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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_DRAW_H_
#define FST_SCRIPT_DRAW_H_
#include <fst/script/arg-packs.h>
#include <fst/script/fst-class.h>
#include <fst/script/draw-impl.h>
#include <iostream>
#include <fstream>
#include <sstream>
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 FstDrawerArgs {
const FstClass &fst;
const SymbolTable *isyms;
const SymbolTable *osyms;
const SymbolTable *ssyms;
const bool accep;
const string& title;
const float width;
const float height;
const bool portrait;
const bool vertical;
const float ranksep;
const float nodesep;
const int fontsize;
const int precision;
const bool show_weight_one;
ostream *ostrm;
const string &dest;
FstDrawerArgs(const FstClass &fst,
const SymbolTable *isyms,
const SymbolTable *osyms,
const SymbolTable *ssyms,
bool accep,
const string &title,
float width,
float height,
bool portrait,
bool vertical,
float ranksep,
float nodesep,
int fontsize,
int precision,
bool show_weight_one,
ostream *ostrm,
const string &dest) :
fst(fst), isyms(isyms), osyms(osyms), ssyms(ssyms), accep(accep),
title(title), width(width), height(height), portrait(portrait),
vertical(vertical), ranksep(ranksep), nodesep(nodesep),
fontsize(fontsize), precision(precision),
show_weight_one(show_weight_one), ostrm(ostrm), dest(dest) { }
};
template<class Arc>
void DrawFst(FstDrawerArgs *args) {
const Fst<Arc> &fst = *(args->fst.GetFst<Arc>());
FstDrawer<Arc> fstdrawer(fst, args->isyms, args->osyms, args->ssyms,
args->accep, args->title, args->width,
args->height, args->portrait,
args->vertical, args->ranksep,
args->nodesep, args->fontsize,
args->precision, args->show_weight_one);
fstdrawer.Draw(args->ostrm, args->dest);
}
void DrawFst(const FstClass &fst,
const SymbolTable *isyms,
const SymbolTable *osyms,
const SymbolTable *ssyms,
bool accep,
const string &title,
float width,
float height,
bool portrait,
bool vertical,
float ranksep,
float nodesep,
int fontsize,
int precision,
bool show_weight_one,
ostream *ostrm,
const string &dest);
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_DRAW_H_
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