60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
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package codec
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import (
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"encoding/gob"
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"encoding/json"
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"io"
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"github.com/vmihailenco/msgpack/v5"
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)
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// CodecFunc is a function that returns a new Codec
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// bound to the given io.ReadWriter
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type CodecFunc func(io.ReadWriter) Codec
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// Codec is able to encode and decode messages to/from
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// the given io.ReadWriter
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type Codec interface {
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Encode(val any) error
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Decode(val any) error
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}
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// Default is the default CodecFunc
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var Default = Msgpack
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// JSON is a CodecFunc that creates a JSON Codec
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func JSON(rw io.ReadWriter) Codec {
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type jsonCodec struct {
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*json.Encoder
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*json.Decoder
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}
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return jsonCodec{
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Encoder: json.NewEncoder(rw),
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Decoder: json.NewDecoder(rw),
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}
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}
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// Msgpack is a CodecFunc that creates a Msgpack Codec
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func Msgpack(rw io.ReadWriter) Codec {
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type msgpackCodec struct {
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*msgpack.Encoder
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*msgpack.Decoder
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}
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return msgpackCodec{
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Encoder: msgpack.NewEncoder(rw),
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Decoder: msgpack.NewDecoder(rw),
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}
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}
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// Gob is a CodecFunc that creates a Gob Codec
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func Gob(rw io.ReadWriter) Codec {
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type gobCodec struct {
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*gob.Encoder
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*gob.Decoder
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}
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return gobCodec{
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Encoder: gob.NewEncoder(rw),
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Decoder: gob.NewDecoder(rw),
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}
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}
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