55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package json
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"reflect"
|
|
|
|
our "git.loafle.net/overflow/util-go/reflect"
|
|
)
|
|
|
|
// SetValueWithJSONStringArray set the value of json string array
|
|
// raw([]byte) is ["1", {"a": 1}, [1, 2]]
|
|
// targets([]interface{}) is array of pointer ex) *int, *string, *[], *map, *struct
|
|
func SetValueWithJSONStringArrayBytes(raw []byte, targets []interface{}) error {
|
|
var values []string
|
|
if err := json.Unmarshal(raw, &values); err != nil {
|
|
return err
|
|
}
|
|
|
|
return SetValueWithJSONStringArray(values, targets)
|
|
}
|
|
|
|
func SetValueWithJSONStringArray(values []string, targets []interface{}) error {
|
|
if len(targets) != len(values) {
|
|
return fmt.Errorf("Count of raw[%d] and targets[%d] is not same", len(values), len(targets))
|
|
}
|
|
|
|
for indexI := 0; indexI < len(values); indexI++ {
|
|
target := targets[indexI]
|
|
value := values[indexI]
|
|
|
|
if reflect.Ptr != reflect.TypeOf(target).Kind() {
|
|
return fmt.Errorf("Type of target[%d] must be ptr but is %s, value=%s", indexI, reflect.TypeOf(target).Kind(), value)
|
|
}
|
|
|
|
switch reflect.TypeOf(target).Elem().Kind() {
|
|
case reflect.Array, reflect.Slice, reflect.Map, reflect.Struct:
|
|
if err := json.Unmarshal([]byte(value), &target); nil != err {
|
|
return err
|
|
}
|
|
case reflect.Ptr:
|
|
return fmt.Errorf("Type of target[%d] cannot be double ptr, value=%s", indexI, value)
|
|
default:
|
|
cv, err := our.ConvertToType(value, reflect.TypeOf(target).Elem())
|
|
if nil != err {
|
|
return fmt.Errorf("Type conversion of value[%s] has been failed to %s[%d]", value, reflect.TypeOf(target).Elem().Kind(), indexI)
|
|
}
|
|
|
|
reflect.ValueOf(target).Elem().Set(reflect.ValueOf(cv))
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|