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/difference.h> 20f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 21f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonnamespace fst { 22f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonnamespace script { 23f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 24f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonvoid Difference(const FstClass &ifst1, const FstClass &ifst2, 25f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson MutableFstClass *ofst, ComposeFilter compose_filter) { 26f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson if (!ArcTypesMatch(ifst1, ifst2, "Difference") || 27f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson !ArcTypesMatch(*ofst, ifst1, "Difference")) return; 28f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 29f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson DifferenceArgs1 args(ifst1, ifst2, ofst, compose_filter); 30f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson Apply<Operation<DifferenceArgs1> >("Difference", ifst1.ArcType(), &args); 31f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} 32f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 33f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodsonvoid Difference(const FstClass &ifst1, const FstClass &ifst2, 34f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson MutableFstClass *ofst, const ComposeOptions &copts) { 35f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson if (!ArcTypesMatch(ifst1, ifst2, "Difference") || 36f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson !ArcTypesMatch(*ofst, ifst1, "Difference")) return; 37f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 38f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson DifferenceArgs2 args(ifst1, ifst2, ofst, copts); 39f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson Apply<Operation<DifferenceArgs2> >("Difference", ifst1.ArcType(), &args); 40f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} 41f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 42f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Difference, StdArc, DifferenceArgs1); 43f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Difference, LogArc, DifferenceArgs1); 44f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Difference, Log64Arc, DifferenceArgs1); 45f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Difference, StdArc, DifferenceArgs2); 46f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Difference, LogArc, DifferenceArgs2); 47f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian HodsonREGISTER_FST_OPERATION(Difference, Log64Arc, DifferenceArgs2); 48f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson 49f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} // namespace script 50f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2Ian Hodson} // namespace fst 51