diff options
Diffstat (limited to 'src/bin/fstarcsort.cc')
-rw-r--r-- | src/bin/fstarcsort.cc | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/bin/fstarcsort.cc b/src/bin/fstarcsort.cc new file mode 100644 index 0000000..33e534d --- /dev/null +++ b/src/bin/fstarcsort.cc @@ -0,0 +1,67 @@ +// fstarcsort.cc + +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// Copyright 2005-2010 Google, Inc. +// Author: riley@google.com (Michael Riley) +// Modified: jpr@google.com (Jake Ratkiewicz) to use FstClass +// +// \file +// Sorts arcs of an FST. +// + +#include <string> + +#include <fst/compat.h> +#include <fst/script/arcsort.h> + +DEFINE_string(sort_type, "ilabel", + "Comparison method, one of: \"ilabel\", \"olabel\""); + +int main(int argc, char **argv) { + using fst::script::FstClass; + using fst::script::MutableFstClass; + using fst::script::ArcSort; + + string usage = "Sorts arcs of an FST.\n\n Usage: "; + usage += argv[0]; + usage += " [in.fst [out.fst]]\n"; + + std::set_new_handler(FailedNewHandler); + SetFlags(usage.c_str(), &argc, &argv, true); + + if (argc > 3) { + ShowUsage(); + return 1; + } + + string in_name = (argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : ""; + string out_name = argc > 2 ? argv[2] : ""; + + MutableFstClass *fst = MutableFstClass::Read(in_name, true); + if (!fst) return 1; + + if (FLAGS_sort_type == "ilabel") { + ArcSort(fst, fst::script::ILABEL_COMPARE); + } else if (FLAGS_sort_type == "olabel") { + ArcSort(fst, fst::script::OLABEL_COMPARE); + } else { + LOG(ERROR) << argv[0] << ": Unknown sort type \"" + << FLAGS_sort_type << "\"\n"; + return 1; + } + + fst->Write(out_name); + + return 0; +} |