1 // pdtinfo.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 // 18 // \file 19 // Prints out various information about a PDT such as number of 20 // states, arcs and parentheses. 21 // 22 23 #include <fst/extensions/pdt/pdtscript.h> 24 #include <fst/util.h> 25 26 DEFINE_string(pdt_parentheses, "", "PDT parenthesis label pairs."); 27 28 int main(int argc, char **argv) { 29 namespace s = fst::script; 30 31 string usage = "Prints out information about a PDT.\n\n Usage: "; 32 usage += argv[0]; 33 usage += " in.pdt\n"; 34 35 36 std::set_new_handler(FailedNewHandler); 37 SetFlags(usage.c_str(), &argc, &argv, true); 38 if (argc > 2) { 39 ShowUsage(); 40 return 1; 41 } 42 43 string in_name = (argc > 1 && (strcmp(argv[1], "-") != 0)) ? argv[1] : ""; 44 45 s::FstClass *ifst = s::FstClass::Read(in_name); 46 if (!ifst) return 1; 47 48 if (FLAGS_pdt_parentheses.empty()) { 49 LOG(ERROR) << argv[0] << ": No PDT parenthesis label pairs provided"; 50 return 1; 51 } 52 53 vector<pair<int64, int64> > parens; 54 fst::ReadLabelPairs(FLAGS_pdt_parentheses, &parens, false); 55 56 s::PrintPdtInfo(*ifst, parens); 57 58 return 0; 59 } 60
