[bpt/emacs.git] / lisp / language / indian.el

;;; indian.el --- Indian languages support -*- coding: utf-8; -*-

;; Copyright (C) 1997, 1999, 2001-2013 Free Software Foundation, Inc.
;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
;;   National Institute of Advanced Industrial Science and Technology (AIST)
;;   Registration Number H14PRO021

;; Maintainer:  Kenichi Handa <handa@m17n.org>
;;		KAWABATA, Taichi <kawabata@m17n.org>
;; Keywords: 	multilingual, i18n, Indian

;; 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:

;; This file contains definitions of Indian language environments, and
;; setups for displaying the scrtipts used there.

;;; Code:

(define-coding-system 'in-is13194-devanagari
  "8-bit encoding for ASCII (MSB=0) and IS13194-Devanagari (MSB=1)."
  :coding-type 'iso-2022
  :mnemonic ?D
  :designation [ascii indian-is13194 nil nil]
  :charset-list '(ascii indian-is13194)
  :post-read-conversion 'in-is13194-post-read-conversion
  :pre-write-conversion 'in-is13194-pre-write-conversion)

(define-coding-system-alias 'devanagari 'in-is13194-devanagari)

(set-language-info-alist
 "Devanagari" '((charset unicode)
		(coding-system utf-8)
		(coding-priority utf-8)
		(input-method . "devanagari-aiba")
		(documentation . "\
Such languages using Devanagari script as Hindi and Marathi
are supported in this language environment."))
 '("Indian"))

(set-language-info-alist
 "Bengali" '((charset unicode)
	     (coding-system utf-8)
	     (coding-priority utf-8)
	     (input-method . "bengali-itrans")
	     (documentation . "\
Such languages using Bengali script as Bengali and Assamese
are supported in this language environment."))
 '("Indian"))

(set-language-info-alist
 "Punjabi" '((charset unicode)
	      (coding-system utf-8)
	      (coding-priority utf-8)
	      (input-method . "punjabi-itrans")
	      (documentation . "\
North Indian language Punjabi is supported in this language environment."))
 '("Indian"))

(set-language-info-alist
 "Gujarati" '((charset unicode)
	      (coding-system utf-8)
	      (coding-priority utf-8)
	      (input-method . "gujarati-itrans")
	      (documentation . "\
North Indian language Gujarati is supported in this language environment."))
 '("Indian"))

(set-language-info-alist
 "Oriya" '((charset unicode)
	      (coding-system utf-8)
	      (coding-priority utf-8)
	      (input-method . "oriya-itrans")
	      (documentation . "\
Such languages using Oriya script as Oriya, Khonti, and Santali
are supported in this language environment."))
 '("Indian"))

(set-language-info-alist
 "Tamil" '((charset unicode)
	   (coding-system utf-8)
	   (coding-priority utf-8)
	   (input-method . "tamil-itrans")
	   (documentation . "\
South Indian Language Tamil is supported in this language environment."))
 '("Indian"))

(set-language-info-alist
 "Telugu" '((charset unicode)
	    (coding-system utf-8)
	    (coding-priority utf-8)
	    (input-method . "telugu-itrans")
	    (documentation . "\
South Indian Language Telugu is supported in this language environment."))
 '("Indian"))

(set-language-info-alist
 "Kannada" '((charset unicode)
	     (coding-system mule-utf-8)
	     (coding-priority mule-utf-8)
	     (input-method . "kannada-itrans")
	     (sample-text . "Kannada (ಕನ್ನಡ)	ನಮಸ್ಕಾರ")
	     (documentation . "\
Kannada language and script is supported in this language
environment.")) 
 '("Indian"))

(set-language-info-alist
 "Malayalam" '((charset unicode)
	       (coding-system utf-8)
	       (coding-priority utf-8)
	       (input-method . "malayalam-itrans")
	       (documentation . "\
South Indian language Malayalam is supported in this language environment."))
 '("Indian"))

;; Replace mnemonic characters in REGEXP according to TABLE.  TABLE is
;; an alist of (MNEMONIC-STRING . REPLACEMENT-STRING).

