1 // farcreate.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 dispatch
18 //
19 // \file
20 // Creates a finite-state archive from input FSTs.
21 //
22
23 #include <fst/extensions/far/farscript.h>
24 #include <fst/extensions/far/main.h>
25 #include <fst/extensions/far/far.h>
26
27 DEFINE_string(key_prefix, "", "Prefix to append to keys");
28 DEFINE_string(key_suffix, "", "Suffix to append to keys");
29 DEFINE_int32(generate_keys, 0,
30 "Generate N digit numeric keys (def: use file basenames)");
31 DEFINE_string(far_type, "default",
32 "FAR file format type: one of: \"default\", \"stlist\", \"sstable\", \"sttable\"");
33 DEFINE_bool(file_list_input, false,
34 "Each input files contains a list of files to be processed");
35
main(int argc,char ** argv)36 int main(int argc, char **argv) {
37 namespace s = fst::script;
38
39 string usage = "Creates a finite-state archive from input FSTs.\n\n Usage:";
40 usage += argv[0];
41 usage += " in1.fst [in2.fst ...] out.far\n";
42
43 std::set_new_handler(FailedNewHandler);
44 SetFlags(usage.c_str(), &argc, &argv, true);
45
46 if (argc < 3) {
47 ShowUsage();
48 return 1;
49 }
50
51 vector<string> in_fnames;
52 for (int i = 1; i < argc - 1; ++i)
53 in_fnames.push_back(argv[i]);
54
55 string out_fname = argv[argc - 1];
56 string arc_type = fst::LoadArcTypeFromFst(in_fnames[0]);
57 fst::FarType far_type = fst::FarTypeFromString(FLAGS_far_type);
58
59 s::FarCreate(in_fnames, out_fname, arc_type, FLAGS_generate_keys,
60 FLAGS_file_list_input, far_type, FLAGS_key_prefix,
61 FLAGS_key_suffix);
62 }
63