blob: f1662a602045bc3280bc8b898615e45f73dcfc86 (
plain)
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
|
#ifndef GU_UCS_H_
#define GU_UCS_H_
#include <gu/defs.h>
#include <gu/exn.h>
#include <gu/assert.h>
#if defined(__STDC_ISO_10646__) && WCHAR_MAX >= 0x10FFFF
#include <wchar.h>
#define GU_UCS_WCHAR
typedef wchar_t GuUCS;
#else
typedef int32_t GuUCS;
#endif
#define GU_UCS_MAX ((GuUCS)(0x10FFFF))
bool
gu_char_is_valid(char c);
inline bool
gu_ucs_valid(GuUCS ucs)
{
return ucs >= 0 && ucs <= GU_UCS_MAX;
}
inline GuUCS
gu_char_ucs(char c)
{
gu_require(gu_char_is_valid(c));
#ifdef GU_CHAR_ASCII
GuUCS u = (GuUCS) c;
#else
extern const uint8_t gu_ucs_ascii_reverse_[CHAR_MAX];
GuUCS u = gu_ucs_ascii_reverse_[(unsigned char) c];
#endif
gu_ensure(u < 0x80);
return u;
}
char
gu_ucs_char(GuUCS uc, GuExn* err);
size_t
gu_str_to_ucs(const char* cbuf, size_t len, GuUCS* ubuf, GuExn* err);
size_t
gu_ucs_to_str(const GuUCS* ubuf, size_t len, char* cbuf, GuExn* err);
extern GU_DECLARE_TYPE(GuUCSExn, abstract);
#endif // GU_ISO10646_H_
|