(defun indian-compose-regexp (regexp table)
  (let ((case-fold-search nil))
    (dolist (elt table)
      (setq regexp (replace-regexp-in-string (car elt) (cdr elt) regexp t t)))
    regexp))

(defconst devanagari-composable-pattern
  (let ((table
	 '(("a" . "[\u0900-\u0902]")	; vowel modifier (above)
	   ("A" . "\u0903")		; vowel modifier (post) 
	   ("V" . "[\u0904-\u0914\u0960-\u0961\u0972]") ; independent vowel
	   ("C" . "[\u0915-\u0939\u0958-\u095F\u0979-\u097F]") ; consonant
	   ("R" . "\u0930")		; RA
	   ("n" . "\u093C")		; NUKTA
	   ("v" . "[\u093E-\u094C\u094E\u0955\u0962-\u0963]") ; vowel sign
	   ("H" . "\u094D")		; HALANT
	   ("s" . "[\u0951-\u0952]")	; stress sign
	   ("t" . "[\u0953-\u0954]")	; accent
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0900-\u097F]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; syllables with an independent vowel, or
      "\\(?:RH\\)?Vn?\\(?:J?HR\\)?v*n?a?s?t?A?\\|"
      ;; consonant-based syllables, or
      "Cn?\\(?:J?HJ?Cn?\\)*\\(?:H[NJ]?\\|v*n?a?s?t?A?\\)\\|"
      ;; special consonant form, or
      "JHR\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Devanagari characters.")

(defconst bengali-composable-pattern
  (let ((table
	 '(("a" . "\u0981")		; SIGN CANDRABINDU
	   ("A" . "[\u0982-\u0983]")	; SIGN ANUSVARA .. VISARGA
	   ("V" . "[\u0985-\u0994\u09E0-\u09E1]") ; independent vowel
	   ("C" . "[\u0995-\u09B9\u09DC-\u09DF\u09F1]") ; consonant
	   ("B" . "[\u09AC\u09AF-\u09B0\u09F0]")		; BA, YA, RA
	   ("R" . "[\u09B0\u09F0]")		; RA
	   ("n" . "\u09BC")		; NUKTA
	   ("v" . "[\u09BE-\u09CC\u09D7\u09E2-\u09E3]") ; vowel sign
	   ("H" . "\u09CD")		; HALANT
	   ("T" . "\u09CE")		; KHANDA TA
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0980-\u09FF]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; syllables with an independent vowel, or
      "\\(?:RH\\)?Vn?\\(?:J?HB\\)?v*n?a?A?\\|"
      ;; consonant-based syllables, or
      "Cn?\\(?:J?HJ?Cn?\\)*\\(?:H[NJ]?\\|v*[NJ]?v?a?A?\\)\\|"
      ;; another syllables with an independent vowel, or
      "\\(?:RH\\)?T\\|"
      ;; special consonant form, or
      "JHB\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Bengali characters.")

(defconst gurmukhi-composable-pattern
  (let ((table
	 '(("a" . "[\u0A01-\u0A02\u0A70]") ; SIGN ADAK BINDI .. BINDI, TIPPI
	   ("A" . "\u0A03")		; SIGN VISARGA
	   ("V" . "[\u0A05-\u0A14]")	; independent vowel
	   ("C" . "[\u0A15-\u0A39\u0A59-\u0A5E]")	; consonant
	   ("Y" . "[\u0A2F-u0A30\u0A35\u0A39]") ; YA, RA, VA, HA
	   ("n" . "\u0A3C")		; NUKTA
	   ("v" . "[\u0A3E-\u0A4C]")	; vowel sign
	   ("H" . "\u0A4D")		; VIRAMA
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0A00-\u0A7F]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; consonant-based syllables, or
      "Cn?\\(?:J?HJ?Cn?\\)*\\(?:H[NJ]?\\|v*n?a?A?\\)\\|"
      ;; syllables with an independent vowel, or
      "Vn?\\(?:J?HY\\)?v*n?a?A?\\|"
      ;; special consonant form, or
      "JHY\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Gurmukhi characters.")

(defconst gujarati-composable-pattern
  (let ((table
	 '(("a" . "[\u0A81-\u0A82]")	; SIGN CANDRABINDU .. ANUSVARA
	   ("A" . "\u0A83")		; SIGN VISARGA
	   ("V" . "[\u0A85-\u0A94\u0AE0-\u0AE1]") ; independent vowel
	   ("C" . "[\u0A95-\u0AB9]")	; consonant
	   ("R" . "\u0AB0")		; RA
	   ("n" . "\u0ABC")		; NUKTA
	   ("v" . "[\u0ABE-\u0ACC\u0AE2-\u0AE3]") ; vowel sign
	   ("H" . "\u0ACD")		; VIRAMA
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0A80-\u0AFF]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; syllables with an independent vowel, or
      "\\(?:RH\\)?Vn?\\(?:J?HR\\)?v*n?a?A?\\|"
      ;; consonant-based syllables, or
      "Cn?\\(?:J?HJ?Cn?\\)*\\(?:H[NJ]?\\|v*n?a?A?\\)\\|"
      ;; special consonant form, or
      "JHR\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Gujarati characters.")

