-;;; thai-util.el --- utilities for Thai -*- coding: iso-2022-7bit; -*-
+;;; thai-util.el --- utilities for Thai -*- coding: utf-8; -*-
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007, 2008
;;
;; where C: consonant, V: vowel upper, v: vowel lower,
;; T: tone mark, U: tone mark and upper sign.
-;; Special rule: The sign `\e,Tl\e(B' can be put on the vowel `\e,TT\e(B'.
+;; Special rule: The sign `์' can be put on the vowel `ิ'.
(defvar thai-composition-pattern
"\\cc\\(\\cu\\|\\cI\\cU\\|\\cv\\ct?\\)\\|\\cv\\ct\\|\\cI\\cU"
"Regular expression matching a Thai composite sequence.")
-(let ((l '((?\e,T!\e(B consonant "LETTER KO KAI") ; 0xA1
- (?\e,T"\e(B consonant "LETTER KHO KHAI") ; 0xA2
- (?\e,T#\e(B consonant "LETTER KHO KHUAT") ; 0xA3
- (?\e,T$\e(B consonant "LETTER KHO KHWAI") ; 0xA4
- (?\e,T%\e(B consonant "LETTER KHO KHON") ; 0xA5
- (?\e,T&\e(B consonant "LETTER KHO RAKHANG") ; 0xA6
- (?\e,T'\e(B consonant "LETTER NGO NGU") ; 0xA7
- (?\e,T(\e(B consonant "LETTER CHO CHAN") ; 0xA8
- (?\e,T)\e(B consonant "LETTER CHO CHING") ; 0xA9
- (?\e,T*\e(B consonant "LETTER CHO CHANG") ; 0xAA
- (?\e,T+\e(B consonant "LETTER SO SO") ; 0xAB
- (?\e,T,\e(B consonant "LETTER CHO CHOE") ; 0xAC
- (?\e,T-\e(B consonant "LETTER YO YING") ; 0xAD
- (?\e,T.\e(B consonant "LETTER DO CHADA") ; 0xAE
- (?\e,T/\e(B consonant "LETTER TO PATAK") ; 0xAF
- (?\e,T0\e(B consonant "LETTER THO THAN") ; 0xB0
- (?\e,T1\e(B consonant "LETTER THO NANGMONTHO") ; 0xB1
- (?\e,T2\e(B consonant "LETTER THO PHUTHAO") ; 0xB2
- (?\e,T3\e(B consonant "LETTER NO NEN") ; 0xB3
- (?\e,T4\e(B consonant "LETTER DO DEK") ; 0xB4
- (?\e,T5\e(B consonant "LETTER TO TAO") ; 0xB5
- (?\e,T6\e(B consonant "LETTER THO THUNG") ; 0xB6
- (?\e,T7\e(B consonant "LETTER THO THAHAN") ; 0xB7
- (?\e,T8\e(B consonant "LETTER THO THONG") ; 0xB8
- (?\e,T9\e(B consonant "LETTER NO NU") ; 0xB9
- (?\e,T:\e(B consonant "LETTER BO BAIMAI") ; 0xBA
- (?\e,T;\e(B consonant "LETTER PO PLA") ; 0xBB
- (?\e,T<\e(B consonant "LETTER PHO PHUNG") ; 0xBC
- (?\e,T=\e(B consonant "LETTER FO FA") ; 0xBD
- (?\e,T>\e(B consonant "LETTER PHO PHAN") ; 0xBE
- (?\e,T?\e(B consonant "LETTER FO FAN") ; 0xBF
- (?\e,T@\e(B consonant "LETTER PHO SAMPHAO") ; 0xC0
- (?\e,TA\e(B consonant "LETTER MO MA") ; 0xC1
- (?\e,TB\e(B consonant "LETTER YO YAK") ; 0xC2
- (?\e,TC\e(B consonant "LETTER RO RUA") ; 0xC3
- (?\e,TD\e(B vowel-base "LETTER RU (Pali vowel letter)") ; 0xC4
- (?\e,TE\e(B consonant "LETTER LO LING") ; 0xC5
- (?\e,TF\e(B vowel-base "LETTER LU (Pali vowel letter)") ; 0xC6
- (?\e,TG\e(B consonant "LETTER WO WAEN") ; 0xC7
- (?\e,TH\e(B consonant "LETTER SO SALA") ; 0xC8
- (?\e,TI\e(B consonant "LETTER SO RUSI") ; 0xC9
- (?\e,TJ\e(B consonant "LETTER SO SUA") ; 0xCA
- (?\e,TK\e(B consonant "LETTER HO HIP") ; 0xCB
- (?\e,TL\e(B consonant "LETTER LO CHULA") ; 0xCC
