1 // fstinfo.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 // Prints out various information about an FST such as number of states
21 // and arcs and property values (see properties.h).
22 //
23
24 #include <fst/script/info.h>
25
26 DEFINE_string(arc_filter, "any", "Arc filter: one of :"
27 " \"any\", \"epsilon\", \"iepsilon\", \"oepsilon\"");
28 DEFINE_string(info_type, "auto",
29 "Info format: one of: \"auto\", \"long\", \"short\"");
30 DEFINE_bool(pipe, false, "Send info to stderr, input to stdout");
31 DEFINE_bool(test_properties, true,
32 "Compute property values (if unknown to FST)");
33 DEFINE_bool(fst_verify, true, "Verify FST sanity");
34
main(int argc,char ** argv)35 int main(int argc, char **argv) {
36 namespace s = fst::script;
37 using fst::script::FstClass;
38
39 string usage = "Prints out information about an FST.\n\n Usage: ";
40 usage += argv[0];
41 usage += " [in.fst]\n";
42
43 std::set_new_handler(FailedNewHandler);
44 SetFlags(usage.c_str(), &argc, &argv, true);
45 if (argc > 2) {
46 ShowUsage();
47 return 1;
48 }
49
50 string in_name = (argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : "";
51
52 FstClass *ifst = FstClass::Read(in_name);
53 if (!ifst) return 1;
54
55 s::PrintFstInfo(*ifst, FLAGS_test_properties, FLAGS_arc_filter,
56 FLAGS_info_type, FLAGS_fst_verify, FLAGS_pipe);
57
58 return 0;
59 }
60