func goToJv(v interface{}) C.jv {
if v == nil {
return C.jv_null()
}
value := reflect.Indirect(reflect.ValueOf(v))
switch value.Type().Kind() {
case reflect.Bool:
if value.Bool() {
return C.jv_true()
} else {
return C.jv_false()
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return C.jv_number(C.double(value.Int()))
// TODO reflect.Uintptr?
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return C.jv_number(C.double(value.Uint()))
case reflect.Float32, reflect.Float64:
return C.jv_number(C.double(value.Float()))
case reflect.String:
return C.jv_string(C.CString(value.String()))
case reflect.Array, reflect.Slice:
n := value.Len()
arr := C.jv_array_sized(C.int(n))
for i := 0; i < n; i++ {
item := goToJv(value.Index(i).Interface())
arr = C.jv_array_set(C.jv_copy(arr), C.int(i), item)
}
return arr
case reflect.Map:
// TODO assert key is string?
object := C.jv_object()
for _, k := range value.MapKeys() {
key := goToJv(k.Interface())
mapValue := goToJv(value.MapIndex(k).Interface())
object = C.jv_object_set(object, key, mapValue)
}
return object
}
msg := fmt.Sprintf("unknown type for: %v", value.Interface())
return C.jv_invalid_with_msg(C.jv_string(C.CString(msg)))
}
// JvNull returns a value representing a JSON null
func JvNull() *Jv {
return &Jv{C.jv_null()}
}