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      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 (at) google.com (Jake Ratkiewicz)
     16 
     17 #include <fst/script/fst-class.h>
     18 #include <fst/script/script-impl.h>
     19 #include <fst/script/intersect.h>
     20 
     21 namespace fst {
     22 namespace script {
     23 
     24 void Intersect(const FstClass &ifst1, const FstClass &ifst2,
     25                MutableFstClass *ofst, ComposeFilter compose_filter) {
     26   if (!ArcTypesMatch(ifst1, ifst2, "Intersect") ||
     27       !ArcTypesMatch(*ofst, ifst1, "Intersect")) return;
     28 
     29   IntersectArgs1 args(ifst1, ifst2, ofst, compose_filter);
     30   Apply<Operation<IntersectArgs1> >("Intersect", ifst1.ArcType(), &args);
     31 }
     32 
     33 void Intersect(const FstClass &ifst1, const FstClass &ifst2,
     34                MutableFstClass *ofst, const ComposeOptions &copts) {
     35   if (!ArcTypesMatch(ifst1, ifst2, "Intersect") ||
     36       !ArcTypesMatch(*ofst, ifst1, "Intersect")) return;
     37 
     38   IntersectArgs2 args(ifst1, ifst2, ofst, copts);
     39   Apply<Operation<IntersectArgs2> >("Intersect", ifst1.ArcType(), &args);
     40 }
     41 
     42 REGISTER_FST_OPERATION(Intersect, StdArc, IntersectArgs1);
     43 REGISTER_FST_OPERATION(Intersect, LogArc, IntersectArgs1);
     44 REGISTER_FST_OPERATION(Intersect, Log64Arc, IntersectArgs1);
     45 REGISTER_FST_OPERATION(Intersect, StdArc, IntersectArgs2);
     46 REGISTER_FST_OPERATION(Intersect, LogArc, IntersectArgs2);
     47 REGISTER_FST_OPERATION(Intersect, Log64Arc, IntersectArgs2);
     48 
     49 }  // namespace script
     50 }  // namespace fst
     51