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codec.go
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codec.go
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// Copyright 2024 Buf Technologies, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pluginrpc
import (
"fmt"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto"
)
var (
binaryCodec = &codec{
Marshal: proto.Marshal,
Unmarshal: proto.Unmarshal,
}
jsonCodec = &codec{
Marshal: protojson.MarshalOptions{UseProtoNames: true}.Marshal,
Unmarshal: protojson.Unmarshal,
}
formatToCodec = map[Format]*codec{
FormatBinary: binaryCodec,
FormatJSON: jsonCodec,
}
)
type codec struct {
Marshal func(message proto.Message) ([]byte, error)
Unmarshal func(data []byte, message proto.Message) error
}
func codecForFormat(format Format) (*codec, error) {
codec, ok := formatToCodec[format]
if !ok {
return nil, fmt.Errorf("unknown Format: %v", format)
}
return codec, nil
}