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[Emacs-diffs] Changes to emacs/lisp/language/thai-util.el [emacs-unicode
|
From: |
Kenichi Handa |
|
Subject: |
[Emacs-diffs] Changes to emacs/lisp/language/thai-util.el [emacs-unicode-2] |
|
Date: |
Mon, 08 Sep 2003 08:55:50 -0400 |
Index: emacs/lisp/language/thai-util.el
diff -c /dev/null emacs/lisp/language/thai-util.el:1.26.6.1
*** /dev/null Mon Sep 8 08:55:50 2003
--- emacs/lisp/language/thai-util.el Mon Sep 8 08:53:41 2003
***************
*** 0 ****
--- 1,208 ----
+ ;;; thai-util.el --- utilities for Thai -*- coding: iso-2022-7bit; -*-
+
+ ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
+ ;; Licensed to the Free Software Foundation.
+ ;; Copyright (C) 2003
+ ;; National Institute of Advanced Industrial Science and Technology (AIST)
+ ;; Registration Number H13PRO009
+
+ ;; Keywords: mule, multilingual, Thai, i18n
+
+ ;; 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:
+
+ ;;; Code:
+
+ ;; Setting information of Thai characters.
+
+ (defconst thai-category-table (make-category-table))
+ (define-category ?c "Thai consonant" thai-category-table)
+ (define-category ?v "Thai upper/lower vowel" thai-category-table)
+ (define-category ?t "Thai tone" thai-category-table)
+
+ ;; 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.
+
+ (defvar thai-composition-pattern "\\cc\\(\\ct\\|\\cv\\ct?\\)"
+ "Regular expression matching a Thai composite sequence.")
+
+ (let ((l '((?,T!(B consonant "LETTER KO KAI")
; 0xA1
+ (?,T"(B consonant "LETTER KHO KHAI")
; 0xA2
+ (?,T#(B consonant "LETTER KHO KHUAT")
; 0xA3
+ (?,T$(B consonant "LETTER KHO KHWAI")
; 0xA4
+ (?,T%(B consonant "LETTER KHO KHON")
; 0xA5
+ (?,T&(B consonant "LETTER KHO RAKHANG")
; 0xA6
+ (?,T'(B consonant "LETTER NGO NGU")
; 0xA7
+ (?,T((B consonant "LETTER CHO CHAN")
; 0xA8
+ (?,T)(B consonant "LETTER CHO CHING")
; 0xA9
+ (?,T*(B consonant "LETTER CHO CHANG")
; 0xAA
+ (?,T+(B consonant "LETTER SO SO") ; 0xAB
+ (?,T,(B consonant "LETTER CHO CHOE")
; 0xAC
+ (?,T-(B consonant "LETTER YO YING")
; 0xAD
+ (?,T.(B consonant "LETTER DO CHADA")
; 0xAE
+ (?,T/(B consonant "LETTER TO PATAK")
; 0xAF
+ (?,T0(B consonant "LETTER THO THAN")
; 0xB0
+ (?,T1(B consonant "LETTER THO NANGMONTHO") ; 0xB1
+ (?,T2(B consonant "LETTER THO PHUTHAO")
; 0xB2
+ (?,T3(B consonant "LETTER NO NEN") ; 0xB3
+ (?,T4(B consonant "LETTER DO DEK") ; 0xB4
+ (?,T5(B consonant "LETTER TO TAO") ; 0xB5
+ (?,T6(B consonant "LETTER THO THUNG")
; 0xB6
+ (?,T7(B consonant "LETTER THO THAHAN")
; 0xB7
+ (?,T8(B consonant "LETTER THO THONG")
; 0xB8
+ (?,T9(B consonant "LETTER NO NU") ; 0xB9
+ (?,T:(B consonant "LETTER BO BAIMAI")
