[bpt/emacs.git] / lisp / language / japan-util.el

;;; japan-util.el --- utilities for Japanese -*- coding: iso-2022-7bit; -*-

;; Copyright (C) 2001-2011  Free Software Foundation, Inc.
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
;;   2005, 2006, 2007, 2008, 2009, 2010, 2011
;;   National Institute of Advanced Industrial Science and Technology (AIST)
;;   Registration Number H14PRO021

;; Keywords: mule, multilingual, Japanese

;; 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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;;; Code:

;;;###autoload
(defun setup-japanese-environment-internal ()
  ;; By default, we use 'japanese-iso-8bit for file names.  But, the
  ;; following prefer-coding-system will override it.
  (if (memq system-type '(windows-nt ms-dos cygwin))
      (prefer-coding-system 'japanese-shift-jis)
    (prefer-coding-system 'japanese-iso-8bit))
  (use-cjk-char-width-table 'ja_JP))

(defconst japanese-kana-table
  '((?\e$B$"\e(B ?\e$B%"\e(B ?\e(I1\e(B) (?\e$B$$\e(B ?\e$B%$\e(B ?\e(I2\e(B) (?\e$B$&\e(B ?\e$B%&\e(B ?\e(I3\e(B) (?\e$B$(\e(B ?\e$B%(\e(B ?\e(I4\e(B) (?\e$B$*\e(B ?\e$B%*\e(B ?\e(I5\e(B)
    (?\e$B$+\e(B ?\e$B%+\e(B ?\e(I6\e(B) (?\e$B$-\e(B ?\e$B%-\e(B ?\e(I7\e(B) (?\e$B$/\e(B ?\e$B%/\e(B ?\e(I8\e(B) (?\e$B$1\e(B ?\e$B%1\e(B ?\e(I9\e(B) (?\e$B$3\e(B ?\e$B%3\e(B ?\e(I:\e(B)
    (?\e$B$5\e(B ?\e$B%5\e(B ?\e(I;\e(B) (?\e$B$7\e(B ?\e$B%7\e(B ?\e(I<\e(B) (?\e$B$9\e(B ?\e$B%9\e(B ?\e(I=\e(B) (?\e$B$;\e(B ?\e$B%;\e(B ?\e(I>\e(B) (?\e$B$=\e(B ?\e$B%=\e(B ?\e(I?\e(B)
    (?\e$B$?\e(B ?\e$B%?\e(B ?\e(I@\e(B) (?\e$B$A\e(B ?\e$B%A\e(B ?\e(IA\e(B) (?\e$B$D\e(B ?\e$B%D\e(B ?\e(IB\e(B) (?\e$B$F\e(B ?\e$B%F\e(B ?\e(IC\e(B) (?\e$B$H\e(B ?\e$B%H\e(B ?\e(ID\e(B)
    (?\e$B$J\e(B ?\e$B%J\e(B ?\e(IE\e(B) (?\e$B$K\e(B ?\e$B%K\e(B ?\e(IF\e(B) (?\e$B$L\e(B ?\e$B%L\e(B ?\e(IG\e(B) (?\e$B$M\e(B ?\e$B%M\e(B ?\e(IH\e(B) (?\e$B$N\e(B ?\e$B%N\e(B ?\e(II\e(B)
    (?\e$B$O\e(B ?\e$B%O\e(B ?\e(IJ\e(B) (?\e$B$R\e(B ?\e$B%R\e(B ?\e(IK\e(B) (?\e$B$U\e(B ?\e$B%U\e(B ?\e(IL\e(B) (?\e$B$X\e(B ?\e$B%X\e(B ?\e(IM\e(B) (?\e$B$[\e(B ?\e$B%[\e(B ?\e(IN\e(B)
    (?\e$B$^\e(B ?\e$B%^\e(B ?\e(IO\e(B) (?\e$B$_\e(B ?\e$B%_\e(B ?\e(IP\e(B) (?\e$B$`\e(B ?\e$B%`\e(B ?\e(IQ\e(B) (?\e$B$a\e(B ?\e$B%a\e(B ?\e(IR\e(B) (?\e$B$b\e(B ?\e$B%b\e(B ?\e(IS\e(B)
    (?\e$B$d\e(B ?\e$B%d\e(B ?\e(IT\e(B) (?\e$B$f\e(B ?\e$B%f\e(B ?\e(IU\e(B) (?\e$B$h\e(B ?\e$B%h\e(B ?\e(IV\e(B)
    (?\e$B$i\e(B ?\e$B%i\e(B ?\e(IW\e(B) (?\e$B$j\e(B ?\e$B%j\e(B ?\e(IX\e(B) (?\e$B$k\e(B ?\e$B%k\e(B ?\e(IY\e(B) (?\e$B$l\e(B ?\e$B%l\e(B ?\e(IZ\e(B) (?\e$B$m\e(B ?\e$B%m\e(B ?\e(I[\e(B)
    (?\e$B$o\e(B ?\e$B%o\e(B ?\e(I\\e(B) (?\e$B$p\e(B ?\e$B%p\e(B "\e(I2\e(B") (?\e$B$q\e(B ?\e$B%q\e(B "\e(I4\e(B") (?\e$B$r\e(B ?\e$B%r\e(B ?\e(I&\e(B)
    (?\e$B$s\e(B ?\e$B%s\e(B ?\e(I]\e(B)
    (?\e$B$,\e(B ?\e$B%,\e(B "\e(I6^\e(B") (?\e$B$.\e(B ?\e$B%.\e(B "\e(I7^\e(B") (?\e$B$0\e(B ?\e$B%0\e(B "\e(I8^\e(B") (?\e$B$2\e(B ?\e$B%2\e(B "\e(I9^\e(B") (?\e$B$4\e(B ?\e$B%4\e(B "\e(I:^\e(B")
    (?\e$B$6\e(B ?\e$B%6\e(B "\e(I;^\e(B") (?\e$B$8\e(B ?\e$B%8\e(B "\e(I<^\e(B") (?\e$B$:\e(B ?\e$B%:\e(B "\e(I=^\e(B") (?\e$B$<\e(B ?\e$B%<\e(B "\e(I>^\e(B") (?\e$B$>\e(B ?\e$B%>\e(B "\e(I?^\e(B")
    (?\e$B$@\e(B ?\e$B%@\e(B "\e(I@^\e(B") (?\e$B$B\e(B ?\e$B%B\e(B "\e(IA^\e(B") (?\e$B$E\e(B ?\e$B%E\e(B "\e(IB^\e(B") (?\e$B$G\e(B ?\e$B%G\e(B "\e(IC^\e(B") (?\e$B$I\e(B ?\e$B%I\e(B "\e(ID^\e(B")
    (?\e$B$P\e(B ?\e$B%P\e(B "\e(IJ^\e(B") (?\e$B$S\e(B ?\e$B%S\e(B "\e(IK^\e(B") (?\e$B$V\e(B ?\e$B%V\e(B "\e(IL^\e(B") (?\e$B$Y\e(B ?\e$B%Y\e(B "\e(IM^\e(B") (?\e$B$\\e(B ?\e$B%\\e(B "\e(IN^\e(B")
    (?\e$B$Q\e(B ?\e$B%Q\e(B "\e(IJ_\e(B") (?\e$B$T\e(B ?\e$B%T\e(B "\e(IK_\e(B") (?\e$B$W\e(B ?\e$B%W\e(B "\e(IL_\e(B") (?\e$B$Z\e(B ?\e$B%Z\e(B "\e(IM_\e(B") (?\e$B$]\e(B ?\e$B%]\e(B "\e(IN_\e(B")
    (?\e$B$!\e(B ?\e$B%!\e(B ?\e(I'\e(B) (?\e$B$#\e(B ?\e$B%#\e(B ?\e(I(\e(B) (?\e$B$%\e(B ?\e$B%%\e(B ?\e(I)\e(B) (?\e$B$'\e(B ?\e$B%'\e(B ?\e(I*\e(B) (?\e$B$)\e(B ?\e$B%)\e(B ?\e(I+\e(B)
    (?\e$B$C\e(B ?\e$B%C\e(B ?\e(I/\e(B)
    (?\e$B$c\e(B ?\e$B%c\e(B ?\e(I,\e(B) (?\e$B$e\e(B ?\e$B%e\e(B ?\e(I-\e(B) (?\e$B$g\e(B ?\e$B%g\e(B ?\e(I.\e(B)
    (?\e$B$n\e(B ?\e$B%n\e(B "\e(I\\e(B")
    ("\e$B$&!+\e(B" ?\e$B%t\e(B "\e(I3^\e(B") (nil ?\e$B%u\e(B "\e(I6\e(B") (nil ?\e$B%v\e(B "\e(I9\e(B"))
  "Japanese JISX0208 Kana character table.
Each element is of the form (HIRAGANA KATAKANA HANKAKU-KATAKANA), where
HIRAGANA and KATAKANA belong to `japanese-jisx0208',
HANKAKU-KATAKANA belongs to `japanese-jisx0201-kana'.")

