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fstarcsort-main.cc
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// Copyright 2005-2024 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the 'License');
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an 'AS IS' BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// 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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// Sorts arcs of an FST.
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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/log.h
>
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#include <
fst/script/arcsort.h
>
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#include <
fst/script/fst-class.h
>
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#include <
fst/script/getters.h
>
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DECLARE_string
(sort_type);
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int
fstarcsort_main
(
int
argc,
char
**argv) {
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namespace
s =
fst::script
;
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using
fst::script::MutableFstClass
;
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std::string usage =
"Sorts arcs of an FST.\n\n Usage: "
;
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usage += argv[0];
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usage +=
" [in.fst [out.fst]]\n"
;
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SET_FLAGS
(usage.c_str(), &argc, &argv,
true
);
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if
(argc > 3) {
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ShowUsage
();
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return
1;
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}
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const
std::string in_name =
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(argc > 1 && (strcmp(argv[1],
"-"
) != 0)) ? argv[1] :
""
;
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const
std::string out_name =
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(argc > 2 && (strcmp(argv[2],
"-"
) != 0)) ? argv[2] :
""
;
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std::unique_ptr<MutableFstClass>
fst
(MutableFstClass::Read(in_name,
true
));
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if
(!fst)
return
1;
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s::ArcSortType
sort_type;
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if
(!
s::GetArcSortType
(FST_FLAGS_sort_type, &sort_type)) {
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LOG
(ERROR) << argv[0] <<
": Unknown or unsupported sort type: "
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<< FST_FLAGS_sort_type;
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return
1;
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}
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s::ArcSort
(fst.get(), sort_type);
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return
!fst->Write(out_name);
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}
ShowUsage
void ShowUsage(bool long_usage=true)
Definition:
flags.cc:138
fst-class.h
getters.h
fst::script::GetArcSortType
bool GetArcSortType(std::string_view str, ArcSortType *sort_type)
Definition:
getters.cc:55
fst
Definition:
compact16_acceptor-fst.cc:24
fstarcsort_main
int fstarcsort_main(int argc, char **argv)
Definition:
fstarcsort-main.cc:32
LOG
#define LOG(type)
Definition:
log.h:53
SET_FLAGS
#define SET_FLAGS(usage, argc, argv, rmflags)
Definition:
flags.h:226
arcsort.h
fst::script
Definition:
compressscript.cc:26
fst::ArcSort
void ArcSort(MutableFst< Arc > *fst, Compare comp)
Definition:
arcsort.h:109
fst::script::ArcSortType
ArcSortType
Definition:
arcsort.h:31
DECLARE_string
DECLARE_string(sort_type)
fst::script::MutableFstClass
Definition:
fst-class.h:460
flags.h
log.h
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