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@google.com (Jake Ratkiewicz)
16
17#ifndef FST_SCRIPT_DRAW_H_
18#define FST_SCRIPT_DRAW_H_
19
20#include <fst/script/arg-packs.h>
21#include <fst/script/fst-class.h>
22#include <fst/script/draw-impl.h>
23#include <iostream>
24#include <fstream>
25
26namespace fst {
27namespace script {
28
29// Note: it is safe to pass these strings as references because
30// this struct is only used to pass them deeper in the call graph.
31// Be sure you understand why this is so before using this struct
32// for anything else!
33struct FstDrawerArgs {
34  const FstClass &fst;
35  const SymbolTable *isyms;
36  const SymbolTable *osyms;
37  const SymbolTable *ssyms;
38  const bool accep;
39  const string& title;
40  const float width;
41  const float height;
42  const bool portrait;
43  const bool vertical;
44  const float ranksep;
45  const float nodesep;
46  const int fontsize;
47  const int precision;
48  const bool show_weight_one;
49  ostream *ostrm;
50  const string &dest;
51
52  FstDrawerArgs(const FstClass &fst,
53                const SymbolTable *isyms,
54                const SymbolTable *osyms,
55                const SymbolTable *ssyms,
56                bool accep,
57                const string &title,
58                float width,
59                float height,
60                bool portrait,
61                bool vertical,
62                float ranksep,
63                float nodesep,
64                int fontsize,
65                int precision,
66                bool show_weight_one,
67                ostream *ostrm,
68                const string &dest) :
69      fst(fst), isyms(isyms), osyms(osyms), ssyms(ssyms), accep(accep),
70      title(title), width(width), height(height), portrait(portrait),
71      vertical(vertical), ranksep(ranksep), nodesep(nodesep),
72      fontsize(fontsize), precision(precision),
73      show_weight_one(show_weight_one), ostrm(ostrm), dest(dest) { }
74};
75
76
77template<class Arc>
78void DrawFst(FstDrawerArgs *args) {
79  const Fst<Arc> &fst = *(args->fst.GetFst<Arc>());
80
81  FstDrawer<Arc> fstdrawer(fst, args->isyms, args->osyms, args->ssyms,
82                           args->accep, args->title, args->width,
83                           args->height, args->portrait,
84                           args->vertical, args->ranksep,
85                           args->nodesep, args->fontsize,
86                           args->precision, args->show_weight_one);
87  fstdrawer.Draw(args->ostrm, args->dest);
88}
89
90void DrawFst(const FstClass &fst,
91             const SymbolTable *isyms,
92             const SymbolTable *osyms,
93             const SymbolTable *ssyms,
94             bool accep,
95             const string &title,
96             float width,
97             float height,
98             bool portrait,
99             bool vertical,
100             float ranksep,
101             float nodesep,
102             int fontsize,
103             int precision,
104             bool show_weight_one,
105             ostream *ostrm,
106             const string &dest);
107
108}  // namespace script
109}  // namespace fst
110
111
112
113#endif  // FST_SCRIPT_DRAW_H_
114