;; Put properties 'katakana, 'hiragana, and 'jix0201 to each Japanese
;; kana characters for conversion among them.
(let ((l japanese-kana-table)
      slot hiragana katakana jisx0201)
  (while l
    (setq slot (car l)
	  hiragana (car slot) katakana (nth 1 slot) jisx0201 (nth 2 slot)
	  l (cdr l))
    (if hiragana
	(if (stringp hiragana)
	    (if (> (length hiragana) 1)
		(let ((hira (aref hiragana 0)))
		  (put-char-code-property
		   hira 'kana-composition
		   (cons (cons (aref hiragana 1) katakana)
			 (get-char-code-property hira 'kana-composition)))))
	  (put-char-code-property hiragana 'katakana katakana)
	  (put-char-code-property hiragana 'jisx0201 jisx0201)))
    (when (integerp katakana)
      (put-char-code-property katakana 'hiragana hiragana)
      (put-char-code-property katakana 'jisx0201 jisx0201))
    (if jisx0201
	(if (stringp jisx0201)
	    (if (> (length jisx0201) 1)
		(let ((kana (aref jisx0201 0)))
		  (put-char-code-property
		   kana 'kana-composition
		   (cons (cons (aref jisx0201 1) katakana)
			 (get-char-code-property kana 'kana-composition)))))
	  (put-char-code-property jisx0201 'hiragana hiragana)
	  (put-char-code-property jisx0201 'katakana katakana)
	  (put-char-code-property jisx0201 'jisx0208 katakana)))))

(defconst japanese-symbol-table
  '((?\\e$B!!\e(B ?\ ) (?\e$B!$\e(B ?, ?\e(I$\e(B) (?\e$B!%\e(B ?. ?\e(I!\e(B) (?\e$B!"\e(B ?, ?\e(I$\e(B) (?\e$B!#\e(B ?. ?\e(I!\e(B) (?\e$B!&\e(B nil ?\e(I%\e(B)
    (?\e$B!'\e(B ?:) (?\e$B!(\e(B ?\;) (?\e$B!)\e(B ??) (?\e$B!*\e(B ?!) (?\e$B!+\e(B nil ?\e(I^\e(B) (?\e$B!,\e(B nil ?\e(I_\e(B)
    (?\e$B!-\e(B ?') (?\e$B!.\e(B ?`) (?\e$B!0\e(B ?^) (?\e$B!2\e(B ?_) (?\e$B!<\e(B ?- ?\e(I0\e(B) (?\e$B!=\e(B ?-) (?\e$B!>\e(B ?-)
    (?\e$B!?\e(B ?/) (?\e$B!@\e(B ?\\) (?\e$B!A\e(B ?~)  (?\e$B!C\e(B ?|) (?\e$B!F\e(B ?`) (?\e$B!G\e(B ?') (?\e$B!H\e(B ?\") (?\e$B!I\e(B ?\")
    (?\\e$B!J\e(B ?\() (?\\e$B!K\e(B ?\)) (?\\e$B!N\e(B ?[) (?\\e$B!O\e(B ?]) (?\\e$B!P\e(B ?{) (?\\e$B!Q\e(B ?})
    (?\e$B!R\e(B ?<) (?\e$B!S\e(B ?>) (?\\e$B!V\e(B nil ?\\e(I"\e(B) (?\\e$B!W\e(B nil ?\\e(I#\e(B) 
    (?\e$B!\\e(B ?+) (?\e$B!]\e(B ?-) (?\e$B!a\e(B ?=) (?\e$B!c\e(B ?<) (?\e$B!d\e(B ?>)
    (?\e$B!l\e(B ?') (?\e$B!m\e(B ?\") (?\e$B!o\e(B ?\\) (?\e$B!p\e(B ?$) (?\e$B!s\e(B ?%) (?\e$B!t\e(B ?#) (?\e$B!u\e(B ?&) (?\e$B!v\e(B ?*)
    (?\e$B!w\e(B ?@)
    ;; cp932-2-byte
    (#x2015 ?-) (#xFF5E ?~) (#xFF0D ?-))
  "Japanese JISX0208 and CP932 symbol character table.
  Each element is of the form (SYMBOL ASCII HANKAKU), where SYMBOL
belongs to `japanese-jisx0208' or `cp932', ASCII belongs to `ascii',
and HANKAKU belongs to `japanese-jisx0201-kana'.")

