Files
opencloud/vendor/github.com/gookit/goutil/reflects/value.go
2023-04-19 20:24:34 +02:00

110 lines
2.0 KiB
Go

package reflects
import "reflect"
// Value struct
type Value struct {
reflect.Value
baseKind BKind
}
// Wrap the give value
func Wrap(rv reflect.Value) Value {
return Value{
Value: rv,
baseKind: ToBKind(rv.Kind()),
}
}
// ValueOf the give value
func ValueOf(v any) Value {
if rv, ok := v.(reflect.Value); ok {
return Wrap(rv)
}
rv := reflect.ValueOf(v)
return Value{
Value: rv,
baseKind: ToBKind(rv.Kind()),
}
}
// Indirect value. alias of the reflect.Indirect()
func (v Value) Indirect() Value {
if v.Kind() != reflect.Ptr {
return v
}
elem := v.Value.Elem()
return Value{
Value: elem,
baseKind: ToBKind(elem.Kind()),
}
}
// Elem returns the value that the interface v contains or that the pointer v points to.
//
// TIP: not like reflect.Value.Elem. otherwise, will return self.
func (v Value) Elem() Value {
if v.Kind() == reflect.Ptr || v.Kind() == reflect.Interface {
elem := v.Value.Elem()
return Value{
Value: elem,
baseKind: ToBKind(elem.Kind()),
}
}
// otherwise, will return self
return v
}
// Type of value.
func (v Value) Type() Type {
return &xType{
Type: v.Value.Type(),
baseKind: v.baseKind,
}
}
// BKind value
func (v Value) BKind() BKind {
return v.baseKind
}
// BaseKind value
func (v Value) BaseKind() BKind {
return v.baseKind
}
// HasChild check. eg: array, slice, map, struct
func (v Value) HasChild() bool {
switch v.Kind() {
case reflect.Array, reflect.Slice, reflect.Map, reflect.Struct:
return true
}
return false
}
// Int value. if is uintX will convert to int64
func (v Value) Int() int64 {
switch v.baseKind {
case Uint:
return int64(v.Value.Uint())
case Int:
return v.Value.Int()
}
panic(&reflect.ValueError{Method: "reflect.Value.Int", Kind: v.Kind()})
}
// Uint value. if is intX will convert to uint64
func (v Value) Uint() uint64 {
switch v.baseKind {
case Uint:
return v.Value.Uint()
case Int:
return uint64(v.Value.Int())
}
panic(&reflect.ValueError{Method: "reflect.Value.Uint", Kind: v.Kind()})
}