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compress.go
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/
compress.go
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package yi
import (
"bytes"
"compress/zlib"
"io"
"os"
_ "github.com/festum/yi/statik"
"github.com/rakyll/statik/fs"
)
const filePath = "gua.data"
func libCompress(b []byte) error {
buff := bytes.NewBuffer(b)
file, err := os.OpenFile(filePath, os.O_RDWR|os.O_CREATE, os.ModePerm)
if err != nil {
return err
}
defer file.Close()
w := zlib.NewWriter(file)
if _, err := io.Copy(w, buff); err != nil {
return err
}
w.Flush()
defer w.Close()
return nil
}
func libDecompress() ([]byte, error) {
buff := bytes.Buffer{}
file, err := os.OpenFile(filePath, os.O_RDWR, os.ModePerm)
if err != nil {
return nil, err
}
defer file.Close()
r, err := zlib.NewReader(file)
if err == nil {
if _, err := io.Copy(&buff, r); err == nil {
return buff.Bytes(), nil
}
}
defer r.Close()
return nil, err
}
func libDecompressStatik() ([]byte, error) {
buff := bytes.Buffer{}
sfs, err := fs.New()
if err != nil {
return nil, err
}
file, err := sfs.Open("/" + filePath)
if err != nil {
return nil, err
}
r, err := zlib.NewReader(file)
if err == nil {
if _, err := io.Copy(&buff, r); err == nil {
return buff.Bytes(), nil
}
}
defer r.Close()
return nil, err
}