go-proxy/wildcard/match.go

45 lines
783 B
Go
Raw Normal View History

2023-04-24 19:53:37 +02:00
package wildcard
const wildcard = '*'
func Match(str, pattern string) bool {
if pattern == "" {
return str == pattern
}
if pattern == string(wildcard) {
return true
}
return deepMatchRune([]rune(str), []rune(pattern))
}
func MatchAny(str string, patterns ...string) bool {
for _, p := range patterns {
if matches := Match(str, p); matches {
return matches
}
}
return false
}
func deepMatchRune(str, pattern []rune) bool {
for len(pattern) > 0 {
switch pattern[0] {
default:
if len(str) == 0 || str[0] != pattern[0] {
return false
}
case wildcard:
return deepMatchRune(str, pattern[1:]) ||
(len(str) > 0 && deepMatchRune(str[1:], pattern))
}
str = str[1:]
pattern = pattern[1:]
}
return len(str) == 0 && len(pattern) == 0
}