frostfs-api-go/pkg/version.go

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package pkg
import (
"fmt"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
)
// Version represents v2-compatible version.
type Version refs.Version
const sdkMjr, sdkMnr = 2, 7
// NewVersionFromV2 wraps v2 Version message to Version.
//
// Nil refs.Version converts to nil.
func NewVersionFromV2(v *refs.Version) *Version {
return (*Version)(v)
}
// NewVersion creates and initializes blank Version.
//
// Works similar as NewVersionFromV2(new(Version)).
//
// Defaults:
// - major: 0;
// - minor: 0.
func NewVersion() *Version {
return NewVersionFromV2(new(refs.Version))
}
// SDKVersion returns Version instance that
// initialized to current SDK revision number.
func SDKVersion() *Version {
v := NewVersion()
v.SetMajor(sdkMjr)
v.SetMinor(sdkMnr)
return v
}
// Major returns major number of the revision.
func (v *Version) Major() uint32 {
return (*refs.Version)(v).
GetMajor()
}
// SetMajor sets major number of the revision.
func (v *Version) SetMajor(val uint32) {
(*refs.Version)(v).
SetMajor(val)
}
// Minor returns minor number of the revision.
func (v *Version) Minor() uint32 {
return (*refs.Version)(v).
GetMinor()
}
// SetMinor sets minor number of the revision.
func (v *Version) SetMinor(val uint32) {
(*refs.Version)(v).
SetMinor(val)
}
// ToV2 converts Version to v2 Version message.
//
// Nil Version converts to nil.
func (v *Version) ToV2() *refs.Version {
return (*refs.Version)(v)
}
func (v *Version) String() string {
return fmt.Sprintf("v%d.%d", v.Major(), v.Minor())
}
// IsSupportedVersion returns error if v is not supported by current SDK.
func IsSupportedVersion(v *Version) error {
mjr, mnr := v.Major(), v.Minor()
if mjr != 2 || mnr > sdkMnr {
return fmt.Errorf("unsupported version %d.%d", mjr, mnr)
}
return nil
}
// Marshal marshals Version into a protobuf binary form.
//
// Buffer is allocated when the argument is empty.
// Otherwise, the first buffer is used.
func (v *Version) Marshal(b ...[]byte) ([]byte, error) {
var buf []byte
if len(b) > 0 {
buf = b[0]
}
return (*refs.Version)(v).
StableMarshal(buf)
}
// Unmarshal unmarshals protobuf binary representation of Version.
func (v *Version) Unmarshal(data []byte) error {
return (*refs.Version)(v).
Unmarshal(data)
}
// MarshalJSON encodes Version to protobuf JSON format.
func (v *Version) MarshalJSON() ([]byte, error) {
return (*refs.Version)(v).
MarshalJSON()
}
// UnmarshalJSON decodes Version from protobuf JSON format.
func (v *Version) UnmarshalJSON(data []byte) error {
return (*refs.Version)(v).
UnmarshalJSON(data)
}