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