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package module
import (
"bytes"
"encoding/gob"
"github.com/hashicorp/terraform/config"
)
func (t *Tree) GobDecode(bs []byte) error {
t.lock.Lock()
defer t.lock.Unlock()
// Decode the gob data
var data treeGob
dec := gob.NewDecoder(bytes.NewReader(bs))
if err := dec.Decode(&data); err != nil {
return err
}
// Set the fields
t.name = data.Name
t.config = data.Config
t.children = data.Children
t.path = data.Path
return nil
}
func (t *Tree) GobEncode() ([]byte, error) {
data := &treeGob{
Config: t.config,
Children: t.children,
Name: t.name,
Path: t.path,
}
var buf bytes.Buffer
enc := gob.NewEncoder(&buf)
if err := enc.Encode(data); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// treeGob is used as a structure to Gob encode a tree.
//
// This structure is private so it can't be referenced but the fields are
// public, allowing Gob to properly encode this. When we decode this, we are
// able to turn it into a Tree.
type treeGob struct {
Config *config.Config
Children map[string]*Tree
Name string
Path []string
}
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