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
|
package matchers
var (
TypeWoff = newType("woff", "application/font-woff")
TypeWoff2 = newType("woff2", "application/font-woff")
TypeTtf = newType("ttf", "application/font-sfnt")
TypeOtf = newType("otf", "application/font-sfnt")
)
var Font = Map{
TypeWoff: Woff,
TypeWoff2: Woff2,
TypeTtf: Ttf,
TypeOtf: Otf,
}
func Woff(buf []byte) bool {
return len(buf) > 7 &&
buf[0] == 0x77 && buf[1] == 0x4F &&
buf[2] == 0x46 && buf[3] == 0x46 &&
buf[4] == 0x00 && buf[5] == 0x01 &&
buf[6] == 0x00 && buf[7] == 0x00
}
func Woff2(buf []byte) bool {
return len(buf) > 7 &&
buf[0] == 0x77 && buf[1] == 0x4F &&
buf[2] == 0x46 && buf[3] == 0x32 &&
buf[4] == 0x00 && buf[5] == 0x01 &&
buf[6] == 0x00 && buf[7] == 0x00
}
func Ttf(buf []byte) bool {
return len(buf) > 4 &&
buf[0] == 0x00 && buf[1] == 0x01 &&
buf[2] == 0x00 && buf[3] == 0x00 &&
buf[4] == 0x00
}
func Otf(buf []byte) bool {
return len(buf) > 4 &&
buf[0] == 0x4F && buf[1] == 0x54 &&
buf[2] == 0x54 && buf[3] == 0x4F &&
buf[4] == 0x00
}
|
