1/*
2 * Copyright (C) 2007 Apple Computer, Inc.
3 *
4 * Portions are Copyright (C) 1998 Netscape Communications Corporation.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
19 *
20 * Alternatively, the contents of this file may be used under the terms
21 * of either the Mozilla Public License Version 1.1, found at
22 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
23 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
24 * (the "GPL"), in which case the provisions of the MPL or the GPL are
25 * applicable instead of those above.  If you wish to allow use of your
26 * version of this file only under the terms of one of those two
27 * licenses (the MPL or the GPL) and not to allow others to use your
28 * version of this file under the LGPL, indicate your decision by
29 * deletingthe provisions above and replace them with the notice and
30 * other provisions required by the MPL or the GPL, as the case may be.
31 * If you do not delete the provisions above, a recipient may use your
32 * version of this file under any of the LGPL, the MPL or the GPL.
33 */
34
35#ifndef UnicodeRange_h
36#define UnicodeRange_h
37
38#include "platform/PlatformExport.h"
39#include "wtf/unicode/Unicode.h"
40
41namespace blink {
42
43// The following constants define unicode subranges
44// values below cRangeNum must be continuous so that we can map to
45// a lang group directly.
46// All ranges we care about should fit within 32 bits.
47
48// Frequently used range definitions
49const unsigned char   cRangeCyrillic =    0;
50const unsigned char   cRangeGreek    =    1;
51const unsigned char   cRangeTurkish  =    2;
52const unsigned char   cRangeHebrew   =    3;
53const unsigned char   cRangeArabic   =    4;
54const unsigned char   cRangeBaltic   =    5;
55const unsigned char   cRangeThai     =    6;
56const unsigned char   cRangeKorean   =    7;
57const unsigned char   cRangeJapanese =    8;
58const unsigned char   cRangeSChinese =    9;
59const unsigned char   cRangeTChinese =   10;
60const unsigned char   cRangeDevanagari = 11;
61const unsigned char   cRangeTamil    =   12;
62const unsigned char   cRangeArmenian =   13;
63const unsigned char   cRangeBengali  =   14;
64const unsigned char   cRangeCanadian =   15;
65const unsigned char   cRangeEthiopic =   16;
66const unsigned char   cRangeGeorgian =   17;
67const unsigned char   cRangeGujarati =   18;
68const unsigned char   cRangeGurmukhi =   19;
69const unsigned char   cRangeKhmer    =   20;
70const unsigned char   cRangeMalayalam =  21;
71
72const unsigned char   cRangeSpecificItemNum = 22;
73
74// range/rangeSet grow to this place 22-29
75
76const unsigned char   cRangeSetStart  =  30; // range set definition starts from here
77const unsigned char   cRangeSetLatin  =  30;
78const unsigned char   cRangeSetCJK    =  31;
79const unsigned char   cRangeSetEnd    =  31; // range set definition ends here
80
81// less frequently used range definition
82const unsigned char   cRangeSurrogate            = 32;
83const unsigned char   cRangePrivate              = 33;
84const unsigned char   cRangeMisc                 = 34;
85const unsigned char   cRangeUnassigned           = 35;
86const unsigned char   cRangeSyriac               = 36;
87const unsigned char   cRangeThaana               = 37;
88const unsigned char   cRangeOriya                = 38;
89const unsigned char   cRangeTelugu               = 39;
90const unsigned char   cRangeKannada              = 40;
91const unsigned char   cRangeSinhala              = 41;
92const unsigned char   cRangeLao                  = 42;
93const unsigned char   cRangeTibetan              = 43;
94const unsigned char   cRangeMyanmar              = 44;
95const unsigned char   cRangeCherokee             = 45;
96const unsigned char   cRangeOghamRunic           = 46;
97const unsigned char   cRangeMongolian            = 47;
98const unsigned char   cRangeMathOperators        = 48;
99const unsigned char   cRangeMiscTechnical        = 49;
100const unsigned char   cRangeControlOpticalEnclose = 50;
101const unsigned char   cRangeBoxBlockGeometrics   = 51;
102const unsigned char   cRangeMiscSymbols          = 52;
103const unsigned char   cRangeDingbats             = 53;
104const unsigned char   cRangeBraillePattern       = 54;
105const unsigned char   cRangeYi                   = 55;
106const unsigned char   cRangeCombiningDiacriticalMarks = 56;
107const unsigned char   cRangeSpecials             = 57;
108
109const unsigned char   cRangeTableBase   = 128; // values over 127 are reserved for internal use only
110const unsigned char   cRangeTertiaryTable  = 145; // leave room for 16 subtable indices (cRangeTableBase + 1 .. cRangeTableBase + 16)
111
112
113
114PLATFORM_EXPORT unsigned findCharUnicodeRange(UChar32);
115PLATFORM_EXPORT const char* langGroupFromUnicodeRange(unsigned char unicodeRange);
116
117}
118
119#endif // UnicodeRange_h
120