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
26 namespace fst {
27 namespace 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!
33 struct 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
FstDrawerArgsFstDrawerArgs52 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
77 template<class Arc>
DrawFst(FstDrawerArgs * args)78 void 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
90 void 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