forked from mirror/glob
50 lines
740 B
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)
|
|
}
|