69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package codec
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import (
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"encoding/json"
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_ "fmt"
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_ "github.com/xeipuuv/gojsonschema"
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"gopkg.in/yaml.v3"
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"io"
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"log/slog"
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"strings"
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"google.golang.org/protobuf/proto"
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)
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//type JSONDecoder json.Decoder
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type Decoder interface {
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Decode(v any) error
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}
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func NewDecoder(r io.Reader, format Format) Decoder {
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switch format {
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case FormatYaml:
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return NewYAMLDecoder(r)
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case FormatJson:
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return NewJSONDecoder(r)
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case FormatProtoBuf:
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return NewProtoBufDecoder(r)
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}
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return nil
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}
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func NewStringDecoder(s string, format Format) Decoder {
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return NewDecoder(strings.NewReader(s), format)
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}
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func NewJSONDecoder(r io.Reader) Decoder {
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return json.NewDecoder(r)
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}
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func NewJSONStringDecoder(s string) Decoder {
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return json.NewDecoder(strings.NewReader(s))
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}
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func NewYAMLDecoder(r io.Reader) Decoder {
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slog.Info("NewYAMLDecoder()", "reader", r)
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return yaml.NewDecoder(r)
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}
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func NewYAMLStringDecoder(s string) Decoder {
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return yaml.NewDecoder(strings.NewReader(s))
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}
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type ProtoDecoder struct {
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reader io.Reader
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}
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func (p *ProtoDecoder) Decode(v any) (err error) {
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var protoData []byte
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protoData, err = io.ReadAll(p.reader)
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err = proto.Unmarshal(protoData, v.(proto.Message))
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return
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}
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func NewProtoBufDecoder(r io.Reader) Decoder {
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return &ProtoDecoder{ reader: r }
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}
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