302 lines
10 KiB
EmacsLisp
302 lines
10 KiB
EmacsLisp
;;; chinese.el --- support for Chinese -*- coding: utf-8; lexical-binding: t; -*-
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;; Copyright (C) 2001-2024 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, Chinese
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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 <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; For Chinese, three character sets GB2312, BIG5, and CNS11643 are
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;; supported.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; Chinese (general)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-coding-system 'iso-2022-cn
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"ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN)."
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:coding-type 'iso-2022
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:mnemonic ?C
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:charset-list '(ascii chinese-gb2312 chinese-cns11643-1 chinese-cns11643-2)
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:designation [ascii
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(nil chinese-gb2312 chinese-cns11643-1)
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(nil chinese-cns11643-2)
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nil]
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:flags '(ascii-at-eol ascii-at-cntl 7-bit
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designation locking-shift single-shift init-at-bol)
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:mime-charset 'iso-2022-cn
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:suitable-for-keyboard t)
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(define-coding-system-alias 'chinese-iso-7bit 'iso-2022-cn)
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(define-coding-system 'iso-2022-cn-ext
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"ISO 2022 based 7bit encoding for Chinese GB and CNS (MIME:ISO-2022-CN-EXT)."
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:coding-type 'iso-2022
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:mnemonic ?C
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:charset-list '(ascii
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chinese-gb2312 chinese-cns11643-1
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chinese-cns11643-2 chinese-cns11643-3 chinese-cns11643-4
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chinese-cns11643-5 chinese-cns11643-6 chinese-cns11643-7)
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:designation '[ascii
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(nil chinese-gb2312 chinese-cns11643-1)
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(nil chinese-cns11643-2)
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(nil chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5
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chinese-cns11643-6 chinese-cns11643-7)]
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:flags '(ascii-at-eol ascii-at-cntl 7-bit
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designation locking-shift single-shift init-at-bol)
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:mime-charset 'iso-2022-cn-ext
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:suitable-for-keyboard t)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; Chinese GB2312 (simplified)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-coding-system 'chinese-iso-8bit
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"ISO 2022 based EUC encoding for Chinese GB2312 (MIME:GB2312)."
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:coding-type 'iso-2022
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:mnemonic ?c
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:charset-list '(ascii chinese-gb2312)
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:designation [ascii chinese-gb2312 nil nil]
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:mime-charset 'gb2312)
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(define-coding-system-alias 'cn-gb-2312 'chinese-iso-8bit)
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(define-coding-system-alias 'euc-china 'chinese-iso-8bit)
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(define-coding-system-alias 'euc-cn 'chinese-iso-8bit)
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(define-coding-system-alias 'cn-gb 'chinese-iso-8bit)
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(define-coding-system-alias 'gb2312 'chinese-iso-8bit)
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(define-coding-system 'chinese-hz
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"Hz/ZW 7-bit encoding for Chinese GB2312 (MIME:HZ-GB-2312)."
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:coding-type 'utf-8
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:mnemonic ?z
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:charset-list '(ascii chinese-gb2312)
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:mime-charset 'hz-gb-2312
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:post-read-conversion 'post-read-decode-hz
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:pre-write-conversion 'pre-write-encode-hz)
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(define-coding-system-alias 'hz-gb-2312 'chinese-hz)
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(define-coding-system-alias 'hz 'chinese-hz)
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;; FIXME: 'define-coding-system' automatically sets :ascii-compatible-p,
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;; to any encoding whose :coding-type is 'utf-8', but UTF-7 is not ASCII
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;; compatible, so we override that here (bug#40407).
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(coding-system-put 'chinese-hz :ascii-compatible-p nil)
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(set-language-info-alist
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"Chinese-GB" '((charset chinese-gb2312 chinese-sisheng)
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(iso639-language . zh)
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(cjk-locale-symbol . zh_CN)
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(setup-function . (lambda ()
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(use-cjk-char-width-table 'zh_CN)))
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(exit-function . use-default-char-width-table)
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(coding-system chinese-iso-8bit iso-2022-cn chinese-hz)
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(coding-priority chinese-iso-8bit chinese-gbk chinese-big5
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iso-2022-cn)
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(input-method . "chinese-py-punct")
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(features china-util)
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(sample-text . "Chinese (中文,普通话,汉语) 你好")
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(documentation . "Support for Chinese GB2312 character set.")
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(tutorial . "TUTORIAL.cn"))
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'("Chinese"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Chinese BIG5 (traditional)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-coding-system 'chinese-big5
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"BIG5 8-bit encoding for Chinese (MIME:Big5)"
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:coding-type 'big5
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:mnemonic ?B
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:charset-list '(ascii big5)
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:mime-charset 'big5)
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(define-coding-system-alias 'big5 'chinese-big5)
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(define-coding-system-alias 'cn-big5 'chinese-big5)
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(define-coding-system-alias 'cp950 'chinese-big5)
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(set-language-info-alist
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"Chinese-BIG5" '((charset chinese-big5-1 chinese-big5-2)
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(iso639-language . zh)
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(cjk-locale-symbol . zh_HK)
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(setup-function . (lambda ()
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(use-cjk-char-width-table 'zh_HK)))
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(exit-function . use-default-char-width-table)
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(coding-system chinese-big5 chinese-iso-7bit)
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(coding-priority chinese-big5 iso-2022-cn chinese-iso-8bit
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chinese-gbk)
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(input-method . "chinese-py-punct-b5")
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(ctext-non-standard-encodings "big5-0")
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(features china-util)
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(sample-text . "Cantonese (粵語,廣東話) 早晨, 你好")
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(documentation . "Support for Chinese Big5 character set.")
