This source file includes following definitions.
- uc_bidi_class
- uc_bidi_category
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18 #include <config.h>
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20
21 #include "unictype.h"
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23
24 #include "bidi_of.h"
25
26 int
27 uc_bidi_class (ucs4_t uc)
28 {
29 unsigned int index1 = uc >> bidi_category_header_0;
30 if (index1 < bidi_category_header_1)
31 {
32 int lookup1 = u_bidi_category.level1[index1];
33 if (lookup1 >= 0)
34 {
35 unsigned int index2 = (uc >> bidi_category_header_2) & bidi_category_header_3;
36 int lookup2 = u_bidi_category.level2[lookup1 + index2];
37 if (lookup2 >= 0)
38 {
39 unsigned int index3 = ((uc & bidi_category_header_4) + lookup2) * 5;
40
41 unsigned int lookup3 =
42 (((unsigned int) u_bidi_category.level3[index3>>4]
43 | ((unsigned int) u_bidi_category.level3[(index3>>4)+1] << 16))
44 >> (index3 % 16))
45 & 0x1f;
46
47 return lookup3;
48 }
49 }
50 }
51 return UC_BIDI_L;
52 }
53
54 int
55 uc_bidi_category (ucs4_t uc)
56 {
57 return uc_bidi_class (uc);
58 }