func (d *decoder) decodeInterface(name string, o *hcl.Object, result reflect.Value) error {
var set reflect.Value
redecode := true
switch o.Type {
case hcl.ValueTypeObject:
// If we're at the root or we're directly within a slice, then we
// decode objects into map[string]interface{}, otherwise we decode
// them into lists.
if len(d.stack) == 0 || d.stack[len(d.stack)-1] == reflect.Slice {
var temp map[string]interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeMap(
reflect.MapOf(
reflect.TypeOf(""),
tempVal.Type().Elem()))
set = result
} else {
var temp []map[string]interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeSlice(
reflect.SliceOf(tempVal.Type().Elem()), 0, int(o.Len()))
set = result
}
case hcl.ValueTypeList:
var temp []interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeSlice(
reflect.SliceOf(tempVal.Type().Elem()), 0, 0)
set = result
case hcl.ValueTypeBool:
var result bool
set = reflect.Indirect(reflect.New(reflect.TypeOf(result)))
case hcl.ValueTypeFloat:
var result float64
set = reflect.Indirect(reflect.New(reflect.TypeOf(result)))
case hcl.ValueTypeInt:
var result int
set = reflect.Indirect(reflect.New(reflect.TypeOf(result)))
case hcl.ValueTypeString:
set = reflect.Indirect(reflect.New(reflect.TypeOf("")))
default:
return fmt.Errorf(
"%s: cannot decode into interface: %T",
name, o)
}
// Set the result to what its supposed to be, then reset
// result so we don't reflect into this method anymore.
result.Set(set)
if redecode {
// Revisit the node so that we can use the newly instantiated
// thing and populate it.
if err := d.decode(name, o, result); err != nil {
return err
}
}
return nil
}