2016-01-08 20:14:31 +03:00
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package match
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2016-01-09 02:34:41 +03:00
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import (
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"fmt"
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"unicode/utf8"
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)
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2016-01-08 20:14:31 +03:00
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type Min struct {
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Limit int
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}
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func (self Min) Match(s string) bool {
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2016-01-09 02:34:41 +03:00
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return utf8.RuneCountInString(s) >= self.Limit
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}
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2016-01-12 14:06:59 +03:00
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func (self Min) Index(s string) (int, []int) {
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var count int
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c := utf8.RuneCountInString(s)
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if c < self.Limit {
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return -1, nil
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}
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segments := make([]int, 0, c-self.Limit+1)
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for i, r := range s {
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count++
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if count >= self.Limit {
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segments = append(segments, i+utf8.RuneLen(r))
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}
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}
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return 0, segments
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}
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2016-01-09 02:34:41 +03:00
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func (self Min) Len() int {
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return -1
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2016-01-08 20:14:31 +03:00
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}
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func (self Min) Search(s string) (int, int, bool) {
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return 0, 0, false
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}
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func (self Min) Kind() Kind {
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return KindMin
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}
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func (self Min) String() string {
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2016-01-13 01:26:48 +03:00
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return fmt.Sprintf("<min:%d>", self.Limit)
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2016-01-08 20:14:31 +03:00
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}
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