- (?\e,TM\e(B consonant "LETTER O ANG") ; 0xCD
- (?\e,TN\e(B consonant "LETTER HO NOK HUK") ; 0xCE
- (?\e,TO\e(B special "PAI YAN NOI (abbreviation)") ; 0xCF
- (?\e,TP\e(B vowel-base "VOWEL SIGN SARA A") ; 0xD0
- (?\e,TQ\e(B vowel-upper "VOWEL SIGN MAI HAN-AKAT N/S-T") ; 0xD1
- (?\e,TR\e(B vowel-base "VOWEL SIGN SARA AA") ; 0xD2
- (?\e,TS\e(B vowel-base "VOWEL SIGN SARA AM") ; 0xD3
- (?\e,TT\e(B vowel-upper "VOWEL SIGN SARA I N/S-T") ; 0xD4
- (?\e,TU\e(B vowel-upper "VOWEL SIGN SARA II N/S-T") ; 0xD5
- (?\e,TV\e(B vowel-upper "VOWEL SIGN SARA UE N/S-T") ; 0xD6
- (?\e,TW\e(B vowel-upper "VOWEL SIGN SARA UEE N/S-T") ; 0xD7
- (?\e,TX\e(B vowel-lower "VOWEL SIGN SARA U N/S-B") ; 0xD8
- (?\e,TY\e(B vowel-lower "VOWEL SIGN SARA UU N/S-B") ; 0xD9
- (?\e,TZ\e(B vowel-lower "VOWEL SIGN PHINTHU N/S-B (Pali virama)") ; 0xDA
- (?\e,T[\e(B invalid nil) ; 0xDA
- (?\e,T\\e(B invalid nil) ; 0xDC
- (?\e,T]\e(B invalid nil) ; 0xDC
- (?\e,T^\e(B invalid nil) ; 0xDC
- (?\e,T_\e(B special "BAHT SIGN (currency symbol)") ; 0xDF
- (?\e,T`\e(B vowel-base "VOWEL SIGN SARA E") ; 0xE0
- (?\e,Ta\e(B vowel-base "VOWEL SIGN SARA AE") ; 0xE1
- (?\e,Tb\e(B vowel-base "VOWEL SIGN SARA O") ; 0xE2
- (?\e,Tc\e(B vowel-base "VOWEL SIGN SARA MAI MUAN") ; 0xE3
- (?\e,Td\e(B vowel-base "VOWEL SIGN SARA MAI MALAI") ; 0xE4
- (?\e,Te\e(B vowel-base "LAK KHANG YAO") ; 0xE5
- (?\e,Tf\e(B special "MAI YAMOK (repetion)") ; 0xE6
- (?\e,Tg\e(B sign-upper "VOWEL SIGN MAI TAI KHU N/S-T") ; 0xE7
- (?\e,Th\e(B tone "TONE MAI EK N/S-T") ; 0xE8
- (?\e,Ti\e(B tone "TONE MAI THO N/S-T") ; 0xE9
- (?\e,Tj\e(B tone "TONE MAI TRI N/S-T") ; 0xEA
- (?\e,Tk\e(B tone "TONE MAI CHATTAWA N/S-T") ; 0xEB
- (?\e,Tl\e(B sign-upper "THANTHAKHAT N/S-T (cancellation mark)") ; 0xEC
- (?\e,Tm\e(B sign-upper "NIKKHAHIT N/S-T (final nasal)") ; 0xED
- (?\e,Tn\e(B sign-upper "YAMAKKAN N/S-T") ; 0xEE
- (?\e,To\e(B special "FONRMAN") ; 0xEF
- (?\e,Tp\e(B special "DIGIT ZERO") ; 0xF0
- (?\e,Tq\e(B special "DIGIT ONE") ; 0xF1
- (?\e,Tr\e(B special "DIGIT TWO") ; 0xF2
- (?\e,Ts\e(B special "DIGIT THREE") ; 0xF3
- (?\e,Tt\e(B special "DIGIT FOUR") ; 0xF4
- (?\e,Tu\e(B special "DIGIT FIVE") ; 0xF5
- (?\e,Tv\e(B special "DIGIT SIX") ; 0xF6
- (?\e,Tw\e(B special "DIGIT SEVEN") ; 0xF7
- (?\e,Tx\e(B special "DIGIT EIGHT") ; 0xF8
- (?\e,Ty\e(B special "DIGIT NINE") ; 0xF9
- (?\e,Tz\e(B special "ANGKHANKHU (ellipsis)") ; 0xFA
- (?\e,T{\e(B special "KHOMUT (beginning of religious texts)") ; 0xFB
- (?\e,T|\e(B invalid nil) ; 0xFC
- (?\e,T}\e(B invalid nil) ; 0xFD
- (?\e,T~\e(B invalid nil) ; 0xFE
+(let ((l '((?ก consonant "LETTER KO KAI") ; 0xA1
+ (?ข consonant "LETTER KHO KHAI") ; 0xA2
+ (?ฃ consonant "LETTER KHO KHUAT") ; 0xA3
+ (?ค consonant "LETTER KHO KHWAI") ; 0xA4
+ (?ฅ consonant "LETTER KHO KHON") ; 0xA5
