pkger/pkging/embed/embed.go

67 lines
1.2 KiB
Go

package embed
import (
"bytes"
"compress/gzip"
"encoding/hex"
"io"
"github.com/markbates/pkger/here"
"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa"
"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa/filters"
)
func Decode(src []byte) ([]byte, error) {
dst := make([]byte, hex.DecodedLen(len(src)))
_, err := hex.Decode(dst, src)
if err != nil {
return nil, err
}
r, err := gzip.NewReader(bytes.NewReader(dst))
if err != nil {
return nil, err
}
bb := &bytes.Buffer{}
if _, err := io.Copy(bb, r); err != nil {
return nil, err
}
return bb.Bytes(), nil
}
func Encode(b []byte) ([]byte, error) {
bb := &bytes.Buffer{}
gz := gzip.NewWriter(bb)
if _, err := gz.Write(b); err != nil {
return nil, err
}
if err := gz.Flush(); err != nil {
return nil, err
}
if err := gz.Close(); err != nil {
return nil, err
}
hep := hepa.New()
hep = hepa.With(hep, filters.Home())
hep = hepa.With(hep, filters.Golang())
b, err := hep.Filter(bb.Bytes())
if err != nil {
return nil, err
}
s := hex.EncodeToString(b)
return []byte(s), nil
}
type Data struct {
Infos map[string]here.Info `json:"infos"`
Files map[string]File `json:"files"`
Here here.Info `json:"here"`
}