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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 MORIOKA Tomohiko
   6
   7 ;; Keywords: multilingual, Japanese
   8
   9 ;; This file is part of SXEmacs.
  10
  11 ;; SXEmacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; SXEmacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25
  26 ;; For Japanese, character sets JISX0201, JISX0208, JISX0212 are
  27 ;; supported.
  28
  29 ;;; Code:
  30
  31 ;;; Syntax of Japanese characters.
  32 (modify-syntax-entry 'katakana-jisx0201 "w")
  33 (modify-syntax-entry 'japanese-jisx0212 "w")
  34
  35 (modify-syntax-entry 'japanese-jisx0208 "w")
  36 (loop for row in '(33 34 40)
  37       do (modify-syntax-entry `[japanese-jisx0208 ,row] "_"))
  38 (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)
  39       do (modify-syntax-entry char "w"))
  40 (modify-syntax-entry ?\\e$B!J\e(B "(\e$B!K\e(B")
  41 (modify-syntax-entry ?\\e$B!N\e(B "(\e$B!O\e(B")
  42 (modify-syntax-entry ?\\e$B!P\e(B "(\e$B!Q\e(B")
  43 (modify-syntax-entry ?\\e$B!V\e(B "(\e$B!W\e(B")
  44 (modify-syntax-entry ?\\e$B!X\e(B "(\e$B!Y\e(B")
  45 (modify-syntax-entry ?\\e$B!K\e(B ")\e$B!J\e(B")
  46 (modify-syntax-entry ?\\e$B!O\e(B ")\e$B!N\e(B")
  47 (modify-syntax-entry ?\\e$B!Q\e(B ")\e$B!P\e(B")
  48 (modify-syntax-entry ?\\e$B!W\e(B ")\e$B!V\e(B")
  49 (modify-syntax-entry ?\\e$B!Y\e(B ")\e$B!X\e(B")
  50
  51 ;;; Character categories S, A, H, K, G, Y, and C
  52 (define-category ?S "Japanese 2-byte symbol character.")
  53 (modify-category-entry [japanese-jisx0208 33] ?S)
  54 (modify-category-entry [japanese-jisx0208 34] ?S)
  55 (modify-category-entry [japanese-jisx0208 40] ?S)
  56 (define-category ?A "Japanese 2-byte Alphanumeric character.")
  57 (modify-category-entry [japanese-jisx0208 35] ?A)
  58 (define-category ?H "Japanese 2-byte Hiragana character.")
  59 (modify-category-entry [japanese-jisx0208 36] ?H)
  60 (define-category ?K "Japanese 2-byte Katakana character.")
  61 (modify-category-entry [japanese-jisx0208 37] ?K)
  62 (define-category ?G "Japanese 2-byte Greek character.")
  63 (modify-category-entry [japanese-jisx0208 38] ?G)
  64 (define-category ?Y "Japanese 2-byte Cyrillic character.")
  65 (modify-category-entry [japanese-jisx0208 39] ?Y)
  66 (define-category ?C "Japanese 2-byte Kanji characters.")
  67 (loop for row from 48 to 126
  68       do (modify-category-entry `[japanese-jisx0208 ,row] ?C))
  69 (loop for char in '(?\e$B!<\e(B ?\e$B!+\e(B ?\e$B!,\e(B)
  70       do (modify-category-entry char ?K)
  71          (modify-category-entry char ?H))
  72 (loop for char in '(?\e$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)
  73       do (modify-category-entry char ?C))
  74 (modify-category-entry 'japanese-jisx0212 ?C)
  75
  76 (defvar japanese-word-regexp
  77   "\\cA+\\cH*\\|\\cK+\\cH*\\|\\cC+\\cH*\\|\\cH+\\|\\ck+\\|\\sw+"
  78   "Regular expression used to match a Japanese word.")
  79
  80 (set-word-regexp japanese-word-regexp)
  81 (setq forward-word-regexp  "\\w\\>")
  82 (setq backward-word-regexp "\\<\\w")
  83
  84 ;;; Paragraph setting
  85 (setq sentence-end
  86       (concat
  87        "\\("
  88        "\\("
  89        "[.?!][]\"')}]*"
  90        "\\|"
  91        "[\e$B!%!)!*\e(B][\e$B!O!I!G!K!Q!M!S!U!W!Y\e(B]*"
  92        "\\)"
  93        "\\($\\|\t\\|  \\)"
  94        "\\|"
  95        "\e$B!#\e(B"
  96        "\\)"
  97        "[ \t\n]*"))
  98
  99 ;; allow paragraphs to start with a zenkaku space
 100 (setq paragraph-start    "[ \e$B!!\e(B\t\n\f]")
 101 (setq paragraph-separate "[ \e$B!!\e(B\t\f]*$")
 102
 103 ;; EGG specific setup
 104 (define-egg-environment 'japanese
 105   "Japanese settings for egg."
