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

40 lines
871 B
Go

package convutil
import (
"bytes"
"github.com/klauspost/compress/flate"
"io"
"strings"
)
type DeflateConvert struct{}
func (d DeflateConvert) Encode(str string) (string, bool) {
var compress = func(b []byte) (string, error) {
var buf bytes.Buffer
writer, err := flate.NewWriter(&buf, flate.DefaultCompression)
if err != nil {
return "", err
}
if _, err = writer.Write([]byte(str)); err != nil {
writer.Close()
return "", err
}
writer.Close()
return string(buf.Bytes()), nil
}
if deflateStr, err := compress([]byte(str)); err == nil {
return deflateStr, true
}
return str, false
}
func (d DeflateConvert) Decode(str string) (string, bool) {
reader := flate.NewReader(strings.NewReader(str))
defer reader.Close()
if decompressed, err := io.ReadAll(reader); err == nil {
return string(decompressed), true
}
return str, false
}