-
Notifications
You must be signed in to change notification settings - Fork 3
/
doc_transformer.go
70 lines (62 loc) · 1.4 KB
/
doc_transformer.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
package generator
import (
"fmt"
"reflect"
"strings"
)
func transformValue(v reflect.Value) interface{} {
switch v.Kind() {
case reflect.Struct:
return transformStruct(v)
case reflect.Pointer:
if v.IsNil() {
return nil
}
return transformValue(v.Elem())
case reflect.Map:
return transformMap(v)
case reflect.Slice:
return transformSlice(v)
case reflect.Array:
return transformSlice(v)
}
if v.CanInterface() {
return v.Interface()
}
fmt.Printf("unsupported type %v", v)
panic("unexpected type")
}
func transformSlice(v reflect.Value) interface{} {
var res = make([]interface{}, 0, v.Len())
for i := 0; i < v.Len(); i++ {
res = append(res, transformValue(v.Index(i)))
}
return res
}
func transformMap(v reflect.Value) interface{} {
var res = make(map[interface{}]interface{})
for _, key := range v.MapKeys() {
res[transformValue(key)] = transformValue(reflect.ValueOf(v.MapIndex(key).Interface()))
}
return res
}
func transformStruct(v reflect.Value) interface{} {
var res = make(map[string]interface{})
fieldNums := v.NumField()
for i := 0; i < fieldNums; i++ {
field := v.Field(i)
name := fieldName(v.Type().Field(i))
if name == "-" {
continue
}
res[name] = transformValue(field)
}
return res
}
func fieldName(field reflect.StructField) string {
tagName, _, _ := strings.Cut(field.Tag.Get("json"), ",")
if tagName != "" {
return tagName
}
return field.Name
}