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package events
import (
"strings"
"github.com/spiral/errors"
)
type wildcard struct {
prefix string
suffix string
}
func newWildcard(pattern string) (*wildcard, error) {
// Normalize
origin := strings.ToLower(pattern)
i := strings.IndexByte(origin, '*')
/*
http.*
*
*.WorkerError
*/
if i == -1 {
dotI := strings.IndexByte(pattern, '.')
if dotI == -1 {
// http.SuperEvent
return nil, errors.Str("wrong wildcard, no * or . Usage: http.Event or *.Event or http.*")
}
return &wildcard{origin[0:dotI], origin[dotI+1:]}, nil
}
// pref: http.
// suff: *
return &wildcard{origin[0:i], origin[i+1:]}, nil
}
func (w wildcard) match(s string) bool {
s = strings.ToLower(s)
return len(s) >= len(w.prefix)+len(w.suffix) && strings.HasPrefix(s, w.prefix) && strings.HasSuffix(s, w.suffix)
}
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