;; Put properties 'jisx0208, 'jisx0201, and 'ascii to each Japanese
;; symbol and ASCII characters for conversion among them.
(let ((l japanese-symbol-table)
      slot jisx0208 ascii jisx0201)
  (while l
    (setq slot (car l)
	  jisx0208 (car slot) ascii (nth 1 slot) jisx0201 (nth 2 slot)
	  l (cdr l))
    (if ascii
	(progn
	  (put-char-code-property jisx0208 'ascii ascii)
	  (if (encode-char jisx0208 'japanese-jisx0208)
	      (put-char-code-property ascii 'jisx0208 jisx0208))))
    (if jisx0201
	(progn
	  (put-char-code-property jisx0208 'jisx0201 jisx0201)
	  (if (encode-char jisx0208 'japanese-jisx0208)
	      (put-char-code-property jisx0201 'jisx0208 jisx0208))))))

(defconst japanese-alpha-numeric-table
  '((?\e$B#0\e(B . ?0) (?\e$B#1\e(B . ?1) (?\e$B#2\e(B . ?2) (?\e$B#3\e(B . ?3) (?\e$B#4\e(B . ?4)
    (?\e$B#5\e(B . ?5) (?\e$B#6\e(B . ?6) (?\e$B#7\e(B . ?7) (?\e$B#8\e(B . ?8) (?\e$B#9\e(B . ?9)
    (?\e$B#A\e(B . ?A) (?\e$B#B\e(B . ?B) (?\e$B#C\e(B . ?C) (?\e$B#D\e(B . ?D) (?\e$B#E\e(B . ?E)
    (?\e$B#F\e(B . ?F) (?\e$B#G\e(B . ?G) (?\e$B#H\e(B . ?H) (?\e$B#I\e(B . ?I) (?\e$B#J\e(B . ?J)
    (?\e$B#K\e(B . ?K) (?\e$B#L\e(B . ?L) (?\e$B#M\e(B . ?M) (?\e$B#N\e(B . ?N) (?\e$B#O\e(B . ?O)
    (?\e$B#P\e(B . ?P) (?\e$B#Q\e(B . ?Q) (?\e$B#R\e(B . ?R) (?\e$B#S\e(B . ?S) (?\e$B#T\e(B . ?T)
    (?\e$B#U\e(B . ?U) (?\e$B#V\e(B . ?V) (?\e$B#W\e(B . ?W) (?\e$B#X\e(B . ?X) (?\e$B#Y\e(B . ?Y) (?\e$B#Z\e(B . ?Z)
    (?\e$B#a\e(B . ?a) (?\e$B#b\e(B . ?b) (?\e$B#c\e(B . ?c) (?\e$B#d\e(B . ?d) (?\e$B#e\e(B . ?e)
    (?\e$B#f\e(B . ?f) (?\e$B#g\e(B . ?g) (?\e$B#h\e(B . ?h) (?\e$B#i\e(B . ?i) (?\e$B#j\e(B . ?j)
    (?\e$B#k\e(B . ?k) (?\e$B#l\e(B . ?l) (?\e$B#m\e(B . ?m) (?\e$B#n\e(B . ?n) (?\e$B#o\e(B . ?o)
    (?\e$B#p\e(B . ?p) (?\e$B#q\e(B . ?q) (?\e$B#r\e(B . ?r) (?\e$B#s\e(B . ?s) (?\e$B#t\e(B . ?t)
    (?\e$B#u\e(B . ?u) (?\e$B#v\e(B . ?v) (?\e$B#w\e(B . ?w) (?\e$B#x\e(B . ?x) (?\e$B#y\e(B . ?y) (?\e$B#z\e(B . ?z))
  "Japanese JISX0208 alpha numeric character table.
Each element is of the form (ALPHA-NUMERIC ASCII), where ALPHA-NUMERIC
belongs to `japanese-jisx0208', ASCII belongs to `ascii'.")

;; Put properties 'jisx0208 and 'ascii to each Japanese alpha numeric
;; and ASCII characters for conversion between them.
(let ((l japanese-alpha-numeric-table)
      slot jisx0208 ascii)
  (while l
    (setq slot (car l)
	  jisx0208 (car slot) ascii (cdr slot)
	  l (cdr l))
    (put-char-code-property jisx0208 'ascii ascii)
    (put-char-code-property ascii 'jisx0208 jisx0208)))

;; Convert string STR by FUNC and return a resulting string.
(defun japanese-string-conversion (str func &rest args)
  (let ((buf (get-buffer-create " *Japanese work*")))
    (with-current-buffer buf
      (erase-buffer)
      (insert str)
      (apply func 1 (point) args)
      (buffer-string))))

;;;###autoload
(defun japanese-katakana (obj &optional hankaku)
  "Convert argument to Katakana and return that.
The argument may be a character or string.  The result has the same type.
The argument object is not altered--the value is a copy.
Optional argument HANKAKU t means to convert to `hankaku' Katakana
 \(`japanese-jisx0201-kana'), in which case return value
 may be a string even if OBJ is a character if two Katakanas are
 necessary to represent OBJ."
  (if (stringp obj)
      (japanese-string-conversion obj 'japanese-katakana-region hankaku)
    (or (get-char-code-property obj (if hankaku 'jisx0201 'katakana))
	obj)))

;;;###autoload
(defun japanese-hiragana (obj)
  "Convert argument to Hiragana and return that.
The argument may be a character or string.  The result has the same type.
The argument object is not altered--the value is a copy."
  (if (stringp obj)
      (japanese-string-conversion obj 'japanese-hiragana-region)
    (or (get-char-code-property obj 'hiragana)
	obj)))

;;;###autoload
(defun japanese-hankaku (obj &optional ascii-only)
  "Convert argument to `hankaku' and return that.
The argument may be a character or string.  The result has the same type.
The argument object is not altered--the value is a copy.
Optional argument ASCII-ONLY non-nil means to return only ASCII character."
  (if (stringp obj)
      (japanese-string-conversion obj 'japanese-hankaku-region ascii-only)
    (or (and (not ascii-only)
	     (get-char-code-property obj 'jisx0201))
	(get-char-code-property obj 'ascii)
	obj)))

;;;###autoload
(defun japanese-zenkaku (obj)
  "Convert argument to `zenkaku' and return that.
The argument may be a character or string.  The result has the same type.
The argument object is not altered--the value is a copy."
  (if (stringp obj)
      (japanese-string-conversion obj 'japanese-zenkaku-region)
    (or (get-char-code-property obj 'jisx0208)
	obj)))

