mirror of
https://github.com/hanzozt/foundation.git
synced 2026-10-30 14:42:04 +00:00
Paul Lorenz
95a4bfc777
* move util up a level * rename common to versions * remove pfxlog from versions * remove neatcat and echo server * move udp code to transport * remove agent, identity and metrics, which have been split out * remove config which was unused
38 lines
985 B
Go
38 lines
985 B
Go
package mirror
|
|
|
|
import (
|
|
"github.com/pkg/errors"
|
|
"reflect"
|
|
)
|
|
|
|
func InitializeStructField(container interface{}, fieldName string) error {
|
|
containerVal := GetValue(container)
|
|
|
|
if containerVal.Kind() != reflect.Struct {
|
|
return errors.Errorf("given type %v is not a struct, can't initialized fields", containerVal.Type().Name())
|
|
}
|
|
|
|
fieldType, found := containerVal.Type().FieldByName(fieldName)
|
|
if !found {
|
|
return errors.Errorf("unknown field %v of type %v", fieldName, containerVal.Type().Name())
|
|
}
|
|
|
|
fieldVal := containerVal.FieldByName(fieldName)
|
|
if fieldVal.Kind() != reflect.Ptr {
|
|
return errors.Errorf("field %v of type %v is not a pointer, is already initialized", fieldName, containerVal.Type().Name())
|
|
}
|
|
|
|
newFieldVal := reflect.New(fieldType.Type.Elem())
|
|
fieldVal.Set(newFieldVal)
|
|
|
|
return nil
|
|
}
|
|
|
|
func GetValue(something interface{}) reflect.Value {
|
|
value := reflect.ValueOf(something)
|
|
if value.Kind() == reflect.Ptr {
|
|
return value.Elem()
|
|
}
|
|
return value
|
|
}
|