(defconst oriya-composable-pattern
  (let ((table
	 '(("a" . "\u0B01")		; SIGN CANDRABINDU
	   ("A" . "[\u0B02-\u0B03]")	; SIGN ANUSVARA .. VISARGA
	   ("V" . "[\u0B05-\u0B14\u0B60-\u0B61]") ; independent vowel
	   ("C" . "[\u0B15-\u0B39\u0B5C-\u0B5D\u0B71]")	; consonant
	   ("B" . "[\u0B15-\u0B17\u0B1B-\u0B1D\u0B1F-\u0B21\u0B23-\u0B24\u0B27-\u0B30\u0B32-\u0B35\u0B38-\u0B39]") ; consonant with below form
	   ("R" . "\u0B30")		; RA
	   ("n" . "\u0B3C")		; NUKTA
	   ("v" . "[\u0B3E-\u0B4C\u0B56-\u0B57\u0B62-\u0B63]") ; vowel sign
	   ("H" . "\u0B4D")		; VIRAMA
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0B00-\u0B7F]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; syllables with an independent vowel, or
      "\\(?:RH\\)?Vn?\\(?:J?HB\\)?v*n?a?A?\\|"
      ;; consonant-based syllables, or
      "Cn?\\(?:J?HJ?Cn?\\)*\\(?:H[NJ]?\\|v*n?a?A?\\)\\|"
      ;; special consonant form, or
      "JHB\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Oriya characters.")

(defconst tamil-composable-pattern
  (let ((table
	 '(("a" . "\u0B82")		; SIGN ANUSVARA
	   ("V" . "[\u0B85-\u0B94]")	; independent vowel
	   ("C" . "[\u0B95-\u0BB9]")	; consonant
	   ("v" . "[\u0BBE-\u0BCC\u0BD7]") ; vowel sign
	   ("H" . "\u0BCD")		; VIRAMA
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0B80-\u0BFF]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; consonant-based syllables, or
      "C\\(?:J?HJ?C\\)*\\(?:H[NJ]?\\|v*a?\\)\\|"
      ;; syllables with an independent vowel, or
      "Vv*a?\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Tamil characters.")

(defconst telugu-composable-pattern
  (let ((table
	 '(("a" . "[\u0C01-\u0C03]")	; SIGN CANDRABINDU .. VISARGA
	   ("V" . "[\u0C05-\u0C14\u0C60-\u0C61]") ; independent vowel
	   ("C" . "[\u0C15-\u0C39\u0C58-\u0C59]") ; consonant
	   ("v" . "[\u0C3E-\u0C4C\u0C55-\u0C56\u0C62-\u0C63]")	; vowel sign
	   ("H" . "\u0C4D")		; VIRAMA
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0C00-\u0C7F]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; consonant-based syllables, or
      "C\\(?:J?HJ?C\\)*\\(?:H[NJ]?\\|v*a?\\)\\|"
      ;; syllables with an independent vowel, or
      "V\\(?:J?HC\\)?v*a?\\|"
      ;; special consonant form, or
      "JHC\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Telugu characters.")

(defconst kannada-composable-pattern
  (let ((table
	 '(("A" . "[\u0C82-\u0C83]")	; SIGN ANUSVARA .. VISARGA
	   ("V" . "[\u0C85-\u0C94\u0CE0-\u0CE1]") ; independent vowel
	   ("C" . "[\u0C95-\u0CB9\u0CDE]")	  ; consonant
	   ("R" . "\u0CB0")		; RA
	   ("n" . "\u0CBC")		; NUKTA
	   ("v" . "[\u0CBE-\u0CCC\u0CD5-\u0CD6\u0CE2-\u0CE3]") ; vowel sign
	   ("H" . "\u0CCD")		; VIRAMA
	   ("N" . "\u200C")		; ZWNJ
	   ("J" . "\u200D")		; ZWJ
	   ("X" . "[\u0C80-\u0CFF]"))))	; all coverage
    (indian-compose-regexp
     (concat
      ;; syllables with an independent vowel, or
      "\\(?:RH\\)?Vn?\\(?:J?HC\\)?v?A?\\|"
      ;; consonant-based syllables, or
      "Cn?\\(?:J?HJ?Cn?\\)*\\(?:H[NJ]?\\|v*n?A?\\)\\|"
      ;; special consonant form, or
      "JHC\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Kannada characters.")

