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/intersect.h>
20
21namespace fst {
22namespace script {
23
24void 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
33void 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
42REGISTER_FST_OPERATION(Intersect, StdArc, IntersectArgs1);
43REGISTER_FST_OPERATION(Intersect, LogArc, IntersectArgs1);
44REGISTER_FST_OPERATION(Intersect, Log64Arc, IntersectArgs1);
45REGISTER_FST_OPERATION(Intersect, StdArc, IntersectArgs2);
46REGISTER_FST_OPERATION(Intersect, LogArc, IntersectArgs2);
47REGISTER_FST_OPERATION(Intersect, Log64Arc, IntersectArgs2);
48
49}  // namespace script
50}  // namespace fst
51