This source file includes following definitions.
- uc_script
- uc_script_byname
- uc_is_script
- uc_all_scripts
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18 #include <config.h>
19
20
21 #include "unictype.h"
22
23 #include <string.h>
24
25 #include "scripts.h"
26 #include "unictype/scripts_byname.h"
27
28 const uc_script_t *
29 uc_script (ucs4_t uc)
30 {
31 unsigned int index1 = uc >> script_header_0;
32 if (index1 < script_header_1)
33 {
34 int lookup1 = u_script.level1[index1];
35 if (lookup1 >= 0)
36 {
37 unsigned int index2 = (uc >> script_header_2) & script_header_3;
38 int lookup2 = u_script.level2[lookup1 + index2];
39 if (lookup2 >= 0)
40 {
41 unsigned int index3 = (uc & script_header_4);
42 unsigned char lookup3 = u_script.level3[lookup2 + index3];
43
44 if (lookup3 != 0xff)
45 return &scripts[lookup3];
46 }
47 }
48 }
49 return NULL;
50 }
51
52 const uc_script_t *
53 uc_script_byname (const char *script_name)
54 {
55 const struct named_script *found;
56
57 found = uc_script_lookup (script_name, strlen (script_name));
58 if (found != NULL)
59 return &scripts[found->index];
60 else
61 return NULL;
62 }
63
64 bool
65 uc_is_script (ucs4_t uc, const uc_script_t *script)
66 {
67 return uc_script (uc) == script;
68 }
69
70 void
71 uc_all_scripts (const uc_script_t **scriptsp, size_t *countp)
72 {
73 *scriptsp = scripts;
74 *countp = sizeof (scripts) / sizeof (scripts[0]);
75 }