fstarcsort-main.cc
1.19 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
//
// Sorts arcs of an FST.
#include <cstring>
#include <memory>
#include <string>
#include <fst/flags.h>
#include <fst/log.h>
#include <fst/script/arcsort.h>
#include <fst/script/getters.h>
DECLARE_string(sort_type);
int fstarcsort_main(int argc, char **argv) {
namespace s = fst::script;
using fst::script::MutableFstClass;
string usage = "Sorts arcs of an FST.\n\n Usage: ";
usage += argv[0];
usage += " [in.fst [out.fst]]\n";
std::set_new_handler(FailedNewHandler);
SET_FLAGS(usage.c_str(), &argc, &argv, true);
if (argc > 3) {
ShowUsage();
return 1;
}
const string in_name =
(argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : "";
const string out_name = argc > 2 ? argv[2] : "";
std::unique_ptr<MutableFstClass> fst(MutableFstClass::Read(in_name, true));
if (!fst) return 1;
s::ArcSortType sort_type;
if (!s::GetArcSortType(FLAGS_sort_type, &sort_type)) {
LOG(ERROR) << argv[0] << ": Unknown or unsupported sort type: "
<< FLAGS_sort_type;
return 1;
}
s::ArcSort(fst.get(), sort_type);
return !fst->Write(out_name);
}