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120 lines
5.4 KiB
C++
120 lines
5.4 KiB
C++
/*
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* Copyright (C) 2007 Apple Computer, Inc.
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*
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* Portions are Copyright (C) 1998 Netscape Communications Corporation.
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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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Alternatively, the contents of this file may be used under the terms
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* of either the Mozilla Public License Version 1.1, found at
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* http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
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* License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
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* (the "GPL"), in which case the provisions of the MPL or the GPL are
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* applicable instead of those above. If you wish to allow use of your
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* version of this file only under the terms of one of those two
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* licenses (the MPL or the GPL) and not to allow others to use your
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* version of this file under the LGPL, indicate your decision by
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* deletingthe provisions above and replace them with the notice and
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* other provisions required by the MPL or the GPL, as the case may be.
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* If you do not delete the provisions above, a recipient may use your
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* version of this file under any of the LGPL, the MPL or the GPL.
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*/
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#ifndef SKY_ENGINE_PLATFORM_TEXT_UNICODERANGE_H_
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#define SKY_ENGINE_PLATFORM_TEXT_UNICODERANGE_H_
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#include "flutter/sky/engine/platform/PlatformExport.h"
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#include "flutter/sky/engine/wtf/unicode/Unicode.h"
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namespace blink {
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// The following constants define unicode subranges
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// values below cRangeNum must be continuous so that we can map to
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// a lang group directly.
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// All ranges we care about should fit within 32 bits.
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// Frequently used range definitions
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const unsigned char cRangeCyrillic = 0;
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const unsigned char cRangeGreek = 1;
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const unsigned char cRangeTurkish = 2;
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const unsigned char cRangeHebrew = 3;
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const unsigned char cRangeArabic = 4;
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const unsigned char cRangeBaltic = 5;
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const unsigned char cRangeThai = 6;
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const unsigned char cRangeKorean = 7;
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const unsigned char cRangeJapanese = 8;
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const unsigned char cRangeSChinese = 9;
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const unsigned char cRangeTChinese = 10;
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const unsigned char cRangeDevanagari = 11;
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const unsigned char cRangeTamil = 12;
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const unsigned char cRangeArmenian = 13;
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const unsigned char cRangeBengali = 14;
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const unsigned char cRangeCanadian = 15;
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const unsigned char cRangeEthiopic = 16;
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const unsigned char cRangeGeorgian = 17;
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const unsigned char cRangeGujarati = 18;
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const unsigned char cRangeGurmukhi = 19;
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const unsigned char cRangeKhmer = 20;
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const unsigned char cRangeMalayalam = 21;
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const unsigned char cRangeSpecificItemNum = 22;
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// range/rangeSet grow to this place 22-29
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const unsigned char cRangeSetStart = 30; // range set definition starts from here
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const unsigned char cRangeSetLatin = 30;
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const unsigned char cRangeSetCJK = 31;
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const unsigned char cRangeSetEnd = 31; // range set definition ends here
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// less frequently used range definition
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const unsigned char cRangeSurrogate = 32;
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const unsigned char cRangePrivate = 33;
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const unsigned char cRangeMisc = 34;
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const unsigned char cRangeUnassigned = 35;
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const unsigned char cRangeSyriac = 36;
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const unsigned char cRangeThaana = 37;
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const unsigned char cRangeOriya = 38;
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const unsigned char cRangeTelugu = 39;
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const unsigned char cRangeKannada = 40;
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const unsigned char cRangeSinhala = 41;
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const unsigned char cRangeLao = 42;
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const unsigned char cRangeTibetan = 43;
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const unsigned char cRangeMyanmar = 44;
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const unsigned char cRangeCherokee = 45;
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const unsigned char cRangeOghamRunic = 46;
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const unsigned char cRangeMongolian = 47;
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const unsigned char cRangeMathOperators = 48;
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const unsigned char cRangeMiscTechnical = 49;
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const unsigned char cRangeControlOpticalEnclose = 50;
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const unsigned char cRangeBoxBlockGeometrics = 51;
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const unsigned char cRangeMiscSymbols = 52;
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const unsigned char cRangeDingbats = 53;
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const unsigned char cRangeBraillePattern = 54;
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const unsigned char cRangeYi = 55;
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const unsigned char cRangeCombiningDiacriticalMarks = 56;
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const unsigned char cRangeSpecials = 57;
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const unsigned char cRangeTableBase = 128; // values over 127 are reserved for internal use only
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const unsigned char cRangeTertiaryTable = 145; // leave room for 16 subtable indices (cRangeTableBase + 1 .. cRangeTableBase + 16)
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PLATFORM_EXPORT unsigned findCharUnicodeRange(UChar32);
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PLATFORM_EXPORT const char* langGroupFromUnicodeRange(unsigned char unicodeRange);
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}
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#endif // SKY_ENGINE_PLATFORM_TEXT_UNICODERANGE_H_
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