2015-07-06 16:40:43 -04:00
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package jsonapi
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import (
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2015-09-17 18:55:53 -04:00
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"reflect"
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"strconv"
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"strings"
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"time"
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)
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2016-07-22 21:34:38 -04:00
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const (
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unsuportedStructTagMsg = "Unsupported jsonapi tag annotation, %s"
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)
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var (
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// ErrInvalidTime is returned when a struct has a time.Time type field, but
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// the JSON value was not a unix timestamp integer.
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ErrInvalidTime = errors.New("Only numbers can be parsed as dates, unix timestamps")
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// ErrInvalidISO8601 is returned when a struct has a time.Time type field and includes
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// "iso8601" in the tag spec, but the JSON value was not an ISO8601 timestamp string.
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ErrInvalidISO8601 = errors.New("Only strings can be parsed as dates, ISO8601 timestamps")
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// ErrUnknownFieldNumberType is returned when the JSON value was a float
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// (numeric) but the Struct field was a non numeric type (i.e. not int, uint,
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// float, etc)
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ErrUnknownFieldNumberType = errors.New("The struct field was not of a known number type")
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// ErrUnsupportedPtrType is returned when the Struct field was a pointer but
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// the JSON value was of a different type
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ErrUnsupportedPtrType = errors.New("Pointer type in struct is not supported")
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// ErrInvalidType is returned when the given type is incompatible with the expected type.
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ErrInvalidType = errors.New("Invalid type provided") // I wish we used punctuation.
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)
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// UnmarshalPayload converts an io into a struct instance using jsonapi tags on
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// struct fields. This method supports single request payloads only, at the
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// moment. Bulk creates and updates are not supported yet.
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//
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// Will Unmarshal embedded and sideloaded payloads. The latter is only possible if the
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// object graph is complete. That is, in the "relationships" data there are type and id,
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// keys that correspond to records in the "included" array.
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//
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// For example you could pass it, in, req.Body and, model, a BlogPost
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// struct instance to populate in an http handler,
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//
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// func CreateBlog(w http.ResponseWriter, r *http.Request) {
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// blog := new(Blog)
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//
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// if err := jsonapi.UnmarshalPayload(r.Body, blog); err != nil {
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// http.Error(w, err.Error(), 500)
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// return
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// }
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//
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// // ...do stuff with your blog...
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//
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// w.Header().Set("Content-Type", jsonapi.MediaType)
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// w.WriteHeader(201)
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//
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// if err := jsonapi.MarshalOnePayload(w, blog); err != nil {
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// http.Error(w, err.Error(), 500)
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// }
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// }
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//
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//
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// Visit https://github.com/google/jsonapi#create for more info.
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//
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// model interface{} should be a pointer to a struct.
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func UnmarshalPayload(in io.Reader, model interface{}) error {
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payload := new(OnePayload)
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if err := json.NewDecoder(in).Decode(payload); err != nil {
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return err
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}
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if payload.Included != nil {
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includedMap := make(map[string]*Node)
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for _, included := range payload.Included {
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key := fmt.Sprintf("%s,%s", included.Type, included.ID)
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includedMap[key] = included
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}
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return unmarshalNode(payload.Data, reflect.ValueOf(model), &includedMap)
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}
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return unmarshalNode(payload.Data, reflect.ValueOf(model), nil)
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}
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2017-01-20 19:13:04 -05:00
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// UnmarshalManyPayload converts an io into a set of struct instances using
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// jsonapi tags on the type's struct fields.
