;;; japanese.el --- support for Japanese -*- coding: iso-2022-7bit -*-
;; Copyright (C) 1997, 2001-2015 Free Software Foundation, Inc.
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007, 2008, 2009, 2010, 2011
;; National Institute of Advanced Industrial Science and Technology (AIST)
;; Registration Number H14PRO021
;; Copyright (C) 2003
;; National Institute of Advanced Industrial Science and Technology (AIST)
;; Registration Number H13PRO009
;; Keywords: multilingual, Japanese
;; 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 3 of the License, 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. If not, see .
;;; Commentary:
;; For Japanese, character sets JISX0201, JISX0208, JISX0212 are
;; supported.
;;; Code:
;;; Load translation tables for CP932.
(load "international/cp51932")
(load "international/eucjp-ms")
(define-coding-system 'iso-2022-jp
"ISO 2022 based 7bit encoding for Japanese (MIME:ISO-2022-JP)."
:coding-type 'iso-2022
:mnemonic ?J
:designation [(ascii japanese-jisx0208-1978 japanese-jisx0208
latin-jisx0201)
nil nil nil]
:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation)
:charset-list '(ascii japanese-jisx0208
japanese-jisx0208-1978 latin-jisx0201)
:mime-charset 'iso-2022-jp
:suitable-for-keyboard t)
(define-coding-system-alias 'junet 'iso-2022-jp)
(define-coding-system 'iso-2022-jp-2
"ISO 2022 based 7bit encoding for CJK, Latin-1, Greek (MIME:ISO-2022-JP-2)."
:coding-type 'iso-2022
:mnemonic ?J
:designation [(ascii japanese-jisx0208-1978 japanese-jisx0208
latin-jisx0201 japanese-jisx0212
chinese-gb2312 korean-ksc5601)
nil
(nil latin-iso8859-1 greek-iso8859-7)
nil]
:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation single-shift
init-at-bol)
:charset-list '(ascii japanese-jisx0208 japanese-jisx0212
latin-jisx0201 japanese-jisx0208-1978
chinese-gb2312 korean-ksc5601
latin-iso8859-1 greek-iso8859-7)
:mime-charset 'iso-2022-jp-2
:suitable-for-keyboard t)
(let ((map ; JIS vs CP932
'((#x301C . #xFF5E) ; WAVE DASH FULLWIDTH TILDE
(#x2014 . #x2015) ; EM DASH HORIZONTAL BAR
(#x2016 . #x2225) ; DOUBLE VERTICAL LINE PARALLEL TO
(#x2212 . #xFF0D) ; MINUS SIGN FULLWIDTH HYPHEN-MINUS
(#x00A2 . #xFFE0) ; CENT SIGN FULLWIDTH CENT SIGN
(#x00A3 . #xFFE1) ; POUND SIGN FULLWIDTH POUND SIGN
(#x00AC . #xFFE2) ; NOT SIGN FULLWIDTH NOT SIGN
(#x00A6 . #xFFE4) ; BROKEN LINE FULLWIDTH BROKEN LINE
)))
(define-translation-table 'japanese-ucs-jis-to-cp932-map map)
(mapc #'(lambda (x) (let ((tmp (car x)))
(setcar x (cdr x)) (setcdr x tmp)))
map)
(define-translation-table 'japanese-ucs-cp932-to-jis-map map))
;; U+2014 (EM DASH) vs U+2015 (HORIZONTAL BAR)
(define-translation-table 'japanese-ucs-glibc-to-jis-map '((#x2015 . #x2014)))
(define-translation-table 'japanese-ucs-jis-to-glibc-map '((#x2014 . #x2015)))
(define-coding-system 'japanese-shift-jis
"Shift-JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS)"
:coding-type 'shift-jis
:mnemonic ?S
:charset-list '(ascii katakana-jisx0201 japanese-jisx0208)
:mime-charset 'shift_jis)
(define-coding-system-alias 'shift_jis 'japanese-shift-jis)
(define-coding-system-alias 'sjis 'japanese-shift-jis)
(define-coding-system 'japanese-cp932
"CP932 (Microsoft shift-jis)"
:coding-type 'charset
:mnemonic ?S
:charset-list '(ascii katakana-sjis cp932-2-byte))
(define-coding-system-alias 'cp932 'japanese-cp932)
(define-coding-system 'japanese-iso-7bit-1978-irv
"ISO 2022 based 7-bit encoding for Japanese JISX0208-1978 and JISX0201-Roman."
