moby/pkg/version/version.go
Guillaume J. Charmes 3ee37f547f
Update Version to not use string anymore
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume@charmes.net> (github: creack)
2014-04-01 15:46:52 -07:00

52 lines
967 B
Go

package version
import (
"strconv"
"strings"
)
type Version string
func (me Version) compareTo(other Version) int {
var (
meTab = strings.Split(string(me), ".")
otherTab = strings.Split(string(other), ".")
)
for i, s := range meTab {
var meInt, otherInt int
meInt, _ = strconv.Atoi(s)
if len(otherTab) > i {
otherInt, _ = strconv.Atoi(otherTab[i])
}
if meInt > otherInt {
return 1
}
if otherInt > meInt {
return -1
}
}
if len(otherTab) > len(meTab) {
return -1
}
return 0
}
func (me Version) LessThan(other Version) bool {
return me.compareTo(other) == -1
}
func (me Version) LessThanOrEqualTo(other Version) bool {
return me.compareTo(other) <= 0
}
func (me Version) GreaterThan(other Version) bool {
return me.compareTo(other) == 1
}
func (me Version) GreaterThanOrEqualTo(other Version) bool {
return me.compareTo(other) >= 0
}
func (me Version) Equal(other Version) bool {
return me.compareTo(other) == 0
}