(defconst malayalam-composable-pattern
  (let ((table
	 '(("A" . "[\u0D02-\u0D03]")	; SIGN ANUSVARA .. VISARGA
	   ("V" . "[\u0D05-\u0D14\u0D60-\u0D61]") ; independent vowel
	   ("C" . "[\u0D15-\u0D39]")		  ; consonant 
	   ("Y" . "[\u0D2F-\u0D30\u0D32\u0D35]")  ; YA, RA, LA, VA
	   ("v" . "[\u0D3E-\u0D4C\u0D57\u0D62-\u0D63]")	; postbase matra
	   ("H" . "\u0D4D")			  ; SIGN VIRAMA
	   ("N" . "\u200C")			  ; ZWNJ
	   ("J" . "\u200D")			  ; ZWJ
	   ("X" . "[\u0D00-\u0D7F]"))))		  ; all coverage
    (indian-compose-regexp
     (concat
      ;; consonant-based syllables, or
      "C\\(?:J?HJ?C\\)*\\(?:H[NJ]?\\|v?A?\\)\\|"
      ;; syllables with an independent vowel, or
      "V\\(?:J?HY\\)?v*?A?\\|"
      ;; special consonant form, or
      "JHY\\|"
      ;; any other singleton characters
      "X")
     table))
  "Regexp matching a composable sequence of Malayalam characters.")

(let ((script-regexp-alist
       `((devanagari . ,devanagari-composable-pattern)
	 (bengali . ,bengali-composable-pattern)
	 (gurmukhi . ,gurmukhi-composable-pattern)
	 (gujarati . ,gujarati-composable-pattern)
	 (oriya . ,oriya-composable-pattern)
	 (tamil . ,tamil-composable-pattern)
	 (telugu . ,telugu-composable-pattern)
	 (kannada . ,kannada-composable-pattern)
	 (malayalam . ,malayalam-composable-pattern))))
  (map-char-table
   #'(lambda (key val)
       (let ((slot (assq val script-regexp-alist)))
	 (if slot
	     (set-char-table-range
	      composition-function-table key
	      (list (vector (cdr slot) 0 'font-shape-gstring))))))
   char-script-table))

(provide 'indian)

