[bpt/emacs.git] / lisp / language / chinese.el

;;; chinese.el --- Support for Chinese

;; Copyright (C) 1995 Free Software Foundation, Inc.
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.

;; Keywords: multilingual, Chinese

;; 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 2, 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; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Commentary:

;; For Chinese, three character sets GB2312, BIG5, and CNS11643 are
;; supported.

;;; Code:

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Chinese (general)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(make-coding-system
 'iso-2022-cn 2 ?C
 "Coding system ISO-2022-CN for Chinese (GB and CNS character sets)."
 '(ascii
   (nil chinese-gb2312 chinese-cns11643-1)
   (nil chinese-cns11643-2)
   (nil chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5
	chinese-cns11643-6 chinese-cns11643-7)
   nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil
   init-bol))

(define-coding-system-alias 'iso-2022-cn 'iso-2022-cn-ext)

(set-language-info
 "Chinese" 'documentation
"Emacs provides three kinds of Chinese support: Chinese-GB,
Chinese-BIG5, and Chinese-CNS.  Please specify one of them to get more
information.")

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Chinese GB2312 (simplified) 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(make-coding-system
 'cn-gb-2312 2 ?C
 "Coding-system of Chinese EUC (so called GB Encoding)."
 '((ascii t) chinese-gb2312 chinese-sisheng nil
   nil ascii-eol ascii-cntl nil nil single-shift nil))

(define-coding-system-alias 'cn-gb-2312 'euc-china)

(make-coding-system
 'hz-gb-2312 0 ?z
 "Codins-system of Hz/ZW used for Chinese (GB)."
 nil)
(put 'hz-gb-2312 'post-read-conversion 'post-read-decode-hz)
(put 'hz-gb-2312 'pre-write-conversion 'pre-write-encode-hz)

(define-coding-system-alias 'hz-gb-2312 'hz)

(defun post-read-decode-hz (len)
  (let ((pos (point)))
    (decode-hz-region pos (+ pos len))))

(defun pre-write-encode-hz (from to)
  (let ((buf (current-buffer))
	(work (get-buffer-create " *pre-write-encoding-work*")))
    (set-buffer work)
    (widen)
    (erase-buffer)
    (insert-buffer-substring buf from to)
    (encode-hz-region 1 (point-max))
    nil))

(register-input-method
 "Chinese-GB" '("cxterm-gb" encoded-kbd-select-terminal cn-gb-2312))
(register-input-method
 "Chinese-GB" '("quail-ccdospy" quail-use-package "quail/ccdospy"))
(register-input-method
 "Chinese-GB" '("quail-ctlau" quail-use-package "quail/ctlau"))
(register-input-method
 "Chinese-GB" '("quail-punct" quail-use-package "quail/punct"))
(register-input-method
 "Chinese-GB" '("quail-qj" quail-use-package "quail/qj"))
(register-input-method
 "Chinese-GB" '("quail-sw" quail-use-package "quail/sw"))
(register-input-method
 "Chinese-GB" '("quail-ziranma" quail-use-package "quail/ziranma"))
(register-input-method
 "Chinese-GB" '("quail-tonepy" quail-use-package "quail/tonepy"))
(register-input-method
 "Chinese-GB" '("quail-py" quail-use-package "quail/py"))

(defun setup-chinese-gb-environment ()
  (setq primary-language "Chinese-GB")

  (setq coding-category-iso-8-2 'cn-gb-2312)
  (setq coding-category-iso-else 'iso-2022-cn)
  (setq coding-category-big5 'cn-big5)

  (set-coding-priority
   '(coding-category-iso-7
     coding-category-iso-else
     coding-category-iso-8-2
     coding-category-big5
     coding-category-iso-8-1
     coding-category-internal
     ))

  (setq-default buffer-file-coding-system 'cn-gb-2312)
  (set-terminal-coding-system 'cn-gb-2312)
  (set-keyboard-coding-system 'cn-gb-2312)

  (setq default-input-method '("Chinese-GB" . "quail-py"))
  )

(set-language-info-alist
 "Chinese-GB" '((documentation . t)
		(setup-function . setup-chinese-gb-environment)
		(charset . (chinese-gb2312 chinese-sisheng))
		(coding-system . (cn-gb-2312 hz-gb-2312 iso-2022-cn))
		(documentation . t)
		(sample-text . "Chinese (\e$AVPND\e(B,\e$AFUM(;0\e(B,\e$A::So\e(B)	\e$ADc:C\e(B")))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Chinese BIG5 (traditional)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(make-coding-system
 'big5 3 ?B
 "Coding-system of BIG5.")

