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/*
Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org>
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
aint with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef T2P_TQT_UNICODE_H
#define T2P_TQT_UNICODE_H
namespace T2P
{
enum Script
{
// European Alphabetic Scripts
Latin,
Greek,
Cyrillic,
Armenian,
Georgian,
Runic,
Ogham,
SpacingModifiers,
CombiningMarks,
// Middle Eastern Scripts
Hebrew,
Arabic,
Syriac,
Thaana,
// South and Southeast Asian Scripts
Devanagari,
Bengali,
Gurmukhi,
Gujarati,
Oriya,
Tamil,
Telugu,
Kannada,
Malayalam,
Sinhala,
Thai,
Lao,
Tibetan,
Myanmar,
Khmer,
// East Asian Scripts
Han,
Hiragana,
Katakana,
Hangul,
Bopomofo,
Yi,
// Additional Scripts
Ethiopic,
Cherokee,
CanadianAboriginal,
Mongolian,
// Symbols
CurrencySymbols,
LetterlikeSymbols,
NumberForms,
MathematicalOperators,
TechnicalSymbols,
GeometricSymbols,
MiscellaneousSymbols,
EnclosedAndSquare,
Braille,
Unicode,
// some scripts added in Unicode 3.2
Tagalog,
Hanunoo,
Buhid,
Tagbanwa,
KatakanaHalfWidth,
// End
NScripts,
UnknownScript = NScripts
};
class QtUnicode
{
public:
QtUnicode() { }
~QtUnicode() { }
static int scriptForChar(unsigned short uc)
{
unsigned char script = QtUnicode::scriptTable[(uc >> 8)];
if(script >= QtUnicode::SCRIPTS_INDIC)
{
if(script == QtUnicode::SCRIPTS_INDIC)
script = QtUnicode::indicScripts[(uc - 0x0900) >> 7];
else
{
// 0x80 + SCRIPTS_xx
unsigned char index = script - 0x80;
unsigned char cell = uc & 0xff;
while(QtUnicode::otherScripts[index++] < cell)
index++;
script = QtUnicode::otherScripts[index];
}
}
return script;
}
private:
enum
{
SCRIPTS_INDIC = 0x7e
};
static const unsigned char otherScripts[];
static const unsigned char indicScripts[];
static const unsigned char scriptTable[];
};
}
#define SCRIPT_FOR_CHAR(script, c) \
if(c < 0x100) \
script = T2P::Latin; \
else \
script = (T2P::Script) QtUnicode::scriptForChar(c);
#endif
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