summaryrefslogtreecommitdiff
path: root/src/utf8.cc
blob: 5f3a57a2566d0957078daf8554a4ae3025049f3a (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
#ifndef UTF8_CC
#define UTF8_CC

typedef i32 wchar;

#define UTF8_1BYTE 0x80

#define UTF8_2SHIFT 5
#define UTF8_2BYTE 0x6

#define UTF8_3SHIFT 4
#define UTF8_3BYTE 0xE

#define UTF8_4SHIFT 3
#define UTF8_4BYTE 0x1E

inline u8 utf8_nobytes(wchar c) {
  if(c < UTF8_1BYTE) return 1;
  if((c >> UTF8_2SHIFT) == UTF8_2BYTE) return 2;
  if((c >> UTF8_3SHIFT) == UTF8_3BYTE) return 3;
  if((c >> UTF8_4SHIFT) == UTF8_4BYTE) return 4;
  panic("what even is: %d\n", c);
}

#endif