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emacs/leim/quail/thai.el

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1997-07-08 01:48:20 +00:00
;;; quail/thai.el --- Quail package for inputting Thai characters
;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
;; Licensed to the Free Software Foundation.
;; Keywords: multilingual, input method, Thai
;; 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.
;;; Code:
(require 'quail)
(require 'thai-util)
(eval-and-compile
(defvar thai-keyboard-mapping-alist
'((kesmanee
[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
0 "#" ",TF(B" ",Tr(B" ",Ts(B" ",Tt(B" "0,TQi1(B" ",T'(B" ; SPC .. '
",Tv(B" ",Tw(B" ",Tu(B" ",Ty(B" ",TA(B" ",T"(B" ",Tc(B" ",T=(B" ; ( .. /
",T((B" ",TE(B" "/" "_" ",T@(B" ",T6(B" ",TX(B" ",TV(B" ; 0 .. 7
",T$(B" ",T5(B" ",T+(B" ",TG(B" ",T2(B" ",T*(B" ",TL(B" ",TF(B" ; 8 .. ?
",Tq(B" ",TD(B" ",TZ(B" ",T)(B" ",T/(B" ",T.(B" ",Tb(B" ",T,(B" ; @ .. G
",Tg(B" ",T3(B" ",Tk(B" ",TI(B" ",TH(B" ",Tn(B" ",Tl(B" ",TO(B" ; H .. O
",T-(B" ",Tp(B" ",T1(B" ",T&(B" ",T8(B" ",Tj(B" ",TN(B" "\"" ; P .. W
")" ",Tm(B" "(" ",T:(B" ",T_(B" ",TE(B" ",TY(B" ",Tx(B" ; X .. _
",T#(B" ",T?(B" ",TT(B" ",Ta(B" ",T!(B" ",TS(B" ",T4(B" ",T`(B" ; ` .. g
",Ti(B" ",TC(B" ",Th(B" ",TR(B" ",TJ(B" ",T7(B" ",TW(B" ",T9(B" ; h .. o
",TB(B" ",Tf(B" ",T>(B" ",TK(B" ",TP(B" ",TU(B" ",TM(B" ",Td(B" ; p .. w
",T;(B" ",TQ(B" ",T<(B" ",T0(B" ",To(B" "." ",T%(B" 0] ; x .. DEL
nil nil)
(pattachote
[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ; control codes
0 "+" ",T1(B" "/" "," "?" "_" ",T"(B" ; SPC .. '
"(" ")" "." "%" ",TP(B" ",Tq(B" ",T((B" ",T>(B" ; ( .. /
",Tp(B" "=" ",Tr(B" ",Ts(B" ",Tt(B" ",Tu(B" ",TY(B" ",Tw(B" ; 0 .. 7
",Tx(B" ",Ty(B" ",T&(B" ",Td(B" ",T?(B" ",Tv(B" ",T2(B" ",TL(B" ; 8 .. ?
"\"" ",Tk(B" ",TQ(B" ",T0(B" 0 ",Tf(B" ",T3(B" ",Tl(B" ; @ .. G
",TW(B" ",T+(B" ",T<(B" ",T*(B" ",Tb(B" ",TN(B" ",TH(B" ",T6(B" ; H .. O
",T2(B" ",Tj(B" ",T-(B" ",TS(B" ",TI(B" ",T=(B" ",T@(B" ",T8(B" ; P .. W
",T.(B" ",TV(B" ",T.(B" ",Tc(B" ",TZ(B" ",T2(B" ",TX(B" "-" ; X .. _
",T#(B" ",Ti(B" ",TT(B" ",TE(B" 0 ",TB(B" ",T!(B" ",TQ(B" ; ` .. g
",TU(B" ",TA(B" ",TR(B" ",T9(B" ",T`(B" ",TJ(B" ",T$(B" ",TG(B" ; h .. o
",Ta(B" ",Tg(B" ",TM(B" ",T'(B" ",TC(B" ",T4(B" ",TK(B" ",T7(B" ; p .. w
",T;(B" ",Th(B" ",T:(B" ",TO(B" ",Tm(B" ",TF(B" ",T%(B" 0] ; x .. DEL
nil nil)
)
"Alist of Thai keyboard types vs. corresponding mapping tables.
