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277 lines
10 KiB
EmacsLisp
277 lines
10 KiB
EmacsLisp
;;; japanese.el --- support for Japanese -*- coding: iso-2022-7bit -*-
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;; Copyright (C) 1997, 2001-2016 Free Software Foundation, Inc.
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;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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;; 2005, 2006, 2007, 2008, 2009, 2010, 2011
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;; National Institute of Advanced Industrial Science and Technology (AIST)
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;; Registration Number H14PRO021
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;; Copyright (C) 2003
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;; National Institute of Advanced Industrial Science and Technology (AIST)
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;; Registration Number H13PRO009
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;; Keywords: multilingual, Japanese
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; For Japanese, character sets JISX0201, JISX0208, JISX0212 are
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;; supported.
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;;; Code:
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;;; Load translation tables for CP932.
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(require 'cp51932)
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(require 'eucjp-ms)
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(define-coding-system 'iso-2022-jp
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"ISO 2022 based 7bit encoding for Japanese (MIME:ISO-2022-JP)."
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:coding-type 'iso-2022
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:mnemonic ?J
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:designation [(ascii japanese-jisx0208-1978 japanese-jisx0208
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latin-jisx0201)
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nil nil nil]
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:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation)
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:charset-list '(ascii japanese-jisx0208
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japanese-jisx0208-1978 latin-jisx0201)
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:mime-charset 'iso-2022-jp
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:suitable-for-keyboard t)
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(define-coding-system-alias 'junet 'iso-2022-jp)
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(define-coding-system 'iso-2022-jp-2
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"ISO 2022 based 7bit encoding for CJK, Latin-1, Greek (MIME:ISO-2022-JP-2)."
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:coding-type 'iso-2022
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:mnemonic ?J
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:designation [(ascii japanese-jisx0208-1978 japanese-jisx0208
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latin-jisx0201 japanese-jisx0212
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chinese-gb2312 korean-ksc5601)
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nil
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(nil latin-iso8859-1 greek-iso8859-7)
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nil]
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:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation single-shift
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init-at-bol)
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:charset-list '(ascii japanese-jisx0208 japanese-jisx0212
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latin-jisx0201 japanese-jisx0208-1978
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chinese-gb2312 korean-ksc5601
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latin-iso8859-1 greek-iso8859-7)
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:mime-charset 'iso-2022-jp-2
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:suitable-for-keyboard t)
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(let ((map ; JIS vs CP932
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'((#x301C . #xFF5E) ; WAVE DASH FULLWIDTH TILDE
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(#x2014 . #x2015) ; EM DASH HORIZONTAL BAR
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(#x2016 . #x2225) ; DOUBLE VERTICAL LINE PARALLEL TO
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(#x2212 . #xFF0D) ; MINUS SIGN FULLWIDTH HYPHEN-MINUS
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(#x00A2 . #xFFE0) ; CENT SIGN FULLWIDTH CENT SIGN
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(#x00A3 . #xFFE1) ; POUND SIGN FULLWIDTH POUND SIGN
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(#x00AC . #xFFE2) ; NOT SIGN FULLWIDTH NOT SIGN
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(#x00A6 . #xFFE4) ; BROKEN LINE FULLWIDTH BROKEN LINE
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)))
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(define-translation-table 'japanese-ucs-jis-to-cp932-map map)
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(mapc #'(lambda (x) (let ((tmp (car x)))
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(setcar x (cdr x)) (setcdr x tmp)))
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map)
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(define-translation-table 'japanese-ucs-cp932-to-jis-map map))
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;; U+2014 (EM DASH) vs U+2015 (HORIZONTAL BAR)
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(define-translation-table 'japanese-ucs-glibc-to-jis-map '((#x2015 . #x2014)))
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(define-translation-table 'japanese-ucs-jis-to-glibc-map '((#x2014 . #x2015)))
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(define-coding-system 'japanese-shift-jis
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"Shift-JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS)"
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:coding-type 'shift-jis
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:mnemonic ?S
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:charset-list '(ascii katakana-jisx0201 japanese-jisx0208)
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:mime-charset 'shift_jis)
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(define-coding-system-alias 'shift_jis 'japanese-shift-jis)
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(define-coding-system-alias 'sjis 'japanese-shift-jis)
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(define-coding-system 'japanese-cp932
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"CP932 (Microsoft shift-jis)"
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:coding-type 'charset
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:mnemonic ?S
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:charset-list '(ascii katakana-sjis cp932-2-byte))
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(define-coding-system-alias 'cp932 'japanese-cp932)
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(define-coding-system 'japanese-iso-7bit-1978-irv
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"ISO 2022 based 7-bit encoding for Japanese JISX0208-1978 and JISX0201-Roman."
