utf8.go 1.2 KB

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  1. // Copyright 2015 Garrett D'Amore
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use file except in compliance with the License.
  5. // You may obtain a copy of the license at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. package encoding
  15. import (
  16. "golang.org/x/text/encoding"
  17. )
  18. type validUtf8 struct{}
  19. // UTF8 is an encoding for UTF-8. All it does is verify that the UTF-8
  20. // in is valid. The main reason for its existence is that it will detect
  21. // and report ErrSrcShort or ErrDstShort, whereas the Nop encoding just
  22. // passes every byte, blithely.
  23. var UTF8 encoding.Encoding = validUtf8{}
  24. func (validUtf8) NewDecoder() *encoding.Decoder {
  25. return &encoding.Decoder{Transformer: encoding.UTF8Validator}
  26. }
  27. func (validUtf8) NewEncoder() *encoding.Encoder {
  28. return &encoding.Encoder{Transformer: encoding.UTF8Validator}
  29. }