openfst-1.2.6/src/script/difference.cc
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00001 00002 /// Licensed under the Apache License, Version 2.0 (the "License"); 00003 /// you may not use this file except in compliance with the License. 00004 /// You may obtain a copy of the License at 00005 /// 00006 /// http://www.apache.org/licenses/LICENSE-2.0 00007 /// 00008 /// Unless required by applicable law or agreed to in writing, software 00009 /// distributed under the License is distributed on an "AS IS" BASIS, 00010 /// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00011 /// See the License for the specific language governing permissions and 00012 /// limitations under the License. 00013 /// 00014 /// Copyright 2005-2010 Google, Inc. 00015 /// Author: jpr@google.com (Jake Ratkiewicz) 00016 00017 #include <fst/script/fst-class.h> 00018 #include <fst/script/script-impl.h> 00019 #include <fst/script/difference.h> 00020 00021 namespace fst { 00022 namespace script { 00023 00024 void Difference(const FstClass &ifst1, const FstClass &ifst2, 00025 MutableFstClass *ofst, ComposeFilter compose_filter) { 00026 if (!ArcTypesMatch(ifst1, ifst2, "Difference") || 00027 !ArcTypesMatch(*ofst, ifst1, "Difference")) return; 00028 00029 DifferenceArgs1 args(ifst1, ifst2, ofst, compose_filter); 00030 Apply<Operation<DifferenceArgs1> >("Difference", ifst1.ArcType(), &args); 00031 } 00032 00033 void Difference(const FstClass &ifst1, const FstClass &ifst2, 00034 MutableFstClass *ofst, const ComposeOptions &copts) { 00035 if (!ArcTypesMatch(ifst1, ifst2, "Difference") || 00036 !ArcTypesMatch(*ofst, ifst1, "Difference")) return; 00037 00038 DifferenceArgs2 args(ifst1, ifst2, ofst, copts); 00039 Apply<Operation<DifferenceArgs2> >("Difference", ifst1.ArcType(), &args); 00040 } 00041 00042 REGISTER_FST_OPERATION(Difference, StdArc, DifferenceArgs1); 00043 REGISTER_FST_OPERATION(Difference, LogArc, DifferenceArgs1); 00044 REGISTER_FST_OPERATION(Difference, StdArc, DifferenceArgs2); 00045 REGISTER_FST_OPERATION(Difference, LogArc, DifferenceArgs2); 00046 00047 } /// namespace script 00048 } /// namespace fst 00049