(defun japanese-replace-region (from to string)
  "Replace the region specified by FROM and TO to STRING."
  (goto-char from)
  (insert string)
  (delete-char (- to from)))

;;;###autoload
(defun japanese-katakana-region (from to &optional hankaku)
  "Convert Japanese `hiragana' chars in the region to `katakana' chars.
Optional argument HANKAKU t means to convert to `hankaku katakana' character
of which charset is `japanese-jisx0201-kana'."
  (interactive "r\nP")
  (save-restriction
    (narrow-to-region from to)
    (save-excursion
      (goto-char (point-min))
      (while (re-search-forward "\\cH\\|\\cK" nil t)
	(let* ((kana (preceding-char))
	       (composition
		(and (not hankaku)
		     (get-char-code-property kana 'kana-composition)))
	       next slot)
	  (if (and composition (setq slot (assq (following-char) composition)))
	      (japanese-replace-region (match-beginning 0) (1+ (point))
				       (cdr slot))
	    (let ((kata (get-char-code-property
			 kana (if hankaku 'jisx0201 'katakana))))
	      (if kata
		  (japanese-replace-region (match-beginning 0) (point)
					   kata)))))))))


;;;###autoload
(defun japanese-hiragana-region (from to)
  "Convert Japanese `katakana' chars in the region to `hiragana' chars."
  (interactive "r")
  (save-restriction
    (narrow-to-region from to)
    (save-excursion
      (goto-char (point-min))
      (while (re-search-forward "\\cK\\|\\ck" nil t)
	(let* ((kata (preceding-char))
	       (composition (get-char-code-property kata 'kana-composition))
	       next slot)
	  (if (and composition (setq slot (assq (following-char) composition)))
	      (japanese-replace-region (match-beginning 0) (1+ (point))
				       (get-char-code-property
					(cdr slot) 'hiragana))
	    (let ((hira (get-char-code-property kata 'hiragana)))
	      (if hira
		  (japanese-replace-region (match-beginning 0) (point)
					   hira)))))))))

;;;###autoload
(defun japanese-hankaku-region (from to &optional ascii-only)
  "Convert Japanese `zenkaku' chars in the region to `hankaku' chars.
`Zenkaku' chars belong to `japanese-jisx0208'
`Hankaku' chars belong to `ascii' or `japanese-jisx0201-kana'.
Optional argument ASCII-ONLY non-nil means to convert only to ASCII char."
  (interactive "r\nP")
  (save-restriction
    (narrow-to-region from to)
    (save-excursion
      (goto-char (point-min))
      (while (re-search-forward "\\cj" nil t)
	(let* ((zenkaku (preceding-char))
	       (hankaku (or (and (not ascii-only)
				 (get-char-code-property zenkaku 'jisx0201))
			    (get-char-code-property zenkaku 'ascii))))
	  (if hankaku
	      (japanese-replace-region (match-beginning 0) (match-end 0)
				       hankaku)))))))

;;;###autoload
(defun japanese-zenkaku-region (from to &optional katakana-only)
  "Convert hankaku' chars in the region to Japanese `zenkaku' chars.
`Zenkaku' chars belong to `japanese-jisx0208'
`Hankaku' chars belong to `ascii' or `japanese-jisx0201-kana'.
Optional argument KATAKANA-ONLY non-nil means to convert only KATAKANA char."
  (interactive "r\nP")
  (save-restriction
    (narrow-to-region from to)
    (save-excursion
      (goto-char (point-min))
      (while (or (and katakana-only
		      (re-search-forward "\\ck" nil t))
		 (and (not katakana-only)
		      (re-search-forward "\\ca\\|\\ck" nil t)))
	(let* ((hankaku (preceding-char))
	       (composition (get-char-code-property hankaku 'kana-composition))
	       next slot)
	  (if (and composition (setq slot (assq (following-char) composition)))
	      (japanese-replace-region (match-beginning 0) (1+ (point))
				       (cdr slot))
	    (let ((zenkaku (japanese-zenkaku hankaku)))
	      (if zenkaku
		  (japanese-replace-region (match-beginning 0) (match-end 0)
					   zenkaku)))))))))

;;;###autoload
(defun read-hiragana-string (prompt &optional initial-input)
  "Read a Hiragana string from the minibuffer, prompting with string PROMPT.
If non-nil, second arg INITIAL-INPUT is a string to insert before reading."
  (read-multilingual-string prompt initial-input "japanese-hiragana"))

;;
(provide 'japan-util)

