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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* uuterm, Copyright (C) 2006 Rich Felker; licensed under GNU GPL v2 only */
#define R(a,b) { (a), (b)-(a) }
static const unsigned short common[][2] = {
R( 0x300, 0x341 ),
R( 0x346, 0x362 ),
R( 0x200B, 0x200F ),
R( 0x202A, 0x202E ),
R( 0x2060, 0x206F ),
R( 0x20D0, 0x20EA ),
{ 0, 0 }
};
static const unsigned short latin[][2] = {
R( 0x363, 0x36F ),
{ 0, 0 }
};
static const unsigned short greek[][2] = {
R( 0x342, 0x345 ),
{ 0, 0 }
};
static const unsigned short cyrillic[][2] = {
R( 0x483, 0x489 ),
{ 0, 0 }
};
static const unsigned short hebrew[][2] = {
R( 0x591, 0x5C4 ),
{ 0, 0 }
};
static const unsigned short arabic[][2] = {
R( 0x600, 0x603 ),
R( 0x610, 0x615 ),
R( 0x64B, 0x658 ),
R( 0x670, 0x670 ),
R( 0x6D6, 0x6ED ),
{ 0, 0 }
};
static const unsigned short syriac[][2] = {
R( 0x70F, 0x711 ),
R( 0x730, 0x74A ),
{ 0, 0 }
};
static const unsigned short thaana[][2] = {
R( 0x7A6, 0x7B0 ),
{ 0, 0 }
};
static const unsigned short devanagari[][2] = {
R( 0x901, 0x902 ),
R( 0x93C, 0x963 ),
{ 0, 0 }
};
static const unsigned short bengali[][2] = {
R( 0x981, 0x981 ),
R( 0x9BC, 0x9E3 ),
{ 0, 0 }
};
static const unsigned short gurmukhi[][2] = {
R( 0xA01, 0xA02 ),
R( 0xA3C, 0xA4D ),
R( 0xA70, 0xA71 ),
{ 0, 0 }
};
static const unsigned short gujarati[][2] = {
R( 0xA81, 0xA82 ),
R( 0xABC, 0xAE3 ),
{ 0, 0 }
};
static const unsigned short oriya[][2] = {
R( 0xB01, 0xB01 ),
R( 0xB3C, 0xB4D ),
R( 0xB56, 0xB56 ),
{ 0, 0 }
};
static const unsigned short tamil[][2] = {
R( 0xB82, 0xB82 ),
R( 0xBC0, 0xBCD ),
{ 0, 0 }
};
static const unsigned short telugu[][2] = {
R( 0xC3E, 0xC56 ),
{ 0, 0 }
};
static const unsigned short kannada[][2] = {
R( 0xCBC, 0xCCD ),
{ 0, 0 }
};
static const unsigned short malayalam[][2] = {
R( 0xD41, 0xD4D ),
{ 0, 0 }
};
static const unsigned short sinhala[][2] = {
R( 0xDCA, 0xDD6 ),
{ 0, 0 }
};
static const unsigned short thai[][2] = {
R( 0xE31, 0xE3A ),
R( 0xE47, 0xE4E ),
{ 0, 0 }
};
static const unsigned short lao[][2] = {
R( 0xEB1, 0xECD ),
{ 0, 0 }
};
static const unsigned short tibetan[][2] = {
R( 0xF18, 0xF19 ),
R( 0xF35, 0xF35 ),
R( 0xF39, 0xF39 ),
R( 0xF71, 0xF84 ),
R( 0xF90, 0xFBC ),
R( 0xFC6, 0xFC6 ),
{ 0, 0 }
};
static const unsigned short burmese[][2] = {
R( 0x102D, 0x1039 ),
R( 0x1058, 0x1059 ),
{ 0, 0 }
};
static const unsigned short misc_scripts[][2] = {
R( 0x1732, 0x1734 ), /* hanunoo */
R( 0x1752, 0x1753 ), /* buhid */
R( 0x17B4, 0x17BD ), /* khmer */
R( 0x17C6, 0x17D3 ),
R( 0x17DD, 0x17DD ),
R( 0x18A9, 0x18A9 ), /* mongolian */
R( 0x1920, 0x193B ), /* limbu (can be broken down more) */
{ 0, 0 }
};
#undef R
#define R(a,b,s) { (a), (b)-(a), (s) }
static const struct {
unsigned a, l;
const unsigned short (*r)[2];
} scripts[] = {
R( 0x400, 0x52F, cyrillic ),
R( 0x590, 0x5FF, hebrew ),
R( 0x600, 0x6FF, arabic ),
R( 0x700, 0x74F, syriac ),
R( 0x780, 0x7B1, thaana ),
R( 0x900, 0x97F, devanagari ),
R( 0x980, 0x9FF, bengali ),
R( 0xA00, 0xA7F, gurmukhi ),
R( 0xA80, 0xAFF, gujarati ),
R( 0xB00, 0xB7F, oriya ),
R( 0xB80, 0xBFF, tamil ),
R( 0xC00, 0xC7F, telugu ),
R( 0xC80, 0xCFF, kannada ),
R( 0xD00, 0xD7F, malayalam ),
R( 0xD80, 0xDFF, sinhala ),
R( 0xE00, 0xE7F, thai ),
R( 0xE80, 0xEFF, lao ),
R( 0xF00, 0xFFF, tibetan ),
R( 0x1000, 0x108F, burmese ),
R( 0x1720, 0x19FF, misc_scripts ),
R( 0x1D2B, 0x1D2B, cyrillic ),
R( 0x0000, 0x10FFFF, common ),
{ }
};
#undef R
int uu_combine_involution(unsigned b, unsigned c)
{
int i;
unsigned code = 1;
const unsigned short (*r)[2];
for (i=0; scripts[i].l; i++)
if (b - scripts[i].a <= scripts[i].l)
for (r = scripts[i].r; r[0][0]; code += r++[0][1]+1)
if (c - r[0][0] <= r[0][1])
return c - r[0][0] + code;
else if (c - code <= r[0][1])
return c + r[0][0] - code;
return 0;
}
|
