1 // fstarcsort.cc 2 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 // Copyright 2005-2010 Google, Inc. 16 // Author: riley (at) google.com (Michael Riley) 17 // Modified: jpr (at) google.com (Jake Ratkiewicz) to use FstClass 18 // 19 // \file 20 // Sorts arcs of an FST. 21 // 22 23 #include <string> 24 25 #include <fst/compat.h> 26 #include <fst/script/arcsort.h> 27 28 DEFINE_string(sort_type, "ilabel", 29 "Comparison method, one of: \"ilabel\", \"olabel\""); 30 31 int main(int argc, char **argv) { 32 using fst::script::FstClass; 33 using fst::script::MutableFstClass; 34 using fst::script::ArcSort; 35 36 string usage = "Sorts arcs of an FST.\n\n Usage: "; 37 usage += argv[0]; 38 usage += " [in.fst [out.fst]]\n"; 39 40 std::set_new_handler(FailedNewHandler); 41 SET_FLAGS(usage.c_str(), &argc, &argv, true); 42 43 if (argc > 3) { 44 ShowUsage(); 45 return 1; 46 } 47 48 string in_name = (argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : ""; 49 string out_name = argc > 2 ? argv[2] : ""; 50 51 MutableFstClass *fst = MutableFstClass::Read(in_name, true); 52 if (!fst) return 1; 53 54 if (FLAGS_sort_type == "ilabel") { 55 ArcSort(fst, fst::script::ILABEL_COMPARE); 56 } else if (FLAGS_sort_type == "olabel") { 57 ArcSort(fst, fst::script::OLABEL_COMPARE); 58 } else { 59 LOG(ERROR) << argv[0] << ": Unknown sort type \"" 60 << FLAGS_sort_type << "\"\n"; 61 return 1; 62 } 63 64 fst->Write(out_name); 65 66 return 0; 67 } 68