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:coding-type 'iso-2022
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:mnemonic ?j
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:designation [(latin-jisx0201 japanese-jisx0208-1978 japanese-jisx0208
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japanese-jisx0212 katakana-jisx0201)
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nil nil nil]
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:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation
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use-roman use-oldjis)
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:charset-list '(ascii latin-jisx0201 japanese-jisx0208-1978 japanese-jisx0208
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japanese-jisx0212))
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(define-coding-system-alias 'iso-2022-jp-1978-irv 'japanese-iso-7bit-1978-irv)
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(define-coding-system-alias 'old-jis 'japanese-iso-7bit-1978-irv)
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(define-coding-system 'japanese-iso-8bit
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"ISO 2022 based EUC encoding for Japanese (MIME:EUC-JP)."
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:coding-type 'iso-2022
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:mnemonic ?E
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:designation [ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212]
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:flags '(short ascii-at-eol ascii-at-cntl single-shift)
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:charset-list '(ascii latin-jisx0201 japanese-jisx0208
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katakana-jisx0201 japanese-jisx0212
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japanese-jisx0208-1978)
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:mime-charset 'euc-jp)
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(define-coding-system-alias 'euc-japan-1990 'japanese-iso-8bit)
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(define-coding-system-alias 'euc-japan 'japanese-iso-8bit)
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(define-coding-system-alias 'euc-jp 'japanese-iso-8bit)
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(define-coding-system 'eucjp-ms
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"eucJP-ms (like EUC-JP but with CP932 extension).
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eucJP-ms is defined in <http://www.opengroup.or.jp/jvc/cde/appendix.html>."
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:coding-type 'iso-2022
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:mnemonic ?E
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:designation [ascii japanese-jisx0208 katakana-jisx0201 japanese-jisx0212]
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:flags '(short ascii-at-eol ascii-at-cntl single-shift)
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:charset-list '(ascii latin-jisx0201 japanese-jisx0208
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katakana-jisx0201 japanese-jisx0212)
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:decode-translation-table 'eucjp-ms-decode
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:encode-translation-table 'eucjp-ms-encode)
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(define-coding-system 'iso-2022-jp-2004
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"ISO 2022 based 7bit encoding for JIS X 0213:2004 (MIME:ISO-2022-JP-2004)."
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:coding-type 'iso-2022
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:mnemonic ?J
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:designation [(ascii japanese-jisx0208 japanese-jisx0213.2004-1
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japanese-jisx0213-1 japanese-jisx0213-2)
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nil nil nil]
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:flags '(short ascii-at-eol ascii-at-cntl 7-bit designation)
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;; init-at-bol)
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:charset-list '(ascii japanese-jisx0208 japanese-jisx0213.2004-1
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japanese-jisx0213-1 japanese-jisx0213-2)
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:mime-charset 'iso-2022-jp-2004
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:suitable-for-keyboard t)
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(define-coding-system-alias 'iso-2022-jp-3 'iso-2022-jp-2004)
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(define-coding-system 'euc-jis-2004
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"ISO 2022 based EUC encoding for JIS X 0213 (MIME:EUC-JIS-2004)."
