/
version.go
62 lines (57 loc) · 1.31 KB
/
version.go
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package domain
import (
"fmt"
"strconv"
"strings"
)
type Version struct {
Major int
Minor int
Patch int
Qualifier string
}
func (v *Version) Parse(s string) (err error) {
parts := strings.Split(s, "-")
var full string
if len(parts) == 2 {
full = parts[0]
v.Qualifier = parts[1]
} else if len(parts) == 1 {
full = parts[0]
} else {
return fmt.Errorf("Too many qualifier delimiters (-) in version string: %s", s)
}
parts = strings.Split(full, ".")
if len(parts) == 3 {
if v.Major, err = strconv.Atoi(parts[0]); err != nil {
return err
}
if v.Minor, err = strconv.Atoi(parts[1]); err != nil {
return err
}
if v.Patch, err = strconv.Atoi(parts[2]); err != nil {
return err
}
} else if len(parts) == 2 {
if v.Major, err = strconv.Atoi(parts[0]); err != nil {
return err
}
if v.Minor, err = strconv.Atoi(parts[1]); err != nil {
return err
}
} else if len(parts) == 1 {
if v.Major, err = strconv.Atoi(parts[0]); err != nil {
return err
}
} else {
return fmt.Errorf("Too many qualifier delimiters (-) in version string: %s", s)
}
return err
}
func (v *Version) ToString() string {
if len(v.Qualifier) > 0 {
return fmt.Sprintf("%v.%v.%v-%v", v.Major, v.Minor, v.Patch, v.Qualifier)
} else {
return fmt.Sprintf("%v.%v.%v", v.Major, v.Minor, v.Patch)
}
}