mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-29 23:30:04 +01:00
33 lines
691 B
Go
33 lines
691 B
Go
|
package quicktemplate
|
||
|
|
|
||
|
|
func appendURLEncode(dst []byte, src string) []byte {
|
||
|
|
n := len(src)
|
||
|
|
if n > 0 {
|
||
|
|
// Hint the compiler to remove bounds checks in the loop below.
|
||
|
|
_ = src[n-1]
|
||
|
|
}
|
||
|
|
for i := 0; i < n; i++ {
|
||
|
|
c := src[i]
|
||
|
|
|
||
|
|
// See http://www.w3.org/TR/html5/forms.html#form-submission-algorithm
|
||
|
|
if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c >= '0' && c <= '9' ||
|
||
|
|
c == '-' || c == '.' || c == '_' {
|
||
|
|
dst = append(dst, c)
|
||
|
|
} else {
|
||
|
|
if c == ' ' {
|
||
|
|
dst = append(dst, '+')
|
||
|
|
} else {
|
||
|
|
dst = append(dst, '%', hexCharUpper(c>>4), hexCharUpper(c&15))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dst
|
||
|
|
}
|
||
|
|
|
||
|
|
func hexCharUpper(c byte) byte {
|
||
|
|
if c < 10 {
|
||
|
|
return '0' + c
|
||
|
|
}
|
||
|
|
return c - 10 + 'A'
|
||
|
|
}
|