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50 lines
673 B
Go
50 lines
673 B
Go
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package match
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import (
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"fmt"
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"unicode/utf8"
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)
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type Max struct {
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Limit int
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}
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func NewMax(l int) Max {
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return Max{l}
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}
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func (self Max) Match(s string) bool {
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var l int
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for range s {
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l += 1
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if l > self.Limit {
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return false
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}
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}
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return true
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}
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func (self Max) Index(s string) (int, []int) {
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segments := acquireSegments(self.Limit + 1)
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segments = append(segments, 0)
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var count int
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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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break
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}
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segments = append(segments, i+utf8.RuneLen(r))
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}
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return 0, segments
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}
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func (self Max) Len() int {
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return lenNo
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}
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func (self Max) String() string {
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return fmt.Sprintf("<max:%d>", self.Limit)
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}
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