78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package goutil
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"reflect"
|
|
)
|
|
|
|
// format bytes number friendly
|
|
func BytesToTips(bytes uint64) string {
|
|
switch {
|
|
case bytes < 1024:
|
|
return fmt.Sprintf("%dB", bytes)
|
|
case bytes < 1024*1024:
|
|
return fmt.Sprintf("%.2fK", float64(bytes)/1024)
|
|
case bytes < 1024*1024*1024:
|
|
return fmt.Sprintf("%.2fM", float64(bytes)/1024/1024)
|
|
default:
|
|
return fmt.Sprintf("%.2fG", float64(bytes)/1024/1024/1024)
|
|
}
|
|
}
|
|
|
|
func If[T any](condition bool, trueVal, falseVal T) T {
|
|
if condition {
|
|
return trueVal
|
|
}
|
|
return falseVal
|
|
}
|
|
|
|
func CopyStruct(dst interface{}, src interface{}) {
|
|
|
|
dtype := reflect.TypeOf(dst)
|
|
stype := reflect.TypeOf(src)
|
|
|
|
if stype.Kind() != reflect.Ptr || stype.Kind() != dtype.Kind() {
|
|
panic(errors.New("src/dst must ptr"))
|
|
}
|
|
if reflect.ValueOf(dst).IsNil() || reflect.ValueOf(src).IsNil() {
|
|
panic(errors.New("src/dst is nil"))
|
|
}
|
|
|
|
dval := reflect.ValueOf(dst).Elem()
|
|
sval := reflect.ValueOf(src).Elem()
|
|
|
|
for i := 0; i < sval.NumField(); i++ {
|
|
sValue := sval.Field(i)
|
|
|
|
dValue := dval.FieldByName(sval.Type().Field(i).Name)
|
|
if sValue.IsZero() || dValue.IsValid() == false || !dValue.CanSet() {
|
|
continue
|
|
}
|
|
if sValue.Kind() != dValue.Kind() {
|
|
continue
|
|
}
|
|
|
|
switch sValue.Type().Kind() {
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
dValue.SetInt(sValue.Int())
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
|
|
dValue.SetUint(sValue.Uint())
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
dValue.SetFloat(sValue.Float())
|
|
|
|
case reflect.String:
|
|
dValue.SetString(sValue.String())
|
|
|
|
case reflect.Bool:
|
|
dValue.SetBool(sValue.Bool())
|
|
|
|
case reflect.Ptr:
|
|
CopyStruct(dValue.Interface(), sValue.Interface())
|
|
}
|
|
}
|
|
|
|
}
|