binding.go

package httpx

//var (
//	BindingProtoBuf      = protobufBinding{}
//	BindingJSON          = jsonBinding{}
//	BindingXML           = binding.XML
//	BindingForm          = binding.Form
//	BindingQuery         = binding.Query
//	BindingFormPost      = binding.FormPost
//	BindingFormMultipart = binding.FormMultipart
//	BindingMsgPack       = binding.MsgPack
//	BindingYAML          = binding.YAML
//	BindingUri           = binding.Uri
//)
//
//func Bind(c *gin.Context, obj interface{}) error {
//	return c.ShouldBindWith(obj, GetBinding(c))
//}
//
//func GetBinding(c *gin.Context) binding.Binding {
//	method, contentType := c.Request.Method, c.ContentType()
//	if method == "GET" {
//		return BindingForm
//	}
//
//	switch contentType {
//	case binding.MIMEJSON:
//		return BindingJSON
//	case binding.MIMEXML, binding.MIMEXML2:
//		return BindingXML
//	case binding.MIMEPROTOBUF:
//		return BindingProtoBuf
//	case binding.MIMEMSGPACK, binding.MIMEMSGPACK2:
//		return BindingMsgPack
//	case binding.MIMEYAML:
//		return BindingYAML
//	default: // case MIMEPOSTForm, MIMEMultipartPOSTForm:
//		return BindingForm
//	}
//}
//
//type protobufBinding struct{}
//
//func (protobufBinding) Name() string {
//	return "protobuf"
//}
//
//func (b protobufBinding) Bind(req *http.Request, obj interface{}) error {
//	buf, err := io.ReadAll(req.Body)
//	if err != nil {
//		return err
//	}
//	return b.BindBody(buf, obj)
//}
//
//func (protobufBinding) BindBody(body []byte, obj interface{}) error {
//	if err := proto.Unmarshal(body, obj.(proto.Message)); err != nil {
//		return err
//	}
//	// Here it's same to return validate(obj), but util now we can't add
//	// `binding:""` to the struct which automatically generate by gen-proto
//	return nil
//	// return validate(obj)
//}
//
//// EnableDecoderUseNumber is used to call the UseNumber method on the JSON
//// Decoder instance. UseNumber causes the Decoder to unmarshal a number into an
//// interface{} as a Number instead of as a float64.
//var EnableDecoderUseNumber = false
//
//var json = jsoniter.ConfigCompatibleWithStandardLibrary
//
//type jsonBinding struct{}
//
//func (jsonBinding) Name() string {
//	return "json"
//}
//
//func (jsonBinding) Bind(req *http.Request, obj interface{}) error {
//	if req == nil || req.Body == nil {
//		return fmt.Errorf("invalid request")
//	}
//	return decodeJSON(req.Body, obj)
//}
//
//func (jsonBinding) BindBody(body []byte, obj interface{}) error {
//	return decodeJSON(bytes.NewReader(body), obj)
//}
//
//func decodeJSON(r io.Reader, obj interface{}) error {
//	decoder := json.NewDecoder(r)
//	if EnableDecoderUseNumber {
//		decoder.UseNumber()
//	}
//	if err := decoder.Decode(obj); err != nil {
//		return err
//	}
//	return validate(obj)
//}
//
//func validate(obj interface{}) error {
//	if binding.Validator == nil {
//		return nil
//	}
//	return binding.Validator.ValidateStruct(obj)
//}