;;; japan-util.el ends here
Commit	Line	Data
60370d40	1	;;; japan-util.el --- utilities for Japanese -- coding: iso-2022-7bit; --
4ed46869	2
95df8112	3	;; Copyright (C) 2001-2011 Free Software Foundation, Inc.
7976eda0	4	;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
5df4f04c	5	;; 2005, 2006, 2007, 2008, 2009, 2010, 2011
eaa61218 KH	6	;; National Institute of Advanced Industrial Science and Technology (AIST)
eaa61218 KH	7	;; Registration Number H14PRO021
4ed46869 KH	8
	9	;; Keywords: mule, multilingual, Japanese
	10
	11	;; This file is part of GNU Emacs.
	12
4936186e	13	;; GNU Emacs is free software: you can redistribute it and/or modify
4ed46869	14	;; it under the terms of the GNU General Public License as published by
4936186e GM	15	;; the Free Software Foundation, either version 3 of the License, or
4936186e GM	16	;; (at your option) any later version.
4ed46869 KH	17
	18	;; GNU Emacs is distributed in the hope that it will be useful,
	19	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	20	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	21	;; GNU General Public License for more details.
	22
	23	;; You should have received a copy of the GNU General Public License
4936186e	24	;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
4ed46869	25
60370d40 PJ	26	;;; Commentary:
60370d40 PJ	27
4ed46869 KH	28	;;; Code:
4ed46869 KH	29
45717142 KH	30	;;;###autoload
45717142 KH	31	(defun setup-japanese-environment-internal ()
9a05d1fa KH	32	;; By default, we use 'japanese-iso-8bit for file names. But, the
9a05d1fa KH	33	;; following prefer-coding-system will override it.
d5f9316f	34	(if (memq system-type '(windows-nt ms-dos cygwin))
1a5f6e6a	35	(prefer-coding-system 'japanese-shift-jis)
faf9aa0a	36	(prefer-coding-system 'japanese-iso-8bit))
99b070c5	37	(use-cjk-char-width-table 'ja_JP))
335a7ad7	38
4ed46869 KH	39	(defconst japanese-kana-table
	40	'((?\e$B$"\e(B ?\e$B%"\e(B ?\e(I1\e(B) (?\e$B$$\e(B ?\e$B%$\e(B ?\e(I2\e(B) (?\e$B$&\e(B ?\e$B%&\e(B ?\e(I3\e(B) (?\e$B$(\e(B ?\e$B%(\e(B ?\e(I4\e(B) (?\e$B$\e(B ?\e$B%\e(B ?\e(I5\e(B)
	41	(?\e$B$+\e(B ?\e$B%+\e(B ?\e(I6\e(B) (?\e$B$-\e(B ?\e$B%-\e(B ?\e(I7\e(B) (?\e$B$/\e(B ?\e$B%/\e(B ?\e(I8\e(B) (?\e$B$1\e(B ?\e$B%1\e(B ?\e(I9\e(B) (?\e$B$3\e(B ?\e$B%3\e(B ?\e(I:\e(B)
	42	(?\e$B$5\e(B ?\e$B%5\e(B ?\e(I;\e(B) (?\e$B$7\e(B ?\e$B%7\e(B ?\e(I<\e(B) (?\e$B$9\e(B ?\e$B%9\e(B ?\e(I=\e(B) (?\e$B$;\e(B ?\e$B%;\e(B ?\e(I>\e(B) (?\e$B$=\e(B ?\e$B%=\e(B ?\e(I?\e(B)
	43	(?\e$B$?\e(B ?\e$B%?\e(B ?\e(I@\e(B) (?\e$B$A\e(B ?\e$B%A\e(B ?\e(IA\e(B) (?\e$B$D\e(B ?\e$B%D\e(B ?\e(IB\e(B) (?\e$B$F\e(B ?\e$B%F\e(B ?\e(IC\e(B) (?\e$B$H\e(B ?\e$B%H\e(B ?\e(ID\e(B)
	44	(?\e$B$J\e(B ?\e$B%J\e(B ?\e(IE\e(B) (?\e$B$K\e(B ?\e$B%K\e(B ?\e(IF\e(B) (?\e$B$L\e(B ?\e$B%L\e(B ?\e(IG\e(B) (?\e$B$M\e(B ?\e$B%M\e(B ?\e(IH\e(B) (?\e$B$N\e(B ?\e$B%N\e(B ?\e(II\e(B)
	45	(?\e$B$O\e(B ?\e$B%O\e(B ?\e(IJ\e(B) (?\e$B$R\e(B ?\e$B%R\e(B ?\e(IK\e(B) (?\e$B$U\e(B ?\e$B%U\e(B ?\e(IL\e(B) (?\e$B$X\e(B ?\e$B%X\e(B ?\e(IM\e(B) (?\e$B$[\e(B ?\e$B%[\e(B ?\e(IN\e(B)
	46	(?\e$B$^\e(B ?\e$B%^\e(B ?\e(IO\e(B) (?\e$B$_\e(B ?\e$B%_\e(B ?\e(IP\e(B) (?\e$B$`\e(B ?\e$B%`\e(B ?\e(IQ\e(B) (?\e$B$a\e(B ?\e$B%a\e(B ?\e(IR\e(B) (?\e$B$b\e(B ?\e$B%b\e(B ?\e(IS\e(B)
	47	(?\e$B$d\e(B ?\e$B%d\e(B ?\e(IT\e(B) (?\e$B$f\e(B ?\e$B%f\e(B ?\e(IU\e(B) (?\e$B$h\e(B ?\e$B%h\e(B ?\e(IV\e(B)
	48	(?\e$B$i\e(B ?\e$B%i\e(B ?\e(IW\e(B) (?\e$B$j\e(B ?\e$B%j\e(B ?\e(IX\e(B) (?\e$B$k\e(B ?\e$B%k\e(B ?\e(IY\e(B) (?\e$B$l\e(B ?\e$B%l\e(B ?\e(IZ\e(B) (?\e$B$m\e(B ?\e$B%m\e(B ?\e(I[\e(B)
33366a82	49	(?\e$B$o\e(B ?\e$B%o\e(B ?\e(I\\e(B) (?\e$B$p\e(B ?\e$B%p\e(B "\e(I2\e(B") (?\e$B$q\e(B ?\e$B%q\e(B "\e(I4\e(B") (?\e$B$r\e(B ?\e$B%r\e(B ?\e(I&\e(B)
4ed46869 KH	50	(?\e$B$s\e(B ?\e$B%s\e(B ?\e(I]\e(B)
	51	(?\e$B$,\e(B ?\e$B%,\e(B "\e(I6^\e(B") (?\e$B$.\e(B ?\e$B%.\e(B "\e(I7^\e(B") (?\e$B$0\e(B ?\e$B%0\e(B "\e(I8^\e(B") (?\e$B$2\e(B ?\e$B%2\e(B "\e(I9^\e(B") (?\e$B$4\e(B ?\e$B%4\e(B "\e(I:^\e(B")
	52	(?\e$B$6\e(B ?\e$B%6\e(B "\e(I;^\e(B") (?\e$B$8\e(B ?\e$B%8\e(B "\e(I<^\e(B") (?\e$B$:\e(B ?\e$B%:\e(B "\e(I=^\e(B") (?\e$B$<\e(B ?\e$B%<\e(B "\e(I>^\e(B") (?\e$B$>\e(B ?\e$B%>\e(B "\e(I?^\e(B")
	53	(?\e$B$@\e(B ?\e$B%@\e(B "\e(I@^\e(B") (?\e$B$B\e(B ?\e$B%B\e(B "\e(IA^\e(B") (?\e$B$E\e(B ?\e$B%E\e(B "\e(IB^\e(B") (?\e$B$G\e(B ?\e$B%G\e(B "\e(IC^\e(B") (?\e$B$I\e(B ?\e$B%I\e(B "\e(ID^\e(B")
	54	(?\e$B$P\e(B ?\e$B%P\e(B "\e(IJ^\e(B") (?\e$B$S\e(B ?\e$B%S\e(B "\e(IK^\e(B") (?\e$B$V\e(B ?\e$B%V\e(B "\e(IL^\e(B") (?\e$B$Y\e(B ?\e$B%Y\e(B "\e(IM^\e(B") (?\e$B$\\e(B ?\e$B%\\e(B "\e(IN^\e(B")
