1 // fstunion.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 // Creates the union of two FSTs. 21 // 22 23 #include <string> 24 25 #include <fst/script/union.h> 26 #include <iostream> 27 #include <fstream> 28 #include <sstream> 29 30 int main(int argc, char **argv) { 31 using fst::script::FstClass; 32 using fst::script::MutableFstClass; 33 using fst::script::Union; 34 35 string usage = "Creates the union of two FSTs.\n\n Usage: "; 36 usage += argv[0]; 37 usage += " in1.fst in2.fst [out.fst]\n"; 38 39 std::set_new_handler(FailedNewHandler); 40 SET_FLAGS(usage.c_str(), &argc, &argv, true); 41 if (argc < 3 || argc > 4) { 42 ShowUsage(); 43 return 1; 44 } 45 46 string in1_name = strcmp(argv[1], "-") != 0 ? argv[1] : ""; 47 string in2_name = strcmp(argv[2], "-") != 0 ? argv[2] : ""; 48 string out_name = argc > 3 ? argv[3] : ""; 49 50 if (in1_name == "" && in2_name == "") { 51 LOG(ERROR) << argv[0] 52 << ": Can't use standard i/o for both inputs."; 53 return 1; 54 } 55 56 MutableFstClass *fst1 = MutableFstClass::Read(in1_name, true); 57 if (!fst1) return 1; 58 59 FstClass *fst2 = FstClass::Read(in2_name); 60 if (!fst2) { 61 return 1; 62 } 63 64 Union(fst1, *fst2); 65 fst1->Write(out_name); 66 67 return 0; 68 } 69