 106   (lambda ()
 107     (with-boundp '(its:*standard-modes* its:*current-map* wnn-server-type)
 108       (with-fboundp 'its:get-mode-map
 109         (when (not (featurep 'egg-jpn))
 110           (load "its-hira")
 111           (load "its-kata")
 112           (load "its-hankaku")
 113           (load "its-zenkaku")
 114           (setq its:*standard-modes*
 115                 (append
 116                  (list (its:get-mode-map "roma-kana")
 117                        (its:get-mode-map "roma-kata")
 118                        (its:get-mode-map "downcase")
 119                        (its:get-mode-map "upcase")
 120                        (its:get-mode-map "zenkaku-downcase")
 121                        (its:get-mode-map "zenkaku-upcase"))
 122                  its:*standard-modes*))
 123           (provide 'egg-jpn))
 124         (setq wnn-server-type 'jserver)
 125         ;; Can't do this here any more.  Must do it when selecting egg-wnn
 126         ;; or egg-sj3
 127         ;; (setq egg-default-startup-file "eggrc-wnn")
 128         (setq-default its:*current-map* (its:get-mode-map "roma-kana"))))))
 129
 130 ;; stuff for providing grammatic processing of Japanese text
 131 ;; something like this should probably be created for all environments...
 132 ;; #### Arrgh.  This stuff should defvar'd in either fill.el or kinsoku.el.
 133 ;; Then the language environment should set these things, probably buffer-
 134 ;; locally.
 135
 136 (defvar aletter (concat "\\(" ascii-char "\\|" kanji-char "\\)"))
 137 (defvar kanji-space-insertable (concat
 138            "\e$B!"\e(B" aletter                   "\\|"
 139            "\e$B!#\e(B" aletter                   "\\|"
 140            aletter "\e$B!J\e(B"                   "\\|"
 141            "\e$B!K\e(B" aletter                   "\\|"
 142            ascii-alphanumeric  kanji-kanji-char "\\|"
 143            kanji-kanji-char    ascii-alphanumeric ))
 144
 145 ;; #### will be moved to fill.el
 146 (defvar space-insertable (concat " " aletter "\\|" kanji-space-insertable)
 147   "Regexp for finding points that can have spaces inserted into them for justification")
 148 \f
 149 ;; (make-coding-system
 150 ;;  'iso-2022-jp 2 ?J
 151 ;;  "ISO 2022 based 7bit encoding for Japanese (MIME:ISO-2022-JP)"
 152 ;;  '((ascii japanese-jisx0208-1978 japanese-jisx0208
 153 ;;           latin-jisx0201 japanese-jisx0212 katakana-jisx0201) nil nil nil
 154 ;;    short ascii-eol ascii-cntl seven)
 155 ;;  '((safe-charsets ascii japanese-jisx0208-1978 japanese-jisx0208
 156 ;;                   latin-jisx0201 japanese-jisx0212 katakana-jisx0201)
 157 ;;    (mime-charset . iso-2022-jp)))
 158
 159 (make-coding-system
 160  'iso-2022-jp 'iso2022
 161  "Coding-system used for communication with mail and news in Japan."
 162  '(charset-g0 ascii
 163    short t
 164    seven t
 165    input-charset-conversion ((latin-jisx0201 ascii)
 166                              (japanese-jisx0208-1978 japanese-jisx0208))
 167    mnemonic "MULE/7bit"
 168    ))
 169
 170 (define-coding-system-alias 'junet 'iso-2022-jp)
 171
 172 ;; (make-coding-system
 173 ;;  'iso-2022-jp-2 2 ?J
 174 ;;  "ISO 2022 based 7bit encoding for CJK, Latin-1, and Greek (MIME:ISO-2022-JP-2)"
 175 ;;  '((ascii japanese-jisx0208-1978 japanese-jisx0208
 176 ;;           latin-jisx0201 japanese-jisx0212 katakana-jisx0201
 177 ;;           chinese-gb2312 korean-ksc5601) nil
 178 ;;           (nil latin-iso8859-1 greek-iso8859-7) nil
 179 ;;  short ascii-eol ascii-cntl seven nil single-shift)
 180 ;;  '((safe-charsets ascii japanese-jisx0208-1978 japanese-jisx0208
 181 ;;                   latin-jisx0201 japanese-jisx0212 katakana-jisx0201
 182 ;;                   chinese-gb2312 korean-ksc5601
 183 ;;                   latin-iso8859-1 greek-iso8859-7)
 184 ;;    (mime-charset . iso-2022-jp-2)))
 185
 186 ;; (make-coding-system
 187 ;;  'japanese-shift-jis 1 ?S
 188 ;;  "Shift-JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS)"
 189 ;;  nil
 190 ;;  '((safe-charsets ascii japanese-jisx0208 japanese-jisx0208-1978
 191 ;;                   latin-jisx0201 katakana-jisx0201)
 192 ;;    (mime-charset . shift_jis)
 193 ;;    (charset-origin-alist (japanese-jisx0208 "SJIS" encode-sjis-char)
 194 ;;                          (katakana-jisx0201 "SJIS" encode-sjis-char))))
 195
 196 (make-coding-system
 197  'shift_jis 'shift-jis
 198  "Coding-system of Shift-JIS used in Japan."
