intersect.h revision f4c12fce1ee58e670f9c3fce46c40296ba9ee8a2 
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#ifndef FST_SCRIPT_INTERSECT_H_
18#define FST_SCRIPT_INTERSECT_H_
19
20#include <fst/script/arg-packs.h>
21#include <fst/script/fst-class.h>
22#include <fst/intersect.h>
23#include <fst/script/compose.h>  // for ComposeOptions, ComposeFilter
24
25namespace fst {
26namespace script {
27
28typedef args::Package<const FstClass&, const FstClass&,
29                      MutableFstClass*, ComposeFilter> IntersectArgs1;
30
31template<class Arc>
32void Intersect(IntersectArgs1 *args) {
33  const Fst<Arc> &ifst1 = *(args->arg1.GetFst<Arc>());
34  const Fst<Arc> &ifst2 = *(args->arg2.GetFst<Arc>());
35  MutableFst<Arc> *ofst = args->arg3->GetMutableFst<Arc>();
36
37  Intersect(ifst1, ifst2, ofst, args->arg4);
38}
39
40typedef args::Package<const FstClass&, const FstClass&,
41                      MutableFstClass*, const ComposeOptions &> IntersectArgs2;
42
43template<class Arc>
44void Intersect(IntersectArgs2 *args) {
45  const Fst<Arc> &ifst1 = *(args->arg1.GetFst<Arc>());
46  const Fst<Arc> &ifst2 = *(args->arg2.GetFst<Arc>());
47  MutableFst<Arc> *ofst = args->arg3->GetMutableFst<Arc>();
48
49  Intersect(ifst1, ifst2, ofst, args->arg4);
50}
51
52void Intersect(const FstClass &ifst1, const FstClass &ifst2,
53               MutableFstClass *ofst,
54               ComposeFilter compose_filter);
55
56void Intersect(const FstClass &ifst, const FstClass &ifst2,
57               MutableFstClass *ofst,
58               const ComposeOptions &opts = fst::script::ComposeOptions());
59
60}  // namespace script
61}  // namespace fst
62
63
64
65#endif  // FST_SCRIPT_INTERSECT_H_
66