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 <string>
18
19#include <fst/arc.h>
20#include <fst/script/weight-class.h>
21
22namespace fst {
23namespace script {
24
25REGISTER_FST_WEIGHT(StdArc::Weight);
26REGISTER_FST_WEIGHT(LogArc::Weight);
27REGISTER_FST_WEIGHT(Log64Arc::Weight);
28
29WeightClass::WeightClass(const string &weight_type,
30                         const string &weight_str)
31  : element_type_(OTHER) {
32  WeightClassRegister *reg = WeightClassRegister::GetRegister();
33
34  StrToWeightImplBaseT stw = reg->GetEntry(weight_type);
35
36  impl_ = stw(weight_str, "WeightClass", 0);
37};
38
39ostream& operator << (ostream &o, const WeightClass &c) {
40  c.impl_->Print(&o);
41  return o;
42}
43
44}  // namespace script
45}  // namespace fst
46