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type.go
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type.go
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// Copyright (C) 2019-2024, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package compression
import (
"errors"
"strings"
)
var errUnknownCompressionType = errors.New("unknown compression type")
type Type byte
const (
TypeNone Type = iota + 1
TypeZstd
)
func (t Type) String() string {
switch t {
case TypeNone:
return "none"
case TypeZstd:
return "zstd"
default:
return "unknown"
}
}
func TypeFromString(s string) (Type, error) {
switch s {
case TypeNone.String():
return TypeNone, nil
case TypeZstd.String():
return TypeZstd, nil
default:
return TypeNone, errUnknownCompressionType
}
}
func (t Type) MarshalJSON() ([]byte, error) {
var b strings.Builder
if _, err := b.WriteString(`"`); err != nil {
return nil, err
}
if _, err := b.WriteString(t.String()); err != nil {
return nil, err
}
if _, err := b.WriteString(`"`); err != nil {
return nil, err
}
return []byte(b.String()), nil
}