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egg-x0213.el
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egg-x0213.el
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;;; jisx0213.el --- Charset Definition for JIS X 0213
;; Copyright (C) 1999,2000 PFU LIMITED
;; Author: KATAYAMA Yoshio <kate@pfu.co.jp>
;; Maintainer: TOMURA Satoru <tomura@etl.go.jp>
;; Keywords: mule, multilingual, input method
;; This file is part of EGG.
;; EGG 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 2, or (at your option)
;; any later version.
;; EGG 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; This module defines JIS X 0213 character sets if these character
;; sets are not defined. This module also defines fixed-euc-jisx0213
;; coding systems if these coding systems are not defined and can be
;; defined.
;;; Code:
(if (not (charsetp 'japanese-jisx0213-1))
(define-charset 151 'japanese-jisx0213-1
[2 94 2 0 ?O 0 "JISX0213-1" "JISX0213-1" "JISX0213-1 (Japanese)"]))
(if (not (charsetp 'japanese-jisx0213-2))
(define-charset 254 'japanese-jisx0213-2
[2 94 2 0 ?P 0 "JISX0213-2" "JISX0213-2" "JISX0213-2 (Japanese)"]))
;; Mule-UCS is required to adopt fixed-euc-jisx0213.
(or
noninteractive ;; unnecessary in non-interactive mode.
(unless (or (require 'jisx0213)
(get 'jisx0213-to-jisx0208/0212 'translation-table))
(message "Mule-UCS not installed."))
(coding-system-p 'fixed-euc-jisx0213)
(progn
(define-ccl-program ccl-decode-fixed-euc-jisx0213
`(2
((r3 = ,(charset-id 'katakana-jisx0201))
(loop ;; ascii kana 212 208
(read r0) ;; r0 - 0 0 h h
(read r1) ;; r1 - l h l h
(if (r0 < ?\x80)
((if (r1 < ?\x80)
(write-repeat r1))
(write r3)
(write-repeat r1))
((r0 &= 127)
(r0 <<= 7)
(if (r1 > ?\x80)
((r1 &= 127)
(r2 = ,(charset-id 'japanese-jisx0213-1)))
(r2 = ,(charset-id 'japanese-jisx0213-2)))
(r0 += r1)
(translate-character jisx0213-to-jisx0208/0212 r2 r0)
(write-multibyte-character r2 r0)
(repeat)
))))))
(define-ccl-program ccl-encode-fixed-euc-jisx0213
`(2
((loop
(read-multibyte-character r0 r1)
(r6 = (r0 == ,(charset-id 'ascii))) ;G0
(r6 |= (r0 == ,(charset-id 'latin-jisx0201)))
(if r6
((write 0)
(write-repeat r1)))
(r6 = (r0 == ,(charset-id 'japanese-jisx0208)))
(r6 |= (r0 == ,(charset-id 'japanese-jisx0208-1978)))
(r6 |= (r0 == ,(charset-id 'japanese-jisx0213-1)))
(if r6 ;G1
((r2 = (r1 >> 7))
(write (r2 | ?\x80))
(write ((r1 & ?\x7f) | ?\x80))
(repeat)))
(if (r0 == ,(charset-id 'katakana-jisx0201)) ;G2
((write 0)
(write (r1 | ?\x80))
(repeat)))
(r6 = (r0 == ,(charset-id 'japanese-jisx0212))) ;G3
(r6 |= (r0 == ,(charset-id 'japanese-jisx0213-2)))
(if r6
((r2 = (r1 >> 7))
(write (r2 | ?\x80))
(write (r1 & ?\x7f))
(repeat)))
(repeat)))))
(make-coding-system
'fixed-euc-jisx0213 4 ?W "Coding System for fixed EUC Japanese"
(cons ccl-decode-fixed-euc-jisx0213 ccl-encode-fixed-euc-jisx0213))))
(provide 'egg-x0213)