tiny-rdm/backend/utils/convert/lz4_convert.go

40 lines
789 B
Go

package convutil
import (
"bytes"
"github.com/pierrec/lz4/v4"
"io"
)
type LZ4Convert struct{}
func (LZ4Convert) Enable() bool {
return true
}
func (LZ4Convert) Encode(str string) (string, bool) {
var compress = func(b []byte) (string, error) {
var buf bytes.Buffer
writer := lz4.NewWriter(&buf)
if _, err := writer.Write([]byte(str)); err != nil {
writer.Close()
return "", err
}
writer.Close()
return string(buf.Bytes()), nil
}
if gzipStr, err := compress([]byte(str)); err == nil {
return gzipStr, true
}
return str, false
}
func (LZ4Convert) Decode(str string) (string, bool) {
reader := lz4.NewReader(bytes.NewReader([]byte(str)))
if decompressed, err := io.ReadAll(reader); err == nil {
return string(decompressed), true
}
return str, false
}