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_PRINT_H_ 18 #define FST_SCRIPT_PRINT_H_ 19 20 #include <fst/script/arg-packs.h> 21 #include <fst/script/fst-class.h> 22 #include <fst/script/print-impl.h> 23 24 namespace fst { 25 namespace script { 26 27 // Note: it is safe to pass these strings as references because 28 // this struct is only used to pass them deeper in the call graph. 29 // Be sure you understand why this is so before using this struct 30 // for anything else! 31 struct FstPrinterArgs { 32 const FstClass &fst; 33 const SymbolTable *isyms; 34 const SymbolTable *osyms; 35 const SymbolTable *ssyms; 36 const bool accept; 37 const bool show_weight_one; 38 ostream *ostrm; 39 const string &dest; 40 41 FstPrinterArgs(const FstClass &fst, 42 const SymbolTable *isyms, 43 const SymbolTable *osyms, 44 const SymbolTable *ssyms, 45 bool accept, 46 bool show_weight_one, 47 ostream *ostrm, 48 const string &dest) : 49 fst(fst), isyms(isyms), osyms(osyms), ssyms(ssyms), accept(accept), 50 show_weight_one(show_weight_one), ostrm(ostrm), dest(dest) { } 51 }; 52 53 template<class Arc> 54 void PrintFst(FstPrinterArgs *args) { 55 const Fst<Arc> &fst = *(args->fst.GetFst<Arc>()); 56 57 fst::FstPrinter<Arc> fstprinter(fst, args->isyms, args->osyms, 58 args->ssyms, args->accept, 59 args->show_weight_one); 60 fstprinter.Print(args->ostrm, args->dest); 61 } 62 63 void PrintFst(const FstClass &fst, ostream &ostrm, const string &dest, 64 const SymbolTable *isyms, 65 const SymbolTable *osyms, 66 const SymbolTable *ssyms, 67 bool accept, bool show_weight_one); 68 69 70 // Below are two printing methods with useful defaults for a few of 71 // the fst printer arguments. 72 template <class Arc> 73 void PrintFst(const Fst<Arc> &fst, ostream &os, const string dest = "", 74 const SymbolTable *isyms = NULL, 75 const SymbolTable *osyms = NULL, 76 const SymbolTable *ssyms = NULL) { 77 fst::FstPrinter<Arc> fstprinter(fst, isyms, osyms, ssyms, true, true); 78 fstprinter.Print(&os, dest); 79 } 80 81 } // namespace script 82 } // namespace fst 83 84 85 86 #endif // FST_SCRIPT_PRINT_H_ 87
