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[Emacs-diffs] Changes to emacs/lisp/language/thai-util.el,v


From: Kenichi Handa
Subject: [Emacs-diffs] Changes to emacs/lisp/language/thai-util.el,v
Date: Fri, 29 Aug 2008 08:01:04 +0000

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Kenichi Handa <handa>   08/08/29 08:01:03

Index: thai-util.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/language/thai-util.el,v
retrieving revision 1.41
retrieving revision 1.42
diff -u -b -r1.41 -r1.42
--- thai-util.el        6 May 2008 04:22:14 -0000       1.41
+++ thai-util.el        29 Aug 2008 08:01:03 -0000      1.42
@@ -1,4 +1,4 @@
-;;; 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
@@ -49,107 +49,107 @@
 ;;
 ;; where C: consonant, V: vowel upper, v: vowel lower,
 ;;       T: tone mark, U: tone mark and upper sign.
-;; Special rule: The sign `,Tl(B' can be put on the vowel `,TT(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 '((?,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 sign-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 sign-upper "THANTHAKHAT N/S-T (cancellation mark)")        
; 0xEC
-          (?,Tm(B sign-upper "NIKKHAHIT N/S-T (final nasal)")                
; 0xED
-          (?,Tn(B sign-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
+(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
@@ -161,7 +161,7 @@
             (modify-category-entry char ?c thai-category-table))
            ((memq ptype '(vowel-upper vowel-lower))
             (modify-category-entry char ?v thai-category-table)
-            (if (= char ?,TT(B)
+            (if (= char ?ิ)
                 ;; Give category `I' to "SARA I".
                 (modify-category-entry char ?I thai-category-table)))
            ((eq ptype 'tone)
@@ -169,7 +169,7 @@
             (modify-category-entry char ?u thai-category-table))
            ((eq ptype 'sign-upper)
             (modify-category-entry char ?u thai-category-table)
-            (if (= char ?,Tl(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)))))
@@ -227,20 +227,21 @@
   (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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