1 // farextract.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 new arc dispatch
18 //
19 // \file
20 // Extracts component FSTs from an finite-state archive.
21 //
22
23 #include <fst/extensions/far/main.h>
24 #include <fst/extensions/far/farscript.h>
25
26 DEFINE_string(filename_prefix, "", "Prefix to append to filenames");
27 DEFINE_string(filename_suffix, "", "Suffix to append to filenames");
28 DEFINE_int32(generate_filenames, 0,
29 "Generate N digit numeric filenames (def: use keys)");
30 DEFINE_string(begin_key, "",
31 "First key to extract (def: first key in archive)");
32 DEFINE_string(end_key, "",
33 "Last key to extract (def: last key in archive)");
34
35
main(int argc,char ** argv)36 int main(int argc, char **argv) {
37 namespace s = fst::script;
38
39 string usage = "Extracts FSTs from a finite-state archive.\n\n Usage:";
40 usage += argv[0];
41 usage += " in1.far [in2.far...]\n";
42
43 std::set_new_handler(FailedNewHandler);
44 SetFlags(usage.c_str(), &argc, &argv, true);
45
46 if (argc < 2) {
47 ShowUsage();
48 return 1;
49 }
50
51 vector<string> ifilenames;
52 for (int i = 1; i < argc; ++i)
53 ifilenames.push_back(argv[i]);
54
55 const string &arc_type = fst::LoadArcTypeFromFar(ifilenames[0]);
56
57 s::FarExtract(ifilenames, arc_type, FLAGS_generate_filenames,
58 FLAGS_begin_key, FLAGS_end_key, FLAGS_filename_prefix,
59 FLAGS_filename_suffix);
60
61 return 0;
62 }
63