+ (?ฆ consonant "LETTER KHO RAKHANG") ; 0xA6
+ (?ง consonant "LETTER NGO NGU") ; 0xA7
+ (?จ consonant "LETTER CHO CHAN") ; 0xA8
+ (?ฉ consonant "LETTER CHO CHING") ; 0xA9
+ (?ช consonant "LETTER CHO CHANG") ; 0xAA
+ (?ซ consonant "LETTER SO SO") ; 0xAB
+ (?ฌ consonant "LETTER CHO CHOE") ; 0xAC
+ (?ญ consonant "LETTER YO YING") ; 0xAD
+ (?ฎ consonant "LETTER DO CHADA") ; 0xAE
+ (?ฏ consonant "LETTER TO PATAK") ; 0xAF
+ (?ฐ consonant "LETTER THO THAN") ; 0xB0
+ (?ฑ consonant "LETTER THO NANGMONTHO") ; 0xB1
+ (?ฒ consonant "LETTER THO PHUTHAO") ; 0xB2
+ (?ณ consonant "LETTER NO NEN") ; 0xB3
+ (?ด consonant "LETTER DO DEK") ; 0xB4
+ (?ต consonant "LETTER TO TAO") ; 0xB5
+ (?ถ consonant "LETTER THO THUNG") ; 0xB6
+ (?ท consonant "LETTER THO THAHAN") ; 0xB7
+ (?ธ consonant "LETTER THO THONG") ; 0xB8
+ (?น consonant "LETTER NO NU") ; 0xB9
+ (?บ consonant "LETTER BO BAIMAI") ; 0xBA
+ (?ป consonant "LETTER PO PLA") ; 0xBB
+ (?ผ consonant "LETTER PHO PHUNG") ; 0xBC
+ (?ฝ consonant "LETTER FO FA") ; 0xBD
+ (?พ consonant "LETTER PHO PHAN") ; 0xBE
+ (?ฟ consonant "LETTER FO FAN") ; 0xBF
+ (?ภ consonant "LETTER PHO SAMPHAO") ; 0xC0
+ (?ม consonant "LETTER MO MA") ; 0xC1
+ (?ย consonant "LETTER YO YAK") ; 0xC2
+ (?ร consonant "LETTER RO RUA") ; 0xC3
+ (?ฤ vowel-base "LETTER RU (Pali vowel letter)") ; 0xC4
+ (?ล consonant "LETTER LO LING") ; 0xC5
+ (?ฦ vowel-base "LETTER LU (Pali vowel letter)") ; 0xC6
+ (?ว consonant "LETTER WO WAEN") ; 0xC7
+ (?ศ consonant "LETTER SO SALA") ; 0xC8
+ (?ษ consonant "LETTER SO RUSI") ; 0xC9
+ (?ส consonant "LETTER SO SUA") ; 0xCA
+ (?ห consonant "LETTER HO HIP") ; 0xCB
+ (?ฬ consonant "LETTER LO CHULA") ; 0xCC
+ (?อ consonant "LETTER O ANG") ; 0xCD
+ (?ฮ consonant "LETTER HO NOK HUK") ; 0xCE
+ (?ฯ special "PAI YAN NOI (abbreviation)") ; 0xCF
+ (?ะ vowel-base "VOWEL SIGN SARA A") ; 0xD0
+ (?ั vowel-upper "VOWEL SIGN MAI HAN-AKAT N/S-T") ; 0xD1
+ (?า vowel-base "VOWEL SIGN SARA AA") ; 0xD2
+ (?ำ vowel-base "VOWEL SIGN SARA AM") ; 0xD3
+ (?ิ vowel-upper "VOWEL SIGN SARA I N/S-T") ; 0xD4
+ (?ี vowel-upper "VOWEL SIGN SARA II N/S-T") ; 0xD5
+ (?ึ vowel-upper "VOWEL SIGN SARA UE N/S-T") ; 0xD6
+ (?ื vowel-upper "VOWEL SIGN SARA UEE N/S-T") ; 0xD7
+ (?ุ vowel-lower "VOWEL SIGN SARA U N/S-B") ; 0xD8
+ (?ู vowel-lower "VOWEL SIGN SARA UU N/S-B") ; 0xD9
+ (?ฺ vowel-lower "VOWEL SIGN PHINTHU N/S-B (Pali virama)") ; 0xDA
+ (? invalid nil) ; 0xDA
+ (? invalid nil) ; 0xDC
+ (? invalid nil) ; 0xDC
+ (? invalid nil) ; 0xDC
+ (?฿ special "BAHT SIGN (currency symbol)") ; 0xDF
+ (?เ vowel-base "VOWEL SIGN SARA E") ; 0xE0
+ (?แ vowel-base "VOWEL SIGN SARA AE") ; 0xE1
+ (?โ vowel-base "VOWEL SIGN SARA O") ; 0xE2
+ (?ใ vowel-base "VOWEL SIGN SARA MAI MUAN") ; 0xE3
+ (?ไ vowel-base "VOWEL SIGN SARA MAI MALAI") ; 0xE4
+ (?ๅ vowel-base "LAK KHANG YAO") ; 0xE5
