1 // fstdraw.cc
2
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 // Copyright 2005-2010 Google, Inc.
16 // Author: allauzen@google.com (Cyril Allauzen)
17 // Modified: jpr@google.com (Jake Ratkiewicz) to use FstClass
18 //
19 // \file
20 // Draws a binary FSTs in the Graphviz dot text format
21
22 #include <fst/script/draw.h>
23
24 DEFINE_bool(acceptor, false, "Input in acceptor format");
25 DEFINE_string(isymbols, "", "Input label symbol table");
26 DEFINE_string(osymbols, "", "Output label symbol table");
27 DEFINE_string(ssymbols, "", "State label symbol table");
28 DEFINE_bool(numeric, false, "Print numeric labels");
29 DEFINE_int32(precision, 5, "Set precision (number of char/float)");
30 DEFINE_bool(show_weight_one, false,
31 "Print/draw arc weights and final weights equal to Weight::One()");
32 DEFINE_string(title, "", "Set figure title");
33 DEFINE_bool(portrait, false, "Portrait mode (def: landscape)");
34 DEFINE_bool(vertical, false, "Draw bottom-to-top instead of left-to-right");
35 DEFINE_int32(fontsize, 14, "Set fontsize");
36 DEFINE_double(height, 11, "Set height");
37 DEFINE_double(width, 8.5, "Set width");
38 DEFINE_double(nodesep, 0.25,
39 "Set minimum separation between nodes (see dot documentation)");
40 DEFINE_double(ranksep, 0.40,
41 "Set minimum separation between ranks (see dot documentation)");
42 DEFINE_bool(allow_negative_labels, false,
43 "Allow negative labels (not recommended; may cause conflicts)");
44
main(int argc,char ** argv)45 int main(int argc, char **argv) {
46 namespace s = fst::script;
47 using fst::ostream;
48 using fst::SymbolTable;
49
50 string usage = "Prints out binary FSTs in dot text format.\n\n Usage: ";
51 usage += argv[0];
52 usage += " [binary.fst [text.dot]]\n";
53
54 std::set_new_handler(FailedNewHandler);
55 SET_FLAGS(usage.c_str(), &argc, &argv, true);
56 if (argc > 3) {
57 ShowUsage();
58 return 1;
59 }
60
61 string in_name = (argc > 1 && strcmp(argv[1], "-") != 0) ? argv[1] : "";
62
63 s::FstClass *fst = s::FstClass::Read(in_name);
64 if (!fst) return 1;
65
66 ostream *ostrm = &cout;
67 string dest = "stdout";
68 if (argc == 3) {
69 dest = argv[2];
70 ostrm = new fst::ofstream(argv[2]);
71 if (!*ostrm) {
72 LOG(ERROR) << argv[0] << ": Open failed, file = " << argv[2];
73 return 1;
74 }
75 }
76 ostrm->precision(FLAGS_precision);
77
78 const SymbolTable *isyms = 0, *osyms = 0, *ssyms = 0;
79
80 fst::SymbolTableTextOptions opts;
81 opts.allow_negative = FLAGS_allow_negative_labels;
82
83 if (!FLAGS_isymbols.empty() && !FLAGS_numeric) {
84 isyms = SymbolTable::ReadText(FLAGS_isymbols, opts);
85 if (!isyms) exit(1);
86 }
87
88 if (!FLAGS_osymbols.empty() && !FLAGS_numeric) {
89 osyms = SymbolTable::ReadText(FLAGS_osymbols, opts);
90 if (!osyms) exit(1);
91 }
92
93 if (!FLAGS_ssymbols.empty() && !FLAGS_numeric) {
94 ssyms = SymbolTable::ReadText(FLAGS_ssymbols);
95 if (!ssyms) exit(1);
96 }
97
98 if (!isyms && !FLAGS_numeric)
99 isyms = fst->InputSymbols();
100 if (!osyms && !FLAGS_numeric)
101 osyms = fst->OutputSymbols();
102
103 s::DrawFst(*fst, isyms, osyms, ssyms, FLAGS_acceptor,
104 FLAGS_title, FLAGS_width, FLAGS_height,
105 FLAGS_portrait, FLAGS_vertical,
106 FLAGS_ranksep, FLAGS_nodesep,
107 FLAGS_fontsize, FLAGS_precision,
108 FLAGS_show_weight_one, ostrm, dest);
109
110 if (ostrm != &cout)
111 delete ostrm;
112 return 0;
113 }
114