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      1 // fstsynchronize.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: allauzen (at) google.com (Cyril Allauzen)
     17 // Modified: jpr (at) google.com (Jake Ratkiewicz) to use FstClass
     18 //
     19 // \file
     20 // Synchronizes an FST.
     21 //
     22 
     23 #include <fst/script/synchronize.h>
     24 
     25 int main(int argc, char **argv) {
     26   namespace s = fst::script;
     27   using fst::script::FstClass;
     28   using fst::script::VectorFstClass;
     29 
     30   string usage = "Synchronizes an FST.\n\n  Usage: ";
     31   usage += argv[0];
     32   usage += " [in.fst [out.fst]]\n";
     33 
     34   std::set_new_handler(FailedNewHandler);
     35   SetFlags(usage.c_str(), &argc, &argv, true);
     36   if (argc > 3) {
     37     ShowUsage();
     38     return 1;
     39   }
     40 
     41   string in_name = (argc > 1 && strcmp(argv[1], "-") != 0) ? argv[1] : "";
     42   string out_name = argc > 2 ? argv[2] : "";
     43 
     44   FstClass *ifst = FstClass::Read(in_name);
     45   if (!ifst) return 1;
     46 
     47   VectorFstClass ofst(ifst->ArcType());
     48 
     49   s::Synchronize(*ifst, &ofst);
     50 
     51   ofst.Write(out_name);
     52 
     53   return 0;
     54 }
     55