1 // fstconvert.cc
2
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 // Copyright 2005-2010 Google, Inc.
16 // Author: riley@google.com (Michael Riley)
17 // Modified: jpr@google.com (Jake Ratkiewicz) to use FstClass
18 //
19 // \file
20 // Converts an FST to another type.
21 //
22
23 #include <fst/script/convert.h>
24
25 DEFINE_string(fst_type, "vector", "Output FST type");
26
main(int argc,char ** argv)27 int main(int argc, char **argv) {
28 namespace s = fst::script;
29 using fst::script::FstClass;
30
31 string usage = "Converts an FST to another type.\n\n Usage: ";
32 usage += argv[0];
33 usage += " [in.fst [out.fst]]\n";
34
35 std::set_new_handler(FailedNewHandler);
36 SET_FLAGS(usage.c_str(), &argc, &argv, true);
37 if (argc > 3) {
38 ShowUsage();
39 return 1;
40 }
41
42 string in_name = (argc > 1 && strcmp(argv[1], "-") != 0) ? argv[1] : "";
43 string out_name = argc > 2 ? argv[2] : "";
44
45 FstClass *ifst = FstClass::Read(in_name);
46 if (!ifst) return 1;
47
48 FstClass *ofst = ifst;
49 if (!ofst) return 1;
50
51 if (ofst->FstType() != FLAGS_fst_type) {
52 ofst = s::Convert(*ifst, FLAGS_fst_type);
53 }
54
55 ofst->Write(out_name);
56
57 return 0;
58 }
59