1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
Copyright (C) 2003 Nikolas Zimmermann <[email protected]>
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
|