; 0xBA
+ (?,T;(B consonant "LETTER PO PLA") ; 0xBB
+ (?,T<(B consonant "LETTER PHO PHUNG")
; 0xBC
+ (?,T=(B consonant "LETTER FO FA") ; 0xBD
+ (?,T>(B consonant "LETTER PHO PHAN")
; 0xBE
+ (?,T?(B consonant "LETTER FO FAN") ; 0xBF
+ (?,address@hidden(B consonant "LETTER PHO SAMPHAO")
; 0xC0
+ (?,TA(B consonant "LETTER MO MA") ; 0xC1
+ (?,TB(B consonant "LETTER YO YAK") ; 0xC2
+ (?,TC(B consonant "LETTER RO RUA") ; 0xC3
+ (?,TD(B vowel-base "LETTER RU (Pali vowel letter)")
; 0xC4
+ (?,TE(B consonant "LETTER LO LING")
; 0xC5
+ (?,TF(B vowel-base "LETTER LU (Pali vowel letter)")
; 0xC6
+ (?,TG(B consonant "LETTER WO WAEN")
; 0xC7
+ (?,TH(B consonant "LETTER SO SALA")
; 0xC8
+ (?,TI(B consonant "LETTER SO RUSI")
; 0xC9
+ (?,TJ(B consonant "LETTER SO SUA") ; 0xCA
+ (?,TK(B consonant "LETTER HO HIP") ; 0xCB
+ (?,TL(B consonant "LETTER LO CHULA")
; 0xCC
+ (?,TM(B consonant "LETTER O ANG") ; 0xCD
+ (?,TN(B consonant "LETTER HO NOK HUK")
; 0xCE
+ (?,TO(B special "PAI YAN NOI (abbreviation)")
; 0xCF
+ (?,TP(B vowel-base "VOWEL SIGN SARA A")
; 0xD0
+ (?,TQ(B vowel-upper "VOWEL SIGN MAI HAN-AKAT N/S-T")
; 0xD1
+ (?,TR(B vowel-base "VOWEL SIGN SARA AA")
; 0xD2
+ (?,TS(B vowel-base "VOWEL SIGN SARA AM")
; 0xD3
+ (?,TT(B vowel-upper "VOWEL SIGN SARA I N/S-T")
; 0xD4
+ (?,TU(B vowel-upper "VOWEL SIGN SARA II N/S-T")
; 0xD5
+ (?,TV(B vowel-upper "VOWEL SIGN SARA UE N/S-T")
; 0xD6
+ (?,TW(B vowel-upper "VOWEL SIGN SARA UEE N/S-T")
; 0xD7
+ (?,TX(B vowel-lower "VOWEL SIGN SARA U N/S-B")
; 0xD8
+ (?,TY(B vowel-lower "VOWEL SIGN SARA UU N/S-B")
; 0xD9
+ (?,TZ(B vowel-lower "VOWEL SIGN PHINTHU N/S-B (Pali virama)")
; 0xDA
+ (?,T[(B invalid nil)
; 0xDA
+ (?,T\(B invalid nil)
; 0xDC
+ (?,T](B invalid nil)
; 0xDC
+ (?,T^(B invalid nil)
; 0xDC
+ (?,T_(B special "BAHT SIGN (currency symbol)")
; 0xDF
+ (?,T`(B vowel-base "VOWEL SIGN SARA E")
; 0xE0
+ (?,Ta(B vowel-base "VOWEL SIGN SARA AE")
; 0xE1
+ (?,Tb(B vowel-base "VOWEL SIGN SARA O")
; 0xE2
+ (?,Tc(B vowel-base "VOWEL SIGN SARA MAI MUAN")
; 0xE3
+ (?,Td(B vowel-base "VOWEL SIGN SARA MAI MALAI")
; 0xE4
+ (?,Te(B vowel-base "LAK KHANG YAO")
; 0xE5
+ (?,Tf(B special "MAI YAMOK (repetion)")
; 0xE6
+ (?,Tg(B vowel-upper "VOWEL SIGN MAI TAI KHU N/S-T")
; 0xE7
+ (?,Th(B tone "TONE MAI EK N/S-T") ; 0xE8
+ (?,Ti(B tone "TONE MAI THO N/S-T") ; 0xE9
+ (?,Tj(B tone "TONE MAI TRI N/S-T") ; 0xEA
+ (?,Tk(B tone "TONE MAI CHATTAWA N/S-T")
; 0xEB
+ (?,Tl(B tone "THANTHAKHAT N/S-T (cancellation mark)")
; 0xEC
+ (?,Tm(B tone "NIKKHAHIT N/S-T (final nasal)")
; 0xED
+ (?,Tn(B vowel-upper "YAMAKKAN N/S-T")
; 0xEE
+ (?,To(B special "FONRMAN") ; 0xEF
+ (?,Tp(B special "DIGIT ZERO")
