   6
   7 ;; Keywords: multilingual, Japanese
   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 Japanese, character sets JISX0201, JISX0208, JISX0212 are
  29 ;; supported.
  30
  31 ;;; Code:
  32
  33 ;;; Syntax of Japanese characters.
  34 (modify-syntax-entry 'katakana-jisx0201 "w")
  35 (modify-syntax-entry 'japanese-jisx0212 "w")
  36
  37 (modify-syntax-entry 'japanese-jisx0208 "w")
  38 (loop for row in '(33 34 40)
  39       do (modify-syntax-entry `[japanese-jisx0208 ,row] "_"))
  40 (loop for char in '(?\e$B!<\e(B ?\e$B!+\e(B ?\e$B!,\e(B ?\e$B!3\e(B ?\e$B!4\e(B ?\e$B!5\e(B ?\e$B!6\e(B ?\e$B!7\e(B ?\e$B!8\e(B ?\e$B!9\e(B ?\e$B!:\e(B ?\e$B!;\e(B)
  41       do (modify-syntax-entry char "w"))
  42 (modify-syntax-entry ?\\e$B!J\e(B "(\e$B!K\e(B")
  43 (modify-syntax-entry ?\\e$B!N\e(B "(\e$B!O\e(B")
  44 (modify-syntax-entry ?\\e$B!P\e(B "(\e$B!Q\e(B")
  45 (modify-syntax-entry ?\\e$B!V\e(B "(\e$B!W\e(B")
  46 (modify-syntax-entry ?\\e$B!X\e(B "(\e$B!Y\e(B")
  47 (modify-syntax-entry ?\\e$B!K\e(B ")\e$B!J\e(B")
  48 (modify-syntax-entry ?\\e$B!O\e(B ")\e$B!N\e(B")
  49 (modify-syntax-entry ?\\e$B!Q\e(B ")\e$B!P\e(B")
  50 (modify-syntax-entry ?\\e$B!W\e(B ")\e$B!V\e(B")
  51 (modify-syntax-entry ?\\e$B!Y\e(B ")\e$B!X\e(B")
  52
  53 ;;; Character categories S, A, H, K, G, Y, and C
  54 (define-category ?S "Japanese 2-byte symbol character.")
  55 (modify-category-entry [japanese-jisx0208 33] ?S)
  56 (modify-category-entry [japanese-jisx0208 34] ?S)
  57 (modify-category-entry [japanese-jisx0208 40] ?S)
  58 (define-category ?A "Japanese 2-byte Alphanumeric character.")
  59 (modify-category-entry [japanese-jisx0208 35] ?A)
  60 (define-category ?H "Japanese 2-byte Hiragana character.")
  61 (modify-category-entry [japanese-jisx0208 36] ?H)
  62 (define-category ?K "Japanese 2-byte Katakana character.")
  63 (modify-category-entry [japanese-jisx0208 37] ?K)
  64 (define-category ?G "Japanese 2-byte Greek character.")
  65 (modify-category-entry [japanese-jisx0208 38] ?G)
  66 (define-category ?Y "Japanese 2-byte Cyrillic character.")
  67 (modify-category-entry [japanese-jisx0208 39] ?Y)
  68 (define-category ?C "Japanese 2-byte Kanji characters.")
  69 (loop for row from 48 to 126
  70       do (modify-category-entry `[japanese-jisx0208 ,row] ?C))
  71 (loop for char in '(?\e$B!<\e(B ?\e$B!+\e(B ?\e$B!,\e(B)
  72       do (modify-category-entry char ?K)
  73          (modify-category-entry char ?H))
  74 (loop for char in '(?\e$B!3\e(B ?\e$B!4\e(B ?\e$B!5\e(B ?\e$B!6\e(B ?\e$B!7\e(B ?\e$B!8\e(B ?\e$B!9\e(B ?\e$B!:\e(B ?\e$B!;\e(B)
  75       do (modify-category-entry char ?C))
  76 (modify-category-entry 'japanese-jisx0212 ?C)
  77
  78 (defvar japanese-word-regexp
  79   "\\cA+\\cH*\\|\\cK+\\cH*\\|\\cC+\\cH*\\|\\cH+\\|\\ck+\\|\\sw+"
  80   "Regular expression used to match a Japanese word.")
  81
  82 (set-word-regexp japanese-word-regexp)
  83 (setq forward-word-regexp  "\\w\\>")
  84 (setq backward-word-regexp "\\<\\w")
  85
  86 ;;; Paragraph setting
  87 (setq sentence-end
  88       (concat
  89        "\\("
  90        "\\("
  91        "[.?!][]\"')}]*"
  92        "\\|"
  93        "[\e$B!%!)!*\e(B][\e$B!O!I!G!K!Q!M!S!U!W!Y\e(B]*"
  94        "\\)"
  95        "\\($\\|\t\\|  \\)"
  96        "\\|"
  97        "\e$B!#\e(B"
  98        "\\)"
  99        "[ \t\n]*"))
 100 (setq paragraph-start    "^[ \e$B!!\e(B\t\n\f]")
 101 (setq paragraph-separate "^[ \e$B!!\e(B\t\f]*$")
 102
 103 ;; EGG specific setup
 104 (define-egg-environment 'japanese
 105   "Japanese settings for egg."