	55	(?\e$B$Q\e(B ?\e$B%Q\e(B "\e(IJ_\e(B") (?\e$B$T\e(B ?\e$B%T\e(B "\e(IK_\e(B") (?\e$B$W\e(B ?\e$B%W\e(B "\e(IL_\e(B") (?\e$B$Z\e(B ?\e$B%Z\e(B "\e(IM_\e(B") (?\e$B$]\e(B ?\e$B%]\e(B "\e(IN_\e(B")
	56	(?\e$B$!\e(B ?\e$B%!\e(B ?\e(I'\e(B) (?\e$B$#\e(B ?\e$B%#\e(B ?\e(I(\e(B) (?\e$B$%\e(B ?\e$B%%\e(B ?\e(I)\e(B) (?\e$B$'\e(B ?\e$B%'\e(B ?\e(I*\e(B) (?\e$B$)\e(B ?\e$B%)\e(B ?\e(I+\e(B)
	57	(?\e$B$C\e(B ?\e$B%C\e(B ?\e(I/\e(B)
	58	(?\e$B$c\e(B ?\e$B%c\e(B ?\e(I,\e(B) (?\e$B$e\e(B ?\e$B%e\e(B ?\e(I-\e(B) (?\e$B$g\e(B ?\e$B%g\e(B ?\e(I.\e(B)
33366a82 KH	59	(?\e$B$n\e(B ?\e$B%n\e(B "\e(I\\e(B")
33366a82 KH	60	("\e$B$&!+\e(B" ?\e$B%t\e(B "\e(I3^\e(B") (nil ?\e$B%u\e(B "\e(I6\e(B") (nil ?\e$B%v\e(B "\e(I9\e(B"))
4ed46869 KH	61	"Japanese JISX0208 Kana character table.
	62	Each element is of the form (HIRAGANA KATAKANA HANKAKU-KATAKANA), where
	63	HIRAGANA and KATAKANA belong to `japanese-jisx0208',
	64	HANKAKU-KATAKANA belongs to `japanese-jisx0201-kana'.")
	65
	66	;; Put properties 'katakana, 'hiragana, and 'jix0201 to each Japanese
	67	;; kana characters for conversion among them.
	68	(let ((l japanese-kana-table)
	69	slot hiragana katakana jisx0201)
	70	(while l
	71	(setq slot (car l)
	72	hiragana (car slot) katakana (nth 1 slot) jisx0201 (nth 2 slot)
	73	l (cdr l))
	74	(if hiragana
33366a82 KH	75	(if (stringp hiragana)
	76	(if (> (length hiragana) 1)
	77	(let ((hira (aref hiragana 0)))
	78	(put-char-code-property
b2ba2dc0	79	hira 'kana-composition
33366a82	80	(cons (cons (aref hiragana 1) katakana)
b2ba2dc0	81	(get-char-code-property hira 'kana-composition)))))
4ed46869	82	(put-char-code-property hiragana 'katakana katakana)
33366a82 KH	83	(put-char-code-property hiragana 'jisx0201 jisx0201)))
	84	(when (integerp katakana)
	85	(put-char-code-property katakana 'hiragana hiragana)
	86	(put-char-code-property katakana 'jisx0201 jisx0201))
4ed46869	87	(if jisx0201
33366a82 KH	88	(if (stringp jisx0201)
	89	(if (> (length jisx0201) 1)
	90	(let ((kana (aref jisx0201 0)))
	91	(put-char-code-property
b2ba2dc0	92	kana 'kana-composition
33366a82	93	(cons (cons (aref jisx0201 1) katakana)
b2ba2dc0	94	(get-char-code-property kana 'kana-composition)))))
33366a82 KH	95	(put-char-code-property jisx0201 'hiragana hiragana)
	96	(put-char-code-property jisx0201 'katakana katakana)
	97	(put-char-code-property jisx0201 'jisx0208 katakana)))))
4ed46869 KH	98
4ed46869 KH	99	(defconst japanese-symbol-table
33366a82	100	'((?\\e$B!!\e(B ?\ ) (?\e$B!$\e(B ?, ?\e(I$\e(B) (?\e$B!%\e(B ?. ?\e(I!\e(B) (?\e$B!"\e(B ?, ?\e(I$\e(B) (?\e$B!#\e(B ?. ?\e(I!\e(B) (?\e$B!&\e(B nil ?\e(I%\e(B)
4ed46869	101	(?\e$B!'\e(B ?:) (?\e$B!(\e(B ?\;) (?\e$B!)\e(B ??) (?\e$B!*\e(B ?!) (?\e$B!+\e(B nil ?\e(I^\e(B) (?\e$B!,\e(B nil ?\e(I_\e(B)
0216c3df	102	(?\e$B!-\e(B ?') (?\e$B!.\e(B ?`) (?\e$B!0\e(B ?^) (?\e$B!2\e(B ?_) (?\e$B!<\e(B ?- ?\e(I0\e(B) (?\e$B!=\e(B ?-) (?\e$B!>\e(B ?-)
4ed46869 KH	103	(?\e$B!?\e(B ?/) (?\e$B!@\e(B ?\\) (?\e$B!A\e(B ?~) (?\e$B!C\e(B ?\|) (?\e$B!F\e(B ?`) (?\e$B!G\e(B ?') (?\e$B!H\e(B ?\") (?\e$B!I\e(B ?\")
4ed46869 KH	104	(?\\e$B!J\e(B ?\() (?\\e$B!K\e(B ?\)) (?\\e$B!N\e(B ?[) (?\\e$B!O\e(B ?]) (?\\e$B!P\e(B ?{) (?\\e$B!Q\e(B ?})
8a4d8a5d KH	105	(?\e$B!R\e(B ?<) (?\e$B!S\e(B ?>) (?\\e$B!V\e(B nil ?\\e(I"\e(B) (?\\e$B!W\e(B nil ?\\e(I#\e(B)
8a4d8a5d KH	106	(?\e$B!\\e(B ?+) (?\e$B!]\e(B ?-) (?\e$B!a\e(B ?=) (?\e$B!c\e(B ?<) (?\e$B!d\e(B ?>)
4ed46869	107	(?\e$B!l\e(B ?') (?\e$B!m\e(B ?\") (?\e$B!o\e(B ?\\) (?\e$B!p\e(B ?$) (?\e$B!s\e(B ?%) (?\e$B!t\e(B ?#) (?\e$B!u\e(B ?&) (?\e$B!v\e(B ?*)
1339cf20 KH	108	(?\e$B!w\e(B ?@)
	109	;; cp932-2-byte
	110	(#x2015 ?-) (#xFF5E ?~) (#xFF0D ?-))
bf89fd7b	111	"Japanese JISX0208 and CP932 symbol character table.
4ed46869	112	Each element is of the form (SYMBOL ASCII HANKAKU), where SYMBOL
bf89fd7b KH	113	belongs to `japanese-jisx0208' or `cp932', ASCII belongs to `ascii',
bf89fd7b KH	114	and HANKAKU belongs to `japanese-jisx0201-kana'.")
4ed46869 KH	115
	116	;; Put properties 'jisx0208, 'jisx0201, and 'ascii to each Japanese
	117	;; symbol and ASCII characters for conversion among them.
	118	(let ((l japanese-symbol-table)
	119	slot jisx0208 ascii jisx0201)
	120	(while l
	121	(setq slot (car l)
	122	jisx0208 (car slot) ascii (nth 1 slot) jisx0201 (nth 2 slot)
	123	l (cdr l))
	124	(if ascii
	125	(progn
	126	(put-char-code-property jisx0208 'ascii ascii)
bf89fd7b KH	127	(if (encode-char jisx0208 'japanese-jisx0208)
bf89fd7b KH	128	(put-char-code-property ascii 'jisx0208 jisx0208))))
4ed46869 KH	129	(if jisx0201
	130	(progn
	131	(put-char-code-property jisx0208 'jisx0201 jisx0201)
