frostfs-node/pkg/local_object_storage/pilorama/meta.go

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package pilorama
import "github.com/nspcc-dev/neo-go/pkg/io"
func (x *Meta) FromBytes(data []byte) error {
if len(data) == 0 {
x.Items = nil
x.Time = 0
return nil
}
r := io.NewBinReaderFromBuf(data)
ts := r.ReadVarUint()
size := r.ReadVarUint()
m := make([]KeyValue, size)
for i := range m {
m[i].Key = r.ReadString()
m[i].Value = r.ReadVarBytes()
}
if r.Err != nil {
return r.Err
}
x.Time = ts
x.Items = m
return nil
}
func (x Meta) Bytes() []byte {
w := io.NewBufBinWriter()
w.WriteVarUint(x.Time)
w.WriteVarUint(uint64(len(x.Items)))
for _, e := range x.Items {
w.WriteString(e.Key)
w.WriteVarBytes(e.Value)
}
return w.Bytes()
}
func (x Meta) GetAttr(name string) []byte {
for _, kv := range x.Items {
if kv.Key == name {
return kv.Value
}
}
return nil
}