compose.cc 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#include <fst/script/fst-class.h>
18#include <fst/script/script-impl.h>
19#include <fst/script/compose.h>
20
21namespace fst {
22namespace script {
23
24
25void Compose(const FstClass &ifst1, const FstClass &ifst2,
26             MutableFstClass *ofst, ComposeFilter compose_filter) {
27  if (!ArcTypesMatch(ifst1, ifst2, "Compose") ||
28      !ArcTypesMatch(*ofst, ifst1, "Compose")) return;
29
30  ComposeArgs1 args(ifst1, ifst2, ofst, compose_filter);
31  Apply<Operation<ComposeArgs1> >("Compose", ifst1.ArcType(), &args);
32}
33
34void Compose(const FstClass &ifst1, const FstClass &ifst2,
35             MutableFstClass *ofst, const ComposeOptions &copts) {
36  if (!ArcTypesMatch(ifst1, ifst2, "Compose") ||
37      !ArcTypesMatch(*ofst, ifst1, "Compose")) return;
38
39  ComposeArgs2 args(ifst1, ifst2, ofst, copts);
40  Apply<Operation<ComposeArgs2> >("Compose", ifst1.ArcType(), &args);
41}
42
43REGISTER_FST_OPERATION(Compose, StdArc, ComposeArgs1);
44REGISTER_FST_OPERATION(Compose, LogArc, ComposeArgs1);
45REGISTER_FST_OPERATION(Compose, Log64Arc, ComposeArgs1);
46REGISTER_FST_OPERATION(Compose, StdArc, ComposeArgs2);
47REGISTER_FST_OPERATION(Compose, LogArc, ComposeArgs2);
48REGISTER_FST_OPERATION(Compose, Log64Arc, ComposeArgs2);
49
50}  // namespace script
51}  // namespace fst
52