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  1. // Copyright 2005-2024 Google LLC
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the 'License');
  4. // you may not use this 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. //
  15. // See www.openfst.org for extensive documentation on this weighted
  16. // finite-state transducer library.
  17. #ifndef FST_SCRIPT_DECODE_H_
  18. #define FST_SCRIPT_DECODE_H_
  19. #include <tuple>
  20. #include <utility>
  21. #include <fst/encode.h>
  22. #include <fst/mutable-fst.h>
  23. #include <fst/script/encodemapper-class.h>
  24. #include <fst/script/fst-class.h>
  25. namespace fst {
  26. namespace script {
  27. using FstDecodeArgs = std::pair<MutableFstClass *, const EncodeMapperClass &>;
  28. template <class Arc>
  29. void Decode(FstDecodeArgs *args) {
  30. MutableFst<Arc> *fst = std::get<0>(*args)->GetMutableFst<Arc>();
  31. const EncodeMapper<Arc> &mapper = *std::get<1>(*args).GetEncodeMapper<Arc>();
  32. Decode(fst, mapper);
  33. }
  34. void Decode(MutableFstClass *fst, const EncodeMapperClass &encoder);
  35. } // namespace script
  36. } // namespace fst
  37. #endif // FST_SCRIPT_DECODE_H_