(define-coding-system-alias 'big5 'cn-big5)

;; Big5 font requires special encoding.
(define-ccl-program ccl-encode-big5-font
  `(0
    ;; In:  R0:chinese-big5-1 or chinese-big5-2
    ;;      R1:position code 1
    ;;      R2:position code 2
    ;; Out: R1:font code point 1
    ;;      R2:font code point 2
    ((r2 = ((((r1 - ?\x21) * 94) + r2) - ?\x21))
     (if (r0 == ,(charset-id 'chinese-big5-2)) (r2 += 6280))
     (r1 = ((r2 / 157) + ?\xA1))
     (r2 %= 157)
     (if (r2 < ?\x3F) (r2 += ?\x40) (r2 += ?\x62))))
  "CCL program to encode a Big5 code to code point of Big5 font.")

(setq font-ccl-encoder-alist
      (cons (cons "big5" ccl-encode-big5-font) font-ccl-encoder-alist))

(register-input-method
 "Chinese-BIG5" '("cxterm-big5" encoded-kbd-select-terminal big5))
(register-input-method
 "Chinese-BIG5" '("quail-qj-b5" quail-use-package "quail/qj-b5"))
(register-input-method
 "Chinese-BIG5" '("quail-zozy" quail-use-package "quail/zozy"))
(register-input-method
 "Chinese-BIG5" '("quail-tsangchi-b5" quail-use-package "quail/tsangchi-b5"))
(register-input-method
 "Chinese-BIG5" '("quail-py-b5" quail-use-package "quail/py-b5"))
(register-input-method
 "Chinese-BIG5" '("quail-quick-b5" quail-use-package "quail/quick-bt"))
(register-input-method
 "Chinese-BIG5" '("quail-etzy" quail-use-package "quail/etzy"))
(register-input-method
 "Chinese-BIG5" '("quail-ecdict" quail-use-package "quail/ecdict"))
(register-input-method
 "Chinese-BIG5" '("quail-ctlaub" quail-use-package "quail/ctlaub"))
(register-input-method
 "Chinese-BIG5" '("quail-array30" quail-use-package "quail/array30"))
(register-input-method
 "Chinese-BIG5" '("quail-4corner" quail-use-package "quail/4corner"))

(defun setup-chinese-big5-environment ()
  (setq primary-language "Chinese-BIG5")

  (setq coding-category-big5 'cn-big5)
  (setq coding-category-iso-else 'iso-2022-cn)
  (setq coding-category-iso-8-2 'cn-gb-2312)

  (set-coding-priority
   '(coding-category-iso-7
     coding-category-iso-else
     coding-category-big5
     coding-category-iso-8-2))

  (setq-default buffer-file-coding-system 'cn-big5)
  (set-terminal-coding-system 'cn-big5)
  (set-keyboard-coding-system 'cn-big5)

  (setq default-input-method '("Chinese-BIG5" . "quail-py-b5"))
  )

(set-language-info-alist
 "Chinese-BIG5" '((setup-function . setup-chinese-big5-environment)
		  (charset . (chinese-big5-1 chinese-big5-2))
		  (coding-system . (cn-big5 iso-2022-cn))
		  (documentation . t)
		  (sample-text . "Cantonese (\e$(0GnM$\e(B,\e$(0N]0*Hd\e(B)	\e$(0*/=(\e(B, \e$(0+$)p\e(B")))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Chinese CNS11643 (traditional)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(register-input-method
 "Chinese-CNS" '("quail-quick-cns" quail-use-package "quail/quick-cns"))
(register-input-method
 "Chinese-CNS" '("quail-tsangchi-cns" quail-use-package "quail/tsangchi-cns"))

(defun setup-chinese-cns-environment ()
  (setq primary-language "Chinese-CNS")

  (setq coding-category-iso-else 'iso-2022-cn)
  (setq coding-category-big5 'cn-big5)
  (setq coding-category-iso-8-2 'cn-gb-2312)

  (set-coding-priority
   '(coding-category-iso-7
     coding-category-iso-else
     coding-category-iso-8-2
     coding-category-big5))

  (setq-default buffer-file-coding-system 'iso-2022-cn)
  (set-terminal-coding-system 'iso-2022-cn)
  (set-keyboard-coding-system 'iso-2022-cn)

