1f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 2f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Licensed under the Apache License, Version 2.0 (the "License"); 3f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// you may not use this file except in compliance with the License. 4f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// You may obtain a copy of the License at 5f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 6f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// http://www.apache.org/licenses/LICENSE-2.0 7f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 8f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Unless required by applicable law or agreed to in writing, software 9f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// distributed under the License is distributed on an "AS IS" BASIS, 10f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// See the License for the specific language governing permissions and 12f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// limitations under the License. 13f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// 14f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Copyright 2005-2010 Google, Inc. 15f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson// Author: jpr@google.com (Jake Ratkiewicz) 16f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 17f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson#include <fst/script/fst-class.h> 18f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson#include <fst/script/script-impl.h> 19f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson#include <fst/script/replace.h> 20f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 21f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonnamespace fst { 22f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonnamespace script { 23f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 24f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonvoid Replace(const vector<pair<int64, const FstClass *> > &tuples, 25f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson MutableFstClass *ofst, const int64 &root, 26f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson bool epsilon_on_replace) { 27f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson for (unsigned i = 0; i < tuples.size() - 1; ++i) { 28f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson if (!ArcTypesMatch(*tuples[i].second, *tuples[i+1].second, "Replace")) { 29f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson return; 30f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson } 31f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson } 32f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 33f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson if (!ArcTypesMatch(*tuples[0].second, *ofst, "Replace")) return; 34f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 35f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson ReplaceArgs args(tuples, ofst, root, epsilon_on_replace); 36f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 37f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson Apply<Operation<ReplaceArgs> >("Replace", ofst->ArcType(), &args); 38f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} 39f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 40f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Replace, StdArc, ReplaceArgs); 41f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Replace, LogArc, ReplaceArgs); 42f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Replace, Log64Arc, ReplaceArgs); 43f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 44f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} // namespace script 45f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} // namespace fst 46