 106   (lambda ()
 107     (when (not (featurep 'egg-jpn))
 108       (load "its-hira")
 109       (load "its-kata")
 110       (load "its-hankaku")
 111       (load "its-zenkaku")
 112       (setq its:*standard-modes*
 113             (append
 114              (list (its:get-mode-map "roma-kana")
 115                    (its:get-mode-map "roma-kata")
 116                    (its:get-mode-map "downcase")
 117                    (its:get-mode-map "upcase")
 118                    (its:get-mode-map "zenkaku-downcase")
 119                    (its:get-mode-map "zenkaku-upcase"))
 120              its:*standard-modes*))
 121       (provide 'egg-jpn))
 122     (setq wnn-server-type 'jserver)
 123     ;; Can't do this here any more.  Must do it when selecting egg-wnn
 124     ;; or egg-sj3
 125     ;; (setq egg-default-startup-file "eggrc-wnn")
 126     (setq-default its:*current-map* (its:get-mode-map "roma-kana"))))
 127
 128 ;; stuff for providing grammatic processing of Japanese text
 129 ;; something like this should probably be created for all environments...
 130 ;; #### Arrgh.  This stuff should defvar'd in either fill.el or kinsoku.el.
 131 ;; Then the language environment should set these things, probably buffer-
 132 ;; locally.
 133
 134 (defvar aletter (concat "\\(" ascii-char "\\|" kanji-char "\\)"))
 135 (defvar kanji-space-insertable (concat
 136            "\e$B!"\e(B" aletter                   "\\|"
 137            "\e$B!#\e(B" aletter                   "\\|"
 138            aletter "\e$B!J\e(B"                   "\\|"
 139            "\e$B!K\e(B" aletter                   "\\|"
 140            ascii-alphanumeric  kanji-kanji-char "\\|"
 141            kanji-kanji-char    ascii-alphanumeric ))
 142
 143 ;; #### will be moved to fill.el
 144 (defvar space-insertable (concat " " aletter "\\|" kanji-space-insertable)
 145   "Regexp for finding points that can have spaces inserted into them for justification")
 146 \f
 147 ;; (make-coding-system
 148 ;;  'iso-2022-jp 2 ?J
 149 ;;  "ISO 2022 based 7bit encoding for Japanese (MIME:ISO-2022-JP)"
 150 ;;  '((ascii japanese-jisx0208-1978 japanese-jisx0208
 151 ;;           latin-jisx0201 japanese-jisx0212 katakana-jisx0201) nil nil nil
 152 ;;    short ascii-eol ascii-cntl seven)
 153 ;;  '((safe-charsets ascii japanese-jisx0208-1978 japanese-jisx0208
 154 ;;                   latin-jisx0201 japanese-jisx0212 katakana-jisx0201)
 155 ;;    (mime-charset . iso-2022-jp)))
 156
 157 (make-coding-system
 158  'iso-2022-jp 'iso2022
 159  "Coding-system used for communication with mail and news in Japan."
 160  '(charset-g0 ascii
 161    short t
 162    seven t
 163    input-charset-conversion ((latin-jisx0201 ascii)
 164                              (japanese-jisx0208-1978 japanese-jisx0208))
 165    mnemonic "MULE/7bit"
 166    ))
 167
 168 (define-coding-system-alias 'junet 'iso-2022-jp)
 169
 170 ;; (make-coding-system
 171 ;;  'iso-2022-jp-2 2 ?J
 172 ;;  "ISO 2022 based 7bit encoding for CJK, Latin-1, and Greek (MIME:ISO-2022-JP-2)"
 173 ;;  '((ascii japanese-jisx0208-1978 japanese-jisx0208
 174 ;;           latin-jisx0201 japanese-jisx0212 katakana-jisx0201
 175 ;;           chinese-gb2312 korean-ksc5601) nil
 176 ;;           (nil latin-iso8859-1 greek-iso8859-7) nil
 177 ;;  short ascii-eol ascii-cntl seven nil single-shift)
 178 ;;  '((safe-charsets ascii japanese-jisx0208-1978 japanese-jisx0208
 179 ;;                   latin-jisx0201 japanese-jisx0212 katakana-jisx0201
 180 ;;                   chinese-gb2312 korean-ksc5601
 181 ;;                   latin-iso8859-1 greek-iso8859-7)
 182 ;;    (mime-charset . iso-2022-jp-2)))
 183
 184 ;; (make-coding-system
 185 ;;  'japanese-shift-jis 1 ?S
 186 ;;  "Shift-JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS)"
 187 ;;  nil
 188 ;;  '((safe-charsets ascii japanese-jisx0208 japanese-jisx0208-1978
 189 ;;                   latin-jisx0201 katakana-jisx0201)
 190 ;;    (mime-charset . shift_jis)
 191 ;;    (charset-origin-alist (japanese-jisx0208 "SJIS" encode-sjis-char)
 192 ;;                          (katakana-jisx0201 "SJIS" encode-sjis-char))))
 193
 194 (make-coding-system
 195  'shift_jis 'shift-jis
 196  "Coding-system of Shift-JIS used in Japan."
