micro/codec/noop.go

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package codec
import (
"encoding/json"
codecpb "go.unistack.org/micro-proto/v3/codec"
)
type noopCodec struct {
opts Options
}
func (c *noopCodec) String() string {
return "noop"
}
// NewCodec returns new noop codec
func NewCodec(opts ...Option) Codec {
return &noopCodec{opts: NewOptions(opts...)}
}
func (c *noopCodec) Marshal(v interface{}, opts ...Option) ([]byte, error) {
if v == nil {
return nil, nil
}
switch ve := v.(type) {
case string:
return []byte(ve), nil
case *string:
return []byte(*ve), nil
case *[]byte:
return *ve, nil
case []byte:
return ve, nil
case *Frame:
return ve.Data, nil
case *codecpb.Frame:
return ve.Data, nil
}
return json.Marshal(v)
}
func (c *noopCodec) Unmarshal(d []byte, v interface{}, opts ...Option) error {
if v == nil {
return nil
}
switch ve := v.(type) {
case *string:
*ve = string(d)
return nil
case []byte:
copy(ve, d)
return nil
case *[]byte:
*ve = d
return nil
case *Frame:
ve.Data = d
return nil
case *codecpb.Frame:
ve.Data = d
return nil
}
return json.Unmarshal(d, v)
}