123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117 |
- package version
- import (
- "fmt"
- )
- type Version struct {
- Major int
- Minor int
- Patch int
- Extension string
- Text string
- }
- func (a *Version) Compare(b *Version) int {
- if a == nil && b != nil {
- return -1
- } else if a != nil && b == nil {
- return 1
- } else if a == nil && b == nil {
- return 0
- }
- if a.Major == b.Major {
- if a.Minor == b.Minor {
- if a.Patch == b.Patch {
- return 0
- } else if a.Patch > b.Patch {
- return 1
- }
- } else if a.Minor > b.Minor {
- return 1
- }
- } else if a.Major > b.Major {
- return 1
- }
- return -1
- }
- func (a *Version) Equal(b *Version) bool {
- return a.Compare(b) == 0
- }
- func (v *Version) Match(c *Constraint) bool {
- if v == nil {
- return false
- }
- if c == nil {
- return true
- }
- if c.Gt != nil {
- if v.Compare(c.Gt) <= 0 {
- return false
- }
- } else if c.Gte != nil {
- if v.Compare(c.Gte) < 0 {
- return false
- }
- }
- if c.Lt != nil {
- if v.Compare(c.Lt) >= 0 {
- return false
- }
- } else if c.Lte != nil {
- if v.Compare(c.Lte) > 0 {
- return false
- }
- }
- return true
- }
- func (a *Version) Less(b *Version) bool {
- return a.Compare(b) < 0
- }
- func (v *Version) SemanticString() string {
- if v == nil {
- return ""
- }
- return fmt.Sprintf("%d.%d.%d%s", v.Major, v.Minor, v.Patch, v.Extension)
- }
- func (v *Version) String() string {
- if v == nil {
- return ""
- }
- if v.Text != "" {
- return v.Text
- }
- return v.SemanticString()
- }
|