  (setq default-input-method '("Chinese-CNS" . "quail-py-cns"))
  )

(set-language-info-alist
 "Chinese-CNS" '((setup-function . setup-chinese-cns-environment)
		 (charset . (chinese-cns11643-1 chinese-cns11643-2
			     chinese-cns11643-3 chinese-cns11643-4
			     chinese-cns11643-5 chinese-cns11643-6
			     chinese-cns11643-7))
		 (coding-system . (iso-2022-cn))
		 (documentation . t)))

;;; chinese.el ends here
Commit	Line	Data
4ed46869 KH	1	;;; chinese.el --- Support for Chinese
	2
	3	;; Copyright (C) 1995 Free Software Foundation, Inc.
	4	;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
	5
	6	;; Keywords: multilingual, Chinese
	7
	8	;; This file is part of GNU Emacs.
	9
	10	;; GNU Emacs is free software; you can redistribute it and/or modify
	11	;; it under the terms of the GNU General Public License as published by
	12	;; the Free Software Foundation; either version 2, or (at your option)
	13	;; any later version.
	14
	15	;; GNU Emacs is distributed in the hope that it will be useful,
	16	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	;; GNU General Public License for more details.
	19
	20	;; You should have received a copy of the GNU General Public License
369314dc KH	21	;; along with GNU Emacs; see the file COPYING. If not, write to the
	22	;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	23	;; Boston, MA 02111-1307, USA.
4ed46869 KH	24
	25	;;; Commentary:
	26
	27	;; For Chinese, three character sets GB2312, BIG5, and CNS11643 are
	28	;; supported.
	29
	30	;;; Code:
	31
	32	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	33	;;; Chinese (general)
	34	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	35
	36	(make-coding-system
f3f18123	37	'iso-2022-cn 2 ?C
4ed46869 KH	38	"Coding system ISO-2022-CN for Chinese (GB and CNS character sets)."
	39	'(ascii
	40	(nil chinese-gb2312 chinese-cns11643-1)
	41	(nil chinese-cns11643-2)
	42	(nil chinese-cns11643-3 chinese-cns11643-4 chinese-cns11643-5
	43	chinese-cns11643-6 chinese-cns11643-7)
f3f18123 KH	44	nil ascii-eol ascii-cntl seven locking-shift single-shift nil nil nil
	45	init-bol))
	46
	47	(define-coding-system-alias 'iso-2022-cn 'iso-2022-cn-ext)
	48
	49	(set-language-info
	50	"Chinese" 'documentation
	51	"Emacs provides three kinds of Chinese support: Chinese-GB,
	52	Chinese-BIG5, and Chinese-CNS. Please specify one of them to get more
	53	information.")
4ed46869 KH	54
	55	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	56	;;; Chinese GB2312 (simplified)
	57	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	58
	59	(make-coding-system
f3f18123	60	'cn-gb-2312 2 ?C
4ed46869 KH	61	"Coding-system of Chinese EUC (so called GB Encoding)."
	62	'((ascii t) chinese-gb2312 chinese-sisheng nil
	63	nil ascii-eol ascii-cntl nil nil single-shift nil))
	64
f3f18123 KH	65	(define-coding-system-alias 'cn-gb-2312 'euc-china)
f3f18123 KH	66
4ed46869	67	(make-coding-system
f3f18123	68	'hz-gb-2312 0 ?z
4ed46869 KH	69	"Codins-system of Hz/ZW used for Chinese (GB)."
4ed46869 KH	70	nil)
f3f18123 KH	71	(put 'hz-gb-2312 'post-read-conversion 'post-read-decode-hz)
	72	(put 'hz-gb-2312 'pre-write-conversion 'pre-write-encode-hz)
	73
	74	(define-coding-system-alias 'hz-gb-2312 'hz)
4ed46869 KH	75
	76	(defun post-read-decode-hz (len)
	77	(let ((pos (point)))
	78	(decode-hz-region pos (+ pos len))))
	79
	80	(defun pre-write-encode-hz (from to)
	81	(let ((buf (current-buffer))
