glob/match/row.go

79 lines
1.2 KiB
Go

package match
import (
"fmt"
)
type Row struct {
Matchers Matchers
RunesLength int
}
func (self Row) matchAll(s string) bool {
var idx int
for _, m := range self.Matchers {
length := m.Len()
var next, i int
for next = range s[idx:] {
i++
if i == length {
break
}
}
if i < length || !m.Match(s[idx:idx+next+1]) {
return false
}
idx += next + 1
}
return true
}
func (self Row) lenOk(s string) bool {
var i int
for range s {
i++
if i >= self.RunesLength {
return true
}
}
return false
}
func (self Row) Match(s string) bool {
return self.lenOk(s) && self.matchAll(s)
}
func (self Row) Len() (l int) {
return self.RunesLength
}
func (self Row) Index(s string, segments []int) (int, []int) {
if !self.lenOk(s) {
return -1, nil
}
for i := range s {
// this is not strict check but useful
// when glob will be refactored for usage with []rune
// it will be better
if len(s[i:]) < self.RunesLength {
break
}
if self.matchAll(s[i:]) {
return i, append(segments, self.RunesLength)
}
}
return -1, nil
}
func (self Row) String() string {
return fmt.Sprintf("<row_%d:[%s]>", self.RunesLength, self.Matchers)
}