;;; korean.el --- Support for Korean -*- coding: iso-2022-7bit; -*-

;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
;; Licensed to the Free Software Foundation.
;; Copyright (C) 1997 MORIOKA Tomohiko
;; Copyright (C) 2005, 2010 Ben Wing.

;; Keywords: multilingual, Korean

;; This file is part of XEmacs.

;; XEmacs 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.

;; XEmacs 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 XEmacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; For Korean, the character set KSC5601 is supported.

;;; Code:

;; See comments in mule-coding.c.
;; Hangul uses the range [84 - D3], [41 - 7E, 81 - FE]
;; Symbols and Hanja use [D8 - DE, E0 - F9], [31 - 7E, 91 - FE]
;; So for our purposes, this is [84 - F9], [31 - FE]
(make-charset
 'korean-johab
 "Johab (Korean)"
 '(dimension
   2
   registries ["johab"] ;; @@#### FIXME
   chars (118 206)
   offset (#x84 #x31)
   unicode-map
   ("unicode/unicode-consortium/EASTASIA/OBSOLETE/JOHAB.TXT" #x8000)
   short-name "Johab"
   long-name "Johab (Korean)"
   tags (windows-ansi kanji korean)
   ))

;; Syntax of Korean characters.
(loop for row from 33 to  34 do
      (modify-syntax-entry `[korean-ksc5601 ,row] "."))
(loop for row from 38 to  41 do
      (modify-syntax-entry `[korean-ksc5601 ,row] "."))

;; Setting for coding-system and quail were moved to
;; language/korean.el.

(make-coding-system
 'iso-2022-int-1 'iso2022
 "ISO-2022-INT-1 (Korean)"
 '(charset-g0 ascii
   charset-g1 korean-ksc5601
   short t
   seven t
   lock-shift t
   mnemonic "INT-1"))

;; EGG specific setup
(define-egg-environment 'korean
  "Korean settings for egg"
  (lambda ()
    (with-boundp '(its:*standard-modes* its:*current-map* wnn-server-type
					egg-default-startup-file)
      (with-fboundp 'its:get-mode-map
	(when (not (featurep 'egg-kor))
	  (load "its-hangul")
	  (setq its:*standard-modes*
		(cons (its:get-mode-map "hangul") its:*standard-modes*))
	  (provide 'egg-kor))
	(setq wnn-server-type 'kserver)
	(setq egg-default-startup-file "eggrc-wnn")
	(setq-default its:*current-map* (its:get-mode-map "hangul"))))))

;; (make-coding-system
;;  'korean-iso-8bit 2 ?K
;;  "ISO 2022 based EUC encoding for Korean KSC5601 (MIME:EUC-KR)"
;;  '(ascii korean-ksc5601 nil nil
;;    nil ascii-eol ascii-cntl)
;;  '((safe-charsets ascii korean-ksc5601)
;;    (mime-charset . euc-kr)))

(make-coding-system
 'euc-kr 'iso2022
 "Korean EUC"
 '(charset-g0 ascii
   charset-g1 korean-ksc5601
   mnemonic "ko/EUC"
   documentation
   "Korean EUC (Extended Unix Code), the standard Korean encoding on Unix.
This follows the same overall EUC principles (see the description under
Japanese EUC), but specifies different character sets:

G0: ASCII
G1: Korean-KSC5601"
   eol-type nil))

;;(define-coding-system-alias 'euc-kr 'euc-korea)

(define-coding-system-alias 'korean-euc 'euc-kr)

;; (make-coding-system
;;  'iso-2022-kr 2 ?k
;;  "ISO 2022 based 7-bit encoding for Korean KSC5601 (MIME:ISO-2022-KR)."
;;  '(ascii (nil korean-ksc5601) nil nil
;;          nil ascii-eol ascii-cntl seven locking-shift nil nil nil nil nil
;;          designation-bol)
;;  '((safe-charsets ascii korean-ksc5601)
;;    (mime-charset . iso-2022-kr)))

(make-coding-system
 'iso-2022-kr 'iso2022
 "ISO-2022-KR (Korean mail)"
 '(charset-g0 ascii
   charset-g1 korean-ksc5601
   force-g1-on-output t
   seven t
   lock-shift t
   mnemonic "Ko/7bit"
   documentation "Coding-System used for communication with mail in Korea."
   eol-type lf))

;; (define-coding-system-alias 'korean-iso-7bit-lock 'iso-2022-kr)

(set-language-info-alist
 "Korean" '((setup-function . setup-korean-environment-internal)
	    (exit-function . exit-korean-environment)
	    (tutorial . "TUTORIAL.ko")
	    (charset korean-ksc5601 korean)
	    (coding-system euc-kr iso-2022-kr)
	    (coding-priority euc-kr iso-2022-kr)
	    (locale "ko_KR.eucKR" "ko_KR.EUC" "ko_KR.euc" "ko_KR" "ko")
	    (native-coding-system euc-kr)
	    (input-method . "korean-hangul")
	    (features korea-util)
	    (sample-text . "Hangul (한글)	안녕하세요, 안녕하십니까")
	    (documentation . "\
The following key bindings are available while using Korean input methods:
  Shift-SPC:	toggle-korean-input-mthod
  Control-F9:	quail-hangul-switch-symbol-ksc
  F9:		quail-hangul-switch-hanja")
	    ))

;;; korean.el ends here
