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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright 2005-2010 Google, Inc.
// Author: jpr@google.com (Jake Ratkiewicz)
#ifndef FST_SCRIPT_PRINT_H_
#define FST_SCRIPT_PRINT_H_
#include <fst/script/arg-packs.h>
#include <fst/script/fst-class.h>
#include <fst/script/print-impl.h>
namespace fst {
namespace script {
// Note: it is safe to pass these strings as references because
// this struct is only used to pass them deeper in the call graph.
// Be sure you understand why this is so before using this struct
// for anything else!
struct FstPrinterArgs {
const FstClass &fst;
const SymbolTable *isyms;
const SymbolTable *osyms;
const SymbolTable *ssyms;
const bool accept;
const bool show_weight_one;
ostream *ostrm;
const string &dest;
FstPrinterArgs(const FstClass &fst,
const SymbolTable *isyms,
const SymbolTable *osyms,
const SymbolTable *ssyms,
bool accept,
bool show_weight_one,
ostream *ostrm,
const string &dest) :
fst(fst), isyms(isyms), osyms(osyms), ssyms(ssyms), accept(accept),
show_weight_one(show_weight_one), ostrm(ostrm), dest(dest) { }
};
template<class Arc>
void PrintFst(FstPrinterArgs *args) {
const Fst<Arc> &fst = *(args->fst.GetFst<Arc>());
fst::FstPrinter<Arc> fstprinter(fst, args->isyms, args->osyms,
args->ssyms, args->accept,
args->show_weight_one);
fstprinter.Print(args->ostrm, args->dest);
}
void PrintFst(const FstClass &fst, ostream &ostrm, const string &dest,
const SymbolTable *isyms,
const SymbolTable *osyms,
const SymbolTable *ssyms,
bool accept, bool show_weight_one);
// Below are two printing methods with useful defaults for a few of
// the fst printer arguments.
template <class Arc>
void PrintFst(const Fst<Arc> &fst, ostream &os, const string dest = "",
const SymbolTable *isyms = NULL,
const SymbolTable *osyms = NULL,
const SymbolTable *ssyms = NULL) {
fst::FstPrinter<Arc> fstprinter(fst, isyms, osyms, ssyms, true, true);
fstprinter.Print(&os, dest);
}
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_PRINT_H_
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