Add sub Viper instance List

Close #566
This commit is contained in:
zufar 2018-09-17 12:25:42 +03:00
parent 15738813a0
commit ca33b081ee

View file

@ -664,6 +664,25 @@ func (v *Viper) Sub(key string) *Viper {
return nil return nil
} }
//Sub list returns new Viper instance List representing a sub tree of this instance.
func SubList(key string) []*Viper { return v.SubList(key) }
func (v *Viper) SubList(key string) []*Viper {
data := v.Get(key)
if data == nil {
return nil
}
var vList []*Viper
if reflect.TypeOf(data).Kind() == reflect.Slice {
for _, item := range data.([]interface{}) {
subv := New()
subv.config = cast.ToStringMap(item)
vList = append(vList, subv)
}
return vList
}
return nil
}
// GetString returns the value associated with the key as a string. // GetString returns the value associated with the key as a string.
func GetString(key string) string { return v.GetString(key) } func GetString(key string) string { return v.GetString(key) }
func (v *Viper) GetString(key string) string { func (v *Viper) GetString(key string) string {