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;; SINH-OTF.flt -- Font Layout Table for Sinhala OpenType fonts
;; Copyright (C) 2004, 2005, 2007, 2008, 2010 AIST (H15PRO112)
;; See the end for copying conditions.

(font layouter sinh-otf nil
      (font (nil nil unicode-bmp :otf=sinh)))

;;; <li> SINH-OTF.flt
;;;
;;; For Sinhala OpenType fonts to draw Sinhala.
;;; A Font is available from <http://sinhala.sourceforge.net/files/>.

(category
 (0x0D80 0x0DFF ?x)
 (0x0D82 0x0D83 ?A)
 (0x0D85 0x0D96 ?V)
 (0x0D9A 0x0DC6 ?C)
 (0x0DCA	?H)
 (0x0DCF 0x0DD1 ?p)
 (0x0DD2 0x0DD3 ?u)
 (0x0DD4 0x0DD6 ?b)
 (0x0DD8	?p)
 (0x0DD9	?m)
 (0x0DDB	?m)
 (0x0DDF	?p)
 (0x0DF2 0x0DF3 ?p)
 (0x200D	?J)
 )

;; Stage 0
;; Preprocessing
(generator
 (0
  (cond
   ;; Decompose multi-part vowel signs.
   ((0x0DDA)	0x0DD9 0x0DCA)
   ((0x0DDC)	0x0DD9 0x0DCF)
   ((0x0DDD)	0x0DD9 0x0DCF 0x0DCA)
   ((0x0DDE)	0x0DD9 0x0DDF)
   ("." =))
  *))

;; Step 1
;; Syllable identification and matra reordering
(generator
 (0
  (cond
   ;; Consonant-based syllables
   ;;1 2      3     4
   ("(C(HJC)*)(mm?)?(u?b?p?H?A?)"
    < | (3 = *) (1 = *) (4 = *) | >)

;; Syllables with an independent vowel
   ("VA?"
    < | = * | >)

;; Combining marks are displayed with a DOTTED CIRCLE.
   ((0x0DD9 0x0DCA)
    (cond
     ((font-facility 0x25CC) < = 0x25CC = >)
     (".+" [ 0x0DDA ])))

((0x0DD9 0x0DCF 0x0DCA)
    (cond
     ((font-facility 0x25CC) < = 0x25CC = = >)
     (".+" [ 0x0DDD ])))

((0x0DD9 0x0DCF)
    (cond
     ((font-facility 0x25CC) < = 0x25CC = >)
     (".+" [ 0x0DDC ])))

((0x0DD9 0x0DDF)
    (cond
     ((font-facility 0x25CC) < = 0x25CC = >)
     (".+" [ 0x0DDE ])))

("m"
    (cond
     ((font-facility 0x25CC) < = 0x25CC >)
     ("." [ = ])))

("[AHubp]"
    (cond
     ((font-facility 0x25CC) < 0x25CC = >)
     ("." [ = ])))

("." [ = ]))
  *))

;; Step 2 : OTF substitutions.
(generator
 (0
  (cond
   (" ([^ ]+) "
    (1 :otf=sinh=akhn,vatu,liga,pres,abvs,blws,psts))
   ("." = ))
  *))

;; Copyright (C) 2004, 2005, 2007, 2010
;;   National Institute of Advanced Industrial Science and Technology (AIST)
;;   Registration Number H15PRO112

;; This file is part of the m17n database; a sub-part of the m17n
;; library.

;; The m17n library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public License
;; as published by the Free Software Foundation; either version 2.1 of
;; the License, or (at your option) any later version.

;; The m17n library 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
;; Lesser General Public License for more details.

;; You should have received a copy of the GNU Lesser General Public
;; License along with the m17n library; if not, write to the Free
;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;; Local Variables:
;; mode: emacs-lisp
;; End: