Платформа ЦРНП "Мирокод" для разработки проектов
https://git.mirocod.ru
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
673 B
49 lines
673 B
package match |
|
|
|
import ( |
|
"fmt" |
|
"unicode/utf8" |
|
) |
|
|
|
type Max struct { |
|
Limit int |
|
} |
|
|
|
func NewMax(l int) Max { |
|
return Max{l} |
|
} |
|
|
|
func (self Max) Match(s string) bool { |
|
var l int |
|
for range s { |
|
l += 1 |
|
if l > self.Limit { |
|
return false |
|
} |
|
} |
|
|
|
return true |
|
} |
|
|
|
func (self Max) Index(s string) (int, []int) { |
|
segments := acquireSegments(self.Limit + 1) |
|
segments = append(segments, 0) |
|
var count int |
|
for i, r := range s { |
|
count++ |
|
if count > self.Limit { |
|
break |
|
} |
|
segments = append(segments, i+utf8.RuneLen(r)) |
|
} |
|
|
|
return 0, segments |
|
} |
|
|
|
func (self Max) Len() int { |
|
return lenNo |
|
} |
|
|
|
func (self Max) String() string { |
|
return fmt.Sprintf("<max:%d>", self.Limit) |
|
}
|
|
|