forked from ipfs/boxo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
node.go
112 lines (99 loc) · 2.02 KB
/
node.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
package assets
import (
"encoding/hex"
"fmt"
"github.com/ipld/go-ipld-prime/datamodel"
cidlink "github.com/ipld/go-ipld-prime/linking/cid"
)
type ParsedNode struct {
Keys []*ParsedNode
Values []*ParsedNode
Value string
CID string
Long bool
}
func ParseNode(node datamodel.Node) (*ParsedNode, error) {
dag := &ParsedNode{}
switch node.Kind() {
case datamodel.Kind_Map:
it := node.MapIterator()
for !it.Done() {
k, v, err := it.Next()
if err != nil {
return nil, err
}
kd, err := ParseNode(k)
if err != nil {
return nil, err
}
vd, err := ParseNode(v)
if err != nil {
return nil, err
}
dag.Keys = append(dag.Keys, kd)
dag.Values = append(dag.Values, vd)
}
case datamodel.Kind_List:
it := node.ListIterator()
for !it.Done() {
k, v, err := it.Next()
if err != nil {
return nil, err
}
vd, err := ParseNode(v)
if err != nil {
return nil, err
}
dag.Keys = append(dag.Keys, &ParsedNode{Value: fmt.Sprintf("%d", k)})
dag.Values = append(dag.Values, vd)
}
case datamodel.Kind_Bool:
v, err := node.AsBool()
if err != nil {
return nil, err
}
dag.Value = fmt.Sprintf("%t", v)
case datamodel.Kind_Int:
v, err := node.AsInt()
if err != nil {
return nil, err
}
dag.Value = fmt.Sprintf("%d", v)
case datamodel.Kind_Float:
v, err := node.AsFloat()
if err != nil {
return nil, err
}
dag.Value = fmt.Sprintf("%f", v)
case datamodel.Kind_String:
v, err := node.AsString()
if err != nil {
return nil, err
}
dag.Value = v
case datamodel.Kind_Bytes:
v, err := node.AsBytes()
if err != nil {
return nil, err
}
dag.Long = true
dag.Value = hex.Dump(v)
case datamodel.Kind_Link:
lnk, err := node.AsLink()
if err != nil {
return nil, err
}
dag.Value = lnk.String()
cl, isCid := lnk.(cidlink.Link)
if isCid {
dag.CID = cl.Cid.String()
}
case datamodel.Kind_Invalid:
dag.Value = "INVALID"
case datamodel.Kind_Null:
dag.Value = "NULL"
default:
dag.Value = "UNKNOWN"
}
return dag, nil
}