| |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Copyright 2005-2010 Google, Inc. |
| // Author: jpr@google.com (Jake Ratkiewicz) |
| |
| #ifndef FST_SCRIPT_REPLACE_H_ |
| #define FST_SCRIPT_REPLACE_H_ |
| |
| #include <utility> |
| using std::pair; using std::make_pair; |
| #include <vector> |
| using std::vector; |
| |
| #include <fst/script/arg-packs.h> |
| #include <fst/script/fst-class.h> |
| #include <fst/replace.h> |
| |
| namespace fst { |
| namespace script { |
| |
| typedef args::Package<const vector<pair<int64, const FstClass *> > &, |
| MutableFstClass *, const int64, bool> ReplaceArgs; |
| |
| template<class Arc> |
| void Replace(ReplaceArgs *args) { |
| // Now that we know the arc type, we construct a vector of |
| // pair<real label, real fst> that the real Replace will use |
| const vector<pair<int64, const FstClass *> >& untyped_tuples = |
| args->arg1; |
| |
| vector<pair<typename Arc::Label, const Fst<Arc> *> > fst_tuples( |
| untyped_tuples.size()); |
| |
| for (unsigned i = 0; i < untyped_tuples.size(); ++i) { |
| fst_tuples[i].first = untyped_tuples[i].first; // convert label |
| fst_tuples[i].second = untyped_tuples[i].second->GetFst<Arc>(); |
| } |
| |
| MutableFst<Arc> *ofst = args->arg2->GetMutableFst<Arc>(); |
| |
| Replace(fst_tuples, ofst, args->arg3, args->arg4); |
| } |
| |
| void Replace(const vector<pair<int64, const FstClass *> > &tuples, |
| MutableFstClass *ofst, const int64 &root, |
| bool epsilon_on_replace = false); |
| |
| } // namespace script |
| } // namespace fst |
| |
| #endif // FST_SCRIPT_REPLACE_H_ |