github.com/codeherentuk/terraform@v0.11.12-beta1/config/module/tree_gob.go (about) 1 package module 2 3 import ( 4 "bytes" 5 "encoding/gob" 6 7 "github.com/hashicorp/terraform/config" 8 ) 9 10 func (t *Tree) GobDecode(bs []byte) error { 11 t.lock.Lock() 12 defer t.lock.Unlock() 13 14 // Decode the gob data 15 var data treeGob 16 dec := gob.NewDecoder(bytes.NewReader(bs)) 17 if err := dec.Decode(&data); err != nil { 18 return err 19 } 20 21 // Set the fields 22 t.name = data.Name 23 t.config = data.Config 24 t.children = data.Children 25 t.path = data.Path 26 27 return nil 28 } 29 30 func (t *Tree) GobEncode() ([]byte, error) { 31 data := &treeGob{ 32 Config: t.config, 33 Children: t.children, 34 Name: t.name, 35 Path: t.path, 36 } 37 38 var buf bytes.Buffer 39 enc := gob.NewEncoder(&buf) 40 if err := enc.Encode(data); err != nil { 41 return nil, err 42 } 43 44 return buf.Bytes(), nil 45 } 46 47 // treeGob is used as a structure to Gob encode a tree. 48 // 49 // This structure is private so it can't be referenced but the fields are 50 // public, allowing Gob to properly encode this. When we decode this, we are 51 // able to turn it into a Tree. 52 type treeGob struct { 53 Config *config.Config 54 Children map[string]*Tree 55 Name string 56 Path []string 57 }