glob/match/min.go

50 lines
740 B
Go

package match
import (
"fmt"
"unicode/utf8"
)
type Min struct {
Limit int
}
func (self Min) Match(s string) bool {
return utf8.RuneCountInString(s) >= self.Limit
}
func (self Min) Index(s string) (int, []int) {
var count int
c := utf8.RuneCountInString(s)
if c < self.Limit {
return -1, nil
}
segments := make([]int, 0, c-self.Limit+1)
for i, r := range s {
count++
if count >= self.Limit {
segments = append(segments, i+utf8.RuneLen(r))
}
}
return 0, segments
}
func (self Min) Len() int {
return -1
}
func (self Min) Search(s string) (int, int, bool) {
return 0, 0, false
}
func (self Min) Kind() Kind {
return KindMin
}
func (self Min) String() string {
return fmt.Sprintf("[min:%d]", self.Limit)
}