// See www.openfst.org for extensive documentation on this weighted
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// finite-state transducer library.
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//
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// Prints out various information about an FST such as number of states
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// and arcs and property values (see properties.h).
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#include <cstring>
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#include <memory>
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#include <string>
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#include <fst/flags.h>
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#include <fst/script/info.h>
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DECLARE_string(arc_filter);
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DECLARE_string(info_type);
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DECLARE_bool(pipe);
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DECLARE_bool(test_properties);
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DECLARE_bool(fst_verify);
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int fstinfo_main(int argc, char **argv) {
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namespace s = fst::script;
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using fst::script::FstClass;
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string usage = "Prints out information about an FST.\n\n Usage: ";
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usage += argv[0];
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usage += " [in.fst]\n";
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std::set_new_handler(FailedNewHandler);
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SET_FLAGS(usage.c_str(), &argc, &argv, true);
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if (argc > 2) {
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ShowUsage();
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return 1;
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}
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const string in_name =
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(argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : "";
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std::unique_ptr<FstClass> ifst(FstClass::Read(in_name));
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if (!ifst) return 1;
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s::PrintFstInfo(*ifst, FLAGS_test_properties, FLAGS_arc_filter,
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FLAGS_info_type, FLAGS_fst_verify, FLAGS_pipe);
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return 0;
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}
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