;;; indian.el ends here
Commit	Line	Data
cdbe6a03	1	;;; indian.el --- Indian languages support -- coding: utf-8; --
4ed46869	2
ab422c4d	3	;; Copyright (C) 1997, 1999, 2001-2013 Free Software Foundation, Inc.
5df4f04c	4	;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
eaa61218 KH	5	;; National Institute of Advanced Industrial Science and Technology (AIST)
eaa61218 KH	6	;; Registration Number H14PRO021
4ed46869	7
cdbe6a03 KH	8	;; Maintainer: Kenichi Handa <handa@m17n.org>
cdbe6a03 KH	9	;; KAWABATA, Taichi <kawabata@m17n.org>
51896ebc	10	;; Keywords: multilingual, i18n, Indian
4ed46869 KH	11
	12	;; This file is part of GNU Emacs.
	13
4936186e	14	;; GNU Emacs is free software: you can redistribute it and/or modify
4ed46869	15	;; it under the terms of the GNU General Public License as published by
4936186e GM	16	;; the Free Software Foundation, either version 3 of the License, or
4936186e GM	17	;; (at your option) any later version.
4ed46869 KH	18
	19	;; GNU Emacs is distributed in the hope that it will be useful,
	20	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	21	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	22	;; GNU General Public License for more details.
	23
	24	;; You should have received a copy of the GNU General Public License
4936186e	25	;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
4ed46869 KH	26
	27	;;; Commentary:
	28
cdbe6a03 KH	29	;; This file contains definitions of Indian language environments, and
cdbe6a03 KH	30	;; setups for displaying the scrtipts used there.
4ed46869 KH	31
	32	;;; Code:
	33
e1915ab3 KH	34	(define-coding-system 'in-is13194-devanagari
	35	"8-bit encoding for ASCII (MSB=0) and IS13194-Devanagari (MSB=1)."
	36	:coding-type 'iso-2022
	37	:mnemonic ?D
	38	:designation [ascii indian-is13194 nil nil]
	39	:charset-list '(ascii indian-is13194)
5e145d59 KH	40	:post-read-conversion 'in-is13194-post-read-conversion
5e145d59 KH	41	:pre-write-conversion 'in-is13194-pre-write-conversion)
e1915ab3 KH	42
e1915ab3 KH	43	(define-coding-system-alias 'devanagari 'in-is13194-devanagari)
8805e649	44
cdbe6a03 KH	45	(set-language-info-alist
	46	"Devanagari" '((charset unicode)
	47	(coding-system utf-8)
	48	(coding-priority utf-8)
7019c177	49	(input-method . "devanagari-aiba")
cdbe6a03 KH	50	(documentation . "\
	51	Such languages using Devanagari script as Hindi and Marathi
	52	are supported in this language environment."))
	53	'("Indian"))
	54
	55	(set-language-info-alist
	56	"Bengali" '((charset unicode)
	57	(coding-system utf-8)
	58	(coding-priority utf-8)
	59	(input-method . "bengali-itrans")
	60	(documentation . "\
	61	Such languages using Bengali script as Bengali and Assamese
	62	are supported in this language environment."))
	63	'("Indian"))
	64
	65	(set-language-info-alist
	66	"Punjabi" '((charset unicode)
	67	(coding-system utf-8)
	68	(coding-priority utf-8)
	69	(input-method . "punjabi-itrans")
	70	(documentation . "\
	71	North Indian language Punjabi is supported in this language environment."))
	72	'("Indian"))
	73
	74	(set-language-info-alist
	75	"Gujarati" '((charset unicode)
	76	(coding-system utf-8)
	77	(coding-priority utf-8)
	78	(input-method . "gujarati-itrans")
	79	(documentation . "\
	80	North Indian language Gujarati is supported in this language environment."))
	81	'("Indian"))
	82
	83	(set-language-info-alist
	84	"Oriya" '((charset unicode)
	85	(coding-system utf-8)
	86	(coding-priority utf-8)
	87	(input-method . "oriya-itrans")
	88	(documentation . "\
	89	Such languages using Oriya script as Oriya, Khonti, and Santali
	90	are supported in this language environment."))
	91	'("Indian"))
	92
	93	(set-language-info-alist
	94	"Tamil" '((charset unicode)
	95	(coding-system utf-8)
	96	(coding-priority utf-8)
	97	(input-method . "tamil-itrans")
	98	(documentation . "\
