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