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  1. package binary
  2. import "io"
  3. import "bytes"
  4. type ByteSlice []byte
  5. func (self ByteSlice) Equals(other Binary) bool {
  6. if o, ok := other.(ByteSlice); ok {
  7. return bytes.Equal(self, o)
  8. } else {
  9. return false
  10. }
  11. }
  12. func (self ByteSlice) Less(other Binary) bool {
  13. if o, ok := other.(ByteSlice); ok {
  14. return bytes.Compare(self, o) < 0 // -1 if a < b
  15. } else {
  16. panic("Cannot compare unequal types")
  17. }
  18. }
  19. func (self ByteSlice) ByteSize() int {
  20. return len(self) + 4
  21. }
  22. func (self ByteSlice) WriteTo(w io.Writer) (n int64, err error) {
  23. var n_ int
  24. _, err = UInt32(len(self)).WriteTo(w)
  25. if err != nil {
  26. return n, err
  27. }
  28. n_, err = w.Write([]byte(self))
  29. return int64(n_ + 4), err
  30. }
  31. func ReadByteSliceSafe(r io.Reader) (ByteSlice, error) {
  32. length, err := ReadUInt32Safe(r)
  33. if err != nil {
  34. return nil, err
  35. }
  36. bytes := make([]byte, int(length))
  37. _, err = io.ReadFull(r, bytes)
  38. if err != nil {
  39. return nil, err
  40. }
  41. return bytes, nil
  42. }
  43. func ReadByteSlice(r io.Reader) ByteSlice {
  44. bytes, err := ReadByteSliceSafe(r)
  45. if r != nil {
  46. panic(err)
  47. }
  48. return bytes
  49. }