	82	(work (get-buffer-create " pre-write-encoding-work")))
	83	(set-buffer work)
	84	(widen)
	85	(erase-buffer)
	86	(insert-buffer-substring buf from to)
	87	(encode-hz-region 1 (point-max))
	88	nil))
	89
f3f18123 KH	90	(register-input-method
f3f18123 KH	91	"Chinese-GB" '("cxterm-gb" encoded-kbd-select-terminal cn-gb-2312))
4ed46869 KH	92	(register-input-method
	93	"Chinese-GB" '("quail-ccdospy" quail-use-package "quail/ccdospy"))
	94	(register-input-method
	95	"Chinese-GB" '("quail-ctlau" quail-use-package "quail/ctlau"))
	96	(register-input-method
	97	"Chinese-GB" '("quail-punct" quail-use-package "quail/punct"))
	98	(register-input-method
	99	"Chinese-GB" '("quail-qj" quail-use-package "quail/qj"))
	100	(register-input-method
	101	"Chinese-GB" '("quail-sw" quail-use-package "quail/sw"))
	102	(register-input-method
	103	"Chinese-GB" '("quail-ziranma" quail-use-package "quail/ziranma"))
	104	(register-input-method
	105	"Chinese-GB" '("quail-tonepy" quail-use-package "quail/tonepy"))
	106	(register-input-method
	107	"Chinese-GB" '("quail-py" quail-use-package "quail/py"))
	108
	109	(defun setup-chinese-gb-environment ()
	110	(setq primary-language "Chinese-GB")
	111
f3f18123 KH	112	(setq coding-category-iso-8-2 'cn-gb-2312)
	113	(setq coding-category-iso-else 'iso-2022-cn)
	114	(setq coding-category-big5 'cn-big5)
4ed46869 KH	115
	116	(set-coding-priority
	117	'(coding-category-iso-7
	118	coding-category-iso-else
	119	coding-category-iso-8-2
	120	coding-category-big5
	121	coding-category-iso-8-1
	122	coding-category-internal
	123	))
	124
f3f18123 KH	125	(setq-default buffer-file-coding-system 'cn-gb-2312)
	126	(set-terminal-coding-system 'cn-gb-2312)
	127	(set-keyboard-coding-system 'cn-gb-2312)
4ed46869 KH	128
	129	(setq default-input-method '("Chinese-GB" . "quail-py"))
	130	)
	131
	132	(set-language-info-alist
f3f18123 KH	133	"Chinese-GB" '((documentation . t)
	134	(setup-function . setup-chinese-gb-environment)
	135	(charset . (chinese-gb2312 chinese-sisheng))
	136	(coding-system . (cn-gb-2312 hz-gb-2312 iso-2022-cn))
	137	(documentation . t)
	138	(sample-text . "Chinese (\e$AVPND\e(B,\e$AFUM(;0\e(B,\e$A::So\e(B) \e$ADc:C\e(B")))
4ed46869 KH	139
	140	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	141	;; Chinese BIG5 (traditional)
	142	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	143
	144	(make-coding-system
f3f18123	145	'big5 3 ?B
4ed46869 KH	146	"Coding-system of BIG5.")
4ed46869 KH	147
f3f18123 KH	148	(define-coding-system-alias 'big5 'cn-big5)
f3f18123 KH	149
4ed46869 KH	150	;; Big5 font requires special encoding.
	151	(define-ccl-program ccl-encode-big5-font
	152	`(0
	153	;; In: R0:chinese-big5-1 or chinese-big5-2
	154	;; R1:position code 1
	155	;; R2:position code 2
	156	;; Out: R1:font code point 1
	157	;; R2:font code point 2
	158	((r2 = ((((r1 - ?\x21) * 94) + r2) - ?\x21))
	159	(if (r0 == ,(charset-id 'chinese-big5-2)) (r2 += 6280))
	160	(r1 = ((r2 / 157) + ?\xA1))
	161	(r2 %= 157)
	162	(if (r2 < ?\x3F) (r2 += ?\x40) (r2 += ?\x62))))
	163	"CCL program to encode a Big5 code to code point of Big5 font.")
	164
	165	(setq font-ccl-encoder-alist
	166	(cons (cons "big5" ccl-encode-big5-font) font-ccl-encoder-alist))
	167
f3f18123 KH	168	(register-input-method
f3f18123 KH	169	"Chinese-BIG5" '("cxterm-big5" encoded-kbd-select-terminal big5))
4ed46869 KH	170	(register-input-method
	171	"Chinese-BIG5" '("quail-qj-b5" quail-use-package "quail/qj-b5"))
