104 lines
2.3 KiB
Go
104 lines
2.3 KiB
Go
package orm
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"strings"
|
|
)
|
|
|
|
func panik(err error) {
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func nameOf(i interface{}) string {
|
|
v := reflect.ValueOf(i)
|
|
var n string
|
|
switch v.Kind() {
|
|
case reflect.Slice, reflect.Map:
|
|
if v.Type().Elem().Kind() == reflect.Pointer {
|
|
n = v.Type().Elem().Elem().Name()
|
|
}
|
|
case reflect.Pointer:
|
|
n = nameOf(reflect.Indirect(v).Interface())
|
|
default:
|
|
n = v.Type().Name()
|
|
}
|
|
return n
|
|
}
|
|
|
|
func valueOf(i interface{}) reflect.Value {
|
|
v := reflect.ValueOf(i)
|
|
if v.Type().Kind() == reflect.Slice || v.Type().Kind() == reflect.Map {
|
|
in := v.Type().Elem()
|
|
switch in.Kind() {
|
|
case reflect.Pointer:
|
|
v = reflect.New(in.Elem()).Elem()
|
|
default:
|
|
v = reflect.New(in).Elem()
|
|
}
|
|
} else if v.Type().Kind() == reflect.Pointer {
|
|
v = valueOf(reflect.Indirect(v).Interface())
|
|
}
|
|
return v
|
|
}
|
|
|
|
func iFace(input interface{}) interface{} {
|
|
return reflect.ValueOf(input).Interface()
|
|
}
|
|
|
|
func iFaceSlice(input interface{}) []interface{} {
|
|
ret := make([]interface{}, 0)
|
|
fv := reflect.ValueOf(input)
|
|
if fv.Type().Kind() != reflect.Slice {
|
|
return ret
|
|
}
|
|
for i := 0; i < fv.Len(); i++ {
|
|
ret = append(ret, fv.Index(i).Interface())
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func coerceInt(input reflect.Value, dst reflect.Value) interface{} {
|
|
if input.Type().Kind() == reflect.Pointer {
|
|
input = input.Elem()
|
|
}
|
|
if dst.Type().Kind() == reflect.Pointer {
|
|
dst = dst.Elem()
|
|
}
|
|
if input.Type().ConvertibleTo(dst.Type()) {
|
|
return input.Convert(dst.Type()).Interface()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func getNested(field string, value reflect.Value) (*reflect.Type, *reflect.Value, error) {
|
|
if strings.HasPrefix(field, ".") || strings.HasSuffix(field, ".") {
|
|
return nil, nil, fmt.Errorf("Malformed field name %s passed", field)
|
|
}
|
|
dots := strings.Split(field, ".")
|
|
if value.Kind() != reflect.Struct {
|
|
return nil, nil, fmt.Errorf("This value is not a struct!")
|
|
}
|
|
ref := value
|
|
if ref.Kind() == reflect.Pointer {
|
|
ref = ref.Elem()
|
|
}
|
|
fv := ref.FieldByName(dots[0])
|
|
ft := fv.Type()
|
|
if len(dots) > 1 {
|
|
return getNested(strings.Join(dots[1:], "."), fv)
|
|
} else {
|
|
return &ft, &fv, nil
|
|
}
|
|
}
|
|
func makeSettable(rval reflect.Value, value interface{}) reflect.Value {
|
|
if !rval.CanSet() {
|
|
nv := reflect.New(rval.Type())
|
|
nv.Elem().Set(reflect.ValueOf(value))
|
|
return nv
|
|
}
|
|
return rval
|
|
}
|