1 2// Licensed under the Apache License, Version 2.0 (the "License"); 3// you may not use this file except in compliance with the License. 4// You may obtain a copy of the License at 5// 6// http://www.apache.org/licenses/LICENSE-2.0 7// 8// Unless required by applicable law or agreed to in writing, software 9// distributed under the License is distributed on an "AS IS" BASIS, 10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11// See the License for the specific language governing permissions and 12// limitations under the License. 13// 14// Copyright 2005-2010 Google, Inc. 15// Author: jpr@google.com (Jake Ratkiewicz) 16 17#ifndef FST_SCRIPT_REPLACE_H_ 18#define FST_SCRIPT_REPLACE_H_ 19 20#include <utility> 21using std::pair; using std::make_pair; 22#include <vector> 23using std::vector; 24 25#include <fst/script/arg-packs.h> 26#include <fst/script/fst-class.h> 27#include <fst/replace.h> 28 29namespace fst { 30namespace script { 31 32typedef args::Package<const vector<pair<int64, const FstClass *> > &, 33 MutableFstClass *, const int64, bool> ReplaceArgs; 34 35template<class Arc> 36void Replace(ReplaceArgs *args) { 37 // Now that we know the arc type, we construct a vector of 38 // pair<real label, real fst> that the real Replace will use 39 const vector<pair<int64, const FstClass *> >& untyped_tuples = 40 args->arg1; 41 42 vector<pair<typename Arc::Label, const Fst<Arc> *> > fst_tuples( 43 untyped_tuples.size()); 44 45 for (unsigned i = 0; i < untyped_tuples.size(); ++i) { 46 fst_tuples[i].first = untyped_tuples[i].first; // convert label 47 fst_tuples[i].second = untyped_tuples[i].second->GetFst<Arc>(); 48 } 49 50 MutableFst<Arc> *ofst = args->arg2->GetMutableFst<Arc>(); 51 52 Replace(fst_tuples, ofst, args->arg3, args->arg4); 53} 54 55void Replace(const vector<pair<int64, const FstClass *> > &tuples, 56 MutableFstClass *ofst, const int64 &root, 57 bool epsilon_on_replace = false); 58 59} // namespace script 60} // namespace fst 61 62#endif // FST_SCRIPT_REPLACE_H_ 63