 199  '(mnemonic "Ja/SJIS"))
 200
 201 ;; (define-coding-system-alias 'shift_jis 'japanese-shift-jis)
 202 ;; (define-coding-system-alias 'sjis 'japanese-shift-jis)
 203
 204 ;; (make-coding-system
 205 ;;  'japanese-iso-7bit-1978-irv 2 ?j
 206 ;;  "ISO 2022 based 7-bit encoding for Japanese JISX0208-1978 and JISX0201-Roman"
 207 ;;  '((ascii japanese-jisx0208-1978 japanese-jisx0208
 208 ;;           latin-jisx0201 japanese-jisx0212 katakana-jisx0201 t) nil nil nil
 209 ;;    short ascii-eol ascii-cntl seven nil nil use-roman use-oldjis)
 210 ;;  '(ascii japanese-jisx0208-1978 japanese-jisx0208 latin-jisx0201))
 211
 212 (make-coding-system
 213  'iso-2022-jp-1978-irv 'iso2022
 214  "Coding-system used for old JIS terminal."
 215  '(charset-g0 ascii
 216    short t
 217    seven t
 218    output-charset-conversion ((ascii latin-jisx0201)
 219                               (japanese-jisx0208 japanese-jisx0208-1978))
 220    mnemonic "Ja-78/7bit"
 221    ))
 222
 223 ;; (define-coding-system-alias 'iso-2022-jp-1978-irv 'japanese-iso-7bit-1978-irv)
 224 ;; (define-coding-system-alias 'old-jis 'japanese-iso-7bit-1978-irv)
 225
 226 (define-coding-system-alias 'old-jis 'iso-2022-jp-1978-irv)
 227
 228 ;; (make-coding-system
 229 ;;  'japanese-iso-8bit 2 ?E
 230 ;;  "ISO 2022 based EUC encoding for Japanese (MIME:EUC-JP)"
 231 ;;  '(ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212
 232 ;;    short ascii-eol ascii-cntl nil nil single-shift)
 233 ;;  '((safe-charsets ascii latin-jisx0201 japanese-jisx0208 japanese-jisx0208-1978
 234 ;;                  katakana-jisx0201 japanese-jisx0212)
 235 ;;    (mime-charset . euc-jp)))
 236
 237 (make-coding-system
 238  'euc-jp 'iso2022
 239  "Coding-system of Japanese EUC (Extended Unix Code)."
 240  '(charset-g0 ascii
 241    charset-g1 japanese-jisx0208
 242    charset-g2 katakana-jisx0201
 243    charset-g3 japanese-jisx0212
 244    short t
 245    mnemonic "Ja/EUC"
 246    ))
 247
 248 ;; (define-coding-system-alias 'euc-japan-1990 'japanese-iso-8bit)
 249 ;; (define-coding-system-alias 'euc-japan 'japanese-iso-8bit)
 250 ;; (define-coding-system-alias 'euc-jp 'japanese-iso-8bit)
 251
 252 (define-coding-system-alias 'euc-japan 'euc-jp) ; only for w3
 253 (define-coding-system-alias 'japanese-euc 'euc-jp)
 254
 255 (set-language-info-alist
 256  "Japanese" '((setup-function . setup-japanese-environment-internal)
 257               (exit-function . exit-japanese-environment)
 258               (tutorial . "TUTORIAL.ja")
 259               (charset japanese-jisx0208 japanese-jisx0208-1978
 260                        japanese-jisx0212 latin-jisx0201 katakana-jisx0201)
 261               (coding-system iso-2022-jp euc-jp
 262                              shift_jis iso-2022-jp-2)
 263               (coding-priority iso-2022-jp euc-jp
 264                                shift_jis iso-2022-jp-2)
 265 ;;            (input-method . "japanese")
 266               (features japan-util)
 267               (sample-text . "Japanese (\e$BF|K\8l\e(B)   \e$B$3$s$K$A$O\e(B, \e(I:]FAJ\e(B")
 268               (documentation . t)))
 269
 270 ;;; japanese.el ends here