 197  '(mnemonic "Ja/SJIS"))
 198
 199 ;; (define-coding-system-alias 'shift_jis 'japanese-shift-jis)
 200 ;; (define-coding-system-alias 'sjis 'japanese-shift-jis)
 201
 202 ;; (make-coding-system
 203 ;;  'japanese-iso-7bit-1978-irv 2 ?j
 204 ;;  "ISO 2022 based 7-bit encoding for Japanese JISX0208-1978 and JISX0201-Roman"
 205 ;;  '((ascii japanese-jisx0208-1978 japanese-jisx0208
 206 ;;           latin-jisx0201 japanese-jisx0212 katakana-jisx0201 t) nil nil nil
 207 ;;    short ascii-eol ascii-cntl seven nil nil use-roman use-oldjis)
 208 ;;  '(ascii japanese-jisx0208-1978 japanese-jisx0208 latin-jisx0201))
 209
 210 (make-coding-system
 211  'iso-2022-jp-1978-irv 'iso2022
 212  "Coding-system used for old JIS terminal."
 213  '(charset-g0 ascii
 214    short t
 215    seven t
 216    output-charset-conversion ((ascii latin-jisx0201)
 217                               (japanese-jisx0208 japanese-jisx0208-1978))
 218    mnemonic "Ja-78/7bit"
 219    ))
 220
 221 ;; (define-coding-system-alias 'iso-2022-jp-1978-irv 'japanese-iso-7bit-1978-irv)
 222 ;; (define-coding-system-alias 'old-jis 'japanese-iso-7bit-1978-irv)
 223
 224 (define-coding-system-alias 'old-jis 'iso-2022-jp-1978-irv)
 225
 226 ;; (make-coding-system
 227 ;;  'japanese-iso-8bit 2 ?E
 228 ;;  "ISO 2022 based EUC encoding for Japanese (MIME:EUC-JP)"
 229 ;;  '(ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212
 230 ;;    short ascii-eol ascii-cntl nil nil single-shift)
 231 ;;  '((safe-charsets ascii latin-jisx0201 japanese-jisx0208 japanese-jisx0208-1978
 232 ;;                  katakana-jisx0201 japanese-jisx0212)
 233 ;;    (mime-charset . euc-jp)))
 234
 235 (make-coding-system
 236  'euc-jp 'iso2022
 237  "Coding-system of Japanese EUC (Extended Unix Code)."
 238  '(charset-g0 ascii
 239    charset-g1 japanese-jisx0208
 240    charset-g2 katakana-jisx0201
 241    charset-g3 japanese-jisx0212
 242    short t
 243    mnemonic "Ja/EUC"
 244    ))
 245
 246 (make-coding-system
 247  'euc-jisx0213 'iso2022
 248  "Coding-system of Japanese EUC based on JIS X 0213."
 249  '(charset-g0 ascii
 250    charset-g1 japanese-jisx0213-1
 251    charset-g2 katakana-jisx0201
 252    charset-g3 japanese-jisx0213-2
 253    short t
 254    mnemonic "Ja/EUC0213"
 255    ))
 256
 257 ;; (define-coding-system-alias 'euc-japan-1990 'japanese-iso-8bit)
 258 ;; (define-coding-system-alias 'euc-japan 'japanese-iso-8bit)
 259 ;; (define-coding-system-alias 'euc-jp 'japanese-iso-8bit)
 260
 261 (define-coding-system-alias 'euc-japan 'euc-jp) ; only for w3
 262 (define-coding-system-alias 'japanese-euc 'euc-jp)
 263
 264 (set-language-info-alist
 265  "Japanese" '((setup-function . setup-japanese-environment-internal)
 266               (exit-function . exit-japanese-environment)
 267               (tutorial . "TUTORIAL.ja")
 268               (charset japanese-jisx0208 japanese-jisx0208-1978
 269                        japanese-jisx0212 latin-jisx0201 katakana-jisx0201)
 270               (coding-system iso-2022-jp euc-jp
 271                              shift_jis iso-2022-jp-2)
 272               (coding-priority iso-2022-jp euc-jp
 273                                shift_jis iso-2022-jp-2)
 274 ;;            (input-method . "japanese")
 275               (features japan-util)
 276               (sample-text . "Japanese (\e$BF|K\8l\e(B)   \e$B$3$s$K$A$O\e(B, \e(I:]FAJ\e(B")
 277               (documentation . t)))
 278
 279 ;;; japanese.el ends here