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gitea/vendor/github.com/gobwas/glob/match/prefix_suffix.go
WGH 6ddd3b0b47 Implement webhook branch filter (#7791)
* Fix validate() function to handle errors in embedded anon structs

* Implement webhook branch filter

See #2025, #3998.
2019-09-09 08:48:21 +03:00

62 lines
1.1 KiB
Go

package match
import (
"fmt"
"strings"
)
type PrefixSuffix struct {
Prefix, Suffix string
}
func NewPrefixSuffix(p, s string) PrefixSuffix {
return PrefixSuffix{p, s}
}
func (self PrefixSuffix) Index(s string) (int, []int) {
prefixIdx := strings.Index(s, self.Prefix)
if prefixIdx == -1 {
return -1, nil
}
suffixLen := len(self.Suffix)
if suffixLen <= 0 {
return prefixIdx, []int{len(s) - prefixIdx}
}
if (len(s) - prefixIdx) <= 0 {
return -1, nil
}
segments := acquireSegments(len(s) - prefixIdx)
for sub := s[prefixIdx:]; ; {
suffixIdx := strings.LastIndex(sub, self.Suffix)
if suffixIdx == -1 {
break
}
segments = append(segments, suffixIdx+suffixLen)
sub = sub[:suffixIdx]
}
if len(segments) == 0 {
releaseSegments(segments)
return -1, nil
}
reverseSegments(segments)
return prefixIdx, segments
}
func (self PrefixSuffix) Len() int {
return lenNo
}
func (self PrefixSuffix) Match(s string) bool {
return strings.HasPrefix(s, self.Prefix) && strings.HasSuffix(s, self.Suffix)
}
func (self PrefixSuffix) String() string {
return fmt.Sprintf("<prefix_suffix:[%s,%s]>", self.Prefix, self.Suffix)
}