sing-box/option/json.go

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package option
import (
"bytes"
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"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/sing/common/json"
"github.com/sagernet/sing/common/json/badjson"
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)
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func ToMap(v any) (*badjson.JSONObject, error) {
inputContent, err := json.Marshal(v)
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if err != nil {
return nil, err
}
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var content badjson.JSONObject
err = content.UnmarshalJSON(inputContent)
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if err != nil {
return nil, err
}
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return &content, nil
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}
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func MergeObjects(objects ...any) (*badjson.JSONObject, error) {
var content badjson.JSONObject
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for _, object := range objects {
objectMap, err := ToMap(object)
if err != nil {
return nil, err
}
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content.PutAll(objectMap)
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}
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return &content, nil
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}
func MarshallObjects(objects ...any) ([]byte, error) {
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objects = common.FilterNotNil(objects)
if len(objects) == 1 {
return json.Marshal(objects[0])
}
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content, err := MergeObjects(objects...)
if err != nil {
return nil, err
}
return content.MarshalJSON()
}
func UnmarshallExcluded(inputContent []byte, parentObject any, object any) error {
parentContent, err := ToMap(parentObject)
if err != nil {
return err
}
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var content badjson.JSONObject
err = content.UnmarshalJSON(inputContent)
if err != nil {
return err
}
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for _, key := range parentContent.Keys() {
content.Remove(key)
}
if object == nil {
if content.IsEmpty() {
return nil
}
return E.New("unexpected key: ", content.Keys()[0])
}
inputContent, err = content.MarshalJSON()
if err != nil {
return err
}
decoder := json.NewDecoder(bytes.NewReader(inputContent))
decoder.DisallowUnknownFields()
return decoder.Decode(object)
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}