Each element is a list of:
KEYBOARD-TYPE, ASCII-THAI-TABLE, CONSONANT-MAP-TEMPLATE,
and VOWEL-UPPER-LOWER-TEMPLATE.
KEYBOARD-TYPE is a symbol, one of kesmanee or pattachote.
ASCII-THAI-TABLE is a vector indexed by an ASCII key code
and the value is the one-char string of Thai character
assigned at the location of ASCII key on the specific Thai keyboard.
The value is 0 if no Thai character is assigned at the location.
CONSONANT-MAP-TEMPLATE is a template of a cdr part of a Quail map when
a consonant is entered.
VOWEL-UPPER-LOWER-TEMPLATE is a template of a cdr part of a Quail map
when a vowel upper or a vowel lower is entered.")
(defmacro thai-keyboard-info (keyboard-type)
`(assq ,keyboard-type thai-keyboard-mapping-alist))
)
(defvar thai-current-keyboard-type nil
"Thai Keyboard type which Quail is assuming currently.
This variable is used in Quail internally only.")
;; Template of a cdr part of a Quail map when a consonant is entered.
(defvar thai-consonant-alist nil)
;; Template of a cdr part of a Quail map when a vowel upper or a vowel
;; lower is entered.
(defvar thai-vowel-upper-lower-alist nil)
;; Return a Quail map corresponding to KEY of length LEN.
;; The car part of the map is a translation generated automatically.
;; The cdr part of the map is a copy of ALIST.
(defun thai-generate-quail-map (key len alist)
(let ((str "")
(idx 0))
(while (< idx len)
(setq str (concat str (aref (nth 1 (thai-keyboard-info
thai-current-keyboard-type))
(aref key idx)))
idx (1+ idx)))
(cons (string-to-char (compose-string str)) (copy-alist alist))))
;; Return a Quail map corresponding to KEY of length LEN when Thai
;; tone mark is entered.
(defun thai-tone-input (key len)
(thai-generate-quail-map key len nil))
;; Return a Quail map corresponding to KEY of length LEN when Thai
;; vowel upper or vowel lower is entered.
(defun thai-vowel-upper-lower-input (key len)
(thai-generate-quail-map
key len
(nth 3 (thai-keyboard-info thai-current-keyboard-type))))
;; Define RULES in Quail map. In addition, create
;; `thai-consonant-alist-KEYBOARD-TYPE' and
;; `thai-vowel-upper-lower-alist-KEYBOARD-TYPE'.
;; The general composing rules are as follows:
;;
;; T
;; V T V T
;; CV -> C, CT -> C, CVT -> C, Cv -> C, CvT -> C
;; v v
;;
;; where C: consonant, V: vowel upper, v: vowel lower, T: tone mark.
(defmacro thai-quail-define-rules (keyboard-type &rest rules)
(let ((l rules)
consonant-alist
vowel-upper-lower-alist
rule trans ch c-set)
(while l
(setq rule (car l))
(setq trans (nth 1 rule))
(if (consp trans)
(setq trans (car trans)))
(setq c-set (char-category-set (string-to-char trans)))
(cond ((or (aref c-set ?2)
(aref c-set ?3))
(setq consonant-alist
(cons (cons (string-to-char (car rule))
'thai-vowel-upper-lower-input)
consonant-alist)))
((aref c-set ?4)
(setq consonant-alist
(cons (cons (string-to-char (car rule))
'thai-tone-input)
consonant-alist)
vowel-upper-lower-alist
(cons (cons (string-to-char (car rule))
'thai-tone-input)
vowel-upper-lower-alist))))
(setq l (cdr l)))
`(progn
(quail-define-rules ,@rules)
(setcar (nthcdr 2 (thai-keyboard-info ,keyboard-type))
',consonant-alist)
(setcar (nthcdr 3 (thai-keyboard-info ,keyboard-type))
',vowel-upper-lower-alist))))
;; Return an alist which can be a cdr part of a Quail map
;; corresponding to the current key when Thai consonant is entered.
