1 // See www.openfst.org for extensive documentation on this weighted
2 // finite-state transducer library.
4 // Compresses/decompresses an FST.
8 #include <fst/extensions/compress/compress-script.h>
12 #include <fst/script/fst-class.h>
14 DEFINE_string(arc_type, "standard", "Output arc type");
15 DEFINE_bool(decode, false, "Decode");
16 DEFINE_bool(gzip, false,
17 "Applies gzip compression after LZA compression and "
18 "gzip decompression before LZA decompression "
22 int main(int argc, char **argv) {
23 namespace s = fst::script;
26 using s::VectorFstClass;
28 string usage = "Compresses/decompresses an FST.\n\n Usage: ";
30 usage += " [in.fst [out.fstz]]\n";
31 usage += " --decode [in.fstz [out.fst]]\n";
33 std::set_new_handler(FailedNewHandler);
34 SET_FLAGS(usage.c_str(), &argc, &argv, true);
40 string in_name = (argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : "";
41 string out_name = argc > 2 ? argv[2] : "";
43 if (FLAGS_decode == false) {
44 FstClass *ifst = FstClass::Read(in_name);
46 s::Compress(*ifst, out_name, FLAGS_gzip);
48 VectorFstClass ofst(FLAGS_arc_type);
49 s::Decompress(in_name, &ofst, FLAGS_gzip);