:coding-type 'iso-2022
:mnemonic ?j
:designation [(latin-jisx0201 japanese-jisx0208-1978 japanese-jisx0208
japanese-jisx0212 katakana-jisx0201)
nil nil nil]
:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation
use-roman use-oldjis)
:charset-list '(ascii latin-jisx0201 japanese-jisx0208-1978 japanese-jisx0208
japanese-jisx0212))
(define-coding-system-alias 'iso-2022-jp-1978-irv 'japanese-iso-7bit-1978-irv)
(define-coding-system-alias 'old-jis 'japanese-iso-7bit-1978-irv)
(define-coding-system 'japanese-iso-8bit
"ISO 2022 based EUC encoding for Japanese (MIME:EUC-JP)."
:coding-type 'iso-2022
:mnemonic ?E
:designation [ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212]
:flags '(short ascii-at-eol ascii-at-cntl single-shift)
:charset-list '(ascii latin-jisx0201 japanese-jisx0208
katakana-jisx0201 japanese-jisx0212
japanese-jisx0208-1978)
:mime-charset 'euc-jp)
(define-coding-system-alias 'euc-japan-1990 'japanese-iso-8bit)
(define-coding-system-alias 'euc-japan 'japanese-iso-8bit)
(define-coding-system-alias 'euc-jp 'japanese-iso-8bit)
(define-coding-system 'eucjp-ms
"eucJP-ms (like EUC-JP but with CP932 extension).
eucJP-ms is defined in ."
:coding-type 'iso-2022
:mnemonic ?E
:designation [ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212]
:flags '(short ascii-at-eol ascii-at-cntl single-shift)
:charset-list '(ascii latin-jisx0201 japanese-jisx0208
katakana-jisx0201 japanese-jisx0212)
:decode-translation-table 'eucjp-ms-decode
:encode-translation-table 'eucjp-ms-encode)
(define-coding-system 'iso-2022-jp-2004
"ISO 2022 based 7bit encoding for JIS X 0213:2004 (MIME:ISO-2022-JP-2004)."
:coding-type 'iso-2022
:mnemonic ?J
:designation [(ascii japanese-jisx0208 japanese-jisx0213.2004-1
japanese-jisx0213-1 japanese-jisx0213-2)
nil nil nil]
:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation)
;; init-at-bol)
:charset-list '(ascii japanese-jisx0208 japanese-jisx0213.2004-1
japanese-jisx0213-1 japanese-jisx0213-2)
:mime-charset 'iso-2022-jp-2004
:suitable-for-keyboard t)
(define-coding-system-alias 'iso-2022-jp-3 'iso-2022-jp-2004)
(define-coding-system 'euc-jis-2004
"ISO 2022 based EUC encoding for JIS X 0213 (MIME:EUC-JIS-2004)."
