| Current Path : /usr/share/m17n/ |
Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //usr/share/m17n/GUJR-OTF.flt |
;; GUJR-OTF.flt -- Font Layout Table for Gujarati OpenType fonts
;; Copyright (C) 2004, 2007, 2010 AIST (H15PRO112)
;; See the end for copying conditions.
(font layouter gujr-otf nil
(version "1.6.0")
(font (nil nil unicode-bmp :otf=gujr)))
;;; <li> GUJR-OTF.flt
;;;
;;; For Gujarati OpenType fonts to draw the Gujarati script.
(category
;; X: generic
;; V: independent vowel
;; C: consonant
;; R: RA
;; n: NUKTA
;; H: HALANT
;; m: vowel sign (pre)
;; u: vowel sign (above)
;; b: vowel sign (below)
;; p: vowel sign (post)
;; a: vowel modifier (above)
;; A: vowel modifier (post)
;; N: ZWNJ
;; J: ZWJ
(0x0A80 0x0AFF ?X) ; generic
(0x0A81 0x0A82 ?a) ; SIGN CANDRABINDU .. ANUSVARA
(0x0A83 ?A) ; SIGN VISARGA
(0x0A85 0x0A94 ?V) ; LETTER A .. AU
(0x0A95 0x0AB9 ?C) ; LETTER KA .. HA
(0x0AB0 ?R) ; LETTER RA
(0x0ABC ?n) ; SIGN NUKTA
(0x0ABE ?p) ; VOWEL SIGN AA
(0x0ABF ?m) ; VOWEL SIGN I
(0x0AC0 ?p) ; VOWEL SIGN II
(0x0AC1 0x0AC4 ?b) ; VOWEL SIGN UU .. VOCALIC RR
(0x0AC5 0x0AC8 ?u) ; VOWEL SIGN CANDRA E .. AI
(0x0AC9 0x0ACC ?p) ; VOWEL SIGN CANDRA O .. AU
(0x0ACD ?H) ; SIGN VIRAMA
(0x0AE0 0x0AE1 ?V) ; LETTER VOCALIC RR .. VOCALIC LL
(0x0AE2 0x0AE3 ?b) ; VOWEL SIGN VOCALIC L .. VOCALIC LL
(0x200C ?N) ; ZWNJ
(0x200D ?J) ; ZWJ
(0x25CC ?X) ; DOTTED CIRCLE
(rphf ?r)
)
;; Stage 0
;; Syllable identification
(generator
(0
(cond
;; Syllables with an independent vowel
("(RH)?(Vn?)((J?HR)?m?u?b?p?n?a?A?)"
< | (1 = =) (2 :otf=gujr=nukt+) (3 = *) | >)
;; Consonant-based syllables
;;1 23 4
("([CR]n?((J?H|HJ?)[CR]n?)*)(H[NJ]?|m?u?b?p?n?a?A?)"
< |
(cond
(".+HJ$" :otf=gujr=nukt,akhn+)
("(.+)(H)N?$" (1 :otf=gujr=nukt,akhn+) (2 =) 0x200C)
(".+" :otf=gujr=nukt,akhn+))
| >)
;; Combining marks are displayed with a DOTTED CIRCLE.
("m"
(cond
((font-facility 0x25CC) < = 0x25CC >)
("." [ = ])))
("[nHubpaA]"
(cond
((font-facility 0x25CC) < 0x25CC = >)
("." [ = ])))
;; Isolated blwf is displayed with a DOTTED CIRCLE in the next stage.
("(J)(H)(R)"
< | (1 =) (3 =) (2 =) | >)
("." =))
*))
;; Stage 1
;; Reorder halant for blwf
(generator
(0
(cond
;; Isolated blwf
(" J(RH) "
(cond
((font-facility 0x25CC) < 0x25CC :otf=gujr=blwf+ >)
(" J(RH) " [ (1 :otf=gujr=blwf+) ])))
;; Syllables with an overt halant
(" (RHJ?)?([^ ]+)(HN) "
| (1 = *) (2 reorder) (3 = =) |)
;; Ordinary syllables
(" (RHJ?)?([^mubpaA ]+)(m?u?b?p?n?a?A?) "
| (1 = *) (2 reorder) (3 = *) |)
("." =))
*)
;; In Devanagari and Gujarati, vattu has a half form. Thus we handle
;; the sequence CHRHC as (CH)half + (RH)blwf + C instead of
;; reordering and interpreting it as C + (RH)blwf + H + C.
(reorder
(cond
("(.+)(H)(R)$" (1 = *) (3 =) (2 =))
(".+" = *)))
)
;; Stage 2
;; Language forms and matra reordering
(generator
(0
(cond
;; Overt halant forms
(" (RHJ?)?([^ ]+)(HN) "
|
(1 (cond ("RHJ" :otf=gujr=half+)
("RH" :otf=gujr=rphf+)))
(2 (cond ("(.H)J?(.*)" (1 :otf=gujr=half+) (2 lang-forms *))
(".+" lang-forms *)))
(3 = =) |)
;; Other syllables
;; 1 2 3 4 5 6
(" (RHJ?)?([^mubpaA ]*)(mn?)?(un?)?(bn?)?(p?n?a?A?) "
| (3 = *)
(1 (cond ("RHJ" :otf=gujr=half+)
("RH" :otf=gujr=rphf+)))
(2 (cond ("(.H)J?(.*)" (1 :otf=gujr=half+) (2 lang-forms *))
(".+" lang-forms *)))
(5 = *) (4 = *) (6 = *) |)
("." =))
*)
(lang-forms
(cond
("(.H)J" (1 :otf=gujr=half+))
(".H" :otf=gujr=blwf,half+)
("." =)))
)
;; Stage 3
;; Final reordering #1 (Move pre-base matra after the last halant)
(generator
(0
(cond
;; 1 2 3
(" (mn?)([^ ]+HJ?)([^H ]+) "
| (2 = *) (1 = *) (3 = *) |)
("." =))
*))
;; Stage 4
;; Final reordering #2 (Move reph after the first halant)
(generator
(0
(cond
;; Syllables with a reph and an explicit halant
;; 1 2 3 4
(" (mn?)?(r)([^H ]+HJ?)([^ ]*) "
| (1 = *) (3 = *) (2 =) (4 = *) |)
;; A reph without explicit halant
;; 1 2 3 4
(" (mn?)?(r)([^aA ]+)(a?A?) "
| (1 = *) (3 = *) (2 =) (4 = *) |)
("." =))
*))
;; Stage 5
;; Nukta for matra, vattu and presentation forms
(generator
(0
(cond
(" ([^ ]+) "
| (1 :otf=gujr=nukt,vatu,pres,abvs,blws,psts,haln+) |)
("." =))
*))
;; Stage 6
;; Remove ZWNJ/ZWJ
(generator
(0
(cond
("[NJ]")
("." =))
*))
;; Stage 7
;; GPOS processing
(generator
(0
(cond
(" ([^ ]+) "
(1 :otf=gujr=+abvm,blwm,dist))
("." =))
*))
;; Copyright (C) 2004, 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: