policy-engine/util/glob.go

package util

import (
	"strings"
	"unicode/utf8"
)

// Matches s against the pattern.
// ? in pattern correspond to any symbol.
// * in pattern correspond to any sequence of symbols.
// Currently only '*' in the suffix is supported.
func GlobMatch(s, pattern string) bool {
	index := strings.IndexByte(pattern, '*')
	switch index {
	default:
		panic("unimplemented")
	case -1:
		return pattern == s
	case utf8.RuneCountInString(pattern) - 1:
		return strings.HasPrefix(s, pattern[:len(pattern)-1])
	}
}