/
typeless.go
79 lines (71 loc) · 1.75 KB
/
typeless.go
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package remotes
import (
"encoding/json"
ocischemav1 "github.com/opencontainers/image-spec/specs-go/v1"
)
type typelessManifestList struct {
Manifests []typelessDescriptor
extras map[string]json.RawMessage
}
func (m *typelessManifestList) MarshalJSON() ([]byte, error) {
data := map[string]json.RawMessage{}
for k, v := range m.extras {
data[k] = v
}
if len(m.Manifests) != 0 {
manifestsJSON, err := json.Marshal(m.Manifests)
if err != nil {
return nil, err
}
data["manifests"] = json.RawMessage(manifestsJSON)
}
return json.Marshal(data)
}
func (m *typelessManifestList) UnmarshalJSON(source []byte) error {
var data map[string]json.RawMessage
if err := json.Unmarshal(source, &data); err != nil {
return err
}
if manifestsJSON, ok := data["manifests"]; ok {
if err := json.Unmarshal(manifestsJSON, &m.Manifests); err != nil {
return err
}
delete(data, "manifests")
}
m.extras = data
return nil
}
type typelessDescriptor struct {
Platform *ocischemav1.Platform
extras map[string]json.RawMessage
}
func (d *typelessDescriptor) MarshalJSON() ([]byte, error) {
data := map[string]json.RawMessage{}
for k, v := range d.extras {
data[k] = v
}
if d.Platform != nil {
platJSON, err := json.Marshal(d.Platform)
if err != nil {
return nil, err
}
data["platform"] = json.RawMessage(platJSON)
}
return json.Marshal(data)
}
func (d *typelessDescriptor) UnmarshalJSON(source []byte) error {
var data map[string]json.RawMessage
if err := json.Unmarshal(source, &data); err != nil {
return err
}
if platJSON, ok := data["platform"]; ok {
var plat ocischemav1.Platform
if err := json.Unmarshal(platJSON, &plat); err != nil {
return err
}
d.Platform = &plat
delete(data, "platform")
}
d.extras = data
return nil
}