This source file includes following definitions.
- uc_joining_type
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 #include <config.h>
19
20
21 #include "unictype.h"
22
23
24 #include "joiningtype_of.h"
25
26 int
27 uc_joining_type (ucs4_t uc)
28 {
29 unsigned int index1 = uc >> joining_type_header_0;
30 if (index1 < joining_type_header_1)
31 {
32 int lookup1 = u_joining_type.level1[index1];
33 if (lookup1 >= 0)
34 {
35 unsigned int index2 = (uc >> joining_type_header_2) & joining_type_header_3;
36 int lookup2 = u_joining_type.level2[lookup1 + index2];
37 if (lookup2 >= 0)
38 {
39 unsigned int index3 = (uc & joining_type_header_4) + lookup2;
40
41 unsigned int lookup3 =
42 (u_joining_type.level3[index3>>1] >> ((index3 % 2) * 4))
43 & 0x0f;
44
45 if (lookup3 != 0x0f)
46 return lookup3;
47 }
48 }
49 }
50 if (uc_is_general_category_withtable
51 (uc, UC_CATEGORY_MASK_Mn | UC_CATEGORY_MASK_Me | UC_CATEGORY_MASK_Cf))
52 return UC_JOINING_TYPE_T;
53 return UC_JOINING_TYPE_U;
54 }