; 0xF0
+ (?,Tq(B special "DIGIT ONE")
; 0xF1
+ (?,Tr(B special "DIGIT TWO")
; 0xF2
+ (?,Ts(B special "DIGIT THREE")
; 0xF3
+ (?,Tt(B special "DIGIT FOUR")
; 0xF4
+ (?,Tu(B special "DIGIT FIVE")
; 0xF5
+ (?,Tv(B special "DIGIT SIX")
; 0xF6
+ (?,Tw(B special "DIGIT SEVEN")
; 0xF7
+ (?,Tx(B special "DIGIT EIGHT")
; 0xF8
+ (?,Ty(B special "DIGIT NINE")
; 0xF9
+ (?,Tz(B special "ANGKHANKHU (ellipsis)")
; 0xFA
+ (?,T{(B special "KHOMUT (beginning of religious texts)")
; 0xFB
+ (?,T|(B invalid nil)
; 0xFC
+ (?,T}(B invalid nil)
; 0xFD
+ (?,T~(B invalid nil)
; 0xFE
+ ))
+ elm)
+ (while l
+ (setq elm (car l) l (cdr l))
+ (let ((char (car elm))
+ (ptype (nth 1 elm)))
+ (put-char-code-property char 'phonetic-type ptype)
+ (cond ((eq ptype 'consonant)
+ (modify-category-entry char ?c thai-category-table))
+ ((memq ptype '(vowel-upper vowel-lower))
+ (modify-category-entry char ?v thai-category-table))
+ ((eq ptype 'tone)
+ (modify-category-entry char ?t thai-category-table)))
+ (put-char-code-property char 'name (nth 2 elm)))))
+
+ ;;;###autoload
+ (defun thai-compose-region (beg end)
+ "Compose Thai characters in the region.
+ When called from a program, expects two arguments,
+ positions (integers or markers) specifying the region."
+ (interactive "r")
+ (save-restriction
+ (narrow-to-region beg end)
+ (goto-char (point-min))
+ (with-category-table thai-category-table
+ (while (re-search-forward thai-composition-pattern nil t)
+ (compose-region (match-beginning 0) (match-end 0))))))
+
+ ;;;###autoload
+ (defun thai-compose-string (string)
+ "Compose Thai characters in STRING and return the resulting string."
+ (with-category-table thai-category-table
+ (let ((idx 0))
+ (while (setq idx (string-match thai-composition-pattern string idx))
+ (compose-string string idx (match-end 0))
+ (setq idx (match-end 0)))))
+ string)
+
+ ;;;###autoload
+ (defun thai-compose-buffer ()
+ "Compose Thai characters in the current buffer."
+ (interactive)
+ (thai-compose-region (point-min) (point-max)))
+
+ ;;;###autoload
+ (defun thai-composition-function (pos &optional string)
+ (setq pos (1- pos))
+ (let ((pattern
"[,T!(B-,TCEG(B-,TN!(B-,TCEG(B-,TN(B][,TQT(B-,TWgnX(B-,TZQT(B-,TWgnX(B-,TZ(B]?[,Th(B-,Tmh(B-,Tm(B]?"))
+ (if string
+ (if (and (>= pos 0)
+ (eq (string-match pattern string pos) pos))
+ (prog1 (match-end 0)
+ (compose-string string pos (match-end 0))))
+ (if (>= pos (point-min))
+ (progn
+ (goto-char pos)
+ (if (looking-at pattern)
+ (prog1 (match-end 0)
+ (compose-region pos (match-end 0)))))))))
+
+ ;;
+ (provide 'thai-util)
+
+ ;;; thai-util.el ends here
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