	99	South Indian Language Tamil is supported in this language environment."))
	100	'("Indian"))
	101
	102	(set-language-info-alist
	103	"Telugu" '((charset unicode)
	104	(coding-system utf-8)
	105	(coding-priority utf-8)
	106	(input-method . "telugu-itrans")
	107	(documentation . "\
	108	South Indian Language Telugu is supported in this language environment."))
	109	'("Indian"))
	110
	111	(set-language-info-alist
	112	"Kannada" '((charset unicode)
	113	(coding-system mule-utf-8)
114	(coding-priority mule-utf-8)
115	(input-method . "kannada-itrans")
116	(sample-text . "Kannada (ಕನ್ನಡ) ನಮಸ್ಕಾರ")
117	(documentation . "\
118	Kannada language and script is supported in this language
119	environment."))
120	'("Indian"))
121
122	(set-language-info-alist
123	"Malayalam" '((charset unicode)
124	(coding-system utf-8)
125	(coding-priority utf-8)
126	(input-method . "malayalam-itrans")
127	(documentation . "\
128	South Indian language Malayalam is supported in this language environment."))
129	'("Indian"))
098d86d5	130
3ff3655c KH	131	;; Replace mnemonic characters in REGEXP according to TABLE. TABLE is
	132	;; an alist of (MNEMONIC-STRING . REPLACEMENT-STRING).
	133
	134	(defun indian-compose-regexp (regexp table)
	135	(let ((case-fold-search nil))
	136	(dolist (elt table)
	137	(setq regexp (replace-regexp-in-string (car elt) (cdr elt) regexp t t)))
	138	regexp))
	139
ef19e2f3	140	(defconst devanagari-composable-pattern
f758cd2a	141	(let ((table
42763dda KH	142	'(("a" . "[\u0900-\u0902]") ; vowel modifier (above)
	143	("A" . "\u0903") ; vowel modifier (post)
	144	("V" . "[\u0904-\u0914\u0960-\u0961\u0972]") ; independent vowel
	145	("C" . "[\u0915-\u0939\u0958-\u095F\u0979-\u097F]") ; consonant
	146	("R" . "\u0930") ; RA
	147	("n" . "\u093C") ; NUKTA
	148	("v" . "[\u093E-\u094C\u094E\u0955\u0962-\u0963]") ; vowel sign
	149	("H" . "\u094D") ; HALANT
	150	("s" . "[\u0951-\u0952]") ; stress sign
	151	("t" . "[\u0953-\u0954]") ; accent
	152	("N" . "\u200C") ; ZWNJ
	153	("J" . "\u200D") ; ZWJ
	154	("X" . "[\u0900-\u097F]")))) ; all coverage
f758cd2a KH	155	(indian-compose-regexp
	156	(concat
	157	;; syllables with an independent vowel, or
42763dda	158	"\\(?:RH\\)?Vn?\\(?:J?HR\\)?v*n?a?s?t?A?\\\|"
f758cd2a	159	;; consonant-based syllables, or
42763dda	160	"Cn?\\(?:J?HJ?Cn?\\)\\(?:H[NJ]?\\\|vn?a?s?t?A?\\)\\\|"
f758cd2a KH	161	;; special consonant form, or
	162	"JHR\\\|"
	163	;; any other singleton characters
	164	"X")
	165	table))
ef19e2f3 KH	166	"Regexp matching a composable sequence of Devanagari characters.")
ef19e2f3 KH	167
42763dda KH	168	(defconst bengali-composable-pattern
	169	(let ((table
	170	'(("a" . "\u0981") ; SIGN CANDRABINDU
	171	("A" . "[\u0982-\u0983]") ; SIGN ANUSVARA .. VISARGA
	172	("V" . "[\u0985-\u0994\u09E0-\u09E1]") ; independent vowel
	173	("C" . "[\u0995-\u09B9\u09DC-\u09DF\u09F1]") ; consonant
	174	("B" . "[\u09AC\u09AF-\u09B0\u09F0]") ; BA, YA, RA
	175	("R" . "[\u09B0\u09F0]") ; RA
	176	("n" . "\u09BC") ; NUKTA
	177	("v" . "[\u09BE-\u09CC\u09D7\u09E2-\u09E3]") ; vowel sign
	178	("H" . "\u09CD") ; HALANT
	179	("T" . "\u09CE") ; KHANDA TA
	180	("N" . "\u200C") ; ZWNJ
	181	("J" . "\u200D") ; ZWJ
	182	("X" . "[\u0980-\u09FF]")))) ; all coverage
	183	(indian-compose-regexp
	184	(concat
	185	;; syllables with an independent vowel, or
	186	"\\(?:RH\\)?Vn?\\(?:J?HB\\)?v*n?a?A?\\\|"
	187	;; consonant-based syllables, or
	188	"Cn?\\(?:J?HJ?Cn?\\)\\(?:H[NJ]?\\\|v[NJ]?v?a?A?\\)\\\|"
	189	;; another syllables with an independent vowel, or
	190	"\\(?:RH\\)?T\\\|"
	191	;; special consonant form, or
	192	"JHB\\\|"
	193	;; any other singleton characters
	194	"X")
	195	table))
	196	"Regexp matching a composable sequence of Bengali characters.")
	197
	198	(defconst gurmukhi-composable-pattern
	199	(let ((table
ece33a6e KH	200	'(("a" . "[\u0A01-\u0A02\u0A70]") ; SIGN ADAK BINDI .. BINDI, TIPPI
