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      1 
      2 // Licensed under the Apache License, Version 2.0 (the "License");
      3 // you may not use this file except in compliance with the License.
      4 // You may obtain a copy of the License at
      5 //
      6 //     http://www.apache.org/licenses/LICENSE-2.0
      7 //
      8 // Unless required by applicable law or agreed to in writing, software
      9 // distributed under the License is distributed on an "AS IS" BASIS,
     10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     11 // See the License for the specific language governing permissions and
     12 // limitations under the License.
     13 //
     14 // Copyright 2005-2010 Google, Inc.
     15 // Author: jpr (at) google.com (Jake Ratkiewicz)
     16 
     17 #ifndef FST_SCRIPT_CONVERT_H_
     18 #define FST_SCRIPT_CONVERT_H_
     19 
     20 #include <string>
     21 
     22 #include <fst/script/arg-packs.h>
     23 #include <fst/script/fst-class.h>
     24 
     25 namespace fst {
     26 namespace script {
     27 
     28 typedef args::Package<const FstClass&, const string&> ConvertInnerArgs;
     29 typedef args::WithReturnValue<FstClass*, ConvertInnerArgs> ConvertArgs;
     30 
     31 template<class Arc>
     32 void Convert(ConvertArgs *args) {
     33   const Fst<Arc> &fst = *(args->args.arg1.GetFst<Arc>());
     34   const string &new_type = args->args.arg2;
     35 
     36   Fst<Arc> *result = Convert(fst, new_type);
     37   args->retval = new FstClass(*result);
     38   delete result;
     39 }
     40 
     41 #ifdef SWIG
     42 %newobject Convert;
     43 #endif
     44 FstClass *Convert(const FstClass& f, const string &new_type);
     45 
     46 }  // namespace script
     47 }  // namespace fst
     48 
     49 #endif  // FST_SCRIPT_CONVERT_H_
     50