1 // farequal.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 //
18 // \file
19 // Tests if two Far files contains the same (key,fst) pairs.
20
21 #include <fst/extensions/far/main.h>
22 #include <fst/extensions/far/farscript.h>
23
24 DEFINE_string(begin_key, "",
25 "First key to extract (def: first key in archive)");
26 DEFINE_string(end_key, "",
27 "Last key to extract (def: last key in archive)");
28 DEFINE_double(delta, fst::kDelta, "Comparison/quantization delta");
29
main(int argc,char ** argv)30 int main(int argc, char **argv) {
31 namespace s = fst::script;
32
33 string usage = "Compares the FSTs in two FST archives for equality.";
34 usage += "\n\n Usage:";
35 usage += argv[0];
36 usage += " in1.far in2.far\n";
37 usage += " Flags: begin_key end_key";
38
39 std::set_new_handler(FailedNewHandler);
40 SET_FLAGS(usage.c_str(), &argc, &argv, true);
41
42 if (argc != 3) {
43 ShowUsage();
44 return 1;
45 }
46
47 string filename1(argv[1]), filename2(argv[2]);
48
49 bool result = s::FarEqual(
50 filename1, filename2, fst::LoadArcTypeFromFar(filename1),
51 FLAGS_delta, FLAGS_begin_key, FLAGS_end_key);
52
53 if (!result)
54 VLOG(1) << "FARs are not equal.";
55
56 return result ? 0 : 2;
57 }
58