(defun thai-consonant-input (key len)
(let ((quail-package-name (quail-name)))
(setq thai-current-keyboard-type
(cond ((string= quail-package-name "thai-pattachote") 'pattachote)
(t (string= quail-package-name "thai-kesmanee") 'kesmanee)))
(copy-alist (nth 2 (thai-keyboard-info thai-current-keyboard-type)))))
;; Thai Kesmanee keyboard support.
(quail-define-package
"thai-kesmanee" "Thai" ",T!!(B>" t
"Thai Kesmanee input method with TIS620 keyboard layout
The difference from the ordinal Thai keyboard:
',T_(B' and ',To(B' are assigned to '\\' and '|' respectively,
',T#(B' and ',T%(B' are assigned to '`' and '~' respectively,
Don't know where to assign characters ',Tz(B' and ',T{(B'."
nil t t nil t)
(thai-quail-define-rules 'kesmanee
("1" (",TE(B" . thai-consonant-input))
("!" "#")
("2" "/")
("@" ",Tq(B")
("3" "_")
("#" ",Tr(B")
("4" (",T@(B" . thai-consonant-input))
("$" ",Ts(B")
("5" (",T6(B" . thai-consonant-input))
("%" ",Tt(B")
("6" ",TX(B")
("^" ",TY(B")
("7" ",TV(B")
("&" "0,TQi1(B")
("8" (",T$(B" . thai-consonant-input))
("*" ",Tu(B")
("9" (",T5(B" . thai-consonant-input))
("\(" ",Tv(B")
("0" (",T((B" . thai-consonant-input))
("\)" ",Tw(B")
("-" (",T"(B" . thai-consonant-input))
("_" ",Tx(B")
("=" (",T*(B" . thai-consonant-input))
("+" ",Ty(B")
("\\" ",T_(B")
("|" ",To(B")
("`" (",T#(B" . thai-consonant-input))
("~" (",T%(B" . thai-consonant-input))
("q" ",Tf(B")
("Q" ",Tp(B")
("w" ",Td(B")
("W" "\"")
("e" ",TS(B")
("E" (",T.(B" . thai-consonant-input))
("r" (",T>(B" . thai-consonant-input))
("R" (",T1(B" . thai-consonant-input))
("t" ",TP(B")
("T" (",T8(B" . thai-consonant-input))
("y" ",TQ(B")
("Y" ",Tm(B")
("u" ",TU(B")
("U" ",Tj(B")
("i" (",TC(B" . thai-consonant-input))
("I" (",T3(B" . thai-consonant-input))
("o" (",T9(B" . thai-consonant-input))
("O" ",TO(B")
("p" (",TB(B" . thai-consonant-input))
("P" (",T-(B" . thai-consonant-input))
("\[" (",T:(B" . thai-consonant-input))
("{" (",T0(B" . thai-consonant-input))
("\]" (",TE(B" . thai-consonant-input))
("}" ",")
("a" (",T?(B" . thai-consonant-input))
("A" ",TD(B")
("s" (",TK(B" . thai-consonant-input))
("S" (",T&(B" . thai-consonant-input))
("d" (",T!(B" . thai-consonant-input))
("D" (",T/(B" . thai-consonant-input))
("f" (",T4(B" . thai-consonant-input))
("F" ",Tb(B")
("g" ",T`(B")
("G" (",T,(B" . thai-consonant-input))
("h" ",Ti(B")
("H" ",Tg(B")
("j" ",Th(B")
("J" ",Tk(B")
("k" ",TR(B")
("K" (",TI(B" . thai-consonant-input))
("l" (",TJ(B" . thai-consonant-input))
("L" (",TH(B" . thai-consonant-input))
("\;" (",TG(B" . thai-consonant-input))
(":" (",T+(B" . thai-consonant-input))
("'" (",T'(B" . thai-consonant-input))
("\"" ".")
("z" (",T<(B" . thai-consonant-input))
("Z" "(")
("x" (",T;(B" . thai-consonant-input))
("X" ")")
("c" ",Ta(B")
("C" (",T)(B" . thai-consonant-input))
("v" (",TM(B" . thai-consonant-input))
("V" (",TN(B" . thai-consonant-input))
("b" ",TT(B")
("B" ",TZ(B")
("n" ",TW(B")
("N" ",Tl(B")
("m" (",T7(B" . thai-consonant-input))
("M" ",Tn(B")
("," (",TA(B" . thai-consonant-input))
("<" (",T2(B" . thai-consonant-input))
("." ",Tc(B")
(">" (",TL(B" . thai-consonant-input))
("/" (",T=(B" . thai-consonant-input))
("?" ",TF(B")
)
;; Thai Pattachote keyboard support.
