lisp/language/burmese.el

   1 ;;; burmese.el --- support for Burmese -*- coding: utf-8 -*-
   2
   3 ;; Copyright (C) 2008, 2009, 2010, 2011
   4 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   5 ;;   Registration Number H13PRO009
   6
   7 ;; Keywords: multilingual, Burma, i18n
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25
  26 ;; Aung San Suu Kyi says to call her country "Burma".
  27 ;; The murderous generals say to call it "Myanmar".
  28 ;; We will call it "Burma". -- rms, Chief GNUisance.
  29
  30 ;;; Code:
  31
  32 (set-language-info-alist
  33  "Burmese" '((charset unicode)
  34              (coding-system utf-8)
  35              (coding-priority utf-8)
  36              (sample-text . "Burmese (မ္ရန္‌မာ) မင္‍ဂလာပာ")
  37              (documentation . t)))
  38
  39 (defvar burmese-composable-pattern
  40   (let ((table
  41          '(("K" . "[\u1004\u105A]\u103A\u1039") ; KINZI sequence
  42            ("C" . "[\u1000-\u102A\u103F\u1041-\u1049\u104E\u105A-\u105D\u1061\u1065-\u1066\u106E\u1071\u1075\u1081\u108E\uAA60-\uAA6F\uAA71-\uAA76]") ; consonant and vowel letter
  43            ("V" . "\u1039")                                        ; VIRAMA
  44            ("A" . "\u103A")                                        ; ASAT
  45            ("S" . "[\u1000-\u1019\u101C\u101E\u1020\u1021\u105A]") ; subscript
  46            ("M" . "[\u103B-\u103E\105E-\1060]") ; medial
  47            ("v" . "[\u102B-\u103A\u103C-\u103E\u1062-\u1064\u1067-\u106D\u1071-\u1074\u1082-\u108D\u108F\u109A\u109C\uAA70]"))) ; vowel sign, etc.
  48         (regexp "\\(K\\)?C\\(VS\\)?\\(VS\\)?A?M*v*"))
  49     (let ((case-fold-search nil))
  50       (dolist (elt table)
  51         (setq regexp (replace-regexp-in-string (car elt) (cdr elt)
  52                                                regexp t t))))
  53     regexp))
  54
  55 (let ((elt (list (vector burmese-composable-pattern 0 'font-shape-gstring)
  56                  (vector "." 0 'font-shape-gstring))))
  57   (set-char-table-range composition-function-table '(#x1000 . #x107F) elt)
  58   (set-char-table-range composition-function-table '(#xAA60 . #xAA7B) elt))