/usr/include/fst/script/draw.h is in libfst-dev 1.5.3+r3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// finite-state transducer library.
#ifndef FST_SCRIPT_DRAW_H_
#define FST_SCRIPT_DRAW_H_
#include <ostream>
#include <fst/script/arg-packs.h>
#include <fst/script/draw-impl.h>
#include <fst/script/fst-class.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 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;
std::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, std::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, std::ostream *ostrm,
const string &dest);
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_DRAW_H_
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