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:coding-type 'iso-2022
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:mnemonic ?E
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:designation [ascii japanese-jisx0213.2004-1 katakana-jisx0201
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japanese-jisx0213-2]
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:flags '(short ascii-at-eol ascii-at-cntl single-shift)
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:charset-list '(ascii latin-jisx0201 japanese-jisx0213.2004-1
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japanese-jisx0213-1 katakana-jisx0201
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japanese-jisx0213-2)
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:mime-charset 'euc-jis-2004)
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(define-coding-system-alias 'euc-jisx0213 'euc-jis-2004)
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(define-coding-system 'japanese-shift-jis-2004
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"Shift_JIS 8-bit encoding for Japanese (MIME:SHIFT_JIS-2004)"
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:coding-type 'shift-jis
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:mnemonic ?S
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:charset-list '(ascii katakana-jisx0201
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japanese-jisx0213.2004-1 japanese-jisx0213-2))
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(define-coding-system-alias 'shift_jis-2004 'japanese-shift-jis-2004)
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(set-language-info-alist
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"Japanese" '((setup-function . setup-japanese-environment-internal)
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(exit-function . use-default-char-width-table)
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(iso639-language . ja)
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(tutorial . "TUTORIAL.ja")
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(charset japanese-jisx0208
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japanese-jisx0212 latin-jisx0201 katakana-jisx0201
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japanese-jisx0213.2004-1 japanese-jisx0213-1
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japanese-jisx0213-2 japanese-jisx0208-1978)
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(coding-system iso-2022-jp japanese-iso-8bit
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japanese-shift-jis japanese-iso-7bit-1978-irv
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iso-2022-jp-2004 japanese-shift-jis-2004
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euc-jis-2004)
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(coding-priority iso-2022-jp japanese-iso-8bit
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japanese-shift-jis
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iso-2022-jp-2004 euc-jis-2004
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japanese-shift-jis-2004
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iso-2022-jp-2)
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(input-method . "japanese")
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(features japan-util)
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(sample-text . "Japanese ($BF|K\8l(B) $B$3$s$K$A$O(B, (I:]FAJ(B")
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(documentation . t)))
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(let ((map
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;; JISX0213-1 vs Unicode
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'((#x2477 . [#x304B #x309A])
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(#x2478 . [#x304D #x309A])
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(#x2479 . [#x304F #x309A])
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(#x247a . [#x3051 #x309A])
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(#x247b . [#x3053 #x309A])
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(#x2577 . [#x30AB #x309A])
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(#x2578 . [#x30AD #x309A])
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(#x2579 . [#x30AF #x309A])
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(#x257a . [#x30B1 #x309A])
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(#x257b . [#x30B3 #x309A])
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(#x257c . [#x30BB #x309A])
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(#x257d . [#x30C4 #x309A])
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(#x257e . [#x30C8 #x309A])
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(#x2678 . [#x31F7 #x309A])
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(#x2b44 . [#x00E6 #x0300])
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(#x2b48 . [#x0254 #x0300])
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(#x2b49 . [#x0254 #x0301])
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(#x2b4a . [#x028C #x0300])
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(#x2b4b . [#x028C #x0301])
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(#x2b4c . [#x0259 #x0300])
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(#x2b4d . [#x0259 #x0301])
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(#x2b4e . [#x025A #x0300])
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(#x2b4f . [#x025A #x0301])
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(#x2b65 . [#x02E9 #x02E5])
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(#x2b66 . [#x02E5 #x02E9])))
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table)
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(dolist (elt map)
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(setcar elt (decode-char 'japanese-jisx0213-1 (car elt))))
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(setq table (make-translation-table-from-alist map))
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(define-translation-table 'jisx0213-to-unicode table)
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(define-translation-table 'unicode-to-jisx0213
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(char-table-extra-slot table 0)))
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(defun compose-gstring-for-variation-glyph (gstring)
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"Compose glyph-string GSTRING for graphic display.
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GSTRING must have two glyphs; the first is a glyph for a han character,
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and the second is a glyph for a variation selector."
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(let* ((font (lgstring-font gstring))
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(han (lgstring-char gstring 0))
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(vs (lgstring-char gstring 1))
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(glyphs (font-variation-glyphs font han))
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(g0 (lgstring-glyph gstring 0))
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(g1 (lgstring-glyph gstring 1)))
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(catch 'tag
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(dolist (elt glyphs)
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(if (= (car elt) vs)
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(progn
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(lglyph-set-code g0 (cdr elt))
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(lglyph-set-from-to g0 (lglyph-from g0) (lglyph-to g1))
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(lgstring-set-glyph gstring 1 nil)
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(throw 'tag gstring)))))))
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(let ((elt '([".." 1 compose-gstring-for-variation-glyph])))
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(set-char-table-range composition-function-table '(#xFE00 . #xFE0F) elt)
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(set-char-table-range composition-function-table '(#xE0100 . #xE01EF) elt))
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(provide 'japanese)
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;;; japanese.el ends here
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