add method subSlice to get an array/table/list of config options as slice of "sub-vipers"

This commit is contained in:
cmohrb 2018-08-21 18:23:30 +02:00
parent 32aa319187
commit 8e90aaafac

View file

@ -1782,3 +1782,26 @@ func (v *Viper) Debug() {
fmt.Printf("Config:\n%#v\n", v.config) fmt.Printf("Config:\n%#v\n", v.config)
fmt.Printf("Defaults:\n%#v\n", v.defaults) fmt.Printf("Defaults:\n%#v\n", v.defaults)
} }
func SubSlice(key string) (out []*Viper) { return v.SubSlice(key) }
func (v *Viper) SubSlice(key string) (out []*Viper) {
data := v.Get(key)
if data == nil {
return nil
}
if reflect.TypeOf(data).Kind() != reflect.Slice {
return nil
}
for _, elem := range data.([]interface{}) {
subv := New()
if reflect.TypeOf(elem).Kind() == reflect.Map {
subv.config = cast.ToStringMap(elem)
out = append(out, subv)
}
}
return
}