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syncthing/lib/config/compression.go
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// Copyright (C) 2015 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package config
import (
"github.com/syncthing/syncthing/lib/protocol"
)
type Compression int32
const (
CompressionMetadata Compression = 0
CompressionNever Compression = 1
CompressionAlways Compression = 2
)
var compressionMarshal = map[Compression]string{
CompressionNever: "never",
CompressionMetadata: "metadata",
CompressionAlways: "always",
}
var compressionUnmarshal = map[string]Compression{
// Legacy
"false": CompressionNever,
"true": CompressionMetadata,
// Current
"never": CompressionNever,
"metadata": CompressionMetadata,
"always": CompressionAlways,
}
func (c Compression) MarshalText() ([]byte, error) {
return []byte(compressionMarshal[c]), nil
}
func (c *Compression) UnmarshalText(bs []byte) error {
*c = compressionUnmarshal[string(bs)]
return nil
}
func (c Compression) ToProtocol() protocol.Compression {
switch c {
case CompressionNever:
return protocol.CompressionNever
case CompressionAlways:
return protocol.CompressionAlways
case CompressionMetadata:
return protocol.CompressionMetadata
default:
return protocol.CompressionMetadata
}
}