| |
| // 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) |
| |
| #include <fst/script/fst-class.h> |
| #include <fst/script/script-impl.h> |
| #include <fst/script/replace.h> |
| |
| namespace fst { |
| namespace script { |
| |
| void Replace(const vector<pair<int64, const FstClass *> > &tuples, |
| MutableFstClass *ofst, const int64 &root, |
| bool epsilon_on_replace) { |
| for (unsigned i = 0; i < tuples.size() - 1; ++i) { |
| if (!ArcTypesMatch(*tuples[i].second, *tuples[i+1].second, "Replace")) { |
| return; |
| } |
| } |
| |
| if (!ArcTypesMatch(*tuples[0].second, *ofst, "Replace")) return; |
| |
| ReplaceArgs args(tuples, ofst, root, epsilon_on_replace); |
| |
| Apply<Operation<ReplaceArgs> >("Replace", ofst->ArcType(), &args); |
| } |
| |
| REGISTER_FST_OPERATION(Replace, StdArc, ReplaceArgs); |
| REGISTER_FST_OPERATION(Replace, LogArc, ReplaceArgs); |
| REGISTER_FST_OPERATION(Replace, Log64Arc, ReplaceArgs); |
| |
| } // namespace script |
| } // namespace fst |