1// farinfo.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: allauzen@google.com (Cyril Allauzen)
17// Modified: jpr@google.com (Jake Ratkiewicz) to use new arc dispatching
18//
19// \file
20// Prints some basic information about the FSTs in an FST archive.
21//
22
23#include <fst/extensions/far/main.h>
24#include <fst/extensions/far/farscript.h>
25
26DEFINE_string(begin_key, "",
27              "First key to extract (def: first key in archive)");
28DEFINE_string(end_key, "",
29              "Last key to extract (def: last key in archive)");
30
31DEFINE_bool(list_fsts, false, "Display FST information for each key");
32
33int main(int argc, char **argv) {
34  namespace s = fst::script;
35
36  string usage = "Prints some basic information about the FSTs in an FST ";
37  usage += "archive.\n\n Usage:";
38  usage += argv[0];
39  usage += " [in1.far in2.far...]\n";
40  usage += "  Flags: begin_key end_key list_fsts";
41
42  std::set_new_handler(FailedNewHandler);
43  SET_FLAGS(usage.c_str(), &argc, &argv, true);
44
45  vector<string> filenames;
46  for (int i = 1; i < argc; ++i)
47    filenames.push_back(strcmp(argv[i], "") != 0 ? argv[i] : "");
48  if (filenames.empty())
49    filenames.push_back("");
50
51  s::FarInfo(filenames, fst::LoadArcTypeFromFar(filenames[0]),
52             FLAGS_begin_key, FLAGS_end_key, FLAGS_list_fsts);
53}
54