41 std::string usage =
"Reverse a PDT.\n\n Usage: ";
43 usage +=
" in.pdt [out.fst]\n";
45 SET_FLAGS(usage.c_str(), &argc, &argv,
true);
51 const std::string in_name =
52 (argc > 1 && (strcmp(argv[1],
"-") != 0)) ? argv[1] :
"";
53 const std::string out_name =
54 (argc > 2 && (strcmp(argv[2],
"-") != 0)) ? argv[2] :
"";
56 std::unique_ptr<FstClass> ifst(FstClass::Read(in_name));
59 if (FST_FLAGS_pdt_parentheses.empty()) {
60 LOG(ERROR) << argv[0] <<
": No PDT parenthesis label pairs provided";
64 std::vector<std::pair<int64_t, int64_t>> parens;
67 VectorFstClass ofst(ifst->ArcType());
71 return !ofst.Write(out_name);
void ShowUsage(bool long_usage=true)
void Reverse(const FstClass &ifst, const std::vector< std::pair< int64_t, int64_t >> &parens, std::vector< int64_t > *assignments, MutableFstClass *ofst)
DECLARE_string(pdt_parentheses)
#define SET_FLAGS(usage, argc, argv, rmflags)
int pdtreverse_main(int argc, char **argv)
bool ReadLabelPairs(std::string_view source, std::vector< std::pair< Label, Label >> *pairs)