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func UnmarshalManyPayload(in io.Reader, t reflect.Type) ([]interface{}, error) {
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payload := new(ManyPayload)
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if err := json.NewDecoder(in).Decode(payload); err != nil {
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return nil, err
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}
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2017-01-26 18:25:13 -05:00
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models := []interface{}{} // will be populated from the "data"
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includedMap := map[string]*Node{} // will be populate from the "included"
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if payload.Included != nil {
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for _, included := range payload.Included {
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key := fmt.Sprintf("%s,%s", included.Type, included.ID)
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includedMap[key] = included
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}
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}
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2016-07-22 21:34:38 -04:00
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for _, data := range payload.Data {
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model := reflect.New(t.Elem())
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err := unmarshalNode(data, model, &includedMap)
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if err != nil {
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return nil, err
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}
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models = append(models, model.Interface())
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}
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2016-07-22 21:34:38 -04:00
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return models, nil
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}
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2015-08-29 13:29:58 -04:00
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func unmarshalNode(data *Node, model reflect.Value, included *map[string]*Node) (err error) {
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2015-08-29 13:29:58 -04:00
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defer func() {
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if r := recover(); r != nil {
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err = fmt.Errorf("data is not a jsonapi representation of '%v'", model.Type())
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}
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}()
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modelValue := model.Elem()
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modelType := model.Type().Elem()
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var er error
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for i := 0; i < modelValue.NumField(); i++ {
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fieldType := modelType.Field(i)
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tag := fieldType.Tag.Get("jsonapi")
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if tag == "" {
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continue
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}
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fieldValue := modelValue.Field(i)
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args := strings.Split(tag, ",")
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if len(args) < 1 {
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er = ErrBadJSONAPIStructTag
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break
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}
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2015-09-10 18:55:51 -04:00
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annotation := args[0]
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2017-01-20 19:13:04 -05:00
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if (annotation == annotationClientID && len(args) != 1) ||
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(annotation != annotationClientID && len(args) < 2) {
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er = ErrBadJSONAPIStructTag
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break
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}
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2015-07-06 16:40:43 -04:00
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2017-01-30 16:14:01 -05:00
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if annotation == annotationPrimary {
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2016-07-05 21:32:15 -04:00
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if data.ID == "" {
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continue
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2015-09-10 18:55:51 -04:00
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}
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2015-07-06 16:40:43 -04:00
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Added support for string, int(8,16,32,64), uint(8,16,32,64) and each … (#51)
* Added support for string, int(8,16,32,64), uint(8,16,32,64) and each of their ptr types as acceptable to use for the ID field.
* No longer declaring a new idErr var; also eliminate the switch within a switch - if the ID field was a string or *string it will continue. Added a couple extra tests.
2016-09-22 18:02:30 -04:00
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// Check the JSON API Type
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2015-09-10 18:55:51 -04:00
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if data.Type != args[1] {
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Added support for string, int(8,16,32,64), uint(8,16,32,64) and each … (#51)
* Added support for string, int(8,16,32,64), uint(8,16,32,64) and each of their ptr types as acceptable to use for the ID field.
* No longer declaring a new idErr var; also eliminate the switch within a switch - if the ID field was a string or *string it will continue. Added a couple extra tests.
2016-09-22 18:02:30 -04:00
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er = fmt.Errorf(
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"Trying to Unmarshal an object of type %#v, but %#v does not match",
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data.Type,
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args[1],
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)
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2016-01-05 16:13:24 -05:00
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break
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2015-09-10 18:55:51 -04:00
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}
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2015-07-09 15:27:03 -04:00
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Added support for string, int(8,16,32,64), uint(8,16,32,64) and each … (#51)
* Added support for string, int(8,16,32,64), uint(8,16,32,64) and each of their ptr types as acceptable to use for the ID field.
* No longer declaring a new idErr var; also eliminate the switch within a switch - if the ID field was a string or *string it will continue. Added a couple extra tests.
2016-09-22 18:02:30 -04:00
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// ID will have to be transmitted as astring per the JSON API spec
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v := reflect.ValueOf(data.ID)
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// Deal with PTRS
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var kind reflect.Kind
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if fieldValue.Kind() == reflect.Ptr {
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kind = fieldType.Type.Elem().Kind()
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2015-09-10 18:55:51 -04:00
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} else {
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Added support for string, int(8,16,32,64), uint(8,16,32,64) and each … (#51)
* Added support for string, int(8,16,32,64), uint(8,16,32,64) and each of their ptr types as acceptable to use for the ID field.
