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#include <fst/script/fst-class.h> 18#include <fst/script/script-impl.h> 19#include <fst/script/replace.h> 20 21namespace fst { 22namespace script { 23 24void Replace(const vector<pair<int64, const FstClass *> > &tuples, 25 MutableFstClass *ofst, const int64 &root, 26 bool epsilon_on_replace) { 27 for (unsigned i = 0; i < tuples.size() - 1; ++i) { 28 if (!ArcTypesMatch(*tuples[i].second, *tuples[i+1].second, "Replace")) { 29 return; 30 } 31 } 32 33 if (!ArcTypesMatch(*tuples[0].second, *ofst, "Replace")) return; 34 35 ReplaceArgs args(tuples, ofst, root, epsilon_on_replace); 36 37 Apply<Operation<ReplaceArgs> >("Replace", ofst->ArcType(), &args); 38} 39 40REGISTER_FST_OPERATION(Replace, StdArc, ReplaceArgs); 41REGISTER_FST_OPERATION(Replace, LogArc, ReplaceArgs); 42REGISTER_FST_OPERATION(Replace, Log64Arc, ReplaceArgs); 43 44} // namespace script 45} // namespace fst 46