ece33a6e KH	201	("A" . "\u0A03") ; SIGN VISARGA
42763dda KH	202	("V" . "[\u0A05-\u0A14]") ; independent vowel
42763dda KH	203	("C" . "[\u0A15-\u0A39\u0A59-\u0A5E]") ; consonant
ece33a6e	204	("Y" . "[\u0A2F-u0A30\u0A35\u0A39]") ; YA, RA, VA, HA
42763dda KH	205	("n" . "\u0A3C") ; NUKTA
	206	("v" . "[\u0A3E-\u0A4C]") ; vowel sign
	207	("H" . "\u0A4D") ; VIRAMA
42763dda KH	208	("N" . "\u200C") ; ZWNJ
	209	("J" . "\u200D") ; ZWJ
	210	("X" . "[\u0A00-\u0A7F]")))) ; all coverage
	211	(indian-compose-regexp
	212	(concat
	213	;; consonant-based syllables, or
	214	"Cn?\\(?:J?HJ?Cn?\\)\\(?:H[NJ]?\\\|vn?a?A?\\)\\\|"
	215	;; syllables with an independent vowel, or
	216	"Vn?\\(?:J?HY\\)?v*n?a?A?\\\|"
	217	;; special consonant form, or
	218	"JHY\\\|"
	219	;; any other singleton characters
	220	"X")
	221	table))
	222	"Regexp matching a composable sequence of Gurmukhi characters.")
	223
	224	(defconst gujarati-composable-pattern
	225	(let ((table
	226	'(("a" . "[\u0A81-\u0A82]") ; SIGN CANDRABINDU .. ANUSVARA
b106e264	227	("A" . "\u0A83") ; SIGN VISARGA
42763dda KH	228	("V" . "[\u0A85-\u0A94\u0AE0-\u0AE1]") ; independent vowel
	229	("C" . "[\u0A95-\u0AB9]") ; consonant
	230	("R" . "\u0AB0") ; RA
	231	("n" . "\u0ABC") ; NUKTA
	232	("v" . "[\u0ABE-\u0ACC\u0AE2-\u0AE3]") ; vowel sign
	233	("H" . "\u0ACD") ; VIRAMA
	234	("N" . "\u200C") ; ZWNJ
	235	("J" . "\u200D") ; ZWJ
	236	("X" . "[\u0A80-\u0AFF]")))) ; all coverage
	237	(indian-compose-regexp
	238	(concat
	239	;; syllables with an independent vowel, or
	240	"\\(?:RH\\)?Vn?\\(?:J?HR\\)?v*n?a?A?\\\|"
	241	;; consonant-based syllables, or
86a366f4	242	"Cn?\\(?:J?HJ?Cn?\\)\\(?:H[NJ]?\\\|vn?a?A?\\)\\\|"
42763dda KH	243	;; special consonant form, or
	244	"JHR\\\|"
	245	;; any other singleton characters
	246	"X")
	247	table))
	248	"Regexp matching a composable sequence of Gujarati characters.")
	249
	250	(defconst oriya-composable-pattern
	251	(let ((table
	252	'(("a" . "\u0B01") ; SIGN CANDRABINDU
	253	("A" . "[\u0B02-\u0B03]") ; SIGN ANUSVARA .. VISARGA
	254	("V" . "[\u0B05-\u0B14\u0B60-\u0B61]") ; independent vowel
	255	("C" . "[\u0B15-\u0B39\u0B5C-\u0B5D\u0B71]") ; consonant
	256	("B" . "[\u0B15-\u0B17\u0B1B-\u0B1D\u0B1F-\u0B21\u0B23-\u0B24\u0B27-\u0B30\u0B32-\u0B35\u0B38-\u0B39]") ; consonant with below form
86a366f4	257	("R" . "\u0B30") ; RA
42763dda	258	("n" . "\u0B3C") ; NUKTA
771533aa	259	("v" . "[\u0B3E-\u0B4C\u0B56-\u0B57\u0B62-\u0B63]") ; vowel sign
42763dda KH	260	("H" . "\u0B4D") ; VIRAMA
	261	("N" . "\u200C") ; ZWNJ
	262	("J" . "\u200D") ; ZWJ
	263	("X" . "[\u0B00-\u0B7F]")))) ; all coverage
	264	(indian-compose-regexp
	265	(concat
	266	;; syllables with an independent vowel, or
	267	"\\(?:RH\\)?Vn?\\(?:J?HB\\)?v*n?a?A?\\\|"
	268	;; consonant-based syllables, or
86a366f4	269	"Cn?\\(?:J?HJ?Cn?\\)\\(?:H[NJ]?\\\|vn?a?A?\\)\\\|"
42763dda KH	270	;; special consonant form, or
	271	"JHB\\\|"
	272	;; any other singleton characters
	273	"X")
	274	table))
	275	"Regexp matching a composable sequence of Oriya characters.")
	276
ef19e2f3	277	(defconst tamil-composable-pattern
42763dda KH	278	(let ((table
	279	'(("a" . "\u0B82") ; SIGN ANUSVARA
	280	("V" . "[\u0B85-\u0B94]") ; independent vowel
	281	("C" . "[\u0B95-\u0BB9]") ; consonant
771533aa	282	("v" . "[\u0BBE-\u0BCC\u0BD7]") ; vowel sign
42763dda KH	283	("H" . "\u0BCD") ; VIRAMA
	284	("N" . "\u200C") ; ZWNJ
	285	("J" . "\u200D") ; ZWJ
	286	("X" . "[\u0B80-\u0BFF]")))) ; all coverage
	287	(indian-compose-regexp
	288	(concat
	289	;; consonant-based syllables, or
86a366f4	290	"C\\(?:J?HJ?C\\)\\(?:H[NJ]?\\\|va?\\)\\\|"
42763dda KH	291	;; syllables with an independent vowel, or
	292	"Vv*a?\\\|"
	293	;; any other singleton characters
	294	"X")
	295	table))
ef19e2f3 KH	296	"Regexp matching a composable sequence of Tamil characters.")
ef19e2f3 KH	297