* No longer declaring a new idErr var; also eliminate the switch within a switch - if the ID field was a string or *string it will continue. Added a couple extra tests.
2016-09-22 18:02:30 -04:00
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kind = fieldType.Type.Kind()
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}
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// Handle String case
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if kind == reflect.String {
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assign(fieldValue, v)
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continue
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}
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// Value was not a string... only other supported type was a numeric,
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// which would have been sent as a float value.
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floatValue, err := strconv.ParseFloat(data.ID, 64)
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if err != nil {
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// Could not convert the value in the "id" attr to a float
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er = ErrBadJSONAPIID
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break
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2015-09-10 18:55:51 -04:00
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}
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Added support for string, int(8,16,32,64), uint(8,16,32,64) and each … (#51)
* Added support for string, int(8,16,32,64), uint(8,16,32,64) and each of their ptr types as acceptable to use for the ID field.
* No longer declaring a new idErr var; also eliminate the switch within a switch - if the ID field was a string or *string it will continue. Added a couple extra tests.
2016-09-22 18:02:30 -04:00
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// Convert the numeric float to one of the supported ID numeric types
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// (int[8,16,32,64] or uint[8,16,32,64])
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var idValue reflect.Value
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switch kind {
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case reflect.Int:
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n := int(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Int8:
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n := int8(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Int16:
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n := int16(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Int32:
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n := int32(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Int64:
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n := int64(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Uint:
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n := uint(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Uint8:
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n := uint8(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Uint16:
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n := uint16(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Uint32:
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n := uint32(floatValue)
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idValue = reflect.ValueOf(&n)
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case reflect.Uint64:
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n := uint64(floatValue)
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idValue = reflect.ValueOf(&n)
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default:
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// We had a JSON float (numeric), but our field was not one of the
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// allowed numeric types
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er = ErrBadJSONAPIID
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break
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}
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assign(fieldValue, idValue)
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2017-01-20 19:13:04 -05:00
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} else if annotation == annotationClientID {
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2016-07-05 21:32:15 -04:00
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if data.ClientID == "" {
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2016-01-05 16:13:24 -05:00
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continue
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2015-09-10 18:55:51 -04:00
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}
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2015-07-09 15:27:03 -04:00
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2016-07-05 21:32:15 -04:00
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fieldValue.Set(reflect.ValueOf(data.ClientID))
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2017-01-30 16:14:01 -05:00
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} else if annotation == annotationAttribute {
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attributes := data.Attributes
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2016-01-05 16:13:24 -05:00
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if attributes == nil || len(data.Attributes) == 0 {
