forked from mirror/glob
80 lines
1.2 KiB
Go
80 lines
1.2 KiB
Go
package match
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
const lenOne = 1
|
|
const lenZero = 0
|
|
const lenNo = -1
|
|
|
|
type Matcher interface {
|
|
Match(string) bool
|
|
Index(string, []int) (int, []int)
|
|
Len() int
|
|
String() string
|
|
}
|
|
|
|
type Matchers []Matcher
|
|
|
|
func (m Matchers) String() string {
|
|
var s []string
|
|
for _, matcher := range m {
|
|
s = append(s, fmt.Sprint(matcher))
|
|
}
|
|
|
|
return fmt.Sprintf("%s", strings.Join(s, ","))
|
|
}
|
|
|
|
// appendMerge merges and sorts given already SORTED and UNIQUE segments.
|
|
func appendMerge(target, sub []int) []int {
|
|
lt, ls := len(target), len(sub)
|
|
out := make([]int, 0, lt+ls)
|
|
|
|
for x, y := 0, 0; x < lt || y < ls; {
|
|
if x >= lt {
|
|
out = append(out, sub[y:]...)
|
|
break
|
|
}
|
|
|
|
if y >= ls {
|
|
out = append(out, target[x:]...)
|
|
break
|
|
}
|
|
|
|
xValue := target[x]
|
|
yValue := sub[y]
|
|
|
|
switch {
|
|
|
|
case xValue == yValue:
|
|
out = append(out, xValue)
|
|
x++
|
|
y++
|
|
|
|
case xValue < yValue:
|
|
out = append(out, xValue)
|
|
x++
|
|
|
|
case yValue < xValue:
|
|
out = append(out, yValue)
|
|
y++
|
|
|
|
}
|
|
}
|
|
|
|
target = append(target[:0], out...)
|
|
|
|
return target
|
|
}
|
|
|
|
func reverseSegments(input []int) {
|
|
l := len(input)
|
|
m := l / 2
|
|
|
|
for i := 0; i < m; i++ {
|
|
input[i], input[l-i-1] = input[l-i-1], input[i]
|
|
}
|
|
}
|