	172	(register-input-method
	173	"Chinese-BIG5" '("quail-zozy" quail-use-package "quail/zozy"))
	174	(register-input-method
	175	"Chinese-BIG5" '("quail-tsangchi-b5" quail-use-package "quail/tsangchi-b5"))
	176	(register-input-method
	177	"Chinese-BIG5" '("quail-py-b5" quail-use-package "quail/py-b5"))
	178	(register-input-method
	179	"Chinese-BIG5" '("quail-quick-b5" quail-use-package "quail/quick-bt"))
	180	(register-input-method
	181	"Chinese-BIG5" '("quail-etzy" quail-use-package "quail/etzy"))
	182	(register-input-method
	183	"Chinese-BIG5" '("quail-ecdict" quail-use-package "quail/ecdict"))
	184	(register-input-method
	185	"Chinese-BIG5" '("quail-ctlaub" quail-use-package "quail/ctlaub"))
	186	(register-input-method
	187	"Chinese-BIG5" '("quail-array30" quail-use-package "quail/array30"))
	188	(register-input-method
	189	"Chinese-BIG5" '("quail-4corner" quail-use-package "quail/4corner"))
	190
	191	(defun setup-chinese-big5-environment ()
	192	(setq primary-language "Chinese-BIG5")
	193
f3f18123 KH	194	(setq coding-category-big5 'cn-big5)
	195	(setq coding-category-iso-else 'iso-2022-cn)
	196	(setq coding-category-iso-8-2 'cn-gb-2312)
4ed46869 KH	197
	198	(set-coding-priority
	199	'(coding-category-iso-7
	200	coding-category-iso-else
f3f18123 KH	201	coding-category-big5
f3f18123 KH	202	coding-category-iso-8-2))
4ed46869	203
f3f18123 KH	204	(setq-default buffer-file-coding-system 'cn-big5)
	205	(set-terminal-coding-system 'cn-big5)
	206	(set-keyboard-coding-system 'cn-big5)
4ed46869 KH	207
	208	(setq default-input-method '("Chinese-BIG5" . "quail-py-b5"))
	209	)
	210
	211	(set-language-info-alist
	212	"Chinese-BIG5" '((setup-function . setup-chinese-big5-environment)
	213	(charset . (chinese-big5-1 chinese-big5-2))
f3f18123	214	(coding-system . (cn-big5 iso-2022-cn))
4ed46869 KH	215	(documentation . t)
	216	(sample-text . "Cantonese (\e$(0GnM$\e(B,\e$(0N]0Hd\e(B) \e$(0/=(\e(B, \e$(0+$)p\e(B")))
	217
	218	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	219	;; Chinese CNS11643 (traditional)
	220	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	221
	222	(register-input-method
	223	"Chinese-CNS" '("quail-quick-cns" quail-use-package "quail/quick-cns"))
	224	(register-input-method
	225	"Chinese-CNS" '("quail-tsangchi-cns" quail-use-package "quail/tsangchi-cns"))
	226
	227	(defun setup-chinese-cns-environment ()
	228	(setq primary-language "Chinese-CNS")
	229
f3f18123 KH	230	(setq coding-category-iso-else 'iso-2022-cn)
	231	(setq coding-category-big5 'cn-big5)
	232	(setq coding-category-iso-8-2 'cn-gb-2312)
4ed46869 KH	233
	234	(set-coding-priority
	235	'(coding-category-iso-7
	236	coding-category-iso-else
f3f18123	237	coding-category-iso-8-2
4ed46869 KH	238	coding-category-big5))
4ed46869 KH	239
f3f18123 KH	240	(setq-default buffer-file-coding-system 'iso-2022-cn)
	241	(set-terminal-coding-system 'iso-2022-cn)
	242	(set-keyboard-coding-system 'iso-2022-cn)
4ed46869 KH	243
	244	(setq default-input-method '("Chinese-CNS" . "quail-py-cns"))
	245	)
	246
	247	(set-language-info-alist
	248	"Chinese-CNS" '((setup-function . setup-chinese-cns-environment)
	249	(charset . (chinese-cns11643-1 chinese-cns11643-2
	250	chinese-cns11643-3 chinese-cns11643-4
	251	chinese-cns11643-5 chinese-cns11643-6
	252	chinese-cns11643-7))
f3f18123	253	(coding-system . (iso-2022-cn))
4ed46869 KH	254	(documentation . t)))
	255
	256	;;; chinese.el ends here