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97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/* Pango
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* thai-charprop.h:
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*
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* Copyright (C) 1999 Red Hat Software
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* Author: Owen Taylor <otaylor@redhat.com>
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*
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* Software and Language Engineering Laboratory, NECTEC
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* Author: Theppitak Karoonboonyanan <thep@links.nectec.or.th>
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*
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* Copyright (c) 1996-2000 by Sun Microsystems, Inc.
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* Author: Chookij Vanatham <Chookij.Vanatham@Eng.Sun.COM>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __THAI_CHARPROP_H__
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#define __THAI_CHARPROP_H__
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#include <glib.h>
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#define isthai(wc) (0x0E00 <= (wc) && (wc) < 0x0E60)
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#define islao(wc) (0x0E80 <= (wc) && (wc) < 0x0EE0)
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/* ucs2tis()
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* Lao: [0x0E80..0x0EDF] -> [0x20..0x7F]
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* Thai: [0x0E00..0x0E5F] -> [0xA0..0xFF]
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*/
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#define ucs2tis(wc) (((wc) - 0x0E00 + 0x20)^0x80)
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/* Define TACTIS character classes */
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#define CTRL 0
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#define NON 1
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#define CONS 2
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#define LV 3
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#define FV1 4
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#define FV2 5
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#define FV3 6
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#define AM 7
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#define BV1 8
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#define BV2 9
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#define BD 10
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#define TONE 11
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#define AD1 12
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#define AD2 13
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#define AD3 14
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#define AD4 15
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#define AV1 16
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#define AV2 17
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#define AV3 18
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#define BCON 19
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#define _ND 0
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#define _NC 1
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#define _UC (1<<1)
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#define _BC (1<<2)
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#define _SC (1<<3)
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#define _AV (1<<4)
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#define _BV (1<<5)
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#define _TN (1<<6)
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#define _AD (1<<7)
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#define _BD (1<<8)
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#define _AM (1<<9)
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#define NoTailCons _NC
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#define UpTailCons _UC
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#define BotTailCons _BC
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#define SpltTailCons _SC
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#define Cons (NoTailCons|UpTailCons|BotTailCons|SpltTailCons)
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#define AboveVowel _AV
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#define BelowVowel _BV
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#define Tone _TN
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#define AboveDiac _AD
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#define BelowDiac _BD
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#define SaraAm _AM
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#define is_char_type(wc, mask) (thai_char_type[ucs2tis ((wc))] & (mask))
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#define TAC_char_class(wc) \
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(isthai(wc)||islao(wc) ? thai_TAC_char_class[ucs2tis (wc)] : NON)
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#define TAC_compose_input(wc1,wc2) \
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thai_TAC_compose_input[TAC_char_class(wc1)][TAC_char_class(wc2)]
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extern const gshort thai_char_type[256];
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extern const gshort thai_TAC_char_class[256];
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extern const gchar thai_TAC_compose_input[20][20];
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#endif /* __THAI_CHARPROP_H__ */
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