:coding-type 'iso-2022
:mnemonic ?E
:designation [ascii japanese-jisx0213.2004-1 katakana-jisx0201
japanese-jisx0213-2]
:flags '(short ascii-at-eol ascii-at-cntl single-shift)
:charset-list '(ascii latin-jisx0201 japanese-jisx0213.2004-1
japanese-jisx0213-1 katakana-jisx0201
japanese-jisx0213-2)
:mime-charset 'euc-jis-2004)
(define-coding-system-alias 'euc-jisx0213 'euc-jis-2004)
(define-coding-system 'japanese-shift-jis-2004
"Shift_JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS-2004)"
:coding-type 'shift-jis
:mnemonic ?S
:charset-list '(ascii katakana-jisx0201
japanese-jisx0213.2004-1 japanese-jisx0213-2))
(define-coding-system-alias 'shift_jis-2004 'japanese-shift-jis-2004)
(set-language-info-alist
"Japanese" '((setup-function . setup-japanese-environment-internal)
(exit-function . use-default-char-width-table)
(iso639-language . ja)
(tutorial . "TUTORIAL.ja")
(charset japanese-jisx0208
japanese-jisx0212 latin-jisx0201 katakana-jisx0201
japanese-jisx0213.2004-1 japanese-jisx0213-1
japanese-jisx0213-2 japanese-jisx0208-1978)
(coding-system iso-2022-jp japanese-iso-8bit
japanese-shift-jis japanese-iso-7bit-1978-irv
iso-2022-jp-2004 japanese-shift-jis-2004
euc-jis-2004)
(coding-priority iso-2022-jp japanese-iso-8bit
japanese-shift-jis
iso-2022-jp-2004 euc-jis-2004
japanese-shift-jis-2004
iso-2022-jp-2)
(input-method . "japanese")
(features japan-util)
(sample-text . "Japanese ($BF|K\8l(B) $B$3$s$K$A$O(B, (I:]FAJ(B")
(documentation . t)))
(let ((map
;; JISX0213-1 vs Unicode
'((#x2477 . [#x304B #x309A])
(#x2478 . [#x304D #x309A])
(#x2479 . [#x304F #x309A])
(#x247a . [#x3051 #x309A])
(#x247b . [#x3053 #x309A])
(#x2577 . [#x30AB #x309A])
(#x2578 . [#x30AD #x309A])
(#x2579 . [#x30AF #x309A])
(#x257a . [#x30B1 #x309A])
(#x257b . [#x30B3 #x309A])
(#x257c . [#x30BB #x309A])
(#x257d . [#x30C4 #x309A])
(#x257e . [#x30C8 #x309A])
(#x2678 . [#x31F7 #x309A])
(#x2b44 . [#x00E6 #x0300])
(#x2b48 . [#x0254 #x0300])
(#x2b49 . [#x0254 #x0301])
(#x2b4a . [#x028C #x0300])
(#x2b4b . [#x028C #x0301])
(#x2b4c . [#x0259 #x0300])
(#x2b4d . [#x0259 #x0301])
(#x2b4e . [#x025A #x0300])
(#x2b4f . [#x025A #x0301])
(#x2b65 . [#x02E9 #x02E5])
(#x2b66 . [#x02E5 #x02E9])))
table)
(dolist (elt map)
(setcar elt (decode-char 'japanese-jisx0213-1 (car elt))))
(setq table (make-translation-table-from-alist map))
(define-translation-table 'jisx0213-to-unicode table)
(define-translation-table 'unicode-to-jisx0213
(char-table-extra-slot table 0)))
(defun compose-gstring-for-variation-glyph (gstring)
"Compose glyph-string GSTRING for graphic display.
GSTRING must have two glyphs; the first is a glyph for a han character,
and the second is a glyph for a variation selector."
(let* ((font (lgstring-font gstring))
(han (lgstring-char gstring 0))
(vs (lgstring-char gstring 1))
(glyphs (font-variation-glyphs font han))
(g0 (lgstring-glyph gstring 0))
(g1 (lgstring-glyph gstring 1)))
(catch 'tag
(dolist (elt glyphs)
(if (= (car elt) vs)
(progn
(lglyph-set-code g0 (cdr elt))
(lglyph-set-from-to g0 (lglyph-from g0) (lglyph-to g1))
(lgstring-set-glyph gstring 1 nil)
(throw 'tag gstring)))))))
(let ((elt '([".." 1 compose-gstring-for-variation-glyph])))
(set-char-table-range composition-function-table '(#xFE00 . #xFE0F) elt)
(set-char-table-range composition-function-table '(#xE0100 . #xE01EF) elt))
(provide 'japanese)
;;; japanese.el ends here