glob/match/min.go

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package match
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import (
"fmt"
"unicode/utf8"
)
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type Min struct {
Limit int
}
func (self Min) Match(s string) bool {
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return utf8.RuneCountInString(s) >= self.Limit
}
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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
}
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func (self Min) Len() int {
return -1
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}
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 {
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return fmt.Sprintf("<min:%d>", self.Limit)
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}