(quail-define-package
"thai-pattachote" "Thai" ",T!;(B>" t
"Thai Pattachote input method with TIS620 keyboard layout"
nil t t nil t)
(thai-quail-define-rules 'pattachote
("1" "=")
("!" "+")
("2" ",Tr(B")
("@" "\"")
("3" ",Ts(B")
("#" "/")
("4" ",Tt(B")
("$" ",")
("5" ",Tu(B")
("%" "?")
("6" ",TY(B")
("^" ",TX(B")
("7" ",Tw(B")
("&" "_")
("8" ",Tx(B")
("*" ".")
("9" ",Ty(B")
("(" "(")
("0" ",Tp(B")
(")" ")")
("-" ",Tq(B")
("_" "-")
("=" ",Tv(B")
("+" "%")
("\\" ",TZ(B")
("|" ",Tm(B")
("`" (",T#(B" . thai-consonant-input))
("~" (",T%(B" . thai-consonant-input))
("q" ",Tg(B")
("Q" ",Tj(B")
("w" (",T5(B" . thai-consonant-input))
("W" ",TD(B")
("e" (",TB(B" . thai-consonant-input))
("E" ",Tf(B")
("r" (",TM(B" . thai-consonant-input))
("R" (",T-(B" . thai-consonant-input))
("t" (",TC(B" . thai-consonant-input))
("T" (",TI(B" . thai-consonant-input))
("y" ",Th(B")
("Y" ",TV(B")
("u" (",T4(B" . thai-consonant-input))
("U" (",T=(B" . thai-consonant-input))
("i" (",TA(B" . thai-consonant-input))
("I" (",T+(B" . thai-consonant-input))
("o" (",TG(B" . thai-consonant-input))
("O" (",T6(B" . thai-consonant-input))
("p" ",Ta(B")
("P" (",T2(B" . thai-consonant-input))
("\[" ",Tc(B")
("{" ",TO(B")
("\]" (",T2(B" . thai-consonant-input))
("}" ",TF(B")
("a" ",Ti(B")
("A" ",Tk(B")
("s" (",T7(B" . thai-consonant-input))
("S" (",T8(B" . thai-consonant-input))
("d" (",T'(B" . thai-consonant-input))
("D" ",TS(B")
("f" (",T!(B" . thai-consonant-input))
("F" (",T3(B" . thai-consonant-input))
("g" ",TQ(B")
("G" ",Tl(B")
("h" ",TU(B")
("H" ",TW(B")
("j" ",TR(B")
("J" (",T<(B" . thai-consonant-input))
("k" (",T9(B" . thai-consonant-input))
("K" (",T*(B" . thai-consonant-input))
("l" ",T`(B")
("L" ",Tb(B")
(";" ",Td(B")
(":" (",T&(B" . thai-consonant-input))
("'" (",T"(B" . thai-consonant-input))
("\"" (",T1(B" . thai-consonant-input))
("z" (",T:(B" . thai-consonant-input))
("Z" (",T.(B" . thai-consonant-input))
("x" (",T;(B" . thai-consonant-input))
("X" (",T.(B" . thai-consonant-input))
("c" (",TE(B" . thai-consonant-input))
("C" (",T0(B" . thai-consonant-input))
("v" (",TK(B" . thai-consonant-input))
("V" (",T@(B" . thai-consonant-input))
("b" ",TT(B")
("B" ",TQ(B")
("n" (",T$(B" . thai-consonant-input))
("N" (",TH(B" . thai-consonant-input))
("m" (",TJ(B" . thai-consonant-input))
("M" (",TN(B" . thai-consonant-input))
("," ",TP(B")
("<" (",T?(B" . thai-consonant-input))
("." (",T((B" . thai-consonant-input))
(">" (",T2(B" . thai-consonant-input))
("/" (",T>(B" . thai-consonant-input))
("?" (",TL(B" . thai-consonant-input))
)
;;; quail/thai.el ends here