X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/c1473b4cfeb477ced05d457868c5e1eb97a58eb0..ef62b23df5a7007c3d8c74dbca87ba83e9da682e:/lisp/language/indian.el diff --git a/lisp/language/indian.el b/lisp/language/indian.el index 2d89faad6b..e77f745168 100644 --- a/lisp/language/indian.el +++ b/lisp/language/indian.el @@ -1,8 +1,7 @@ ;;; indian.el --- Indian languages support -*- coding: utf-8; -*- -;; Copyright (C) 1997, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 -;; Free Software Foundation, Inc. -;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 +;; Copyright (C) 1997, 1999, 2001-2012 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 @@ -47,7 +46,7 @@ "Devanagari" '((charset unicode) (coding-system utf-8) (coding-priority utf-8) - (input-method . "dev-aiba") + (input-method . "devanagari-aiba") (documentation . "\ Such languages using Devanagari script as Hindi and Marathi are supported in this language environment.")) @@ -129,25 +128,264 @@ environment.")) 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 . "[\x900-\x9FF\x200C\x200D]+") - (bengali . "[\x980-\x9FF\x200C\x200D]+") - (gurmukhi . "[\xA00-\xA7F\x200C\x200D]+") - (gujarati . "[\xA80-\xAFF\x200C\x200D]+") - (oriya . "[\xB00-\xB7F\x200C\x200D]+") - (tamil . "[\xB80-\xBFF\x200C\x200D]+") - (telugu . "[\xC00-\xC7F\x200C\x200D]+") - (kannada . "[\xC80-\xCFF\x200C\x200D]+") - (malayalam . "[\xD00-\xD7F\x200C\x200D]+")))) - (map-char-table #'(lambda (key val) - (let ((slot (assq val script-regexp-alist))) - (if slot - (set-char-table-range - composition-function-table key - (list (cons (cdr slot) 'font-shape-text)))))) - char-script-table)) + `((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) -;; arch-tag: 83aa8fc7-7ee2-4364-a6e5-498f5e3b8c2f ;;; indian.el ends here