+ (?ๆ special "MAI YAMOK (repetion)") ; 0xE6
+ (?็ sign-upper "VOWEL SIGN MAI TAI KHU N/S-T") ; 0xE7
+ (?่ tone "TONE MAI EK N/S-T") ; 0xE8
+ (?้ tone "TONE MAI THO N/S-T") ; 0xE9
+ (?๊ tone "TONE MAI TRI N/S-T") ; 0xEA
+ (?๋ tone "TONE MAI CHATTAWA N/S-T") ; 0xEB
+ (?์ sign-upper "THANTHAKHAT N/S-T (cancellation mark)") ; 0xEC
+ (?ํ sign-upper "NIKKHAHIT N/S-T (final nasal)") ; 0xED
+ (?๎ sign-upper "YAMAKKAN N/S-T") ; 0xEE
+ (?๏ special "FONRMAN") ; 0xEF
+ (?๐ special "DIGIT ZERO") ; 0xF0
+ (?๑ special "DIGIT ONE") ; 0xF1
+ (?๒ special "DIGIT TWO") ; 0xF2
+ (?๓ special "DIGIT THREE") ; 0xF3
+ (?๔ special "DIGIT FOUR") ; 0xF4
+ (?๕ special "DIGIT FIVE") ; 0xF5
+ (?๖ special "DIGIT SIX") ; 0xF6
+ (?๗ special "DIGIT SEVEN") ; 0xF7
+ (?๘ special "DIGIT EIGHT") ; 0xF8
+ (?๙ special "DIGIT NINE") ; 0xF9
+ (?๚ special "ANGKHANKHU (ellipsis)") ; 0xFA
+ (?๛ special "KHOMUT (beginning of religious texts)") ; 0xFB
+ (? invalid nil) ; 0xFC
+ (? invalid nil) ; 0xFD
+ (? invalid nil) ; 0xFE
))
elm)
(while l
(modify-category-entry char ?c thai-category-table))
((memq ptype '(vowel-upper vowel-lower))
(modify-category-entry char ?v thai-category-table)
- (if (= char ?\e,TT\e(B)
+ (if (= char ?ิ)
;; Give category `I' to "SARA I".
(modify-category-entry char ?I thai-category-table)))
((eq ptype 'tone)
(modify-category-entry char ?u thai-category-table))
((eq ptype 'sign-upper)
(modify-category-entry char ?u thai-category-table)
- (if (= char ?\e,Tl\e(B)
+ (if (= char ?์)
;; Give category `U' to "THANTHAKHAT".
(modify-category-entry char ?U thai-category-table))))
(put-char-code-property char 'name (nth 2 elm)))))
(thai-compose-region (point-min) (point-max)))
;;;###autoload
-(defun thai-composition-function (pos to font-object string)
- (setq pos (1- pos))
- (with-category-table thai-category-table
- (if string
- (if (and (>= pos 0)
- (eq (string-match thai-composition-pattern string pos) pos))
- (prog1 (match-end 0)
- (thai-compose-syllable pos (match-end 0) nil string)))
- (if (>= pos (point-min))
- (progn
- (goto-char pos)
- (if (looking-at thai-composition-pattern)
- (prog1 (match-end 0)
- (thai-compose-syllable pos (match-end 0)))))))))
+(defun thai-composition-function (gstring)
+ (if (= (lgstring-char-len gstring) 1)
+ (compose-gstring-for-graphic gstring)
+ (or (font-shape-gstring gstring)
+ (let ((glyph-len (lgstring-glyph-len gstring))
+ (last-char (lgstring-char gstring
+ (1- (lgstring-char-len gstring))))
+ (i 0)
+ glyph)
+ (while (and (< i glyph-len)
+ (setq glyph (lgstring-glyph gstring i)))
+ (setq i (1+ i)))
+ (if (= last-char ?ำ)
+ (setq i (1- i)))
+ (compose-glyph-string-relative gstring 0 i 0.1)))))
;; Thai-word-mode requires functions in the feature `thai-word'.
(require 'thai-word)
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