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continue
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2015-09-10 18:55:51 -04:00
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}
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2015-07-06 16:40:43 -04:00
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2017-07-10 16:09:01 -04:00
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var isIso8601 bool
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2016-09-22 16:58:07 -04:00
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if len(args) > 2 {
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for _, arg := range args[2:] {
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if arg == annotationISO8601 {
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isIso8601 = true
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2016-09-22 16:58:07 -04:00
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}
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}
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}
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2017-07-10 16:09:01 -04:00
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attribute := attributes[args[1]]
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2015-07-09 15:27:03 -04:00
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2016-01-05 16:13:24 -05:00
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// continue if the attribute was not included in the request
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2017-07-10 16:09:01 -04:00
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if attribute == nil {
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2016-01-05 16:13:24 -05:00
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continue
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2015-09-10 18:55:51 -04:00
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}
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2015-07-07 18:46:20 -04:00
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2017-07-10 16:09:01 -04:00
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value := reflect.ValueOf(attribute)
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2015-09-10 18:55:51 -04:00
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2017-07-10 16:09:01 -04:00
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// Handle field of type []string
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if fieldValue.Type() == reflect.TypeOf([]string{}) {
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values := handleStringSlice(value)
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assign(fieldValue, reflect.ValueOf(values))
|
2016-01-05 16:13:24 -05:00
|
|
|
continue
|
2015-09-10 18:55:51 -04:00
|
|
|
}
|
2015-07-07 18:46:20 -04:00
|
|
|
|
2017-07-10 16:09:01 -04:00
|
|
|
// Handle field of type time.Time
|
|
|
|
if fieldValue.Type() == reflect.TypeOf(time.Time{}) {
|
|
|
|
var time time.Time
|
|
|
|
if time, err = handleTime(value, isIso8601); err != nil {
|
|
|
|
er = err
|
|
|
|
break
|
2015-10-28 13:08:50 -04:00
|
|
|
}
|
|
|
|
|
2017-07-10 16:09:01 -04:00
|
|
|
assign(fieldValue, reflect.ValueOf(time))
|
2016-01-05 16:13:24 -05:00
|
|
|
continue
|
2015-10-28 13:08:50 -04:00
|
|
|
}
|
|
|
|
|
2017-07-10 16:09:01 -04:00
|
|
|
// Handle field of type *time.Time
|
2015-10-13 12:10:10 -04:00
|
|
|
if fieldValue.Type() == reflect.TypeOf(new(time.Time)) {
|
2017-07-10 16:09:01 -04:00
|
|
|
var time time.Time
|
|
|
|
if time, err = handleTime(value, isIso8601); err != nil {
|
|
|
|
er = err
|
|
|
|
break
|
2015-10-13 12:10:10 -04:00
|
|
|
}
|
|
|
|
|
2017-07-10 16:09:01 -04:00
|
|
|
assign(fieldValue, reflect.ValueOf(&time))
|
2016-01-05 16:13:24 -05:00
|
|
|
continue
|
2015-10-13 12:10:10 -04:00
|
|
|
}
|
|
|
|
|
2016-07-22 21:34:38 -04:00
|
|
|
// JSON value was a float (numeric)
|
2017-07-10 16:09:01 -04:00
|
|
|
if value.Kind() == reflect.Float64 {
|
2016-01-12 13:00:18 -05:00
|
|
|
|
|
|
|
var kind reflect.Kind
|
|
|
|
if fieldValue.Kind() == reflect.Ptr {
|
|
|
|
kind = fieldType.Type.Elem().Kind()
|
|
|
|
} else {
|
|
|
|
kind = fieldType.Type.Kind()
|
|
|
|
}
|
|
|
|
|
2017-07-10 16:09:01 -04:00
|
|
|
numericValue, err := handleNumeric(value, kind)
|
|
|
|
|
|
|
|
if err != nil {
|
|
|
|
er = err
|
|
|
|
break
|
2016-01-12 13:00:18 -05:00
|
|
|
}
|
|
|
|
|
Added support for string, int(8,16,32,64), uint(8,16,32,64) and each … (#51)
* Added support for string, int(8,16,32,64), uint(8,16,32,64) and each of their ptr types as acceptable to use for the ID field.
* No longer declaring a new idErr var; also eliminate the switch within a switch - if the ID field was a string or *string it will continue. Added a couple extra tests.
2016-09-22 18:02:30 -04:00
|
|
|
assign(fieldValue, numericValue)
|
2016-01-12 13:00:18 -05:00
|
|
|
continue
|
2015-09-10 18:55:51 -04:00
|
|
|
}
|
2016-07-22 21:34:38 -04:00
|
|
|
|
|
|
|
// Field was a Pointer type
|
|
|
|
if fieldValue.Kind() == reflect.Ptr {
|
|
|
|
|
2017-07-10 16:09:01 -04:00
|
|
|
concreteVal, err := handlePointer(attribute, fieldValue.Type())
|
|
|
|
|
|
|
|
if err != nil {
|
|
|
|
er = err
|
|
|
|
break
|
2016-07-22 21:34:38 -04:00
|
|
|
}
|
|
|
|
|
2017-07-10 16:09:01 -04:00
|
|
|
assign(fieldValue, concreteVal)
|
2016-07-22 21:34:38 -04:00
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
2016-07-18 17:48:35 -04:00
|
|
|
// As a final catch-all, ensure types line up to avoid a runtime panic.