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(tutorial . "TUTORIAL.zh"))
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'("Chinese"))
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(define-coding-system 'chinese-big5-hkscs
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"BIG5-HKSCS 8-bit encoding for Chinese, Hong Kong supplement (MIME:Big5-HKSCS)"
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:coding-type 'charset
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:mnemonic ?B
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:charset-list '(ascii big5-hkscs)
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:mime-charset 'big5-hkscs)
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(define-coding-system-alias 'big5-hkscs 'chinese-big5-hkscs)
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(define-coding-system-alias 'cn-big5-hkscs 'chinese-big5-hkscs)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Chinese CNS11643 (traditional)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-coding-system 'euc-tw
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"ISO 2022 based EUC encoding for Chinese CNS11643."
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:coding-type 'iso-2022
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:mnemonic ?Z
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:charset-list '(ascii
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chinese-cns11643-1
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chinese-cns11643-2
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chinese-cns11643-3
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chinese-cns11643-4
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chinese-cns11643-5
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chinese-cns11643-6
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chinese-cns11643-7)
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:designation [ascii chinese-cns11643-1 (chinese-cns11643-1
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chinese-cns11643-2
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chinese-cns11643-3
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chinese-cns11643-4
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chinese-cns11643-5
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chinese-cns11643-6
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chinese-cns11643-7) nil]
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:mime-charset 'euc-tw)
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(define-coding-system-alias 'euc-taiwan 'euc-tw)
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(set-language-info-alist
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"Chinese-CNS" '((charset chinese-cns11643-1 chinese-cns11643-2
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chinese-cns11643-3 chinese-cns11643-4
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chinese-cns11643-5 chinese-cns11643-6
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chinese-cns11643-7)
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(iso639-language . zh)
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(cjk-locale-symbol . zh_TW)
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(setup-function . (lambda ()
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(use-cjk-char-width-table 'zh_TW)))
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(exit-function . use-default-char-width-table)
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(coding-system iso-2022-cn euc-tw)
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(coding-priority iso-2022-cn euc-tw chinese-big5
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chinese-iso-8bit chinese-gbk)
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(features china-util)
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(input-method . "chinese-cns-quick")
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;; Fixme: presumably it won't accept big5 now.
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(documentation . "\
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Support for Chinese CNS character sets. Note that the EUC-TW coding system
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accepts Big5 for input also (which is then converted to CNS)."))
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'("Chinese"))
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(set-language-info-alist
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"Chinese-EUC-TW" '((charset chinese-cns11643-1 chinese-cns11643-2
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chinese-cns11643-3 chinese-cns11643-4
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chinese-cns11643-5 chinese-cns11643-6
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chinese-cns11643-7 chinese-big5-1 chinese-big5-2)
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(iso639-language . zh)
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(cjk-locale-symbol . zh_TW)
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(setup-function . (lambda ()
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(use-cjk-char-width-table 'zh_TW)))
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(exit-function . use-default-char-width-table)
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(coding-system euc-tw iso-2022-cn)
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(coding-priority euc-tw chinese-big5 iso-2022-cn
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chinese-iso-8bit chinese-gbk)
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(features china-util)
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(input-method . "chinese-cns-quick")
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(documentation . "\
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Support for Chinese, preferring the EUC-TW character set. Note that
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the EUC-TW coding system accepts Big5 for input also (which is then
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converted to CNS)."))
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'("Chinese"))
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;;; Chinese GBK
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(define-coding-system 'chinese-gbk
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"GBK encoding for Chinese (MIME:GBK)."
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:coding-type 'charset
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:mnemonic ?c
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:charset-list '(ascii chinese-gbk)
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:mime-charset 'gbk)
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(define-coding-system-alias 'gbk 'chinese-gbk)
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(define-coding-system-alias 'cp936 'chinese-gbk)
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(define-coding-system-alias 'windows-936 'chinese-gbk)
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(set-language-info-alist
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"Chinese-GBK" '((charset chinese-gbk)
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(iso639-language . zh)
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(cjk-locale-symbol . zh_CN)
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(setup-function . (lambda ()
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(use-cjk-char-width-table 'zh_CN)))
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(exit-function . use-default-char-width-table)
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(coding-system chinese-gbk)
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(coding-priority gbk iso-2022-cn chinese-big5
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chinese-iso-8bit) ; fixme?
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(ctext-non-standard-encodings "gbk-0")
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(input-method . "chinese-py-punct") ; fixme?
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(sample-text . "Chinese (中文,普通话,汉语) 妳好")
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(features china-util)
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(documentation . "Support for Chinese GBK character set.")
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(tutorial . "TUTORIAL.cn"))
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'("Chinese"))
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;;; Chinese GB18030
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(define-coding-system 'chinese-gb18030
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"GB18030 encoding for Chinese (MIME:GB18030)."
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:coding-type 'charset
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:mnemonic ?c
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:charset-list '(ascii gb18030-2-byte
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gb18030-4-byte-bmp gb18030-4-byte-smp
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gb18030-4-byte-ext-1 gb18030-4-byte-ext-2)
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:mime-charset 'gb18030)
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(define-coding-system-alias 'gb18030 'chinese-gb18030)
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(set-language-info-alist
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"Chinese-GB18030" '((charset gb18030)
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(iso639-language . zh)
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(coding-system chinese-gb18030)
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(coding-priority gb18030 gbk iso-2022-cn chinese-big5
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chinese-iso-8bit) ; fixme?
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(input-method . "chinese-py-punct") ; fixme?
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(sample-text . "Chinese (中文,普通话,汉语) 你好")
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(features china-util)
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(documentation
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. "Support for Chinese GB18030 character set.")
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(tutorial . "TUTORIAL.cn"))
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'("Chinese"))
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;; Fixme: add HKSCS
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(provide 'chinese)
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;;; chinese.el ends here
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