func (w *MapFieldWriter) setObject(
addr []string,
value interface{},
schema *Schema) error {
// Set the entire object. First decode into a proper structure
var v map[string]interface{}
if err := mapstructure.Decode(value, &v); err != nil {
return fmt.Errorf("%s: %s", strings.Join(addr, "."), err)
}
// Make space for additional elements in the address
addrCopy := make([]string, len(addr), len(addr)+1)
copy(addrCopy, addr)
// Set each element in turn
var err error
for k1, v1 := range v {
if err = w.set(append(addrCopy, k1), v1); err != nil {
break
}
}
if err != nil {
for k1, _ := range v {
w.set(append(addrCopy, k1), nil)
}
}
return err
}
func (w *MapFieldWriter) setPrimitive(
addr []string,
v interface{},
schema *Schema) error {
k := strings.Join(addr, ".")
if v == nil {
delete(w.result, k)
return nil
}
var set string
switch schema.Type {
case TypeBool:
var b bool
if err := mapstructure.Decode(v, &b); err != nil {
return fmt.Errorf("%s: %s", k, err)
}
set = strconv.FormatBool(b)
case TypeString:
if err := mapstructure.Decode(v, &set); err != nil {
return fmt.Errorf("%s: %s", k, err)
}
case TypeInt:
var n int
if err := mapstructure.Decode(v, &n); err != nil {
return fmt.Errorf("%s: %s", k, err)
}
set = strconv.FormatInt(int64(n), 10)
case TypeFloat:
var n float64
if err := mapstructure.Decode(v, &n); err != nil {
return fmt.Errorf("%s: %s", k, err)
}
set = strconv.FormatFloat(float64(n), 'G', -1, 64)
default:
return fmt.Errorf("Unknown type: %#v", schema.Type)
}
w.result[k] = set
return nil
}
func (w *MapFieldWriter) setList(
addr []string,
v interface{},
schema *Schema) error {
k := strings.Join(addr, ".")
setElement := func(idx string, value interface{}) error {
addrCopy := make([]string, len(addr), len(addr)+1)
copy(addrCopy, addr)
return w.set(append(addrCopy, idx), value)
}
var vs []interface{}
if err := mapstructure.Decode(v, &vs); err != nil {
return fmt.Errorf("%s: %s", k, err)
}
// Set the entire list.
var err error
for i, elem := range vs {
is := strconv.FormatInt(int64(i), 10)
err = setElement(is, elem)
if err != nil {
break
}
}
if err != nil {
for i, _ := range vs {
is := strconv.FormatInt(int64(i), 10)
setElement(is, nil)
}
return err
}
w.result[k+".#"] = strconv.FormatInt(int64(len(vs)), 10)
return nil
}