|
2017-07-10 16:09:01 -04:00
|
|
|
if fieldValue.Kind() != value.Kind() {
|
2017-01-31 14:18:51 -05:00
|
|
|
return ErrInvalidType
|
2016-07-18 17:48:35 -04:00
|
|
|
}
|
2017-07-10 16:09:01 -04:00
|
|
|
assign(fieldValue, reflect.ValueOf(attribute))
|
2016-07-22 21:34:38 -04:00
|
|
|
|
2017-01-30 16:14:01 -05:00
|
|
|
} else if annotation == annotationRelation {
|
2015-09-10 18:55:51 -04:00
|
|
|
isSlice := fieldValue.Type().Kind() == reflect.Slice
|
2015-07-07 18:46:20 -04:00
|
|
|
|
2015-09-10 18:55:51 -04:00
|
|
|
if data.Relationships == nil || data.Relationships[args[1]] == nil {
|
2016-01-05 16:13:24 -05:00
|
|
|
continue
|
2015-09-10 18:55:51 -04:00
|
|
|
}
|
2015-07-07 18:46:20 -04:00
|
|
|
|
2015-09-10 18:55:51 -04:00
|
|
|
if isSlice {
|
2017-01-20 19:13:04 -05:00
|
|
|
// to-many relationship
|
2015-09-17 18:55:53 -04:00
|
|
|
relationship := new(RelationshipManyNode)
|
|
|
|
|
|
|
|
buf := bytes.NewBuffer(nil)
|
|
|
|
|
|
|
|
json.NewEncoder(buf).Encode(data.Relationships[args[1]])
|
|
|
|
json.NewDecoder(buf).Decode(relationship)
|
|
|
|
|
|
|
|
data := relationship.Data
|
2015-09-10 18:55:51 -04:00
|
|
|
models := reflect.New(fieldValue.Type()).Elem()
|
2015-07-10 11:30:59 -04:00
|
|
|
|
2015-09-17 18:55:53 -04:00
|
|
|
for _, n := range data {
|
2015-09-10 18:55:51 -04:00
|
|
|
m := reflect.New(fieldValue.Type().Elem().Elem())
|
2015-07-07 18:46:20 -04:00
|
|
|
|
2016-07-22 21:34:38 -04:00
|
|
|
if err := unmarshalNode(
|
|
|
|
fullNode(n, included),
|
|
|
|
m,
|
|
|
|
included,
|
|
|
|
); err != nil {
|
2015-07-07 18:46:20 -04:00
|
|
|
er = err
|
2016-01-05 16:13:24 -05:00
|
|
|
break
|
2015-07-07 18:46:20 -04:00
|
|
|
}
|
|
|
|
|
2015-09-10 18:55:51 -04:00
|
|
|
models = reflect.Append(models, m)
|
2015-07-07 18:46:20 -04:00
|
|
|
}
|
|
|
|
|
2015-09-10 18:55:51 -04:00
|
|
|
fieldValue.Set(models)
|
2015-07-07 18:46:20 -04:00
|
|
|
} else {
|
2017-01-20 19:13:04 -05:00
|
|
|
// to-one relationships
|
2015-09-17 18:55:53 -04:00
|
|
|
relationship := new(RelationshipOneNode)
|
|
|
|
|
|
|
|
buf := bytes.NewBuffer(nil)
|
|
|
|
|
2016-07-22 21:34:38 -04:00
|
|
|
json.NewEncoder(buf).Encode(
|
|
|
|
data.Relationships[args[1]],
|
|
|
|
)
|
2015-09-17 18:55:53 -04:00
|
|
|
json.NewDecoder(buf).Decode(relationship)
|
|
|
|
|
2017-01-20 19:13:04 -05:00
