forked from mirror/glob
63 lines
1.1 KiB
Go
63 lines
1.1 KiB
Go
package match
|
|
|
|
import (
|
|
"fmt"
|
|
"unicode/utf8"
|
|
|
|
"github.com/gobwas/glob/internal/debug"
|
|
)
|
|
|
|
type Range struct {
|
|
Lo, Hi rune
|
|
Not bool
|
|
}
|
|
|
|
func NewRange(lo, hi rune, not bool) Range {
|
|
return Range{lo, hi, not}
|
|
}
|
|
|
|
func (self Range) MinLen() int {
|
|
return 1
|
|
}
|
|
|
|
func (self Range) RunesCount() int {
|
|
return 1
|
|
}
|
|
|
|
func (self Range) Match(s string) (ok bool) {
|
|
if debug.Enabled {
|
|
done := debug.Matching("range", s)
|
|
defer func() { done(ok) }()
|
|
}
|
|
r, w := utf8.DecodeRuneInString(s)
|
|
if len(s) > w {
|
|
return false
|
|
}
|
|
|
|
inRange := r >= self.Lo && r <= self.Hi
|
|
|
|
return inRange == !self.Not
|
|
}
|
|
|
|
func (self Range) Index(s string) (index int, segments []int) {
|
|
if debug.Enabled {
|
|
done := debug.Indexing("range", s)
|
|
defer func() { done(index, segments) }()
|
|
}
|
|
for i, r := range s {
|
|
if self.Not != (r >= self.Lo && r <= self.Hi) {
|
|
return i, segmentsByRuneLength[utf8.RuneLen(r)]
|
|
}
|
|
}
|
|
|
|
return -1, nil
|
|
}
|
|
|
|
func (self Range) String() string {
|
|
var not string
|
|
if self.Not {
|
|
not = "!"
|
|
}
|
|
return fmt.Sprintf("<range:%s[%s,%s]>", not, string(self.Lo), string(self.Hi))
|
|
}
|