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package database
import "strings"
func startsHexColor(s string) bool {
if len(s) < 6 {
return false
}
for _, r := range s[:6] {
switch {
case r >= '0' && r <= '9':
case r >= 'a' && r <= 'f':
case r >= 'A' && r <= 'F':
default:
return false
}
}
return true
}
func stripANSI(s string) string {
if !strings.ContainsAny(s, "\x02\x1D\x1F\x1E\x11\x16\x0F\x03\x04") {
// Fast case: no formatting
return s
}
var sb strings.Builder
sb.Grow(len(s))
for i := 0; i < len(s); i++ {
b := s[i]
switch b {
case '\x02', '\x1D', '\x1F', '\x1E', '\x11', '\x16', '\x0F':
case '\x03':
if len(s) <= i+1 || s[i+1] < '0' || s[i+1] > '9' {
break
}
i++
if len(s) > i+1 && s[i+1] >= '0' && s[i+1] <= '9' {
i++
}
if len(s) > i+2 && s[i+1] == ',' && s[i+2] >= '0' && s[i+2] <= '9' {
i += 2
if len(s) > i+1 && s[i+1] >= '0' && s[i+1] <= '9' {
i++
}
}
case '\x04':
if !startsHexColor(s[i+1:]) {
break
}
i += 6
if len(s) > i+1 && s[i+1] == ',' && startsHexColor(s[i+2:]) {
i += 7
}
default:
sb.WriteByte(b)
}
}
return sb.String()
}
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