|
|
|
/*
|
|
|
|
http://jsonapi.org/format/#document-resource-object-relationships
|
|
|
|
http://jsonapi.org/format/#document-resource-object-linkage
|
|
|
|
relationship can have a data node set to null (e.g. to disassociate the relationship)
|
|
|
|
so unmarshal and set fieldValue only if data obj is not null
|
|
|
|
*/
|
|
|
|
if relationship.Data == nil {
|
|
|
|
continue
|
|
|
|
}
|
2015-09-17 18:55:53 -04:00
|
|
|
|
2017-01-20 19:13:04 -05:00
|
|
|
m := reflect.New(fieldValue.Type().Elem())
|
2016-07-22 21:34:38 -04:00
|
|
|
if err := unmarshalNode(
|
|
|
|
fullNode(relationship.Data, included),
|
|
|
|
m,
|
|
|
|
included,
|
|
|
|
); err != nil {
|
2015-09-10 18:55:51 -04:00
|
|
|
er = err
|
2016-01-05 16:13:24 -05:00
|
|
|
break
|
2015-09-10 18:55:51 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
fieldValue.Set(m)
|
2017-01-20 19:13:04 -05:00
|
|
|
|
2015-07-06 16:40:43 -04:00
|
|
|
}
|
2015-09-10 18:55:51 -04:00
|
|
|
|
|
|
|
} else {
|
2016-01-05 16:13:24 -05:00
|
|
|
er = fmt.Errorf(unsuportedStructTagMsg, annotation)
|
2015-07-06 16:40:43 -04:00
|
|
|
}
|
2016-01-05 16:13:24 -05:00
|
|
|
}
|
2015-07-06 16:40:43 -04:00
|
|
|
|
2016-07-18 17:48:35 -04:00
|
|
|
return er
|
2015-07-06 16:40:43 -04:00
|
|
|
}
|
2015-07-07 18:46:20 -04:00
|
|
|
|
2015-09-17 18:55:53 -04:00
|
|
|
func fullNode(n *Node, included *map[string]*Node) *Node {
|
2016-07-05 21:32:15 -04:00
|
|
|
includedKey := fmt.Sprintf("%s,%s", n.Type, n.ID)
|
2015-07-07 18:46:20 -04:00
|
|
|
|
2015-09-17 18:55:53 -04:00
|
|
|
if included != nil && (*included)[includedKey] != nil {
|
|
|
|
return (*included)[includedKey]
|
2015-07-07 18:46:20 -04:00
|
|
|
}
|
|
|
|
|
2015-09-17 18:55:53 -04:00
|
|
|
return n
|
2015-07-07 18:46:20 -04:00
|
|
|
}
|
Added support for string, int(8,16,32,64), uint(8,16,32,64) and each … (#51)
* Added support for string, int(8,16,32,64), uint(8,16,32,64) and each of their ptr types as acceptable to use for the ID field.
* No longer declaring a new idErr var; also eliminate the switch within a switch - if the ID field was a string or *string it will continue. Added a couple extra tests.
2016-09-22 18:02:30 -04:00
|
|
|
|
|
|
|
// assign will take the value specified and assign it to the field; if
|
|
|
|
// field is expecting a ptr assign will assign a ptr.