bf89fd7b KH	132	(if (encode-char jisx0208 'japanese-jisx0208)
bf89fd7b KH	133	(put-char-code-property jisx0201 'jisx0208 jisx0208))))))
4ed46869 KH	134
	135	(defconst japanese-alpha-numeric-table
	136	'((?\e$B#0\e(B . ?0) (?\e$B#1\e(B . ?1) (?\e$B#2\e(B . ?2) (?\e$B#3\e(B . ?3) (?\e$B#4\e(B . ?4)
	137	(?\e$B#5\e(B . ?5) (?\e$B#6\e(B . ?6) (?\e$B#7\e(B . ?7) (?\e$B#8\e(B . ?8) (?\e$B#9\e(B . ?9)
a1506d29	138	(?\e$B#A\e(B . ?A) (?\e$B#B\e(B . ?B) (?\e$B#C\e(B . ?C) (?\e$B#D\e(B . ?D) (?\e$B#E\e(B . ?E)
4ed46869 KH	139	(?\e$B#F\e(B . ?F) (?\e$B#G\e(B . ?G) (?\e$B#H\e(B . ?H) (?\e$B#I\e(B . ?I) (?\e$B#J\e(B . ?J)
	140	(?\e$B#K\e(B . ?K) (?\e$B#L\e(B . ?L) (?\e$B#M\e(B . ?M) (?\e$B#N\e(B . ?N) (?\e$B#O\e(B . ?O)
	141	(?\e$B#P\e(B . ?P) (?\e$B#Q\e(B . ?Q) (?\e$B#R\e(B . ?R) (?\e$B#S\e(B . ?S) (?\e$B#T\e(B . ?T)
	142	(?\e$B#U\e(B . ?U) (?\e$B#V\e(B . ?V) (?\e$B#W\e(B . ?W) (?\e$B#X\e(B . ?X) (?\e$B#Y\e(B . ?Y) (?\e$B#Z\e(B . ?Z)
	143	(?\e$B#a\e(B . ?a) (?\e$B#b\e(B . ?b) (?\e$B#c\e(B . ?c) (?\e$B#d\e(B . ?d) (?\e$B#e\e(B . ?e)
	144	(?\e$B#f\e(B . ?f) (?\e$B#g\e(B . ?g) (?\e$B#h\e(B . ?h) (?\e$B#i\e(B . ?i) (?\e$B#j\e(B . ?j)
	145	(?\e$B#k\e(B . ?k) (?\e$B#l\e(B . ?l) (?\e$B#m\e(B . ?m) (?\e$B#n\e(B . ?n) (?\e$B#o\e(B . ?o)
	146	(?\e$B#p\e(B . ?p) (?\e$B#q\e(B . ?q) (?\e$B#r\e(B . ?r) (?\e$B#s\e(B . ?s) (?\e$B#t\e(B . ?t)
	147	(?\e$B#u\e(B . ?u) (?\e$B#v\e(B . ?v) (?\e$B#w\e(B . ?w) (?\e$B#x\e(B . ?x) (?\e$B#y\e(B . ?y) (?\e$B#z\e(B . ?z))
	148	"Japanese JISX0208 alpha numeric character table.
	149	Each element is of the form (ALPHA-NUMERIC ASCII), where ALPHA-NUMERIC
	150	belongs to `japanese-jisx0208', ASCII belongs to `ascii'.")
	151
	152	;; Put properties 'jisx0208 and 'ascii to each Japanese alpha numeric
	153	;; and ASCII characters for conversion between them.
	154	(let ((l japanese-alpha-numeric-table)
	155	slot jisx0208 ascii)
	156	(while l
	157	(setq slot (car l)
	158	jisx0208 (car slot) ascii (cdr slot)
	159	l (cdr l))
	160	(put-char-code-property jisx0208 'ascii ascii)
	161	(put-char-code-property ascii 'jisx0208 jisx0208)))
	162
	163	;; Convert string STR by FUNC and return a resulting string.
	164	(defun japanese-string-conversion (str func &rest args)
	165	(let ((buf (get-buffer-create " Japanese work")))
9a529312	166	(with-current-buffer buf
4ed46869 KH	167	(erase-buffer)
	168	(insert str)
	169	(apply func 1 (point) args)
	170	(buffer-string))))
	171
	172	;;;###autoload
	173	(defun japanese-katakana (obj &optional hankaku)
	174	"Convert argument to Katakana and return that.
	175	The argument may be a character or string. The result has the same type.
	176	The argument object is not altered--the value is a copy.
	177	Optional argument HANKAKU t means to convert to `hankaku' Katakana
	178	\(`japanese-jisx0201-kana'), in which case return value
	179	may be a string even if OBJ is a character if two Katakanas are
	180	necessary to represent OBJ."
	181	(if (stringp obj)
	182	(japanese-string-conversion obj 'japanese-katakana-region hankaku)
	183	(or (get-char-code-property obj (if hankaku 'jisx0201 'katakana))
	184	obj)))
	185
	186	;;;###autoload
	187	(defun japanese-hiragana (obj)
	188	"Convert argument to Hiragana and return that.
	189	The argument may be a character or string. The result has the same type.
	190	The argument object is not altered--the value is a copy."
	191	(if (stringp obj)
	192	(japanese-string-conversion obj 'japanese-hiragana-region)
	193	(or (get-char-code-property obj 'hiragana)
	194	obj)))
	195
	196	;;;###autoload
	197	(defun japanese-hankaku (obj &optional ascii-only)
	198	"Convert argument to `hankaku' and return that.
	199	The argument may be a character or string. The result has the same type.
	200	The argument object is not altered--the value is a copy.
	201	Optional argument ASCII-ONLY non-nil means to return only ASCII character."
	202	(if (stringp obj)
	203	(japanese-string-conversion obj 'japanese-hankaku-region ascii-only)
c79cb283	204	(or (and (not ascii-only)
4ed46869	205	(get-char-code-property obj 'jisx0201))
c79cb283	206	(get-char-code-property obj 'ascii)
4ed46869 KH	207	obj)))
	208
	209	;;;###autoload
	210	(defun japanese-zenkaku (obj)
	211	"Convert argument to `zenkaku' and return that.
	212	The argument may be a character or string. The result has the same type.
	213	The argument object is not altered--the value is a copy."
	214	(if (stringp obj)
	215	(japanese-string-conversion obj 'japanese-zenkaku-region)
	216	(or (get-char-code-property obj 'jisx0208)
	217	obj)))
	218
b2ba2dc0 KH	219	(defun japanese-replace-region (from to string)