42763dda KH	298	(defconst telugu-composable-pattern
	299	(let ((table
	300	'(("a" . "[\u0C01-\u0C03]") ; SIGN CANDRABINDU .. VISARGA
	301	("V" . "[\u0C05-\u0C14\u0C60-\u0C61]") ; independent vowel
	302	("C" . "[\u0C15-\u0C39\u0C58-\u0C59]") ; consonant
	303	("v" . "[\u0C3E-\u0C4C\u0C55-\u0C56\u0C62-\u0C63]") ; vowel sign
86a366f4	304	("H" . "\u0C4D") ; VIRAMA
42763dda KH	305	("N" . "\u200C") ; ZWNJ
	306	("J" . "\u200D") ; ZWJ
	307	("X" . "[\u0C00-\u0C7F]")))) ; all coverage
	308	(indian-compose-regexp
	309	(concat
	310	;; consonant-based syllables, or
86a366f4	311	"C\\(?:J?HJ?C\\)\\(?:H[NJ]?\\\|va?\\)\\\|"
42763dda KH	312	;; syllables with an independent vowel, or
	313	"V\\(?:J?HC\\)?v*a?\\\|"
	314	;; special consonant form, or
	315	"JHC\\\|"
	316	;; any other singleton characters
	317	"X")
	318	table))
	319	"Regexp matching a composable sequence of Telugu characters.")
	320
ef19e2f3	321	(defconst kannada-composable-pattern
42763dda KH	322	(let ((table
	323	'(("A" . "[\u0C82-\u0C83]") ; SIGN ANUSVARA .. VISARGA
	324	("V" . "[\u0C85-\u0C94\u0CE0-\u0CE1]") ; independent vowel
	325	("C" . "[\u0C95-\u0CB9\u0CDE]") ; consonant
86a366f4	326	("R" . "\u0CB0") ; RA
42763dda KH	327	("n" . "\u0CBC") ; NUKTA
	328	("v" . "[\u0CBE-\u0CCC\u0CD5-\u0CD6\u0CE2-\u0CE3]") ; vowel sign
	329	("H" . "\u0CCD") ; VIRAMA
	330	("N" . "\u200C") ; ZWNJ
	331	("J" . "\u200D") ; ZWJ
	332	("X" . "[\u0C80-\u0CFF]")))) ; all coverage
	333	(indian-compose-regexp
	334	(concat
	335	;; syllables with an independent vowel, or
	336	"\\(?:RH\\)?Vn?\\(?:J?HC\\)?v?A?\\\|"
	337	;; consonant-based syllables, or
86a366f4	338	"Cn?\\(?:J?HJ?Cn?\\)\\(?:H[NJ]?\\\|vn?A?\\)\\\|"
42763dda	339	;; special consonant form, or
86a366f4	340	"JHC\\\|"
42763dda KH	341	;; any other singleton characters
	342	"X")
	343	table))
ef19e2f3 KH	344	"Regexp matching a composable sequence of Kannada characters.")
	345
	346	(defconst malayalam-composable-pattern
f758cd2a	347	(let ((table
42763dda KH	348	'(("A" . "[\u0D02-\u0D03]") ; SIGN ANUSVARA .. VISARGA
42763dda KH	349	("V" . "[\u0D05-\u0D14\u0D60-\u0D61]") ; independent vowel
f758cd2a	350	("C" . "[\u0D15-\u0D39]") ; consonant
42763dda	351	("Y" . "[\u0D2F-\u0D30\u0D32\u0D35]") ; YA, RA, LA, VA
771533aa	352	("v" . "[\u0D3E-\u0D4C\u0D57\u0D62-\u0D63]") ; postbase matra
86a366f4	353	("H" . "\u0D4D") ; SIGN VIRAMA
69db641d KH	354	("N" . "\u200C") ; ZWNJ
69db641d KH	355	("J" . "\u200D") ; ZWJ
f758cd2a	356	("X" . "[\u0D00-\u0D7F]")))) ; all coverage
3ff3655c KH	357	(indian-compose-regexp
3ff3655c KH	358	(concat
f758cd2a	359	;; consonant-based syllables, or
86a366f4	360	"C\\(?:J?HJ?C\\)*\\(?:H[NJ]?\\\|v?A?\\)\\\|"
42763dda KH	361	;; syllables with an independent vowel, or
42763dda KH	362	"V\\(?:J?HY\\)?v*?A?\\\|"
f758cd2a	363	;; special consonant form, or
42763dda	364	"JHY\\\|"
3ff3655c KH	365	;; any other singleton characters
	366	"X")
	367	table))
ef19e2f3 KH	368	"Regexp matching a composable sequence of Malayalam characters.")
ef19e2f3 KH	369
9b87bff0	370	(let ((script-regexp-alist
f758cd2a	371	`((devanagari . ,devanagari-composable-pattern)
42763dda KH	372	(bengali . ,bengali-composable-pattern)
	373	(gurmukhi . ,gurmukhi-composable-pattern)
	374	(gujarati . ,gujarati-composable-pattern)
	375	(oriya . ,oriya-composable-pattern)
	376	(tamil . ,tamil-composable-pattern)
	377	(telugu . ,telugu-composable-pattern)
	378	(kannada . ,kannada-composable-pattern)
3ff3655c	379	(malayalam . ,malayalam-composable-pattern))))
ef19e2f3 KH	380	(map-char-table
	381	#'(lambda (key val)
	382	(let ((slot (assq val script-regexp-alist)))
	383	(if slot
	384	(set-char-table-range
	385	composition-function-table key
	386	(list (vector (cdr slot) 0 'font-shape-gstring))))))
	387	char-script-table))
9b87bff0	388
41da80b1	389	(provide 'indian)
1bec6fdb	390
4ed46869	391	;;; indian.el ends here