|
|
|
|
func assign(field, value reflect.Value) {
|
|
|
|
if field.Kind() == reflect.Ptr {
|
|
|
|
field.Set(value)
|
|
|
|
} else {
|
|
|
|
field.Set(reflect.Indirect(value))
|
|
|
|
}
|
|
|
|
}
|
2017-07-10 16:09:01 -04:00
|
|
|
|
|
|
|
func handleStringSlice(v reflect.Value) []string {
|
|
|
|
values := make([]string, v.Len())
|
|
|
|
for i := 0; i < v.Len(); i++ {
|
|
|
|
values[i] = v.Index(i).Interface().(string)
|
|
|
|
}
|
|
|
|
|
|
|
|
return values
|
|
|
|
}
|
|
|
|
|
|
|
|
func handleTime(v reflect.Value, isIso8601 bool) (time.Time, error) {
|
|
|
|
if isIso8601 {
|
|
|
|
var tm string
|
|
|
|
if v.Kind() == reflect.String {
|
|
|
|
tm = v.Interface().(string)
|
|
|
|
} else {
|
|
|
|
return time.Now(), ErrInvalidISO8601
|
|
|
|
}
|
|
|
|
|
|
|
|
t, err := time.Parse(iso8601TimeFormat, tm)
|
|
|
|
if err != nil {
|
|
|
|
return time.Now(), ErrInvalidISO8601
|
|
|
|
}
|
|
|
|
|
|
|
|
return t, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
var at int64
|
|
|
|
|
|
|
|
if v.Kind() == reflect.Float64 {
|
|
|
|
at = int64(v.Interface().(float64))
|
|
|
|
} else if v.Kind() == reflect.Int {
|
|
|
|
at = v.Int()
|
|
|
|
} else {
|
|
|
|
return time.Now(), ErrInvalidTime
|
|
|
|
}
|
|
|
|
|
|
|
|
t := time.Unix(at, 0)
|
|
|
|
|
|
|
|
return t, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func handleNumeric(v reflect.Value, kind reflect.Kind) (reflect.Value, error) {
|
|
|
|
|
|
|
|
floatValue := v.Interface().(float64)
|
|
|
|
|
|
|
|
var numericValue reflect.Value
|
|
|
|
|
|
|
|
switch kind {
|
|
|
|
case reflect.Int:
|
|
|
|
n := int(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Int8:
|
|
|
|
n := int8(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Int16:
|
|
|
|
n := int16(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Int32:
|
|
|
|
n := int32(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Int64:
|
|
|
|
n := int64(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Uint:
|
|
|
|
n := uint(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Uint8:
|
|
|
|
n := uint8(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Uint16:
|
|
|
|
n := uint16(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Uint32:
|
|
|
|
n := uint32(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Uint64:
|
|
|
|
n := uint64(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Float32:
|
|
|
|
n := float32(floatValue)
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
case reflect.Float64:
|
|
|
|
n := floatValue
|
|
|
|
numericValue = reflect.ValueOf(&n)
|
|
|
|
default:
|
|
|
|
return reflect.Value{}, ErrUnknownFieldNumberType
|
|
|
|
}
|
|
|
|
|
|
|
|
return numericValue, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func handlePointer(val interface{}, t reflect.Type) (reflect.Value, error) {
|
|
|
|
var concreteVal reflect.Value
|
|
|
|
|
|
|
|
switch cVal := val.(type) {
|
|
|
|
case string:
|
|
|
|
concreteVal = reflect.ValueOf(&cVal)
|
|
|
|
case bool:
|
|
|
|
concreteVal = reflect.ValueOf(&cVal)
|
|
|
|
case complex64:
|
|
|
|
concreteVal = reflect.ValueOf(&cVal)
|
|
|
|
case complex128:
|
|
|
|
concreteVal = reflect.ValueOf(&cVal)
|
|
|
|
case uintptr:
|
|
|
|
concreteVal = reflect.ValueOf(&cVal)
|
|
|
|
default:
|
|
|
|
return reflect.Value{}, ErrUnsupportedPtrType
|
|
|
|
}
|
|
|
|
|
|
|
|
if t != concreteVal.Type() {
|
|
|
|
return reflect.Value{}, ErrUnsupportedPtrType
|
|
|
|
}
|
|
|
|
|
|
|
|
return concreteVal, nil
|
|
|
|
}
|