mirror of
https://github.com/coredns/coredns.git
synced 2025-10-29 17:24:20 -04:00
21 lines
485 B
Go
21 lines
485 B
Go
|
package auto
|
||
|
|
|
||
|
|
// rewriteToExpand rewrites our template string to one that we can give to regexp.ExpandString. This basically
|
||
|
|
// involves prefixing any '{' with a '$'.
|
||
|
|
func rewriteToExpand(s string) string {
|
||
|
|
// Pretty dumb at the moment, every { will get a $ prefixed.
|
||
|
|
// Also wasteful as we build the string with +=. This is OKish
|
||
|
|
// as we do this during config parsing.
|
||
|
|
|
||
|
|
copy := ""
|
||
|
|
|
||
|
|
for _, c := range s {
|
||
|
|
if c == '{' {
|
||
|
|
copy += "$"
|
||
|
|
}
|
||
|
|
copy += string(c)
|
||
|
|
}
|
||
|
|
|
||
|
|
return copy
|
||
|
|
}
|