	220	"Replace the region specified by FROM and TO to STRING."
	221	(goto-char from)
	222	(insert string)
	223	(delete-char (- to from)))
	224
4ed46869 KH	225	;;;###autoload
	226	(defun japanese-katakana-region (from to &optional hankaku)
	227	"Convert Japanese `hiragana' chars in the region to `katakana' chars.
	228	Optional argument HANKAKU t means to convert to `hankaku katakana' character
	229	of which charset is `japanese-jisx0201-kana'."
	230	(interactive "r\nP")
	231	(save-restriction
	232	(narrow-to-region from to)
b2ba2dc0 KH	233	(save-excursion
	234	(goto-char (point-min))
	235	(while (re-search-forward "\\cH\\\|\\cK" nil t)
	236	(let* ((kana (preceding-char))
fbc7bbf7 KH	237	(composition
	238	(and (not hankaku)
	239	(get-char-code-property kana 'kana-composition)))
b2ba2dc0 KH	240	next slot)
	241	(if (and composition (setq slot (assq (following-char) composition)))
	242	(japanese-replace-region (match-beginning 0) (1+ (point))
	243	(cdr slot))
	244	(let ((kata (get-char-code-property
	245	kana (if hankaku 'jisx0201 'katakana))))
	246	(if kata
	247	(japanese-replace-region (match-beginning 0) (point)
	248	kata)))))))))
	249
4ed46869 KH	250
	251	;;;###autoload
	252	(defun japanese-hiragana-region (from to)
33366a82	253	"Convert Japanese `katakana' chars in the region to `hiragana' chars."
4ed46869 KH	254	(interactive "r")
	255	(save-restriction
	256	(narrow-to-region from to)
b2ba2dc0 KH	257	(save-excursion
	258	(goto-char (point-min))
	259	(while (re-search-forward "\\cK\\\|\\ck" nil t)
	260	(let* ((kata (preceding-char))
	261	(composition (get-char-code-property kata 'kana-composition))
	262	next slot)
	263	(if (and composition (setq slot (assq (following-char) composition)))
	264	(japanese-replace-region (match-beginning 0) (1+ (point))
	265	(get-char-code-property
	266	(cdr slot) 'hiragana))
	267	(let ((hira (get-char-code-property kata 'hiragana)))
	268	(if hira
	269	(japanese-replace-region (match-beginning 0) (point)
	270	hira)))))))))
4ed46869 KH	271
	272	;;;###autoload
	273	(defun japanese-hankaku-region (from to &optional ascii-only)
	274	"Convert Japanese `zenkaku' chars in the region to `hankaku' chars.
	275	`Zenkaku' chars belong to `japanese-jisx0208'
	276	`Hankaku' chars belong to `ascii' or `japanese-jisx0201-kana'.
	277	Optional argument ASCII-ONLY non-nil means to convert only to ASCII char."
	278	(interactive "r\nP")
	279	(save-restriction
	280	(narrow-to-region from to)
b2ba2dc0 KH	281	(save-excursion
	282	(goto-char (point-min))
	283	(while (re-search-forward "\\cj" nil t)
	284	(let* ((zenkaku (preceding-char))
c79cb283 GM	285	(hankaku (or (and (not ascii-only)
	286	(get-char-code-property zenkaku 'jisx0201))
	287	(get-char-code-property zenkaku 'ascii))))
b2ba2dc0 KH	288	(if hankaku
	289	(japanese-replace-region (match-beginning 0) (match-end 0)
	290	hankaku)))))))
4ed46869 KH	291
4ed46869 KH	292	;;;###autoload
b194460e	293	(defun japanese-zenkaku-region (from to &optional katakana-only)
4ed46869 KH	294	"Convert hankaku' chars in the region to Japanese `zenkaku' chars.
4ed46869 KH	295	`Zenkaku' chars belong to `japanese-jisx0208'
b194460e KH	296	`Hankaku' chars belong to `ascii' or `japanese-jisx0201-kana'.
	297	Optional argument KATAKANA-ONLY non-nil means to convert only KATAKANA char."
	298	(interactive "r\nP")
4ed46869 KH	299	(save-restriction
4ed46869 KH	300	(narrow-to-region from to)
b2ba2dc0 KH	301	(save-excursion
b2ba2dc0 KH	302	(goto-char (point-min))
b194460e KH	303	(while (or (and katakana-only
	304	(re-search-forward "\\ck" nil t))
	305	(and (not katakana-only)
	306	(re-search-forward "\\ca\\\|\\ck" nil t)))
b2ba2dc0 KH	307	(let* ((hankaku (preceding-char))
	308	(composition (get-char-code-property hankaku 'kana-composition))
	309	next slot)
	310	(if (and composition (setq slot (assq (following-char) composition)))
	311	(japanese-replace-region (match-beginning 0) (1+ (point))
	312	(cdr slot))
	313	(let ((zenkaku (japanese-zenkaku hankaku)))
	314	(if zenkaku
	315	(japanese-replace-region (match-beginning 0) (match-end 0)
	316	zenkaku)))))))))
4ed46869 KH	317
	318	;;;###autoload
	319	(defun read-hiragana-string (prompt &optional initial-input)
	320	"Read a Hiragana string from the minibuffer, prompting with string PROMPT.
	321	If non-nil, second arg INITIAL-INPUT is a string to insert before reading."
a6385fa9	322	(read-multilingual-string prompt initial-input "japanese-hiragana"))
4ed46869 KH	323
4ed46869 KH	324	;;
650e8505	325	(provide 'japan-util)
4ed46869	326
4ed46869	327	;;; japan-util.el ends here