Function Store

engine/pkg/util/projection/operations.go:46–82

Store writes the values of the fields of the target struct to the accessor. Nil slice and map fields are skipped and do not overwrite existing accessor values.

(target interface{}, accessor Accessor, options StoreOptions)

// Store writes the values of the fields of the target struct to the accessor.
// Nil slice and map fields are skipped and do not overwrite existing accessor values.
func Store(target interface{}, accessor Accessor, options StoreOptions) error {
	return forEachField(target, func(tag *fieldTag, field reflect.Value) error {
		if !tag.matchesStore(options) {
			return nil
		}

		var accessorValue interface{}

		if tag.isPtr {
			if field.IsNil() {
				return nil
			}

			accessorValue = field.Elem().Interface()
		} else {
			if field.Kind() == reflect.Slice || field.Kind() == reflect.Map {
				if field.IsNil() {
					return nil
				}
			}

			accessorValue = field.Interface()
		}

		err := accessor.Set(FieldSet{
			Path: tag.path, Value: accessorValue, Type: tag.fType,
			CreateKey: tag.createKey,
		})

		if err != nil {
			return err
		}

		return nil
	},
	)
}

func forEachField(target interface{}, fn func(tag *fieldTag, field reflect.Value) error) error {
	value := reflect.Indirect(