50 lines
941 B
Go
50 lines
941 B
Go
|
package ssob
|
||
|
|
||
|
import (
|
||
|
"encoding/binary"
|
||
|
"errors"
|
||
|
"io"
|
||
|
"reflect"
|
||
|
"sync"
|
||
|
)
|
||
|
|
||
|
type UnsafeEncoder struct {
|
||
|
mutex sync.Mutex
|
||
|
w io.Writer
|
||
|
}
|
||
|
|
||
|
func NewUnsafeEncoder(w io.Writer) *UnsafeEncoder {
|
||
|
enc := new(UnsafeEncoder)
|
||
|
enc.w = w
|
||
|
return enc
|
||
|
}
|
||
|
|
||
|
func (enc *UnsafeEncoder) Encode(e interface{}) (err error) {
|
||
|
return enc.EncodeValue(reflect.ValueOf(e))
|
||
|
}
|
||
|
|
||
|
func (enc *UnsafeEncoder) EncodeValue(value reflect.Value) (err error) {
|
||
|
if value.Kind() == reflect.Invalid {
|
||
|
return errors.New("ssob: Cannot encode nil value")
|
||
|
}
|
||
|
|
||
|
if value.Kind() == reflect.Ptr && value.IsNil() {
|
||
|
return errors.New("ssob: Cannot encode nil of type " + value.Type().String())
|
||
|
}
|
||
|
|
||
|
bb, err := unsafeMarshal(value.Interface())
|
||
|
if err != nil {
|
||
|
return err
|
||
|
}
|
||
|
bl := UnsafeMarshalInt32(int32(len(bb)))
|
||
|
|
||
|
w := make([]byte, 4+len(bb))
|
||
|
copy(w, bl)
|
||
|
copy(w[4:], bb)
|
||
|
|
||
|
enc.mutex.Lock()
|
||
|
defer enc.mutex.Unlock()
|
||
|
|
||
|
return binary.Write(enc.w, binary.BigEndian, w)
|
||
|
}
|